Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

99 files changed, 47247 insertions, 0 deletions

diff --git a/svl/source/config/asiancfg.cxx b/svl/source/config/asiancfg.cxx
new file mode 100644
index 0000000000..a8f4e08e51
--- /dev/null
+++ b/svl/source/config/asiancfg.cxx
@@ -0,0 +1,172 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/container/ElementExistException.hpp>
+#include <com/sun/star/container/NoSuchElementException.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/lang/Locale.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <comphelper/configuration.hxx>
+#include <comphelper/processfactory.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/log.hxx>
+#include <sal/types.h>
+#include <i18nlangtag/languagetag.hxx>
+#include <svl/asiancfg.hxx>
+
+namespace {
+
+OUString toString(css::lang::Locale const & locale) {
+    SAL_WARN_IF( locale.Language.indexOf('-') != -1, "svl",
+            "Locale language \"" << locale.Language << "\" contains \"-\"");
+    SAL_WARN_IF( locale.Country.indexOf('-') != -1, "svl",
+            "Locale country \"" << locale.Country << "\" contains \"-\"");
+    return LanguageTag::convertToBcp47( locale, false);
+}
+
+}
+
+struct SvxAsianConfig::Impl {
+    Impl():
+        batch(comphelper::ConfigurationChanges::create())
+    {}
+
+    Impl(const Impl&) = delete;
+    Impl& operator=(const Impl&) = delete;
+
+    std::shared_ptr< comphelper::ConfigurationChanges > batch;
+};
+
+SvxAsianConfig::SvxAsianConfig(): impl_(new Impl) {}
+
+SvxAsianConfig::~SvxAsianConfig() {}
+
+void SvxAsianConfig::Commit() {
+    impl_->batch->commit();
+}
+
+bool SvxAsianConfig::IsKerningWesternTextOnly() const {
+    return
+        officecfg::Office::Common::AsianLayout::IsKerningWesternTextOnly::get();
+}
+
+void SvxAsianConfig::SetKerningWesternTextOnly(bool value) {
+    officecfg::Office::Common::AsianLayout::IsKerningWesternTextOnly::set(
+        value, impl_->batch);
+}
+
+CharCompressType SvxAsianConfig::GetCharDistanceCompression() const {
+    return static_cast<CharCompressType>(officecfg::Office::Common::AsianLayout::CompressCharacterDistance::get());
+}
+
+void SvxAsianConfig::SetCharDistanceCompression(CharCompressType value) {
+    officecfg::Office::Common::AsianLayout::CompressCharacterDistance::set(
+        static_cast<sal_uInt16>(value), impl_->batch);
+}
+
+css::uno::Sequence< css::lang::Locale > SvxAsianConfig::GetStartEndCharLocales()
+    const
+{
+    const css::uno::Sequence< OUString > ns(
+        officecfg::Office::Common::AsianLayout::StartEndCharacters::get()->
+        getElementNames());
+    css::uno::Sequence< css::lang::Locale > ls(ns.getLength());
+    std::transform(ns.begin(), ns.end(), ls.getArray(),
+        [](const OUString& rName) -> css::lang::Locale {
+            return LanguageTag::convertToLocale( rName, false); });
+    return ls;
+}
+
+bool SvxAsianConfig::GetStartEndChars(
+    css::lang::Locale const & locale, OUString & startChars,
+    OUString & endChars) const
+{
+    css::uno::Reference< css::container::XNameAccess > set(
+        officecfg::Office::Common::AsianLayout::StartEndCharacters::get());
+    css::uno::Any v;
+    try {
+        v = set->getByName(toString(locale));
+    } catch (css::container::NoSuchElementException &) {
+        return false;
+    }
+    css::uno::Reference< css::beans::XPropertySet > el(
+        v.get< css::uno::Reference< css::beans::XPropertySet > >(),
+        css::uno::UNO_SET_THROW);
+    startChars = el->getPropertyValue("StartCharacters").get< OUString >();
+    endChars = el->getPropertyValue("EndCharacters").get< OUString >();
+    return true;
+}
+
+void SvxAsianConfig::SetStartEndChars(
+    css::lang::Locale const & locale, OUString const * startChars,
+    OUString const * endChars)
+{
+    assert((startChars == nullptr) == (endChars == nullptr));
+    css::uno::Reference< css::container::XNameContainer > set(
+        officecfg::Office::Common::AsianLayout::StartEndCharacters::get(
+            impl_->batch));
+    OUString name(toString(locale));
+    if (startChars == nullptr) {
+        try {
+            set->removeByName(name);
+        } catch (css::container::NoSuchElementException &) {}
+    } else {
+        bool found;
+        css::uno::Any v;
+        try {
+            v = set->getByName(name);
+            found = true;
+        } catch (css::container::NoSuchElementException &) {
+            found = false;
+        }
+        if (found) {
+            css::uno::Reference< css::beans::XPropertySet > el(
+                v.get< css::uno::Reference< css::beans::XPropertySet > >(),
+                css::uno::UNO_SET_THROW);
+            el->setPropertyValue("StartCharacters", css::uno::Any(*startChars));
+            el->setPropertyValue("EndCharacters", css::uno::Any(*endChars));
+        } else {
+            css::uno::Reference< css::beans::XPropertySet > el(
+                (css::uno::Reference< css::lang::XSingleServiceFactory >(
+                    set, css::uno::UNO_QUERY_THROW)->
+                 createInstance()),
+                css::uno::UNO_QUERY_THROW);
+            el->setPropertyValue("StartCharacters", css::uno::Any(*startChars));
+            el->setPropertyValue("EndCharacters", css::uno::Any(*endChars));
+            css::uno::Any v2(el);
+            try {
+                set->insertByName(name, v2);
+            } catch (css::container::ElementExistException &) {
+                SAL_INFO("svl", "Concurrent update race for \"" << name << '"');
+            }
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/config/cjkoptions.cxx b/svl/source/config/cjkoptions.cxx
new file mode 100644
index 0000000000..e43d379f7e
--- /dev/null
+++ b/svl/source/config/cjkoptions.cxx
@@ -0,0 +1,170 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/cjkoptions.hxx>
+
+#include <svl/languageoptions.hxx>
+#include <i18nlangtag/lang.h>
+#include <i18nlangtag/languagetag.hxx>
+#include <officecfg/System.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <mutex>
+
+using namespace ::com::sun::star::uno;
+
+static void SvtCJKOptions_Load();
+
+namespace SvtCJKOptions
+{
+
+bool IsCJKFontEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::CJKFont::get();
+}
+
+bool IsVerticalTextEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::VerticalText::get();
+}
+
+bool IsAsianTypographyEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::AsianTypography::get();
+}
+
+bool IsJapaneseFindEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::JapaneseFind::get();
+}
+
+bool IsRubyEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::Ruby::get();
+}
+
+bool IsChangeCaseMapEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::ChangeCaseMap::get();
+}
+
+bool IsDoubleLinesEnabled()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::DoubleLines::get();
+}
+
+void        SetAll(bool bSet)
+{
+    SvtCJKOptions_Load();
+    if ( officecfg::Office::Common::I18N::CJK::CJKFont::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::VerticalText::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::AsianTypography::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::JapaneseFind::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::Ruby::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::ChangeCaseMap::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::DoubleLines::isReadOnly() )
+        return;
+
+    std::shared_ptr<comphelper::ConfigurationChanges> xChanges(comphelper::ConfigurationChanges::create());
+    officecfg::Office::Common::I18N::CJK::CJKFont::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::VerticalText::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::AsianTypography::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::JapaneseFind::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::Ruby::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::ChangeCaseMap::set(bSet, xChanges);
+    officecfg::Office::Common::I18N::CJK::DoubleLines::set(bSet, xChanges);
+    xChanges->commit();
+}
+
+bool    IsAnyEnabled()
+{
+    SvtCJKOptions_Load();
+    return  IsCJKFontEnabled() || IsVerticalTextEnabled() || IsAsianTypographyEnabled() || IsJapaneseFindEnabled() ||
+                IsRubyEnabled() || IsChangeCaseMapEnabled() || IsDoubleLinesEnabled() ;
+}
+
+bool    IsAnyReadOnly()
+{
+    SvtCJKOptions_Load();
+    return officecfg::Office::Common::I18N::CJK::CJKFont::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::VerticalText::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::AsianTypography::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::JapaneseFind::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::Ruby::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::ChangeCaseMap::isReadOnly()
+        || officecfg::Office::Common::I18N::CJK::DoubleLines::isReadOnly();
+}
+
+} // namespace SvtCJKOptions
+
+
+static std::once_flag gLoadFlag;
+
+static void SvtCJKOptions_Load()
+{
+    std::call_once(gLoadFlag,
+        []()
+        {
+            if (officecfg::Office::Common::I18N::CJK::CJKFont::get())
+                return;
+
+            SvtScriptType nScriptType = SvtLanguageOptions::GetScriptTypeOfLanguage(LANGUAGE_SYSTEM);
+            //system locale is CJK
+            bool bAutoEnableCJK = bool(nScriptType & SvtScriptType::ASIAN);
+
+            if (!bAutoEnableCJK)
+            {
+                //windows secondary system locale is CJK
+                OUString sWin16SystemLocale = officecfg::System::L10N::SystemLocale::get();
+                LanguageType eSystemLanguage = LANGUAGE_NONE;
+                if( !sWin16SystemLocale.isEmpty() )
+                    eSystemLanguage = LanguageTag::convertToLanguageTypeWithFallback( sWin16SystemLocale );
+                if (eSystemLanguage != LANGUAGE_SYSTEM)
+                {
+                    SvtScriptType nWinScript = SvtLanguageOptions::GetScriptTypeOfLanguage( eSystemLanguage );
+                    bAutoEnableCJK = bool(nWinScript & SvtScriptType::ASIAN);
+                }
+
+                //CJK keyboard is installed
+                if (!bAutoEnableCJK)
+                    bAutoEnableCJK = SvtSystemLanguageOptions::isCJKKeyboardLayoutInstalled();
+            }
+
+            if (bAutoEnableCJK)
+            {
+                std::shared_ptr<comphelper::ConfigurationChanges> xChanges(comphelper::ConfigurationChanges::create());
+                officecfg::Office::Common::I18N::CJK::CJKFont::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::VerticalText::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::AsianTypography::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::JapaneseFind::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::Ruby::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::ChangeCaseMap::set(true, xChanges);
+                officecfg::Office::Common::I18N::CJK::DoubleLines::set(true, xChanges);
+                xChanges->commit();
+            }
+        });
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/config/ctloptions.cxx b/svl/source/config/ctloptions.cxx
new file mode 100644
index 0000000000..07c9c67fd6
--- /dev/null
+++ b/svl/source/config/ctloptions.cxx
@@ -0,0 +1,446 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/ctloptions.hxx>
+
+#include <unotools/configitem.hxx>
+#include <unotools/configmgr.hxx>
+#include <com/sun/star/uno/Any.h>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <osl/mutex.hxx>
+#include "itemholder2.hxx"
+#include <officecfg/Office/Common.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+#define CFG_READONLY_DEFAULT false
+
+class SvtCTLOptions_Impl : public utl::ConfigItem
+{
+private:
+    bool                        m_bIsLoaded;
+    bool                        m_bCTLFontEnabled;
+    bool                        m_bCTLSequenceChecking;
+    bool                        m_bCTLRestricted;
+    bool                        m_bCTLTypeAndReplace;
+    SvtCTLOptions::CursorMovement   m_eCTLCursorMovement;
+    SvtCTLOptions::TextNumerals     m_eCTLTextNumerals;
+
+    bool                        m_bROCTLFontEnabled;
+    bool                        m_bROCTLSequenceChecking;
+    bool                        m_bROCTLRestricted;
+    bool                        m_bROCTLTypeAndReplace;
+    bool                        m_bROCTLCursorMovement;
+    bool                        m_bROCTLTextNumerals;
+
+    virtual void    ImplCommit() override;
+
+public:
+    SvtCTLOptions_Impl();
+    virtual ~SvtCTLOptions_Impl() override;
+
+    virtual void    Notify( const Sequence< OUString >& _aPropertyNames ) override;
+    void            Load();
+
+    bool            IsLoaded() const { return m_bIsLoaded; }
+    void            SetCTLFontEnabled( bool _bEnabled );
+
+    void            SetCTLSequenceChecking( bool _bEnabled );
+
+    void            SetCTLSequenceCheckingRestricted( bool _bEnable );
+
+    void            SetCTLSequenceCheckingTypeAndReplace( bool _bEnable );
+
+    void            SetCTLCursorMovement( SvtCTLOptions::CursorMovement _eMovement );
+
+    void            SetCTLTextNumerals( SvtCTLOptions::TextNumerals _eNumerals );
+
+    bool            IsReadOnly(SvtCTLOptions::EOption eOption) const;
+};
+namespace
+{
+    Sequence<OUString> & PropertyNames()
+    {
+        static Sequence<OUString> SINGLETON;
+        return SINGLETON;
+    }
+}
+bool SvtCTLOptions_Impl::IsReadOnly(SvtCTLOptions::EOption eOption) const
+{
+    bool bReadOnly = CFG_READONLY_DEFAULT;
+    switch(eOption)
+    {
+        case SvtCTLOptions::E_CTLFONT             : bReadOnly = m_bROCTLFontEnabled       ; break;
+        case SvtCTLOptions::E_CTLSEQUENCECHECKING : bReadOnly = m_bROCTLSequenceChecking  ; break;
+        case SvtCTLOptions::E_CTLCURSORMOVEMENT   : bReadOnly = m_bROCTLCursorMovement    ; break;
+        case SvtCTLOptions::E_CTLTEXTNUMERALS     : bReadOnly = m_bROCTLTextNumerals      ; break;
+        case SvtCTLOptions::E_CTLSEQUENCECHECKINGRESTRICTED: bReadOnly = m_bROCTLRestricted  ; break;
+        case SvtCTLOptions::E_CTLSEQUENCECHECKINGTYPEANDREPLACE: bReadOnly = m_bROCTLTypeAndReplace; break;
+        default: assert(false);
+    }
+    return bReadOnly;
+}
+SvtCTLOptions_Impl::SvtCTLOptions_Impl() :
+
+    utl::ConfigItem("Office.Common/I18N/CTL"),
+
+    m_bIsLoaded             ( false ),
+    m_bCTLFontEnabled       ( true ),
+    m_bCTLSequenceChecking  ( false ),
+    m_bCTLRestricted        ( false ),
+    m_bCTLTypeAndReplace    ( false ),
+    m_eCTLCursorMovement    ( SvtCTLOptions::MOVEMENT_LOGICAL ),
+    m_eCTLTextNumerals      ( SvtCTLOptions::NUMERALS_ARABIC ),
+
+    m_bROCTLFontEnabled     ( CFG_READONLY_DEFAULT ),
+    m_bROCTLSequenceChecking( CFG_READONLY_DEFAULT ),
+    m_bROCTLRestricted      ( CFG_READONLY_DEFAULT ),
+    m_bROCTLTypeAndReplace  ( CFG_READONLY_DEFAULT ),
+    m_bROCTLCursorMovement  ( CFG_READONLY_DEFAULT ),
+    m_bROCTLTextNumerals    ( CFG_READONLY_DEFAULT )
+{
+}
+SvtCTLOptions_Impl::~SvtCTLOptions_Impl()
+{
+    assert(!IsModified()); // should have been committed
+}
+
+void SvtCTLOptions_Impl::Notify( const Sequence< OUString >& )
+{
+    Load();
+    NotifyListeners(ConfigurationHints::CtlSettingsChanged);
+}
+
+void SvtCTLOptions_Impl::ImplCommit()
+{
+    Sequence< OUString > &rPropertyNames = PropertyNames();
+    OUString* pOrgNames = rPropertyNames.getArray();
+    sal_Int32 nOrgCount = rPropertyNames.getLength();
+
+    Sequence< OUString > aNames( nOrgCount );
+    Sequence< Any > aValues( nOrgCount );
+
+    OUString* pNames = aNames.getArray();
+    Any* pValues = aValues.getArray();
+    sal_Int32 nRealCount = 0;
+
+    for ( int nProp = 0; nProp < nOrgCount; nProp++ )
+    {
+        switch ( nProp )
+        {
+            case  0:
+            {
+                if (!m_bROCTLFontEnabled)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= m_bCTLFontEnabled;
+                    ++nRealCount;
+                }
+            }
+            break;
+
+            case  1:
+            {
+                if (!m_bROCTLSequenceChecking)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= m_bCTLSequenceChecking;
+                    ++nRealCount;
+                }
+            }
+            break;
+
+            case  2:
+            {
+                if (!m_bROCTLCursorMovement)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= static_cast<sal_Int32>(m_eCTLCursorMovement);
+                    ++nRealCount;
+                }
+            }
+            break;
+
+            case  3:
+            {
+                if (!m_bROCTLTextNumerals)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= static_cast<sal_Int32>(m_eCTLTextNumerals);
+                    ++nRealCount;
+                }
+            }
+            break;
+
+            case  4:
+            {
+                if (!m_bROCTLRestricted)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= m_bCTLRestricted;
+                    ++nRealCount;
+                }
+            }
+            break;
+            case 5:
+            {
+                if(!m_bROCTLTypeAndReplace)
+                {
+                    pNames[nRealCount] = pOrgNames[nProp];
+                    pValues[nRealCount] <<= m_bCTLTypeAndReplace;
+                    ++nRealCount;
+                }
+            }
+            break;
+        }
+    }
+    aNames.realloc(nRealCount);
+    aValues.realloc(nRealCount);
+    PutProperties( aNames, aValues );
+    //broadcast changes
+    NotifyListeners(ConfigurationHints::CtlSettingsChanged);
+}
+
+void SvtCTLOptions_Impl::Load()
+{
+    Sequence< OUString >& rPropertyNames = PropertyNames();
+    if ( !rPropertyNames.hasElements() )
+    {
+        rPropertyNames = {
+            "CTLFont",
+            "CTLSequenceChecking",
+            "CTLCursorMovement",
+            "CTLTextNumerals",
+            "CTLSequenceCheckingRestricted",
+            "CTLSequenceCheckingTypeAndReplace" };
+        EnableNotification( rPropertyNames );
+    }
+    Sequence< Any > aValues = GetProperties( rPropertyNames );
+    Sequence< sal_Bool > aROStates = GetReadOnlyStates( rPropertyNames );
+    const Any* pValues = aValues.getConstArray();
+    const sal_Bool* pROStates = aROStates.getConstArray();
+    assert(aValues.getLength() == rPropertyNames.getLength() && "GetProperties failed");
+    assert(aROStates.getLength() == rPropertyNames.getLength() && "GetReadOnlyStates failed");
+    if ( aValues.getLength() == rPropertyNames.getLength() && aROStates.getLength() == rPropertyNames.getLength() )
+    {
+        bool bValue = false;
+        sal_Int32 nValue = 0;
+
+        for ( int nProp = 0; nProp < rPropertyNames.getLength(); nProp++ )
+        {
+            if ( pValues[nProp].hasValue() )
+            {
+                if ( pValues[nProp] >>= bValue )
+                {
+                    switch ( nProp )
+                    {
+                        case 0: { m_bCTLFontEnabled = bValue; m_bROCTLFontEnabled = pROStates[nProp]; } break;
+                        case 1: { m_bCTLSequenceChecking = bValue; m_bROCTLSequenceChecking = pROStates[nProp]; } break;
+                        case 4: { m_bCTLRestricted = bValue; m_bROCTLRestricted = pROStates[nProp]; } break;
+                        case 5: { m_bCTLTypeAndReplace = bValue; m_bROCTLTypeAndReplace = pROStates[nProp]; } break;
+                    }
+                }
+                else if ( pValues[nProp] >>= nValue )
+                {
+                    switch ( nProp )
+                    {
+                        case 2: { m_eCTLCursorMovement = static_cast<SvtCTLOptions::CursorMovement>(nValue); m_bROCTLCursorMovement = pROStates[nProp]; } break;
+                        case 3: { m_eCTLTextNumerals = static_cast<SvtCTLOptions::TextNumerals>(nValue); m_bROCTLTextNumerals = pROStates[nProp]; } break;
+                    }
+                }
+            }
+        }
+    }
+
+    m_bIsLoaded = true;
+}
+void SvtCTLOptions_Impl::SetCTLFontEnabled( bool _bEnabled )
+{
+    if(!m_bROCTLFontEnabled && m_bCTLFontEnabled != _bEnabled)
+    {
+        m_bCTLFontEnabled = _bEnabled;
+        SetModified();
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+void SvtCTLOptions_Impl::SetCTLSequenceChecking( bool _bEnabled )
+{
+    if(!m_bROCTLSequenceChecking && m_bCTLSequenceChecking != _bEnabled)
+    {
+        SetModified();
+        m_bCTLSequenceChecking = _bEnabled;
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+void SvtCTLOptions_Impl::SetCTLSequenceCheckingRestricted( bool _bEnabled )
+{
+    if(!m_bROCTLRestricted && m_bCTLRestricted != _bEnabled)
+    {
+        SetModified();
+        m_bCTLRestricted = _bEnabled;
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+void  SvtCTLOptions_Impl::SetCTLSequenceCheckingTypeAndReplace( bool _bEnabled )
+{
+    if(!m_bROCTLTypeAndReplace && m_bCTLTypeAndReplace != _bEnabled)
+    {
+        SetModified();
+        m_bCTLTypeAndReplace = _bEnabled;
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+void SvtCTLOptions_Impl::SetCTLCursorMovement( SvtCTLOptions::CursorMovement _eMovement )
+{
+    if (!m_bROCTLCursorMovement && m_eCTLCursorMovement != _eMovement )
+    {
+        SetModified();
+        m_eCTLCursorMovement = _eMovement;
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+void SvtCTLOptions_Impl::SetCTLTextNumerals( SvtCTLOptions::TextNumerals _eNumerals )
+{
+    if (!m_bROCTLTextNumerals && m_eCTLTextNumerals != _eNumerals )
+    {
+        SetModified();
+        m_eCTLTextNumerals = _eNumerals;
+        NotifyListeners(ConfigurationHints::NONE);
+    }
+}
+
+namespace {
+
+    // global
+    std::weak_ptr<SvtCTLOptions_Impl> g_pCTLOptions;
+
+    osl::Mutex& CTLMutex()
+    {
+        static osl::Mutex aMutex;
+        return aMutex;
+    }
+}
+
+SvtCTLOptions::SvtCTLOptions( bool bDontLoad )
+{
+    // Global access, must be guarded (multithreading)
+    ::osl::MutexGuard aGuard( CTLMutex() );
+
+    m_pImpl = g_pCTLOptions.lock();
+    if ( !m_pImpl )
+    {
+        m_pImpl = std::make_shared<SvtCTLOptions_Impl>();
+        g_pCTLOptions = m_pImpl;
+        ItemHolder2::holdConfigItem(EItem::CTLOptions);
+    }
+
+    if( !bDontLoad && !m_pImpl->IsLoaded() )
+        m_pImpl->Load();
+
+    m_pImpl->AddListener(this);
+}
+
+
+SvtCTLOptions::~SvtCTLOptions()
+{
+    // Global access, must be guarded (multithreading)
+    ::osl::MutexGuard aGuard( CTLMutex() );
+
+    m_pImpl->RemoveListener(this);
+    m_pImpl.reset();
+}
+
+void SvtCTLOptions::SetCTLFontEnabled( bool _bEnabled )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLFontEnabled( _bEnabled );
+}
+
+bool SvtCTLOptions::IsCTLFontEnabled()
+{
+    return officecfg::Office::Common::I18N::CTL::CTLFont::get();
+}
+
+void SvtCTLOptions::SetCTLSequenceChecking( bool _bEnabled )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLSequenceChecking(_bEnabled);
+}
+
+bool SvtCTLOptions::IsCTLSequenceChecking()
+{
+    return officecfg::Office::Common::I18N::CTL::CTLSequenceChecking::get();
+}
+
+void SvtCTLOptions::SetCTLSequenceCheckingRestricted( bool _bEnable )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLSequenceCheckingRestricted(_bEnable);
+}
+
+bool SvtCTLOptions::IsCTLSequenceCheckingRestricted()
+{
+    return officecfg::Office::Common::I18N::CTL::CTLSequenceCheckingRestricted::get();
+}
+
+void SvtCTLOptions::SetCTLSequenceCheckingTypeAndReplace( bool _bEnable )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLSequenceCheckingTypeAndReplace(_bEnable);
+}
+
+bool SvtCTLOptions::IsCTLSequenceCheckingTypeAndReplace()
+{
+    return officecfg::Office::Common::I18N::CTL::CTLSequenceCheckingTypeAndReplace::get();
+}
+
+void SvtCTLOptions::SetCTLCursorMovement( SvtCTLOptions::CursorMovement _eMovement )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLCursorMovement( _eMovement );
+}
+
+SvtCTLOptions::CursorMovement SvtCTLOptions::GetCTLCursorMovement()
+{
+    return static_cast<SvtCTLOptions::CursorMovement>(officecfg::Office::Common::I18N::CTL::CTLCursorMovement::get());
+}
+
+void SvtCTLOptions::SetCTLTextNumerals( SvtCTLOptions::TextNumerals _eNumerals )
+{
+    assert(m_pImpl->IsLoaded());
+    m_pImpl->SetCTLTextNumerals( _eNumerals );
+}
+
+SvtCTLOptions::TextNumerals SvtCTLOptions::GetCTLTextNumerals()
+{
+    if (utl::ConfigManager::IsFuzzing())
+        return SvtCTLOptions::NUMERALS_ARABIC;
+    return static_cast<SvtCTLOptions::TextNumerals>(officecfg::Office::Common::I18N::CTL::CTLTextNumerals::get());
+}
+
+bool SvtCTLOptions::IsReadOnly(EOption eOption) const
+{
+    assert(m_pImpl->IsLoaded());
+    return m_pImpl->IsReadOnly(eOption);
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/config/itemholder2.cxx b/svl/source/config/itemholder2.cxx
new file mode 100644
index 0000000000..4dc321cdce
--- /dev/null
+++ b/svl/source/config/itemholder2.cxx
@@ -0,0 +1,117 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "itemholder2.hxx"
+
+#include <osl/diagnose.h>
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/configuration/theDefaultProvider.hpp>
+#include <rtl/ref.hxx>
+#include <svl/ctloptions.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <unotools/options.hxx>
+
+ItemHolder2::ItemHolder2()
+{
+    try
+    {
+        css::uno::Reference< css::uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
+        css::uno::Reference< css::lang::XComponent > xCfg( css::configuration::theDefaultProvider::get(xContext), css::uno::UNO_QUERY_THROW );
+        xCfg->addEventListener(static_cast< css::lang::XEventListener* >(this));
+    }
+    catch(const css::uno::RuntimeException&)
+    {
+        throw;
+    }
+#ifdef DBG_UTIL
+    catch(const css::uno::Exception&)
+    {
+        static bool bMessage = true;
+        if(bMessage)
+        {
+            bMessage = false;
+            TOOLS_WARN_EXCEPTION( "svl", "" );
+        }
+    }
+#else
+    catch(css::uno::Exception&){}
+#endif
+}
+
+ItemHolder2::~ItemHolder2()
+{
+    impl_releaseAllItems();
+}
+
+void ItemHolder2::holdConfigItem(EItem eItem)
+{
+    static rtl::Reference<ItemHolder2> pHolder = new ItemHolder2();
+    pHolder->impl_addItem(eItem);
+}
+
+void SAL_CALL ItemHolder2::disposing(const css::lang::EventObject&)
+{
+    impl_releaseAllItems();
+}
+
+void ItemHolder2::impl_addItem(EItem eItem)
+{
+    std::scoped_lock aLock(m_aLock);
+
+    for ( auto const & rInfo : m_lItems )
+    {
+        if (rInfo.eItem == eItem)
+            return;
+    }
+
+    TItemInfo aNewItem;
+    aNewItem.eItem = eItem;
+    impl_newItem(aNewItem);
+    if (aNewItem.pItem)
+        m_lItems.emplace_back(std::move(aNewItem));
+}
+
+void ItemHolder2::impl_releaseAllItems()
+{
+    std::vector< TItemInfo > items;
+    {
+        std::scoped_lock aLock(m_aLock);
+        items.swap(m_lItems);
+    }
+
+    // items will be freed when the block exits
+}
+
+void ItemHolder2::impl_newItem(TItemInfo& rItem)
+{
+    switch(rItem.eItem)
+    {
+        case EItem::CTLOptions :
+            rItem.pItem.reset( new SvtCTLOptions() );
+            break;
+
+        default:
+            OSL_ASSERT(false);
+            break;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/config/itemholder2.hxx b/svl/source/config/itemholder2.hxx
new file mode 100644
index 0000000000..cdb72581e7
--- /dev/null
+++ b/svl/source/config/itemholder2.hxx
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVTOOLS_ITEMHOLDER2_HXX_
+#define INCLUDED_SVTOOLS_ITEMHOLDER2_HXX_
+
+#include <unotools/itemholderbase.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <mutex>
+
+class ItemHolder2 : public  ::cppu::WeakImplHelper< css::lang::XEventListener >
+{
+    // member
+private:
+
+        std::mutex m_aLock;
+        std::vector<TItemInfo> m_lItems;
+
+    // c++ interface
+    public:
+
+        ItemHolder2();
+        virtual ~ItemHolder2() override;
+        static void holdConfigItem(EItem eItem);
+
+    // uno interface
+    public:
+
+        virtual void SAL_CALL disposing(const css::lang::EventObject& aEvent) override;
+
+    // helper
+    private:
+
+        void impl_addItem(EItem eItem);
+        void impl_releaseAllItems();
+        static void impl_newItem(TItemInfo& rItem);
+};
+
+#endif // INCLUDED_SVTOOLS_ITEMHOLDER2_HXX_
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/config/languageoptions.cxx b/svl/source/config/languageoptions.cxx
new file mode 100644
index 0000000000..6391175c85
--- /dev/null
+++ b/svl/source/config/languageoptions.cxx
@@ -0,0 +1,137 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/languageoptions.hxx>
+#include <i18nlangtag/mslangid.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <com/sun/star/i18n/ScriptType.hpp>
+#include <unotools/syslocale.hxx>
+
+#ifdef _WIN32
+#if !defined WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#endif
+
+using namespace ::com::sun::star;
+
+
+namespace SvtLanguageOptions
+{
+
+// returns for a language the scripttype
+SvtScriptType GetScriptTypeOfLanguage( LanguageType nLang )
+{
+    if( LANGUAGE_DONTKNOW == nLang )
+        nLang = LANGUAGE_ENGLISH_US;
+    else if (LANGUAGE_SYSTEM == nLang || LANGUAGE_PROCESS_OR_USER_DEFAULT == nLang)
+        nLang = SvtSysLocale().GetLanguageTag().getLanguageType();
+
+    sal_Int16 nScriptType = MsLangId::getScriptType( nLang );
+    SvtScriptType nScript;
+    switch (nScriptType)
+    {
+        case css::i18n::ScriptType::ASIAN:
+            nScript = SvtScriptType::ASIAN;
+            break;
+        case css::i18n::ScriptType::COMPLEX:
+            nScript = SvtScriptType::COMPLEX;
+            break;
+        default:
+            nScript = SvtScriptType::LATIN;
+    }
+    return nScript;
+}
+
+SvtScriptType FromI18NToSvtScriptType( sal_Int16 nI18NType )
+{
+    switch ( nI18NType )
+    {
+        case i18n::ScriptType::LATIN:   return SvtScriptType::LATIN;
+        case i18n::ScriptType::ASIAN:   return SvtScriptType::ASIAN;
+        case i18n::ScriptType::COMPLEX: return SvtScriptType::COMPLEX;
+        case i18n::ScriptType::WEAK:    return SvtScriptType::NONE; // no mapping
+        default: assert(false && nI18NType && "Unknown i18n::ScriptType"); break;
+    }
+    return SvtScriptType::NONE;
+}
+
+sal_Int16 FromSvtScriptTypeToI18N( SvtScriptType nItemType )
+{
+    switch ( nItemType )
+    {
+        case SvtScriptType::NONE:       return 0;
+        case SvtScriptType::LATIN:      return i18n::ScriptType::LATIN;
+        case SvtScriptType::ASIAN:      return i18n::ScriptType::ASIAN;
+        case SvtScriptType::COMPLEX:    return i18n::ScriptType::COMPLEX;
+        case SvtScriptType::UNKNOWN:    return 0; // no mapping
+        default: assert(false && static_cast<int>(nItemType) && "unknown SvtScriptType"); break;
+    }
+    return 0;
+}
+
+sal_Int16 GetI18NScriptTypeOfLanguage( LanguageType nLang )
+{
+    return FromSvtScriptTypeToI18N( GetScriptTypeOfLanguage( nLang ) );
+}
+
+} // namespace SvtLanguageOptions
+
+static bool isKeyboardLayoutTypeInstalled(sal_Int16 scriptType)
+{
+    bool isInstalled = false;
+#ifdef _WIN32
+    int nLayouts = GetKeyboardLayoutList(0, nullptr);
+    if (nLayouts > 0)
+    {
+        HKL *lpList = static_cast<HKL*>(LocalAlloc(LPTR, (nLayouts * sizeof(HKL))));
+        if (lpList)
+        {
+            nLayouts = GetKeyboardLayoutList(nLayouts, lpList);
+
+            for(int i = 0; i < nLayouts; ++i)
+            {
+                LCID lang = MAKELCID(LOWORD(lpList[i]), SORT_DEFAULT);
+                if (MsLangId::getScriptType(LanguageType(lang)) == scriptType)
+                {
+                    isInstalled = true;
+                    break;
+                }
+            }
+
+            LocalFree(lpList);
+        }
+    }
+#else
+    (void)scriptType;
+#endif
+    return isInstalled;
+}
+
+namespace SvtSystemLanguageOptions
+{
+    bool isCJKKeyboardLayoutInstalled()
+    {
+        return isKeyboardLayoutTypeInstalled(css::i18n::ScriptType::ASIAN);
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/crypto/cryptosign.cxx b/svl/source/crypto/cryptosign.cxx
new file mode 100644
index 0000000000..a234afccbc
--- /dev/null
+++ b/svl/source/crypto/cryptosign.cxx
@@ -0,0 +1,2385 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+
+#include <svl/cryptosign.hxx>
+#include <svl/sigstruct.hxx>
+#include <config_crypto.h>
+
+#if USE_CRYPTO_NSS
+#include <systools/curlinit.hxx>
+#endif
+
+#include <rtl/character.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/string.hxx>
+#include <sal/log.hxx>
+#include <tools/datetime.hxx>
+#include <tools/stream.hxx>
+#include <comphelper/base64.hxx>
+#include <comphelper/hash.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/random.hxx>
+#include <comphelper/scopeguard.hxx>
+#include <comphelper/lok.hxx>
+#include <com/sun/star/security/XCertificate.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+#if USE_CRYPTO_NSS
+// NSS headers for PDF signing
+#include <cert.h>
+#include <keyhi.h>
+#include <pk11pub.h>
+#include <hasht.h>
+#include <secerr.h>
+#include <sechash.h>
+#include <cms.h>
+#include <cmst.h>
+
+// We use curl for RFC3161 time stamp requests
+#include <curl/curl.h>
+
+#include <com/sun/star/xml/crypto/DigestID.hpp>
+#include <com/sun/star/xml/crypto/NSSInitializer.hpp>
+#include <mutex>
+#endif
+
+#if USE_CRYPTO_MSCAPI
+// WinCrypt headers for PDF signing
+// Note: this uses Windows 7 APIs and requires the relevant data types
+#include <prewin.h>
+#include <wincrypt.h>
+#include <postwin.h>
+#include <comphelper/windowserrorstring.hxx>
+#endif
+
+using namespace com::sun::star;
+
+namespace {
+
+#if USE_CRYPTO_ANY
+void appendHex( sal_Int8 nInt, OStringBuffer& rBuffer )
+{
+    static const char pHexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7',
+                                           '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+    rBuffer.append( pHexDigits[ (nInt >> 4) & 15 ] );
+    rBuffer.append( pHexDigits[ nInt & 15 ] );
+}
+#endif
+
+#if USE_CRYPTO_NSS
+char *PDFSigningPKCS7PasswordCallback(PK11SlotInfo * /*slot*/, PRBool /*retry*/, void *arg)
+{
+    return PL_strdup(static_cast<char *>(arg));
+}
+
+// ASN.1 used in the (much simpler) time stamp request. From RFC3161
+// and other sources.
+
+/*
+AlgorithmIdentifier  ::=  SEQUENCE  {
+     algorithm  OBJECT IDENTIFIER,
+     parameters ANY DEFINED BY algorithm OPTIONAL  }
+                   -- contains a value of the type
+                   -- registered for use with the
+                   -- algorithm object identifier value
+
+MessageImprint ::= SEQUENCE  {
+    hashAlgorithm AlgorithmIdentifier,
+    hashedMessage OCTET STRING  }
+*/
+
+struct MessageImprint {
+    SECAlgorithmID hashAlgorithm;
+    SECItem hashedMessage;
+};
+
+/*
+Extension  ::=  SEQUENCE  {
+    extnID    OBJECT IDENTIFIER,
+    critical  BOOLEAN DEFAULT FALSE,
+    extnValue OCTET STRING  }
+*/
+
+struct Extension {
+    SECItem  extnID;
+    SECItem  critical;
+    SECItem  extnValue;
+};
+
+/*
+Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
+*/
+
+/*
+TSAPolicyId ::= OBJECT IDENTIFIER
+
+TimeStampReq ::= SEQUENCE  {
+    version            INTEGER  { v1(1) },
+    messageImprint     MessageImprint,
+    --a hash algorithm OID and the hash value of the data to be
+    --time-stamped
+    reqPolicy          TSAPolicyId         OPTIONAL,
+    nonce              INTEGER             OPTIONAL,
+    certReq            BOOLEAN             DEFAULT FALSE,
+    extensions     [0] IMPLICIT Extensions OPTIONAL  }
+*/
+
+struct TimeStampReq {
+    SECItem version;
+    MessageImprint messageImprint;
+    SECItem reqPolicy;
+    SECItem nonce;
+    SECItem certReq;
+    Extension *extensions;
+};
+
+/**
+ * General name, defined by RFC 3280.
+ */
+struct GeneralName
+{
+    CERTName name;
+};
+
+/**
+ * List of general names (only one for now), defined by RFC 3280.
+ */
+struct GeneralNames
+{
+    GeneralName names;
+};
+
+/**
+ * Supplies different fields to identify a certificate, defined by RFC 5035.
+ */
+struct IssuerSerial
+{
+    GeneralNames issuer;
+    SECItem serialNumber;
+};
+
+/**
+ * Supplies different fields that are used to identify certificates, defined by
+ * RFC 5035.
+ */
+struct ESSCertIDv2
+{
+    SECAlgorithmID hashAlgorithm;
+    SECItem certHash;
+    IssuerSerial issuerSerial;
+};
+
+/**
+ * This attribute uses the ESSCertIDv2 structure, defined by RFC 5035.
+ */
+struct SigningCertificateV2
+{
+    ESSCertIDv2** certs;
+
+    SigningCertificateV2()
+        : certs(nullptr)
+    {
+    }
+};
+
+/**
+ * GeneralName ::= CHOICE {
+ *      otherName                       [0]     OtherName,
+ *      rfc822Name                      [1]     IA5String,
+ *      dNSName                         [2]     IA5String,
+ *      x400Address                     [3]     ORAddress,
+ *      directoryName                   [4]     Name,
+ *      ediPartyName                    [5]     EDIPartyName,
+ *      uniformResourceIdentifier       [6]     IA5String,
+ *      iPAddress                       [7]     OCTET STRING,
+ *      registeredID                    [8]     OBJECT IDENTIFIER
+ * }
+ */
+const SEC_ASN1Template GeneralNameTemplate[] =
+{
+    {SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(GeneralName)},
+    {SEC_ASN1_INLINE, offsetof(GeneralName, name), CERT_NameTemplate, 0},
+    {0, 0, nullptr, 0}
+};
+
+/**
+ * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName
+ */
+const SEC_ASN1Template GeneralNamesTemplate[] =
+{
+    {SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(GeneralNames)},
+    {SEC_ASN1_INLINE | SEC_ASN1_CONTEXT_SPECIFIC | 4, offsetof(GeneralNames, names), GeneralNameTemplate, 0},
+    {0, 0, nullptr, 0}
+};
+
+/**
+ * IssuerSerial ::= SEQUENCE {
+ *     issuer GeneralNames,
+ *     serialNumber CertificateSerialNumber
+ * }
+ */
+const SEC_ASN1Template IssuerSerialTemplate[] =
+{
+    {SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(IssuerSerial)},
+    {SEC_ASN1_INLINE, offsetof(IssuerSerial, issuer), GeneralNamesTemplate, 0},
+    {SEC_ASN1_INTEGER, offsetof(IssuerSerial, serialNumber), nullptr, 0},
+    {0, 0, nullptr, 0}
+};
+
+
+/**
+ * Hash ::= OCTET STRING
+ *
+ * ESSCertIDv2 ::= SEQUENCE {
+ *     hashAlgorithm AlgorithmIdentifier DEFAULT {algorithm id-sha256},
+ *     certHash Hash,
+ *     issuerSerial IssuerSerial OPTIONAL
+ * }
+ */
+
+SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
+
+const SEC_ASN1Template ESSCertIDv2Template[] =
+{
+    {SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(ESSCertIDv2)},
+    {SEC_ASN1_INLINE | SEC_ASN1_XTRN, offsetof(ESSCertIDv2, hashAlgorithm), SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate), 0},
+    {SEC_ASN1_OCTET_STRING, offsetof(ESSCertIDv2, certHash), nullptr, 0},
+    {SEC_ASN1_INLINE | SEC_ASN1_XTRN, offsetof(ESSCertIDv2, issuerSerial), IssuerSerialTemplate, 0},
+    {0, 0, nullptr, 0}
+};
+
+/**
+ * SigningCertificateV2 ::= SEQUENCE {
+ * }
+ */
+const SEC_ASN1Template SigningCertificateV2Template[] =
+{
+    {SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(SigningCertificateV2)},
+    {SEC_ASN1_SEQUENCE_OF, offsetof(SigningCertificateV2, certs), ESSCertIDv2Template, 0},
+    {0, 0, nullptr, 0}
+};
+
+struct PKIStatusInfo {
+    SECItem status;
+    SECItem statusString;
+    SECItem failInfo;
+};
+
+const SEC_ASN1Template PKIStatusInfo_Template[] =
+{
+    { SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(PKIStatusInfo) },
+    { SEC_ASN1_INTEGER, offsetof(PKIStatusInfo, status), nullptr, 0 },
+    { SEC_ASN1_CONSTRUCTED | SEC_ASN1_SEQUENCE | SEC_ASN1_OPTIONAL, offsetof(PKIStatusInfo, statusString), nullptr, 0 },
+    { SEC_ASN1_BIT_STRING | SEC_ASN1_OPTIONAL, offsetof(PKIStatusInfo, failInfo), nullptr, 0 },
+    { 0, 0, nullptr, 0 }
+};
+
+const SEC_ASN1Template Any_Template[] =
+{
+    { SEC_ASN1_ANY, 0, nullptr, sizeof(SECItem) }
+};
+
+struct TimeStampResp {
+    PKIStatusInfo status;
+    SECItem timeStampToken;
+};
+
+const SEC_ASN1Template TimeStampResp_Template[] =
+{
+    { SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(TimeStampResp) },
+    { SEC_ASN1_INLINE, offsetof(TimeStampResp, status), PKIStatusInfo_Template, 0 },
+    { SEC_ASN1_ANY | SEC_ASN1_OPTIONAL, offsetof(TimeStampResp, timeStampToken), Any_Template, 0 },
+    { 0, 0, nullptr, 0 }
+};
+
+const SEC_ASN1Template MessageImprint_Template[] =
+{
+    { SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(MessageImprint) },
+    { SEC_ASN1_INLINE, offsetof(MessageImprint, hashAlgorithm), SECOID_AlgorithmIDTemplate, 0 },
+    { SEC_ASN1_OCTET_STRING, offsetof(MessageImprint, hashedMessage), nullptr, 0 },
+    { 0, 0, nullptr, 0 }
+};
+
+const SEC_ASN1Template Extension_Template[] =
+{
+    { SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(Extension) },
+    { SEC_ASN1_OBJECT_ID, offsetof(Extension, extnID), nullptr, 0 },
+    { SEC_ASN1_BOOLEAN, offsetof(Extension, critical), nullptr, 0 },
+    { SEC_ASN1_OCTET_STRING, offsetof(Extension, extnValue), nullptr, 0 },
+    { 0, 0, nullptr, 0 }
+};
+
+const SEC_ASN1Template Extensions_Template[] =
+{
+    { SEC_ASN1_SEQUENCE_OF, 0, Extension_Template, 0 }
+};
+
+const SEC_ASN1Template TimeStampReq_Template[] =
+{
+    { SEC_ASN1_SEQUENCE, 0, nullptr, sizeof(TimeStampReq) },
+    { SEC_ASN1_INTEGER, offsetof(TimeStampReq, version), nullptr, 0 },
+    { SEC_ASN1_INLINE, offsetof(TimeStampReq, messageImprint), MessageImprint_Template, 0 },
+    { SEC_ASN1_OBJECT_ID | SEC_ASN1_OPTIONAL, offsetof(TimeStampReq, reqPolicy), nullptr, 0 },
+    { SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL, offsetof(TimeStampReq, nonce), nullptr, 0 },
+    { SEC_ASN1_BOOLEAN | SEC_ASN1_OPTIONAL, offsetof(TimeStampReq, certReq), nullptr, 0 },
+    { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | 0, offsetof(TimeStampReq, extensions), Extensions_Template, 0 },
+    { 0, 0, nullptr, 0 }
+};
+
+size_t AppendToBuffer(char const *ptr, size_t size, size_t nmemb, void *userdata)
+{
+    OStringBuffer *pBuffer = static_cast<OStringBuffer*>(userdata);
+    pBuffer->append(ptr, size*nmemb);
+
+    return size*nmemb;
+}
+
+OUString PKIStatusToString(int n)
+{
+    switch (n)
+    {
+    case 0: return "granted";
+    case 1: return "grantedWithMods";
+    case 2: return "rejection";
+    case 3: return "waiting";
+    case 4: return "revocationWarning";
+    case 5: return "revocationNotification";
+    default: return "unknown (" + OUString::number(n) + ")";
+    }
+}
+
+OUString PKIStatusInfoToString(const PKIStatusInfo& rStatusInfo)
+{
+    OUString result = "{status=";
+    if (rStatusInfo.status.len == 1)
+        result += PKIStatusToString(rStatusInfo.status.data[0]);
+    else
+        result += "unknown (len=" + OUString::number(rStatusInfo.status.len);
+
+    // FIXME: Perhaps look at rStatusInfo.statusString.data but note
+    // that we of course can't assume it contains proper UTF-8. After
+    // all, it is data from an external source. Also, RFC3161 claims
+    // it should be a SEQUENCE (1..MAX) OF UTF8String, but another
+    // source claimed it would be a single UTF8String, hmm?
+
+    // FIXME: Worth it to decode failInfo to cleartext, probably not at least as long as this is only for a SAL_INFO
+
+    result += "}";
+
+    return result;
+}
+
+// SEC_StringToOID() and NSS_CMSSignerInfo_AddUnauthAttr() are
+// not exported from libsmime, so copy them here. Sigh.
+
+SECStatus
+my_SEC_StringToOID(SECItem *to, const char *from, PRUint32 len)
+{
+    PRUint32 decimal_numbers = 0;
+    PRUint32 result_bytes = 0;
+    SECStatus rv;
+    PRUint8 result[1024];
+
+    static const PRUint32 max_decimal = 0xffffffff / 10;
+    static const char OIDstring[] = {"OID."};
+
+    if (!from || !to) {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+    if (!len) {
+        len = PL_strlen(from);
+    }
+    if (len >= 4 && !PL_strncasecmp(from, OIDstring, 4)) {
+        from += 4; /* skip leading "OID." if present */
+        len  -= 4;
+    }
+    if (!len) {
+bad_data:
+        PORT_SetError(SEC_ERROR_BAD_DATA);
+        return SECFailure;
+    }
+    do {
+        PRUint32 decimal = 0;
+        while (len > 0 && rtl::isAsciiDigit(static_cast<unsigned char>(*from))) {
+            PRUint32 addend = *from++ - '0';
+            --len;
+            if (decimal > max_decimal)  /* overflow */
+                goto bad_data;
+            decimal = (decimal * 10) + addend;
+            if (decimal < addend)   /* overflow */
+                goto bad_data;
+        }
+        if (len != 0 && *from != '.') {
+            goto bad_data;
+        }
+        if (decimal_numbers == 0) {
+            if (decimal > 2)
+                goto bad_data;
+            result[0] = decimal * 40;
+            result_bytes = 1;
+        } else if (decimal_numbers == 1) {
+            if (decimal > 40)
+                goto bad_data;
+            result[0] += decimal;
+        } else {
+            /* encode the decimal number,  */
+            PRUint8 * rp;
+            PRUint32 num_bytes = 0;
+            PRUint32 tmp = decimal;
+            while (tmp) {
+                num_bytes++;
+                tmp >>= 7;
+            }
+            if (!num_bytes )
+                ++num_bytes;  /* use one byte for a zero value */
+            if (num_bytes + result_bytes > sizeof result)
+                goto bad_data;
+            tmp = num_bytes;
+            rp = result + result_bytes - 1;
+            rp[tmp] = static_cast<PRUint8>(decimal & 0x7f);
+            decimal >>= 7;
+            while (--tmp > 0) {
+                rp[tmp] = static_cast<PRUint8>(decimal | 0x80);
+                decimal >>= 7;
+            }
+            result_bytes += num_bytes;
+        }
+        ++decimal_numbers;
+        if (len > 0) { /* skip trailing '.' */
+            ++from;
+            --len;
+        }
+    } while (len > 0);
+    /* now result contains result_bytes of data */
+    if (to->data && to->len >= result_bytes) {
+        to->len = result_bytes;
+        PORT_Memcpy(to->data, result, to->len);
+        rv = SECSuccess;
+    } else {
+        SECItem result_item = {siBuffer, nullptr, 0 };
+        result_item.data = result;
+        result_item.len  = result_bytes;
+        rv = SECITEM_CopyItem(nullptr, to, &result_item);
+    }
+    return rv;
+}
+
+NSSCMSAttribute *
+my_NSS_CMSAttributeArray_FindAttrByOidTag(NSSCMSAttribute **attrs, SECOidTag oidtag, PRBool only)
+{
+    SECOidData *oid;
+    NSSCMSAttribute *attr1, *attr2;
+
+    if (attrs == nullptr)
+        return nullptr;
+
+    oid = SECOID_FindOIDByTag(oidtag);
+    if (oid == nullptr)
+        return nullptr;
+
+    while ((attr1 = *attrs++) != nullptr) {
+    if (attr1->type.len == oid->oid.len && PORT_Memcmp (attr1->type.data,
+                                oid->oid.data,
+                                oid->oid.len) == 0)
+        break;
+    }
+
+    if (attr1 == nullptr)
+        return nullptr;
+
+    if (!only)
+        return attr1;
+
+    while ((attr2 = *attrs++) != nullptr) {
+    if (attr2->type.len == oid->oid.len && PORT_Memcmp (attr2->type.data,
+                                oid->oid.data,
+                                oid->oid.len) == 0)
+        break;
+    }
+
+    if (attr2 != nullptr)
+        return nullptr;
+
+    return attr1;
+}
+
+SECStatus
+my_NSS_CMSArray_Add(PLArenaPool *poolp, void ***array, void *obj)
+{
+    int n = 0;
+    void **dest;
+
+    PORT_Assert(array != NULL);
+    if (array == nullptr)
+        return SECFailure;
+
+    if (*array == nullptr) {
+        dest = static_cast<void **>(PORT_ArenaAlloc(poolp, 2 * sizeof(void *)));
+    } else {
+        void **p = *array;
+        while (*p++)
+            n++;
+        dest = static_cast<void **>(PORT_ArenaGrow (poolp,
+                      *array,
+                      (n + 1) * sizeof(void *),
+                      (n + 2) * sizeof(void *)));
+    }
+
+    if (dest == nullptr)
+        return SECFailure;
+
+    dest[n] = obj;
+    dest[n+1] = nullptr;
+    *array = dest;
+    return SECSuccess;
+}
+
+SECOidTag
+my_NSS_CMSAttribute_GetType(const NSSCMSAttribute *attr)
+{
+    SECOidData *typetag;
+
+    typetag = SECOID_FindOID(&(attr->type));
+    if (typetag == nullptr)
+        return SEC_OID_UNKNOWN;
+
+    return typetag->offset;
+}
+
+SECStatus
+my_NSS_CMSAttributeArray_AddAttr(PLArenaPool *poolp, NSSCMSAttribute ***attrs, NSSCMSAttribute *attr)
+{
+    NSSCMSAttribute *oattr;
+    void *mark;
+    SECOidTag type;
+
+    mark = PORT_ArenaMark(poolp);
+
+    /* find oidtag of attr */
+    type = my_NSS_CMSAttribute_GetType(attr);
+
+    /* see if we have one already */
+    oattr = my_NSS_CMSAttributeArray_FindAttrByOidTag(*attrs, type, PR_FALSE);
+    PORT_Assert (oattr == NULL);
+    if (oattr != nullptr)
+        goto loser; /* XXX or would it be better to replace it? */
+
+    /* no, shove it in */
+    if (my_NSS_CMSArray_Add(poolp, reinterpret_cast<void ***>(attrs), static_cast<void *>(attr)) != SECSuccess)
+        goto loser;
+
+    PORT_ArenaUnmark(poolp, mark);
+    return SECSuccess;
+
+loser:
+    PORT_ArenaRelease(poolp, mark);
+    return SECFailure;
+}
+
+SECStatus
+my_NSS_CMSSignerInfo_AddUnauthAttr(NSSCMSSignerInfo *signerinfo, NSSCMSAttribute *attr)
+{
+    return my_NSS_CMSAttributeArray_AddAttr(signerinfo->cmsg->poolp, &(signerinfo->unAuthAttr), attr);
+}
+
+SECStatus
+my_NSS_CMSSignerInfo_AddAuthAttr(NSSCMSSignerInfo *signerinfo, NSSCMSAttribute *attr)
+{
+    return my_NSS_CMSAttributeArray_AddAttr(signerinfo->cmsg->poolp, &(signerinfo->authAttr), attr);
+}
+
+NSSCMSMessage *CreateCMSMessage(const PRTime* time,
+                                NSSCMSSignedData **cms_sd,
+                                NSSCMSSignerInfo **cms_signer,
+                                CERTCertificate *cert,
+                                SECItem *digest)
+{
+    NSSCMSMessage *result = NSS_CMSMessage_Create(nullptr);
+    if (!result)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSMessage_Create failed");
+        return nullptr;
+    }
+
+    *cms_sd = NSS_CMSSignedData_Create(result);
+    if (!*cms_sd)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignedData_Create failed");
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    NSSCMSContentInfo *cms_cinfo = NSS_CMSMessage_GetContentInfo(result);
+    if (NSS_CMSContentInfo_SetContent_SignedData(result, cms_cinfo, *cms_sd) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSContentInfo_SetContent_SignedData failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    cms_cinfo = NSS_CMSSignedData_GetContentInfo(*cms_sd);
+
+    // Attach NULL data as detached data
+    if (NSS_CMSContentInfo_SetContent_Data(result, cms_cinfo, nullptr, PR_TRUE) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSContentInfo_SetContent_Data failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    // workaround: with legacy "dbm:", NSS can't find the private key - try out
+    // if it works, and fallback if it doesn't.
+    if (SECKEYPrivateKey * pPrivateKey = PK11_FindKeyByAnyCert(cert, nullptr))
+    {
+        if (!comphelper::LibreOfficeKit::isActive())
+        {
+            // pPrivateKey only exists in the memory in the LOK case, don't delete it.
+            SECKEY_DestroyPrivateKey(pPrivateKey);
+        }
+        *cms_signer = NSS_CMSSignerInfo_Create(result, cert, SEC_OID_SHA256);
+    }
+    else
+    {
+        pPrivateKey = PK11_FindKeyByDERCert(cert->slot, cert, nullptr);
+        SECKEYPublicKey *const pPublicKey = CERT_ExtractPublicKey(cert);
+        if (pPublicKey && pPrivateKey)
+        {
+            *cms_signer = NSS_CMSSignerInfo_CreateWithSubjKeyID(result, &cert->subjectKeyID, pPublicKey, pPrivateKey, SEC_OID_SHA256);
+            SECKEY_DestroyPrivateKey(pPrivateKey);
+            SECKEY_DestroyPublicKey(pPublicKey);
+            if (*cms_signer)
+            {
+                // this is required in NSS_CMSSignerInfo_IncludeCerts()
+                // (and NSS_CMSSignerInfo_GetSigningCertificate() doesn't work)
+                (**cms_signer).cert = CERT_DupCertificate(cert);
+            }
+        }
+    }
+    if (!*cms_signer)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignerInfo_Create failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    if (time && NSS_CMSSignerInfo_AddSigningTime(*cms_signer, *time) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignerInfo_AddSigningTime failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    if (NSS_CMSSignerInfo_IncludeCerts(*cms_signer, NSSCMSCM_CertChain, certUsageEmailSigner) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignerInfo_IncludeCerts failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    if (NSS_CMSSignedData_AddCertificate(*cms_sd, cert) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignedData_AddCertificate failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    if (NSS_CMSSignedData_AddSignerInfo(*cms_sd, *cms_signer) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignedData_AddSignerInfo failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    if (NSS_CMSSignedData_SetDigestValue(*cms_sd, SEC_OID_SHA256, digest) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSSignedData_SetDigestValue failed");
+        NSS_CMSSignedData_Destroy(*cms_sd);
+        NSS_CMSMessage_Destroy(result);
+        return nullptr;
+    }
+
+    return result;
+}
+
+#elif USE_CRYPTO_MSCAPI // ends USE_CRYPTO_NSS
+
+/// Counts how many bytes are needed to encode a given length.
+size_t GetDERLengthOfLength(size_t nLength)
+{
+    size_t nRet = 1;
+
+    if(nLength > 127)
+    {
+        while (nLength >> (nRet * 8))
+            ++nRet;
+        // Long form means one additional byte: the length of the length and
+        // the length itself.
+        ++nRet;
+    }
+    return nRet;
+}
+
+/// Writes the length part of the header.
+void WriteDERLength(SvStream& rStream, size_t nLength)
+{
+    size_t nLengthOfLength = GetDERLengthOfLength(nLength);
+    if (nLengthOfLength == 1)
+    {
+        // We can use the short form.
+        rStream.WriteUInt8(nLength);
+        return;
+    }
+
+    // 0x80 means that the we use the long form: the first byte is the length
+    // of length with the highest bit set to 1, not the actual length.
+    rStream.WriteUInt8(0x80 | (nLengthOfLength - 1));
+    for (size_t i = 1; i < nLengthOfLength; ++i)
+        rStream.WriteUInt8(nLength >> ((nLengthOfLength - i - 1) * 8));
+}
+
+const unsigned nASN1_INTEGER = 0x02;
+const unsigned nASN1_OCTET_STRING = 0x04;
+const unsigned nASN1_NULL = 0x05;
+const unsigned nASN1_OBJECT_IDENTIFIER = 0x06;
+const unsigned nASN1_SEQUENCE = 0x10;
+/// An explicit tag on a constructed value.
+const unsigned nASN1_TAGGED_CONSTRUCTED = 0xa0;
+const unsigned nASN1_CONSTRUCTED = 0x20;
+
+/// Create payload for the 'signing-certificate' signed attribute.
+bool CreateSigningCertificateAttribute(void const * pDerEncoded, int nDerEncoded, PCCERT_CONTEXT pCertContext, SvStream& rEncodedCertificate)
+{
+    // CryptEncodeObjectEx() does not support encoding arbitrary ASN.1
+    // structures, like SigningCertificateV2 from RFC 5035, so let's build it
+    // manually.
+
+    // Count the certificate hash and put it to aHash.
+    // 2.16.840.1.101.3.4.2.1, i.e. sha256.
+    std::vector<unsigned char> aSHA256{0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01};
+
+    HCRYPTPROV hProv = 0;
+    if (!CryptAcquireContextW(&hProv, nullptr, nullptr, PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
+    {
+        SAL_WARN("svl.crypto", "CryptAcquireContext() failed");
+        return false;
+    }
+
+    HCRYPTHASH hHash = 0;
+    if (!CryptCreateHash(hProv, CALG_SHA_256, 0, 0, &hHash))
+    {
+        SAL_WARN("svl.crypto", "CryptCreateHash() failed");
+        return false;
+    }
+
+    if (!CryptHashData(hHash, static_cast<const BYTE*>(pDerEncoded), nDerEncoded, 0))
+    {
+        SAL_WARN("svl.crypto", "CryptHashData() failed");
+        return false;
+    }
+
+    DWORD nHash = 0;
+    if (!CryptGetHashParam(hHash, HP_HASHVAL, nullptr, &nHash, 0))
+    {
+        SAL_WARN("svl.crypto", "CryptGetHashParam() failed to provide the hash length");
+        return false;
+    }
+
+    std::vector<unsigned char> aHash(nHash);
+    if (!CryptGetHashParam(hHash, HP_HASHVAL, aHash.data(), &nHash, 0))
+    {
+        SAL_WARN("svl.crypto", "CryptGetHashParam() failed to provide the hash");
+        return false;
+    }
+
+    CryptDestroyHash(hHash);
+    CryptReleaseContext(hProv, 0);
+
+    // Collect info for IssuerSerial.
+    BYTE* pIssuer = pCertContext->pCertInfo->Issuer.pbData;
+    DWORD nIssuer = pCertContext->pCertInfo->Issuer.cbData;
+    BYTE* pSerial = pCertContext->pCertInfo->SerialNumber.pbData;
+    DWORD nSerial = pCertContext->pCertInfo->SerialNumber.cbData;
+    // pSerial is LE, aSerial is BE.
+    std::vector<BYTE> aSerial(nSerial);
+    for (size_t i = 0; i < nSerial; ++i)
+        aSerial[i] = *(pSerial + nSerial - i - 1);
+
+    // We now have all the info to count the lengths.
+    // The layout of the payload is:
+    // SEQUENCE: SigningCertificateV2
+    //     SEQUENCE: SEQUENCE OF ESSCertIDv2
+    //         SEQUENCE: ESSCertIDv2
+    //             SEQUENCE: AlgorithmIdentifier
+    //                 OBJECT: algorithm
+    //                 NULL: parameters
+    //             OCTET STRING: certHash
+    //             SEQUENCE: IssuerSerial
+    //                 SEQUENCE: GeneralNames
+    //                     cont [ 4 ]: Name
+    //                         SEQUENCE: Issuer blob
+    //                 INTEGER: CertificateSerialNumber
+
+    size_t nAlgorithm = 1 + GetDERLengthOfLength(aSHA256.size()) + aSHA256.size();
+    size_t nParameters = 1 + GetDERLengthOfLength(1);
+    size_t nAlgorithmIdentifier = 1 + GetDERLengthOfLength(nAlgorithm + nParameters) + nAlgorithm + nParameters;
+    size_t nCertHash = 1 + GetDERLengthOfLength(aHash.size()) + aHash.size();
+    size_t nName = 1 + GetDERLengthOfLength(nIssuer) + nIssuer;
+    size_t nGeneralNames = 1 + GetDERLengthOfLength(nName) + nName;
+    size_t nCertificateSerialNumber = 1 + GetDERLengthOfLength(nSerial) + nSerial;
+    size_t nIssuerSerial = 1 + GetDERLengthOfLength(nGeneralNames + nCertificateSerialNumber) + nGeneralNames + nCertificateSerialNumber;
+    size_t nESSCertIDv2 = 1 + GetDERLengthOfLength(nAlgorithmIdentifier + nCertHash + nIssuerSerial) + nAlgorithmIdentifier + nCertHash + nIssuerSerial;
+    size_t nESSCertIDv2s = 1 + GetDERLengthOfLength(nESSCertIDv2) + nESSCertIDv2;
+
+    // Write SigningCertificateV2.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nESSCertIDv2s);
+    // Write SEQUENCE OF ESSCertIDv2.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nESSCertIDv2);
+    // Write ESSCertIDv2.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nAlgorithmIdentifier + nCertHash + nIssuerSerial);
+    // Write AlgorithmIdentifier.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nAlgorithm + nParameters);
+    // Write algorithm.
+    rEncodedCertificate.WriteUInt8(nASN1_OBJECT_IDENTIFIER);
+    WriteDERLength(rEncodedCertificate, aSHA256.size());
+    rEncodedCertificate.WriteBytes(aSHA256.data(), aSHA256.size());
+    // Write parameters.
+    rEncodedCertificate.WriteUInt8(nASN1_NULL);
+    rEncodedCertificate.WriteUInt8(0);
+    // Write certHash.
+    rEncodedCertificate.WriteUInt8(nASN1_OCTET_STRING);
+    WriteDERLength(rEncodedCertificate, aHash.size());
+    rEncodedCertificate.WriteBytes(aHash.data(), aHash.size());
+    // Write IssuerSerial.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nGeneralNames + nCertificateSerialNumber);
+    // Write GeneralNames.
+    rEncodedCertificate.WriteUInt8(nASN1_SEQUENCE | nASN1_CONSTRUCTED);
+    WriteDERLength(rEncodedCertificate, nName);
+    // Write Name.
+    rEncodedCertificate.WriteUInt8(nASN1_TAGGED_CONSTRUCTED | 4);
+    WriteDERLength(rEncodedCertificate, nIssuer);
+    rEncodedCertificate.WriteBytes(pIssuer, nIssuer);
+    // Write CertificateSerialNumber.
+    rEncodedCertificate.WriteUInt8(nASN1_INTEGER);
+    WriteDERLength(rEncodedCertificate, nSerial);
+    rEncodedCertificate.WriteBytes(aSerial.data(), aSerial.size());
+
+    return true;
+}
+#endif // USE_CRYPTO_MSCAPI
+
+} // anonymous namespace
+
+namespace svl::crypto {
+
+static int AsHex(char ch)
+{
+    int nRet = 0;
+    if (rtl::isAsciiDigit(static_cast<unsigned char>(ch)))
+        nRet = ch - '0';
+    else
+    {
+        if (ch >= 'a' && ch <= 'f')
+            nRet = ch - 'a';
+        else if (ch >= 'A' && ch <= 'F')
+            nRet = ch - 'A';
+        else
+            return -1;
+        nRet += 10;
+    }
+    return nRet;
+}
+
+std::vector<unsigned char> DecodeHexString(std::string_view rHex)
+{
+    std::vector<unsigned char> aRet;
+    size_t nHexLen = rHex.size();
+    {
+        int nByte = 0;
+        int nCount = 2;
+        for (size_t i = 0; i < nHexLen; ++i)
+        {
+            nByte = nByte << 4;
+            sal_Int8 nParsed = AsHex(rHex[i]);
+            if (nParsed == -1)
+            {
+                SAL_WARN("svl.crypto", "DecodeHexString: invalid hex value");
+                return aRet;
+            }
+            nByte += nParsed;
+            --nCount;
+            if (!nCount)
+            {
+                aRet.push_back(nByte);
+                nCount = 2;
+                nByte = 0;
+            }
+        }
+    }
+
+    return aRet;
+}
+
+bool Signing::Sign(OStringBuffer& rCMSHexBuffer)
+{
+#if !USE_CRYPTO_ANY
+    (void)rCMSHexBuffer;
+    return false;
+#else
+    // Create the PKCS#7 object.
+    css::uno::Sequence<sal_Int8> aDerEncoded = m_xCertificate->getEncoded();
+    if (!aDerEncoded.hasElements())
+    {
+        SAL_WARN("svl.crypto", "Crypto::Signing: empty certificate");
+        return false;
+    }
+
+#if USE_CRYPTO_NSS
+    CERTCertificate *cert = CERT_DecodeCertFromPackage(reinterpret_cast<char *>(aDerEncoded.getArray()), aDerEncoded.getLength());
+
+    if (!cert)
+    {
+        SAL_WARN("svl.crypto", "CERT_DecodeCertFromPackage failed");
+        return false;
+    }
+
+    std::vector<unsigned char> aHashResult;
+    {
+        comphelper::Hash aHash(comphelper::HashType::SHA256);
+
+        for (const auto& pair : m_dataBlocks)
+            aHash.update(static_cast<const unsigned char*>(pair.first), pair.second);
+
+        aHashResult = aHash.finalize();
+    }
+    SECItem digest;
+    digest.data = aHashResult.data();
+    digest.len = aHashResult.size();
+
+    PRTime now = PR_Now();
+    NSSCMSSignedData *cms_sd(nullptr);
+    NSSCMSSignerInfo *cms_signer(nullptr);
+    NSSCMSMessage *cms_msg = CreateCMSMessage(nullptr, &cms_sd, &cms_signer, cert, &digest);
+    if (!cms_msg)
+        return false;
+
+    OString pass(OUStringToOString( m_aSignPassword, RTL_TEXTENCODING_UTF8 ));
+
+    TimeStampReq src;
+    OStringBuffer response_buffer;
+    TimeStampResp response;
+    SECItem response_item;
+    NSSCMSAttribute timestamp;
+    SECItem values[2];
+    SECItem *valuesp[2];
+    valuesp[0] = values;
+    valuesp[1] = nullptr;
+    SECOidData typetag;
+
+    if( !m_aSignTSA.isEmpty() )
+    {
+        // Create another CMS message with the same contents as cms_msg, because it doesn't seem
+        // possible to encode a message twice (once to get something to timestamp, and then after
+        // adding the timestamp attribute).
+
+        NSSCMSSignedData *ts_cms_sd;
+        NSSCMSSignerInfo *ts_cms_signer;
+        NSSCMSMessage *ts_cms_msg = CreateCMSMessage(&now, &ts_cms_sd, &ts_cms_signer, cert, &digest);
+        if (!ts_cms_msg)
+        {
+            return false;
+        }
+
+        SECItem ts_cms_output;
+        ts_cms_output.data = nullptr;
+        ts_cms_output.len = 0;
+        PLArenaPool *ts_arena = PORT_NewArena(10000);
+        NSSCMSEncoderContext *ts_cms_ecx;
+        ts_cms_ecx = NSS_CMSEncoder_Start(ts_cms_msg, nullptr, nullptr, &ts_cms_output, ts_arena, PDFSigningPKCS7PasswordCallback,
+                                          const_cast<char*>(pass.getStr()), nullptr, nullptr, nullptr, nullptr);
+
+        if (NSS_CMSEncoder_Finish(ts_cms_ecx) != SECSuccess)
+        {
+            SAL_WARN("svl.crypto", "NSS_CMSEncoder_Finish failed");
+            return false;
+        }
+
+        // I have compared the ts_cms_output produced here with the cms_output produced below when
+        // not actually calling my_NSS_CMSSignerInfo_AddUnauthAttr()), and they are identical.
+
+        std::vector<unsigned char> aTsHashResult = comphelper::Hash::calculateHash(ts_cms_signer->encDigest.data, ts_cms_signer->encDigest.len, comphelper::HashType::SHA256);
+        SECItem ts_digest;
+        ts_digest.type = siBuffer;
+        ts_digest.data = aTsHashResult.data();
+        ts_digest.len = aTsHashResult.size();
+
+        unsigned char cOne = 1;
+        src.version.type = siUnsignedInteger;
+        src.version.data = &cOne;
+        src.version.len = sizeof(cOne);
+
+        src.messageImprint.hashAlgorithm.algorithm.data = nullptr;
+        src.messageImprint.hashAlgorithm.parameters.data = nullptr;
+        SECOID_SetAlgorithmID(nullptr, &src.messageImprint.hashAlgorithm, SEC_OID_SHA256, nullptr);
+        src.messageImprint.hashedMessage = ts_digest;
+
+        src.reqPolicy.type = siBuffer;
+        src.reqPolicy.data = nullptr;
+        src.reqPolicy.len = 0;
+
+        unsigned int nNonce = comphelper::rng::uniform_uint_distribution(0, SAL_MAX_UINT32);
+        src.nonce.type = siUnsignedInteger;
+        src.nonce.data = reinterpret_cast<unsigned char*>(&nNonce);
+        src.nonce.len = sizeof(nNonce);
+
+        src.certReq.type = siUnsignedInteger;
+        src.certReq.data = &cOne;
+        src.certReq.len = sizeof(cOne);
+
+        src.extensions = nullptr;
+
+        SECItem* timestamp_request = SEC_ASN1EncodeItem(nullptr, nullptr, &src, TimeStampReq_Template);
+        if (timestamp_request == nullptr)
+        {
+            SAL_WARN("svl.crypto", "SEC_ASN1EncodeItem failed");
+            return false;
+        }
+
+        if (timestamp_request->data == nullptr)
+        {
+            SAL_WARN("svl.crypto", "SEC_ASN1EncodeItem succeeded but got NULL data");
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        SAL_INFO("svl.crypto", "request length=" << timestamp_request->len);
+
+        // Send time stamp request to TSA server, receive response
+
+        CURL* curl = curl_easy_init();
+        CURLcode rc;
+        struct curl_slist* slist = nullptr;
+
+        if (!curl)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_init failed");
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        ::InitCurl_easy(curl);
+
+        SAL_INFO("svl.crypto", "Setting curl to verbose: " << (curl_easy_setopt(curl, CURLOPT_VERBOSE, 1) == CURLE_OK ? "OK" : "FAIL"));
+
+        if ((rc = curl_easy_setopt(curl, CURLOPT_URL, OUStringToOString(m_aSignTSA, RTL_TEXTENCODING_UTF8).getStr())) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_URL) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        slist = curl_slist_append(slist, "Content-Type: application/timestamp-query");
+        slist = curl_slist_append(slist, "Accept: application/timestamp-reply");
+
+        if ((rc = curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_HTTPHEADER) failed: " << curl_easy_strerror(rc));
+            curl_slist_free_all(slist);
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        if ((rc = curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, static_cast<tools::Long>(timestamp_request->len))) != CURLE_OK ||
+            (rc = curl_easy_setopt(curl, CURLOPT_POSTFIELDS, timestamp_request->data)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_POSTFIELDSIZE or CURLOPT_POSTFIELDS) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        if ((rc = curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response_buffer)) != CURLE_OK ||
+            (rc = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, AppendToBuffer)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_WRITEDATA or CURLOPT_WRITEFUNCTION) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        if ((rc = curl_easy_setopt(curl, CURLOPT_POST, 1)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_POST) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        char error_buffer[CURL_ERROR_SIZE];
+        if ((rc = curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error_buffer)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_ERRORBUFFER) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        // Use a ten second timeout
+        if ((rc = curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10)) != CURLE_OK ||
+            (rc = curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 10)) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_setopt(CURLOPT_TIMEOUT or CURLOPT_CONNECTTIMEOUT) failed: " << curl_easy_strerror(rc));
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        if (curl_easy_perform(curl) != CURLE_OK)
+        {
+            SAL_WARN("svl.crypto", "curl_easy_perform failed: " << error_buffer);
+            curl_easy_cleanup(curl);
+            SECITEM_FreeItem(timestamp_request, PR_TRUE);
+            return false;
+        }
+
+        SAL_INFO("svl.crypto", "PDF signing: got response, length=" << response_buffer.getLength());
+
+        curl_slist_free_all(slist);
+        curl_easy_cleanup(curl);
+        SECITEM_FreeItem(timestamp_request, PR_TRUE);
+
+        memset(&response, 0, sizeof(response));
+
+        response_item.type = siBuffer;
+        response_item.data = reinterpret_cast<unsigned char*>(const_cast<char*>(response_buffer.getStr()));
+        response_item.len = response_buffer.getLength();
+
+        if (SEC_ASN1DecodeItem(nullptr, &response, TimeStampResp_Template, &response_item) != SECSuccess)
+        {
+            SAL_WARN("svl.crypto", "SEC_ASN1DecodeItem failed");
+            return false;
+        }
+
+        SAL_INFO("svl.crypto", "TimeStampResp received and decoded, status=" << PKIStatusInfoToString(response.status));
+
+        if (response.status.status.len != 1 ||
+            (response.status.status.data[0] != 0 && response.status.status.data[0] != 1))
+        {
+            SAL_WARN("svl.crypto", "Timestamp request was not granted");
+            return false;
+        }
+
+        // timestamp.type filled in below
+
+        // Not sure if we actually need two entries in the values array, now when valuesp is an
+        // array too, the pointer to the values array followed by a null pointer. But I don't feel
+        // like experimenting.
+        values[0] = response.timeStampToken;
+        values[1].type = siBuffer;
+        values[1].data = nullptr;
+        values[1].len = 0;
+
+        timestamp.values = valuesp;
+
+        typetag.oid.data = nullptr;
+        // id-aa-timeStampToken OBJECT IDENTIFIER ::= { iso(1)
+        // member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-9(9)
+        // smime(16) aa(2) 14 }
+        if (my_SEC_StringToOID(&typetag.oid, "1.2.840.113549.1.9.16.2.14", 0) != SECSuccess)
+        {
+            SAL_WARN("svl.crypto", "SEC_StringToOID failed");
+            return false;
+        }
+        typetag.offset = SEC_OID_UNKNOWN; // ???
+        typetag.desc = "id-aa-timeStampToken";
+        typetag.mechanism = CKM_SHA_1; // ???
+        typetag.supportedExtension = UNSUPPORTED_CERT_EXTENSION; // ???
+        timestamp.typeTag = &typetag;
+
+        timestamp.type = typetag.oid; // ???
+
+        timestamp.encoded = PR_TRUE; // ???
+
+        if (my_NSS_CMSSignerInfo_AddUnauthAttr(cms_signer, &timestamp) != SECSuccess)
+        {
+            SAL_WARN("svl.crypto", "NSS_CMSSignerInfo_AddUnauthAttr failed");
+            return false;
+        }
+    }
+
+    // Add the signing certificate as a signed attribute.
+    ESSCertIDv2* aCertIDs[2];
+    ESSCertIDv2 aCertID;
+    // Write ESSCertIDv2.hashAlgorithm.
+    aCertID.hashAlgorithm.algorithm.data = nullptr;
+    aCertID.hashAlgorithm.parameters.data = nullptr;
+    SECOID_SetAlgorithmID(nullptr, &aCertID.hashAlgorithm, SEC_OID_SHA256, nullptr);
+    comphelper::ScopeGuard aAlgoGuard(
+        [&aCertID] () { SECOID_DestroyAlgorithmID(&aCertID.hashAlgorithm, false); } );
+    // Write ESSCertIDv2.certHash.
+    SECItem aCertHashItem;
+    auto pDerEncoded = reinterpret_cast<const unsigned char *>(aDerEncoded.getArray());
+    std::vector<unsigned char> aCertHashResult = comphelper::Hash::calculateHash(pDerEncoded, aDerEncoded.getLength(), comphelper::HashType::SHA256);
+    aCertHashItem.type = siBuffer;
+    aCertHashItem.data = aCertHashResult.data();
+    aCertHashItem.len = aCertHashResult.size();
+    aCertID.certHash = aCertHashItem;
+    // Write ESSCertIDv2.issuerSerial.
+    IssuerSerial aSerial;
+    GeneralName aName;
+    aName.name = cert->issuer;
+    aSerial.issuer.names = aName;
+    aSerial.serialNumber = cert->serialNumber;
+    aCertID.issuerSerial = aSerial;
+    // Write SigningCertificateV2.certs.
+    aCertIDs[0] = &aCertID;
+    aCertIDs[1] = nullptr;
+    SigningCertificateV2 aCertificate;
+    aCertificate.certs = &aCertIDs[0];
+    SECItem* pEncodedCertificate = SEC_ASN1EncodeItem(nullptr, nullptr, &aCertificate, SigningCertificateV2Template);
+    if (!pEncodedCertificate)
+    {
+        SAL_WARN("svl.crypto", "SEC_ASN1EncodeItem() failed");
+        return false;
+    }
+
+    NSSCMSAttribute aAttribute;
+    SECItem aAttributeValues[2];
+    SECItem* pAttributeValues[2];
+    pAttributeValues[0] = aAttributeValues;
+    pAttributeValues[1] = nullptr;
+    aAttributeValues[0] = *pEncodedCertificate;
+    aAttributeValues[1].type = siBuffer;
+    aAttributeValues[1].data = nullptr;
+    aAttributeValues[1].len = 0;
+    aAttribute.values = pAttributeValues;
+
+    SECOidData aOidData;
+    aOidData.oid.data = nullptr;
+    /*
+     * id-aa-signingCertificateV2 OBJECT IDENTIFIER ::=
+     * { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+     *   smime(16) id-aa(2) 47 }
+     */
+    if (my_SEC_StringToOID(&aOidData.oid, "1.2.840.113549.1.9.16.2.47", 0) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "my_SEC_StringToOID() failed");
+        return false;
+    }
+    comphelper::ScopeGuard aGuard(
+        [&aOidData] () { SECITEM_FreeItem(&aOidData.oid, false); } );
+    aOidData.offset = SEC_OID_UNKNOWN;
+    aOidData.desc = "id-aa-signingCertificateV2";
+    aOidData.mechanism = CKM_SHA_1;
+    aOidData.supportedExtension = UNSUPPORTED_CERT_EXTENSION;
+    aAttribute.typeTag = &aOidData;
+    aAttribute.type = aOidData.oid;
+    aAttribute.encoded = PR_TRUE;
+
+    if (my_NSS_CMSSignerInfo_AddAuthAttr(cms_signer, &aAttribute) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "my_NSS_CMSSignerInfo_AddAuthAttr() failed");
+        return false;
+    }
+
+    SECItem cms_output;
+    cms_output.data = nullptr;
+    cms_output.len = 0;
+    PLArenaPool *arena = PORT_NewArena(10000);
+    const ::comphelper::ScopeGuard aScopeGuard(
+        [&arena]() mutable { PORT_FreeArena(arena, true); } );
+    NSSCMSEncoderContext *cms_ecx;
+
+    // Possibly it would work to even just pass NULL for the password callback function and its
+    // argument here. After all, at least with the hardware token and associated software I tested
+    // with, the software itself pops up a dialog asking for the PIN (password). But I am not going
+    // to test it and risk locking up my token...
+
+    cms_ecx = NSS_CMSEncoder_Start(cms_msg, nullptr, nullptr, &cms_output, arena, PDFSigningPKCS7PasswordCallback,
+                                   const_cast<char*>(pass.getStr()), nullptr, nullptr, nullptr, nullptr);
+
+    if (!cms_ecx)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSEncoder_Start failed");
+        return false;
+    }
+
+    if (NSS_CMSEncoder_Finish(cms_ecx) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "NSS_CMSEncoder_Finish failed");
+        return false;
+    }
+
+    if (cms_output.len*2 > MAX_SIGNATURE_CONTENT_LENGTH)
+    {
+        SAL_WARN("svl.crypto", "Signature requires more space (" << cms_output.len*2 << ") than we reserved (" << MAX_SIGNATURE_CONTENT_LENGTH << ")");
+        NSS_CMSMessage_Destroy(cms_msg);
+        return false;
+    }
+
+    for (unsigned int i = 0; i < cms_output.len ; i++)
+        appendHex(cms_output.data[i], rCMSHexBuffer);
+
+    SECITEM_FreeItem(pEncodedCertificate, PR_TRUE);
+    NSS_CMSMessage_Destroy(cms_msg);
+
+    return true;
+
+#elif USE_CRYPTO_MSCAPI // ends USE_CRYPTO_NSS
+
+    PCCERT_CONTEXT pCertContext = CertCreateCertificateContext(X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, reinterpret_cast<const BYTE*>(aDerEncoded.getArray()), aDerEncoded.getLength());
+    if (pCertContext == nullptr)
+    {
+        SAL_WARN("svl.crypto", "CertCreateCertificateContext failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+
+    CRYPT_SIGN_MESSAGE_PARA aPara = {};
+    aPara.cbSize = sizeof(aPara);
+    aPara.dwMsgEncodingType = PKCS_7_ASN_ENCODING | X509_ASN_ENCODING;
+    aPara.pSigningCert = pCertContext;
+    aPara.HashAlgorithm.pszObjId = const_cast<LPSTR>(szOID_NIST_sha256);
+    aPara.HashAlgorithm.Parameters.cbData = 0;
+    aPara.cMsgCert = 1;
+    aPara.rgpMsgCert = &pCertContext;
+
+    NCRYPT_KEY_HANDLE hCryptKey = 0;
+    DWORD dwFlags = CRYPT_ACQUIRE_CACHE_FLAG | CRYPT_ACQUIRE_ONLY_NCRYPT_KEY_FLAG;
+    HCRYPTPROV_OR_NCRYPT_KEY_HANDLE* phCryptProvOrNCryptKey = &hCryptKey;
+    DWORD nKeySpec;
+    BOOL bFreeNeeded;
+
+    if (!CryptAcquireCertificatePrivateKey(pCertContext,
+                                           dwFlags,
+                                           nullptr,
+                                           phCryptProvOrNCryptKey,
+                                           &nKeySpec,
+                                           &bFreeNeeded))
+    {
+        SAL_WARN("svl.crypto", "CryptAcquireCertificatePrivateKey failed: " << WindowsErrorString(GetLastError()));
+        CertFreeCertificateContext(pCertContext);
+        return false;
+    }
+    assert(!bFreeNeeded);
+
+    CMSG_SIGNER_ENCODE_INFO aSignerInfo = {};
+    aSignerInfo.cbSize = sizeof(aSignerInfo);
+    aSignerInfo.pCertInfo = pCertContext->pCertInfo;
+    aSignerInfo.hNCryptKey = hCryptKey;
+    aSignerInfo.dwKeySpec = nKeySpec;
+    aSignerInfo.HashAlgorithm.pszObjId = const_cast<LPSTR>(szOID_NIST_sha256);
+    aSignerInfo.HashAlgorithm.Parameters.cbData = 0;
+
+    // Add the signing certificate as a signed attribute.
+    CRYPT_INTEGER_BLOB aCertificateBlob;
+    SvMemoryStream aEncodedCertificate;
+    if (!CreateSigningCertificateAttribute(aDerEncoded.getArray(), aDerEncoded.getLength(), pCertContext, aEncodedCertificate))
+    {
+        SAL_WARN("svl.crypto", "CreateSigningCertificateAttribute() failed");
+        return false;
+    }
+    aCertificateBlob.pbData = const_cast<BYTE*>(static_cast<const BYTE*>(aEncodedCertificate.GetData()));
+    aCertificateBlob.cbData = aEncodedCertificate.GetSize();
+    CRYPT_ATTRIBUTE aCertificateAttribute;
+    /*
+     * id-aa-signingCertificateV2 OBJECT IDENTIFIER ::=
+     * { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+     *   smime(16) id-aa(2) 47 }
+     */
+    aCertificateAttribute.pszObjId = const_cast<LPSTR>("1.2.840.113549.1.9.16.2.47");
+    aCertificateAttribute.cValue = 1;
+    aCertificateAttribute.rgValue = &aCertificateBlob;
+    aSignerInfo.cAuthAttr = 1;
+    aSignerInfo.rgAuthAttr = &aCertificateAttribute;
+
+    CMSG_SIGNED_ENCODE_INFO aSignedInfo = {};
+    aSignedInfo.cbSize = sizeof(aSignedInfo);
+    aSignedInfo.cSigners = 1;
+    aSignedInfo.rgSigners = &aSignerInfo;
+
+    CERT_BLOB aCertBlob;
+
+    aCertBlob.cbData = pCertContext->cbCertEncoded;
+    aCertBlob.pbData = pCertContext->pbCertEncoded;
+
+    aSignedInfo.cCertEncoded = 1;
+    aSignedInfo.rgCertEncoded = &aCertBlob;
+
+    HCRYPTMSG hMsg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                          CMSG_DETACHED_FLAG,
+                                          CMSG_SIGNED,
+                                          &aSignedInfo,
+                                          nullptr,
+                                          nullptr);
+    if (!hMsg)
+    {
+        SAL_WARN("svl.crypto", "CryptMsgOpenToEncode failed: " << WindowsErrorString(GetLastError()));
+        CertFreeCertificateContext(pCertContext);
+        return false;
+    }
+
+    for (size_t i = 0; i < m_dataBlocks.size(); ++i)
+    {
+        const bool last = (i == m_dataBlocks.size() - 1);
+        if (!CryptMsgUpdate(hMsg, static_cast<const BYTE *>(m_dataBlocks[i].first), m_dataBlocks[i].second, last))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgUpdate failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+    }
+
+    PCRYPT_TIMESTAMP_CONTEXT pTsContext = nullptr;
+
+    if( !m_aSignTSA.isEmpty() )
+    {
+        HCRYPTMSG hDecodedMsg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                                     CMSG_DETACHED_FLAG,
+                                                     CMSG_SIGNED,
+                                                     0,
+                                                     nullptr,
+                                                     nullptr);
+        if (!hDecodedMsg)
+        {
+            SAL_WARN("svl.crypto", "CryptMsgOpenToDecode failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        DWORD nTsSigLen = 0;
+
+        if (!CryptMsgGetParam(hMsg, CMSG_BARE_CONTENT_PARAM, 0, nullptr, &nTsSigLen))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_BARE_CONTENT_PARAM) failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        SAL_INFO("svl.crypto", "nTsSigLen=" << nTsSigLen);
+
+        std::unique_ptr<BYTE[]> pTsSig(new BYTE[nTsSigLen]);
+
+        if (!CryptMsgGetParam(hMsg, CMSG_BARE_CONTENT_PARAM, 0, pTsSig.get(), &nTsSigLen))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_BARE_CONTENT_PARAM) failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        if (!CryptMsgUpdate(hDecodedMsg, pTsSig.get(), nTsSigLen, TRUE))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgUpdate failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        DWORD nDecodedSignerInfoLen = 0;
+        if (!CryptMsgGetParam(hDecodedMsg, CMSG_SIGNER_INFO_PARAM, 0, nullptr, &nDecodedSignerInfoLen))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_SIGNER_INFO_PARAM) failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        std::unique_ptr<BYTE[]> pDecodedSignerInfoBuf(new BYTE[nDecodedSignerInfoLen]);
+
+        if (!CryptMsgGetParam(hDecodedMsg, CMSG_SIGNER_INFO_PARAM, 0, pDecodedSignerInfoBuf.get(), &nDecodedSignerInfoLen))
+        {
+            SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_SIGNER_INFO_PARAM) failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        CMSG_SIGNER_INFO *pDecodedSignerInfo = reinterpret_cast<CMSG_SIGNER_INFO *>(pDecodedSignerInfoBuf.get());
+
+        CRYPT_TIMESTAMP_PARA aTsPara;
+        unsigned int nNonce = comphelper::rng::uniform_uint_distribution(0, SAL_MAX_UINT32);
+
+        aTsPara.pszTSAPolicyId = nullptr;
+        aTsPara.fRequestCerts = TRUE;
+        aTsPara.Nonce.cbData = sizeof(nNonce);
+        aTsPara.Nonce.pbData = reinterpret_cast<BYTE *>(&nNonce);
+        aTsPara.cExtension = 0;
+        aTsPara.rgExtension = nullptr;
+
+        if (!CryptRetrieveTimeStamp(o3tl::toW(m_aSignTSA.getStr()),
+                     0,
+                     10000,
+                     szOID_NIST_sha256,
+                     &aTsPara,
+                     pDecodedSignerInfo->EncryptedHash.pbData,
+                     pDecodedSignerInfo->EncryptedHash.cbData,
+                     &pTsContext,
+                     nullptr,
+                     nullptr))
+        {
+            SAL_WARN("svl.crypto", "CryptRetrieveTimeStamp failed: " << WindowsErrorString(GetLastError()));
+            CryptMsgClose(hDecodedMsg);
+            CryptMsgClose(hMsg);
+            CertFreeCertificateContext(pCertContext);
+            return false;
+        }
+
+        SAL_INFO("svl.crypto", "Time stamp size is " << pTsContext->cbEncoded << " bytes");
+
+        // I tried to use CryptMsgControl() with CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR to add the
+        // timestamp, but that failed with "The parameter is incorrect". Probably it is too late to
+        // modify the message once its data has already been encoded as part of the
+        // CryptMsgGetParam() with CMSG_BARE_CONTENT_PARAM above. So close the message and re-do its
+        // creation steps, but now with an amended aSignerInfo.
+
+        CRYPT_INTEGER_BLOB aTimestampBlob;
+        aTimestampBlob.cbData = pTsContext->cbEncoded;
+        aTimestampBlob.pbData = pTsContext->pbEncoded;
+
+        CRYPT_ATTRIBUTE aTimestampAttribute;
+        aTimestampAttribute.pszObjId = const_cast<LPSTR>(
+            "1.2.840.113549.1.9.16.2.14");
+        aTimestampAttribute.cValue = 1;
+        aTimestampAttribute.rgValue = &aTimestampBlob;
+
+        aSignerInfo.cUnauthAttr = 1;
+        aSignerInfo.rgUnauthAttr = &aTimestampAttribute;
+
+        CryptMsgClose(hMsg);
+
+        hMsg = CryptMsgOpenToEncode(PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                    CMSG_DETACHED_FLAG,
+                                    CMSG_SIGNED,
+                                    &aSignedInfo,
+                                    nullptr,
+                                    nullptr);
+
+        for (size_t i = 0; i < m_dataBlocks.size(); ++i)
+        {
+            const bool last = (i == m_dataBlocks.size() - 1);
+            if (!hMsg ||
+                !CryptMsgUpdate(hMsg, static_cast<const BYTE *>(m_dataBlocks[i].first), m_dataBlocks[i].second, last))
+            {
+                SAL_WARN("svl.crypto", "Re-creating the message failed: " << WindowsErrorString(GetLastError()));
+                CryptMemFree(pTsContext);
+                CryptMsgClose(hDecodedMsg);
+                CryptMsgClose(hMsg);
+                CertFreeCertificateContext(pCertContext);
+                return false;
+            }
+        }
+
+        CryptMsgClose(hDecodedMsg);
+    }
+
+    DWORD nSigLen = 0;
+
+    if (!CryptMsgGetParam(hMsg, CMSG_CONTENT_PARAM, 0, nullptr, &nSigLen))
+    {
+        SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_CONTENT_PARAM) failed: " << WindowsErrorString(GetLastError()));
+        if (pTsContext)
+            CryptMemFree(pTsContext);
+        CryptMsgClose(hMsg);
+        CertFreeCertificateContext(pCertContext);
+        return false;
+    }
+
+    if (nSigLen*2 > MAX_SIGNATURE_CONTENT_LENGTH)
+    {
+        SAL_WARN("svl.crypto", "Signature requires more space (" << nSigLen*2 << ") than we reserved (" << MAX_SIGNATURE_CONTENT_LENGTH << ")");
+        if (pTsContext)
+            CryptMemFree(pTsContext);
+        CryptMsgClose(hMsg);
+        CertFreeCertificateContext(pCertContext);
+        return false;
+    }
+
+    SAL_INFO("svl.crypto", "Signature size is " << nSigLen << " bytes");
+    std::unique_ptr<BYTE[]> pSig(new BYTE[nSigLen]);
+
+    if (!CryptMsgGetParam(hMsg, CMSG_CONTENT_PARAM, 0, pSig.get(), &nSigLen))
+    {
+        SAL_WARN("svl.crypto", "CryptMsgGetParam(CMSG_CONTENT_PARAM) failed: " << WindowsErrorString(GetLastError()));
+        if (pTsContext)
+            CryptMemFree(pTsContext);
+        CryptMsgClose(hMsg);
+        CertFreeCertificateContext(pCertContext);
+        return false;
+    }
+
+    // Release resources
+    if (pTsContext)
+        CryptMemFree(pTsContext);
+    CryptMsgClose(hMsg);
+    CertFreeCertificateContext(pCertContext);
+
+    for (unsigned int i = 0; i < nSigLen ; i++)
+        appendHex(pSig[i], rCMSHexBuffer);
+
+    return true;
+#endif // USE_CRYPTO_MSCAPI
+#endif // USE_CRYPTO_ANY
+}
+
+namespace
+{
+#if USE_CRYPTO_NSS
+/// Similar to NSS_CMSAttributeArray_FindAttrByOidTag(), but works directly with a SECOidData.
+NSSCMSAttribute* CMSAttributeArray_FindAttrByOidData(NSSCMSAttribute** attrs, SECOidData const * oid, PRBool only)
+{
+    NSSCMSAttribute* attr1, *attr2;
+
+    if (attrs == nullptr)
+        return nullptr;
+
+    if (oid == nullptr)
+        return nullptr;
+
+    while ((attr1 = *attrs++) != nullptr)
+    {
+        if (attr1->type.len == oid->oid.len && PORT_Memcmp(attr1->type.data,
+                oid->oid.data,
+                oid->oid.len) == 0)
+            break;
+    }
+
+    if (attr1 == nullptr)
+        return nullptr;
+
+    if (!only)
+        return attr1;
+
+    while ((attr2 = *attrs++) != nullptr)
+    {
+        if (attr2->type.len == oid->oid.len && PORT_Memcmp(attr2->type.data,
+                oid->oid.data,
+                oid->oid.len) == 0)
+            break;
+    }
+
+    if (attr2 != nullptr)
+        return nullptr;
+
+    return attr1;
+}
+
+/// Same as SEC_StringToOID(), which is private to us.
+SECStatus StringToOID(SECItem* to, const char* from, PRUint32 len)
+{
+    PRUint32 decimal_numbers = 0;
+    PRUint32 result_bytes = 0;
+    SECStatus rv;
+    PRUint8 result[1024];
+
+    static const PRUint32 max_decimal = 0xffffffff / 10;
+    static const char OIDstring[] = {"OID."};
+
+    if (!from || !to)
+    {
+        PORT_SetError(SEC_ERROR_INVALID_ARGS);
+        return SECFailure;
+    }
+    if (!len)
+    {
+        len = PL_strlen(from);
+    }
+    if (len >= 4 && !PL_strncasecmp(from, OIDstring, 4))
+    {
+        from += 4; /* skip leading "OID." if present */
+        len  -= 4;
+    }
+    if (!len)
+    {
+bad_data:
+        PORT_SetError(SEC_ERROR_BAD_DATA);
+        return SECFailure;
+    }
+    do
+    {
+        PRUint32 decimal = 0;
+        while (len > 0 && rtl::isAsciiDigit(static_cast<unsigned char>(*from)))
+        {
+            PRUint32 addend = *from++ - '0';
+            --len;
+            if (decimal > max_decimal)  /* overflow */
+                goto bad_data;
+            decimal = (decimal * 10) + addend;
+            if (decimal < addend)   /* overflow */
+                goto bad_data;
+        }
+        if (len != 0 && *from != '.')
+        {
+            goto bad_data;
+        }
+        if (decimal_numbers == 0)
+        {
+            if (decimal > 2)
+                goto bad_data;
+            result[0] = decimal * 40;
+            result_bytes = 1;
+        }
+        else if (decimal_numbers == 1)
+        {
+            if (decimal > 40)
+                goto bad_data;
+            result[0] += decimal;
+        }
+        else
+        {
+            /* encode the decimal number,  */
+            PRUint8* rp;
+            PRUint32 num_bytes = 0;
+            PRUint32 tmp = decimal;
+            while (tmp)
+            {
+                num_bytes++;
+                tmp >>= 7;
+            }
+            if (!num_bytes)
+                ++num_bytes;  /* use one byte for a zero value */
+            if (static_cast<size_t>(num_bytes) + result_bytes > sizeof result)
+                goto bad_data;
+            tmp = num_bytes;
+            rp = result + result_bytes - 1;
+            rp[tmp] = static_cast<PRUint8>(decimal & 0x7f);
+            decimal >>= 7;
+            while (--tmp > 0)
+            {
+                rp[tmp] = static_cast<PRUint8>(decimal | 0x80);
+                decimal >>= 7;
+            }
+            result_bytes += num_bytes;
+        }
+        ++decimal_numbers;
+        if (len > 0)   /* skip trailing '.' */
+        {
+            ++from;
+            --len;
+        }
+    }
+    while (len > 0);
+    /* now result contains result_bytes of data */
+    if (to->data && to->len >= result_bytes)
+    {
+        to->len = result_bytes;
+        PORT_Memcpy(to->data, result, to->len);
+        rv = SECSuccess;
+    }
+    else
+    {
+        SECItem result_item = {siBuffer, nullptr, 0 };
+        result_item.data = result;
+        result_item.len  = result_bytes;
+        rv = SECITEM_CopyItem(nullptr, to, &result_item);
+    }
+    return rv;
+}
+
+#elif USE_CRYPTO_MSCAPI // ends USE_CRYPTO_NSS
+
+/// Verifies a non-detached signature using CryptoAPI.
+bool VerifyNonDetachedSignature(const std::vector<unsigned char>& aData, const std::vector<BYTE>& rExpectedHash)
+{
+    HCRYPTPROV hProv = 0;
+    if (!CryptAcquireContextW(&hProv, nullptr, nullptr, PROV_RSA_AES, CRYPT_VERIFYCONTEXT))
+    {
+        SAL_WARN("svl.crypto", "CryptAcquireContext() failed");
+        return false;
+    }
+
+    HCRYPTHASH hHash = 0;
+    if (!CryptCreateHash(hProv, CALG_SHA1, 0, 0, &hHash))
+    {
+        SAL_WARN("svl.crypto", "CryptCreateHash() failed");
+        return false;
+    }
+
+    if (!CryptHashData(hHash, aData.data(), aData.size(), 0))
+    {
+        SAL_WARN("svl.crypto", "CryptHashData() failed");
+        return false;
+    }
+
+    DWORD nActualHash = 0;
+    if (!CryptGetHashParam(hHash, HP_HASHVAL, nullptr, &nActualHash, 0))
+    {
+        SAL_WARN("svl.crypto", "CryptGetHashParam() failed to provide the hash length");
+        return false;
+    }
+
+    std::vector<unsigned char> aActualHash(nActualHash);
+    if (!CryptGetHashParam(hHash, HP_HASHVAL, aActualHash.data(), &nActualHash, 0))
+    {
+        SAL_WARN("svl.crypto", "CryptGetHashParam() failed to provide the hash");
+        return false;
+    }
+
+    CryptDestroyHash(hHash);
+    CryptReleaseContext(hProv, 0);
+
+    return aActualHash.size() == rExpectedHash.size() &&
+           !std::memcmp(aActualHash.data(), rExpectedHash.data(), aActualHash.size());
+}
+
+OUString GetSubjectName(PCCERT_CONTEXT pCertContext)
+{
+    OUString subjectName;
+
+    // Get Subject name size.
+    DWORD dwData = CertGetNameStringW(pCertContext,
+                                      CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                                      0,
+                                      nullptr,
+                                      nullptr,
+                                      0);
+    if (!dwData)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CertGetNameString failed");
+        return subjectName;
+    }
+
+    // Allocate memory for subject name.
+    LPWSTR szName = static_cast<LPWSTR>(
+        LocalAlloc(LPTR, dwData * sizeof(WCHAR)));
+    if (!szName)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: Unable to allocate memory for subject name");
+        return subjectName;
+    }
+
+    // Get subject name.
+    if (!CertGetNameStringW(pCertContext,
+                            CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                            0,
+                            nullptr,
+                            szName,
+                            dwData))
+    {
+        LocalFree(szName);
+        SAL_WARN("svl.crypto", "ValidateSignature: CertGetNameString failed");
+        return subjectName;
+    }
+
+    subjectName = o3tl::toU(szName);
+    LocalFree(szName);
+
+    return subjectName;
+}
+#endif // USE_CRYPTO_MSCAPI
+
+#if USE_CRYPTO_NSS
+    void ensureNssInit()
+    {
+        // e.g. tdf#122599 ensure NSS library is initialized for NSS_CMSMessage_CreateFromDER
+        css::uno::Reference<css::xml::crypto::XNSSInitializer>
+            xNSSInitializer = css::xml::crypto::NSSInitializer::create(comphelper::getProcessComponentContext());
+
+        // this calls NSS_Init
+        xNSSInitializer->getDigestContext(css::xml::crypto::DigestID::SHA256,
+                                          uno::Sequence<beans::NamedValue>());
+    }
+#endif
+} // anonymous namespace
+
+bool Signing::Verify(const std::vector<unsigned char>& aData,
+                     const bool bNonDetached,
+                     const std::vector<unsigned char>& aSignature,
+                     SignatureInformation& rInformation)
+{
+#if USE_CRYPTO_NSS
+    // ensure NSS_Init() is called before using NSS_CMSMessage_CreateFromDER
+    static std::once_flag aInitOnce;
+    std::call_once(aInitOnce, ensureNssInit);
+
+    // Validate the signature.
+    SECItem aSignatureItem;
+    aSignatureItem.data = const_cast<unsigned char*>(aSignature.data());
+    aSignatureItem.len = aSignature.size();
+    NSSCMSMessage* pCMSMessage = NSS_CMSMessage_CreateFromDER(&aSignatureItem,
+                                 /*cb=*/nullptr,
+                                 /*cb_arg=*/nullptr,
+                                 /*pwfn=*/nullptr,
+                                 /*pwfn_arg=*/nullptr,
+                                 /*decrypt_key_cb=*/nullptr,
+                                 /*decrypt_key_cb_arg=*/nullptr);
+    if (!NSS_CMSMessage_IsSigned(pCMSMessage))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: message is not signed");
+        return false;
+    }
+
+    NSSCMSContentInfo* pCMSContentInfo = NSS_CMSMessage_ContentLevel(pCMSMessage, 0);
+    if (!pCMSContentInfo)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: NSS_CMSMessage_ContentLevel() failed");
+        return false;
+    }
+
+    auto pCMSSignedData = static_cast<NSSCMSSignedData*>(NSS_CMSContentInfo_GetContent(pCMSContentInfo));
+    if (!pCMSSignedData)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: NSS_CMSContentInfo_GetContent() failed");
+        return false;
+    }
+
+    // Import certificates from the signed data temporarily, so it'll be
+    // possible to verify the signature, even if we didn't have the certificate
+    // previously.
+    std::vector<CERTCertificate*> aDocumentCertificates;
+    for (size_t i = 0; pCMSSignedData->rawCerts[i]; ++i)
+        aDocumentCertificates.push_back(CERT_NewTempCertificate(CERT_GetDefaultCertDB(), pCMSSignedData->rawCerts[i], nullptr, 0, 0));
+
+    NSSCMSSignerInfo* pCMSSignerInfo = NSS_CMSSignedData_GetSignerInfo(pCMSSignedData, 0);
+    if (!pCMSSignerInfo)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: NSS_CMSSignedData_GetSignerInfo() failed");
+        return false;
+    }
+
+    SECItem aAlgorithm = NSS_CMSSignedData_GetDigestAlgs(pCMSSignedData)[0]->algorithm;
+    SECOidTag eOidTag = SECOID_FindOIDTag(&aAlgorithm);
+
+    // Map a sign algorithm to a digest algorithm.
+    // See NSS_CMSUtil_MapSignAlgs(), which is private to us.
+    switch (eOidTag)
+    {
+    case SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION:
+        eOidTag = SEC_OID_SHA1;
+        break;
+    case SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION:
+        eOidTag = SEC_OID_SHA256;
+        break;
+    case SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION:
+        eOidTag = SEC_OID_SHA512;
+        break;
+    default:
+        break;
+    }
+
+    HASH_HashType eHashType = HASH_GetHashTypeByOidTag(eOidTag);
+    HASHContext* pHASHContext = HASH_Create(eHashType);
+    if (!pHASHContext)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: HASH_Create() failed");
+        return false;
+    }
+
+    // We have a hash, update it with the byte ranges.
+    HASH_Update(pHASHContext, aData.data(), aData.size());
+
+    // Find out what is the expected length of the hash.
+    unsigned int nMaxResultLen = 0;
+    switch (eOidTag)
+    {
+    case SEC_OID_SHA1:
+        nMaxResultLen = comphelper::SHA1_HASH_LENGTH;
+        rInformation.nDigestID = xml::crypto::DigestID::SHA1;
+        break;
+    case SEC_OID_SHA256:
+        nMaxResultLen = comphelper::SHA256_HASH_LENGTH;
+        rInformation.nDigestID = xml::crypto::DigestID::SHA256;
+        break;
+    case SEC_OID_SHA512:
+        nMaxResultLen = comphelper::SHA512_HASH_LENGTH;
+        rInformation.nDigestID = xml::crypto::DigestID::SHA512;
+        break;
+    default:
+        SAL_WARN("svl.crypto", "ValidateSignature: unrecognized algorithm");
+        return false;
+    }
+
+    auto pActualResultBuffer = static_cast<unsigned char*>(PORT_Alloc(nMaxResultLen));
+    unsigned int nActualResultLen;
+    HASH_End(pHASHContext, pActualResultBuffer, &nActualResultLen, nMaxResultLen);
+
+    CERTCertificate* pCertificate = NSS_CMSSignerInfo_GetSigningCertificate(pCMSSignerInfo, CERT_GetDefaultCertDB());
+    if (!pCertificate)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: NSS_CMSSignerInfo_GetSigningCertificate() failed");
+        return false;
+    }
+    else
+    {
+        uno::Sequence<sal_Int8> aDerCert(pCertificate->derCert.len);
+        auto aDerCertRange = asNonConstRange(aDerCert);
+        for (size_t i = 0; i < pCertificate->derCert.len; ++i)
+            aDerCertRange[i] = pCertificate->derCert.data[i];
+        OUStringBuffer aBuffer;
+        comphelper::Base64::encode(aBuffer, aDerCert);
+        SignatureInformation::X509Data temp;
+        temp.emplace_back();
+        temp.back().X509Certificate = aBuffer.makeStringAndClear();
+        temp.back().X509Subject = OUString(pCertificate->subjectName, PL_strlen(pCertificate->subjectName), RTL_TEXTENCODING_UTF8);
+        rInformation.X509Datas.clear();
+        rInformation.X509Datas.emplace_back(temp);
+    }
+
+    PRTime nSigningTime;
+    // This may fail, in which case the date should be taken from the PDF's dictionary's "M" key,
+    // so not critical for PDF at least.
+    if (NSS_CMSSignerInfo_GetSigningTime(pCMSSignerInfo, &nSigningTime) == SECSuccess)
+    {
+        // First convert the UTC UNIX timestamp to a tools::DateTime.
+        // nSigningTime is in microseconds.
+        DateTime aDateTime = DateTime::CreateFromUnixTime(static_cast<double>(nSigningTime) / 1000000);
+
+        // Then convert to a local UNO DateTime.
+        aDateTime.ConvertToLocalTime();
+        rInformation.stDateTime = aDateTime.GetUNODateTime();
+        if (rInformation.ouDateTime.isEmpty())
+        {
+            OUStringBuffer rBuffer;
+            rBuffer.append(static_cast<sal_Int32>(aDateTime.GetYear()));
+            rBuffer.append('-');
+            if (aDateTime.GetMonth() < 10)
+                rBuffer.append('0');
+            rBuffer.append(static_cast<sal_Int32>(aDateTime.GetMonth()));
+            rBuffer.append('-');
+            if (aDateTime.GetDay() < 10)
+                rBuffer.append('0');
+            rBuffer.append(static_cast<sal_Int32>(aDateTime.GetDay()));
+            rInformation.ouDateTime = rBuffer.makeStringAndClear();
+        }
+    }
+
+    // Check if we have a signing certificate attribute.
+    SECOidData aOidData;
+    aOidData.oid.data = nullptr;
+    /*
+     * id-aa-signingCertificateV2 OBJECT IDENTIFIER ::=
+     * { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+     *   smime(16) id-aa(2) 47 }
+     */
+    if (StringToOID(&aOidData.oid, "1.2.840.113549.1.9.16.2.47", 0) != SECSuccess)
+    {
+        SAL_WARN("svl.crypto", "StringToOID() failed");
+        return false;
+    }
+    aOidData.offset = SEC_OID_UNKNOWN;
+    aOidData.desc = "id-aa-signingCertificateV2";
+    aOidData.mechanism = CKM_SHA_1;
+    aOidData.supportedExtension = UNSUPPORTED_CERT_EXTENSION;
+    NSSCMSAttribute* pAttribute = CMSAttributeArray_FindAttrByOidData(pCMSSignerInfo->authAttr, &aOidData, PR_TRUE);
+    if (pAttribute)
+        rInformation.bHasSigningCertificate = true;
+
+    SECItem* pContentInfoContentData = pCMSSignedData->contentInfo.content.data;
+    if (bNonDetached && pContentInfoContentData && pContentInfoContentData->data)
+    {
+        // Not a detached signature.
+        if (!std::memcmp(pActualResultBuffer, pContentInfoContentData->data, nMaxResultLen) && nActualResultLen == pContentInfoContentData->len)
+            rInformation.nStatus = xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED;
+    }
+    else
+    {
+        // Detached, the usual case.
+        SECItem aActualResultItem;
+        aActualResultItem.data = pActualResultBuffer;
+        aActualResultItem.len = nActualResultLen;
+        if (NSS_CMSSignerInfo_Verify(pCMSSignerInfo, &aActualResultItem, nullptr) == SECSuccess)
+            rInformation.nStatus = xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED;
+    }
+
+    // Everything went fine
+    SECITEM_FreeItem(&aOidData.oid, false);
+    PORT_Free(pActualResultBuffer);
+    HASH_Destroy(pHASHContext);
+    NSS_CMSSignerInfo_Destroy(pCMSSignerInfo);
+    for (auto pDocumentCertificate : aDocumentCertificates)
+        CERT_DestroyCertificate(pDocumentCertificate);
+
+    return true;
+
+#elif USE_CRYPTO_MSCAPI // ends USE_CRYPTO_NSS
+
+    // Open a message for decoding.
+    HCRYPTMSG hMsg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                          CMSG_DETACHED_FLAG,
+                                          0,
+                                          0,
+                                          nullptr,
+                                          nullptr);
+    if (!hMsg)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgOpenToDecode() failed");
+        return false;
+    }
+
+    // Update the message with the encoded header blob.
+    if (!CryptMsgUpdate(hMsg, aSignature.data(), aSignature.size(), TRUE))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature, CryptMsgUpdate() for the header failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+
+    // Update the message with the content blob.
+    if (!CryptMsgUpdate(hMsg, aData.data(), aData.size(), FALSE))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature, CryptMsgUpdate() for the content failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+
+    if (!CryptMsgUpdate(hMsg, nullptr, 0, TRUE))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature, CryptMsgUpdate() for the last content failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+
+    // Get the CRYPT_ALGORITHM_IDENTIFIER from the message.
+    DWORD nDigestID = 0;
+    if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_HASH_ALGORITHM_PARAM, 0, nullptr, &nDigestID))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+    std::unique_ptr<BYTE[]> pDigestBytes(new BYTE[nDigestID]);
+    if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_HASH_ALGORITHM_PARAM, 0, pDigestBytes.get(), &nDigestID))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed: " << WindowsErrorString(GetLastError()));
+        return false;
+    }
+    auto pDigestID = reinterpret_cast<CRYPT_ALGORITHM_IDENTIFIER*>(pDigestBytes.get());
+    if (std::string_view(szOID_NIST_sha256) == pDigestID->pszObjId)
+        rInformation.nDigestID = xml::crypto::DigestID::SHA256;
+    else if (std::string_view(szOID_RSA_SHA1RSA) == pDigestID->pszObjId || std::string_view(szOID_OIWSEC_sha1) == pDigestID->pszObjId)
+        rInformation.nDigestID = xml::crypto::DigestID::SHA1;
+    else
+        // Don't error out here, we can still verify the message digest correctly, just the digest ID won't be set.
+        SAL_WARN("svl.crypto", "ValidateSignature: unhandled algorithm identifier '"<<pDigestID->pszObjId<<"'");
+
+    // Get the signer CERT_INFO from the message.
+    DWORD nSignerCertInfo = 0;
+    if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_CERT_INFO_PARAM, 0, nullptr, &nSignerCertInfo))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed");
+        return false;
+    }
+    std::unique_ptr<BYTE[]> pSignerCertInfoBuf(new BYTE[nSignerCertInfo]);
+    if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_CERT_INFO_PARAM, 0, pSignerCertInfoBuf.get(), &nSignerCertInfo))
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed");
+        return false;
+    }
+    PCERT_INFO pSignerCertInfo = reinterpret_cast<PCERT_INFO>(pSignerCertInfoBuf.get());
+
+    // Open a certificate store in memory using CERT_STORE_PROV_MSG, which
+    // initializes it with the certificates from the message.
+    HCERTSTORE hStoreHandle = CertOpenStore(CERT_STORE_PROV_MSG,
+                                            PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                            0,
+                                            0,
+                                            hMsg);
+    if (!hStoreHandle)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CertOpenStore() failed");
+        return false;
+    }
+
+    // Find the signer's certificate in the store.
+    PCCERT_CONTEXT pSignerCertContext = CertGetSubjectCertificateFromStore(hStoreHandle,
+                                        PKCS_7_ASN_ENCODING | X509_ASN_ENCODING,
+                                        pSignerCertInfo);
+    if (!pSignerCertContext)
+    {
+        SAL_WARN("svl.crypto", "ValidateSignature: CertGetSubjectCertificateFromStore() failed");
+        return false;
+    }
+    else
+    {
+        // Write rInformation.ouX509Certificate.
+        uno::Sequence<sal_Int8> aDerCert(pSignerCertContext->cbCertEncoded);
+        std::copy_n(pSignerCertContext->pbCertEncoded, pSignerCertContext->cbCertEncoded,
+                    aDerCert.getArray());
+        OUStringBuffer aBuffer;
+        comphelper::Base64::encode(aBuffer, aDerCert);
+        SignatureInformation::X509Data temp;
+        temp.emplace_back();
+        temp.back().X509Certificate = aBuffer.makeStringAndClear();
+        temp.back().X509Subject = GetSubjectName(pSignerCertContext);
+        rInformation.X509Datas.clear();
+        rInformation.X509Datas.emplace_back(temp);
+    }
+
+    if (bNonDetached)
+    {
+        // Not a detached signature.
+        DWORD nContentParam = 0;
+        if (!CryptMsgGetParam(hMsg, CMSG_CONTENT_PARAM, 0, nullptr, &nContentParam))
+        {
+            SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed");
+            return false;
+        }
+
+        std::vector<BYTE> aContentParam(nContentParam);
+        if (!CryptMsgGetParam(hMsg, CMSG_CONTENT_PARAM, 0, aContentParam.data(), &nContentParam))
+        {
+            SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() failed");
+            return false;
+        }
+
+        if (VerifyNonDetachedSignature(aData, aContentParam))
+            rInformation.nStatus = xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED;
+    }
+    else
+    {
+        // Detached, the usual case.
+        // Use the CERT_INFO from the signer certificate to verify the signature.
+        if (CryptMsgControl(hMsg, 0, CMSG_CTRL_VERIFY_SIGNATURE, pSignerCertContext->pCertInfo))
+            rInformation.nStatus = xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED;
+    }
+
+    // Check if we have a signing certificate attribute.
+    DWORD nSignedAttributes = 0;
+    if (CryptMsgGetParam(hMsg, CMSG_SIGNER_AUTH_ATTR_PARAM, 0, nullptr, &nSignedAttributes))
+    {
+        std::unique_ptr<BYTE[]> pSignedAttributesBuf(new BYTE[nSignedAttributes]);
+        if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_AUTH_ATTR_PARAM, 0, pSignedAttributesBuf.get(), &nSignedAttributes))
+        {
+            SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() authenticated failed");
+            return false;
+        }
+        auto pSignedAttributes = reinterpret_cast<PCRYPT_ATTRIBUTES>(pSignedAttributesBuf.get());
+        for (size_t nAttr = 0; nAttr < pSignedAttributes->cAttr; ++nAttr)
+        {
+            CRYPT_ATTRIBUTE& rAttr = pSignedAttributes->rgAttr[nAttr];
+            /*
+             * id-aa-signingCertificateV2 OBJECT IDENTIFIER ::=
+             * { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+             *   smime(16) id-aa(2) 47 }
+             */
+            if (std::string_view("1.2.840.113549.1.9.16.2.47") == rAttr.pszObjId)
+            {
+                rInformation.bHasSigningCertificate = true;
+                break;
+            }
+        }
+    }
+
+    // Get the unauthorized attributes.
+    nSignedAttributes = 0;
+    if (CryptMsgGetParam(hMsg, CMSG_SIGNER_UNAUTH_ATTR_PARAM, 0, nullptr, &nSignedAttributes))
+    {
+        std::unique_ptr<BYTE[]> pSignedAttributesBuf(new BYTE[nSignedAttributes]);
+        if (!CryptMsgGetParam(hMsg, CMSG_SIGNER_UNAUTH_ATTR_PARAM, 0, pSignedAttributesBuf.get(), &nSignedAttributes))
+        {
+            SAL_WARN("svl.crypto", "ValidateSignature: CryptMsgGetParam() unauthenticated failed");
+            return false;
+        }
+        auto pSignedAttributes = reinterpret_cast<PCRYPT_ATTRIBUTES>(pSignedAttributesBuf.get());
+        for (size_t nAttr = 0; nAttr < pSignedAttributes->cAttr; ++nAttr)
+        {
+            CRYPT_ATTRIBUTE& rAttr = pSignedAttributes->rgAttr[nAttr];
+            // Timestamp blob
+            if (std::string_view("1.2.840.113549.1.9.16.2.14") == rAttr.pszObjId)
+            {
+                PCRYPT_TIMESTAMP_CONTEXT pTsContext;
+                if (!CryptVerifyTimeStampSignature(rAttr.rgValue->pbData, rAttr.rgValue->cbData, nullptr, 0, nullptr, &pTsContext, nullptr, nullptr))
+                {
+                    SAL_WARN("svl.crypto", "CryptMsgUpdate failed: " << WindowsErrorString(GetLastError()));
+                    break;
+                }
+
+                DateTime aDateTime = DateTime::CreateFromWin32FileDateTime(pTsContext->pTimeStamp->ftTime.dwLowDateTime, pTsContext->pTimeStamp->ftTime.dwHighDateTime);
+
+                // Then convert to a local UNO DateTime.
+                aDateTime.ConvertToLocalTime();
+                rInformation.stDateTime = aDateTime.GetUNODateTime();
+                if (rInformation.ouDateTime.isEmpty())
+                {
+                    OUStringBuffer rBuffer;
+                    rBuffer.append(static_cast<sal_Int32>(aDateTime.GetYear()));
+                    rBuffer.append('-');
+                    if (aDateTime.GetMonth() < 10)
+                        rBuffer.append('0');
+                    rBuffer.append(static_cast<sal_Int32>(aDateTime.GetMonth()));
+                    rBuffer.append('-');
+                    if (aDateTime.GetDay() < 10)
+                        rBuffer.append('0');
+                    rBuffer.append(static_cast<sal_Int32>(aDateTime.GetDay()));
+                    rInformation.ouDateTime = rBuffer.makeStringAndClear();
+                }
+                break;
+            }
+        }
+    }
+
+    CertCloseStore(hStoreHandle, CERT_CLOSE_STORE_FORCE_FLAG);
+    CryptMsgClose(hMsg);
+    return true;
+#else
+    // Not implemented.
+    (void)aData;
+    (void)bNonDetached;
+    (void)aSignature;
+    (void)rInformation;
+    return false;
+#endif
+}
+
+bool Signing::Verify(SvStream& rStream,
+                     const std::vector<std::pair<size_t, size_t>>& aByteRanges,
+                     const bool bNonDetached,
+                     const std::vector<unsigned char>& aSignature,
+                     SignatureInformation& rInformation)
+{
+#if USE_CRYPTO_ANY
+    std::vector<unsigned char> buffer;
+
+    // Copy the byte ranges into a single buffer.
+    for (const auto& rByteRange : aByteRanges)
+    {
+        rStream.Seek(rByteRange.first);
+        const size_t size = buffer.size();
+        buffer.resize(size + rByteRange.second);
+        rStream.ReadBytes(buffer.data() + size, rByteRange.second);
+    }
+
+    return Verify(buffer, bNonDetached, aSignature, rInformation);
+
+#else
+    // Not implemented.
+    (void)rStream;
+    (void)aByteRanges;
+    (void)bNonDetached;
+    (void)aSignature;
+    (void)rInformation;
+    return false;
+#endif
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/filepicker/pickerhistory.cxx b/svl/source/filepicker/pickerhistory.cxx
new file mode 100644
index 0000000000..4f15847607
--- /dev/null
+++ b/svl/source/filepicker/pickerhistory.cxx
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/pickerhistoryaccess.hxx>
+#include <cppuhelper/weakref.hxx>
+#include <vector>
+
+namespace svt
+{
+    using namespace ::com::sun::star::uno;
+
+    namespace
+    {
+        typedef ::std::vector< css::uno::WeakReference< XInterface >  >  InterfaceArray;
+
+
+        InterfaceArray& getFolderPickerHistory()
+        {
+            static InterfaceArray s_aHistory;
+            return s_aHistory;
+        }
+
+
+        InterfaceArray& getFilePickerHistory()
+        {
+            static InterfaceArray s_aHistory;
+            return s_aHistory;
+        }
+
+
+        void implPushBackPicker( InterfaceArray& _rHistory, const Reference< XInterface >& _rxPicker )
+        {
+            if ( !_rxPicker.is() )
+                return;
+
+            // first, check which of the objects we hold in s_aHistory can be removed
+            std::erase_if(_rHistory, [](const css::uno::WeakReference< XInterface > & x) { return !x.get().is(); });
+
+            // then push_back the picker
+            _rHistory.emplace_back( _rxPicker );
+        }
+    }
+
+    void addFolderPicker( const Reference< XInterface >& _rxPicker )
+    {
+        implPushBackPicker( getFolderPickerHistory(), _rxPicker );
+    }
+
+    void addFilePicker( const Reference< XInterface >& _rxPicker )
+    {
+        implPushBackPicker( getFilePickerHistory(), _rxPicker );
+    }
+
+}   // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/fsfactory.cxx b/svl/source/fsstor/fsfactory.cxx
new file mode 100644
index 0000000000..ed88fe789b
--- /dev/null
+++ b/svl/source/fsstor/fsfactory.cxx
@@ -0,0 +1,155 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <fsfactory.hxx>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/io/IOException.hpp>
+#include <comphelper/processfactory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/weak.hxx>
+#include <ucbhelper/content.hxx>
+
+#include <unotools/tempfile.hxx>
+#include <unotools/ucbhelper.hxx>
+
+#include "fsstorage.hxx"
+
+
+using namespace ::com::sun::star;
+
+
+uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstance()
+{
+    OUString aTempURL = ::utl::CreateTempURL( nullptr, true );
+    if ( aTempURL.isEmpty() )
+        throw uno::RuntimeException("Cannot create tempfile.");
+
+    ::ucbhelper::Content aResultContent(
+        aTempURL, uno::Reference< ucb::XCommandEnvironment >(),
+        comphelper::getProcessComponentContext() );
+
+    return cppu::getXWeak(
+            new FSStorage(  aResultContent,
+                            embed::ElementModes::READWRITE,
+                            m_xContext ) );
+}
+
+/**
+ * The request for storage can be done with up to three arguments.
+ * The first argument specifies a source for the storage it must be URL.
+ * The second value is a mode the storage should be open in.
+ * The third value is a media descriptor.
+ */
+uno::Reference< uno::XInterface > SAL_CALL FSStorageFactory::createInstanceWithArguments(
+            const uno::Sequence< uno::Any >& aArguments )
+{
+    sal_Int32 nArgNum = aArguments.getLength();
+    OSL_ENSURE( nArgNum < 4, "Wrong parameter number" );
+
+    if ( !nArgNum )
+        return createInstance();
+
+    // first try to retrieve storage open mode if any
+    // by default the storage will be open in readonly mode
+    sal_Int32 nStorageMode = embed::ElementModes::READ;
+    if ( nArgNum >= 2 )
+    {
+        if( !( aArguments[1] >>= nStorageMode ) )
+        {
+            throw lang::IllegalArgumentException(
+                ("second argument to css.embed.FileSystemStorageFactory."
+                 "createInstanceWithArguments must be a"
+                 " css.embed.ElementModes"),
+                getXWeak(), -1);
+        }
+        // it's always possible to read written storage in this implementation
+        nStorageMode |= embed::ElementModes::READ;
+    }
+
+    // retrieve storage source URL
+    OUString aURL;
+
+    if ( !( aArguments[0] >>= aURL ) || aURL.isEmpty() )
+    {
+        throw lang::IllegalArgumentException(
+            ("first argument to"
+             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"
+             " must be a (non-empty) URL"),
+            getXWeak(), -1);
+    }
+
+    // allow to use other ucp's
+    // if ( !isLocalNotFile_Impl( aURL ) )
+    if ( aURL.startsWithIgnoreAsciiCase("vnd.sun.star.pkg:")
+      || aURL.startsWithIgnoreAsciiCase("vnd.sun.star.zip:")
+      || ::utl::UCBContentHelper::IsDocument( aURL ) )
+    {
+        throw lang::IllegalArgumentException(
+            ("URL \"" + aURL + "\" passed as first argument to"
+             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"
+             " must be a file URL denoting a directory"),
+            getXWeak(), -1);
+    }
+
+    if ( ( nStorageMode & embed::ElementModes::WRITE ) && !( nStorageMode & embed::ElementModes::NOCREATE ) )
+        FSStorage::MakeFolderNoUI( aURL );
+    else if ( !::utl::UCBContentHelper::IsFolder( aURL ) )
+        throw io::IOException(
+            ("URL \"" + aURL + "\" passed to"
+             " css.embed.FileSystemStorageFactory.createInstanceWithArguments"
+             " does not denote an existing directory"),
+            getXWeak());
+
+    ::ucbhelper::Content aResultContent(
+        aURL, uno::Reference< ucb::XCommandEnvironment >(),
+        comphelper::getProcessComponentContext() );
+
+    // create storage based on source
+    return cppu::getXWeak( new FSStorage( aResultContent,
+                                                    nStorageMode,
+                                                    m_xContext ) );
+}
+
+OUString SAL_CALL FSStorageFactory::getImplementationName()
+{
+    return "com.sun.star.comp.embed.FileSystemStorageFactory";
+}
+
+sal_Bool SAL_CALL FSStorageFactory::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL FSStorageFactory::getSupportedServiceNames()
+{
+    return { "com.sun.star.embed.FileSystemStorageFactory",
+                "com.sun.star.comp.embed.FileSystemStorageFactory" };
+}
+
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+svl_FSStorageFactory_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new FSStorageFactory(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/fsstorage.component b/svl/source/fsstor/fsstorage.component
new file mode 100644
index 0000000000..7d20474b36
--- /dev/null
+++ b/svl/source/fsstor/fsstorage.component
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+    xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="com.sun.star.comp.embed.FileSystemStorageFactory"
+    constructor="svl_FSStorageFactory_get_implementation" single-instance="true">
+    <service name="com.sun.star.comp.embed.FileSystemStorageFactory"/>
+    <service name="com.sun.star.embed.FileSystemStorageFactory"/>
+  </implementation>
+</component>
diff --git a/svl/source/fsstor/fsstorage.cxx b/svl/source/fsstor/fsstorage.cxx
new file mode 100644
index 0000000000..501dd0fd7d
--- /dev/null
+++ b/svl/source/fsstor/fsstorage.cxx
@@ -0,0 +1,1112 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/embed/InvalidStorageException.hpp>
+#include <com/sun/star/embed/StorageWrappedTargetException.hpp>
+#include <com/sun/star/embed/XTransactedObject.hpp>
+#include <com/sun/star/packages/NoEncryptionException.hpp>
+#include <com/sun/star/packages/WrongPasswordException.hpp>
+#include <com/sun/star/ucb/NameClash.hpp>
+#include <com/sun/star/ucb/SimpleFileAccess.hpp>
+
+#include <com/sun/star/ucb/InteractiveIOException.hpp>
+#include <com/sun/star/ucb/IOErrorCode.hpp>
+#include <com/sun/star/container/ElementExistException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/XTruncate.hpp>
+#include <com/sun/star/io/TempFile.hpp>
+#include <com/sun/star/sdbc/XResultSet.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+
+#include <comphelper/fileurl.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+
+#include <osl/diagnose.h>
+#include <tools/urlobj.hxx>
+#include <unotools/ucbhelper.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <unotools/streamwrap.hxx>
+#include <unotools/tempfile.hxx>
+#include <ucbhelper/content.hxx>
+
+#include "fsstorage.hxx"
+#include "oinputstreamcontainer.hxx"
+#include "ostreamcontainer.hxx"
+
+using namespace ::com::sun::star;
+
+FSStorage::FSStorage( const ::ucbhelper::Content& aContent,
+                    sal_Int32 nMode,
+                    uno::Reference< uno::XComponentContext > const & xContext )
+: m_aURL( aContent.getURL() )
+, m_aContent( aContent )
+, m_nMode( nMode )
+, m_xContext( xContext )
+{
+    OSL_ENSURE( !m_aURL.isEmpty(), "The URL must not be empty" );
+    // TODO: use properties
+    if ( !xContext.is() )
+        throw uno::RuntimeException();
+
+    GetContent();
+}
+
+FSStorage::~FSStorage()
+{
+    std::unique_lock aGuard( m_aMutex );
+    osl_atomic_increment(&m_refCount); // to call dispose
+    try {
+        disposeImpl(aGuard);
+    }
+    catch( uno::RuntimeException& )
+    {}
+}
+
+bool FSStorage::MakeFolderNoUI( std::u16string_view rFolder )
+{
+    INetURLObject aURL( rFolder );
+    OUString aTitle = aURL.getName( INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset );
+    aURL.removeSegment();
+    ::ucbhelper::Content aParent;
+    ::ucbhelper::Content aResultContent;
+
+    if ( ::ucbhelper::Content::create( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ),
+                                 uno::Reference< ucb::XCommandEnvironment >(),
+                                 comphelper::getProcessComponentContext(),
+                                 aParent ) )
+        return ::utl::UCBContentHelper::MakeFolder( aParent, aTitle, aResultContent );
+
+    return false;
+}
+
+ucbhelper::Content& FSStorage::GetContent()
+{
+    std::unique_lock aGuard( m_aMutex );
+    return m_aContent;
+}
+
+void FSStorage::CopyStreamToSubStream( const OUString& aSourceURL,
+                                        const uno::Reference< embed::XStorage >& xDest,
+                                        const OUString& aNewEntryName )
+{
+    if ( !xDest.is() )
+        throw uno::RuntimeException();
+
+    uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+    ::ucbhelper::Content aSourceContent( aSourceURL, xDummyEnv, comphelper::getProcessComponentContext() );
+    uno::Reference< io::XInputStream > xSourceInput = aSourceContent.openStream();
+
+    if ( !xSourceInput.is() )
+        throw io::IOException(); // TODO: error handling
+
+    uno::Reference< io::XStream > xSubStream = xDest->openStreamElement(
+                                                aNewEntryName,
+                                                embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
+    if ( !xSubStream.is() )
+        throw uno::RuntimeException();
+
+    uno::Reference< io::XOutputStream > xDestOutput = xSubStream->getOutputStream();
+    if ( !xDestOutput.is() )
+        throw uno::RuntimeException();
+
+    ::comphelper::OStorageHelper::CopyInputToOutput( xSourceInput, xDestOutput );
+    xDestOutput->closeOutput();
+}
+
+void FSStorage::CopyContentToStorage_Impl(ucbhelper::Content& rContent,
+                                          const uno::Reference<embed::XStorage>& xDest)
+{
+    // get list of contents of the Content
+    // create cursor for access to children
+    uno::Sequence< OUString > aProps( 2 );
+    OUString* pProps = aProps.getArray();
+    pProps[0] = "TargetURL";
+    pProps[1] = "IsFolder";
+
+    try
+    {
+        uno::Reference<sdbc::XResultSet> xResultSet
+            = rContent.createCursor(aProps, ::ucbhelper::INCLUDE_FOLDERS_AND_DOCUMENTS);
+        uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );
+        if ( xResultSet.is() )
+        {
+            // go through the list: insert files as streams, insert folders as substorages using recursion
+            while ( xResultSet->next() )
+            {
+                OUString aSourceURL( xRow->getString( 1 ) );
+                bool bIsFolder( xRow->getBoolean(2) );
+
+                // TODO/LATER: not sure whether the entry name must be encoded
+                OUString aNewEntryName( INetURLObject( aSourceURL ).getName( INetURLObject::LAST_SEGMENT,
+                                                                                    true,
+                                                                                    INetURLObject::DecodeMechanism::NONE ) );
+                if ( bIsFolder )
+                {
+                    uno::Reference< embed::XStorage > xSubStorage = xDest->openStorageElement( aNewEntryName,
+                                                                                                embed::ElementModes::READWRITE );
+                    if ( !xSubStorage.is() )
+                        throw uno::RuntimeException();
+
+                    uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+                    ::ucbhelper::Content aSourceContent( aSourceURL, xDummyEnv, comphelper::getProcessComponentContext() );
+                    CopyContentToStorage_Impl( aSourceContent, xSubStorage );
+                }
+                else
+                {
+                    CopyStreamToSubStream( aSourceURL, xDest, aNewEntryName );
+                }
+            }
+        }
+
+        uno::Reference< embed::XTransactedObject > xTransact( xDest, uno::UNO_QUERY );
+        if ( xTransact.is() )
+            xTransact->commit();
+    }
+    catch( ucb::InteractiveIOException& r )
+    {
+        if ( r.Code == ucb::IOErrorCode_NOT_EXISTING )
+            OSL_FAIL( "The folder does not exist!" );
+        else
+            throw;
+    }
+}
+
+//  XInterface
+
+uno::Any SAL_CALL FSStorage::queryInterface( const uno::Type& rType )
+{
+    uno::Any aReturn = ::cppu::queryInterface
+                (   rType
+                ,   static_cast<lang::XTypeProvider*> ( this )
+                ,   static_cast<embed::XStorage*> ( this )
+                ,   static_cast<embed::XHierarchicalStorageAccess*> ( this )
+                ,   static_cast<container::XNameAccess*> ( this )
+                ,   static_cast<container::XElementAccess*> ( this )
+                ,   static_cast<lang::XComponent*> ( this )
+                ,   static_cast<beans::XPropertySet*> ( this ) );
+
+    if ( aReturn.hasValue() )
+        return aReturn ;
+
+    return OWeakObject::queryInterface( rType );
+}
+
+void SAL_CALL FSStorage::acquire() noexcept
+{
+    OWeakObject::acquire();
+}
+
+void SAL_CALL FSStorage::release() noexcept
+{
+    OWeakObject::release();
+}
+
+//  XTypeProvider
+
+uno::Sequence< uno::Type > SAL_CALL FSStorage::getTypes()
+{
+    static const uno::Sequence<uno::Type> aTypes {
+        cppu::UnoType<lang::XTypeProvider>::get(),
+        cppu::UnoType<embed::XStorage>::get(),
+        cppu::UnoType<embed::XHierarchicalStorageAccess>::get(),
+        cppu::UnoType<beans::XPropertySet>::get() };
+    return aTypes;
+}
+
+uno::Sequence< sal_Int8 > SAL_CALL FSStorage::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+//  XStorage
+
+void SAL_CALL FSStorage::copyToStorage( const uno::Reference< embed::XStorage >& xDest )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( !xDest.is() || xDest == getXWeak() )
+        throw lang::IllegalArgumentException(); // TODO:
+
+    try
+    {
+        CopyContentToStorage_Impl( m_aContent, xDest );
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+}
+
+uno::Reference< io::XStream > SAL_CALL FSStorage::openStreamElement(
+    const OUString& aStreamName, sal_Int32 nOpenMode )
+{
+    std::unique_lock aGuard( m_aMutex );
+    return openStreamElementImpl(aGuard, aStreamName, nOpenMode);
+}
+
+uno::Reference< io::XStream > FSStorage::openStreamElementImpl(
+    std::unique_lock<std::mutex>& /*rGuard*/,
+    std::u16string_view aStreamName, sal_Int32 nOpenMode )
+{
+    // TODO/LATER: may need possibility to create folder if it was removed, since the folder can not be locked
+    INetURLObject aFileURL( m_aURL );
+    aFileURL.Append( aStreamName );
+
+    if ( ::utl::UCBContentHelper::IsFolder( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw io::IOException();
+
+    if ( ( nOpenMode & embed::ElementModes::NOCREATE )
+      && !::utl::UCBContentHelper::IsDocument( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw io::IOException(); // TODO:
+
+    uno::Reference< ucb::XCommandEnvironment > xDummyEnv; // TODO: provide InteractionHandler if any
+    uno::Reference< io::XStream > xResult;
+    try
+    {
+        if ( nOpenMode & embed::ElementModes::WRITE )
+        {
+            if ( aFileURL.GetProtocol() == INetProtocol::File )
+            {
+                uno::Reference<ucb::XSimpleFileAccess3> xSimpleFileAccess(
+                    ucb::SimpleFileAccess::create( m_xContext ) );
+                xResult = xSimpleFileAccess->openFileReadWrite( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+            }
+            else
+            {
+                // TODO: test whether it really works for http and fwp
+                std::unique_ptr<SvStream> pStream = ::utl::UcbStreamHelper::CreateStream( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ),
+                                                                          StreamMode::STD_WRITE );
+                if ( pStream && !pStream->GetError() )
+                    xResult.set( new ::utl::OStreamWrapper( std::move(pStream) ) );
+            }
+
+            if ( !xResult.is() )
+                throw io::IOException();
+
+            if ( nOpenMode & embed::ElementModes::TRUNCATE )
+            {
+                uno::Reference< io::XTruncate > xTrunc( xResult->getOutputStream(), uno::UNO_QUERY_THROW );
+                xTrunc->truncate();
+            }
+        }
+        else
+        {
+            if ( ( nOpenMode & embed::ElementModes::TRUNCATE )
+              || !::utl::UCBContentHelper::IsDocument( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+                throw io::IOException(); // TODO: access denied
+
+            ::ucbhelper::Content aResultContent( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDummyEnv, comphelper::getProcessComponentContext() );
+            uno::Reference< io::XInputStream > xInStream = aResultContent.openStream();
+            xResult = new OFSInputStreamContainer(xInStream);
+        }
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( packages::WrongPasswordException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+
+    return xResult;
+}
+
+uno::Reference< io::XStream > SAL_CALL FSStorage::openEncryptedStreamElement(
+    const OUString&, sal_Int32, const OUString& )
+{
+    throw packages::NoEncryptionException();
+}
+
+uno::Reference< embed::XStorage > SAL_CALL FSStorage::openStorageElement(
+            const OUString& aStorName, sal_Int32 nStorageMode )
+{
+    std::unique_lock aGuard( m_aMutex );
+    return openStorageElementImpl(aGuard, aStorName, nStorageMode);
+}
+
+uno::Reference< embed::XStorage > FSStorage::openStorageElementImpl(
+            std::unique_lock<std::mutex>& /*rGuard*/,
+            std::u16string_view aStorName, sal_Int32 nStorageMode )
+{
+    if ( ( nStorageMode & embed::ElementModes::WRITE )
+      && !( m_nMode & embed::ElementModes::WRITE ) )
+          throw io::IOException(); // TODO: error handling
+
+    // TODO/LATER: may need possibility to create folder if it was removed, since the folder can not be locked
+    INetURLObject aFolderURL( m_aURL );
+    aFolderURL.Append( aStorName );
+
+    bool bFolderExists = ::utl::UCBContentHelper::IsFolder( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+    if ( !bFolderExists && ::utl::UCBContentHelper::IsDocument( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw io::IOException(); // TODO:
+
+    if ( ( nStorageMode & embed::ElementModes::NOCREATE ) && !bFolderExists )
+        throw io::IOException(); // TODO:
+
+    uno::Reference< ucb::XCommandEnvironment > xDummyEnv; // TODO: provide InteractionHandler if any
+    uno::Reference< embed::XStorage > xResult;
+    try
+    {
+        if ( nStorageMode & embed::ElementModes::WRITE )
+        {
+            if ( ( nStorageMode & embed::ElementModes::TRUNCATE ) && bFolderExists )
+            {
+                ::utl::UCBContentHelper::Kill( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+                bFolderExists =
+                    MakeFolderNoUI( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ); // TODO: not atomic :(
+            }
+            else if ( !bFolderExists )
+            {
+                bFolderExists =
+                    MakeFolderNoUI( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ); // TODO: not atomic :(
+            }
+        }
+        else if ( nStorageMode & embed::ElementModes::TRUNCATE )
+            throw io::IOException(); // TODO: access denied
+
+        if ( !bFolderExists )
+            throw io::IOException(); // there is no such folder
+
+        ::ucbhelper::Content aResultContent( aFolderURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDummyEnv, comphelper::getProcessComponentContext() );
+        xResult = new FSStorage( aResultContent, nStorageMode, m_xContext );
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+
+    return xResult;
+}
+
+uno::Reference< io::XStream > SAL_CALL FSStorage::cloneStreamElement( const OUString& aStreamName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    // TODO/LATER: may need possibility to create folder if it was removed, since the folder can not be locked
+    INetURLObject aFileURL( m_aURL );
+    aFileURL.Append( aStreamName );
+
+    uno::Reference < io::XStream > xTempResult;
+    try
+    {
+        uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+        ::ucbhelper::Content aResultContent( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDummyEnv, comphelper::getProcessComponentContext() );
+        uno::Reference< io::XInputStream > xInStream = aResultContent.openStream();
+
+        xTempResult = new utl::TempFileFastService;
+        uno::Reference < io::XOutputStream > xTempOut = xTempResult->getOutputStream();
+        uno::Reference < io::XInputStream > xTempIn = xTempResult->getInputStream();
+
+        ::comphelper::OStorageHelper::CopyInputToOutput( xInStream, xTempOut );
+        xTempOut->closeOutput();
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( packages::WrongPasswordException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+
+    return xTempResult;
+}
+
+uno::Reference< io::XStream > SAL_CALL FSStorage::cloneEncryptedStreamElement(
+    const OUString&,
+    const OUString& )
+{
+    throw packages::NoEncryptionException();
+}
+
+void SAL_CALL FSStorage::copyLastCommitTo(
+            const uno::Reference< embed::XStorage >& xTargetStorage )
+{
+    copyToStorage( xTargetStorage );
+}
+
+void SAL_CALL FSStorage::copyStorageElementLastCommitTo(
+            const OUString& aStorName,
+            const uno::Reference< embed::XStorage >& xTargetStorage )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    uno::Reference< embed::XStorage > xSourceStor( openStorageElement( aStorName, embed::ElementModes::READ ),
+                                                    uno::UNO_SET_THROW );
+    xSourceStor->copyToStorage( xTargetStorage );
+}
+
+sal_Bool SAL_CALL FSStorage::isStreamElement( const OUString& aElementName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    INetURLObject aURL( m_aURL );
+    aURL.Append( aElementName );
+
+    return !::utl::UCBContentHelper::IsFolder( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+}
+
+sal_Bool SAL_CALL FSStorage::isStorageElement( const OUString& aElementName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    INetURLObject aURL( m_aURL );
+    aURL.Append( aElementName );
+
+    return ::utl::UCBContentHelper::IsFolder( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+}
+
+void SAL_CALL FSStorage::removeElement( const OUString& aElementName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    INetURLObject aURL( m_aURL );
+    aURL.Append( aElementName );
+
+    if ( !::utl::UCBContentHelper::IsFolder( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) )
+      && !::utl::UCBContentHelper::IsDocument( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw container::NoSuchElementException(); // TODO:
+
+    ::utl::UCBContentHelper::Kill( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+}
+
+void SAL_CALL FSStorage::renameElement( const OUString& aElementName, const OUString& aNewName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    INetURLObject aOldURL( m_aURL );
+    aOldURL.Append( aElementName );
+
+    INetURLObject aNewURL( m_aURL );
+    aNewURL.Append( aNewName );
+
+    if ( !::utl::UCBContentHelper::IsFolder( aOldURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) )
+      && !::utl::UCBContentHelper::IsDocument( aOldURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw container::NoSuchElementException(); // TODO:
+
+    if ( ::utl::UCBContentHelper::IsFolder( aNewURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) )
+      || ::utl::UCBContentHelper::IsDocument( aNewURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+          throw container::ElementExistException(); // TODO:
+
+    try
+    {
+        uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+        ::ucbhelper::Content aSourceContent( aOldURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDummyEnv, comphelper::getProcessComponentContext() );
+
+        m_aContent.transferContent(aSourceContent, ::ucbhelper::InsertOperation::Move, aNewName,
+                                     ucb::NameClash::ERROR);
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( container::NoSuchElementException& )
+    {
+        throw;
+    }
+    catch( container::ElementExistException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+}
+
+void SAL_CALL FSStorage::copyElementTo( const OUString& aElementName,
+                                        const uno::Reference< embed::XStorage >& xDest,
+                                        const OUString& aNewName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( !xDest.is() )
+        throw uno::RuntimeException();
+
+    INetURLObject aOwnURL( m_aURL );
+    aOwnURL.Append( aElementName );
+
+    if ( xDest->hasByName( aNewName ) )
+          throw container::ElementExistException(); // TODO:
+
+    try
+    {
+        uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+        if ( ::utl::UCBContentHelper::IsFolder( aOwnURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        {
+            ::ucbhelper::Content aSourceContent( aOwnURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDummyEnv, comphelper::getProcessComponentContext() );
+            uno::Reference< embed::XStorage > xDestSubStor(
+                                    xDest->openStorageElement( aNewName, embed::ElementModes::READWRITE ),
+                                    uno::UNO_SET_THROW );
+
+            CopyContentToStorage_Impl( aSourceContent, xDestSubStor );
+        }
+        else if ( ::utl::UCBContentHelper::IsDocument( aOwnURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        {
+            CopyStreamToSubStream( aOwnURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), xDest, aNewName );
+        }
+        else
+            throw container::NoSuchElementException(); // TODO:
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( container::NoSuchElementException& )
+    {
+        throw;
+    }
+    catch( container::ElementExistException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+}
+
+void SAL_CALL FSStorage::moveElementTo( const OUString& aElementName,
+                                        const uno::Reference< embed::XStorage >& xDest,
+                                        const OUString& aNewName )
+{
+    std::unique_lock aGuard( m_aMutex );
+    copyElementTo( aElementName, xDest, aNewName );
+
+    INetURLObject aOwnURL( m_aURL );
+    aOwnURL.Append( aElementName );
+    if ( !::utl::UCBContentHelper::Kill( aOwnURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        throw io::IOException(); // TODO: error handling
+}
+
+//  XNameAccess
+
+uno::Any SAL_CALL FSStorage::getByName( const OUString& aName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( aName.isEmpty() )
+        throw lang::IllegalArgumentException();
+
+    uno::Any aResult;
+    try
+    {
+        INetURLObject aURL( m_aURL );
+        aURL.Append( aName );
+
+
+        if ( ::utl::UCBContentHelper::IsFolder( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        {
+            aResult <<= openStorageElementImpl( aGuard, aName, embed::ElementModes::READ );
+        }
+        else if ( ::utl::UCBContentHelper::IsDocument( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) )
+        {
+            aResult <<= openStreamElementImpl( aGuard, aName, embed::ElementModes::READ );
+        }
+        else
+            throw container::NoSuchElementException(); // TODO:
+    }
+    catch (const container::NoSuchElementException&)
+    {
+        throw;
+    }
+    catch (const lang::WrappedTargetException&)
+    {
+        throw;
+    }
+    catch (const uno::RuntimeException&)
+    {
+        throw;
+    }
+    catch (const uno::Exception&)
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw lang::WrappedTargetException( "Can not open element!",
+                                            getXWeak(),
+                                            aCaught );
+    }
+
+    return aResult;
+}
+
+
+uno::Sequence< OUString > SAL_CALL FSStorage::getElementNames()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    uno::Sequence< OUString > aResult;
+
+    try
+    {
+        uno::Sequence<OUString> aProps { "Title" };
+
+        sal_Int32 nSize = 0;
+        uno::Reference<sdbc::XResultSet> xResultSet
+            = m_aContent.createCursor(aProps, ::ucbhelper::INCLUDE_FOLDERS_AND_DOCUMENTS);
+        uno::Reference< sdbc::XRow > xRow( xResultSet, uno::UNO_QUERY );
+        if ( xResultSet.is() )
+        {
+            // go through the list
+            while ( xResultSet->next() )
+            {
+                OUString aName( xRow->getString( 1 ) );
+                aResult.realloc( ++nSize );
+                aResult.getArray()[nSize-1] = aName;
+            }
+        }
+    }
+    catch( const ucb::InteractiveIOException& r )
+    {
+        if ( r.Code == ucb::IOErrorCode_NOT_EXISTING )
+            OSL_FAIL( "The folder does not exist!" );
+        else
+        {
+            uno::Any aCaught( ::cppu::getCaughtException() );
+            throw lang::WrappedTargetRuntimeException( "Can not open storage!",
+                                            getXWeak(),
+                                            aCaught );
+        }
+    }
+    catch (const uno::RuntimeException&)
+    {
+        throw;
+    }
+    catch (const uno::Exception&)
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw lang::WrappedTargetRuntimeException( "Can not open storage!",
+                                            getXWeak(),
+                                            aCaught );
+    }
+
+    return aResult;
+}
+
+sal_Bool SAL_CALL FSStorage::hasByName( const OUString& aName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( aName.isEmpty() )
+        throw lang::IllegalArgumentException();
+
+    INetURLObject aURL( m_aURL );
+    aURL.Append( aName );
+
+    return ( ::utl::UCBContentHelper::IsFolder( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) )
+      || ::utl::UCBContentHelper::IsDocument( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ) ) );
+}
+
+uno::Type SAL_CALL FSStorage::getElementType()
+{
+    // it is a multitype container
+    return uno::Type();
+}
+
+sal_Bool SAL_CALL FSStorage::hasElements()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    try
+    {
+        uno::Sequence<OUString> aProps { "TargetURL" };
+
+        uno::Reference<sdbc::XResultSet> xResultSet
+            = m_aContent.createCursor(aProps, ::ucbhelper::INCLUDE_FOLDERS_AND_DOCUMENTS);
+        return ( xResultSet.is() && xResultSet->next() );
+    }
+    catch (const uno::RuntimeException&)
+    {
+        throw;
+    }
+    catch (const uno::Exception& ex)
+    {
+        css::uno::Any anyEx = cppu::getCaughtException();
+        throw lang::WrappedTargetRuntimeException( ex.Message,
+                        nullptr, anyEx );
+    }
+}
+
+//  XDisposable
+void SAL_CALL FSStorage::dispose()
+{
+    std::unique_lock aGuard( m_aMutex );
+    disposeImpl(aGuard);
+}
+
+void FSStorage::disposeImpl(std::unique_lock<std::mutex>& rGuard)
+{
+    if ( m_aListenersContainer.getLength(rGuard) )
+    {
+        lang::EventObject aSource( getXWeak() );
+        m_aListenersContainer.disposeAndClear( rGuard, aSource );
+    }
+}
+
+void SAL_CALL FSStorage::addEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    m_aListenersContainer.addInterface( aGuard, xListener );
+}
+
+void SAL_CALL FSStorage::removeEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    m_aListenersContainer.removeInterface( aGuard, xListener );
+}
+
+//  XPropertySet
+
+uno::Reference< beans::XPropertySetInfo > SAL_CALL FSStorage::getPropertySetInfo()
+{
+    //TODO:
+    return uno::Reference< beans::XPropertySetInfo >();
+}
+
+
+void SAL_CALL FSStorage::setPropertyValue( const OUString& aPropertyName, const uno::Any& )
+{
+    if ( aPropertyName == "URL" || aPropertyName == "OpenMode" )
+        throw beans::PropertyVetoException(); // TODO
+    else
+        throw beans::UnknownPropertyException(aPropertyName); // TODO
+}
+
+
+uno::Any SAL_CALL FSStorage::getPropertyValue( const OUString& aPropertyName )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( aPropertyName == "URL" )
+        return uno::Any( m_aURL );
+    else if ( aPropertyName == "OpenMode" )
+        return uno::Any( m_nMode );
+
+    throw beans::UnknownPropertyException(aPropertyName); // TODO
+}
+
+
+void SAL_CALL FSStorage::addPropertyChangeListener(
+            const OUString& /*aPropertyName*/,
+            const uno::Reference< beans::XPropertyChangeListener >& /*xListener*/ )
+{
+    //TODO:
+}
+
+
+void SAL_CALL FSStorage::removePropertyChangeListener(
+            const OUString& /*aPropertyName*/,
+            const uno::Reference< beans::XPropertyChangeListener >& /*aListener*/ )
+{
+    //TODO:
+}
+
+
+void SAL_CALL FSStorage::addVetoableChangeListener(
+            const OUString& /*PropertyName*/,
+            const uno::Reference< beans::XVetoableChangeListener >& /*aListener*/ )
+{
+    //TODO:
+}
+
+
+void SAL_CALL FSStorage::removeVetoableChangeListener(
+            const OUString& /*PropertyName*/,
+            const uno::Reference< beans::XVetoableChangeListener >& /*aListener*/ )
+{
+    //TODO:
+}
+
+//  XHierarchicalStorageAccess
+uno::Reference< embed::XExtendedStorageStream > SAL_CALL FSStorage::openStreamElementByHierarchicalName( const OUString& sStreamPath, ::sal_Int32 nOpenMode )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( sStreamPath.toChar() == '/' )
+        throw lang::IllegalArgumentException();
+
+    INetURLObject aBaseURL( m_aURL );
+    if ( !aBaseURL.setFinalSlash() )
+        throw uno::RuntimeException();
+
+    OUString aFileURL = INetURLObject::GetAbsURL(
+                aBaseURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ),
+                sStreamPath );
+
+    if ( ::utl::UCBContentHelper::IsFolder( aFileURL ) )
+        throw io::IOException();
+
+    if ( ( nOpenMode & embed::ElementModes::NOCREATE )
+      && !::utl::UCBContentHelper::IsDocument( aFileURL ) )
+        throw io::IOException(); // TODO:
+
+    uno::Reference< ucb::XCommandEnvironment > xDummyEnv; // TODO: provide InteractionHandler if any
+    uno::Reference< io::XStream > xResult;
+    try
+    {
+        if ( nOpenMode & embed::ElementModes::WRITE )
+        {
+            if ( comphelper::isFileUrl( aFileURL ) )
+            {
+                uno::Reference<ucb::XSimpleFileAccess3> xSimpleFileAccess(
+                    ucb::SimpleFileAccess::create( m_xContext ) );
+                uno::Reference< io::XStream > xStream =
+                    xSimpleFileAccess->openFileReadWrite( aFileURL );
+
+                xResult = new OFSStreamContainer(xStream);
+            }
+            else
+            {
+                // TODO: test whether it really works for http and fwp
+                std::unique_ptr<SvStream> pStream = ::utl::UcbStreamHelper::CreateStream( aFileURL,
+                                                                          StreamMode::STD_WRITE );
+                if ( pStream && !pStream->GetError() )
+                {
+                    uno::Reference< io::XStream > xStream( new ::utl::OStreamWrapper( std::move(pStream) ) );
+                    xResult = new OFSStreamContainer(xStream);
+                }
+            }
+
+            if ( !xResult.is() )
+                throw io::IOException();
+
+            if ( nOpenMode & embed::ElementModes::TRUNCATE )
+            {
+                uno::Reference< io::XTruncate > xTrunc( xResult->getOutputStream(), uno::UNO_QUERY_THROW );
+                xTrunc->truncate();
+            }
+        }
+        else
+        {
+            if ( ( nOpenMode & embed::ElementModes::TRUNCATE )
+              || !::utl::UCBContentHelper::IsDocument( aFileURL ) )
+                throw io::IOException(); // TODO: access denied
+
+            ::ucbhelper::Content aResultContent( aFileURL, xDummyEnv, comphelper::getProcessComponentContext() );
+            uno::Reference< io::XInputStream > xInStream = aResultContent.openStream();
+            xResult = new OFSInputStreamContainer(xInStream);
+        }
+    }
+    catch( embed::InvalidStorageException& )
+    {
+        throw;
+    }
+    catch( lang::IllegalArgumentException& )
+    {
+        throw;
+    }
+    catch( packages::WrongPasswordException& )
+    {
+        throw;
+    }
+    catch( embed::StorageWrappedTargetException& )
+    {
+        throw;
+    }
+    catch( io::IOException& )
+    {
+        throw;
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        uno::Any aCaught( ::cppu::getCaughtException() );
+        throw embed::StorageWrappedTargetException("Can't copy raw stream",
+                                                 uno::Reference< io::XInputStream >(),
+                                                 aCaught );
+    }
+
+    return uno::Reference< embed::XExtendedStorageStream >( xResult, uno::UNO_QUERY_THROW );
+}
+
+uno::Reference< embed::XExtendedStorageStream > SAL_CALL FSStorage::openEncryptedStreamElementByHierarchicalName( const OUString& /*sStreamName*/, ::sal_Int32 /*nOpenMode*/, const OUString& /*sPassword*/ )
+{
+    throw packages::NoEncryptionException();
+}
+
+void SAL_CALL FSStorage::removeStreamElementByHierarchicalName( const OUString& sStreamPath )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    // TODO/LATER: may need possibility to create folder if it was removed, since the folder can not be locked
+    INetURLObject aBaseURL( m_aURL );
+    if ( !aBaseURL.setFinalSlash() )
+        throw uno::RuntimeException();
+
+    OUString aFileURL = INetURLObject::GetAbsURL(
+                aBaseURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ),
+                sStreamPath );
+
+    if ( !::utl::UCBContentHelper::IsDocument( aFileURL ) )
+    {
+        if ( ::utl::UCBContentHelper::IsFolder( aFileURL ) )
+            throw lang::IllegalArgumentException();
+        else
+            throw container::NoSuchElementException(); // TODO:
+    }
+
+    if ( !::utl::UCBContentHelper::Kill( aFileURL ) )
+        throw io::IOException(); // TODO: error handling
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/fsstorage.hxx b/svl/source/fsstor/fsstorage.hxx
new file mode 100644
index 0000000000..6b02a9a61b
--- /dev/null
+++ b/svl/source/fsstor/fsstorage.hxx
@@ -0,0 +1,187 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_FSSTOR_FSSTORAGE_HXX
+#define INCLUDED_SVL_SOURCE_FSSTOR_FSSTORAGE_HXX
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
+#include <com/sun/star/io/XStream.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/lang/XTypeProvider.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <comphelper/interfacecontainer4.hxx>
+#include <cppuhelper/weak.hxx>
+
+#include <ucbhelper/content.hxx>
+
+class FSStorage final : public css::lang::XTypeProvider
+                , public css::embed::XStorage
+                , public css::embed::XHierarchicalStorageAccess
+                , public css::beans::XPropertySet
+                , public ::cppu::OWeakObject
+{
+    std::mutex m_aMutex;
+    OUString  m_aURL;
+    ::ucbhelper::Content m_aContent;
+    sal_Int32 m_nMode;
+    ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aListenersContainer; // list of listeners
+    css::uno::Reference< css::uno::XComponentContext > m_xContext;
+
+public:
+
+    FSStorage(  const ::ucbhelper::Content& aContent,
+                sal_Int32 nMode,
+                css::uno::Reference< css::uno::XComponentContext > const & xContext );
+
+    virtual ~FSStorage() override;
+
+    ucbhelper::Content& GetContent();
+
+    static void CopyStreamToSubStream( const OUString& aSourceURL,
+                                const css::uno::Reference< css::embed::XStorage >& xDest,
+                                const OUString& aNewEntryName );
+
+    void CopyContentToStorage_Impl(ucbhelper::Content& rContent,
+                                   const css::uno::Reference<css::embed::XStorage>& xDest);
+
+    static bool MakeFolderNoUI( std::u16string_view rFolder );
+
+    //  XInterface
+
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
+
+    virtual void SAL_CALL acquire() noexcept override;
+
+    virtual void SAL_CALL release() noexcept override;
+
+    //  XTypeProvider
+
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+
+    //  XStorage
+
+    virtual void SAL_CALL copyToStorage( const css::uno::Reference< css::embed::XStorage >& xDest ) override;
+
+    virtual css::uno::Reference< css::io::XStream > SAL_CALL openStreamElement(
+            const OUString& aStreamName, sal_Int32 nOpenMode ) override;
+
+    virtual css::uno::Reference< css::io::XStream > SAL_CALL openEncryptedStreamElement(
+            const OUString& aStreamName, sal_Int32 nOpenMode, const OUString& aPass ) override;
+
+    virtual css::uno::Reference< css::embed::XStorage > SAL_CALL openStorageElement(
+            const OUString& aStorName, sal_Int32 nStorageMode ) override;
+
+    virtual css::uno::Reference< css::io::XStream > SAL_CALL cloneStreamElement(
+            const OUString& aStreamName ) override;
+
+    virtual css::uno::Reference< css::io::XStream > SAL_CALL cloneEncryptedStreamElement(
+            const OUString& aStreamName, const OUString& aPass ) override;
+
+    virtual void SAL_CALL copyLastCommitTo(
+            const css::uno::Reference< css::embed::XStorage >& xTargetStorage ) override;
+
+    virtual void SAL_CALL copyStorageElementLastCommitTo(
+            const OUString& aStorName,
+            const css::uno::Reference< css::embed::XStorage >& xTargetStorage ) override;
+
+    virtual sal_Bool SAL_CALL isStreamElement( const OUString& aElementName ) override;
+
+    virtual sal_Bool SAL_CALL isStorageElement( const OUString& aElementName ) override;
+
+    virtual void SAL_CALL removeElement( const OUString& aElementName ) override;
+
+    virtual void SAL_CALL renameElement( const OUString& rEleName, const OUString& rNewName ) override;
+
+    virtual void SAL_CALL copyElementTo(    const OUString& aElementName,
+                                        const css::uno::Reference< css::embed::XStorage >& xDest,
+                                        const OUString& aNewName ) override;
+
+    virtual void SAL_CALL moveElementTo(    const OUString& aElementName,
+                                        const css::uno::Reference< css::embed::XStorage >& xDest,
+                                        const OUString& rNewName ) override;
+
+    //  XNameAccess
+
+    virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL getElementNames() override;
+
+    virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override;
+
+    virtual css::uno::Type SAL_CALL getElementType() override;
+
+    virtual sal_Bool SAL_CALL hasElements() override;
+
+    //  XComponent
+
+    virtual void SAL_CALL dispose() override;
+
+    virtual void SAL_CALL addEventListener(
+            const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
+
+    virtual void SAL_CALL removeEventListener(
+            const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
+
+    //  XPropertySet
+
+    virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override;
+
+    virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;
+
+    virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;
+
+    virtual void SAL_CALL addPropertyChangeListener(
+            const OUString& aPropertyName,
+            const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;
+
+    virtual void SAL_CALL removePropertyChangeListener(
+            const OUString& aPropertyName,
+            const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;
+
+    virtual void SAL_CALL addVetoableChangeListener(
+            const OUString& PropertyName,
+            const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
+
+    virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
+
+    //  XHierarchicalStorageAccess
+
+    virtual css::uno::Reference< css::embed::XExtendedStorageStream > SAL_CALL openStreamElementByHierarchicalName( const OUString& sStreamPath, ::sal_Int32 nOpenMode ) override;
+
+    virtual css::uno::Reference< css::embed::XExtendedStorageStream > SAL_CALL openEncryptedStreamElementByHierarchicalName( const OUString& sStreamName, ::sal_Int32 nOpenMode, const OUString& sPassword ) override;
+
+    virtual void SAL_CALL removeStreamElementByHierarchicalName( const OUString& sElementPath ) override;
+
+private:
+    css::uno::Reference< css::embed::XStorage > openStorageElementImpl(
+            std::unique_lock<std::mutex>& rGuard,
+            std::u16string_view aStorName, sal_Int32 nStorageMode );
+    css::uno::Reference< css::io::XStream > openStreamElementImpl(
+            std::unique_lock<std::mutex>& rGuard,
+            std::u16string_view aStreamName, sal_Int32 nOpenMode );
+    void disposeImpl(std::unique_lock<std::mutex>& rGuard);
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/oinputstreamcontainer.cxx b/svl/source/fsstor/oinputstreamcontainer.cxx
new file mode 100644
index 0000000000..f3a3a68c8f
--- /dev/null
+++ b/svl/source/fsstor/oinputstreamcontainer.cxx
@@ -0,0 +1,260 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "oinputstreamcontainer.hxx"
+#include <cppuhelper/typeprovider.hxx>
+#include <cppuhelper/queryinterface.hxx>
+
+using namespace ::com::sun::star;
+
+OFSInputStreamContainer::OFSInputStreamContainer( const uno::Reference< io::XInputStream >& xStream )
+: m_xInputStream( xStream )
+, m_xSeekable( xStream, uno::UNO_QUERY )
+, m_bSeekable( false )
+, m_bDisposed( false )
+{
+    m_bSeekable = m_xSeekable.is();
+}
+
+OFSInputStreamContainer::~OFSInputStreamContainer()
+{
+}
+
+uno::Sequence< uno::Type > SAL_CALL OFSInputStreamContainer::getTypes()
+{
+    if (m_bSeekable)
+    {
+        static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(),
+                                                     cppu::UnoType<io::XInputStream>::get(),
+                                                     cppu::UnoType<io::XSeekable>::get());
+
+        return aTypeCollection.getTypes();
+    }
+    else
+    {
+        static cppu::OTypeCollection aTypeCollection(cppu::UnoType<io::XStream>::get(),
+                                                     cppu::UnoType<io::XInputStream>::get());
+
+        return aTypeCollection.getTypes();
+    }
+}
+
+uno::Any SAL_CALL OFSInputStreamContainer::queryInterface( const uno::Type& rType )
+{
+    // Attention:
+    //  Don't use mutex or guard in this method!!! Is a method of XInterface.
+
+    uno::Any aReturn;
+    if ( m_bSeekable )
+        aReturn = ::cppu::queryInterface( rType,
+                                           static_cast< io::XStream* >( this ),
+                                           static_cast< io::XInputStream* >( this ),
+                                           static_cast< io::XSeekable* >( this ) );
+    else
+        aReturn = ::cppu::queryInterface( rType,
+                                           static_cast< io::XStream* >( this ),
+                                           static_cast< io::XInputStream* >( this ) );
+
+    if ( aReturn.hasValue() )
+        return aReturn ;
+
+    return ::cppu::OWeakObject::queryInterface( rType ) ;
+}
+
+void SAL_CALL OFSInputStreamContainer::acquire()
+        noexcept
+{
+    ::cppu::OWeakObject::acquire();
+}
+
+void SAL_CALL OFSInputStreamContainer::release()
+        noexcept
+{
+    ::cppu::OWeakObject::release();
+}
+
+sal_Int32 SAL_CALL OFSInputStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->readBytes( aData, nBytesToRead );
+}
+
+sal_Int32 SAL_CALL OFSInputStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
+}
+
+void SAL_CALL OFSInputStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    m_xInputStream->skipBytes( nBytesToSkip );
+}
+
+sal_Int32 SAL_CALL OFSInputStreamContainer::available(  )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->available();
+}
+
+void SAL_CALL OFSInputStreamContainer::closeInput(  )
+{
+    {
+        std::scoped_lock aGuard( m_aMutex );
+
+        if ( m_bDisposed )
+            throw lang::DisposedException();
+
+        if ( !m_xInputStream.is() )
+            throw uno::RuntimeException();
+    }
+    dispose();
+}
+
+uno::Reference< io::XInputStream > SAL_CALL OFSInputStreamContainer::getInputStream()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xInputStream.is() )
+        return uno::Reference< io::XInputStream >();
+
+    return this;
+}
+
+uno::Reference< io::XOutputStream > SAL_CALL OFSInputStreamContainer::getOutputStream()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    return uno::Reference< io::XOutputStream >();
+}
+
+void SAL_CALL OFSInputStreamContainer::seek( sal_Int64 location )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OFSInputStreamContainer::getPosition()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OFSInputStreamContainer::getLength()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getLength();
+}
+
+void SAL_CALL OFSInputStreamContainer::dispose(  )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        return;
+
+    if ( !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    m_xInputStream->closeInput();
+
+    lang::EventObject aSource( getXWeak() );
+    m_aListenersContainer.disposeAndClear( aGuard, aSource );
+
+    m_bDisposed = true;
+}
+
+void SAL_CALL OFSInputStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    m_aListenersContainer.addInterface( aGuard, xListener );
+}
+
+void SAL_CALL OFSInputStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    m_aListenersContainer.removeInterface( aGuard, xListener );
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/oinputstreamcontainer.hxx b/svl/source/fsstor/oinputstreamcontainer.hxx
new file mode 100644
index 0000000000..7228bcde50
--- /dev/null
+++ b/svl/source/fsstor/oinputstreamcontainer.hxx
@@ -0,0 +1,83 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_FSSTOR_OINPUTSTREAMCONTAINER_HXX
+#define INCLUDED_SVL_SOURCE_FSSTOR_OINPUTSTREAMCONTAINER_HXX
+
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/embed/XExtendedStorageStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+
+
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/interfacecontainer4.hxx>
+
+#include <mutex>
+
+class OFSInputStreamContainer : public cppu::WeakImplHelper < css::io::XInputStream
+                                                            ,css::embed::XExtendedStorageStream >
+                            , public css::io::XSeekable
+{
+    std::mutex m_aMutex;
+
+    css::uno::Reference < css::io::XInputStream > m_xInputStream;
+    css::uno::Reference < css::io::XSeekable > m_xSeekable;
+
+    bool m_bSeekable;
+
+    bool m_bDisposed;
+
+    ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aListenersContainer; // list of listeners
+
+public:
+    explicit OFSInputStreamContainer( const css::uno::Reference < css::io::XInputStream >& xStream );
+
+    virtual ~OFSInputStreamContainer() override;
+
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
+    virtual void SAL_CALL acquire() noexcept override;
+    virtual void SAL_CALL release() noexcept override;
+
+    // XInputStream
+    virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
+    virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
+    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
+    virtual sal_Int32 SAL_CALL available(  ) override;
+    virtual void SAL_CALL closeInput(  ) override;
+
+    //XStream
+    virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream(  ) override;
+    virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream(  ) override;
+
+    //XSeekable
+    virtual void SAL_CALL seek( sal_Int64 location ) override;
+    virtual sal_Int64 SAL_CALL getPosition() override;
+    virtual sal_Int64 SAL_CALL getLength() override;
+
+    //XComponent
+    virtual void SAL_CALL dispose() override;
+    virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
+    virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/ostreamcontainer.cxx b/svl/source/fsstor/ostreamcontainer.cxx
new file mode 100644
index 0000000000..5381428588
--- /dev/null
+++ b/svl/source/fsstor/ostreamcontainer.cxx
@@ -0,0 +1,451 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "ostreamcontainer.hxx"
+
+#include <cppuhelper/queryinterface.hxx>
+#include <comphelper/sequence.hxx>
+
+
+using namespace ::com::sun::star;
+
+OFSStreamContainer::OFSStreamContainer( const uno::Reference < io::XStream >& xStream )
+: m_bDisposed( false )
+, m_bInputClosed( false )
+, m_bOutputClosed( false )
+{
+    try
+    {
+        m_xStream = xStream;
+        if ( !m_xStream.is() )
+            throw uno::RuntimeException();
+
+        m_xSeekable.set( xStream, uno::UNO_QUERY );
+        m_xInputStream = xStream->getInputStream();
+        m_xOutputStream = xStream->getOutputStream();
+        m_xTruncate.set( m_xOutputStream, uno::UNO_QUERY );
+        m_xAsyncOutputMonitor.set( m_xOutputStream, uno::UNO_QUERY );
+    }
+    catch( uno::Exception& )
+    {
+        m_xStream.clear();
+        m_xSeekable.clear();
+        m_xInputStream.clear();
+        m_xOutputStream.clear();
+        m_xTruncate.clear();
+        m_xAsyncOutputMonitor.clear();
+    }
+}
+
+OFSStreamContainer::~OFSStreamContainer()
+{
+}
+
+// XInterface
+uno::Any SAL_CALL OFSStreamContainer::queryInterface( const uno::Type& rType )
+{
+    uno::Any aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<lang::XTypeProvider*> ( this )
+                    ,   static_cast<io::XStream*> ( this )
+                    ,   static_cast<embed::XExtendedStorageStream*> ( this )
+                    ,   static_cast<lang::XComponent*> ( this ) );
+
+    if ( aReturn.hasValue() )
+        return aReturn ;
+
+    if ( m_xSeekable.is() )
+    {
+        aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<io::XSeekable*> ( this ) );
+
+        if ( aReturn.hasValue() )
+            return aReturn ;
+    }
+
+    if ( m_xInputStream.is() )
+    {
+        aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<io::XInputStream*> ( this ) );
+
+        if ( aReturn.hasValue() )
+            return aReturn ;
+    }
+    if ( m_xOutputStream.is() )
+    {
+        aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<io::XOutputStream*> ( this ) );
+
+        if ( aReturn.hasValue() )
+            return aReturn ;
+    }
+    if ( m_xTruncate.is() )
+    {
+        aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<io::XTruncate*> ( this ) );
+
+        if ( aReturn.hasValue() )
+            return aReturn ;
+    }
+    if ( m_xAsyncOutputMonitor.is() )
+    {
+        aReturn = ::cppu::queryInterface
+                (   rType
+                    ,   static_cast<io::XAsyncOutputMonitor*> ( this ) );
+
+        if ( aReturn.hasValue() )
+            return aReturn ;
+    }
+
+    return OWeakObject::queryInterface( rType );
+}
+
+void SAL_CALL OFSStreamContainer::acquire()
+        noexcept
+{
+    OWeakObject::acquire();
+}
+
+void SAL_CALL OFSStreamContainer::release()
+        noexcept
+{
+    OWeakObject::release();
+}
+
+//  XTypeProvider
+uno::Sequence< uno::Type > SAL_CALL OFSStreamContainer::getTypes()
+{
+    if ( !m_aTypes.hasElements() )
+    {
+        std::scoped_lock aGuard( m_aMutex );
+
+        if ( !m_aTypes.hasElements() )
+        {
+            std::vector<uno::Type> tmp
+            {
+                cppu::UnoType<lang::XTypeProvider>::get(),
+                cppu::UnoType<embed::XExtendedStorageStream>::get()
+            };
+
+            if ( m_xSeekable.is() )
+                tmp.push_back(cppu::UnoType<io::XSeekable>::get());
+            if ( m_xInputStream.is() )
+                tmp.push_back(cppu::UnoType<io::XInputStream>::get());
+            if ( m_xOutputStream.is() )
+                tmp.push_back(cppu::UnoType<io::XOutputStream>::get());
+            if ( m_xTruncate.is() )
+                tmp.push_back(cppu::UnoType<io::XTruncate>::get());
+            if ( m_xAsyncOutputMonitor.is() )
+                tmp.push_back(cppu::UnoType<io::XAsyncOutputMonitor>::get());
+
+            m_aTypes = comphelper::containerToSequence(tmp);
+        }
+    }
+    return m_aTypes;
+}
+
+uno::Sequence< sal_Int8 > SAL_CALL OFSStreamContainer::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+// XStream
+uno::Reference< io::XInputStream > SAL_CALL OFSStreamContainer::getInputStream()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() )
+        throw uno::RuntimeException();
+
+    if ( m_xInputStream.is() )
+        return uno::Reference< io::XInputStream >( static_cast< io::XInputStream* >( this ) );
+
+    return uno::Reference< io::XInputStream >();
+}
+
+uno::Reference< io::XOutputStream > SAL_CALL OFSStreamContainer::getOutputStream()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() )
+        throw uno::RuntimeException();
+
+    if ( m_xOutputStream.is() )
+        return uno::Reference< io::XOutputStream >( static_cast< io::XOutputStream* >( this ) );
+
+    return uno::Reference< io::XOutputStream >();
+}
+
+// XComponent
+void SAL_CALL OFSStreamContainer::dispose()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        return;
+
+    if ( !m_xStream.is() )
+        throw uno::RuntimeException();
+
+    if ( m_xInputStream.is() && !m_bInputClosed )
+    {
+        m_xInputStream->closeInput();
+        m_bInputClosed = true;
+    }
+
+    if ( m_xOutputStream.is() && !m_bOutputClosed )
+    {
+        m_xOutputStream->closeOutput();
+        m_bOutputClosed = true;
+    }
+
+    lang::EventObject aSource( getXWeak() );
+    m_aListenersContainer.disposeAndClear( aGuard, aSource );
+    m_bDisposed = true;
+}
+
+void SAL_CALL OFSStreamContainer::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    m_aListenersContainer.addInterface( aGuard, xListener );
+}
+
+void SAL_CALL OFSStreamContainer::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    m_aListenersContainer.removeInterface( aGuard, xListener );
+}
+
+
+// XSeekable
+void SAL_CALL OFSStreamContainer::seek( sal_Int64 location )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    m_xSeekable->seek( location );
+}
+
+sal_Int64 SAL_CALL OFSStreamContainer::getPosition()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getPosition();
+}
+
+sal_Int64 SAL_CALL OFSStreamContainer::getLength()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    return m_xSeekable->getLength();
+}
+
+
+// XInputStream
+sal_Int32 SAL_CALL OFSStreamContainer::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->readBytes( aData, nBytesToRead );
+}
+
+sal_Int32 SAL_CALL OFSStreamContainer::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->readSomeBytes( aData, nMaxBytesToRead );
+}
+
+void SAL_CALL OFSStreamContainer::skipBytes( sal_Int32 nBytesToSkip )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    m_xInputStream->skipBytes( nBytesToSkip );
+}
+
+sal_Int32 SAL_CALL OFSStreamContainer::available()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xInputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xInputStream->available();
+}
+
+void SAL_CALL OFSStreamContainer::closeInput()
+{
+    {
+        std::scoped_lock aGuard( m_aMutex );
+
+        if ( m_bDisposed )
+            throw lang::DisposedException();
+
+        if ( !m_xStream.is() || !m_xInputStream.is() )
+            throw uno::RuntimeException();
+
+        if ( m_xInputStream.is() )
+        {
+            m_xInputStream->closeInput();
+            m_bInputClosed = true;
+        }
+        if ( !m_bOutputClosed )
+            return;
+    }
+
+    dispose();
+}
+
+// XOutputStream
+void SAL_CALL OFSStreamContainer::writeBytes( const uno::Sequence< sal_Int8 >& aData )
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xOutputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xOutputStream->writeBytes( aData );
+}
+
+void SAL_CALL OFSStreamContainer::flush()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xOutputStream.is() )
+        throw uno::RuntimeException();
+
+    return m_xOutputStream->flush();
+}
+
+void SAL_CALL OFSStreamContainer::closeOutput()
+{
+    {
+        std::scoped_lock aGuard( m_aMutex );
+
+        if ( m_bDisposed )
+            throw lang::DisposedException();
+
+        if ( !m_xStream.is() || !m_xOutputStream.is() )
+            throw uno::RuntimeException();
+
+        if ( m_xOutputStream.is() )
+        {
+            m_xOutputStream->closeOutput();
+            m_bOutputClosed = true;
+        }
+        if ( !m_bInputClosed )
+            return;
+    }
+    dispose();
+}
+
+
+// XTruncate
+void SAL_CALL OFSStreamContainer::truncate()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xTruncate.is() )
+        throw uno::RuntimeException();
+
+    m_xTruncate->truncate();
+}
+
+
+// XAsyncOutputMonitor
+void SAL_CALL OFSStreamContainer::waitForCompletion()
+{
+    std::scoped_lock aGuard( m_aMutex );
+
+    if ( m_bDisposed )
+        throw lang::DisposedException();
+
+    if ( !m_xStream.is() || !m_xAsyncOutputMonitor.is() )
+        throw uno::RuntimeException();
+
+    m_xAsyncOutputMonitor->waitForCompletion();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/fsstor/ostreamcontainer.hxx b/svl/source/fsstor/ostreamcontainer.hxx
new file mode 100644
index 0000000000..7dd8219050
--- /dev/null
+++ b/svl/source/fsstor/ostreamcontainer.hxx
@@ -0,0 +1,109 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_FSSTOR_OSTREAMCONTAINER_HXX
+#define INCLUDED_SVL_SOURCE_FSSTOR_OSTREAMCONTAINER_HXX
+
+#include <com/sun/star/lang/XTypeProvider.hpp>
+#include <com/sun/star/embed/XExtendedStorageStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+#include <com/sun/star/io/XTruncate.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/io/XStream.hpp>
+#include <com/sun/star/io/XAsyncOutputMonitor.hpp>
+#include <cppuhelper/weak.hxx>
+#include <comphelper/interfacecontainer4.hxx>
+#include <mutex>
+
+class OFSStreamContainer : public cppu::OWeakObject,
+                     public css::lang::XTypeProvider,
+                     public css::embed::XExtendedStorageStream,
+                     public css::io::XSeekable,
+                     public css::io::XInputStream,
+                     public css::io::XOutputStream,
+                     public css::io::XTruncate,
+                     public css::io::XAsyncOutputMonitor
+{
+    std::mutex m_aMutex;
+
+    css::uno::Reference< css::io::XStream >               m_xStream;
+    css::uno::Reference< css::io::XSeekable >             m_xSeekable;
+    css::uno::Reference< css::io::XInputStream >          m_xInputStream;
+    css::uno::Reference< css::io::XOutputStream >         m_xOutputStream;
+    css::uno::Reference< css::io::XTruncate >             m_xTruncate;
+    css::uno::Reference< css::io::XAsyncOutputMonitor >   m_xAsyncOutputMonitor;
+
+    bool m_bDisposed;
+    bool m_bInputClosed;
+    bool m_bOutputClosed;
+
+    ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aListenersContainer; // list of listeners
+    css::uno::Sequence<css::uno::Type> m_aTypes;
+
+public:
+    explicit OFSStreamContainer( const css::uno::Reference < css::io::XStream >& xStream );
+    virtual ~OFSStreamContainer() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
+    virtual void SAL_CALL acquire() noexcept override;
+    virtual void SAL_CALL release() noexcept override;
+
+    //  XTypeProvider
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+
+    // XStream
+    virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream(  ) override;
+    virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream(  ) override;
+
+    // XComponent
+    virtual void SAL_CALL dispose() override;
+    virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
+    virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
+
+    // XSeekable
+    virtual void SAL_CALL seek( sal_Int64 location ) override;
+    virtual sal_Int64 SAL_CALL getPosition() override;
+    virtual sal_Int64 SAL_CALL getLength() override;
+
+    // XInputStream
+    virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
+    virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
+    virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
+    virtual sal_Int32 SAL_CALL available(  ) override;
+    virtual void SAL_CALL closeInput(  ) override;
+
+    // XOutputStream
+    virtual void SAL_CALL writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
+    virtual void SAL_CALL flush(  ) override;
+    virtual void SAL_CALL closeOutput(  ) override;
+
+    // XTruncate
+    virtual void SAL_CALL truncate() override;
+
+    // XAsyncOutputMonitor
+    virtual void SAL_CALL waitForCompletion(  ) override;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/inc/fsfactory.hxx b/svl/source/inc/fsfactory.hxx
new file mode 100644
index 0000000000..450337639b
--- /dev/null
+++ b/svl/source/inc/fsfactory.hxx
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_INC_FSFACTORY_HXX
+#define INCLUDED_SVL_SOURCE_INC_FSFACTORY_HXX
+
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <osl/diagnose.h>
+
+class FSStorageFactory final : public ::cppu::WeakImplHelper< css::lang::XSingleServiceFactory,
+                                                        css::lang::XServiceInfo >
+{
+    css::uno::Reference< css::uno::XComponentContext > m_xContext;
+
+public:
+    FSStorageFactory( const css::uno::Reference< css::uno::XComponentContext >& xContext )
+    : m_xContext( xContext )
+    {
+        OSL_ENSURE( xContext.is(), "No service manager is provided!" );
+    }
+
+    // XSingleServiceFactory
+    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance() override;
+    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArguments( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/inc/items_helper.hxx b/svl/source/inc/items_helper.hxx
new file mode 100644
index 0000000000..a86b72eab8
--- /dev/null
+++ b/svl/source/inc/items_helper.hxx
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <sal/types.h>
+#include <svl/whichranges.hxx>
+
+#include <utility>
+
+namespace svl::detail
+{
+/**
+ * Determines the number of sal_uInt16s in a container of pairs of
+ * sal_uInt16s, each representing a range of sal_uInt16s, and total capacity of the ranges.
+ */
+inline sal_uInt16 CountRanges(const WhichRangesContainer& pRanges)
+{
+    sal_uInt16 nCapacity = 0;
+    for (const auto& rPair : pRanges)
+    {
+        nCapacity += rangeSize(rPair.first, rPair.second);
+    }
+    return nCapacity;
+}
+
+inline bool validRanges2(const WhichRangesContainer& pRanges)
+{
+    for (sal_Int32 i = 0; i < pRanges.size(); ++i)
+    {
+        auto p = pRanges[i];
+        if (!validRange(p.first, p.second))
+            return false;
+        // ranges must be sorted
+        if (i < pRanges.size() - 1 && !validGap(p.second, pRanges[i + 1].first))
+            return false;
+    }
+    return true;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/svl/source/inc/poolio.hxx b/svl/source/inc/poolio.hxx
new file mode 100644
index 0000000000..118deaf50e
--- /dev/null
+++ b/svl/source/inc/poolio.hxx
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
+#define INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
+
+#include <rtl/ref.hxx>
+#include <svl/itempool.hxx>
+#include <svl/SfxBroadcaster.hxx>
+#include <tools/debug.hxx>
+#include <memory>
+#include <o3tl/sorted_vector.hxx>
+#include <utility>
+
+class SfxPoolItem;
+class SfxItemPoolUser;
+
+struct SfxItemPool_Impl
+{
+    SfxBroadcaster                  aBC;
+    OUString                        aName;
+    std::vector<SfxPoolItem*>       maPoolDefaults;
+    std::vector<SfxPoolItem*>*      mpStaticDefaults;
+    SfxItemPool*                    mpMaster;
+    rtl::Reference<SfxItemPool>     mpSecondary;
+    WhichRangesContainer            mpPoolRanges;
+    sal_uInt16                      mnStart;
+    sal_uInt16                      mnEnd;
+    MapUnit                         eDefMetric;
+
+    SfxItemPool_Impl( SfxItemPool* pMaster, OUString _aName, sal_uInt16 nStart, sal_uInt16 nEnd )
+        : aName(std::move(_aName))
+        , maPoolDefaults(nEnd - nStart + 1)
+        , mpStaticDefaults(nullptr)
+        , mpMaster(pMaster)
+        , mnStart(nStart)
+        , mnEnd(nEnd)
+        , eDefMetric(MapUnit::MapCM)
+    {
+        DBG_ASSERT(mnStart, "Start-Which-Id must be greater 0" );
+    }
+
+    ~SfxItemPool_Impl()
+    {
+        DeleteItems();
+    }
+
+    void DeleteItems()
+    {
+        maPoolDefaults.clear();
+        mpPoolRanges.reset();
+    }
+};
+
+#endif // INCLUDED_SVL_SOURCE_INC_POOLIO_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/inc/stringio.hxx b/svl/source/inc/stringio.hxx
new file mode 100644
index 0000000000..51d52abeb3
--- /dev/null
+++ b/svl/source/inc/stringio.hxx
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_INC_STRINGIO_HXX
+#define INCLUDED_SVL_SOURCE_INC_STRINGIO_HXX
+
+#include <rtl/ustring.hxx>
+
+class SvStream;
+
+/** Read in a Unicode string from a streamed byte string representation.
+
+    @param rStream  Some (input) stream.  Its Stream/TargetCharSets must
+    be set to correct values!
+
+    @return  On success, returns the reconstructed Unicode string.
+ */
+OUString readByteString(SvStream& rStream);
+
+/** Write a byte string representation of a Unicode string into a stream.
+
+    @param rStream  Some (output) stream.  Its Stream/TargetCharSets must
+    be set to correct values!
+
+    @param rString  Some Unicode string.
+ */
+void writeByteString(SvStream& rStream, std::u16string_view rString);
+
+#endif // INCLUDED_SVL_SOURCE_INC_STRINGIO_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/IndexedStyleSheets.cxx b/svl/source/items/IndexedStyleSheets.cxx
new file mode 100644
index 0000000000..57e2dddbf1
--- /dev/null
+++ b/svl/source/items/IndexedStyleSheets.cxx
@@ -0,0 +1,244 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+
+#include <svl/IndexedStyleSheets.hxx>
+#include <svl/style.hxx>
+
+#include <stdexcept>
+#include <algorithm>
+#include <utility>
+
+
+namespace {
+const size_t NUMBER_OF_FAMILIES = 7;
+size_t family_to_index(SfxStyleFamily family)
+{
+    switch (family) {
+    case SfxStyleFamily::Char:
+        return 0;
+    case SfxStyleFamily::Para:
+        return 1;
+    case SfxStyleFamily::Frame:
+        return 2;
+    case SfxStyleFamily::Page:
+        return 3;
+    case SfxStyleFamily::Pseudo:
+        return 4;
+    case SfxStyleFamily::Table:
+        return 5;
+    case SfxStyleFamily::All:
+        return 6;
+    default: break;
+    }
+    assert(false); // only for compiler warning. all cases are handled in the switch
+    return 0;
+}
+}
+
+namespace svl {
+
+IndexedStyleSheets::IndexedStyleSheets()
+{
+    for (size_t i = 0; i < NUMBER_OF_FAMILIES; i++) {
+        mStyleSheetPositionsByFamily.emplace_back();
+    }
+;}
+
+void IndexedStyleSheets::Register(const SfxStyleSheetBase& style, sal_Int32 pos)
+{
+    mPositionsByName.insert(std::make_pair(style.GetName(), pos));
+    size_t position = family_to_index(style.GetFamily());
+    mStyleSheetPositionsByFamily.at(position).push_back(pos);
+    size_t positionForFamilyAll = family_to_index(SfxStyleFamily::All);
+    mStyleSheetPositionsByFamily.at(positionForFamilyAll).push_back(pos);
+}
+
+void
+IndexedStyleSheets::Reindex()
+{
+    mPositionsByName.clear();
+    mStyleSheetPositionsByFamily.clear();
+    for (size_t i = 0; i < NUMBER_OF_FAMILIES; i++) {
+        mStyleSheetPositionsByFamily.emplace_back();
+    }
+
+    sal_Int32 i = 0;
+    for (const auto& rxStyleSheet : mStyleSheets) {
+        SfxStyleSheetBase* p = rxStyleSheet.get();
+        Register(*p, i);
+        ++i;
+    }
+}
+
+sal_Int32 IndexedStyleSheets::GetNumberOfStyleSheets() const
+{
+    return mStyleSheets.size();
+}
+
+void
+IndexedStyleSheets::AddStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style)
+{
+    if (!HasStyleSheet(style)) {
+        mStyleSheets.push_back(style);
+        // since we just added an element to the vector, we can safely do -1 as it will always be >= 1
+        Register(*style, mStyleSheets.size()-1);
+    }
+}
+
+bool
+IndexedStyleSheets::RemoveStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style)
+{
+    std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(style->GetName());
+    for (MapType::const_iterator it = range.first; it != range.second; ++it)
+    {
+        sal_Int32 pos = it->second;
+        if (mStyleSheets.at(pos) == style)
+        {
+            mStyleSheets.erase(mStyleSheets.begin() + pos);
+            Reindex();
+            return true;
+        }
+    }
+    return false;
+}
+
+std::vector<sal_Int32> IndexedStyleSheets::FindPositionsByName(const OUString& name) const
+{
+    std::vector<sal_Int32> r;
+    std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(name);
+    for (MapType::const_iterator it = range.first; it != range.second; ++it) {
+        r.push_back(it->second);
+    }
+    return r;
+}
+
+std::vector<sal_Int32> IndexedStyleSheets::FindPositionsByNameAndPredicate(const OUString& name,
+        StyleSheetPredicate& predicate, SearchBehavior behavior) const
+{
+    std::vector<sal_Int32> r;
+    auto range = mPositionsByName.equal_range(name);
+    for (auto it = range.first; it != range.second; ++it) {
+        sal_Int32 pos = it->second;
+        SfxStyleSheetBase *ssheet = mStyleSheets.at(pos).get();
+        if (predicate.Check(*ssheet)) {
+            r.push_back(pos);
+            if (behavior == SearchBehavior::ReturnFirst) {
+                break;
+            }
+        }
+    }
+    return r;
+}
+
+
+sal_Int32
+IndexedStyleSheets::GetNumberOfStyleSheetsWithPredicate(StyleSheetPredicate& predicate) const
+{
+    return std::count_if(mStyleSheets.begin(), mStyleSheets.end(),
+        [&predicate](const rtl::Reference<SfxStyleSheetBase>& rxStyleSheet) {
+            const SfxStyleSheetBase *ssheet = rxStyleSheet.get();
+            return predicate.Check(*ssheet);
+        });
+}
+
+SfxStyleSheetBase*
+IndexedStyleSheets::GetNthStyleSheetThatMatchesPredicate(
+        sal_Int32 n,
+        StyleSheetPredicate& predicate,
+        sal_Int32 startAt)
+{
+    SfxStyleSheetBase* retval = nullptr;
+    sal_Int32 matching = 0;
+    for (VectorType::const_iterator it = mStyleSheets.begin()+startAt; it != mStyleSheets.end(); ++it) {
+        SfxStyleSheetBase *ssheet = it->get();
+        if (predicate.Check(*ssheet)) {
+            if (matching == n) {
+                retval = it->get();
+                break;
+            }
+            ++matching;
+        }
+    }
+    return retval;
+}
+
+sal_Int32 IndexedStyleSheets::FindStyleSheetPosition(const SfxStyleSheetBase& style) const
+{
+    VectorType::const_iterator it = std::find(mStyleSheets.begin(), mStyleSheets.end(), &style);
+    if (it == mStyleSheets.end()) {
+        throw std::runtime_error("IndexedStyleSheets::FindStylePosition Looked for style not in index");
+    }
+    return std::distance(mStyleSheets.begin(), it);
+}
+
+void
+IndexedStyleSheets::Clear(StyleSheetDisposer& disposer)
+{
+    for (const auto& rxStyleSheet : mStyleSheets) {
+        disposer.Dispose(rxStyleSheet);
+    }
+    mStyleSheets.clear();
+    mPositionsByName.clear();
+}
+
+IndexedStyleSheets::~IndexedStyleSheets()
+{
+}
+
+bool
+IndexedStyleSheets::HasStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style) const
+{
+    std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(style->GetName());
+    for (MapType::const_iterator it = range.first; it != range.second; ++it)
+    {
+        if (mStyleSheets.at(it->second) == style)
+            return true;
+    }
+    return false;
+}
+
+SfxStyleSheetBase*
+IndexedStyleSheets::GetStyleSheetByPosition(sal_Int32 pos)
+{
+    if( pos < static_cast<sal_Int32>(mStyleSheets.size()) )
+        return mStyleSheets.at(pos).get();
+    return nullptr;
+}
+
+void
+IndexedStyleSheets::ApplyToAllStyleSheets(StyleSheetCallback& callback) const
+{
+    for (const auto& rxStyleSheet : mStyleSheets) {
+        callback.DoIt(*rxStyleSheet);
+    }
+}
+
+std::vector<sal_Int32>
+IndexedStyleSheets::FindPositionsByPredicate(StyleSheetPredicate& predicate) const
+{
+    std::vector<sal_Int32> r;
+    for (VectorType::const_iterator it = mStyleSheets.begin(); it != mStyleSheets.end(); ++it) {
+        if (predicate.Check(**it)) {
+            r.push_back(std::distance(mStyleSheets.begin(), it));
+        }
+    }
+    return r;
+}
+
+const std::vector<sal_Int32>&
+IndexedStyleSheets::GetStyleSheetPositionsByFamily(SfxStyleFamily e) const
+{
+    size_t position = family_to_index(e);
+    return mStyleSheetPositionsByFamily.at(position);
+}
+
+} /* namespace svl */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/cenumitm.cxx b/svl/source/items/cenumitm.cxx
new file mode 100644
index 0000000000..713e1608ef
--- /dev/null
+++ b/svl/source/items/cenumitm.cxx
@@ -0,0 +1,148 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Any.hxx>
+#include <svl/cenumitm.hxx>
+#include <svl/eitem.hxx>
+
+#include <comphelper/extract.hxx>
+#include <libxml/xmlwriter.h>
+#include <sal/log.hxx>
+
+
+// virtual
+bool SfxEnumItemInterface::operator ==(const SfxPoolItem & rItem) const
+{
+    SAL_WARN_IF(!SfxPoolItem::operator ==(rItem), "svl.items", "unequal type, with ID/pos " << Which() );
+    return GetEnumValue()
+               == static_cast< const SfxEnumItemInterface * >(&rItem)->
+                      GetEnumValue();
+}
+
+// virtual
+bool SfxEnumItemInterface::GetPresentation(SfxItemPresentation, MapUnit,
+                                      MapUnit, OUString & rText,
+                                      const IntlWrapper&) const
+{
+    rText = OUString::number( GetEnumValue() );
+    return true;
+}
+
+// virtual
+bool SfxEnumItemInterface::QueryValue(css::uno::Any& rVal, sal_uInt8)
+    const
+{
+    rVal <<= sal_Int32(GetEnumValue());
+    return true;
+}
+
+// virtual
+bool SfxEnumItemInterface::PutValue(const css::uno::Any& rVal,
+                                    sal_uInt8)
+{
+    sal_Int32 nTheValue = 0;
+
+    if ( ::cppu::enum2int( nTheValue, rVal ) )
+    {
+        SetEnumValue(sal_uInt16(nTheValue));
+        return true;
+    }
+    SAL_WARN("svl.items", "SfxEnumItemInterface::PutValue(): Wrong type");
+    return false;
+}
+
+// virtual
+bool SfxEnumItemInterface::HasBoolValue() const
+{
+    return false;
+}
+
+// virtual
+bool SfxEnumItemInterface::GetBoolValue() const
+{
+    return false;
+}
+
+// virtual
+void SfxEnumItemInterface::SetBoolValue(bool)
+{}
+
+SfxPoolItem* SfxBoolItem::CreateDefault()
+{
+    return new SfxBoolItem();
+}
+
+// virtual
+bool SfxBoolItem::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_bValue == static_cast< SfxBoolItem const * >(&rItem)->m_bValue;
+}
+
+// virtual
+bool SfxBoolItem::GetPresentation(SfxItemPresentation,
+                                                 MapUnit, MapUnit,
+                                                 OUString & rText,
+                                                 const IntlWrapper&) const
+{
+    rText = GetValueTextByVal(m_bValue);
+    return true;
+}
+
+void SfxBoolItem::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxBoolItem"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(GetValueTextByVal(m_bValue).toUtf8().getStr()));
+    SfxPoolItem::dumpAsXml(pWriter);
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+// virtual
+bool SfxBoolItem::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    rVal <<= m_bValue;
+    return true;
+}
+
+// virtual
+bool SfxBoolItem::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    bool bTheValue = bool();
+    if (rVal >>= bTheValue)
+    {
+        m_bValue = bTheValue;
+        return true;
+    }
+    SAL_WARN("svl.items", "SfxBoolItem::PutValue(): Wrong type");
+    return false;
+}
+
+// virtual
+SfxBoolItem* SfxBoolItem::Clone(SfxItemPool *) const
+{
+    return new SfxBoolItem(*this);
+}
+
+// virtual
+OUString SfxBoolItem::GetValueTextByVal(bool bTheValue) const
+{
+    return bTheValue ?  OUString("TRUE") : OUString("FALSE");
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/cintitem.cxx b/svl/source/items/cintitem.cxx
new file mode 100644
index 0000000000..d9a77adc2a
--- /dev/null
+++ b/svl/source/items/cintitem.cxx
@@ -0,0 +1,209 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Any.hxx>
+#include <svl/cintitem.hxx>
+#include <sal/log.hxx>
+
+
+// virtual
+bool CntByteItem::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue == static_cast< const CntByteItem * >(&rItem)->m_nValue;
+}
+
+// virtual
+bool CntByteItem::GetPresentation(SfxItemPresentation, MapUnit, MapUnit,
+                                  OUString & rText,
+                                  const IntlWrapper&) const
+{
+    rText = OUString::number( m_nValue );
+    return true;
+}
+
+// virtual
+bool CntByteItem::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    sal_Int8 nValue = m_nValue;
+    rVal <<= nValue;
+    return true;
+}
+
+// virtual
+bool CntByteItem::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    sal_Int8 nValue = sal_Int8();
+    if (rVal >>= nValue)
+    {
+        m_nValue = nValue;
+        return true;
+    }
+
+    SAL_WARN("svl.items", "CntByteItem::PutValue - Wrong type!");
+    return false;
+}
+
+// virtual
+CntByteItem* CntByteItem::Clone(SfxItemPool *) const
+{
+    return new CntByteItem(*this);
+}
+
+// virtual
+bool CntUInt16Item::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue == static_cast<const CntUInt16Item *>(&rItem)->m_nValue;
+}
+
+// virtual
+bool CntUInt16Item::GetPresentation(SfxItemPresentation,
+                                    MapUnit, MapUnit,
+                                    OUString & rText,
+                                    const IntlWrapper&)
+    const
+{
+    rText = OUString::number( m_nValue );
+    return true;
+}
+
+// virtual
+bool CntUInt16Item::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    sal_Int32 nValue = m_nValue;
+    rVal <<= nValue;
+    return true;
+}
+
+// virtual
+bool CntUInt16Item::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    sal_Int32 nValue = 0;
+    if (rVal >>= nValue)
+    {
+        SAL_WARN_IF(nValue < 0 || nValue > SAL_MAX_UINT16, "svl.items", "Overflow in UInt16 value!");
+        m_nValue = static_cast<sal_uInt16>(nValue);
+        return true;
+    }
+
+    SAL_WARN("svl.items", "CntUInt16Item::PutValue - Wrong type!");
+    return false;
+}
+
+// virtual
+CntUInt16Item* CntUInt16Item::Clone(SfxItemPool *) const
+{
+    return new CntUInt16Item(*this);
+}
+
+// virtual
+bool CntInt32Item::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue == static_cast<const CntInt32Item *>(&rItem)->m_nValue;
+}
+
+// virtual
+bool CntInt32Item::GetPresentation(SfxItemPresentation,
+                                   MapUnit, MapUnit,
+                                   OUString & rText,
+                                   const IntlWrapper&) const
+{
+    rText = OUString::number( m_nValue );
+    return true;
+}
+
+// virtual
+bool CntInt32Item::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    sal_Int32 nValue = m_nValue;
+    rVal <<= nValue;
+    return true;
+}
+
+// virtual
+bool CntInt32Item::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    sal_Int32 nValue = 0;
+    if (rVal >>= nValue)
+    {
+        m_nValue = nValue;
+        return true;
+    }
+
+    SAL_WARN("svl.items", "CntInt32Item::PutValue - Wrong type!");
+    return false;
+}
+
+// virtual
+CntInt32Item* CntInt32Item::Clone(SfxItemPool *) const
+{
+    return new CntInt32Item(*this);
+}
+
+// virtual
+bool CntUInt32Item::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue == static_cast<const CntUInt32Item *>(&rItem)->m_nValue;
+}
+
+// virtual
+bool CntUInt32Item::GetPresentation(SfxItemPresentation,
+                                    MapUnit, MapUnit,
+                                    OUString & rText,
+                                    const IntlWrapper&)
+    const
+{
+    rText = OUString::number(m_nValue);
+    return true;
+}
+
+// virtual
+bool CntUInt32Item::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    sal_Int32 nValue = m_nValue;
+    SAL_WARN_IF(nValue < 0, "svl.items", "Overflow in UInt32 value!");
+    rVal <<= nValue;
+    return true;
+}
+
+// virtual
+bool CntUInt32Item::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    sal_Int32 nValue = 0;
+    if (rVal >>= nValue)
+    {
+        SAL_WARN_IF(nValue < 0, "svl.items", "Overflow in UInt32 value!");
+        m_nValue = nValue;
+        return true;
+    }
+
+    SAL_WARN("svl.items", "CntUInt32Item::PutValue - Wrong type!");
+    return false;
+}
+
+// virtual
+CntUInt32Item* CntUInt32Item::Clone(SfxItemPool *) const
+{
+    return new CntUInt32Item(*this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/custritm.cxx b/svl/source/items/custritm.cxx
new file mode 100644
index 0000000000..0d68b6d455
--- /dev/null
+++ b/svl/source/items/custritm.cxx
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Any.hxx>
+
+#include <osl/diagnose.h>
+#include <unotools/intlwrapper.hxx>
+#include <svl/custritm.hxx>
+
+
+// virtual
+bool CntUnencodedStringItem::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_aValue
+            == static_cast< const CntUnencodedStringItem * >(&rItem)->
+                m_aValue;
+}
+
+// virtual
+bool CntUnencodedStringItem::GetPresentation(SfxItemPresentation, MapUnit,
+                                        MapUnit, OUString & rText,
+                                        const IntlWrapper&) const
+{
+    rText = m_aValue;
+    return true;
+}
+
+// virtual
+bool CntUnencodedStringItem::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    rVal <<= m_aValue;
+    return true;
+}
+
+// virtual
+bool CntUnencodedStringItem::PutValue(const css::uno::Any& rVal,
+                                         sal_uInt8)
+{
+    OUString aTheValue;
+    if (rVal >>= aTheValue)
+    {
+        m_aValue = aTheValue;
+        return true;
+    }
+    OSL_FAIL("CntUnencodedStringItem::PutValue(): Wrong type");
+    return false;
+}
+
+// virtual
+CntUnencodedStringItem* CntUnencodedStringItem::Clone(SfxItemPool *) const
+{
+    return new CntUnencodedStringItem(*this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/flagitem.cxx b/svl/source/items/flagitem.cxx
new file mode 100644
index 0000000000..270be1e575
--- /dev/null
+++ b/svl/source/items/flagitem.cxx
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include <svl/flagitem.hxx>
+#include <svl/poolitem.hxx>
+#include <sal/log.hxx>
+
+
+SfxFlagItem::SfxFlagItem( sal_uInt16 nW, sal_uInt16 nV ) :
+    SfxPoolItem( nW ),
+    nVal(nV)
+{
+}
+
+bool SfxFlagItem::GetPresentation
+(
+    SfxItemPresentation     /*ePresentation*/,
+    MapUnit              /*eCoreMetric*/,
+    MapUnit              /*ePresentationMetric*/,
+    OUString&               rText,
+    const IntlWrapper&
+)   const
+{
+    rText.clear();
+    for ( sal_uInt8 nFlag = 0; nFlag < GetFlagCount(); ++nFlag )
+        rText += GetFlag(nFlag) ? std::u16string_view(u"true") : std::u16string_view(u"false");
+    return true;
+}
+
+sal_uInt8 SfxFlagItem::GetFlagCount() const
+{
+    SAL_INFO("svl", "calling GetValueText(sal_uInt16) on SfxFlagItem -- override!");
+    return 0;
+}
+
+bool SfxFlagItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return static_cast<const SfxFlagItem&>(rItem).nVal == nVal;
+}
+
+SfxFlagItem* SfxFlagItem::Clone(SfxItemPool *) const
+{
+    return new SfxFlagItem( *this );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/globalnameitem.cxx b/svl/source/items/globalnameitem.cxx
new file mode 100644
index 0000000000..3f8d3265d7
--- /dev/null
+++ b/svl/source/items/globalnameitem.cxx
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/script/Converter.hpp>
+
+#include <osl/diagnose.h>
+
+#include <comphelper/processfactory.hxx>
+
+#include <svl/globalnameitem.hxx>
+
+SfxPoolItem* SfxGlobalNameItem::CreateDefault() { return new SfxGlobalNameItem; }
+
+
+SfxGlobalNameItem::SfxGlobalNameItem()
+{
+}
+
+
+SfxGlobalNameItem::SfxGlobalNameItem( sal_uInt16 nW, const SvGlobalName& rName )
+:   SfxPoolItem( nW ),
+    m_aName( rName )
+{
+}
+
+SfxGlobalNameItem::~SfxGlobalNameItem()
+{
+}
+
+bool SfxGlobalNameItem::operator==( const SfxPoolItem& rItem ) const
+{
+    return SfxPoolItem::operator==(rItem) &&
+        static_cast<const SfxGlobalNameItem&>(rItem).m_aName == m_aName;
+}
+
+SfxGlobalNameItem* SfxGlobalNameItem::Clone(SfxItemPool *) const
+{
+    return new SfxGlobalNameItem( *this );
+}
+
+// virtual
+bool SfxGlobalNameItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
+{
+    css::uno::Reference < css::script::XTypeConverter > xConverter
+            ( css::script::Converter::create( ::comphelper::getProcessComponentContext() ));
+    css::uno::Sequence< sal_Int8 > aSeq;
+    css::uno::Any aNew;
+
+    try { aNew = xConverter->convertTo( rVal, cppu::UnoType<css::uno::Sequence < sal_Int8 >>::get() ); }
+    catch (css::uno::Exception&) {}
+    aNew >>= aSeq;
+    if ( aSeq.getLength() == 16 )
+    {
+        m_aName.MakeFromMemory( aSeq.getConstArray() );
+        return true;
+    }
+
+    OSL_FAIL( "SfxGlobalNameItem::PutValue - Wrong type!" );
+    return true;
+}
+
+// virtual
+bool SfxGlobalNameItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
+{
+    css::uno::Sequence< sal_Int8 > aSeq( 16 );
+    void const * pData = &m_aName.GetCLSID();
+    memcpy( aSeq.getArray(), pData, 16 );
+    rVal <<= aSeq;
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/grabbagitem.cxx b/svl/source/items/grabbagitem.cxx
new file mode 100644
index 0000000000..39ee566866
--- /dev/null
+++ b/svl/source/items/grabbagitem.cxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/grabbagitem.hxx>
+#include <sal/config.h>
+
+#include <sal/log.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/uno/Sequence.hxx>
+
+using namespace com::sun::star;
+
+SfxGrabBagItem::SfxGrabBagItem() = default;
+
+SfxGrabBagItem::SfxGrabBagItem(sal_uInt16 nWhich)
+    : SfxPoolItem(nWhich)
+{
+}
+
+SfxGrabBagItem::~SfxGrabBagItem() = default;
+
+bool SfxGrabBagItem::operator==(const SfxPoolItem& rItem) const
+{
+    return SfxPoolItem::operator==(rItem)
+           && m_aMap == static_cast<const SfxGrabBagItem*>(&rItem)->m_aMap;
+}
+
+SfxGrabBagItem* SfxGrabBagItem::Clone(SfxItemPool* /*pPool*/) const
+{
+    return new SfxGrabBagItem(*this);
+}
+
+bool SfxGrabBagItem::PutValue(const uno::Any& rVal, sal_uInt8 /*nMemberId*/)
+{
+    uno::Sequence<beans::PropertyValue> aValue;
+    if (rVal >>= aValue)
+    {
+        m_aMap.clear();
+        for (beans::PropertyValue const& aPropertyValue : std::as_const(aValue))
+        {
+            m_aMap[aPropertyValue.Name] = aPropertyValue.Value;
+        }
+        return true;
+    }
+
+    SAL_WARN("svl", "SfxGrabBagItem::PutValue: wrong type");
+    return false;
+}
+
+bool SfxGrabBagItem::QueryValue(uno::Any& rVal, sal_uInt8 /*nMemberId*/) const
+{
+    uno::Sequence<beans::PropertyValue> aValue(m_aMap.size());
+    beans::PropertyValue* pValue = aValue.getArray();
+    for (const auto& i : m_aMap)
+    {
+        pValue[0].Name = i.first;
+        pValue[0].Value = i.second;
+        ++pValue;
+    }
+    rVal <<= aValue;
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/ilstitem.cxx b/svl/source/items/ilstitem.cxx
new file mode 100644
index 0000000000..0cb9ea8e6c
--- /dev/null
+++ b/svl/source/items/ilstitem.cxx
@@ -0,0 +1,88 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/script/Converter.hpp>
+
+#include <comphelper/processfactory.hxx>
+#include <comphelper/sequence.hxx>
+
+#include <svl/ilstitem.hxx>
+
+
+SfxPoolItem* SfxIntegerListItem::CreateDefault() { return new SfxIntegerListItem; }
+
+SfxIntegerListItem::SfxIntegerListItem()
+{
+}
+
+SfxIntegerListItem::SfxIntegerListItem( sal_uInt16 which, ::std::vector < sal_Int32 >&& rList )
+    : SfxPoolItem( which )
+    , m_aList( std::move(rList) )
+{
+}
+
+SfxIntegerListItem::SfxIntegerListItem( sal_uInt16 which, const css::uno::Sequence < sal_Int32 >& rList )
+    : SfxPoolItem( which )
+{
+    comphelper::sequenceToContainer(m_aList, rList);
+}
+
+SfxIntegerListItem::~SfxIntegerListItem()
+{
+}
+
+bool SfxIntegerListItem::operator==( const SfxPoolItem& rPoolItem ) const
+{
+    if ( !SfxPoolItem::operator==(rPoolItem) )
+        return false;
+
+    const SfxIntegerListItem & rItem = static_cast<const SfxIntegerListItem&>(rPoolItem);
+    return rItem.m_aList == m_aList;
+}
+
+SfxIntegerListItem* SfxIntegerListItem::Clone( SfxItemPool * ) const
+{
+    return new SfxIntegerListItem( *this );
+}
+
+bool SfxIntegerListItem::PutValue  ( const css::uno::Any& rVal, sal_uInt8 )
+{
+    css::uno::Reference < css::script::XTypeConverter > xConverter
+            ( css::script::Converter::create(::comphelper::getProcessComponentContext()) );
+    css::uno::Any aNew;
+    try { aNew = xConverter->convertTo( rVal, cppu::UnoType<css::uno::Sequence < sal_Int32 >>::get() ); }
+    catch (css::uno::Exception&)
+    {
+        return true;
+    }
+
+    css::uno::Sequence<sal_Int32> aTempSeq;
+    bool bRet = aNew >>= aTempSeq;
+    if (bRet)
+        m_aList = comphelper::sequenceToContainer<std::vector<sal_Int32>>(aTempSeq);
+    return bRet;
+}
+
+bool SfxIntegerListItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
+{
+    rVal <<= comphelper::containerToSequence(m_aList);
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/imageitm.cxx b/svl/source/items/imageitm.cxx
new file mode 100644
index 0000000000..cba4b7103b
--- /dev/null
+++ b/svl/source/items/imageitm.cxx
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/imageitm.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+
+SfxPoolItem* SfxImageItem::CreateDefault() { return new SfxImageItem; }
+
+SfxImageItem::SfxImageItem( sal_uInt16 which )
+    : SfxInt16Item( which, 0 ), mnAngle(0), mbMirrored(false)
+{
+}
+
+SfxImageItem::SfxImageItem( const SfxImageItem& rItem )
+    : SfxInt16Item( rItem ),
+      mnAngle(rItem.mnAngle), mbMirrored(rItem.mbMirrored)
+{
+}
+
+SfxImageItem::~SfxImageItem()
+{
+}
+
+SfxImageItem* SfxImageItem::Clone( SfxItemPool* ) const
+{
+    return new SfxImageItem( *this );
+}
+
+bool SfxImageItem::operator==( const SfxPoolItem& rItem ) const
+{
+    if (!SfxInt16Item::operator==(rItem))
+        return false;
+    const SfxImageItem& rOther = static_cast<const SfxImageItem&>(rItem);
+    return mnAngle == rOther.mnAngle && mbMirrored == rOther.mbMirrored;
+}
+
+bool SfxImageItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
+{
+    css::uno::Sequence< css::uno::Any > aSeq{ css::uno::Any(GetValue()),
+                                              css::uno::Any(sal_Int16(mnAngle)),
+                                              css::uno::Any(mbMirrored),
+                                              css::uno::Any(maURL) };
+    rVal <<= aSeq;
+    return true;
+}
+
+bool SfxImageItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
+{
+    css::uno::Sequence< css::uno::Any > aSeq;
+    if (( rVal >>= aSeq ) && ( aSeq.getLength() == 4 ))
+    {
+        sal_Int16     nVal = sal_Int16();
+        if ( aSeq[0] >>= nVal )
+            SetValue( nVal );
+        sal_Int16 nTmp = 0;
+        aSeq[1] >>= nTmp;
+        mnAngle = Degree10(nTmp);
+        aSeq[2] >>= mbMirrored;
+        aSeq[3] >>= maURL;
+        return true;
+    }
+
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/int64item.cxx b/svl/source/items/int64item.cxx
new file mode 100644
index 0000000000..06efd1fc9a
--- /dev/null
+++ b/svl/source/items/int64item.cxx
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/int64item.hxx>
+
+SfxInt64Item::SfxInt64Item( sal_uInt16 nWhich, sal_Int64 nVal ) :
+    SfxPoolItem(nWhich), mnValue(nVal)
+{
+}
+
+SfxInt64Item::~SfxInt64Item() {}
+
+bool SfxInt64Item::operator== ( const SfxPoolItem& rItem ) const
+{
+    return SfxPoolItem::operator==(rItem) && mnValue == static_cast<const SfxInt64Item&>(rItem).mnValue;
+}
+
+bool SfxInt64Item::GetPresentation(
+    SfxItemPresentation, MapUnit, MapUnit, OUString& rText,
+    const IntlWrapper& /*rIntlWrapper*/ ) const
+{
+    rText = OUString::number(mnValue);
+    return true;
+}
+
+bool SfxInt64Item::QueryValue(
+    css::uno::Any& rVal, sal_uInt8 /*nMemberId*/ ) const
+{
+    rVal <<= mnValue;
+    return true;
+}
+
+bool SfxInt64Item::PutValue(
+    const css::uno::Any& rVal, sal_uInt8 /*nMemberId*/ )
+{
+    sal_Int64 nVal;
+
+    if (rVal >>= nVal)
+    {
+        mnValue = nVal;
+        return true;
+    }
+
+    return false;
+}
+
+SfxInt64Item* SfxInt64Item::Clone( SfxItemPool* /*pOther*/ ) const
+{
+    return new SfxInt64Item(*this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/intitem.cxx b/svl/source/items/intitem.cxx
new file mode 100644
index 0000000000..0ced3eb201
--- /dev/null
+++ b/svl/source/items/intitem.cxx
@@ -0,0 +1,183 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/intitem.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <osl/diagnose.h>
+#include <tools/bigint.hxx>
+#include <svl/metitem.hxx>
+#include <libxml/xmlwriter.h>
+#include <boost/property_tree/ptree.hpp>
+
+
+
+
+SfxPoolItem* SfxByteItem::CreateDefault()
+{
+    return new SfxByteItem();
+};
+
+SfxPoolItem* SfxInt16Item::CreateDefault()
+{
+    return new SfxInt16Item();
+};
+
+// virtual
+bool SfxInt16Item::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue == static_cast< const SfxInt16Item * >(&rItem)->
+                        m_nValue;
+}
+
+// virtual
+bool SfxInt16Item::GetPresentation(SfxItemPresentation,
+                                                  MapUnit, MapUnit,
+                                                  OUString & rText,
+                                                  const IntlWrapper&) const
+{
+    rText = OUString::number(m_nValue);
+    return true;
+}
+
+
+boost::property_tree::ptree SfxInt16Item::dumpAsJSON() const
+{
+    boost::property_tree::ptree aTree = SfxPoolItem::dumpAsJSON();
+    aTree.put("state", GetValue());
+    return aTree;
+}
+
+
+// virtual
+bool SfxInt16Item::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    sal_Int16 nValue = m_nValue;
+    rVal <<= nValue;
+    return true;
+}
+
+// virtual
+bool SfxInt16Item::PutValue(const css::uno::Any& rVal, sal_uInt8 )
+{
+    sal_Int16 nValue = sal_Int16();
+    if (rVal >>= nValue)
+    {
+        m_nValue = nValue;
+        return true;
+    }
+
+    OSL_FAIL( "SfxInt16Item::PutValue - Wrong type!" );
+    return false;
+}
+
+SfxInt16Item* SfxInt16Item::Clone(SfxItemPool *) const
+{
+    return new SfxInt16Item(*this);
+}
+
+SfxPoolItem* SfxUInt16Item::CreateDefault()
+{
+    return new SfxUInt16Item();
+};
+
+void SfxUInt16Item::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxUInt16Item"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"), BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(OString::number(GetValue()).getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+boost::property_tree::ptree SfxUInt16Item::dumpAsJSON() const
+{
+    boost::property_tree::ptree aTree = SfxPoolItem::dumpAsJSON();
+    aTree.put("state", GetValue());
+    return aTree;
+}
+
+
+
+
+SfxPoolItem* SfxInt32Item::CreateDefault()
+{
+    return new SfxInt32Item();
+};
+
+void SfxInt32Item::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxInt32Item"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"), BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(OString::number(GetValue()).getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+boost::property_tree::ptree SfxInt32Item::dumpAsJSON() const
+{
+    boost::property_tree::ptree aTree = SfxPoolItem::dumpAsJSON();
+    aTree.put("state", GetValue());
+    return aTree;
+}
+
+
+
+
+SfxPoolItem* SfxUInt32Item::CreateDefault()
+{
+    return new SfxUInt32Item();
+};
+
+void SfxUInt32Item::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxUInt32Item"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"), BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(OString::number(GetValue()).getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+boost::property_tree::ptree SfxUInt32Item::dumpAsJSON() const
+{
+    boost::property_tree::ptree aTree = SfxPoolItem::dumpAsJSON();
+    aTree.put("state", GetValue());
+    return aTree;
+}
+
+SfxMetricItem::SfxMetricItem(sal_uInt16 which, sal_Int32 nValue):
+    SfxInt32Item(which, nValue)
+{
+}
+
+// virtual
+void SfxMetricItem::ScaleMetrics(tools::Long nMult, tools::Long nDiv)
+{
+    BigInt aTheValue(GetValue());
+    aTheValue *= nMult;
+    aTheValue += nDiv / 2;
+    aTheValue /= nDiv;
+    SetValue(aTheValue);
+}
+
+// virtual
+bool SfxMetricItem::HasMetrics() const
+{
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/itemiter.cxx b/svl/source/items/itemiter.cxx
new file mode 100644
index 0000000000..d8864c387e
--- /dev/null
+++ b/svl/source/items/itemiter.cxx
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/itemiter.hxx>
+#include <svl/itemset.hxx>
+
+SfxItemIter::SfxItemIter(const SfxItemSet& rItemSet)
+    : m_rSet(rItemSet)
+{
+    if (!m_rSet.m_nCount)
+    {
+        m_nStart = 0;
+        m_nEnd = 0;
+    }
+    else
+    {
+        SfxPoolItem const** ppFnd = m_rSet.m_ppItems;
+
+        // Find the first Item that is set
+        for (m_nStart = 0; !*(ppFnd + m_nStart); ++m_nStart)
+            ; // empty loop
+        if (1 < m_rSet.Count())
+            for (m_nEnd = m_rSet.TotalCount(); !*(ppFnd + --m_nEnd);)
+                ; // empty loop
+        else
+            m_nEnd = m_nStart;
+    }
+
+    m_nCurrent = m_nStart;
+}
+
+// Precondition : m_nCurrent < m_nEnd
+const SfxPoolItem* SfxItemIter::ImplNextItem()
+{
+    SfxPoolItem const** ppFnd = m_rSet.m_ppItems;
+    do
+    {
+        m_nCurrent++;
+    } while (m_nCurrent < m_nEnd && !*(ppFnd + m_nCurrent));
+    return *(ppFnd + m_nCurrent);
+}
+
+SfxItemState SfxItemIter::GetItemState(bool bSrchInParent, const SfxPoolItem** ppItem) const
+{
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    SfxItemState eState(m_rSet.GetItemState_ForOffset(m_nCurrent, ppItem));
+
+    // search in parent?
+    if (bSrchInParent && nullptr != m_rSet.GetParent()
+        && (SfxItemState::UNKNOWN == eState || SfxItemState::DEFAULT == eState))
+    {
+        // nOffset was only valid for *local* SfxItemSet, need to continue with WhichID
+        const sal_uInt16 nWhich(m_rSet.GetWhichByOffset(m_nCurrent));
+        eState = m_rSet.GetParent()->GetItemState_ForWhichID(eState, nWhich, true, ppItem);
+    }
+
+    return eState;
+}
+
+void SfxItemIter::ClearItem()
+{
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    const_cast<SfxItemSet&>(m_rSet).ClearSingleItem_ForOffset(m_nCurrent);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/itempool.cxx b/svl/source/items/itempool.cxx
new file mode 100644
index 0000000000..faedbd516a
--- /dev/null
+++ b/svl/source/items/itempool.cxx
@@ -0,0 +1,1253 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/itempool.hxx>
+#include <svl/setitem.hxx>
+
+#include <string.h>
+#include <libxml/xmlwriter.h>
+
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+#include <svl/SfxBroadcaster.hxx>
+#include <svl/hint.hxx>
+#include <svl/itemset.hxx>
+
+#include <poolio.hxx>
+
+#include <cassert>
+#include <vector>
+
+#ifdef DBG_UTIL
+static size_t nAllDirectlyPooledSfxPoolItemCount(0);
+static size_t nRemainingDirectlyPooledSfxPoolItemCount(0);
+size_t getAllDirectlyPooledSfxPoolItemCount() { return nAllDirectlyPooledSfxPoolItemCount; }
+size_t getRemainingDirectlyPooledSfxPoolItemCount() { return nRemainingDirectlyPooledSfxPoolItemCount; }
+#endif
+
+// WhichIDs that need to set _bNeedsPoolRegistration in SfxItemInfo
+// to true to allow a register of all items of that type/with that WhichID
+// to be accessible using SfxItemPool::GetItemSurrogates. Created by
+// grepping for 'GetItemSurrogates' usages & interpreting. Some
+// are double, more may be necessary. There is a SAL_INFO("svl.items", ...)
+// in SfxItemPool::GetItemSurrogates that will give hints on missing flags.
+//
+// due to SwTable::UpdateFields
+// due to SwCursorShell::GotoNxtPrvTableFormula
+// due to DocumentFieldsManager::UpdateTableFields
+// due to SwTable::GatherFormulas
+//  RES_BOXATR_FORMULA ok
+// due to SwContentTree::EditEntry
+// due to SwDoc::FindINetAttr
+// due to SwUndoResetAttr::RedoImpl
+// due to SwContentTree::EditEntry
+// due to SwContentTree::BringEntryToAttention
+//  RES_TXTATR_REFMARK ok
+// due to ImpEditEngine::WriteRTF
+// due to ScDocument::UpdateFontCharSet()
+// due to ScXMLFontAutoStylePool_Impl
+// due to SdXImpressDocument::getPropertyValue
+// due to Writer::AddFontItems_
+//  EE_CHAR_FONTINFO ok
+// due to ImpEditEngine::WriteRTF
+// due to ScXMLFontAutoStylePool_Impl
+// due to SdXImpressDocument::getPropertyValue
+// due to Writer::AddFontItems_
+//  EE_CHAR_FONTINFO_CJK ok
+// due to ImpEditEngine::WriteRTF
+// due to ScXMLFontAutoStylePool_Impl
+// due to SdXImpressDocument::getPropertyValue
+// due to Writer::AddFontItems_
+//  EE_CHAR_FONTINFO_CTL ok
+// due to ImpEditEngine::WriteRTF
+//  EE_CHAR_COLOR ok
+// due to ScDocumentPool::StyleDeleted
+//  ATTR_PATTERN ok
+// due to ScDocument::UpdateFontCharSet()
+// due to ScXMLFontAutoStylePool_Impl
+//  ATTR_FONT ok
+// due to OptimizeHasAttrib
+//  ATTR_ROTATE_VALUE ok
+// due to ScDocument::GetDocColors()
+//  ATTR_BACKGROUND ok
+//  ATTR_FONT_COLOR ok
+// due to ScXMLExport::CollectUserDefinedNamespaces
+//  ATTR_USERDEF ok
+// due to ScXMLExport::CollectUserDefinedNamespaces
+// due to SwXMLExport::exportDoc
+//  EE_PARA_XMLATTRIBS ok
+// due to ScXMLExport::CollectUserDefinedNamespaces
+// due to SwXMLExport::exportDoc
+//  EE_CHAR_XMLATTRIBS ok
+// due to ScXMLExport::CollectUserDefinedNamespaces
+// due to SwXMLExport::exportDoc
+//  SDRATTR_XMLATTRIBUTES ok
+// due to ScXMLFontAutoStylePool_Impl
+//  ATTR_CJK_FONT ok
+//  ATTR_CTL_FONT ok
+//  ATTR_PAGE_HEADERLEFT ok
+//  ATTR_PAGE_FOOTERLEFT ok
+//  ATTR_PAGE_HEADERRIGHT ok
+//  ATTR_PAGE_FOOTERRIGHT ok
+//  ATTR_PAGE_HEADERFIRST ok
+//  ATTR_PAGE_FOOTERFIRST ok
+// due to ScCellShell::ExecuteEdit
+// due to ScTabViewShell::CreateRefDialogController
+//  SCITEM_CONDFORMATDLGDATA ok
+// due to SdDrawDocument::UpdatePageRelativeURLs
+//  EE_FEATURE_FIELD ok
+// due to SvxUnoMarkerTable::replaceByName
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+// due to XLineStartItem::checkForUniqueItem
+//  XATTR_LINESTART ok
+// due to SvxUnoMarkerTable::replaceByName
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+// due to XLineStartItem::checkForUniqueItem
+//  XATTR_LINEEND ok
+// due to SvxUnoNameItemTable
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+// due to NameOrIndex::CheckNamedItem all derived from NameOrIndex
+//  XATTR_FILLBITMAP ok
+// due to SvxUnoNameItemTable
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+//  XATTR_LINEDASH ok
+// due to SvxUnoNameItemTable
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+// due to NameOrIndex::CheckNamedItem all derived from NameOrIndex
+//  XATTR_FILLGRADIENT ok
+// due to SvxUnoNameItemTable
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+//  XATTR_FILLHATCH ok
+// due to SvxUnoNameItemTable
+// due to SvxShape::setPropertyValueImpl/SvxShape::SetFillAttribute
+//  XATTR_FILLFLOATTRANSPARENCE ok
+// due to NamespaceIteratorImpl
+//      -> needs to be evaluated
+// due to SwCursorShell::GotoNxtPrvTOXMark
+// due to SwDoc::GetTOIKeys
+//  RES_TXTATR_TOXMARK ok
+// due to SwDoc::GetRefMark
+// due to SwDoc::CallEvent
+// due to SwURLStateChanged::Notify
+// due to SwHTMLWriter::CollectLinkTargets
+// due to MSWordExportBase::CollectOutlineBookmarks
+//  RES_TXTATR_INETFMT ok
+// due to SwDoc::GetAllUsedDB
+// due to lcl_FindInputField
+// due to SwViewShell::IsAnyFieldInDoc
+//  RES_TXTATR_FIELD ok
+// due to SwDoc::GetAllUsedDB
+// due to lcl_FindInputField
+// due to SwViewShell::IsAnyFieldInDoc
+//  RES_TXTATR_INPUTFIELD ok
+// due to SwDoc::SetDefault
+//  RES_PARATR_TABSTOP ok
+// due to SwDoc::GetDocColors()
+// due to RtfExport::OutColorTable
+//  RES_CHRATR_COLOR ok
+// due to SwDoc::GetDocColors()
+//  RES_CHRATR_HIGHLIGHT ok
+// due to SwDoc::GetDocColors()
+//  RES_BACKGROUND ok
+// due to SwNode::FindPageDesc
+// due to SwPageNumberFieldType::ChangeExpansion
+// due to SwFrame::GetVirtPageNum
+//  RES_PAGEDESC ok
+// due to SwAutoStylesEnumImpl::
+//  RES_TXTATR_CJK_RUBY ok
+// due to SwHTMLWriter::CollectLinkTargets
+// due to MSWordExportBase::CollectOutlineBookmarks
+//  RES_URL
+// due to RtfExport::OutColorTable
+//  RES_CHRATR_UNDERLINE ok
+//  RES_CHRATR_OVERLINE ok
+//  RES_CHRATR_BACKGROUND ok
+//  RES_SHADOW ok
+//  RES_BOX ok
+//  RES_CHRATR_BOX ok
+//  XATTR_FILLCOLOR ok
+// due to wwFontHelper::InitFontTable
+// due to SwXMLFontAutoStylePool_Impl::SwXMLFontAutoStylePool_Impl
+//  RES_CHRATR_FONT ok
+// due to wwFontHelper::InitFontTable
+// due to SwXMLFontAutoStylePool_Impl::SwXMLFontAutoStylePool_Impl
+//  RES_CHRATR_CJK_FONT ok
+// due to wwFontHelper::InitFontTable
+// due to SwXMLFontAutoStylePool_Impl::SwXMLFontAutoStylePool_Impl
+//  RES_CHRATR_CTL_FONT
+// due to SwXMLExport::exportDoc
+//  RES_UNKNOWNATR_CONTAINER ok
+//  RES_TXTATR_UNKNOWN_CONTAINER ok
+
+
+
+#if OSL_DEBUG_LEVEL > 0
+#include <map>
+
+static void
+lcl_CheckSlots2(std::map<sal_uInt16, sal_uInt16> & rSlotMap,
+        SfxItemPool const& rPool, SfxItemInfo const* pInfo)
+{
+    if (!pInfo)
+        return; // may not be initialized yet
+    if (rPool.GetName() == "EditEngineItemPool")
+        return; // HACK: this one has loads of duplicates already, ignore it :(
+    sal_uInt16 const nFirst(rPool.GetFirstWhich());
+    sal_uInt16 const nCount(rPool.GetLastWhich() - rPool.GetFirstWhich() + 1);
+    for (sal_uInt16 n = 0; n < nCount; ++n)
+    {
+        sal_uInt16 const nSlotId(pInfo[n]._nSID);
+        if (nSlotId != 0
+            && nSlotId != 10883  // preexisting duplicate SID_ATTR_GRAF_CROP
+            && nSlotId != 10023  // preexisting duplicate SID_ATTR_BORDER_INNER
+            && nSlotId != 10024  // preexisting duplicate SID_ATTR_BORDER_OUTER
+            && nSlotId != 11013  // preexisting duplicate SID_ATTR_BORDER_DIAG_TLBR
+            && nSlotId != 11014) // preexisting duplicate SID_ATTR_BORDER_DIAG_BLTR
+        {   // check for duplicate slot-id mapping
+            std::map<sal_uInt16, sal_uInt16>::const_iterator const iter(
+                rSlotMap.find(nSlotId));
+            sal_uInt16 const nWhich(nFirst + n);
+            if (iter != rSlotMap.end())
+            {
+                SAL_WARN("svl", "SfxItemPool: duplicate SlotId " << nSlotId
+                        << " mapped to " << iter->second << " and " << nWhich);
+                assert(false);
+            }
+            rSlotMap.insert(std::make_pair(nSlotId, nWhich));
+        }
+    }
+}
+
+#define CHECK_SLOTS() \
+do { \
+    std::map<sal_uInt16, sal_uInt16> slotmap; \
+    for (SfxItemPool * p = pImpl->mpMaster; p; p = p->pImpl->mpSecondary.get()) \
+    { \
+        lcl_CheckSlots2(slotmap, *p, p->pItemInfos); \
+    } \
+} while (false)
+
+#else
+#define CHECK_SLOTS() do {} while (false)
+#endif
+
+sal_uInt16 SfxItemPool::GetFirstWhich() const
+{
+    return pImpl->mnStart;
+}
+
+sal_uInt16 SfxItemPool::GetLastWhich() const
+{
+    return pImpl->mnEnd;
+}
+
+bool SfxItemPool::IsInRange( sal_uInt16 nWhich ) const
+{
+    return nWhich >= pImpl->mnStart && nWhich <= pImpl->mnEnd;
+}
+
+sal_uInt16 SfxItemPool::GetIndex_Impl(sal_uInt16 nWhich) const
+{
+    if (nWhich < pImpl->mnStart || nWhich > pImpl->mnEnd)
+    {
+        assert(false && "missing bounds check before use");
+        return 0;
+    }
+    return nWhich - pImpl->mnStart;
+}
+
+sal_uInt16 SfxItemPool::GetSize_Impl() const
+{
+    return pImpl->mnEnd - pImpl->mnStart + 1;
+}
+
+const SfxPoolItem* SfxItemPool::GetPoolDefaultItem( sal_uInt16 nWhich ) const
+{
+    const SfxPoolItem* pRet;
+    if( IsInRange( nWhich ) )
+        pRet = pImpl->maPoolDefaults[GetIndex_Impl(nWhich)];
+    else if( pImpl->mpSecondary )
+        pRet = pImpl->mpSecondary->GetPoolDefaultItem( nWhich );
+    else
+    {
+        assert(false && "unknown WhichId - cannot get pool default");
+        pRet = nullptr;
+    }
+    return pRet;
+}
+
+
+bool SfxItemPool::NeedsPoolRegistration(sal_uInt16 nWhich) const
+{
+    if (!IsInRange(nWhich))
+    {
+        // get to correct pool
+        if (pImpl->mpSecondary)
+            return pImpl->mpSecondary->NeedsPoolRegistration(nWhich);
+        return false;
+    }
+
+    return NeedsPoolRegistration_Impl(nWhich - pImpl->mnStart);
+}
+
+bool SfxItemPool::Shareable(sal_uInt16 nWhich) const
+{
+    if (!IsInRange(nWhich))
+    {
+        // get to correct pool
+        if (pImpl->mpSecondary)
+            return pImpl->mpSecondary->Shareable(nWhich);
+        return false;
+    }
+
+    return Shareable_Impl(nWhich - pImpl->mnStart);
+}
+
+
+SfxBroadcaster& SfxItemPool::BC()
+{
+    return pImpl->aBC;
+}
+
+
+/**
+ * This is the regular ctor to be used for this class.
+ * An SfxItemPool instance is initialized, which can manage Items in the
+ * range from 'nStartWhich' to 'nEndWhich'.
+ *
+ * For every one of these WhichIds a static Default must be present in the
+ * 'pDefaults' array. They start with an SfxPoolItem (with the WhichId
+ * 'nStartWhich'), are sorted by WhichId and consecutively stored.
+ *
+ * 'pItemInfos' is a USHORT array arranged in the same way, which holds
+ *  SlotIds and Flags. These SlotIds can be 0, if the affected Items are
+ *  exclusively used in the Core.
+ *  The flags allow for e.g. enabling value sharing (poolable).
+ *
+ *  If the Pool is supposed to hold SfxSetItems, the ctor cannot yet contain
+ *  static Defaults. This needs to be done afterwards, using
+ *  @see SfxItemPool::SetDefaults(std::vector<SfxPoolItem*>*).
+ *
+ *  @see SfxItemPool::SetDefaults(std::vector<SfxPoolItem*>*)
+ *  @see SfxItemPool::ReleaseDefaults(std::vector<SfxPoolItem*>*,bool)
+ *  @see SfxItemPool::ReleaseDefaults(bool)
+ */
+SfxItemPool::SfxItemPool
+(
+    const OUString&     rName,          /* Pool name to identify in the file format */
+    sal_uInt16          nStartWhich,    /* First WhichId of the Pool (must be > 0) */
+    sal_uInt16          nEndWhich,      /* Last WhichId of the Pool */
+    const SfxItemInfo*  pInfo,          /* SID Map and Item flags */
+    std::vector<SfxPoolItem*>*
+                        pDefaults       /* Pointer to static Defaults;
+                                           is directly referenced by the Pool,
+                                           but no transfer of ownership */
+) :
+    pItemInfos(pInfo),
+    pImpl( new SfxItemPool_Impl( this, rName, nStartWhich, nEndWhich ) ),
+    ppRegisteredSfxPoolItems(nullptr)
+{
+    pImpl->eDefMetric = MapUnit::MapTwip;
+
+    if ( pDefaults )
+        SetDefaults(pDefaults);
+
+#ifdef DBG_UTIL
+    if (pItemInfos)
+    {
+        auto p = pItemInfos;
+        auto nWhich = nStartWhich;
+        while (nWhich <= nEndWhich)
+        {
+            if (p->_nSID == nWhich)
+            {
+                SAL_WARN("svl.items", "No point mapping a SID to itself, just put a 0 here in the SfxItemInfo array, at index " << (p - pItemInfos));
+                assert(false);
+            }
+            ++p;
+            ++nWhich;
+        }
+    }
+#endif
+}
+
+
+/**
+ * Copy ctor
+ *
+ * @see SfxItemPool::Clone() const
+*/
+SfxItemPool::SfxItemPool
+(
+    const SfxItemPool&  rPool,                  //  Copy from this instance
+    bool                bCloneStaticDefaults    /*  true
+                                                    Copy static Defaults
+
+                                                    false
+                                                    Take over static Defaults */
+) :
+    salhelper::SimpleReferenceObject(),
+    pItemInfos(rPool.pItemInfos),
+    pImpl( new SfxItemPool_Impl( this, rPool.pImpl->aName, rPool.pImpl->mnStart, rPool.pImpl->mnEnd ) ),
+    ppRegisteredSfxPoolItems(nullptr)
+{
+    pImpl->eDefMetric = rPool.pImpl->eDefMetric;
+
+    // Take over static Defaults
+    if ( bCloneStaticDefaults )
+    {
+        std::vector<SfxPoolItem *>* ppDefaults = new std::vector<SfxPoolItem*>(pImpl->mnEnd-pImpl->mnStart+1);
+        for ( sal_uInt16 n = 0; n <= pImpl->mnEnd - pImpl->mnStart; ++n )
+        {
+            (*ppDefaults)[n] = (*rPool.pImpl->mpStaticDefaults)[n]->Clone(this);
+            (*ppDefaults)[n]->setStaticDefault();
+        }
+
+        SetDefaults( ppDefaults );
+    }
+    else
+        SetDefaults( rPool.pImpl->mpStaticDefaults );
+
+    // Copy Pool Defaults
+    for (size_t n = 0; n < pImpl->maPoolDefaults.size(); ++n )
+        if (rPool.pImpl->maPoolDefaults[n])
+        {
+            pImpl->maPoolDefaults[n] = rPool.pImpl->maPoolDefaults[n]->Clone(this); //resets kind
+            pImpl->maPoolDefaults[n]->setPoolDefault();
+        }
+
+    // Repair linkage
+    if ( rPool.pImpl->mpSecondary )
+        SetSecondaryPool( rPool.pImpl->mpSecondary->Clone().get() );
+}
+
+void SfxItemPool::SetDefaults( std::vector<SfxPoolItem*>* pDefaults )
+{
+    DBG_ASSERT( pDefaults, "first we ask for it, and then we don't give back..." );
+    DBG_ASSERT( !pImpl->mpStaticDefaults, "already have Defaults" );
+
+    pImpl->mpStaticDefaults = pDefaults;
+    //! if ((*mpStaticDefaults)->GetKind() != SfxItemKind::StaticDefault)
+    //! FIXME: Probably doesn't work with SetItems at the end
+    {
+        DBG_ASSERT( (*pImpl->mpStaticDefaults)[0]->GetRefCount() == 0 ||
+                    IsDefaultItem( (*pImpl->mpStaticDefaults)[0] ),
+                    "these are not static" );
+        for ( sal_uInt16 n = 0; n <= pImpl->mnEnd - pImpl->mnStart; ++n )
+        {
+            assert(  ((*pImpl->mpStaticDefaults)[n]->Which() == n + pImpl->mnStart)
+                        && "items ids in pool-ranges and in static-defaults do not match" );
+            (*pImpl->mpStaticDefaults)[n]->setStaticDefault();
+            DBG_ASSERT(nullptr == ppRegisteredSfxPoolItems || nullptr == ppRegisteredSfxPoolItems[n]
+                || ppRegisteredSfxPoolItems[n]->empty(), "defaults with setitems with items?!" );
+        }
+    }
+}
+
+void SfxItemPool::ClearDefaults()
+{
+    pImpl->mpStaticDefaults = nullptr;
+}
+
+/**
+ * Frees the static Defaults of the corresponding SfxItemPool instance
+ * and deletes them if specified.
+ *
+ * The SfxItemPool instance MUST NOT BE USED after this function has
+ * been called; only the dtor must be called.
+ */
+void SfxItemPool::ReleaseDefaults
+(
+    bool    bDelete     /*  true
+                            Deletes the array as well as the single static Defaults
+
+                            false
+                            Neither deletes the array not the single static Defaults */
+)
+
+
+{
+    DBG_ASSERT( pImpl->mpStaticDefaults, "requirements not met" );
+    ReleaseDefaults( pImpl->mpStaticDefaults, bDelete );
+
+    // mpStaticDefaults points to deleted memory if bDelete == true.
+    if ( bDelete )
+        pImpl->mpStaticDefaults = nullptr;
+}
+
+
+/**
+ * Frees the specified static Defaults and also deletes them, if so
+ * specified.
+ *
+ * This method MUST be called AFTER all SfxItemPool instances (which
+ * use the specified static Defaults 'pDefault') have been destroyed.
+ */
+void SfxItemPool::ReleaseDefaults
+(
+    std::vector<SfxPoolItem*>*
+                    pDefaults,  /*  Static Defaults that are to be freed */
+
+    bool            bDelete     /*  true
+                                    Deletes the array as well as the specified
+                                    static Defaults
+
+                                    false
+                                    Neither deletes the array nor the single
+                                    static Defaults */
+)
+{
+    DBG_ASSERT( pDefaults, "we first ask for it and the return nothing ..." );
+
+    for ( auto & rpItem : *pDefaults )
+    {
+        assert(IsStaticDefaultItem(rpItem));
+        rpItem->SetRefCount(0);
+        if ( bDelete )
+        {
+            delete rpItem;
+            rpItem = nullptr;
+        }
+    }
+
+    if ( bDelete )
+    {
+        delete pDefaults;
+        pDefaults = nullptr;
+    }
+}
+
+
+SfxItemPool::~SfxItemPool()
+{
+    // Need to be deleted?
+    // Caution: ppRegisteredSfxPoolItems is on-demand created and can be nullptr
+    if ( nullptr != ppRegisteredSfxPoolItems || !pImpl->maPoolDefaults.empty() )
+        Delete();
+
+    if (pImpl->mpMaster != nullptr && pImpl->mpMaster != this)
+    {
+        // This condition indicates an error.
+        // A pImpl->mpMaster->SetSecondaryPool(...) call should have been made
+        // earlier to prevent this. At this point we can only try to
+        // prevent a crash later on.
+        DBG_ASSERT( pImpl->mpMaster == this, "destroying active Secondary-Pool" );
+        if (pImpl->mpMaster->pImpl->mpSecondary == this)
+            pImpl->mpMaster->pImpl->mpSecondary = nullptr;
+    }
+}
+
+void SfxItemPool::SetSecondaryPool( SfxItemPool *pPool )
+{
+    // Reset Master in attached Pools
+    if ( pImpl->mpSecondary )
+    {
+#ifdef DBG_UTIL
+        if (nullptr != pImpl->mpStaticDefaults
+            && nullptr != ppRegisteredSfxPoolItems
+            && nullptr != pImpl->mpSecondary->ppRegisteredSfxPoolItems)
+            // Delete() did not yet run?
+        {
+            // Does the Master have SetItems?
+            bool bHasSetItems(false);
+
+            for (sal_uInt16 i(0); !bHasSetItems && i < pImpl->mnEnd - pImpl->mnStart; ++i)
+            {
+                const SfxPoolItem* pStaticDefaultItem((*pImpl->mpStaticDefaults)[i]);
+                bHasSetItems = pStaticDefaultItem->isSetItem();
+            }
+
+            if (bHasSetItems)
+            {
+                // Detached Pools must be empty
+                registeredSfxPoolItems** ppSet(pImpl->mpSecondary->ppRegisteredSfxPoolItems);
+
+                for (sal_uInt16 a(0); a < pImpl->mpSecondary->GetSize_Impl(); a++, ppSet++)
+                {
+                    if (nullptr != *ppSet && (*ppSet)->size() != 0)
+                    {
+                        SAL_WARN("svl.items", "old secondary pool: " << pImpl->mpSecondary->pImpl->aName
+                                        << " of pool: " << pImpl->aName << " must be empty.");
+                        break;
+                    }
+                }
+            }
+        }
+#endif
+
+        pImpl->mpSecondary->pImpl->mpMaster = pImpl->mpSecondary.get();
+        for ( SfxItemPool *p = pImpl->mpSecondary->pImpl->mpSecondary.get(); p; p = p->pImpl->mpSecondary.get() )
+            p->pImpl->mpMaster = pImpl->mpSecondary.get();
+    }
+
+    // Set Master of new Secondary Pools
+    DBG_ASSERT( !pPool || pPool->pImpl->mpMaster == pPool, "Secondary is present in two Pools" );
+    SfxItemPool *pNewMaster = GetMasterPool() ? pImpl->mpMaster : this;
+    for ( SfxItemPool *p = pPool; p; p = p->pImpl->mpSecondary.get() )
+        p->pImpl->mpMaster = pNewMaster;
+
+    // Remember new Secondary Pool
+    pImpl->mpSecondary = pPool;
+
+    CHECK_SLOTS();
+}
+
+void SfxItemPool::SetItemInfos(SfxItemInfo const*const pInfo)
+{
+    pItemInfos = pInfo;
+    CHECK_SLOTS();
+}
+
+
+MapUnit SfxItemPool::GetMetric( sal_uInt16 ) const
+{
+    return pImpl->eDefMetric;
+}
+
+
+void SfxItemPool::SetDefaultMetric( MapUnit eNewMetric )
+{
+//    assert((pImpl->eDefMetric == eNewMetric || !pImpl->mpPoolRanges) && "pool already frozen, cannot change metric");
+    pImpl->eDefMetric = eNewMetric;
+}
+
+MapUnit SfxItemPool::GetDefaultMetric() const
+{
+    return pImpl->eDefMetric;
+}
+
+const OUString& SfxItemPool::GetName() const
+{
+    return pImpl->aName;
+}
+
+
+bool SfxItemPool::GetPresentation
+(
+    const SfxPoolItem&  rItem,
+    MapUnit             eMetric,
+    OUString&           rText,
+    const IntlWrapper&  rIntlWrapper
+)   const
+{
+    return rItem.GetPresentation(
+        SfxItemPresentation::Complete, GetMetric(rItem.Which()), eMetric, rText, rIntlWrapper );
+}
+
+
+rtl::Reference<SfxItemPool> SfxItemPool::Clone() const
+{
+    return new SfxItemPool( *this );
+}
+
+
+void SfxItemPool::Delete()
+{
+    // Already deleted?
+    // Caution: ppRegisteredSfxPoolItems is on-demand created and can be nullptr
+    if (nullptr == ppRegisteredSfxPoolItems && pImpl->maPoolDefaults.empty())
+        return;
+
+    // Inform e.g. running Requests
+    pImpl->aBC.Broadcast( SfxHint( SfxHintId::Dying ) );
+
+    // Iterate through twice: first for the SetItems.
+    if (nullptr != pImpl->mpStaticDefaults && nullptr != ppRegisteredSfxPoolItems)
+    {
+        for (size_t n = 0; n < GetSize_Impl(); ++n)
+        {
+            // *mpStaticDefaultItem could've already been deleted in a class derived
+            // from SfxItemPool
+            // This causes chaos in Itempool!
+            const SfxPoolItem* pStaticDefaultItem((*pImpl->mpStaticDefaults)[n]);
+            if (pStaticDefaultItem->isSetItem() && nullptr != ppRegisteredSfxPoolItems[n])
+            {
+                // SfxSetItem found, remove PoolItems (and defaults) with same ID
+                auto& rArray(*(ppRegisteredSfxPoolItems[n]));
+                for (auto& rItemPtr : rArray)
+                {
+                    ReleaseRef(*rItemPtr, rItemPtr->GetRefCount()); // for RefCount check in dtor
+                    delete rItemPtr;
+                }
+                rArray.clear();
+                // let pImpl->DeleteItems() delete item arrays in maPoolItems
+                auto& rItemPtr = pImpl->maPoolDefaults[n];
+                if (rItemPtr)
+                {
+#ifdef DBG_UTIL
+                    ClearRefCount(*rItemPtr);
+#endif
+                    delete rItemPtr;
+                    rItemPtr = nullptr;
+                }
+            }
+        }
+    }
+
+    if (nullptr != ppRegisteredSfxPoolItems)
+    {
+        registeredSfxPoolItems** ppSet(ppRegisteredSfxPoolItems);
+
+        for (sal_uInt16 a(0); a < GetSize_Impl(); a++, ppSet++)
+        {
+            if (nullptr != *ppSet)
+            {
+                for (auto& rCandidate : **ppSet)
+                {
+                    if (nullptr != rCandidate && !IsDefaultItem(rCandidate))
+                    {
+                        ReleaseRef(*rCandidate, rCandidate->GetRefCount()); // for RefCount check in dtor
+                        delete rCandidate;
+                    }
+                }
+
+                delete *ppSet;
+                *ppSet = nullptr;
+            }
+        }
+
+        delete[] ppRegisteredSfxPoolItems;
+        ppRegisteredSfxPoolItems = nullptr;
+    }
+
+    // default items
+    for (auto rItemPtr : pImpl->maPoolDefaults)
+    {
+        if (rItemPtr)
+        {
+#ifdef DBG_UTIL
+            ClearRefCount(*rItemPtr);
+#endif
+            delete rItemPtr;
+            rItemPtr = nullptr;
+        }
+    }
+
+    pImpl->DeleteItems();
+}
+
+
+void SfxItemPool::SetPoolDefaultItem(const SfxPoolItem &rItem)
+{
+    if ( IsInRange(rItem.Which()) )
+    {
+        auto& rOldDefault =
+            pImpl->maPoolDefaults[GetIndex_Impl(rItem.Which())];
+        SfxPoolItem *pNewDefault = rItem.Clone(this);
+        pNewDefault->setPoolDefault();
+        if (rOldDefault)
+        {
+            rOldDefault->SetRefCount(0);
+            delete rOldDefault;
+            rOldDefault = nullptr;
+        }
+        rOldDefault = pNewDefault;
+    }
+    else if ( pImpl->mpSecondary )
+        pImpl->mpSecondary->SetPoolDefaultItem(rItem);
+    else
+    {
+        assert(false && "unknown WhichId - cannot set pool default");
+    }
+}
+
+/**
+ * Resets the default of the given WhichId back to the static Default.
+ * If a pool default exists, it is removed.
+ */
+void SfxItemPool::ResetPoolDefaultItem( sal_uInt16 nWhichId )
+{
+    if ( IsInRange(nWhichId) )
+    {
+        auto& rOldDefault =
+            pImpl->maPoolDefaults[GetIndex_Impl(nWhichId)];
+        if (rOldDefault)
+        {
+            rOldDefault->SetRefCount(0);
+            delete rOldDefault;
+            rOldDefault = nullptr;
+        }
+    }
+    else if ( pImpl->mpSecondary )
+        pImpl->mpSecondary->ResetPoolDefaultItem(nWhichId);
+    else
+    {
+        assert(false && "unknown WhichId - cannot reset pool default");
+    }
+}
+
+const SfxPoolItem& SfxItemPool::DirectPutItemInPoolImpl(const SfxPoolItem& rItem, sal_uInt16 nWhich, bool bPassingOwnership)
+{
+    // CAUTION: Do not register the problematic pool default
+    if (rItem.isExceptionalSCItem() && GetMasterPool()->newItem_UseDirect(rItem))
+        return rItem;
+
+#ifdef DBG_UTIL
+    nAllDirectlyPooledSfxPoolItemCount++;
+    nRemainingDirectlyPooledSfxPoolItemCount++;
+#endif
+
+    // make sure to use 'master'-pool, that's the one used by SfxItemSets
+    const SfxPoolItem* pRetval(implCreateItemEntry(*GetMasterPool(), &rItem, nWhich, bPassingOwnership));
+
+    // For the moment, as long as DirectPutItemInPoolImpl is used, make sure that
+    // the changes in implCreateItemEntry do not change anything, that would
+    // risc memory leaks by not (ab)using the garbage collector aspect of the pool.
+    registerSfxPoolItem(*pRetval);
+
+    return *pRetval;
+}
+
+void SfxItemPool::DirectRemoveItemFromPool(const SfxPoolItem& rItem)
+{
+    // CAUTION: Do not remove the problematic pool default
+    if (rItem.isExceptionalSCItem() && GetMasterPool()->newItem_UseDirect(rItem))
+        return;
+
+#ifdef DBG_UTIL
+    nRemainingDirectlyPooledSfxPoolItemCount--;
+#endif
+
+    // make sure to use 'master'-pool, that's the one used by SfxItemSets
+    implCleanupItemEntry(*GetMasterPool(), &rItem);
+}
+
+void SfxItemPool::newItem_Callback(const SfxPoolItem& rItem) const
+{
+    if (!IsInRange(rItem.Which()) && pImpl->mpSecondary)
+        pImpl->mpSecondary->newItem_Callback(rItem);
+}
+
+bool SfxItemPool::newItem_UseDirect(const SfxPoolItem& rItem) const
+{
+    if (!IsInRange(rItem.Which()) && pImpl->mpSecondary)
+        return pImpl->mpSecondary->newItem_UseDirect(rItem);
+    return false;
+}
+
+const SfxPoolItem& SfxItemPool::GetDefaultItem( sal_uInt16 nWhich ) const
+{
+    if ( !IsInRange(nWhich) )
+    {
+        if ( pImpl->mpSecondary )
+            return pImpl->mpSecondary->GetDefaultItem( nWhich );
+        assert(!"unknown which - don't ask me for defaults");
+    }
+
+    DBG_ASSERT( pImpl->mpStaticDefaults, "no defaults known - don't ask me for defaults" );
+    sal_uInt16 nPos = GetIndex_Impl(nWhich);
+    SfxPoolItem* pDefault = pImpl->maPoolDefaults[nPos];
+    if ( pDefault )
+        return *pDefault;
+    return *(*pImpl->mpStaticDefaults)[nPos];
+}
+
+SfxItemPool* SfxItemPool::GetSecondaryPool() const
+{
+    return pImpl->mpSecondary.get();
+}
+
+/* get the last pool by following the GetSecondaryPool chain */
+SfxItemPool* SfxItemPool::GetLastPoolInChain()
+{
+    SfxItemPool* pLast = this;
+    while(pLast->GetSecondaryPool())
+        pLast = pLast->GetSecondaryPool();
+    return pLast;
+}
+
+SfxItemPool* SfxItemPool::GetMasterPool() const
+{
+    return pImpl->mpMaster;
+}
+
+/**
+ * This method should be called at the master pool, when all secondary
+ * pools are appended to it.
+ *
+ * It calculates the ranges of 'which-ids' for fast construction of
+ * item-sets, which contains all 'which-ids'.
+ */
+void SfxItemPool::FreezeIdRanges()
+{
+    assert(pImpl->mpPoolRanges.empty() && "pool already frozen, cannot freeze twice");
+    FillItemIdRanges_Impl( pImpl->mpPoolRanges );
+}
+
+
+void SfxItemPool::FillItemIdRanges_Impl( WhichRangesContainer& pWhichRanges ) const
+{
+    DBG_ASSERT( pImpl->mpPoolRanges.empty(), "GetFrozenRanges() would be faster!" );
+
+    pWhichRanges.reset();
+
+    // Merge all ranges, keeping them sorted
+    for (const SfxItemPool* pPool = this; pPool; pPool = pPool->pImpl->mpSecondary.get())
+        pWhichRanges = pWhichRanges.MergeRange(pPool->pImpl->mnStart, pPool->pImpl->mnEnd);
+}
+
+const WhichRangesContainer& SfxItemPool::GetFrozenIdRanges() const
+{
+    return pImpl->mpPoolRanges;
+}
+
+const SfxPoolItem *SfxItemPool::GetItem2Default(sal_uInt16 nWhich) const
+{
+    if ( !IsInRange(nWhich) )
+    {
+        if ( pImpl->mpSecondary )
+            return pImpl->mpSecondary->GetItem2Default( nWhich );
+        assert(false && "unknown WhichId - cannot resolve surrogate");
+        return nullptr;
+    }
+    return (*pImpl->mpStaticDefaults)[ GetIndex_Impl(nWhich) ];
+}
+
+#ifdef DBG_UTIL
+static void warnForMissingPoolRegistration(const SfxItemPool& rPool, sal_uInt16 nWhich)
+{
+    if (!rPool.NeedsPoolRegistration(nWhich))
+        SAL_INFO("svl.items", "ITEM: ItemSurrogate requested for WhichID " << nWhich <<
+        " class " << typeid(rPool.GetDefaultItem(nWhich)).name() <<
+        ": needs _bNeedsPoolRegistration==true in SfxItemInfo for that slot");
+}
+#endif
+
+const registeredSfxPoolItems& SfxItemPool::GetItemSurrogates(sal_uInt16 nWhich) const
+{
+    static const registeredSfxPoolItems EMPTY;
+
+    if (!IsInRange(nWhich))
+    {
+        if (pImpl->mpSecondary)
+            return pImpl->mpSecondary->GetItemSurrogates(nWhich);
+        return EMPTY;
+    }
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+    {
+#ifdef DBG_UTIL
+        warnForMissingPoolRegistration(*this, nWhich);
+#endif
+        return EMPTY;
+    }
+
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nWhich - pImpl->mnStart]);
+
+    if (nullptr == pSet)
+    {
+#ifdef DBG_UTIL
+        warnForMissingPoolRegistration(*this, nWhich);
+#endif
+        return EMPTY;
+    }
+
+    return *pSet;
+}
+
+std::vector<const SfxPoolItem*> SfxItemPool::FindItemSurrogate(sal_uInt16 nWhich, SfxPoolItem const & rSample) const
+{
+    static const std::vector<const SfxPoolItem*> EMPTY;
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+        return EMPTY;
+
+    if ( !IsInRange(nWhich) )
+    {
+        if ( pImpl->mpSecondary )
+            return pImpl->mpSecondary->FindItemSurrogate( nWhich, rSample );
+        assert(false && "unknown WhichId - cannot resolve surrogate");
+        return EMPTY;
+    }
+
+    // get index (must exist due to checks above)
+    const sal_uInt16 nIndex(rSample.Which() - pImpl->mnStart);
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+    {
+#ifdef DBG_UTIL
+        warnForMissingPoolRegistration(*this, nWhich);
+#endif
+        return EMPTY;
+    }
+
+    // get registeredSfxPoolItems container
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nIndex]);
+
+    if (nullptr == pSet)
+    {
+#ifdef DBG_UTIL
+        warnForMissingPoolRegistration(*this, nWhich);
+#endif
+        return EMPTY;
+    }
+
+    std::vector<const SfxPoolItem*> rv;
+
+    for (const SfxPoolItem* p : *pSet)
+        if (rSample == *p)
+            rv.push_back(p);
+
+    return rv;
+}
+
+sal_uInt16 SfxItemPool::GetWhich( sal_uInt16 nSlotId, bool bDeep ) const
+{
+    if ( !IsSlot(nSlotId) )
+        return nSlotId;
+
+    sal_uInt16 nCount = pImpl->mnEnd - pImpl->mnStart + 1;
+    for ( sal_uInt16 nOfs = 0; nOfs < nCount; ++nOfs )
+        if ( pItemInfos[nOfs]._nSID == nSlotId )
+            return nOfs + pImpl->mnStart;
+    if ( pImpl->mpSecondary && bDeep )
+        return pImpl->mpSecondary->GetWhich(nSlotId);
+    return nSlotId;
+}
+
+
+sal_uInt16 SfxItemPool::GetSlotId( sal_uInt16 nWhich ) const
+{
+    if ( !IsWhich(nWhich) )
+        return nWhich;
+
+    if ( !IsInRange( nWhich ) )
+    {
+        if ( pImpl->mpSecondary )
+            return pImpl->mpSecondary->GetSlotId(nWhich);
+        assert(false && "unknown WhichId - cannot get slot-id");
+        return 0;
+    }
+
+    sal_uInt16 nSID = pItemInfos[nWhich - pImpl->mnStart]._nSID;
+    return nSID ? nSID : nWhich;
+}
+
+
+sal_uInt16 SfxItemPool::GetTrueWhich( sal_uInt16 nSlotId, bool bDeep ) const
+{
+    if ( !IsSlot(nSlotId) )
+        return 0;
+
+    sal_uInt16 nCount = pImpl->mnEnd - pImpl->mnStart + 1;
+    for ( sal_uInt16 nOfs = 0; nOfs < nCount; ++nOfs )
+        if ( pItemInfos[nOfs]._nSID == nSlotId )
+            return nOfs + pImpl->mnStart;
+    if ( pImpl->mpSecondary && bDeep )
+        return pImpl->mpSecondary->GetTrueWhich(nSlotId);
+    return 0;
+}
+
+
+sal_uInt16 SfxItemPool::GetTrueSlotId( sal_uInt16 nWhich ) const
+{
+    if ( !IsWhich(nWhich) )
+        return 0;
+
+    if ( !IsInRange( nWhich ) )
+    {
+        if ( pImpl->mpSecondary )
+            return pImpl->mpSecondary->GetTrueSlotId(nWhich);
+        assert(false && "unknown WhichId - cannot get slot-id");
+        return 0;
+    }
+    return pItemInfos[nWhich - pImpl->mnStart]._nSID;
+}
+
+void SfxItemPool::registerSfxPoolItem(const SfxPoolItem& rItem)
+{
+    assert(rItem.Which() != 0);
+
+    if (IsSlot(rItem.Which()))
+        // do not register SlotItems
+        return;
+
+    if (rItem.isRegisteredAtPool())
+        // already registered, done
+        return;
+
+    if (!IsInRange(rItem.Which()))
+    {
+        // get to the right pool
+        if (pImpl->mpSecondary)
+        {
+            pImpl->mpSecondary->registerSfxPoolItem(rItem);
+            return;
+        }
+
+        return;
+    }
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+        // on-demand allocate array of registeredSfxPoolItems and init to nullptr
+        ppRegisteredSfxPoolItems = new registeredSfxPoolItems*[GetSize_Impl()]{};
+
+    // get correct registeredSfxPoolItems
+    const sal_uInt16 nIndex(rItem.Which() - pImpl->mnStart);
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nIndex]);
+
+    if (nullptr == pSet)
+        // on-demand allocate
+        ppRegisteredSfxPoolItems[nIndex] = pSet = new registeredSfxPoolItems;
+
+    // insert to registeredSfxPoolItems and set flag at Item
+    pSet->insert(&rItem);
+    const_cast<SfxPoolItem&>(rItem).setRegisteredAtPool(true);
+}
+
+void SfxItemPool::unregisterSfxPoolItem(const SfxPoolItem& rItem)
+{
+    if (!rItem.isRegisteredAtPool())
+        // Item is not registered, done
+        return;
+
+    if (!IsInRange(rItem.Which()))
+    {
+        // get to the right pool
+        if (pImpl->mpSecondary)
+        {
+            pImpl->mpSecondary->unregisterSfxPoolItem(rItem);
+            return;
+        }
+
+        assert(false && "unknown WhichId - cannot execute unregisterSfxPoolItem");
+        return;
+    }
+
+    // we need a valid WhichID and the array of containers has to exist
+    assert(rItem.Which() != 0);
+    assert(nullptr != ppRegisteredSfxPoolItems);
+
+    // get index (must exist due to checks above)
+    const sal_uInt16 nIndex(rItem.Which() - pImpl->mnStart);
+
+    // a valid registeredSfxPoolItems container has to exist
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nIndex]);
+    assert(nullptr != pSet);
+
+    // remove registered Item and reset flag at Item
+    pSet->erase(&rItem);
+    const_cast<SfxPoolItem&>(rItem).setRegisteredAtPool(false);
+}
+
+bool SfxItemPool::isSfxPoolItemRegisteredAtThisPool(const SfxPoolItem& rItem) const
+{
+    if (!rItem.isRegisteredAtPool())
+        // Item is not registered at all, so also not at this Pool
+        return false;
+
+    if (IsSlot(rItem.Which()))
+        // do not check being registered for SlotItems
+        return false;
+
+    if (!IsInRange(rItem.Which()))
+    {
+        // get to the right pool
+        if (pImpl->mpSecondary)
+            return pImpl->mpSecondary->isSfxPoolItemRegisteredAtThisPool(rItem);
+        return false;
+    }
+
+    // we need a valid WhichID
+    assert(rItem.Which() != 0);
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+        // when no array of containers exists the Item is not registered
+        return false;
+
+    // get index (must exist due to checks above)
+    const sal_uInt16 nIndex(rItem.Which() - pImpl->mnStart);
+
+    // get registeredSfxPoolItems container
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nIndex]);
+
+    if (nullptr == pSet)
+        // when no registeredSfxPoolItems container exists the Item is not registered
+        return false;
+
+    // test if Item is registered
+    return pSet->find(&rItem) != pSet->end();
+}
+
+const SfxPoolItem* SfxItemPool::tryToGetEqualItem(const SfxPoolItem& rItem, sal_uInt16 nWhich) const
+{
+    if (IsSlot(nWhich))
+        // SlotItems are not registered @pool and not in any range
+        return nullptr;
+
+    if (!IsInRange(nWhich))
+    {
+        // get to the right pool
+        if (pImpl->mpSecondary)
+            return pImpl->mpSecondary->tryToGetEqualItem(rItem, nWhich);
+        return nullptr;
+    }
+
+    if (nullptr == ppRegisteredSfxPoolItems)
+        // no Items at all
+        return nullptr;
+
+    // get index (must exist due to checks above)
+    const sal_uInt16 nIndex(nWhich - pImpl->mnStart);
+
+    if (!Shareable_Impl(nIndex))
+        // not shareable
+        return nullptr;
+
+    // get registeredSfxPoolItems container
+    registeredSfxPoolItems* pSet(ppRegisteredSfxPoolItems[nIndex]);
+
+    if (nullptr == pSet)
+        // no registeredSfxPoolItems for this WhichID
+        return nullptr;
+
+    for (const auto& rCandidate : *pSet)
+        if (*rCandidate == rItem)
+            return rCandidate;
+
+    return nullptr;
+}
+
+void SfxItemPool::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxItemPool"));
+
+    if (nullptr != ppRegisteredSfxPoolItems)
+    {
+        registeredSfxPoolItems** ppSet(ppRegisteredSfxPoolItems);
+
+        for (sal_uInt16 a(0); a < GetSize_Impl(); a++, ppSet++)
+        {
+            if (nullptr != *ppSet)
+            {
+                for (auto& rCandidate : **ppSet)
+                {
+                    if (nullptr != rCandidate)
+                    {
+                        rCandidate->dumpAsXml(pWriter);
+                    }
+                }
+            }
+        }
+    }
+
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/itemprop.cxx b/svl/source/items/itemprop.cxx
new file mode 100644
index 0000000000..3885542f89
--- /dev/null
+++ b/svl/source/items/itemprop.cxx
@@ -0,0 +1,356 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <o3tl/any.hxx>
+#include <svl/itemprop.hxx>
+#include <svl/itempool.hxx>
+#include <svl/itemset.hxx>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <memory>
+
+/*
+ * UNO III Implementation
+ */
+using namespace com::sun::star;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::uno;
+
+SfxItemPropertyMap::SfxItemPropertyMap( std::span<const SfxItemPropertyMapEntry> pEntries )
+{
+    m_aMap.reserve(pEntries.size());
+    for (const auto & pEntry : pEntries)
+    {
+        assert(!pEntry.aName.isEmpty() && "empty name? might be something left an empty entry at the end of this array");
+        m_aMap.insert( &pEntry );
+    }
+}
+
+SfxItemPropertyMap::SfxItemPropertyMap( const SfxItemPropertyMap& rSource ) = default;
+
+SfxItemPropertyMap::~SfxItemPropertyMap()
+{
+}
+
+const SfxItemPropertyMapEntry* SfxItemPropertyMap::getByName( std::u16string_view rName ) const
+{
+    struct Compare
+    {
+        bool operator() ( const SfxItemPropertyMapEntry* lhs, std::u16string_view rhs ) const
+        {
+            return lhs->aName < rhs;
+        }
+        bool operator() ( std::u16string_view lhs, const SfxItemPropertyMapEntry* rhs ) const
+        {
+            return lhs < rhs->aName;
+        }
+    };
+    auto it = std::lower_bound(m_aMap.begin(), m_aMap.end(), rName, Compare());
+    if (it == m_aMap.end() || Compare()(rName, *it))
+        return nullptr;
+    return *it;
+}
+
+uno::Sequence<beans::Property> const & SfxItemPropertyMap::getProperties() const
+{
+    if( !m_aPropSeq.hasElements() )
+    {
+        m_aPropSeq.realloc( m_aMap.size() );
+        beans::Property* pPropArray = m_aPropSeq.getArray();
+        sal_uInt32 n = 0;
+        for( const SfxItemPropertyMapEntry* pEntry : m_aMap )
+        {
+            pPropArray[n].Name = pEntry->aName;
+            pPropArray[n].Handle = pEntry->nWID;
+            pPropArray[n].Type = pEntry->aType;
+            pPropArray[n].Attributes =
+                sal::static_int_cast< sal_Int16 >(pEntry->nFlags);
+            n++;
+        }
+    }
+
+    return m_aPropSeq;
+}
+
+beans::Property SfxItemPropertyMap::getPropertyByName( const OUString& rName ) const
+{
+    const SfxItemPropertyMapEntry* pEntry = getByName(rName);
+    if( !pEntry )
+        throw UnknownPropertyException(rName);
+    beans::Property aProp;
+    aProp.Name = rName;
+    aProp.Handle = pEntry->nWID;
+    aProp.Type = pEntry->aType;
+    aProp.Attributes = sal::static_int_cast< sal_Int16 >(pEntry->nFlags);
+    return aProp;
+}
+
+bool SfxItemPropertyMap::hasPropertyByName( std::u16string_view rName ) const
+{
+    return getByName(rName) != nullptr;
+}
+
+SfxItemPropertySet::~SfxItemPropertySet()
+{
+}
+
+void SfxItemPropertySet::getPropertyValue( const SfxItemPropertyMapEntry& rEntry,
+            const SfxItemSet& rSet, Any& rAny ) const
+{
+    // get the SfxPoolItem
+    const SfxPoolItem* pItem = nullptr;
+    SfxItemState eState = rSet.GetItemState( rEntry.nWID, true, &pItem );
+    if (SfxItemState::SET != eState && SfxItemPool::IsWhich(rEntry.nWID) )
+        pItem = &rSet.GetPool()->GetDefaultItem(rEntry.nWID);
+    // return item values as uno::Any
+    if(eState >= SfxItemState::DEFAULT && pItem)
+    {
+        pItem->QueryValue( rAny, rEntry.nMemberId );
+    }
+    else if(0 == (rEntry.nFlags & PropertyAttribute::MAYBEVOID))
+    {
+        throw RuntimeException(
+            "Property not found in ItemSet but not MAYBEVOID?", nullptr);
+    }
+
+    // convert general SfxEnumItem values to specific values
+    if( rEntry.aType.getTypeClass() == TypeClass_ENUM &&
+         rAny.getValueTypeClass() == TypeClass_LONG )
+    {
+        sal_Int32 nTmp = *o3tl::forceAccess<sal_Int32>(rAny);
+        rAny.setValue( &nTmp, rEntry.aType );
+    }
+}
+
+void SfxItemPropertySet::getPropertyValue( const OUString &rName,
+                                           const SfxItemSet& rSet, Any& rAny ) const
+{
+    // detect which-id
+    const SfxItemPropertyMapEntry* pEntry = m_aMap.getByName( rName );
+    if ( !pEntry )
+        throw UnknownPropertyException(rName);
+    getPropertyValue( *pEntry,rSet, rAny );
+}
+
+Any SfxItemPropertySet::getPropertyValue( const OUString &rName,
+                                          const SfxItemSet& rSet ) const
+{
+    Any aVal;
+    getPropertyValue( rName,rSet, aVal );
+    return aVal;
+}
+
+void SfxItemPropertySet::setPropertyValue( const SfxItemPropertyMapEntry& rEntry,
+                                           const Any& aVal,
+                                           SfxItemSet& rSet ) const
+{
+    // get the SfxPoolItem
+    const SfxPoolItem* pItem = nullptr;
+    std::unique_ptr<SfxPoolItem> pNewItem;
+    SfxItemState eState = rSet.GetItemState( rEntry.nWID, true, &pItem );
+    if (SfxItemState::SET != eState && SfxItemPool::IsWhich(rEntry.nWID))
+        pItem = &rSet.GetPool()->GetDefaultItem(rEntry.nWID);
+    if (pItem)
+    {
+        pNewItem.reset(pItem->Clone());
+    }
+    if(pNewItem)
+    {
+        if( !pNewItem->PutValue( aVal, rEntry.nMemberId ) )
+        {
+            throw IllegalArgumentException();
+        }
+        // apply new item
+        rSet.Put( std::move(pNewItem) );
+    }
+}
+
+void SfxItemPropertySet::setPropertyValue( const OUString &rName,
+                                           const Any& aVal,
+                                           SfxItemSet& rSet ) const
+{
+    const SfxItemPropertyMapEntry* pEntry = m_aMap.getByName( rName );
+    if ( !pEntry )
+    {
+        throw UnknownPropertyException(rName);
+    }
+    setPropertyValue(*pEntry, aVal, rSet);
+}
+
+PropertyState SfxItemPropertySet::getPropertyState(const SfxItemPropertyMapEntry& rEntry, const SfxItemSet& rSet) const
+    noexcept
+{
+    PropertyState eRet = PropertyState_DIRECT_VALUE;
+    sal_uInt16 nWhich = rEntry.nWID;
+
+    // Get item state
+    SfxItemState eState = rSet.GetItemState( nWhich, false );
+    // Return item value as UnoAny
+    if(eState == SfxItemState::DEFAULT)
+        eRet = PropertyState_DEFAULT_VALUE;
+    else if(eState < SfxItemState::DEFAULT)
+        eRet = PropertyState_AMBIGUOUS_VALUE;
+    return eRet;
+}
+
+PropertyState   SfxItemPropertySet::getPropertyState(const OUString& rName, const SfxItemSet& rSet) const
+{
+    PropertyState eRet = PropertyState_DIRECT_VALUE;
+
+    // Get WhichId
+    const SfxItemPropertyMapEntry* pEntry = m_aMap.getByName( rName );
+    if( !pEntry || !pEntry->nWID )
+    {
+        throw UnknownPropertyException(rName);
+    }
+    sal_uInt16 nWhich = pEntry->nWID;
+
+    // Get item state
+    SfxItemState eState = rSet.GetItemState(nWhich, false);
+    // Return item value as UnoAny
+    if(eState == SfxItemState::DEFAULT)
+        eRet = PropertyState_DEFAULT_VALUE;
+    else if(eState < SfxItemState::DEFAULT)
+        eRet = PropertyState_AMBIGUOUS_VALUE;
+    return eRet;
+}
+
+Reference<XPropertySetInfo> const & SfxItemPropertySet::getPropertySetInfo() const
+{
+    if( !m_xInfo.is() )
+        m_xInfo = new SfxItemPropertySetInfo( m_aMap );
+    return m_xInfo;
+}
+
+SfxItemPropertySetInfo::SfxItemPropertySetInfo(const SfxItemPropertyMap &rMap )
+    : m_aOwnMap( rMap )
+{
+}
+
+SfxItemPropertySetInfo::SfxItemPropertySetInfo(std::span<const SfxItemPropertyMapEntry> pEntries )
+    : m_aOwnMap( pEntries )
+{
+}
+
+Sequence< Property > SAL_CALL SfxItemPropertySetInfo::getProperties(  )
+{
+    return m_aOwnMap.getProperties();
+}
+
+SfxItemPropertySetInfo::~SfxItemPropertySetInfo()
+{
+}
+
+Property SAL_CALL SfxItemPropertySetInfo::getPropertyByName( const OUString& rName )
+{
+    return m_aOwnMap.getPropertyByName( rName );
+}
+
+sal_Bool SAL_CALL SfxItemPropertySetInfo::hasPropertyByName( const OUString& rName )
+{
+    return m_aOwnMap.hasPropertyByName( rName );
+}
+
+SfxExtItemPropertySetInfo::SfxExtItemPropertySetInfo( std::span<const SfxItemPropertyMapEntry> pEntries,
+                                                      const Sequence<Property>& rPropSeq )
+{
+    maMap.reserve(pEntries.size() + rPropSeq.getLength());
+    for (const auto & rEntry : pEntries )
+    {
+        assert(!rEntry.aName.isEmpty() && "empty name? might be something left an empty entry at the end of this array");
+        maMap.insert( rEntry );
+    }
+    for( const auto & rProp : rPropSeq )
+    {
+        SfxItemPropertyMapEntry aTemp(
+            rProp.Name,
+            sal::static_int_cast< sal_Int16 >( rProp.Handle ), //nWID
+            rProp.Type, //aType
+            rProp.Attributes,
+            0); //nFlags
+        maMap.insert( aTemp );
+    }
+}
+
+SfxExtItemPropertySetInfo::~SfxExtItemPropertySetInfo()
+{
+}
+
+Sequence< Property > SAL_CALL SfxExtItemPropertySetInfo::getProperties(  )
+{
+    if( !m_aPropSeq.hasElements() )
+    {
+        m_aPropSeq.realloc( maMap.size() );
+        beans::Property* pPropArray = m_aPropSeq.getArray();
+        sal_uInt32 n = 0;
+        for( const SfxItemPropertyMapEntry& rEntry : maMap )
+        {
+            pPropArray[n].Name = rEntry.aName;
+            pPropArray[n].Handle = rEntry.nWID;
+            pPropArray[n].Type = rEntry.aType;
+            pPropArray[n].Attributes =
+                sal::static_int_cast< sal_Int16 >(rEntry.nFlags);
+            n++;
+        }
+    }
+
+    return m_aPropSeq;
+}
+
+Property SAL_CALL SfxExtItemPropertySetInfo::getPropertyByName( const OUString& rPropertyName )
+{
+    const SfxItemPropertyMapEntry* pEntry = getByName(rPropertyName);
+    if( !pEntry )
+        throw UnknownPropertyException(rPropertyName);
+    beans::Property aProp;
+    aProp.Name = rPropertyName;
+    aProp.Handle = pEntry->nWID;
+    aProp.Type = pEntry->aType;
+    aProp.Attributes = sal::static_int_cast< sal_Int16 >(pEntry->nFlags);
+    return aProp;
+}
+
+sal_Bool SAL_CALL SfxExtItemPropertySetInfo::hasPropertyByName( const OUString& rPropertyName )
+{
+    return getByName(rPropertyName) != nullptr;
+}
+
+const SfxItemPropertyMapEntry* SfxExtItemPropertySetInfo::getByName( std::u16string_view rName ) const
+{
+    struct Compare
+    {
+        bool operator() ( const SfxItemPropertyMapEntry& lhs, std::u16string_view rhs ) const
+        {
+            return lhs.aName < rhs;
+        }
+        bool operator() ( std::u16string_view lhs, const SfxItemPropertyMapEntry& rhs ) const
+        {
+            return lhs < rhs.aName;
+        }
+    };
+    auto it = std::lower_bound(maMap.begin(), maMap.end(), rName, Compare());
+    if (it == maMap.end() || Compare()(rName, *it))
+        return nullptr;
+    return &*it;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/itemset.cxx b/svl/source/items/itemset.cxx
new file mode 100644
index 0000000000..66780cb581
--- /dev/null
+++ b/svl/source/items/itemset.cxx
@@ -0,0 +1,2068 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <string.h>
+
+#include <algorithm>
+#include <cassert>
+#include <cstddef>
+
+#include <libxml/xmlwriter.h>
+
+#include <sal/log.hxx>
+#include <svl/itemset.hxx>
+#include <svl/itempool.hxx>
+#include <svl/itemiter.hxx>
+#include <svl/setitem.hxx>
+#include <svl/whiter.hxx>
+#include <svl/voiditem.hxx>
+
+#include <items_helper.hxx>
+
+#ifdef DBG_UTIL
+static size_t nAllocatedSfxItemSetCount(0);
+static size_t nUsedSfxItemSetCount(0);
+static size_t nAllocatedSfxPoolItemHolderCount(0);
+static size_t nUsedSfxPoolItemHolderCount(0);
+size_t getAllocatedSfxItemSetCount() { return nAllocatedSfxItemSetCount; }
+size_t getUsedSfxItemSetCount() { return nUsedSfxItemSetCount; }
+size_t getAllocatedSfxPoolItemHolderCount() { return nAllocatedSfxPoolItemHolderCount; }
+size_t getUsedSfxPoolItemHolderCount() { return nUsedSfxPoolItemHolderCount; }
+#endif
+// NOTE: Only needed for one Item in SC (see notes below for
+// ScPatternAttr/ATTR_PATTERN). Still keep it so that when errors
+// come up to this change be able to quickly check using the
+// fallback flag 'ITEM_CLASSIC_MODE'
+static bool g_bItemClassicMode(getenv("ITEM_CLASSIC_MODE"));
+
+// I thought about this constructor a while, but when there is no
+// Item we need no cleanup at destruction (what we would need the
+// Pool for), so it is OK and makes default construction easier
+// when no Pool is needed. The other constructors guanantee that
+// there *cannot* be a state with Item set and Pool not set. IF
+// you change this class, ALWAYS ensure that this can not happen (!)
+SfxPoolItemHolder::SfxPoolItemHolder()
+: m_pPool(nullptr)
+, m_pItem(nullptr)
+#ifdef DBG_UTIL
+, m_bDeleted(false)
+#endif
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxPoolItemHolderCount++;
+    nUsedSfxPoolItemHolderCount++;
+#endif
+}
+
+SfxPoolItemHolder::SfxPoolItemHolder(SfxItemPool& rPool, const SfxPoolItem* pItem, bool bPassingOwnership)
+: m_pPool(&rPool)
+, m_pItem(pItem)
+#ifndef NDEBUG
+, m_bDeleted(false)
+#endif
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxPoolItemHolderCount++;
+    nUsedSfxPoolItemHolderCount++;
+#endif
+    if (nullptr != m_pItem)
+        m_pItem = implCreateItemEntry(*m_pPool, m_pItem, m_pItem->Which(), bPassingOwnership);
+}
+
+SfxPoolItemHolder::SfxPoolItemHolder(const SfxPoolItemHolder& rHolder)
+: m_pPool(rHolder.m_pPool)
+, m_pItem(rHolder.m_pItem)
+#ifndef NDEBUG
+, m_bDeleted(false)
+#endif
+{
+#ifdef DBG_UTIL
+    assert(!rHolder.isDeleted() && "Destructed instance used (!)");
+    nAllocatedSfxPoolItemHolderCount++;
+    nUsedSfxPoolItemHolderCount++;
+#endif
+    if (nullptr != m_pItem)
+        m_pItem = implCreateItemEntry(*m_pPool, m_pItem, m_pItem->Which(), false);
+}
+
+SfxPoolItemHolder::~SfxPoolItemHolder()
+{
+#ifdef DBG_UTIL
+    assert(!isDeleted() && "Destructed instance used (!)");
+    nAllocatedSfxPoolItemHolderCount--;
+#endif
+    if (nullptr != m_pItem)
+        implCleanupItemEntry(*m_pPool, m_pItem);
+#ifdef DBG_UTIL
+    m_bDeleted = true;
+#endif
+}
+
+const SfxPoolItemHolder& SfxPoolItemHolder::operator=(const SfxPoolItemHolder& rHolder)
+{
+    assert(!isDeleted() && "Destructed instance used (!)");
+    assert(!rHolder.isDeleted() && "Destructed instance used (!)");
+    if (this == &rHolder || *this == rHolder)
+        return *this;
+
+    if (nullptr != m_pItem)
+        implCleanupItemEntry(*m_pPool, m_pItem);
+
+    m_pPool = rHolder.m_pPool;
+    m_pItem = rHolder.m_pItem;
+
+    if (nullptr != m_pItem)
+        m_pItem = implCreateItemEntry(*m_pPool, m_pItem, m_pItem->Which(), false);
+
+    return *this;
+}
+
+bool SfxPoolItemHolder::operator==(const SfxPoolItemHolder &rHolder) const
+{
+    assert(!isDeleted() && "Destructed instance used (!)");
+    assert(!rHolder.isDeleted() && "Destructed instance used (!)");
+    return m_pPool == rHolder.m_pPool && areSfxPoolItemPtrsEqual(m_pItem, rHolder.m_pItem);
+}
+
+/**
+ * Ctor for a SfxItemSet with exactly the Which Ranges, which are known to
+ * the supplied SfxItemPool.
+ *
+ * For Sfx programmers: an SfxItemSet constructed in this way cannot
+ * contain any Items with SlotIds as Which values.
+ *
+ * Don't create ItemSets with full range before FreezeIdRanges()!
+ */
+SfxItemSet::SfxItemSet(SfxItemPool& rPool)
+    : m_pPool(&rPool)
+    , m_pParent(nullptr)
+    , m_nCount(0)
+    , m_nTotalCount(svl::detail::CountRanges(rPool.GetFrozenIdRanges()))
+    , m_bItemsFixed(false)
+    , m_ppItems(new SfxPoolItem const *[m_nTotalCount]{})
+    , m_pWhichRanges(rPool.GetFrozenIdRanges())
+    , m_aCallback()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+    assert(svl::detail::validRanges2(m_pWhichRanges));
+}
+
+SfxItemSet::SfxItemSet( SfxItemPool& rPool, SfxAllItemSetFlag )
+    : m_pPool(&rPool)
+    , m_pParent(nullptr)
+    , m_nCount(0)
+    , m_nTotalCount(0)
+    , m_bItemsFixed(false)
+    , m_ppItems(nullptr)
+    , m_pWhichRanges()
+    , m_aCallback()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+}
+
+/** special constructor for SfxItemSetFixed */
+SfxItemSet::SfxItemSet( SfxItemPool& rPool, WhichRangesContainer&& ranges, SfxPoolItem const ** ppItems, sal_uInt16 nTotalCount )
+    : m_pPool(&rPool)
+    , m_pParent(nullptr)
+    , m_nCount(0)
+    , m_nTotalCount(nTotalCount)
+    , m_bItemsFixed(true)
+    , m_ppItems(ppItems)
+    , m_pWhichRanges(std::move(ranges))
+    , m_aCallback()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+    assert(ppItems);
+    assert(m_pWhichRanges.size() > 0);
+    assert(svl::detail::validRanges2(m_pWhichRanges));
+}
+
+SfxItemSet::SfxItemSet(SfxItemPool& pool, WhichRangesContainer wids)
+    : m_pPool(&pool)
+    , m_pParent(nullptr)
+    , m_nCount(0)
+    , m_nTotalCount(svl::detail::CountRanges(wids))
+    , m_bItemsFixed(false)
+    , m_ppItems(new SfxPoolItem const *[m_nTotalCount]{})
+    , m_pWhichRanges(std::move(wids))
+    , m_aCallback()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+    assert(svl::detail::CountRanges(m_pWhichRanges) != 0);
+    assert(svl::detail::validRanges2(m_pWhichRanges));
+}
+
+SfxPoolItem const* implCreateItemEntry(SfxItemPool& rPool, SfxPoolItem const* pSource, sal_uInt16 nWhich, bool bPassingOwnership)
+{
+    if (nullptr == pSource)
+        // SfxItemState::UNKNOWN aka current default (nullptr)
+        // just use/return nullptr
+        return nullptr;
+
+    if (IsInvalidItem(pSource))
+        // SfxItemState::DONTCARE aka invalid item
+        // just use pSource which equals INVALID_POOL_ITEM
+        return pSource;
+
+    if (pSource->isExceptionalSCItem() && rPool.GetMasterPool()->newItem_UseDirect(*pSource))
+        // exceptional handling for *some* items, see SC
+        // (do not copy item: use directly, it is a pool default)
+        return pSource;
+
+    // CAUTION: static default items are not *that* static as it seems
+    // (or: should be). If they are freed with the Pool (see
+    // ::ReleaseDefaults) they will be deleted. Same is true for
+    // dynamic defaults. Thus currently no default can be shared
+    // at all since these may be deleted with the pool owning them.
+    // That these are not shared but cloned is ensured by those
+    // having a default RefCount of zero, so these are used merely as
+    // templates.
+    // if (IsStaticDefaultItem(pSource))
+    //     return pSource;
+
+    if (0 == pSource->Which())
+        // These *should* be SfxVoidItem(0) the only Items with 0 == WhichID,
+        // these need to be cloned (currently...)
+        return pSource->Clone();
+
+    // get correct target WhichID
+    if (0 == nWhich)
+        nWhich = pSource->Which();
+
+    if (SfxItemPool::IsSlot(nWhich))
+    {
+        // SlotItems were always cloned in original (even when bPassingOwnership),
+        // so do that here, too (but without bPassingOwnership).
+        // They do not need to be registered at pool (actually impossible, pools
+        // do not have entries for SlotItems) so handle here early
+        if (!bPassingOwnership)
+            pSource = pSource->Clone(rPool.GetMasterPool());
+
+        if (pSource->Which() != nWhich)
+            const_cast<SfxPoolItem*>(pSource)->SetWhich(nWhich);
+
+        pSource->AddRef();
+        return pSource;
+    }
+
+    // get the pool with which ItemSets have to work, plus get the
+    // pool at which the WhichID is defined, so calls to it do not
+    // have to do this repeatedly
+    SfxItemPool* pMasterPool(rPool.GetMasterPool());
+    assert(nullptr != pMasterPool);
+    SfxItemPool* pTargetPool(pMasterPool);
+    while (!pTargetPool->IsInRange(nWhich))
+        pTargetPool = pTargetPool->GetSecondaryPool();
+
+    // if this goes wrong, an Item with invalid ID for this pool is
+    // processed. This is not allowed (and should not happen, e.g.
+    // ItemSets already have WhichRanges that are checked against
+    // their Pool)
+    if (nullptr == pTargetPool)
+    {
+        assert(false);
+        return pSource;
+    }
+
+    // CAUTION: Shareable_Impl and NeedsPoolRegistration_Impl
+    // use index, not WhichID (one more reason to change the Pools)
+    const sal_uInt16 nIndex(pTargetPool->GetIndex_Impl(nWhich));
+
+    // the Item itself is shareable when it already is used somewhere
+    // which is equivalent to be referenced already. IsPooledItem also
+    // checked for SFX_ITEMS_MAXREF, that is not needed here. Use a
+    // fake 'while' loop and 'break' to make this better readable
+
+    // only try to share items that are already shared somehow, else
+    // these items are probably not (heap) item-ptr's (but on the
+    // stack or else)
+    while(pSource->GetRefCount() > 0)
+    {
+        if (pSource->Which() != nWhich)
+            // If the target WhichID differs from the WhichID of a shared Item
+            // the item needs to be cloned. This happens, e.g. in
+            // ScPatternAttr::GetFromEditItemSet existing items with WhichIDs
+            // from EditEngine get set at a SetItem's ItemSet with different
+            // target ranges (e.g. look for ATTR_FONT_UNDERLINE)
+            break;
+
+        if (!pTargetPool->Shareable_Impl(nIndex))
+            // not shareable, done
+            break;
+
+        // SfxSetItems cannot be shared if they are in/use another pool
+        if (pSource->isSetItem() && static_cast<const SfxSetItem*>(pSource)->GetItemSet().GetPool() != pMasterPool)
+            break;
+
+        // If the Item is registered it is pool-dependent, so do not share when
+        // it is registered but not at this pool
+        if (pSource->isRegisteredAtPool() && !pTargetPool->isSfxPoolItemRegisteredAtThisPool(*pSource))
+            break;
+
+        // If we get here we can share the Item
+        pSource->AddRef();
+        return pSource;
+    }
+
+    // g_bItemClassicMode: try finding already existing item
+    // NOTE: the UnitTest testIteratorsDefPattern claims that that Item "can be
+    //   edited by the user" which explains why it breaks so many rules for Items,
+    //   it behaves like an alien. That Item in the SC Pool claims to be a
+    //   'StaticDefault' and gets changed (..?)
+
+    // only do this if classic mode or required (calls from Pool::Direct*)
+    while(g_bItemClassicMode || pSource->isExceptionalSCItem())
+    {
+        if (!pTargetPool->Shareable_Impl(nIndex))
+            // not shareable, so no need to search for identical item
+            break;
+
+        // try to get equal Item. This is the expensive part...
+        const SfxPoolItem* pExisting(pTargetPool->tryToGetEqualItem(*pSource, nWhich));
+
+        if (nullptr == pExisting)
+            // none found, done
+            break;
+
+        if (0 == pExisting->GetRefCount())
+            // do not share not-yet shared Items (should not happen)
+            break;
+
+        if (bPassingOwnership)
+            // need to cleanup if we are offered to own pSource
+            delete pSource;
+
+        // If we get here we can share the found Item
+        pExisting->AddRef();
+        return pExisting;
+    }
+
+    // check if the handed over and to be directly used item is a
+    // SfxSetItem, that would make it pool-dependent. It then must have
+    // the same target-pool, ensure that by the cost of cloning it
+    // (should not happen)
+    if (bPassingOwnership
+        && pSource->isSetItem()
+        && static_cast<const SfxSetItem*>(pSource)->GetItemSet().GetPool() != pMasterPool)
+    {
+        const SfxPoolItem* pOld(pSource);
+        pSource = pSource->Clone(pMasterPool);
+        delete pOld;
+    }
+
+    // when we reach this line we know that we have to add/create a new item. If
+    // bPassingOwnership is given just use the item, else clone it
+    if (!bPassingOwnership)
+        pSource = pSource->Clone(pMasterPool);
+
+    // ensure WhichID @Item
+    if (pSource->Which() != nWhich)
+        const_cast<SfxPoolItem*>(pSource)->SetWhich(nWhich);
+
+    // increase RefCnt 0->1
+    pSource->AddRef();
+
+    // Unfortunately e,g, SC does 'special' things for some new Items,
+    // so we need to give the opportunity for this. To limit this to
+    // the needed cases, use m_bExceptionalSCItem flag at item
+    if (pSource->isExceptionalSCItem())
+        pMasterPool->newItem_Callback(*pSource);
+
+    // try to register @Pool (only needed if not yet registered)
+    if (!pSource->isRegisteredAtPool())
+    {
+        bool bRegisterAtPool(pSource->isExceptionalSCItem());
+
+        if (!bRegisterAtPool)
+        {
+            if (g_bItemClassicMode)
+            {
+                // in classic mode register only/all shareable items
+                bRegisterAtPool = pTargetPool->Shareable_Impl(nIndex);
+            }
+            else
+            {
+                // in new mode register only/all items marked as need to be registered
+                bRegisterAtPool = pTargetPool->NeedsPoolRegistration_Impl(nIndex);
+            }
+        }
+
+        if (bRegisterAtPool)
+            pTargetPool->registerSfxPoolItem(*pSource);
+    }
+
+    return pSource;
+}
+
+void implCleanupItemEntry(SfxItemPool& rPool, SfxPoolItem const* pSource)
+{
+    if (nullptr == pSource)
+        // no entry, done
+        return;
+
+    if (IsInvalidItem(pSource))
+        // nothing to do for invalid item entries
+        return;
+
+    if (pSource->isExceptionalSCItem() && rPool.GetMasterPool()->newItem_UseDirect(*pSource))
+        // exceptional handling for *some* items, see SC
+        // do not delete Item, it is a pool default
+        return;
+
+    if (0 == pSource->Which())
+    {
+        // de-register when registered @pool
+        if (pSource->isRegisteredAtPool())
+            rPool.unregisterSfxPoolItem(*pSource);
+
+        // These *should* be SfxVoidItem(0) the only Items with 0 == WhichID
+        // and need to be deleted
+        delete pSource;
+        return;
+    }
+
+    if (1 < pSource->GetRefCount())
+    {
+        // Still multiple references present, so just alter the RefCount
+        pSource->ReleaseRef();
+        return;
+    }
+
+    if (IsDefaultItem(pSource))
+        // default items (static and dynamic) are owned by the pool, do not delete
+        return;
+
+    // decrease RefCnt before deleting (destructor asserts for it and that's
+    // good to find other errors)
+    pSource->ReleaseRef();
+
+    // de-register before deletion when registered @pool
+    if (pSource->isRegisteredAtPool())
+        rPool.unregisterSfxPoolItem(*pSource);
+
+    // delete Item
+    delete pSource;
+}
+
+SfxItemSet::SfxItemSet( const SfxItemSet& rASet )
+    : m_pPool( rASet.m_pPool )
+    , m_pParent( rASet.m_pParent )
+    , m_nCount( rASet.m_nCount )
+    , m_nTotalCount( rASet.m_nTotalCount )
+    , m_bItemsFixed(false)
+    , m_ppItems(nullptr)
+    , m_pWhichRanges( rASet.m_pWhichRanges )
+    , m_aCallback(rASet.m_aCallback)
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+    if (rASet.GetRanges().empty())
+    {
+        return;
+    }
+
+    if (0 == rASet.Count())
+    {
+        // no Items set in source ItemSet, allocate new array
+        // *plus* init to nullptr
+        m_ppItems = new const SfxPoolItem* [TotalCount()]{};
+        return;
+    }
+
+    // allocate new array (no need to initialize, will be done below)
+    m_ppItems = new const SfxPoolItem* [TotalCount()];
+
+    // Copy attributes
+    SfxPoolItem const** ppDst(m_ppItems);
+
+    for (const auto& rSource : rASet)
+    {
+        *ppDst = implCreateItemEntry(*GetPool(), rSource, 0, false);
+        ppDst++;
+    }
+
+    assert(svl::detail::validRanges2(m_pWhichRanges));
+}
+
+SfxItemSet::SfxItemSet(SfxItemSet&& rASet) noexcept
+    : m_pPool( rASet.m_pPool )
+    , m_pParent( rASet.m_pParent )
+    , m_nCount( rASet.m_nCount )
+    , m_nTotalCount( rASet.m_nTotalCount )
+    , m_bItemsFixed(false)
+    , m_ppItems( rASet.m_ppItems )
+    , m_pWhichRanges( std::move(rASet.m_pWhichRanges) )
+    , m_aCallback(rASet.m_aCallback)
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount++;
+    nUsedSfxItemSetCount++;
+#endif
+    if (rASet.m_bItemsFixed)
+    {
+        // have to make a copy
+        m_ppItems = new const SfxPoolItem* [TotalCount()];
+
+        // can just copy the pointers, the ones in the original m_ppItems
+        // array will no longer be used/referenced (unused mem, but not lost,
+        // it's part of the ItemSet-derived object)
+        std::copy(rASet.m_ppItems, rASet.m_ppItems + TotalCount(), m_ppItems);
+    }
+    else
+    {
+        // taking over ownership
+        rASet.m_nTotalCount = 0;
+        rASet.m_ppItems = nullptr;
+    }
+    rASet.m_pPool = nullptr;
+    rASet.m_pParent = nullptr;
+    rASet.m_nCount = 0;
+
+    assert(svl::detail::validRanges2(m_pWhichRanges));
+}
+
+SfxItemSet::~SfxItemSet()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxItemSetCount--;
+#endif
+    // cleanup items. No std::fill needed, we are done with this ItemSet.
+    // the callback is not set in destructor, so no worries about that
+    ClearAllItemsImpl();
+
+    if (!m_bItemsFixed)
+    {
+        // free SfxPoolItem array
+        delete[] m_ppItems;
+    }
+
+    // for invariant-testing
+    m_pWhichRanges.reset();
+}
+
+// Delete single Items or all Items (nWhich == 0)
+sal_uInt16 SfxItemSet::ClearItem( sal_uInt16 nWhich )
+{
+    if( !Count() )
+        return 0;
+
+    if( nWhich )
+        return ClearSingleItem_ForWhichID(nWhich);
+
+    // clear all & reset to nullptr
+    const sal_uInt16 nRetval(ClearAllItemsImpl());
+    std::fill(begin(), begin() + TotalCount(), nullptr);
+    return nRetval;
+}
+
+sal_uInt16 SfxItemSet::ClearSingleItem_ForWhichID( sal_uInt16 nWhich )
+{
+    const sal_uInt16 nOffset(GetRanges().getOffsetFromWhich(nWhich));
+
+    if (INVALID_WHICHPAIR_OFFSET != nOffset)
+    {
+        // found, continue with offset
+        return ClearSingleItem_ForOffset(nOffset);
+    }
+
+    // not found, return sal_uInt16 nDel = 0;
+    return 0;
+}
+
+sal_uInt16 SfxItemSet::ClearSingleItem_ForOffset( sal_uInt16 nOffset )
+{
+    assert(nOffset < TotalCount());
+    const_iterator aEntry(begin() + nOffset);
+    assert(nullptr == *aEntry || IsInvalidItem(*aEntry) || (*aEntry)->isVoidItem() || 0 != (*aEntry)->Which());
+
+    if (nullptr == *aEntry)
+        // no entry, done
+        return 0;
+
+    // we reset an entry to nullptr -> decrement count
+    --m_nCount;
+
+    // Notification-Callback
+    if(m_aCallback)
+    {
+        m_aCallback(*aEntry, nullptr);
+    }
+
+    // cleanup item & reset ptr
+    implCleanupItemEntry(*GetPool(), *aEntry);
+    *aEntry = nullptr;
+
+    return 1;
+}
+
+sal_uInt16 SfxItemSet::ClearAllItemsImpl()
+{
+    if (0 == Count())
+        // no items set, done
+        return 0;
+
+    // loop & cleanup items
+    for (auto& rCandidate : *this)
+    {
+        if (nullptr != rCandidate && m_aCallback)
+        {
+            m_aCallback(rCandidate, nullptr);
+        }
+
+        implCleanupItemEntry(*GetPool(), rCandidate);
+    }
+
+    // remember count before resetting it, that is the retval
+    const sal_uInt16 nRetval(Count());
+    m_nCount = 0;
+    return nRetval;
+}
+
+void SfxItemSet::ClearInvalidItems()
+{
+    if (0 == Count())
+        // no items set, done
+        return;
+
+    // loop, here using const_iterator due to need to set ptr in m_ppItems array
+    for (const_iterator candidate(begin()); candidate != end(); candidate++)
+    {
+        if (IsInvalidItem(*candidate))
+        {
+            *candidate = nullptr;
+            --m_nCount;
+        }
+    }
+}
+
+void SfxItemSet::InvalidateAllItems()
+{
+    // instead of just asserting, do the change. Clear all items
+    ClearAllItemsImpl();
+
+    // set all to invalid
+    std::fill(begin(), begin() + TotalCount(), INVALID_POOL_ITEM);
+
+    // ...and correct the count - invalid items get counted
+    m_nCount = m_nTotalCount;
+}
+
+SfxItemState SfxItemSet::GetItemState_ForWhichID( SfxItemState eState, sal_uInt16 nWhich, bool bSrchInParent, const SfxPoolItem **ppItem) const
+{
+    const sal_uInt16 nOffset(GetRanges().getOffsetFromWhich(nWhich));
+
+    if (INVALID_WHICHPAIR_OFFSET != nOffset)
+    {
+        // found, continue with offset
+        eState = GetItemState_ForOffset(nOffset, ppItem);
+    }
+
+    // search in parent?
+    if (bSrchInParent && nullptr != GetParent() && (SfxItemState::UNKNOWN == eState || SfxItemState::DEFAULT == eState))
+    {
+        // nOffset was only valid for *local* SfxItemSet, need to continue with WhichID
+        // Use the *highest* SfxItemState as result
+        return GetParent()->GetItemState_ForWhichID( eState, nWhich, true, ppItem);
+    }
+
+    return eState;
+}
+
+SfxItemState SfxItemSet::GetItemState_ForOffset( sal_uInt16 nOffset, const SfxPoolItem **ppItem) const
+{
+    // check and assert from invalid offset. The caller is responsible for
+    // ensuring a valid offset (see callers, all checked & safe)
+    assert(nOffset < TotalCount());
+    SfxPoolItem const* pCandidate(*(begin() + nOffset));
+
+    if (nullptr == pCandidate)
+        // set to Default
+        return SfxItemState::DEFAULT;
+
+    if (IsInvalidItem(pCandidate))
+        // Different ones are present
+        return SfxItemState::DONTCARE;
+
+    if (pCandidate->isVoidItem())
+        // Item is Disabled
+        return SfxItemState::DISABLED;
+
+    if (nullptr != ppItem)
+        // if we have the Item, add it to output an hand back
+        *ppItem = pCandidate;
+
+    // Item is set
+    return SfxItemState::SET;
+}
+
+bool SfxItemSet::HasItem(sal_uInt16 nWhich, const SfxPoolItem** ppItem) const
+{
+    const bool bRet(SfxItemState::SET == GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, true, ppItem));
+
+    // we need to reset ppItem when it was *not* set by GetItemState_ForWhichID
+    // since many usages of that return parameter re-use it, so it might still
+    // be set to 'something'
+    if (!bRet && nullptr != ppItem)
+    {
+        *ppItem = nullptr;
+    }
+
+    return bRet;
+}
+
+const SfxPoolItem* SfxItemSet::PutImpl(const SfxPoolItem& rItem, sal_uInt16 nWhich, bool bPassingOwnership)
+{
+    bool bActionNeeded(0 != nWhich);
+    sal_uInt16 nOffset(INVALID_WHICHPAIR_OFFSET);
+
+#ifdef _WIN32
+    // Win build *insists* for initialization, triggers warning C4701:
+    // "potentially uninitialized local variable 'aEntry' used" for
+    // lines below. This is not the case here, but I know of no way
+    // to silence the warning in another way
+    const_iterator aEntry(begin());
+#else
+    const_iterator aEntry;
+#endif
+
+    if (bActionNeeded)
+    {
+        nOffset = GetRanges().getOffsetFromWhich(nWhich);
+        bActionNeeded = (INVALID_WHICHPAIR_OFFSET != nOffset);
+    }
+
+    if (bActionNeeded)
+    {
+        aEntry = begin() + nOffset;
+
+        if (nullptr == *aEntry)
+        {
+            // increase count if there was no entry before
+            ++m_nCount;
+        }
+        else
+        {
+            // compare items, evtl. containing content compare
+            bActionNeeded = !SfxPoolItem::areSame(**aEntry, rItem);
+        }
+    }
+
+    if (!bActionNeeded)
+    {
+        if (bPassingOwnership)
+        {
+            delete &rItem;
+        }
+
+        return nullptr;
+    }
+
+    // prepare new entry
+    SfxPoolItem const* pNew(implCreateItemEntry(*GetPool(), &rItem, nWhich, bPassingOwnership));
+
+    // Notification-Callback
+    if(m_aCallback)
+    {
+        m_aCallback(*aEntry, pNew);
+    }
+
+    // cleanup old entry & set entry at m_ppItems array
+    implCleanupItemEntry(*GetPool(), *aEntry);
+    *aEntry = pNew;
+
+    return pNew;
+}
+
+bool SfxItemSet::Put(const SfxItemSet& rSource, bool bInvalidAsDefault)
+{
+    if (0 == rSource.Count())
+        // no items in source, done
+        return false;
+
+    const_iterator aSource(rSource.begin());
+    sal_uInt16 nNumberToGo(rSource.Count());
+    bool bRetval(false);
+
+    // iterate based on WhichIDs to have it available for evtl. PutImpl calls
+    for (const WhichPair& rPair : rSource.GetRanges())
+    {
+        for (sal_uInt16 nWhich(rPair.first); nWhich <= rPair.second; nWhich++, aSource++)
+        {
+            if (nullptr != *aSource)
+            {
+                nNumberToGo--;
+
+                if (IsInvalidItem(*aSource))
+                {
+                    if (bInvalidAsDefault)
+                    {
+                        bRetval |= 0 != ClearSingleItem_ForWhichID(nWhich);
+                    }
+                    else
+                    {
+                        InvalidateItem_ForWhichID(nWhich);
+                    }
+                }
+                else
+                {
+                    bRetval |= nullptr != PutImpl(**aSource, nWhich, false);
+                }
+            }
+
+            if (0 == nNumberToGo)
+            {
+                // we can return early if all set Items are handled
+                return bRetval;
+            }
+        }
+    }
+
+    return bRetval;
+}
+
+/**
+ * This method takes the Items from the 'rSet' and adds to '*this'.
+ * Which ranges in '*this' that are non-existent in 'rSet' will not
+ * be altered. The Which range of '*this' is also not changed.
+ *
+ * Items set in 'rSet' are also set in '*this'.
+ * Default (0 pointer) and Invalid (-1 pointer) Items are processed
+ * according to their parameter 'eDontCareAs' and 'eDefaultAs':
+ *
+ * SfxItemState::SET:       Hard set to the default of the Pool
+ * SfxItemState::DEFAULT:   Deleted (0 pointer)
+ * SfxItemState::DONTCARE:  Invalid (-1 pointer)
+ *
+ * NB: All other values for 'eDontCareAs' and 'eDefaultAs' are invalid
+ */
+void SfxItemSet::PutExtended
+(
+    const SfxItemSet&   rSource,        // Source of the Items to be put
+    SfxItemState        eDontCareAs,    // What will happen to the DontCare Items
+    SfxItemState        eDefaultAs      // What will happen to the Default Items
+)
+{
+    // don't "optimize" with "if( rSource.Count()" because of dontcare + defaults
+    const_iterator aSource(rSource.begin());
+
+    for (const WhichPair& rPair : rSource.GetRanges())
+    {
+        for (sal_uInt16 nWhich = rPair.first; nWhich <= rPair.second; nWhich++, aSource++)
+        {
+            if (nullptr != *aSource)
+            {
+                if (IsInvalidItem(*aSource))
+                {
+                    // Item is DontCare:
+                    switch (eDontCareAs)
+                    {
+                        case SfxItemState::SET:
+                            PutImpl(rSource.GetPool()->GetDefaultItem(nWhich), nWhich, false);
+                            break;
+
+                        case SfxItemState::DEFAULT:
+                            ClearSingleItem_ForWhichID(nWhich);
+                            break;
+
+                        case SfxItemState::DONTCARE:
+                            InvalidateItem_ForWhichID(nWhich);
+                            break;
+
+                        default:
+                            assert(!"invalid Argument for eDontCareAs");
+                    }
+                }
+                else
+                {
+                    // Item is set:
+                    PutImpl(**aSource, nWhich, false);
+                }
+            }
+            else
+            {
+                // Item is default:
+                switch (eDefaultAs)
+                {
+                    case SfxItemState::SET:
+                        PutImpl(rSource.GetPool()->GetDefaultItem(nWhich), nWhich, false);
+                        break;
+
+                    case SfxItemState::DEFAULT:
+                        ClearSingleItem_ForWhichID(nWhich);
+                        break;
+
+                    case SfxItemState::DONTCARE:
+                        InvalidateItem_ForWhichID(nWhich);
+                        break;
+
+                    default:
+                        assert(!"invalid Argument for eDefaultAs");
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Expands the ranges of settable items by 'nFrom' to 'nTo'. Keeps state of
+ * items which are new ranges too.
+ */
+void SfxItemSet::MergeRange( sal_uInt16 nFrom, sal_uInt16 nTo )
+{
+    // check if all from new range are already included. This will
+    // use the cache in WhichRangesContainer since we check linearly.
+    // Start with assuming all are included, but only if not empty.
+    // If empty all included is wrong (and GetRanges().MergeRange
+    // will do the right thing/shortcut)
+    bool bAllIncluded(!GetRanges().empty());
+
+    for (sal_uInt16 a(nFrom); bAllIncluded && a <= nTo; a++)
+        if (INVALID_WHICHPAIR_OFFSET == GetRanges().getOffsetFromWhich(a))
+            bAllIncluded = false;
+
+    // if yes, we are done
+    if (bAllIncluded)
+        return;
+
+    // need to create new WhichRanges
+    auto pNewRanges = m_pWhichRanges.MergeRange(nFrom, nTo);
+    RecreateRanges_Impl(pNewRanges);
+    m_pWhichRanges = std::move(pNewRanges);
+}
+
+/**
+ * Modifies the ranges of settable items. Keeps state of items which
+ * are new ranges too.
+ */
+void SfxItemSet::SetRanges( const WhichRangesContainer& pNewRanges )
+{
+    // Identical Ranges?
+    if (GetRanges() == pNewRanges)
+        return;
+
+    assert(svl::detail::validRanges2(pNewRanges));
+    RecreateRanges_Impl(pNewRanges);
+    m_pWhichRanges = pNewRanges;
+}
+
+void SfxItemSet::SetRanges( WhichRangesContainer&& pNewRanges )
+{
+    // Identical Ranges?
+    if (GetRanges() == pNewRanges)
+        return;
+
+    assert(svl::detail::validRanges2(pNewRanges));
+    RecreateRanges_Impl(pNewRanges);
+    m_pWhichRanges = std::move(pNewRanges);
+}
+
+void SfxItemSet::RecreateRanges_Impl(const WhichRangesContainer& rNewRanges)
+{
+    // create new item-array (by iterating through all new ranges)
+    const sal_uInt16 nNewTotalCount(svl::detail::CountRanges(rNewRanges));
+    SfxPoolItem const** aNewItemArray(new const SfxPoolItem* [nNewTotalCount]);
+    sal_uInt16 nNewCount(0);
+
+    if (0 == Count())
+    {
+        // no Items set, just reset to nullptr (default)
+        std::fill(aNewItemArray, aNewItemArray + nNewTotalCount, nullptr);
+    }
+    else
+    {
+        // iterate over target - all entries there need to be set/initialized. Use
+        // WhichIDs, we need to access two different WhichRanges
+        const_iterator aNewTarget(aNewItemArray);
+
+        for (auto const & rNewRange : rNewRanges)
+        {
+            for (sal_uInt16 nWhich(rNewRange.first); nWhich <= rNewRange.second; nWhich++, aNewTarget++)
+            {
+                // check if we have that WhichID in source ranges
+                const sal_uInt16 nSourceOffset(GetRanges().getOffsetFromWhich(nWhich));
+
+                if (INVALID_WHICHPAIR_OFFSET == nSourceOffset)
+                {
+                    // no entry in source, init to nullptr
+                    *aNewTarget = nullptr;
+                }
+                else
+                {
+                    // we have entry in source, transfer entry - whatever it may be,
+                    // also for nullptr (for initialization)
+                    const_iterator aSourceEntry(begin() + nSourceOffset);
+                    *aNewTarget = *aSourceEntry;
+
+                    // take care of new Count
+                    if (nullptr != *aNewTarget)
+                    {
+                        nNewCount++;
+                    }
+
+                    // reset entry, since it got transferred it should not be cleaned-up
+                    *aSourceEntry = nullptr;
+                }
+            }
+        }
+
+        // free old items: only necessary when not all Items were transferred
+        if (nNewCount != Count())
+        {
+            ClearAllItemsImpl();
+        }
+    }
+
+    // replace old items-array and ranges
+    if (m_bItemsFixed)
+    {
+        m_bItemsFixed = false;
+    }
+    else
+    {
+        delete[] m_ppItems;
+    }
+
+    m_nTotalCount = nNewTotalCount;
+    m_ppItems = aNewItemArray;
+    m_nCount = nNewCount;
+}
+
+/**
+ * The SfxItemSet takes over exactly those SfxPoolItems that are
+ * set in rSet and are in their own Which range. All others are removed.
+ * The SfxItemPool is retained, such that SfxPoolItems that have been
+ * taken over, are moved from the rSet's SfxItemPool to the SfxItemPool
+ * of *this.
+ *
+ * SfxPoolItems in rSet, for which holds 'IsInvalidItem() == true' are
+ * taken over as invalid items.
+ *
+ * @return bool true
+ *              SfxPoolItems have been taken over
+ *
+ *              false
+ *              No SfxPoolItems have been taken over, because
+ *              e.g. the Which ranges of SfxItemSets are not intersecting
+ *              or the intersection does not contain SfxPoolItems that are
+ *              set in rSet
+ */
+bool SfxItemSet::Set
+(
+    const SfxItemSet&   rSet,   /*  The SfxItemSet, whose SfxPoolItems are
+                                    to been taken over */
+
+    bool                bDeep   /*  true (default)
+
+                                    The SfxPoolItems from the parents that may
+                                    be present in rSet, are also taken over into
+                                    this SfxPoolItemSet
+
+                                    false
+                                    The SfxPoolItems from the parents of
+                                    rSet are not taken into account */
+)
+{
+    bool bRet = false;
+    if (Count())
+        ClearItem();
+    if ( bDeep )
+    {
+        SfxWhichIter aIter1(*this);
+        SfxWhichIter aIter2(rSet);
+        sal_uInt16 nWhich1 = aIter1.FirstWhich();
+        sal_uInt16 nWhich2 = aIter2.FirstWhich();
+        for (;;)
+        {
+            if (!nWhich1 || !nWhich2)
+                break;
+            if (nWhich1 > nWhich2)
+            {
+                nWhich2 = aIter2.NextWhich();
+                continue;
+            }
+            if (nWhich1 < nWhich2)
+            {
+                nWhich1 = aIter1.NextWhich();
+                continue;
+            }
+            const SfxPoolItem* pItem;
+            if( SfxItemState::SET == aIter2.GetItemState( true, &pItem ) )
+                bRet |= nullptr != Put( *pItem, pItem->Which() );
+            nWhich1 = aIter1.NextWhich();
+            nWhich2 = aIter2.NextWhich();
+        }
+    }
+    else
+        bRet = Put(rSet, false);
+
+    return bRet;
+}
+
+const SfxPoolItem* SfxItemSet::GetItem(sal_uInt16 nId, bool bSearchInParent) const
+{
+    // evtl. Convert from SlotID to WhichId
+    const sal_uInt16 nWhich(GetPool()->GetWhich(nId));
+
+    // Is the Item set or 'bDeep == true' available?
+    const SfxPoolItem *pItem(nullptr);
+    const SfxItemState eState(GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, bSearchInParent, &pItem));
+
+    if (bSearchInParent && SfxItemState::DEFAULT == eState && SfxItemPool::IsWhich(nWhich))
+    {
+        pItem = &GetPool()->GetDefaultItem(nWhich);
+    }
+
+    return pItem;
+}
+
+const SfxPoolItem& SfxItemSet::Get( sal_uInt16 nWhich, bool bSrchInParent) const
+{
+    // Search the Range in which the Which is located in:
+    const sal_uInt16 nOffset(GetRanges().getOffsetFromWhich(nWhich));
+
+    if (INVALID_WHICHPAIR_OFFSET != nOffset)
+    {
+        const_iterator aFoundOne(begin() + nOffset);
+
+        if (nullptr != *aFoundOne)
+        {
+            if (IsInvalidItem(*aFoundOne))
+            {
+                //FIXME: The following code is duplicated further down
+                assert(m_pPool);
+                //!((SfxAllItemSet *)this)->aDefault.SetWhich(nWhich);
+                //!return aDefault;
+                return GetPool()->GetDefaultItem(nWhich);
+            }
+#ifdef DBG_UTIL
+            const SfxPoolItem *pItem = *aFoundOne;
+            if ( pItem->isVoidItem() || !pItem->Which() )
+                SAL_INFO("svl.items", "SFX_WARNING: Getting disabled Item");
+#endif
+            return **aFoundOne;
+        }
+    }
+
+    if (bSrchInParent && nullptr != GetParent())
+    {
+        return GetParent()->Get(nWhich, bSrchInParent);
+    }
+
+    // Get the Default from the Pool and return
+    assert(m_pPool);
+    return GetPool()->GetDefaultItem(nWhich);
+}
+
+/**
+ * Only retain the Items that are also present in rSet
+ * (nevermind their value).
+ */
+void SfxItemSet::Intersect( const SfxItemSet& rSet )
+{
+    // Delete all Items not contained in rSet
+    assert(m_pPool && "Not implemented without Pool");
+
+    if (!Count() || this == &rSet)
+        // none set -> none to delete
+        // same ItemSet? -> no Items not contained
+        return;
+
+    if (!rSet.Count())
+    {
+        // no Items contained in rSet -> Delete everything
+        ClearItem();
+        return;
+    }
+
+    // CAUTION: In the former impl, the
+    // - version for different ranges checked for SfxItemState::UNKNOWN
+    //   in rSet -> this means that the WhichID is *not* defined in
+    //   the ranges of rSet *at all* > definitely an *error*
+    // - version for same ranges checked for
+    //   nullptr != local && nullptr == rSet.
+    // All together I think also using the text
+    // "Delete all Items not contained in rSet" leads to
+    // locally delete all Items that are *not* set in rSet
+    // -> != SfxItemState::SET
+
+    // same ranges?
+    if (GetRanges() == rSet.GetRanges())
+    {
+        for (sal_uInt16 nOffset(0); nOffset < TotalCount(); nOffset++)
+        {
+            if (SfxItemState::SET != rSet.GetItemState_ForOffset(nOffset, nullptr))
+            {
+                // can use same offset
+                ClearSingleItem_ForOffset(nOffset);
+            }
+        }
+    }
+    else
+    {
+        sal_uInt16 nOffset(0);
+
+        for (auto const & rRange : GetRanges())
+        {
+            for (sal_uInt16 nWhich(rRange.first); nWhich <= rRange.second; nWhich++, nOffset++)
+            {
+                if (SfxItemState::SET != rSet.GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, false, nullptr))
+                {
+                    // can use offset
+                    ClearSingleItem_ForOffset(nOffset);
+                }
+            }
+        }
+    }
+}
+
+void SfxItemSet::Differentiate(const SfxItemSet& rSet)
+{
+    assert(m_pPool && "Not implemented without Pool");
+
+    // Delete all Items contained in rSet
+    if (!Count() || !rSet.Count())
+        // None set?
+        return;
+
+    if (this == &rSet)
+    {
+        // same ItemSet, all Items are contained -> Delete everything
+        ClearItem();
+        return;
+    }
+
+    // CAUTION: In the former impl, the
+    // - version for different ranges checked for SfxItemState::SET
+    //   in rSet
+    // - version for same ranges checked for
+    //   nullptr != local && nullptr != rSet.
+    // All together I think also using the text
+    // "Delete all Items contained in rSet" leads to
+    // locally delete all Items that *are *not* set in rSet
+    // -> ==SfxItemState::SET
+
+    // same ranges?
+    if (GetRanges() == rSet.GetRanges())
+    {
+        for (sal_uInt16 nOffset(0); nOffset < TotalCount(); nOffset++)
+        {
+            if (SfxItemState::SET == rSet.GetItemState_ForOffset(nOffset, nullptr))
+            {
+                // can use same offset
+                ClearSingleItem_ForOffset(nOffset);
+            }
+        }
+    }
+    else
+    {
+        sal_uInt16 nOffset(0);
+
+        for (auto const & rRange : GetRanges())
+        {
+            for (sal_uInt16 nWhich(rRange.first); nWhich <= rRange.second; nWhich++, nOffset++)
+            {
+                if (SfxItemState::SET == rSet.GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, false, nullptr))
+                {
+                    // can use offset
+                    ClearSingleItem_ForOffset(nOffset);
+                }
+            }
+        }
+    }
+}
+
+/**
+ * Decision table for MergeValue(s)
+ *
+ * Principles:
+ * 1. If the Which value in the 1st set is "unknown", there's never any action
+ * 2. If the Which value in the 2nd set is "unknown", it's made the "default"
+ * 3. For comparisons the values of the "default" Items are take into account
+ *
+ * 1st Item    2nd Item    Values  bIgnoreDefs       Remove      Assign       Add
+ *
+ * set         set         ==      sal_False           -           -           -
+ * default     set         ==      sal_False           -           -           -
+ * dontcare    set         ==      sal_False           -           -           -
+ * unknown     set         ==      sal_False           -           -           -
+ * set         default     ==      sal_False           -           -           -
+ * default     default     ==      sal_False           -           -           -
+ * dontcare    default     ==      sal_False           -           -           -
+ * unknown     default     ==      sal_False           -           -           -
+ * set         dontcare    ==      sal_False        1st Item       -1          -
+ * default     dontcare    ==      sal_False           -           -1          -
+ * dontcare    dontcare    ==      sal_False           -           -           -
+ * unknown     dontcare    ==      sal_False           -           -           -
+ * set         unknown     ==      sal_False        1st Item       -1          -
+ * default     unknown     ==      sal_False           -           -           -
+ * dontcare    unknown     ==      sal_False           -           -           -
+ * unknown     unknown     ==      sal_False           -           -           -
+ *
+ * set         set         !=      sal_False        1st Item       -1          -
+ * default     set         !=      sal_False           -           -1          -
+ * dontcare    set         !=      sal_False           -           -           -
+ * unknown     set         !=      sal_False           -           -           -
+ * set         default     !=      sal_False        1st Item       -1          -
+ * default     default     !=      sal_False           -           -           -
+ * dontcare    default     !=      sal_False           -           -           -
+ * unknown     default     !=      sal_False           -           -           -
+ * set         dontcare    !=      sal_False        1st Item       -1          -
+ * default     dontcare    !=      sal_False           -           -1          -
+ * dontcare    dontcare    !=      sal_False           -           -           -
+ * unknown     dontcare    !=      sal_False           -           -           -
+ * set         unknown     !=      sal_False        1st Item       -1          -
+ * default     unknown     !=      sal_False           -           -           -
+ * dontcare    unknown     !=      sal_False           -           -           -
+ * unknown     unknown     !=      sal_False           -           -           -
+ *
+ * set         set         ==      sal_True            -           -           -
+ * default     set         ==      sal_True            -       2nd Item     2nd Item
+ * dontcare    set         ==      sal_True            -           -           -
+ * unknown     set         ==      sal_True            -           -           -
+ * set         default     ==      sal_True            -           -           -
+ * default     default     ==      sal_True            -           -           -
+ * dontcare    default     ==      sal_True            -           -           -
+ * unknown     default     ==      sal_True            -           -           -
+ * set         dontcare    ==      sal_True            -           -           -
+ * default     dontcare    ==      sal_True            -           -1          -
+ * dontcare    dontcare    ==      sal_True            -           -           -
+ * unknown     dontcare    ==      sal_True            -           -           -
+ * set         unknown     ==      sal_True            -           -           -
+ * default     unknown     ==      sal_True            -           -           -
+ * dontcare    unknown     ==      sal_True            -           -           -
+ * unknown     unknown     ==      sal_True            -           -           -
+ *
+ * set         set         !=      sal_True         1st Item       -1          -
+ * default     set         !=      sal_True            -        2nd Item    2nd Item
+ * dontcare    set         !=      sal_True            -           -           -
+ * unknown     set         !=      sal_True            -           -           -
+ * set         default     !=      sal_True            -           -           -
+ * default     default     !=      sal_True            -           -           -
+ * dontcare    default     !=      sal_True            -           -           -
+ * unknown     default     !=      sal_True            -           -           -
+ * set         dontcare    !=      sal_True         1st Item       -1          -
+ * default     dontcare    !=      sal_True            -           -1          -
+ * dontcare    dontcare    !=      sal_True            -           -           -
+ * unknown     dontcare    !=      sal_True            -           -           -
+ * set         unknown     !=      sal_True            -           -           -
+ * default     unknown     !=      sal_True            -           -           -
+ * dontcare    unknown     !=      sal_True            -           -           -
+ * unknown     unknown     !=      sal_True            -           -           -
+ */
+void SfxItemSet::MergeItem_Impl(const SfxPoolItem **ppFnd1, const SfxPoolItem *pFnd2, bool bIgnoreDefaults)
+{
+    assert(ppFnd1 != nullptr && "Merging to 0-Item");
+
+    // 1st Item is Default?
+    if ( !*ppFnd1 )
+    {
+        if ( IsInvalidItem(pFnd2) )
+            // Decision table: default, dontcare, doesn't matter, doesn't matter
+            *ppFnd1 = INVALID_POOL_ITEM;
+
+        else if ( pFnd2 && !bIgnoreDefaults &&
+                  GetPool()->GetDefaultItem(pFnd2->Which()) != *pFnd2 )
+            // Decision table: default, set, !=, sal_False
+            *ppFnd1 = INVALID_POOL_ITEM;
+
+        else if ( pFnd2 && bIgnoreDefaults )
+            // Decision table: default, set, doesn't matter, sal_True
+            *ppFnd1 = implCreateItemEntry(*GetPool(), pFnd2, 0, false);
+            // *ppFnd1 = &GetPool()->Put( *pFnd2 );
+
+        if ( *ppFnd1 )
+            ++m_nCount;
+    }
+
+    // 1st Item set?
+    else if ( !IsInvalidItem(*ppFnd1) )
+    {
+        if ( !pFnd2 )
+        {
+            // 2nd Item is Default
+            if ( !bIgnoreDefaults &&
+                 **ppFnd1 != GetPool()->GetDefaultItem((*ppFnd1)->Which()) )
+            {
+                // Decision table: set, default, !=, sal_False
+                implCleanupItemEntry(*GetPool(), *ppFnd1);
+                // GetPool()->Remove( **ppFnd1 );
+                *ppFnd1 = INVALID_POOL_ITEM;
+            }
+        }
+        else if ( IsInvalidItem(pFnd2) )
+        {
+            // 2nd Item is dontcare
+            if ( !bIgnoreDefaults ||
+                 **ppFnd1 != GetPool()->GetDefaultItem( (*ppFnd1)->Which()) )
+            {
+                // Decision table: set, dontcare, doesn't matter, sal_False
+                // or:             set, dontcare, !=, sal_True
+                implCleanupItemEntry(*GetPool(), *ppFnd1);
+                // GetPool()->Remove( **ppFnd1 );
+                *ppFnd1 = INVALID_POOL_ITEM;
+            }
+        }
+        else
+        {
+            // 2nd Item is set
+            if ( **ppFnd1 != *pFnd2 )
+            {
+                // Decision table: set, set, !=, doesn't matter
+                implCleanupItemEntry(*GetPool(), *ppFnd1);
+                // GetPool()->Remove( **ppFnd1 );
+                *ppFnd1 = INVALID_POOL_ITEM;
+            }
+        }
+    }
+}
+
+void SfxItemSet::MergeValues( const SfxItemSet& rSet )
+{
+    // WARNING! When making changes/fixing bugs, always update the table above!!
+    assert( GetPool() == rSet.GetPool() && "MergeValues with different Pools" );
+
+    // CAUTION: Old version did *different* things when the WhichRanges
+    // were the same (true) or different (false) (which is an error/
+    // false optimization):
+    // true:  MergeItem_Impl was directly fed with SfxItem*'s
+    //        for entry @this & @rSet
+    // false: Looped over rSet WhichID's, fetched defaults from pool,
+    //        fed all that to SfxItemSet::MergeValue which then
+    //        evtl. could not find that WhichID in local WhichRanges
+    // Better to loop over local WhichRanges (these get changed) and look
+    // for Item with same WhichID in rSet, this is done now.
+    if (GetRanges() == rSet.GetRanges())
+    {
+
+        // loop over both & merge, WhichIDs are identical
+        for (const_iterator dst(begin()), src(rSet.begin()); dst != end(); dst++, src++)
+        {
+            MergeItem_Impl(dst, *src, false/*bIgnoreDefaults*/);
+        }
+    }
+    else
+    {
+        // loop over local which-ranges - the local Items need to be changed
+        const_iterator dst(begin());
+
+        for (auto const & rRange : GetRanges())
+        {
+            for (sal_uInt16 nWhich(rRange.first); nWhich <= rRange.second; nWhich++, dst++)
+            {
+                // try to get offset in rSet for same WhichID
+                const sal_uInt16 nOffset(rSet.GetRanges().getOffsetFromWhich(nWhich));
+
+                if (INVALID_WHICHPAIR_OFFSET != nOffset)
+                {
+                    // if entry with same WhichID exists in rSet, merge with local entry
+                    MergeItem_Impl(dst, *(rSet.begin() + nOffset), false/*bIgnoreDefaults*/);
+                }
+            }
+        }
+    }
+}
+
+void SfxItemSet::MergeValue(const SfxPoolItem& rAttr, bool bIgnoreDefaults)
+{
+    if (0 == rAttr.Which())
+        // seems to be SfxVoidItem(0), nothing to do
+        return;
+
+    const sal_uInt16 nOffset(GetRanges().getOffsetFromWhich(rAttr.Which()));
+
+    if (INVALID_WHICHPAIR_OFFSET != nOffset)
+    {
+        MergeItem_Impl(begin() + nOffset, &rAttr, bIgnoreDefaults);
+    }
+}
+
+void SfxItemSet::InvalidateItem_ForWhichID(sal_uInt16 nWhich)
+{
+    const sal_uInt16 nOffset(GetRanges().getOffsetFromWhich(nWhich));
+
+    if (INVALID_WHICHPAIR_OFFSET != nOffset)
+    {
+        InvalidateItem_ForOffset(nOffset);
+    }
+}
+
+void SfxItemSet::InvalidateItem_ForOffset(sal_uInt16 nOffset)
+{
+    // check and assert from invalid offset. The caller is responsible for
+    // ensuring a valid offset (see callers, all checked & safe)
+    assert(nOffset < TotalCount());
+    const_iterator aFoundOne(begin() + nOffset);
+
+    if (nullptr == *aFoundOne)
+    {
+        // entry goes from nullptr -> invalid
+        ++m_nCount;
+    }
+    else
+    {
+        // entry is set
+        if (IsInvalidItem(*aFoundOne))
+            // already invalid item, done
+            return;
+
+        // cleanup entry
+        implCleanupItemEntry(*GetPool(), *aFoundOne);
+    }
+
+    // set new entry
+    *aFoundOne = INVALID_POOL_ITEM;
+}
+
+sal_uInt16 SfxItemSet::GetWhichByOffset( sal_uInt16 nOffset ) const
+{
+    assert(nOffset < TotalCount());
+
+    // 1st try to get a set SfxPoolItem and fetch the WhichID from there.
+    const SfxPoolItem* pItem(nullptr);
+    (void)GetItemState_ForOffset(nOffset, &pItem);
+
+    if (nullptr != pItem && 0 != pItem->Which())
+        return pItem->Which();
+
+    // 2nd have to get from WhichRangesContainer. That might use
+    // the buffering, too. We might assert a return value of zero
+    // (which means invalid WhichID), but we already assert for
+    // a valid offset at the start of this method
+    return GetRanges().getWhichFromOffset(nOffset);
+}
+
+bool SfxItemSet::operator==(const SfxItemSet &rCmp) const
+{
+    return Equals( rCmp, true);
+}
+
+bool SfxItemSet::Equals(const SfxItemSet &rCmp, bool bComparePool) const
+{
+    // check if same incarnation
+    if (this == &rCmp)
+        return true;
+
+    // check parents (if requested, also bComparePool)
+    if (bComparePool && GetParent() != rCmp.GetParent())
+        return false;
+
+    // check pools (if requested)
+    if (bComparePool && GetPool() != rCmp.GetPool())
+        return false;
+
+    // check count of set items
+    if (Count() != rCmp.Count())
+        return false;
+
+    // both have no items, done
+    if (0 == Count())
+        return true;
+
+    // check if ranges are equal
+    if (GetRanges() == rCmp.GetRanges())
+    {
+        // if yes, we can simplify: are all pointers the same?
+        if (0 == memcmp( m_ppItems, rCmp.m_ppItems, TotalCount() * sizeof(m_ppItems[0]) ))
+            return true;
+
+        // compare each one separately
+        const SfxPoolItem **ppItem1(m_ppItems);
+        const SfxPoolItem **ppItem2(rCmp.m_ppItems);
+
+        for (sal_uInt16 nPos(0); nPos < TotalCount(); nPos++)
+        {
+            // do full SfxPoolItem compare
+            if (!SfxPoolItem::areSame(*ppItem1, *ppItem2))
+                return false;
+            ++ppItem1;
+            ++ppItem2;
+        }
+
+        return true;
+    }
+
+    // Not same ranges, need to compare content. Only need to check if
+    // the content of one is inside the other due to already having
+    // compared Count() above.
+    // Iterate over local SfxItemSet by using locval ranges and offset,
+    // so we can access needed data at least for one SfxItemSet more
+    // direct. For the 2nd one we need the WhichID which we have by
+    // iterating over the ranges.
+    sal_uInt16 nOffset(0);
+    sal_uInt16 nNumberToGo(Count());
+
+    for (auto const & rRange : GetRanges())
+    {
+        for (sal_uInt16 nWhich(rRange.first); nWhich <= rRange.second; nWhich++, nOffset++)
+        {
+            const SfxPoolItem *pItem1(nullptr);
+            const SfxPoolItem *pItem2(nullptr);
+            const SfxItemState aStateA(GetItemState_ForOffset(nOffset, &pItem1));
+            const SfxItemState aStateB(rCmp.GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, false, &pItem2));
+
+            if (aStateA != aStateB)
+                return false;
+
+            // only compare items if SfxItemState::SET, else the item ptrs are not set
+            if (SfxItemState::SET == aStateA && !SfxPoolItem::areSame(pItem1, pItem2))
+                return false;
+
+            if (SfxItemState::DEFAULT != aStateA)
+                // if local item is not-nullptr we have compared one more, reduce NumberToGo
+                // NOTE: we could also use 'nullptr != *(begin() + nOffset)' here, but the
+                //       entry was already checked by GetItemState_ForOffset above
+                nNumberToGo--;
+
+            if (0 == nNumberToGo)
+                // if we have compared Count() number of items and are still here
+                // (all were equal), we can exit early
+                return true;
+        }
+    }
+
+    return true;
+}
+
+std::unique_ptr<SfxItemSet> SfxItemSet::Clone(bool bItems, SfxItemPool *pToPool ) const
+{
+    if (pToPool && pToPool != GetPool())
+    {
+        std::unique_ptr<SfxItemSet> pNewSet(new SfxItemSet(*pToPool, GetRanges()));
+        if ( bItems )
+        {
+            SfxWhichIter aIter(*pNewSet);
+            sal_uInt16 nWhich = aIter.FirstWhich();
+            while ( nWhich )
+            {
+                const SfxPoolItem* pItem;
+                if ( SfxItemState::SET == GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, false, &pItem ) )
+                    pNewSet->Put( *pItem, pItem->Which() );
+                nWhich = aIter.NextWhich();
+            }
+        }
+        return pNewSet;
+    }
+    else
+        return std::unique_ptr<SfxItemSet>(bItems
+                ? new SfxItemSet(*this)
+                : new SfxItemSet(*GetPool(), GetRanges()));
+}
+
+SfxItemSet SfxItemSet::CloneAsValue(bool bItems, SfxItemPool *pToPool ) const
+{
+    // if you are trying to clone, then the thing you are cloning is polymorphic, which means
+    // it cannot be cloned as a value
+    assert((typeid(*this) == typeid(SfxItemSet)) && "cannot call this on a subclass of SfxItemSet");
+
+    if (pToPool && pToPool != GetPool())
+    {
+        SfxItemSet aNewSet(*pToPool, GetRanges());
+        if ( bItems )
+        {
+            SfxWhichIter aIter(aNewSet);
+            sal_uInt16 nWhich = aIter.FirstWhich();
+            while ( nWhich )
+            {
+                const SfxPoolItem* pItem;
+                if ( SfxItemState::SET == GetItemState_ForWhichID(SfxItemState::UNKNOWN, nWhich, false, &pItem ) )
+                    aNewSet.Put( *pItem, pItem->Which() );
+                nWhich = aIter.NextWhich();
+            }
+        }
+        return aNewSet;
+    }
+    else
+        return bItems
+                ? *this
+                : SfxItemSet(*GetPool(), GetRanges());
+}
+
+void SfxItemSet::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxItemSet"));
+    SfxItemIter aIter(*this);
+    for (const SfxPoolItem* pItem = aIter.GetCurItem(); pItem; pItem = aIter.NextItem())
+    {
+        if (IsInvalidItem(pItem))
+        {
+            (void)xmlTextWriterStartElement(pWriter, BAD_CAST("invalid"));
+            (void)xmlTextWriterEndElement(pWriter);
+        }
+        else
+        {
+            pItem->dumpAsXml(pWriter);
+        }
+    }
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+
+// ----------------------------------------------- class SfxAllItemSet
+
+SfxAllItemSet::SfxAllItemSet( SfxItemPool &rPool )
+:   SfxItemSet(rPool, SfxAllItemSetFlag::Flag)
+{
+}
+
+SfxAllItemSet::SfxAllItemSet(const SfxItemSet &rCopy)
+:   SfxItemSet(rCopy)
+{
+}
+
+/**
+ * Explicitly define this ctor to avoid auto-generation by the compiler.
+ * The compiler does not take the ctor with the 'const SfxItemSet&'!
+ */
+SfxAllItemSet::SfxAllItemSet(const SfxAllItemSet &rCopy)
+:   SfxItemSet(rCopy)
+{
+}
+
+/**
+ * Putting with automatic extension of the WhichId with the ID of the Item.
+ */
+const SfxPoolItem* SfxAllItemSet::PutImpl( const SfxPoolItem& rItem, sal_uInt16 nWhich, bool bPassingOwnership )
+{
+    MergeRange(nWhich, nWhich);
+    return SfxItemSet::PutImpl(rItem, nWhich, bPassingOwnership);
+}
+
+/**
+ * Disable Item
+ * Using a VoidItem with Which value 0
+ */
+void SfxItemSet::DisableItem(sal_uInt16 nWhich)
+{
+    Put( SfxVoidItem(0), nWhich );
+}
+
+std::unique_ptr<SfxItemSet> SfxAllItemSet::Clone(bool bItems, SfxItemPool *pToPool ) const
+{
+    if (pToPool && pToPool != GetPool())
+    {
+        std::unique_ptr<SfxAllItemSet> pNewSet(new SfxAllItemSet( *pToPool ));
+        if ( bItems )
+            pNewSet->Set( *this );
+        return pNewSet;
+    }
+    else
+        return std::unique_ptr<SfxItemSet>(bItems ? new SfxAllItemSet(*this) : new SfxAllItemSet(*GetPool()));
+}
+
+
+WhichRangesContainer::WhichRangesContainer( const WhichPair* wids, sal_Int32 nSize )
+{
+    auto p = new WhichPair[nSize];
+    for (int i=0; i<nSize; ++i)
+        p[i] = wids[i];
+    m_pairs = p;
+    m_size = nSize;
+    m_bOwnRanges = true;
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+}
+
+WhichRangesContainer::WhichRangesContainer(sal_uInt16 nWhichStart, sal_uInt16 nWhichEnd)
+    : m_size(1), m_bOwnRanges(true)
+{
+    auto p = new WhichPair[1];
+    p[0] = { nWhichStart, nWhichEnd };
+    m_pairs = p;
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+}
+
+WhichRangesContainer::WhichRangesContainer(WhichRangesContainer && other)
+{
+    std::swap(m_pairs, other.m_pairs);
+    std::swap(m_size, other.m_size);
+    std::swap(m_bOwnRanges, other.m_bOwnRanges);
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+}
+
+WhichRangesContainer& WhichRangesContainer::operator=(WhichRangesContainer && other)
+{
+    std::swap(m_pairs, other.m_pairs);
+    std::swap(m_size, other.m_size);
+    std::swap(m_bOwnRanges, other.m_bOwnRanges);
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+    return *this;
+}
+
+WhichRangesContainer& WhichRangesContainer::operator=(WhichRangesContainer const & other)
+{
+    reset();
+    m_size = other.m_size;
+    m_bOwnRanges = other.m_bOwnRanges;
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+    if (m_bOwnRanges)
+    {
+        auto p = new WhichPair[m_size];
+        for (int i=0; i<m_size; ++i)
+            p[i] = other.m_pairs[i];
+        m_pairs = p;
+    }
+    else
+        m_pairs = other.m_pairs;
+    return *this;
+}
+
+WhichRangesContainer::~WhichRangesContainer()
+{
+    reset();
+}
+
+bool WhichRangesContainer::operator==(WhichRangesContainer const & other) const
+{
+    if (m_size != other.m_size)
+        return false;
+    if (m_pairs == other.m_pairs)
+        return true;
+    return std::equal(m_pairs, m_pairs + m_size, other.m_pairs, other.m_pairs + m_size);
+}
+
+
+void WhichRangesContainer::reset()
+{
+    if (m_bOwnRanges)
+    {
+        delete [] m_pairs;
+        m_bOwnRanges = false;
+    }
+    m_pairs = nullptr;
+    m_size = 0;
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+    m_aLastWhichPairFirst = 0;
+    m_aLastWhichPairSecond = 0;
+}
+
+#ifdef DBG_UTIL
+static size_t g_nHit(0);
+static size_t g_nMiss(1);
+static bool g_bShowWhichRangesHitRate(getenv("SVL_SHOW_WHICHRANGES_HITRATE"));
+static void isHit() { g_nHit++; }
+static void isMiss()
+{
+    g_nMiss++;
+    const double fHitRate(double(g_nHit) /double(g_nMiss));
+    if (0 == g_nMiss % 1000 && g_bShowWhichRangesHitRate)
+        SAL_WARN("svl", "ITEM: hits: " << g_nHit << " misses: " << g_nMiss << " hits/misses(rate): " << fHitRate);
+}
+#endif
+
+sal_uInt16 WhichRangesContainer::getOffsetFromWhich(sal_uInt16 nWhich) const
+{
+    if (empty())
+        return INVALID_WHICHPAIR_OFFSET;
+
+    // special case for single entry - happens often e.g. UI stuff
+    if (1 == m_size)
+    {
+        if( m_pairs->first <= nWhich && nWhich <= m_pairs->second )
+            return nWhich - m_pairs->first;
+
+        // we have only one WhichPair entry and it's not contained -> failed
+        return INVALID_WHICHPAIR_OFFSET;
+    }
+
+    // check if nWhich is inside last successfully used WhichPair
+    if (INVALID_WHICHPAIR_OFFSET != m_aLastWhichPairOffset
+        && m_aLastWhichPairFirst <= nWhich
+        && nWhich <= m_aLastWhichPairSecond)
+    {
+#ifdef DBG_UTIL
+        isHit();
+#endif
+        // we can re-use the last found WhichPair
+        return m_aLastWhichPairOffset + (nWhich - m_aLastWhichPairFirst);
+    }
+
+#ifdef DBG_UTIL
+    isMiss();
+#endif
+
+    // we have to find the correct WhichPair, iterate linear. This
+    // also directly updates the buffered m_aLastWhichPair* values
+    m_aLastWhichPairOffset = 0;
+
+    for (const WhichPair& rPair : *this)
+    {
+        // Within this range?
+        if( rPair.first <= nWhich && nWhich <= rPair.second )
+        {
+            // found, remember parameters for buffered hits
+            m_aLastWhichPairFirst = rPair.first;
+            m_aLastWhichPairSecond = rPair.second;
+
+            // ...and return
+            return m_aLastWhichPairOffset + (nWhich - m_aLastWhichPairFirst);
+        }
+
+        m_aLastWhichPairOffset += rPair.second - rPair.first + 1;
+    }
+
+    // *need* to reset: if 1st WhichPair only one entry it could be 1
+    // what could wrongly trigger re-use above for next search
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+
+    return m_aLastWhichPairOffset;
+}
+
+sal_uInt16 WhichRangesContainer::getWhichFromOffset(sal_uInt16 nOffset) const
+{
+    // check for empty, if yes, return null which is an invalid WhichID
+    if (empty())
+        return 0;
+
+    // special case for single entry - happens often e.g. UI stuff
+    if (1 == m_size)
+    {
+        if (nOffset <= m_pairs->second - m_pairs->first)
+            return m_pairs->first + nOffset;
+
+        // we have only one WhichPair entry and it's not contained -> failed
+        return 0;
+    }
+
+    // check if nWhich is inside last successfully used WhichPair
+    if (INVALID_WHICHPAIR_OFFSET != m_aLastWhichPairOffset)
+    {
+        // only try if we are beyond or at m_aLastWhichPairOffset to
+        // not get numerically negative
+        if (nOffset >= m_aLastWhichPairOffset)
+        {
+            const sal_uInt16 nAdaptedOffset(nOffset - m_aLastWhichPairOffset);
+
+            if (nAdaptedOffset <= m_aLastWhichPairSecond - m_aLastWhichPairFirst)
+            {
+#ifdef DBG_UTIL
+                isHit();
+#endif
+                return m_aLastWhichPairFirst + nAdaptedOffset;
+            }
+        }
+    }
+
+#ifdef DBG_UTIL
+    isMiss();
+#endif
+
+    // Iterate over WhichPairs in WhichRangesContainer
+    // Do not update buffered last hit (m_aLastWhichPair*), these calls
+    // are potentially more rare than getOffsetFromWhich calls. Still,
+    // it could also be done here
+    for( auto const & pPtr : *this )
+    {
+        const sal_uInt16 nWhichPairRange(pPtr.second - pPtr.first);
+        if( nOffset <= nWhichPairRange )
+            return pPtr.first + nOffset;
+        nOffset -= nWhichPairRange + 1;
+    }
+
+    // no WhichID found, return invalid one
+    return 0;
+}
+
+// Adds a range to which ranges, keeping the ranges in valid state (sorted, non-overlapping)
+WhichRangesContainer WhichRangesContainer::MergeRange(sal_uInt16 nFrom,
+                                       sal_uInt16 nTo) const
+{
+    assert(svl::detail::validRange(nFrom, nTo));
+
+    if (empty())
+        return WhichRangesContainer(nFrom, nTo);
+
+    // reset buffer
+    m_aLastWhichPairOffset = INVALID_WHICHPAIR_OFFSET;
+
+    // create vector of ranges (sal_uInt16 pairs of lower and upper bound)
+    const size_t nOldCount = size();
+    // Allocate one item more than we already have.
+    // In the worst case scenario we waste a little bit
+    // of memory, but we avoid another allocation, which is more important.
+    std::unique_ptr<WhichPair[]> aRangesTable(new WhichPair[nOldCount+1]);
+    int aRangesTableSize = 0;
+    bool bAdded = false;
+    for (const auto& rPair : *this)
+    {
+        if (!bAdded && rPair.first >= nFrom)
+        { // insert new range, keep ranges sorted
+            aRangesTable[aRangesTableSize++] = { nFrom, nTo };
+            bAdded = true;
+        }
+        // insert current range
+        aRangesTable[aRangesTableSize++] = rPair;
+    }
+    if (!bAdded)
+        aRangesTable[aRangesTableSize++] = { nFrom, nTo };
+
+    // true if ranges overlap or adjoin, false if ranges are separate
+    auto needMerge = [](WhichPair lhs, WhichPair rhs) {
+        return (lhs.first - 1) <= rhs.second && (rhs.first - 1) <= lhs.second;
+    };
+
+    auto it = aRangesTable.get();
+    auto endIt = aRangesTable.get() + aRangesTableSize;
+    // we have at least one range at this point
+    for (;;)
+    {
+        auto itNext = std::next(it);
+        if (itNext == endIt)
+            break;
+        // check if neighbouring ranges overlap or adjoin
+        if (needMerge(*it, *itNext))
+        {
+            // lower bounds are sorted, implies: it->first = min(it[0].first, it[1].first)
+            it->second = std::max(it->second, itNext->second);
+            // remove next element
+            std::move(std::next(itNext), endIt, itNext);
+            --aRangesTableSize;
+            endIt = aRangesTable.get() + aRangesTableSize;
+        }
+        else
+            ++it;
+    }
+
+    return WhichRangesContainer(std::move(aRangesTable), aRangesTableSize);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/lckbitem.cxx b/svl/source/items/lckbitem.cxx
new file mode 100644
index 0000000000..87165ae507
--- /dev/null
+++ b/svl/source/items/lckbitem.cxx
@@ -0,0 +1,102 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/lckbitem.hxx>
+#include <tools/stream.hxx>
+#include <osl/diagnose.h>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+
+
+SfxPoolItem* SfxLockBytesItem::CreateDefault() { return new SfxLockBytesItem; }
+
+
+SfxLockBytesItem::SfxLockBytesItem()
+{
+}
+
+
+SfxLockBytesItem::~SfxLockBytesItem()
+{
+}
+
+
+bool SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
+{
+    return SfxPoolItem::operator==(rItem) && static_cast<const SfxLockBytesItem&>(rItem)._xVal == _xVal;
+}
+
+SfxLockBytesItem* SfxLockBytesItem::Clone(SfxItemPool *) const
+{
+    return new SfxLockBytesItem( *this );
+}
+
+// virtual
+bool SfxLockBytesItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
+{
+    css::uno::Sequence< sal_Int8 > aSeq;
+    if ( rVal >>= aSeq )
+    {
+        if ( aSeq.hasElements() )
+        {
+            SvMemoryStream* pStream = new SvMemoryStream();
+            pStream->WriteBytes( aSeq.getConstArray(), aSeq.getLength() );
+            pStream->Seek(0);
+
+            _xVal = new SvLockBytes( pStream, true );
+        }
+        else
+            _xVal = nullptr;
+
+        return true;
+    }
+
+    OSL_FAIL( "SfxLockBytesItem::PutValue - Wrong type!" );
+    return true;
+}
+
+// virtual
+bool SfxLockBytesItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
+{
+    if ( _xVal.is() )
+    {
+        sal_uInt32 nLen;
+        SvLockBytesStat aStat;
+
+        if ( _xVal->Stat( &aStat ) == ERRCODE_NONE )
+            nLen = aStat.nSize;
+        else
+            return false;
+
+        std::size_t nRead = 0;
+        css::uno::Sequence< sal_Int8 > aSeq( nLen );
+
+        _xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
+        rVal <<= aSeq;
+    }
+    else
+    {
+        css::uno::Sequence< sal_Int8 > aSeq( 0 );
+        rVal <<= aSeq;
+    }
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/legacyitem.cxx b/svl/source/items/legacyitem.cxx
new file mode 100644
index 0000000000..b0daa3b906
--- /dev/null
+++ b/svl/source/items/legacyitem.cxx
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/legacyitem.hxx>
+#include <tools/stream.hxx>
+#include <svl/eitem.hxx>
+#include <svl/cintitem.hxx>
+
+namespace legacy
+{
+    namespace SfxBool
+    {
+        sal_uInt16 GetVersion(sal_uInt16)
+        {
+            return 0;
+        }
+
+        void Create(SfxBoolItem& rItem, SvStream& rStrm, sal_uInt16)
+        {
+            bool tmp(false);
+            rStrm.ReadCharAsBool(tmp);
+            rItem.SetValue(tmp);
+        }
+
+        SvStream& Store(const SfxBoolItem& rItem, SvStream& rStrm, sal_uInt16)
+        {
+            rStrm.WriteBool(rItem.GetValue()); // not bool for serialization!
+            return rStrm;
+        }
+    }
+    namespace CntInt32
+    {
+        sal_uInt16 GetVersion(sal_uInt16)
+        {
+            return 0;
+        }
+
+        void Create(CntInt32Item& rItem, SvStream& rStrm, sal_uInt16)
+        {
+            sal_Int32 tmp(0);
+            rStrm.ReadInt32(tmp);
+            rItem.SetValue(tmp);
+        }
+
+        SvStream& Store(const CntInt32Item& rItem, SvStream& rStrm, sal_uInt16)
+        {
+            rStrm.WriteInt32(rItem.GetValue());
+            return rStrm;
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/macitem.cxx b/svl/source/items/macitem.cxx
new file mode 100644
index 0000000000..0b242c7cff
--- /dev/null
+++ b/svl/source/items/macitem.cxx
@@ -0,0 +1,243 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <o3tl/safeint.hxx>
+#include <sal/log.hxx>
+#include <comphelper/fileformat.h>
+#include <tools/stream.hxx>
+
+#include <svl/macitem.hxx>
+#include <stringio.hxx>
+#include <algorithm>
+#include <utility>
+
+SvxMacro::SvxMacro( OUString _aMacName, const OUString &rLanguage)
+    : aMacName(std::move( _aMacName )), aLibName( rLanguage),
+      eType( EXTENDED_STYPE)
+{
+    if ( rLanguage == SVX_MACRO_LANGUAGE_STARBASIC )
+        eType=STARBASIC;
+    else if ( rLanguage == SVX_MACRO_LANGUAGE_JAVASCRIPT )
+        eType=JAVASCRIPT;
+}
+
+OUString SvxMacro::GetLanguage()const
+{
+    if(eType==STARBASIC)
+    {
+        return SVX_MACRO_LANGUAGE_STARBASIC;
+    }
+    else if(eType==JAVASCRIPT)
+    {
+        return SVX_MACRO_LANGUAGE_JAVASCRIPT;
+    }
+    else if(eType==EXTENDED_STYPE)
+    {
+        return SVX_MACRO_LANGUAGE_SF;
+
+    }
+    return aLibName;
+}
+
+SvxMacroTableDtor& SvxMacroTableDtor::operator=( const SvxMacroTableDtor& rTbl )
+{
+    if (this != &rTbl)
+    {
+        aSvxMacroTable.clear();
+        aSvxMacroTable.insert(rTbl.aSvxMacroTable.begin(), rTbl.aSvxMacroTable.end());
+    }
+    return *this;
+}
+
+bool SvxMacroTableDtor::operator==( const SvxMacroTableDtor& rOther ) const
+{
+    // Count different => odd in any case
+    // Compare single ones; the sequence matters due to performance reasons
+    return std::equal(aSvxMacroTable.begin(), aSvxMacroTable.end(),
+        rOther.aSvxMacroTable.begin(), rOther.aSvxMacroTable.end(),
+        [](const SvxMacroTable::value_type& rOwnEntry, const SvxMacroTable::value_type& rOtherEntry) {
+            const SvxMacro& rOwnMac = rOwnEntry.second;
+            const SvxMacro& rOtherMac = rOtherEntry.second;
+            return rOwnEntry.first == rOtherEntry.first
+                && rOwnMac.GetLibName() == rOtherMac.GetLibName()
+                && rOwnMac.GetMacName() == rOtherMac.GetMacName();
+        });
+}
+
+void SvxMacroTableDtor::Read( SvStream& rStrm )
+{
+    sal_uInt16 nVersion;
+    rStrm.ReadUInt16( nVersion );
+
+    short nReadMacro(0);
+    rStrm.ReadInt16(nReadMacro);
+    if (nReadMacro < 0)
+    {
+        SAL_WARN("editeng", "Parsing error: negative value " << nReadMacro);
+        return;
+    }
+
+    auto nMacro = o3tl::make_unsigned(nReadMacro);
+
+    const size_t nMinStringSize = rStrm.GetStreamCharSet() == RTL_TEXTENCODING_UNICODE ? 4 : 2;
+    size_t nMinRecordSize = 2 + 2*nMinStringSize;
+    if( SVX_MACROTBL_VERSION40 <= nVersion )
+        nMinRecordSize+=2;
+
+    const size_t nMaxRecords = rStrm.remainingSize() / nMinRecordSize;
+    if (nMacro > nMaxRecords)
+    {
+        SAL_WARN("editeng", "Parsing error: " << nMaxRecords <<
+                 " max possible entries, but " << nMacro<< " claimed, truncating");
+        nMacro = nMaxRecords;
+    }
+
+    for (decltype(nMacro) i = 0; i < nMacro; ++i)
+    {
+        sal_uInt16 nCurKey, eType = STARBASIC;
+        OUString aLibName, aMacName;
+        rStrm.ReadUInt16( nCurKey );
+        aLibName = readByteString(rStrm);
+        aMacName = readByteString(rStrm);
+
+        if( SVX_MACROTBL_VERSION40 <= nVersion )
+            rStrm.ReadUInt16( eType );
+
+        aSvxMacroTable.emplace( SvMacroItemId(nCurKey), SvxMacro( aMacName, aLibName, static_cast<ScriptType>(eType) ) );
+    }
+}
+
+SvStream& SvxMacroTableDtor::Write( SvStream& rStream ) const
+{
+    sal_uInt16 nVersion = SOFFICE_FILEFORMAT_31 == rStream.GetVersion()
+                                    ? SVX_MACROTBL_VERSION31
+                                    : SVX_MACROTBL_VERSION40;
+
+    if( SVX_MACROTBL_VERSION40 <= nVersion )
+        rStream.WriteUInt16( nVersion );
+
+    rStream.WriteUInt16( aSvxMacroTable.size() );
+
+    for( const auto& rEntry : aSvxMacroTable )
+    {
+        if (rStream.GetError() != ERRCODE_NONE)
+            break;
+        const SvxMacro& rMac = rEntry.second;
+        rStream.WriteUInt16( static_cast<sal_uInt16>(rEntry.first) );
+        writeByteString(rStream, rMac.GetLibName());
+        writeByteString(rStream, rMac.GetMacName());
+
+        if( SVX_MACROTBL_VERSION40 <= nVersion )
+            rStream.WriteUInt16( rMac.GetScriptType() );
+    }
+    return rStream;
+}
+
+// returns NULL if no entry exists, or a pointer to the internal value
+const SvxMacro* SvxMacroTableDtor::Get(SvMacroItemId nEvent) const
+{
+    SvxMacroTable::const_iterator it = aSvxMacroTable.find(nEvent);
+    return it == aSvxMacroTable.end() ? nullptr : &(it->second);
+}
+
+// returns NULL if no entry exists, or a pointer to the internal value
+SvxMacro* SvxMacroTableDtor::Get(SvMacroItemId nEvent)
+{
+    SvxMacroTable::iterator it = aSvxMacroTable.find(nEvent);
+    return it == aSvxMacroTable.end() ? nullptr : &(it->second);
+}
+
+// return true if the key exists
+bool SvxMacroTableDtor::IsKeyValid(SvMacroItemId nEvent) const
+{
+    SvxMacroTable::const_iterator it = aSvxMacroTable.find(nEvent);
+    return it != aSvxMacroTable.end();
+}
+
+// This stores a copy of the rMacro parameter
+SvxMacro& SvxMacroTableDtor::Insert(SvMacroItemId nEvent, const SvxMacro& rMacro)
+{
+    return aSvxMacroTable.emplace( nEvent, rMacro ).first->second;
+}
+
+// If the entry exists, remove it from the map and release it's storage
+void SvxMacroTableDtor::Erase(SvMacroItemId nEvent)
+{
+    SvxMacroTable::iterator it = aSvxMacroTable.find(nEvent);
+    if ( it != aSvxMacroTable.end())
+    {
+        aSvxMacroTable.erase(it);
+    }
+}
+
+bool SvxMacroItem::operator==( const SfxPoolItem& rAttr ) const
+{
+    assert(SfxPoolItem::operator==(rAttr));
+
+    const SvxMacroTableDtor& rOwn = aMacroTable;
+    const SvxMacroTableDtor& rOther = static_cast<const SvxMacroItem&>(rAttr).aMacroTable;
+
+    return rOwn == rOther;
+}
+
+SvxMacroItem* SvxMacroItem::Clone( SfxItemPool* ) const
+{
+    return new SvxMacroItem( *this );
+}
+
+bool SvxMacroItem::GetPresentation
+(
+    SfxItemPresentation /*ePres*/,
+    MapUnit             /*eCoreUnit*/,
+    MapUnit             /*ePresUnit*/,
+    OUString&           rText,
+    const IntlWrapper&
+)   const
+{
+/*!!!
+    SvxMacroTableDtor& rTbl = (SvxMacroTableDtor&)GetMacroTable();
+    SvxMacro* pMac = rTbl.First();
+
+    while ( pMac )
+    {
+        rText += pMac->GetLibName();
+        rText += cpDelim;
+        rText += pMac->GetMacName();
+        pMac = rTbl.Next();
+        if ( pMac )
+            rText += cpDelim;
+    }
+*/
+    rText.clear();
+    return false;
+}
+
+
+void SvxMacroItem::SetMacro( SvMacroItemId nEvent, const SvxMacro& rMacro )
+{
+    // tdf#141123: emplace doesn't replace the element in the map if already exists
+    // see https://en.cppreference.com/w/cpp/container/map/emplace
+    // so first erase the macro if there's one for this event
+    aMacroTable.Erase(nEvent);
+    aMacroTable.Insert( nEvent, rMacro);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/poolitem.cxx b/svl/source/items/poolitem.cxx
new file mode 100644
index 0000000000..ae7c97136c
--- /dev/null
+++ b/svl/source/items/poolitem.cxx
@@ -0,0 +1,703 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/poolitem.hxx>
+#include <unotools/intlwrapper.hxx>
+#include <unotools/syslocale.hxx>
+#include <osl/diagnose.h>
+#include <sal/log.hxx>
+#include <libxml/xmlwriter.h>
+#include <typeinfo>
+#include <boost/property_tree/ptree.hpp>
+
+#ifdef DBG_UTIL
+#include <unordered_set>
+#endif
+
+//////////////////////////////////////////////////////////////////////////////
+// list of classes derived from SfxPoolItem
+// will not be kept up-to-date, but give a good overview for right now
+//////////////////////////////////////////////////////////////////////////////
+//
+// class SbxItem : public SfxPoolItem
+// class SvxChartColorTableItem : public SfxPoolItem
+// class DriverPoolingSettingsItem final : public SfxPoolItem
+// class DatabaseMapItem final : public SfxPoolItem
+// class DbuTypeCollectionItem : public SfxPoolItem
+// class OptionalBoolItem : public SfxPoolItem
+// class OStringListItem : public SfxPoolItem
+// class MediaItem : public SfxPoolItem
+// class SvxBoxItem : public SfxPoolItem
+// class SvxBoxInfoItem : public SfxPoolItem
+// class SvxBrushItem : public SfxPoolItem
+// class SvxBulletItem : public SfxPoolItem
+// class SvxColorItem : public SfxPoolItem
+// class SvxFontHeightItem : public SfxPoolItem
+// class SvxFieldItem : public SfxPoolItem
+// class SvxFontListItem : public SfxPoolItem
+// class SvxFontItem : public SfxPoolItem
+// class SvxHyphenZoneItem : public SfxPoolItem
+// class SvxLineItem : public SfxPoolItem
+// class SvxLRSpaceItem : public SfxPoolItem
+// class SvxNumBulletItem : public SfxPoolItem
+// class SfxHyphenRegionItem: public SfxPoolItem
+// class SvxProtectItem : public SfxPoolItem
+// class SvxSizeItem : public SfxPoolItem
+//    class SwFormatFrameSize: public SvxSizeItem
+// class SvxTabStopItem : public SfxPoolItem
+// class SvxTwoLinesItem : public SfxPoolItem
+// class SvxULSpaceItem : public SfxPoolItem
+// class SvXMLAttrContainerItem: public SfxPoolItem
+// class SfxLinkItem : public SfxPoolItem
+// class SfxEventNamesItem : public SfxPoolItem
+// class SfxFrameItem: public SfxPoolItem
+// class SfxUnoAnyItem : public SfxPoolItem
+// class SfxUnoFrameItem : public SfxPoolItem
+// class SfxMacroInfoItem: public SfxPoolItem
+// class SfxObjectItem: public SfxPoolItem
+// class SfxObjectShellItem: public SfxPoolItem
+// class SfxViewFrameItem: public SfxPoolItem
+// class SfxWatermarkItem: public SfxPoolItem
+// class SfxEnumItemInterface: public SfxPoolItem
+//    class SvxAdjustItem : public SfxEnumItemInterface
+//    class SvxEscapementItem : public SfxEnumItemInterface
+//    class SvxLineSpacingItem : public SfxEnumItemInterface
+//    class SvxShadowItem : public SfxEnumItemInterface
+//    class SfxEnumItem : public SfxEnumItemInterface
+//        class SvxCharReliefItem : public SfxEnumItem<FontRelief>
+//        class SvxCaseMapItem : public SfxEnumItem<SvxCaseMap>
+//        class SvxCrossedOutItem : public SfxEnumItem<FontStrikeout>
+//        class SvxFormatBreakItem : public SfxEnumItem<SvxBreak>
+//        class SvxFrameDirectionItem : public SfxEnumItem<SvxFrameDirection>
+//        class SvxHorJustifyItem: public SfxEnumItem<SvxCellHorJustify>
+//        class SvxVerJustifyItem: public SfxEnumItem<SvxCellVerJustify>
+//        class SvxJustifyMethodItem: public SfxEnumItem<SvxCellJustifyMethod>
+//        class SvxLanguageItem_Base: public SfxEnumItem<LanguageType>
+//            class SvxLanguageItem : public SvxLanguageItem_Base
+//        class SvxPostureItem : public SfxEnumItem<FontItalic>
+//        class SvxTextLineItem : public SfxEnumItem<FontLineStyle>
+//            class SvxUnderlineItem : public SvxTextLineItem
+//            class SvxOverlineItem : public SvxTextLineItem
+//        class SvxWeightItem : public SfxEnumItem<FontWeight>
+//        class SvxOrientationItem: public SfxEnumItem<SvxCellOrientation>
+//        class SvxChartRegressItem : public SfxEnumItem<SvxChartRegress>
+//        class SvxChartTextOrderItem : public SfxEnumItem<SvxChartTextOrder>
+//        class SvxChartKindErrorItem : public SfxEnumItem<SvxChartKindError>
+//        class SvxChartIndicateItem : public SfxEnumItem<SvxChartIndicate>
+//        class SvxRotateModeItem: public SfxEnumItem<SvxRotateMode>
+//        class SdrGrafModeItem_Base: public SfxEnumItem<GraphicDrawMode>
+//            class SdrGrafModeItem : public SdrGrafModeItem_Base
+//        class SdrTextAniDirectionItem: public SfxEnumItem<SdrTextAniDirection>
+//        class SdrTextVertAdjustItem: public SfxEnumItem<SdrTextVertAdjust>
+//        class SdrTextHorzAdjustItem: public SfxEnumItem<SdrTextHorzAdjust>
+//        class SdrTextAniKindItem: public SfxEnumItem<SdrTextAniKind>
+//        class SdrTextFitToSizeTypeItem    : public SfxEnumItem<css::drawing::TextFitToSizeType>
+//        class SdrCaptionEscDirItem: public SfxEnumItem<SdrCaptionEscDir>
+//        class SdrCaptionTypeItem: public SfxEnumItem<SdrCaptionType>
+//        class SdrEdgeKindItem: public SfxEnumItem<SdrEdgeKind>
+//        class SdrMeasureTextHPosItem: public SfxEnumItem<css::drawing::MeasureTextHorzPos>
+//        class SdrMeasureTextVPosItem: public SfxEnumItem<css::drawing::MeasureTextVertPos>
+//        class SdrMeasureUnitItem: public SfxEnumItem<FieldUnit>
+//        class XFillStyleItem : public SfxEnumItem<css::drawing::FillStyle>
+//        class XFillBmpPosItem : public SfxEnumItem<RectPoint>
+//        class XFormTextAdjustItem : public SfxEnumItem<XFormTextAdjust>
+//        class XFormTextShadowItem : public SfxEnumItem<XFormTextShadow>
+//        class XLineStyleItem : public SfxEnumItem<css::drawing::LineStyle>
+//        class XLineJointItem : public SfxEnumItem<css::drawing::LineJoint>
+//        class XLineCapItem : public SfxEnumItem<css::drawing::LineCap>
+//        class XFormTextStyleItem : public SfxEnumItem<XFormTextStyle>
+//        class ScViewObjectModeItem: public SfxEnumItem<ScVObjMode>
+//        class SdrCircKindItem: public SfxEnumItem<SdrCircKind>
+//        class SdrMeasureKindItem: public SfxEnumItem<SdrMeasureKind>
+//        class SwFormatFillOrder: public SfxEnumItem<SwFillOrder>
+//        class SwFormatFootnoteEndAtTextEnd : public SfxEnumItem<SwFootnoteEndPosEnum>
+//            class SwFormatFootnoteAtTextEnd : public SwFormatFootnoteEndAtTextEnd
+//            class SwFormatEndAtTextEnd : public SwFormatFootnoteEndAtTextEnd
+//        class SwFormatSurround: public SfxEnumItem<css::text::WrapTextMode>
+//        class SwMirrorGrf : public SfxEnumItem<MirrorGraph>
+//        class SwDrawModeGrf_Base: public SfxEnumItem<GraphicDrawMode>
+//            class SwDrawModeGrf : public SwDrawModeGrf_Base
+//class CntByteItem: public SfxPoolItem
+//    class SfxByteItem: public CntByteItem
+//        class SvxOrphansItem: public SfxByteItem
+//        class SvxPaperBinItem : public SfxByteItem
+//        class SvxWidowsItem: public SfxByteItem
+//        class SwTransparencyGrf : public SfxByteItem
+//class CntUInt16Item: public SfxPoolItem
+//    class SfxUInt16Item: public CntUInt16Item
+//        class SvxTextRotateItem : public SfxUInt16Item
+//            class SvxCharRotateItem : public SvxTextRotateItem
+//        class SvxCharScaleWidthItem : public SfxUInt16Item
+//        class SvxEmphasisMarkItem : public SfxUInt16Item
+//        class SvxParaVertAlignItem : public SfxUInt16Item
+//        class SvxWritingModeItem : public SfxUInt16Item
+//        class SvxZoomItem: public SfxUInt16Item
+//        class SdrPercentItem : public SfxUInt16Item
+//            class SdrGrafTransparenceItem : public SdrPercentItem
+//        class SdrTextAniCountItem: public SfxUInt16Item
+//        class SdrTextAniDelayItem: public SfxUInt16Item
+//        class Svx3DNormalsKindItem : public SfxUInt16Item
+//        class Svx3DTextureProjectionXItem : public SfxUInt16Item
+//        class Svx3DTextureProjectionYItem : public SfxUInt16Item
+//        class Svx3DTextureKindItem : public SfxUInt16Item
+//        class Svx3DTextureModeItem : public SfxUInt16Item
+//        class Svx3DPerspectiveItem : public SfxUInt16Item
+//        class Svx3DShadeModeItem : public SfxUInt16Item
+//        class SdrEdgeLineDeltaCountItem: public SfxUInt16Item
+//        class SvxViewLayoutItem: public SfxUInt16Item
+//        class XFillBmpPosOffsetXItem : public SfxUInt16Item
+//        class XFillBmpPosOffsetYItem : public SfxUInt16Item
+//        class XFillBmpTileOffsetXItem : public SfxUInt16Item
+//        class XFillBmpTileOffsetYItem : public SfxUInt16Item
+//        class XFillTransparenceItem: public SfxUInt16Item
+//        class XFormTextShadowTranspItem: public SfxUInt16Item
+//        class XGradientStepCountItem: public SfxUInt16Item
+//        class XLineTransparenceItem: public SfxUInt16Item
+//        class SvxZoomSliderItem: public SfxUInt16Item
+//        class SdrLayerIdItem: public SfxUInt16Item
+//        class SwRotationGrf : public SfxUInt16Item
+//class CntInt32Item: public SfxPoolItem
+//    class SfxInt32Item: public CntInt32Item
+//        class SfxMetricItem: public SfxInt32Item
+//            class XFillBmpSizeXItem : public SfxMetricItem
+//            class XFillBmpSizeYItem : public SfxMetricItem
+//            class XFormTextDistanceItem : public SfxMetricItem
+//            class XFormTextShadowXValItem : public SfxMetricItem
+//            class XFormTextShadowYValItem : public SfxMetricItem
+//            class XFormTextStartItem : public SfxMetricItem
+//            class XLineEndWidthItem : public SfxMetricItem
+//            class XLineStartWidthItem : public SfxMetricItem
+//            class XLineWidthItem : public SfxMetricItem
+//        class SdrAngleItem: public SfxInt32Item
+//
+//            class SdrCaptionAngleItem: public SdrAngleItem
+//            class SdrMeasureTextFixedAngleItem: public SdrAngleItem
+//            class SdrMeasureTextAutoAngleViewItem: public SdrAngleItem
+//            class SdrRotateAllItem: public SdrAngleItem
+//            class SdrRotateOneItem: public SdrAngleItem
+//            class SdrShearAngleItem: public SdrAngleItem
+//            class SdrHorzShearAllItem: public SdrAngleItem
+//            class SdrVertShearAllItem: public SdrAngleItem
+//            class SdrHorzShearOneItem: public SdrAngleItem
+//            class SdrVertShearOneItem: public SdrAngleItem
+//        class SdrMetricItem: public SfxInt32Item
+//            class SdrCaptionEscAbsItem: public SdrMetricItem
+//            class SdrCaptionGapItem: public SdrMetricItem
+//            class SdrCaptionLineLenItem: public SdrMetricItem
+//            class SdrEdgeNode1HorzDistItem: public SdrMetricItem
+//            class SdrEdgeNode1VertDistItem: public SdrMetricItem
+//            class SdrEdgeNode2HorzDistItem: public SdrMetricItem
+//            class SdrEdgeNode2VertDistItem: public SdrMetricItem
+//            class SdrEdgeNode1GlueDistItem: public SdrMetricItem
+//            class SdrEdgeNode2GlueDistItem: public SdrMetricItem
+//            class SdrAllPositionXItem: public SdrMetricItem
+//            class SdrAllPositionYItem: public SdrMetricItem
+//            class SdrAllSizeWidthItem: public SdrMetricItem
+//            class SdrAllSizeHeightItem: public SdrMetricItem
+//            class SdrLogicSizeWidthItem: public SdrMetricItem
+//            class SdrLogicSizeHeightItem: public SdrMetricItem
+//            class SdrMeasureOverhangItem: public SdrMetricItem
+//            class SdrMoveXItem: public SdrMetricItem
+//            class SdrMoveYItem: public SdrMetricItem
+//            class SdrOnePositionXItem: public SdrMetricItem
+//            class SdrOnePositionYItem: public SdrMetricItem
+//            class SdrOneSizeWidthItem: public SdrMetricItem
+//            class SdrOneSizeHeightItem: public SdrMetricItem
+//            class SdrTransformRef1XItem: public SdrMetricItem
+//            class SdrTransformRef1YItem: public SdrMetricItem
+//            class SdrTransformRef2XItem: public SdrMetricItem
+//            class SdrTransformRef2YItem: public SdrMetricItem
+//        class SdrCaptionEscRelItem: public SfxInt32Item
+//class CntUInt32Item: public SfxPoolItem
+//    class SfxUInt32Item: public CntUInt32Item
+//        class SvxRsidItem : public SfxUInt32Item
+//        class SdrGrafGamma100Item : public SfxUInt32Item
+//        class SwTableBoxNumFormat : public SfxUInt32Item
+//class CntUnencodedStringItem: public SfxPoolItem
+//    class SfxStringItem: public CntUnencodedStringItem
+//        class SvxPageModelItem : public SfxStringItem
+//        class SfxDocumentInfoItem : public SfxStringItem
+//        class SvxPostItAuthorItem: public SfxStringItem
+//        class SvxPostItDateItem: public SfxStringItem
+//        class SvxPostItTextItem: public SfxStringItem
+//        class SvxPostItIdItem: public SfxStringItem
+//        class SdrMeasureFormatStringItem: public SfxStringItem
+//        class NameOrIndex : public SfxStringItem
+//            class XFillBitmapItem : public NameOrIndex
+//            class XColorItem : public NameOrIndex
+//                class XFillColorItem : public XColorItem
+//                class XFormTextShadowColorItem : public XColorItem
+//                class XLineColorItem : public XColorItem
+//                class XSecondaryFillColorItem : public XColorItem
+//            class XFillGradientItem : public NameOrIndex
+//                class XFillFloatTransparenceItem : public XFillGradientItem
+//            class XFillHatchItem : public NameOrIndex
+//            class XLineDashItem : public NameOrIndex
+//            class XLineEndItem : public NameOrIndex
+//            class XLineStartItem : public NameOrIndex
+//        class SfxScriptOrganizerItem : public SfxStringItem
+//        class SdrLayerNameItem: public SfxStringItem
+//        class SwNumRuleItem : public SfxStringItem
+//class SfxBoolItem    : public SfxPoolItem
+//    class SvxAutoKernItem : public SfxBoolItem
+//    class SvxBlinkItem : public SfxBoolItem
+//    class SvxCharHiddenItem : public SfxBoolItem
+//    class SvxContourItem : public SfxBoolItem
+//    class SvxForbiddenRuleItem : public SfxBoolItem
+//    class SvxHangingPunctuationItem : public SfxBoolItem
+//    class SvxFormatKeepItem : public SfxBoolItem
+//    class SvxNoHyphenItem : public SfxBoolItem
+//    class SvxOpaqueItem : public SfxBoolItem
+//    class SvxParaGridItem : public SfxBoolItem
+//    class SvxPrintItem : public SfxBoolItem
+//    class SvxScriptSpaceItem : public SfxBoolItem
+//    class SvxShadowedItem : public SfxBoolItem
+//    class SvxFormatSplitItem : public SfxBoolItem
+//    class SvxWordLineModeItem : public SfxBoolItem
+//    class SdrOnOffItem: public SfxBoolItem
+//        class SdrGrafInvertItem : public SdrOnOffItem
+//    class SdrTextFixedCellHeightItem : public SfxBoolItem
+//    class SdrYesNoItem: public SfxBoolItem
+//        class SdrTextAniStartInsideItem: public SdrYesNoItem
+//        class SdrTextAniStopInsideItem: public SdrYesNoItem
+//        class SdrCaptionEscIsRelItem: public SdrYesNoItem
+//        class SdrCaptionFitLineLenItem: public SdrYesNoItem
+//        class SdrMeasureBelowRefEdgeItem: public SdrYesNoItem
+//        class SdrMeasureTextIsFixedAngleItem: public SdrYesNoItem
+//        class SdrMeasureTextRota90Item: public SdrYesNoItem
+//        class SdrMeasureTextUpsideDownItem: public SdrYesNoItem
+//        class SdrMeasureTextAutoAngleItem: public SdrYesNoItem
+//        class SdrObjPrintableItem: public SdrYesNoItem
+//        class SdrObjVisibleItem: public SdrYesNoItem
+//    class Svx3DReducedLineGeometryItem : public SfxBoolItem
+//    class Svx3DSmoothNormalsItem : public SfxBoolItem
+//    class Svx3DSmoothLidsItem : public SfxBoolItem
+//    class Svx3DCharacterModeItem : public SfxBoolItem
+//    class Svx3DCloseFrontItem : public SfxBoolItem
+//    class Svx3DCloseBackItem : public SfxBoolItem
+//    class XFillBackgroundItem : public SfxBoolItem
+//    class XFillUseSlideBackgroundItem : public SfxBoolItem
+//    class XFillBmpSizeLogItem : public SfxBoolItem
+//    class XFillBmpTileItem : public SfxBoolItem
+//    class XFillBmpStretchItem : public SfxBoolItem
+//    class XFormTextMirrorItem : public SfxBoolItem
+//    class XFormTextOutlineItem : public SfxBoolItem
+//    class XLineEndCenterItem : public SfxBoolItem
+//    class XLineStartCenterItem : public SfxBoolItem
+//    class XFormTextHideFormItem : public SfxBoolItem
+//    class SwFormatNoBalancedColumns : public SfxBoolItem
+//    class SwFormatEditInReadonly : public SfxBoolItem
+//    class SwFormatFollowTextFlow : public SfxBoolItem
+//    class SwFormatLayoutSplit : public SfxBoolItem
+//    class SwFormatRowSplit : public SfxBoolItem
+//    class SwInvertGrf: public SfxBoolItem
+//    class SwHeaderAndFooterEatSpacingItem : public SfxBoolItem
+//    class SwRegisterItem : public SfxBoolItem
+//    class SwParaConnectBorderItem : public SfxBoolItem
+// class SfxFlagItem: public SfxPoolItem
+//     class SfxTemplateItem: public SfxFlagItem
+// class SfxGlobalNameItem: public SfxPoolItem
+// class SfxGrabBagItem : public SfxPoolItem
+// class SfxIntegerListItem : public SfxPoolItem
+// class SfxInt64Item : public SfxPoolItem
+// class SfxInt16Item: public SfxPoolItem
+//     class SvxKerningItem : public SfxInt16Item
+//     class SfxImageItem : public SfxInt16Item
+//     class SdrSignedPercentItem : public SfxInt16Item
+//         class SdrGrafRedItem : public SdrSignedPercentItem
+//         class SdrGrafGreenItem : public SdrSignedPercentItem
+//         class SdrGrafBlueItem : public SdrSignedPercentItem
+//         class SdrGrafLuminanceItem : public SdrSignedPercentItem
+//         class SdrGrafContrastItem : public SdrSignedPercentItem
+//     class SdrTextAniAmountItem: public SfxInt16Item
+//     class SdrMeasureDecimalPlacesItem: public SfxInt16Item
+//     class ScMergeFlagAttr: public SfxInt16Item
+//     class SwLuminanceGrf : public SfxInt16Item
+//     class SwContrastGrf : public SfxInt16Item
+//     class SwChannelGrf : public SfxInt16Item
+// class SfxLockBytesItem : public SfxPoolItem
+// class SvxMacroItem: public SfxPoolItem
+// class SfxVoidItem final: public SfxPoolItem
+// class SfxSetItem: public SfxPoolItem
+//     class SvxScriptSetItem : public SfxSetItem
+//     class SfxTabDialogItem: public SfxSetItem
+//     class SvxSetItem: public SfxSetItem
+//     class XFillAttrSetItem : public SfxSetItem
+//     class XLineAttrSetItem : public SfxSetItem
+//     class ScPatternAttr: public SfxSetItem
+// class SfxPointItem: public SfxPoolItem
+// class SfxRectangleItem: public SfxPoolItem
+// class SfxRangeItem : public SfxPoolItem
+// class SfxStringListItem : public SfxPoolItem
+// class SvxSearchItem :        public SfxPoolItem
+// class SfxVisibilityItem: public SfxPoolItem
+// class AffineMatrixItem : public SfxPoolItem
+// class SvxMarginItem: public SfxPoolItem
+// class SvxDoubleItem : public SfxPoolItem
+// class SvxClipboardFormatItem : public SfxPoolItem
+// class SvxColorListItem: public SfxPoolItem
+// class SvxGradientListItem : public SfxPoolItem
+// class SvxHatchListItem : public SfxPoolItem
+// class SvxBitmapListItem : public SfxPoolItem
+// class SvxPatternListItem : public SfxPoolItem
+// class SvxDashListItem : public SfxPoolItem
+// class SvxLineEndListItem : public SfxPoolItem
+// class SvxB3DVectorItem : public SfxPoolItem
+// class SvxGalleryItem : public SfxPoolItem
+// class SvxGrfCrop : public SfxPoolItem
+//     class SdrGrafCropItem : public SvxGrfCrop
+//     class SwCropGrf : public SvxGrfCrop
+// class SvxHyperlinkItem : public SfxPoolItem
+// class SvxNumberInfoItem : public SfxPoolItem
+// class OfaPtrItem : public SfxPoolItem
+// class OfaXColorListItem : public SfxPoolItem
+// class SvxGridItem : public SvxOptionsGrid, public SfxPoolItem
+//     class SdOptionsGridItem : public SvxGridItem
+// class SvxPageItem: public SfxPoolItem
+// class SvxLongLRSpaceItem : public SfxPoolItem
+// class SvxLongULSpaceItem : public SfxPoolItem
+// class SvxPagePosSizeItem : public SfxPoolItem
+// class SvxColumnItem : public SfxPoolItem
+// class SvxObjectItem : public SfxPoolItem
+// class SdrCustomShapeGeometryItem : public SfxPoolItem
+// class SvxSmartTagItem : public SfxPoolItem
+// class SvxGraphicItem: public SfxPoolItem
+// class SdrFractionItem: public SfxPoolItem
+//     class SdrScaleItem: public SdrFractionItem
+//         class SdrMeasureScaleItem: public SdrScaleItem
+//     class SdrResizeXAllItem: public SdrFractionItem
+//     class SdrResizeYAllItem: public SdrFractionItem
+//     class SdrResizeXOneItem: public SdrFractionItem
+//     class SdrResizeYOneItem: public SdrFractionItem
+// class ScMergeAttr: public SfxPoolItem
+// class ScProtectionAttr: public SfxPoolItem
+// class ScPageHFItem : public SfxPoolItem
+// class ScPageScaleToItem : public SfxPoolItem
+// class ScCondFormatItem : public SfxPoolItem
+// class ScTpDefaultsItem : public SfxPoolItem
+// class ScTpCalcItem : public SfxPoolItem
+// class ScTpFormulaItem : public SfxPoolItem
+// class ScTpPrintItem : public SfxPoolItem
+// class ScTpViewItem : public SfxPoolItem
+// class ScCondFormatDlgItem : public SfxPoolItem
+// class ScInputStatusItem : public SfxPoolItem
+// class ScSortItem : public SfxPoolItem
+// class ScQueryItem : public SfxPoolItem
+// class ScSubTotalItem : public SfxPoolItem
+// class cUserListItem : public SfxPoolItem
+// class ScConsolidateItem : public SfxPoolItem
+// class ScPivotItem : public SfxPoolItem
+// class ScSolveItem : public SfxPoolItem
+// class ScTabOpItem : public SfxPoolItem
+// class SdOptionsLayoutItem : public SfxPoolItem
+// class SdOptionsMiscItem : public SfxPoolItem
+// class SdOptionsSnapItem : public SfxPoolItem
+// class SdOptionsPrintItem : public SfxPoolItem
+// class SwCondCollItem : public SfxPoolItem
+// class SwTableBoxFormula : public SfxPoolItem, public SwTableFormula
+// class SwTableBoxValue : public SfxPoolItem
+// class SwFormatCharFormat: public SfxPoolItem, public SwClient
+// class SwFormatAnchor: public SfxPoolItem
+// class SwFormatAutoFormat: public SfxPoolItem
+// class SwFormatCol : public SfxPoolItem
+// class SwFormatChain: public SfxPoolItem
+// class SwFormatContent: public SfxPoolItem
+// class SwFormatFlyCnt : public SfxPoolItem
+// class SwFormatField    : public SfxPoolItem
+// class SwFormatFootnote    : public SfxPoolItem
+// class SwFormatHeader: public SfxPoolItem, public SwClient
+// class SwFormatFooter: public SfxPoolItem, public SwClient
+// class SwFormatINetFormat    : public SfxPoolItem
+// class SwFormatLineNumber: public SfxPoolItem
+// class SwFormatMeta    : public SfxPoolItem
+// class SwFormatVertOrient: public SfxPoolItem
+// class SwFormatHoriOrient: public SfxPoolItem
+// class SwFormatPageDesc : public SfxPoolItem, public SwClient
+// class SwFormatRefMark    : public SfxPoolItem
+// class SwFormatRuby : public SfxPoolItem
+// class SwFormatURL: public SfxPoolItem
+// class SwFormatWrapInfluenceOnObjPos: public SfxPoolItem
+// class SwGammaGrf : public SfxPoolItem
+// class SwMsgPoolItem : public SfxPoolItem
+//     class SwPtrMsgPoolItem : public SwMsgPoolItem
+//     class SwFormatChg: public SwMsgPoolItem
+//     class SwUpdateAttr : public SwMsgPoolItem
+//     class SwTableFormulaUpdate : public SwMsgPoolItem
+//     class SwAutoFormatGetDocNode: public SwMsgPoolItem
+//     class SwAttrSetChg: public SwMsgPoolItem
+//     class SwFindNearestNode : public SwMsgPoolItem
+//     class SwStringMsgPoolItem : public SwMsgPoolItem
+// class SwFormatDrop: public SfxPoolItem, public SwClient
+// class SwTextGridItem : public SfxPoolItem
+// class SwTOXMark    : public SfxPoolItem
+// class SwFltAnchor : public SfxPoolItem
+// class SwFltRedline : public SfxPoolItem
+// class SwFltBookmark : public SfxPoolItem
+// class SwFltRDFMark : public SfxPoolItem
+// class SwFltTOX : public SfxPoolItem
+// class SwDocDisplayItem : public SfxPoolItem
+// class SwElemItem : public SfxPoolItem
+// class SwAddPrinterItem : public SfxPoolItem, public SwPrintData
+// class SwShadowCursorItem : public SfxPoolItem
+// class SwTestItem : public SfxPoolItem
+// class SwEnvItem : public SfxPoolItem
+// class SwLabItem : public SfxPoolItem
+// class SwWrtShellItem: public SfxPoolItem
+// class SwPageFootnoteInfoItem : public SfxPoolItem
+// class SwPtrItem : public SfxPoolItem
+// class SwUINumRuleItem : public SfxPoolItem
+// class SwPaMItem : public SfxPoolItem
+//////////////////////////////////////////////////////////////////////////////
+
+#ifdef DBG_UTIL
+static size_t nAllocatedSfxPoolItemCount(0);
+static size_t nUsedSfxPoolItemCount(0);
+size_t getAllocatedSfxPoolItemCount() { return nAllocatedSfxPoolItemCount; }
+size_t getUsedSfxPoolItemCount() { return nUsedSfxPoolItemCount; }
+static std::unordered_set<const SfxPoolItem*>& incarnatedSfxPoolItems()
+{
+    // Deferred instantiation to avoid initialization-order-fiasco:
+    static std::unordered_set<const SfxPoolItem*> items;
+    return items;
+}
+void listAllocatedSfxPoolItems()
+{
+    SAL_INFO("svl.items", "ITEM: List of still allocated SfxPoolItems:");
+    for (const auto& rCandidate : incarnatedSfxPoolItems())
+    {
+        SAL_INFO("svl.items", "  ITEM: WhichID: " << rCandidate->Which() << "  SerialNumber: "
+                                                  << rCandidate->getSerialNumber()
+                                                  << "  Class: " << typeid(*rCandidate).name());
+    }
+}
+#endif
+
+SfxPoolItem::SfxPoolItem(sal_uInt16 const nWhich)
+    : m_nRefCount(0)
+    , m_nWhich(nWhich)
+#ifdef DBG_UTIL
+    , m_nSerialNumber(nUsedSfxPoolItemCount)
+#endif
+    , m_bIsVoidItem(false)
+    , m_bStaticDefault(false)
+    , m_bPoolDefault(false)
+    , m_bRegisteredAtPool(false)
+    , m_bExceptionalSCItem(false)
+    , m_bIsSetItem(false)
+#ifdef DBG_UTIL
+    , m_bDeleted(false)
+#endif
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxPoolItemCount++;
+    nUsedSfxPoolItemCount++;
+    incarnatedSfxPoolItems().insert(this);
+#endif
+    assert(nWhich <= SHRT_MAX);
+}
+
+SfxPoolItem::~SfxPoolItem()
+{
+#ifdef DBG_UTIL
+    nAllocatedSfxPoolItemCount--;
+    incarnatedSfxPoolItems().erase(this);
+    m_bDeleted = true;
+#endif
+    assert((m_nRefCount == 0 || m_nRefCount > SFX_ITEMS_MAXREF) && "destroying item in use");
+}
+
+bool SfxPoolItem::operator==(const SfxPoolItem& rCmp) const
+{
+    SAL_WARN_IF(typeid(rCmp) != typeid(*this), "svl",
+                "comparing different pool item subclasses " << typeid(rCmp).name() << " && "
+                                                            << typeid(*this).name());
+    assert(typeid(rCmp) == typeid(*this) && "comparing different pool item subclasses");
+    (void)rCmp;
+    return true;
+}
+
+/**
+ * This virtual method allows to get a textual representation of the value
+ * for the SfxPoolItem subclasses. It should be overridden by all UI-relevant
+ * SfxPoolItem subclasses.
+ *
+ * Because the unit of measure of the value in the SfxItemPool is only
+ * queryable via @see SfxItemPool::GetMetric(sal_uInt16) const (and not
+ * via the SfxPoolItem instance or subclass, the own unit of measure is
+ * passed to 'eCoreMetric'.
+ *
+ * The corresponding unit of measure is passed as 'ePresentationMetric'.
+ *
+ *
+ * @return SfxItemPresentation     SfxItemPresentation::Nameless
+ *                                 A textual representation (if applicable
+ *                                 with a unit of measure) could be created,
+ *                                 but it doesn't contain any semantic meaning
+ *
+ *                                 SfxItemPresentation::Complete
+ *                                 A complete textual representation could be
+ *                                 created with semantic meaning (if applicable
+ *                                 with unit of measure)
+ *
+ * Example:
+ *
+ *    pSvxFontItem->GetPresentation( SFX_PRESENTATION_NAMELESS, ... )
+ *      "12pt" with return SfxItemPresentation::Nameless
+ *
+ *    pSvxColorItem->GetPresentation( SFX_PRESENTATION_COMPLETE, ... )
+ *        "red" with return SfxItemPresentation::Nameless
+ *        Because the SvxColorItem does not know which color it represents
+ *        it cannot provide a name, which is communicated by the return value
+ *
+ *    pSvxBorderItem->GetPresentation( SFX_PRESENTATION_COMPLETE, ... )
+ *        "1cm top border, 2cm left border, 0.2cm bottom border, ..."
+ */
+bool SfxPoolItem::GetPresentation(
+    SfxItemPresentation /*ePresentation*/, // IN:  how we should format
+    MapUnit /*eCoreMetric*/, // IN:  current metric of the SfxPoolItems
+    MapUnit /*ePresentationMetric*/, // IN:  target metric of the presentation
+    OUString& /*rText*/, // OUT: textual representation
+    const IntlWrapper&) const
+{
+    return false;
+}
+
+void SfxPoolItem::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxPoolItem"));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("ptr"), "%p", this);
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"),
+                                      BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("typeName"),
+                                      BAD_CAST(typeid(*this).name()));
+    OUString rText;
+    IntlWrapper aIntlWrapper(SvtSysLocale().GetUILanguageTag());
+    if (GetPresentation(SfxItemPresentation::Complete, MapUnit::Map100thMM, MapUnit::Map100thMM,
+                        rText, aIntlWrapper))
+        (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("presentation"),
+                                          BAD_CAST(rText.toUtf8().getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+boost::property_tree::ptree SfxPoolItem::dumpAsJSON() const
+{
+    boost::property_tree::ptree aTree;
+    return aTree;
+}
+
+std::unique_ptr<SfxPoolItem> SfxPoolItem::CloneSetWhich(sal_uInt16 nNewWhich) const
+{
+    std::unique_ptr<SfxPoolItem> pItem(Clone());
+    pItem->SetWhich(nNewWhich);
+    return pItem;
+}
+
+void SfxPoolItem::ScaleMetrics(tools::Long /*lMult*/, tools::Long /*lDiv*/) {}
+
+bool SfxPoolItem::HasMetrics() const { return false; }
+
+bool SfxPoolItem::QueryValue(css::uno::Any&, sal_uInt8) const
+{
+    OSL_FAIL("There is no implementation for QueryValue for this item!");
+    return false;
+}
+
+bool SfxPoolItem::PutValue(const css::uno::Any&, sal_uInt8)
+{
+    OSL_FAIL("There is no implementation for PutValue for this item!");
+    return false;
+}
+
+bool areSfxPoolItemPtrsEqual(const SfxPoolItem* pItem1, const SfxPoolItem* pItem2)
+{
+#ifdef DBG_UTIL
+    if (nullptr != pItem1 && nullptr != pItem2 && pItem1->Which() == pItem2->Which()
+        && static_cast<const void*>(pItem1) != static_cast<const void*>(pItem2)
+        && typeid(*pItem1) == typeid(*pItem2) && *pItem1 == *pItem2)
+    {
+        SAL_INFO("svl.items", "ITEM: PtrCompare != ContentCompare (!)");
+    }
+#endif
+
+    // cast to void* to not trigger [loplugin:itemcompare]
+    return (static_cast<const void*>(pItem1) == static_cast<const void*>(pItem2));
+}
+
+bool SfxPoolItem::areSame(const SfxPoolItem* pItem1, const SfxPoolItem* pItem2)
+{
+    if (pItem1 == pItem2)
+        // pointer compare, this handles already
+        // nullptr, INVALID_POOL_ITEM, SfxVoidItem
+        // and if any Item is indeed handed over twice
+        return true;
+
+    if (nullptr == pItem1 || nullptr == pItem2)
+        // one ptr is nullptr, not both, that would
+        // have triggered above
+        return false;
+
+    if (pItem1->Which() != pItem2->Which())
+        // WhichIDs differ (fast)
+        return false;
+
+    if (typeid(*pItem1) != typeid(*pItem2))
+        // types differ (fast)
+        // NOTE: we can now use typeid since we do not have (-1)
+        // anymore for Invalid state -> safe
+        return false;
+
+    // return content compare using operator== at last
+    return *pItem1 == *pItem2;
+}
+
+bool SfxPoolItem::areSame(const SfxPoolItem& rItem1, const SfxPoolItem& rItem2)
+{
+    if (&rItem1 == &rItem2)
+        // still use pointer compare, this handles already
+        // nullptr, INVALID_POOL_ITEM, SfxVoidItem
+        // and if any Item is indeed handed over twice
+        return true;
+
+    if (rItem1.Which() != rItem2.Which())
+        // WhichIDs differ (fast)
+        return false;
+
+    if (typeid(rItem1) != typeid(rItem2))
+        // types differ (fast)
+        // NOTE: we can now use typeid since we do not have (-1)
+        // anymore for Invalid state -> safe
+        return false;
+
+    // return content compare using operator== at last
+    return rItem1 == rItem2;
+}
+
+namespace
+{
+class InvalidItem final : public SfxPoolItem
+{
+    virtual bool operator==(const SfxPoolItem&) const override { return true; }
+    virtual SfxPoolItem* Clone(SfxItemPool*) const override { return nullptr; }
+};
+InvalidItem aInvalidItem;
+}
+
+SfxPoolItem const* const INVALID_POOL_ITEM = &aInvalidItem;
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/ptitem.cxx b/svl/source/items/ptitem.cxx
new file mode 100644
index 0000000000..361cb4f4fc
--- /dev/null
+++ b/svl/source/items/ptitem.cxx
@@ -0,0 +1,136 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/ptitem.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/awt/Point.hpp>
+#include <osl/diagnose.h>
+#include <tools/mapunit.hxx>
+#include <tools/UnitConversion.hxx>
+
+#include <svl/poolitem.hxx>
+#include <svl/memberid.h>
+
+using namespace ::com::sun::star;
+
+
+SfxPoolItem* SfxPointItem::CreateDefault() { return new SfxPointItem; }
+
+
+SfxPointItem::SfxPointItem()
+{
+}
+
+
+SfxPointItem::SfxPointItem( sal_uInt16 nW, const Point& rVal ) :
+    SfxPoolItem( nW ),
+    aVal( rVal )
+{
+}
+
+
+bool SfxPointItem::GetPresentation
+(
+    SfxItemPresentation     /*ePresentation*/,
+    MapUnit                 /*eCoreMetric*/,
+    MapUnit                 /*ePresentationMetric*/,
+    OUString&               rText,
+    const IntlWrapper&
+)   const
+{
+    rText = OUString::number(aVal.X()) + ", " + OUString::number(aVal.Y()) + ", ";
+    return true;
+}
+
+
+bool SfxPointItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return static_cast<const SfxPointItem&>(rItem).aVal == aVal;
+}
+
+SfxPointItem* SfxPointItem::Clone(SfxItemPool *) const
+{
+    return new SfxPointItem( *this );
+}
+
+bool SfxPointItem::QueryValue( uno::Any& rVal,
+                               sal_uInt8 nMemberId ) const
+{
+    bool bConvert = 0!=(nMemberId&CONVERT_TWIPS);
+    awt::Point aTmp(aVal.X(), aVal.Y());
+    if( bConvert )
+    {
+        aTmp.X = convertTwipToMm100(aTmp.X);
+        aTmp.Y = convertTwipToMm100(aTmp.Y);
+    }
+    nMemberId &= ~CONVERT_TWIPS;
+    switch ( nMemberId )
+    {
+        case 0: rVal <<= aTmp; break;
+        case MID_X: rVal <<= aTmp.X; break;
+        case MID_Y: rVal <<= aTmp.Y; break;
+        default: OSL_FAIL("Wrong MemberId!"); return true;
+    }
+
+    return true;
+}
+
+
+bool SfxPointItem::PutValue( const uno::Any& rVal,
+                             sal_uInt8 nMemberId )
+{
+    bool bConvert = 0!=(nMemberId&CONVERT_TWIPS);
+    nMemberId &= ~CONVERT_TWIPS;
+    bool bRet = false;
+    awt::Point aValue;
+    sal_Int32 nVal = 0;
+    if ( !nMemberId )
+    {
+        bRet = ( rVal >>= aValue );
+        if( bConvert )
+        {
+            aValue.X = o3tl::toTwips(aValue.X, o3tl::Length::mm100);
+            aValue.Y = o3tl::toTwips(aValue.Y, o3tl::Length::mm100);
+        }
+    }
+    else
+    {
+        bRet = ( rVal >>= nVal );
+        if( bConvert )
+            nVal = o3tl::toTwips(nVal, o3tl::Length::mm100);
+    }
+
+    if ( bRet )
+    {
+        switch ( nMemberId )
+        {
+            case 0: aVal.setX( aValue.X ); aVal.setY( aValue.Y ); break;
+            case MID_X: aVal.setX( nVal ); break;
+            case MID_Y: aVal.setY( nVal ); break;
+            default: OSL_FAIL("Wrong MemberId!"); return false;
+        }
+    }
+
+    return bRet;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/rectitem.cxx b/svl/source/items/rectitem.cxx
new file mode 100644
index 0000000000..f6a5db309d
--- /dev/null
+++ b/svl/source/items/rectitem.cxx
@@ -0,0 +1,132 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/rectitem.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <osl/diagnose.h>
+
+#include <svl/poolitem.hxx>
+#include <svl/memberid.h>
+
+
+SfxPoolItem* SfxRectangleItem::CreateDefault() { return new SfxRectangleItem; }
+
+
+SfxRectangleItem::SfxRectangleItem()
+{
+}
+
+
+SfxRectangleItem::SfxRectangleItem( sal_uInt16 nW, const tools::Rectangle& rVal ) :
+    SfxPoolItem( nW ),
+    maVal( rVal )
+{
+}
+
+
+bool SfxRectangleItem::GetPresentation
+(
+    SfxItemPresentation     /*ePresentation*/,
+    MapUnit                 /*eCoreMetric*/,
+    MapUnit                 /*ePresentationMetric*/,
+    OUString&               rText,
+    const IntlWrapper&
+)   const
+{
+    rText = OUString::number(maVal.Top())    + ", " +
+            OUString::number(maVal.Left())   + ", " +
+            OUString::number(maVal.Bottom()) + ", " +
+            OUString::number(maVal.Right());
+    return true;
+}
+
+
+bool SfxRectangleItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return static_cast<const SfxRectangleItem&>(rItem).maVal == maVal;
+}
+
+SfxRectangleItem* SfxRectangleItem::Clone(SfxItemPool *) const
+{
+    return new SfxRectangleItem( *this );
+}
+
+bool SfxRectangleItem::QueryValue( css::uno::Any& rVal,
+                                   sal_uInt8 nMemberId) const
+{
+    nMemberId &= ~CONVERT_TWIPS;
+    switch ( nMemberId )
+    {
+        case 0:
+        {
+            rVal <<= css::awt::Rectangle( maVal.Left(),
+                                             maVal.Top(),
+                                             maVal.getOpenWidth(),
+                                             maVal.getOpenHeight() );
+            break;
+        }
+        case MID_RECT_LEFT:  rVal <<= maVal.Left(); break;
+        case MID_RECT_RIGHT: rVal <<= maVal.Top(); break;
+        case MID_WIDTH: rVal <<= maVal.getOpenWidth(); break;
+        case MID_HEIGHT: rVal <<= maVal.getOpenHeight(); break;
+        default: OSL_FAIL("Wrong MemberID!"); return false;
+    }
+
+    return true;
+}
+
+
+bool SfxRectangleItem::PutValue( const css::uno::Any& rVal,
+                                 sal_uInt8 nMemberId )
+{
+    bool bRet = false;
+    nMemberId &= ~CONVERT_TWIPS;
+    css::awt::Rectangle aValue;
+    sal_Int32 nVal = 0;
+    if ( !nMemberId )
+        bRet = (rVal >>= aValue);
+    else
+        bRet = (rVal >>= nVal);
+
+    if ( bRet )
+    {
+        switch ( nMemberId )
+        {
+            case 0:
+                maVal.SetLeft( aValue.X );
+                maVal.SetTop( aValue.Y );
+                maVal.setWidth( aValue.Width );
+                maVal.setHeight( aValue.Height );
+                break;
+            case MID_RECT_LEFT:  maVal.SetPosX( nVal ); break;
+            case MID_RECT_RIGHT: maVal.SetPosY( nVal ); break;
+            case MID_WIDTH: maVal.setWidth( nVal ); break;
+            case MID_HEIGHT: maVal.setHeight( nVal ); break;
+            default: OSL_FAIL("Wrong MemberID!"); return false;
+        }
+    }
+
+    return bRet;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/rngitem.cxx b/svl/source/items/rngitem.cxx
new file mode 100644
index 0000000000..89f7e642ed
--- /dev/null
+++ b/svl/source/items/rngitem.cxx
@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <svl/rngitem.hxx>
+
+
+SfxRangeItem::SfxRangeItem( sal_uInt16 which, sal_uInt16 from, sal_uInt16 to ):
+    SfxPoolItem( which ),
+    nFrom( from ),
+    nTo( to )
+{
+}
+
+
+bool SfxRangeItem::GetPresentation
+(
+    SfxItemPresentation     /*ePresentation*/,
+    MapUnit                 /*eCoreMetric*/,
+    MapUnit                 /*ePresentationMetric*/,
+    OUString&               rText,
+    const IntlWrapper&
+)   const
+{
+    rText = OUString::number(nFrom) + ":" + OUString::number(nTo);
+    return true;
+}
+
+
+bool SfxRangeItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    const SfxRangeItem& rT = static_cast<const SfxRangeItem&>(rItem);
+    return nFrom==rT.nFrom && nTo==rT.nTo;
+}
+
+SfxRangeItem* SfxRangeItem::Clone(SfxItemPool *) const
+{
+    return new SfxRangeItem( Which(), nFrom, nTo );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/sitem.cxx b/svl/source/items/sitem.cxx
new file mode 100644
index 0000000000..037097f7bc
--- /dev/null
+++ b/svl/source/items/sitem.cxx
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <rtl/ustring.hxx>
+#include <svl/itemset.hxx>
+#include <svl/setitem.hxx>
+#include <svl/poolitem.hxx>
+
+SfxSetItem::SfxSetItem( sal_uInt16 which, const SfxItemSet &rSet) :
+    SfxPoolItem(which),
+    maSet(rSet)
+{
+    assert(!dynamic_cast<const SfxAllItemSet*>(&rSet) && "cannot handle SfxAllItemSet here");
+    setIsSetItem();
+}
+
+
+SfxSetItem::SfxSetItem( sal_uInt16 which, SfxItemSet &&pS) :
+    SfxPoolItem(which),
+    maSet(pS)
+{
+    assert(!dynamic_cast<SfxAllItemSet*>(&pS) && "cannot handle SfxAllItemSet here");
+    setIsSetItem();
+}
+
+
+SfxSetItem::SfxSetItem( const SfxSetItem& rCopy, SfxItemPool *pPool ) :
+    SfxPoolItem(rCopy),
+    maSet(rCopy.maSet.CloneAsValue(true, pPool))
+{
+    assert(!dynamic_cast<const SfxAllItemSet*>(&rCopy.maSet) && "cannot handle SfxAllItemSet here");
+    setIsSetItem();
+}
+
+
+bool SfxSetItem::operator==( const SfxPoolItem& rCmp) const
+{
+    assert(SfxPoolItem::operator==(rCmp));
+    return maSet == static_cast<const SfxSetItem &>(rCmp).maSet;
+}
+
+
+bool SfxSetItem::GetPresentation
+(
+    SfxItemPresentation    /*ePresentation*/,
+    MapUnit                /*eCoreMetric*/,
+    MapUnit                /*ePresentationMetric*/,
+    OUString&              /*rText*/,
+    const IntlWrapper&
+)   const
+{
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/slstitm.cxx b/svl/source/items/slstitm.cxx
new file mode 100644
index 0000000000..02784446ca
--- /dev/null
+++ b/svl/source/items/slstitm.cxx
@@ -0,0 +1,166 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/slstitm.hxx>
+#include <svl/poolitem.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <comphelper/sequence.hxx>
+#include <osl/diagnose.h>
+#include <rtl/ustrbuf.hxx>
+#include <tools/lineend.hxx>
+
+SfxPoolItem* SfxStringListItem::CreateDefault() { return new SfxStringListItem; }
+
+SfxStringListItem::SfxStringListItem()
+{
+}
+
+
+SfxStringListItem::SfxStringListItem( sal_uInt16 which, const std::vector<OUString>* pList ) :
+    SfxPoolItem( which )
+{
+    // FIXME: Putting an empty list does not work
+    // Therefore the query after the count is commented out
+    if( pList /*!!! && pList->Count() */ )
+    {
+        mpList = std::make_shared<std::vector<OUString>>(*pList);
+    }
+}
+
+
+SfxStringListItem::~SfxStringListItem()
+{
+}
+
+
+std::vector<OUString>& SfxStringListItem::GetList()
+{
+    if( !mpList )
+        mpList = std::make_shared<std::vector<OUString>>();
+    return *mpList;
+}
+
+const std::vector<OUString>& SfxStringListItem::GetList () const
+{
+    return const_cast< SfxStringListItem * >(this)->GetList();
+}
+
+
+bool SfxStringListItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+
+    const SfxStringListItem& rSSLItem = static_cast<const SfxStringListItem&>(rItem);
+
+    return mpList == rSSLItem.mpList;
+}
+
+
+bool SfxStringListItem::GetPresentation
+(
+    SfxItemPresentation     /*ePresentation*/,
+    MapUnit                 /*eCoreMetric*/,
+    MapUnit                 /*ePresentationMetric*/,
+    OUString&               rText,
+    const IntlWrapper&
+)   const
+{
+    rText = "(List)";
+    return false;
+}
+
+SfxStringListItem* SfxStringListItem::Clone( SfxItemPool *) const
+{
+    return new SfxStringListItem( *this );
+}
+
+void SfxStringListItem::SetString( const OUString& rStr )
+{
+    mpList = std::make_shared<std::vector<OUString>>();
+
+    OUString aStr(convertLineEnd(rStr, LINEEND_CR));
+    // put last string only if not empty
+    for (sal_Int32 nStart = 0; nStart >= 0 && nStart < aStr.getLength();)
+        mpList->push_back(aStr.getToken(0, '\r', nStart));
+}
+
+
+OUString SfxStringListItem::GetString()
+{
+    OUStringBuffer aStr;
+    if ( mpList )
+    {
+        for (auto iter = mpList->begin(), end = mpList->end(); iter != end;)
+        {
+            aStr.append(*iter);
+            ++iter;
+
+            if (iter == end)
+                break;
+
+            aStr.append(SAL_NEWLINE_STRING);
+        }
+    }
+    return aStr.makeStringAndClear();
+}
+
+
+void SfxStringListItem::SetStringList( const css::uno::Sequence< OUString >& rList )
+{
+    mpList = std::make_shared<std::vector<OUString>>(
+        comphelper::sequenceToContainer<std::vector<OUString>>(rList));
+}
+
+void SfxStringListItem::GetStringList( css::uno::Sequence< OUString >& rList ) const
+{
+    size_t nCount = mpList->size();
+
+    rList.realloc( nCount );
+    auto pList = rList.getArray();
+    for( size_t i=0; i < nCount; i++ )
+        pList[i] = (*mpList)[i];
+}
+
+// virtual
+bool SfxStringListItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
+{
+    css::uno::Sequence< OUString > aValue;
+    if ( rVal >>= aValue )
+    {
+        SetStringList( aValue );
+        return true;
+    }
+
+    OSL_FAIL( "SfxStringListItem::PutValue - Wrong type!" );
+    return false;
+}
+
+// virtual
+bool SfxStringListItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
+{
+    css::uno::Sequence< OUString > aStringList;
+    GetStringList( aStringList );
+    rVal <<= aStringList;
+    return true;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/srchitem.cxx b/svl/source/items/srchitem.cxx
new file mode 100644
index 0000000000..1300bf744a
--- /dev/null
+++ b/svl/source/items/srchitem.cxx
@@ -0,0 +1,662 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <sal/log.hxx>
+#include <svl/srchitem.hxx>
+#include <sal/macros.h>
+#include <osl/diagnose.h>
+
+#include <comphelper/propertyvalue.hxx>
+#include <unotools/searchopt.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/lang/Locale.hpp>
+#include <svl/memberid.h>
+#include <i18nlangtag/languagetag.hxx>
+
+#include <unordered_set>
+
+using namespace utl;
+using namespace com::sun::star;
+using namespace com::sun::star::beans;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::util;
+
+constexpr OUString CFG_ROOT_NODE = u"Office.Common/SearchOptions"_ustr;
+
+#define SRCH_PARAMS         13
+constexpr OUString SRCH_PARA_OPTIONS = u"Options"_ustr;
+constexpr OUString SRCH_PARA_FAMILY = u"Family"_ustr;
+constexpr OUString SRCH_PARA_COMMAND = u"Command"_ustr;
+constexpr OUString SRCH_PARA_CELLTYPE = u"CellType"_ustr;
+constexpr OUString SRCH_PARA_APPFLAG = u"AppFlag"_ustr;
+constexpr OUString SRCH_PARA_ROWDIR = u"RowDirection"_ustr;
+constexpr OUString SRCH_PARA_ALLTABLES = u"AllTables"_ustr;
+constexpr OUString SRCH_PARA_SEARCHFILTERED = u"SearchFiltered"_ustr;
+constexpr OUString SRCH_PARA_SEARCHFORMATTED = u"SearchFormatted"_ustr;
+constexpr OUString SRCH_PARA_BACKWARD = u"Backward"_ustr;
+constexpr OUString SRCH_PARA_PATTERN = u"Pattern"_ustr;
+constexpr OUString SRCH_PARA_CONTENT = u"Content"_ustr;
+constexpr OUString SRCH_PARA_ASIANOPT = u"AsianOptions"_ustr;
+
+SfxPoolItem* SvxSearchItem::CreateDefault() { return new  SvxSearchItem(0);}
+
+
+static Sequence< OUString > lcl_GetNotifyNames()
+{
+    // names of transliteration relevant properties
+    static const char* aTranslitNames[] =
+    {
+        "IsMatchCase",                          //  0
+        "Japanese/IsMatchFullHalfWidthForms",   //  1
+        "Japanese/IsMatchHiraganaKatakana",     //  2
+        "Japanese/IsMatchContractions",         //  3
+        "Japanese/IsMatchMinusDashCho-on",      //  4
+        "Japanese/IsMatchRepeatCharMarks",      //  5
+        "Japanese/IsMatchVariantFormKanji",     //  6
+        "Japanese/IsMatchOldKanaForms",         //  7
+        "Japanese/IsMatch_DiZi_DuZu",           //  8
+        "Japanese/IsMatch_BaVa_HaFa",           //  9
+        "Japanese/IsMatch_TsiThiChi_DhiZi",     // 10
+        "Japanese/IsMatch_HyuIyu_ByuVyu",       // 11
+        "Japanese/IsMatch_SeShe_ZeJe",          // 12
+        "Japanese/IsMatch_IaIya",               // 13
+        "Japanese/IsMatch_KiKu",                // 14
+        "Japanese/IsIgnorePunctuation",         // 15
+        "Japanese/IsIgnoreWhitespace",          // 16
+        "Japanese/IsIgnoreProlongedSoundMark",  // 17
+        "Japanese/IsIgnoreMiddleDot",           // 18
+        "IsIgnoreDiacritics_CTL",               // 19
+        "IsIgnoreKashida_CTL"                   // 20
+    };
+
+    const int nCount = SAL_N_ELEMENTS( aTranslitNames );
+    Sequence< OUString > aNames( nCount );
+    OUString* pNames = aNames.getArray();
+    for (sal_Int32 i = 0;  i < nCount;  ++i)
+        pNames[i] = OUString::createFromAscii( aTranslitNames[i] );
+
+    return aNames;
+}
+
+
+SvxSearchItem::SvxSearchItem( const sal_uInt16 nId ) :
+
+    SfxPoolItem( nId ),
+    ConfigItem( CFG_ROOT_NODE ),
+
+    m_aSearchOpt      ( SearchFlags::LEV_RELAXED,
+                        OUString(),
+                        OUString(),
+                        lang::Locale(),
+                        2, 2, 2,
+                        TransliterationFlags::IGNORE_CASE,
+                        SearchAlgorithms2::ABSOLUTE, '\\' ),
+    m_eFamily         ( SfxStyleFamily::Para ),
+    m_nCommand        ( SvxSearchCmd::FIND ),
+    m_nCellType       ( SvxSearchCellType::FORMULA ),
+    m_nAppFlag        ( SvxSearchApp::WRITER ),
+    m_bRowDirection   ( true ),
+    m_bAllTables      ( false ),
+    m_bSearchFiltered ( false ),
+    m_bSearchFormatted( false ),
+    m_bNotes          ( false),
+    m_bBackward       ( false ),
+    m_bPattern        ( false ),
+    m_bContent        ( false ),
+    m_bAsianOptions   ( false ),
+    m_nStartPointX(0),
+    m_nStartPointY(0)
+{
+    EnableNotification( lcl_GetNotifyNames() );
+
+    SvtSearchOptions aOpt;
+
+    m_bBackward       = aOpt.IsBackwards();
+    m_bAsianOptions   = aOpt.IsUseAsianOptions();
+    m_bNotes = aOpt.IsNotes();
+
+    if (aOpt.IsUseWildcard())
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::WILDCARD;
+    }
+    if (aOpt.IsUseRegularExpression())
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::REGEXP;
+    }
+    if (aOpt.IsSimilaritySearch())
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::APPROXIMATE;
+    }
+    if (aOpt.IsWholeWordsOnly())
+        m_aSearchOpt.searchFlag |= SearchFlags::NORM_WORD_ONLY;
+
+    TransliterationFlags& rFlags = m_aSearchOpt.transliterateFlags;
+
+    if (!aOpt.IsMatchCase())
+        rFlags |= TransliterationFlags::IGNORE_CASE;
+    if ( aOpt.IsMatchFullHalfWidthForms())
+        rFlags |= TransliterationFlags::IGNORE_WIDTH;
+    if ( aOpt.IsIgnoreDiacritics_CTL())
+        rFlags |= TransliterationFlags::IGNORE_DIACRITICS_CTL ;
+    if ( aOpt.IsIgnoreKashida_CTL())
+        rFlags |= TransliterationFlags::IGNORE_KASHIDA_CTL ;
+    if ( !m_bAsianOptions )
+        return;
+
+    if ( aOpt.IsMatchHiraganaKatakana())
+        rFlags |= TransliterationFlags::IGNORE_KANA;
+    if ( aOpt.IsMatchContractions())
+        rFlags |= TransliterationFlags::ignoreSize_ja_JP;
+    if ( aOpt.IsMatchMinusDashChoon())
+        rFlags |= TransliterationFlags::ignoreMinusSign_ja_JP;
+    if ( aOpt.IsMatchRepeatCharMarks())
+        rFlags |= TransliterationFlags::ignoreIterationMark_ja_JP;
+    if ( aOpt.IsMatchVariantFormKanji())
+        rFlags |= TransliterationFlags::ignoreTraditionalKanji_ja_JP;
+    if ( aOpt.IsMatchOldKanaForms())
+        rFlags |= TransliterationFlags::ignoreTraditionalKana_ja_JP;
+    if ( aOpt.IsMatchDiziDuzu())
+        rFlags |= TransliterationFlags::ignoreZiZu_ja_JP;
+    if ( aOpt.IsMatchBavaHafa())
+        rFlags |= TransliterationFlags::ignoreBaFa_ja_JP;
+    if ( aOpt.IsMatchTsithichiDhizi())
+        rFlags |= TransliterationFlags::ignoreTiJi_ja_JP;
+    if ( aOpt.IsMatchHyuiyuByuvyu())
+        rFlags |= TransliterationFlags::ignoreHyuByu_ja_JP;
+    if ( aOpt.IsMatchSesheZeje())
+        rFlags |= TransliterationFlags::ignoreSeZe_ja_JP;
+    if ( aOpt.IsMatchIaiya())
+        rFlags |= TransliterationFlags::ignoreIandEfollowedByYa_ja_JP;
+    if ( aOpt.IsMatchKiku())
+        rFlags |= TransliterationFlags::ignoreKiKuFollowedBySa_ja_JP;
+    if ( aOpt.IsIgnorePunctuation())
+        rFlags |= TransliterationFlags::ignoreSeparator_ja_JP;
+    if ( aOpt.IsIgnoreWhitespace())
+        rFlags |= TransliterationFlags::ignoreSpace_ja_JP;
+    if ( aOpt.IsIgnoreProlongedSoundMark())
+        rFlags |= TransliterationFlags::ignoreProlongedSoundMark_ja_JP;
+    if ( aOpt.IsIgnoreMiddleDot())
+        rFlags |= TransliterationFlags::ignoreMiddleDot_ja_JP;
+}
+
+
+SvxSearchItem::SvxSearchItem( const SvxSearchItem& rItem ) :
+
+    SfxPoolItem ( rItem ),
+    ConfigItem( CFG_ROOT_NODE ),
+
+    m_aSearchOpt      ( rItem.m_aSearchOpt ),
+    m_eFamily         ( rItem.m_eFamily ),
+    m_nCommand        ( rItem.m_nCommand ),
+    m_nCellType       ( rItem.m_nCellType ),
+    m_nAppFlag        ( rItem.m_nAppFlag ),
+    m_bRowDirection   ( rItem.m_bRowDirection ),
+    m_bAllTables      ( rItem.m_bAllTables ),
+    m_bSearchFiltered   ( rItem.m_bSearchFiltered ),
+    m_bSearchFormatted  ( rItem.m_bSearchFormatted ),
+    m_bNotes          ( rItem.m_bNotes),
+    m_bBackward       ( rItem.m_bBackward ),
+    m_bPattern        ( rItem.m_bPattern ),
+    m_bContent        ( rItem.m_bContent ),
+    m_bAsianOptions   ( rItem.m_bAsianOptions ),
+    m_nStartPointX(rItem.m_nStartPointX),
+    m_nStartPointY(rItem.m_nStartPointY)
+{
+    EnableNotification( lcl_GetNotifyNames() );
+}
+
+SvxSearchItem::~SvxSearchItem()
+{
+}
+
+SvxSearchItem* SvxSearchItem::Clone( SfxItemPool *) const
+{
+    return new SvxSearchItem(*this);
+}
+
+//! used below
+static bool equalsWithoutLocaleOrReplace(const i18nutil::SearchOptions2& rItem1,
+                                         const i18nutil::SearchOptions2& rItem2)
+{
+    return rItem1.searchFlag            == rItem2.searchFlag    &&
+           rItem1.searchString          == rItem2.searchString  &&
+           //rItem1.replaceString       == rItem2.replaceString &&
+           //rItem1.Locale              == rItem2.Locale        &&
+           rItem1.changedChars          == rItem2.changedChars  &&
+           rItem1.deletedChars          == rItem2.deletedChars  &&
+           rItem1.insertedChars         == rItem2.insertedChars &&
+           rItem1.transliterateFlags    == rItem2.transliterateFlags &&
+           rItem1.AlgorithmType2        == rItem2.AlgorithmType2 &&
+           rItem1.WildcardEscapeCharacter == rItem2.WildcardEscapeCharacter;
+}
+
+
+bool SvxSearchItem::operator==( const SfxPoolItem& rItem ) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    const SvxSearchItem &rSItem = static_cast<const SvxSearchItem &>(rItem);
+    return equalsIgnoring(rSItem, /*bIgnoreReplace=*/false, /*bIgnoreCommand=*/false);
+}
+
+bool SvxSearchItem::equalsIgnoring(const SvxSearchItem& rSItem, bool bIgnoreReplace,
+                                   bool bIgnoreCommand) const
+{
+    if (!bIgnoreReplace && m_aSearchOpt.replaceString != rSItem.m_aSearchOpt.replaceString)
+        return false;
+    if (!bIgnoreCommand && m_nCommand != rSItem.m_nCommand)
+        return false;
+
+    return ( m_bBackward      == rSItem.m_bBackward )       &&
+           ( m_bPattern       == rSItem.m_bPattern )        &&
+           ( m_bContent       == rSItem.m_bContent )        &&
+           ( m_eFamily        == rSItem.m_eFamily )         &&
+           ( m_bRowDirection  == rSItem.m_bRowDirection )   &&
+           ( m_bAllTables     == rSItem.m_bAllTables )      &&
+           ( m_bSearchFiltered  == rSItem.m_bSearchFiltered )   &&
+           ( m_bSearchFormatted == rSItem.m_bSearchFormatted )  &&
+           ( m_nCellType      == rSItem.m_nCellType )       &&
+           ( m_nAppFlag       == rSItem.m_nAppFlag )        &&
+           ( m_bAsianOptions  == rSItem.m_bAsianOptions )   &&
+           ( equalsWithoutLocaleOrReplace(m_aSearchOpt, rSItem.m_aSearchOpt )) &&
+           ( m_bNotes         == rSItem.m_bNotes );
+}
+
+
+bool SvxSearchItem::GetPresentation
+(
+    SfxItemPresentation ,
+    MapUnit             ,
+    MapUnit             ,
+    OUString&           ,
+    const IntlWrapper&
+)   const
+{
+    return false;
+}
+
+void SvxSearchItem::Notify( const Sequence< OUString > & )
+{
+    // applies transliteration changes in the configuration database
+    // to the current SvxSearchItem
+    SetTransliterationFlags( SvtSearchOptions().GetTransliterationFlags() );
+}
+
+void SvxSearchItem::ImplCommit()
+{
+}
+
+void SvxSearchItem::SetMatchFullHalfWidthForms( bool bVal )
+{
+    if (bVal)
+        m_aSearchOpt.transliterateFlags |=  TransliterationFlags::IGNORE_WIDTH;
+    else
+        m_aSearchOpt.transliterateFlags &= ~TransliterationFlags::IGNORE_WIDTH;
+}
+
+
+void SvxSearchItem::SetWordOnly( bool bVal )
+{
+    if (bVal)
+        m_aSearchOpt.searchFlag |=  SearchFlags::NORM_WORD_ONLY;
+    else
+        m_aSearchOpt.searchFlag &= ~SearchFlags::NORM_WORD_ONLY;
+}
+
+
+void SvxSearchItem::SetExact( bool bVal )
+{
+    if (!bVal)
+        m_aSearchOpt.transliterateFlags |= TransliterationFlags::IGNORE_CASE;
+    else
+        m_aSearchOpt.transliterateFlags &= ~TransliterationFlags::IGNORE_CASE;
+}
+
+
+void SvxSearchItem::SetSelection( bool bVal )
+{
+    if (bVal)
+    {
+        m_aSearchOpt.searchFlag |=  (SearchFlags::REG_NOT_BEGINOFLINE |
+                                   SearchFlags::REG_NOT_ENDOFLINE);
+    }
+    else
+    {
+        m_aSearchOpt.searchFlag &= ~(SearchFlags::REG_NOT_BEGINOFLINE |
+                                   SearchFlags::REG_NOT_ENDOFLINE);
+    }
+}
+
+
+void SvxSearchItem::SetRegExp( bool bVal )
+{
+    if ( bVal )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::REGEXP;
+    }
+    else if ( SearchAlgorithms2::REGEXP == m_aSearchOpt.AlgorithmType2 )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::ABSOLUTE;
+    }
+}
+
+
+void SvxSearchItem::SetWildcard( bool bVal )
+{
+    if ( bVal )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::WILDCARD;
+    }
+    else if ( SearchAlgorithms2::REGEXP == m_aSearchOpt.AlgorithmType2 )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::ABSOLUTE;
+    }
+}
+
+
+void SvxSearchItem::SetLEVRelaxed( bool bVal )
+{
+    if (bVal)
+        m_aSearchOpt.searchFlag |=  SearchFlags::LEV_RELAXED;
+    else
+        m_aSearchOpt.searchFlag &= ~SearchFlags::LEV_RELAXED;
+}
+
+
+void SvxSearchItem::SetLevenshtein( bool bVal )
+{
+    if ( bVal )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::APPROXIMATE;
+    }
+    else if ( SearchAlgorithms2::APPROXIMATE == m_aSearchOpt.AlgorithmType2 )
+    {
+        m_aSearchOpt.AlgorithmType2 = SearchAlgorithms2::ABSOLUTE;
+    }
+}
+
+
+void SvxSearchItem::SetTransliterationFlags( TransliterationFlags nFlags )
+{
+    m_aSearchOpt.transliterateFlags = nFlags;
+}
+
+bool SvxSearchItem::QueryValue( css::uno::Any& rVal, sal_uInt8 nMemberId ) const
+{
+    nMemberId &= ~CONVERT_TWIPS;
+    switch ( nMemberId )
+    {
+        case 0 :
+        {
+            Sequence<PropertyValue> aSeq{
+                comphelper::makePropertyValue(SRCH_PARA_OPTIONS,
+                                              m_aSearchOpt.toUnoSearchOptions2()),
+                comphelper::makePropertyValue(SRCH_PARA_FAMILY, sal_Int16(m_eFamily)),
+                comphelper::makePropertyValue(SRCH_PARA_COMMAND,
+                                              static_cast<sal_uInt16>(m_nCommand)),
+                comphelper::makePropertyValue(SRCH_PARA_CELLTYPE,
+                                              static_cast<sal_uInt16>(m_nCellType)),
+                comphelper::makePropertyValue(SRCH_PARA_APPFLAG,
+                                              static_cast<sal_uInt16>(m_nAppFlag)),
+                comphelper::makePropertyValue(SRCH_PARA_ROWDIR, m_bRowDirection),
+                comphelper::makePropertyValue(SRCH_PARA_ALLTABLES, m_bAllTables),
+                comphelper::makePropertyValue(SRCH_PARA_SEARCHFILTERED, m_bSearchFiltered),
+                comphelper::makePropertyValue(SRCH_PARA_SEARCHFORMATTED, m_bSearchFormatted),
+                comphelper::makePropertyValue(SRCH_PARA_BACKWARD, m_bBackward),
+                comphelper::makePropertyValue(SRCH_PARA_PATTERN, m_bPattern),
+                comphelper::makePropertyValue(SRCH_PARA_CONTENT, m_bContent),
+                comphelper::makePropertyValue(SRCH_PARA_ASIANOPT, m_bAsianOptions)
+            };
+            assert(aSeq.getLength() == SRCH_PARAMS);
+            rVal <<= aSeq;
+        }
+        break;
+        case MID_SEARCH_COMMAND:
+            rVal <<= static_cast<sal_Int16>(m_nCommand); break;
+        case MID_SEARCH_STYLEFAMILY:
+            rVal <<= static_cast<sal_Int16>(m_eFamily); break;
+        case MID_SEARCH_CELLTYPE:
+            rVal <<= static_cast<sal_Int32>(m_nCellType); break;
+        case MID_SEARCH_ROWDIRECTION:
+            rVal <<= m_bRowDirection; break;
+        case MID_SEARCH_ALLTABLES:
+            rVal <<= m_bAllTables; break;
+        case MID_SEARCH_SEARCHFILTERED:
+            rVal <<= m_bSearchFiltered; break;
+        case MID_SEARCH_SEARCHFORMATTED:
+            rVal <<= m_bSearchFormatted; break;
+        case MID_SEARCH_BACKWARD:
+            rVal <<= m_bBackward; break;
+        case MID_SEARCH_PATTERN:
+            rVal <<= m_bPattern; break;
+        case MID_SEARCH_CONTENT:
+            rVal <<= m_bContent; break;
+        case MID_SEARCH_ASIANOPTIONS:
+            rVal <<= m_bAsianOptions; break;
+        case MID_SEARCH_ALGORITHMTYPE:
+            rVal <<= static_cast<sal_Int16>(i18nutil::downgradeSearchAlgorithms2(m_aSearchOpt.AlgorithmType2)); break;
+        case MID_SEARCH_ALGORITHMTYPE2:
+            rVal <<= m_aSearchOpt.AlgorithmType2; break;
+        case MID_SEARCH_FLAGS:
+            rVal <<= m_aSearchOpt.searchFlag; break;
+        case MID_SEARCH_SEARCHSTRING:
+            rVal <<= m_aSearchOpt.searchString; break;
+        case MID_SEARCH_REPLACESTRING:
+            rVal <<= m_aSearchOpt.replaceString; break;
+        case MID_SEARCH_CHANGEDCHARS:
+            rVal <<= m_aSearchOpt.changedChars; break;
+        case MID_SEARCH_DELETEDCHARS:
+            rVal <<= m_aSearchOpt.deletedChars; break;
+        case MID_SEARCH_INSERTEDCHARS:
+            rVal <<= m_aSearchOpt.insertedChars; break;
+        case MID_SEARCH_TRANSLITERATEFLAGS:
+            rVal <<= static_cast<sal_Int32>(m_aSearchOpt.transliterateFlags); break;
+        case MID_SEARCH_LOCALE:
+        {
+            LanguageType nLocale;
+            if (!m_aSearchOpt.Locale.Language.isEmpty() || !m_aSearchOpt.Locale.Country.isEmpty() )
+                nLocale = LanguageTag::convertToLanguageType( m_aSearchOpt.Locale );
+            else
+                nLocale = LANGUAGE_NONE;
+            rVal <<= static_cast<sal_Int16>(static_cast<sal_uInt16>(nLocale));
+            break;
+        }
+
+        default:
+            SAL_WARN( "svl.items", "SvxSearchItem::QueryValue(): Unknown MemberId" );
+            return false;
+    }
+
+    return true;
+}
+
+
+bool SvxSearchItem::PutValue( const css::uno::Any& rVal, sal_uInt8 nMemberId )
+{
+    nMemberId &= ~CONVERT_TWIPS;
+    auto ExtractNumericAny = [](const css::uno::Any& a, auto& target)
+    {
+        sal_Int32 nInt;
+        if (!(a >>= nInt))
+            return false;
+        target = static_cast<std::remove_reference_t<decltype(target)>>(nInt);
+        return true;
+    };
+    switch ( nMemberId )
+    {
+        case 0 :
+        {
+            Sequence< PropertyValue > aSeq;
+            if (!(rVal >>= aSeq) || aSeq.getLength() != SRCH_PARAMS)
+                break;
+            std::unordered_set<OUString> aConvertedParams;
+            for (const auto& rProp : aSeq)
+            {
+                if (rProp.Name == SRCH_PARA_OPTIONS)
+                {
+                    if (css::util::SearchOptions2 nTmpSearchOpt2; rProp.Value >>= nTmpSearchOpt2)
+                    {
+                        m_aSearchOpt = nTmpSearchOpt2;
+                        aConvertedParams.insert(rProp.Name);
+                    }
+                }
+                else if (rProp.Name == SRCH_PARA_FAMILY)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_STYLEFAMILY))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_COMMAND)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_COMMAND))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_CELLTYPE)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_CELLTYPE))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_APPFLAG)
+                {
+                    if (ExtractNumericAny(rProp.Value, m_nAppFlag))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_ROWDIR)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_ROWDIRECTION))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_ALLTABLES)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_ALLTABLES))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_SEARCHFILTERED)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_SEARCHFILTERED))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_SEARCHFORMATTED)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_SEARCHFORMATTED))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_BACKWARD)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_BACKWARD))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_PATTERN)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_PATTERN))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_CONTENT)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_CONTENT))
+                        aConvertedParams.insert(rProp.Name);
+                }
+                else if (rProp.Name == SRCH_PARA_ASIANOPT)
+                {
+                    if (SvxSearchItem::PutValue(rProp.Value, MID_SEARCH_ASIANOPTIONS))
+                        aConvertedParams.insert(rProp.Name);
+                }
+            }
+            return aConvertedParams.size() == SRCH_PARAMS;
+        }
+        case MID_SEARCH_COMMAND:
+            return ExtractNumericAny(rVal, m_nCommand);
+        case MID_SEARCH_STYLEFAMILY:
+            return ExtractNumericAny(rVal, m_eFamily);
+        case MID_SEARCH_CELLTYPE:
+            return ExtractNumericAny(rVal, m_nCellType);
+        case MID_SEARCH_ROWDIRECTION:
+            return (rVal >>= m_bRowDirection);
+        case MID_SEARCH_ALLTABLES:
+            return (rVal >>= m_bAllTables);
+        case MID_SEARCH_SEARCHFILTERED:
+            return (rVal >>= m_bSearchFiltered);
+        case MID_SEARCH_SEARCHFORMATTED:
+            return (rVal >>= m_bSearchFormatted);
+        case MID_SEARCH_BACKWARD:
+            return (rVal >>= m_bBackward);
+        case MID_SEARCH_PATTERN:
+            return (rVal >>= m_bPattern);
+        case MID_SEARCH_CONTENT:
+            return (rVal >>= m_bContent);
+        case MID_SEARCH_ASIANOPTIONS:
+            return (rVal >>= m_bAsianOptions);
+        case MID_SEARCH_ALGORITHMTYPE:
+            if (SearchAlgorithms eVal; ExtractNumericAny(rVal, eVal))
+            {
+                m_aSearchOpt.AlgorithmType2 = i18nutil::upgradeSearchAlgorithms(eVal);
+                return true;
+            }
+            break;
+        case MID_SEARCH_ALGORITHMTYPE2:
+            return (rVal >>= m_aSearchOpt.AlgorithmType2);
+        case MID_SEARCH_FLAGS:
+            return (rVal >>= m_aSearchOpt.searchFlag);
+        case MID_SEARCH_SEARCHSTRING:
+            return (rVal >>= m_aSearchOpt.searchString);
+        case MID_SEARCH_REPLACESTRING:
+            return (rVal >>= m_aSearchOpt.replaceString);
+        case MID_SEARCH_CHANGEDCHARS:
+            return (rVal >>= m_aSearchOpt.changedChars);
+        case MID_SEARCH_DELETEDCHARS:
+            return (rVal >>= m_aSearchOpt.deletedChars);
+        case MID_SEARCH_INSERTEDCHARS:
+            return (rVal >>= m_aSearchOpt.insertedChars);
+        case MID_SEARCH_TRANSLITERATEFLAGS:
+            return ExtractNumericAny(rVal, m_aSearchOpt.transliterateFlags);
+        case MID_SEARCH_LOCALE:
+            if (LanguageType aVal; ExtractNumericAny(rVal, aVal))
+            {
+                m_aSearchOpt.Locale = (aVal == LANGUAGE_NONE) ? css::lang::Locale()
+                                                              : LanguageTag::convertToLocale(aVal);
+                return true;
+            }
+            break;
+        case MID_SEARCH_STARTPOINTX:
+            return (rVal >>= m_nStartPointX);
+        case MID_SEARCH_STARTPOINTY:
+            return (rVal >>= m_nStartPointY);
+        default:
+            OSL_FAIL( "Unknown MemberId" );
+    }
+
+    return false;
+}
+
+sal_Int32 SvxSearchItem::GetStartPointX() const
+{
+    return m_nStartPointX;
+}
+
+sal_Int32 SvxSearchItem::GetStartPointY() const
+{
+    return m_nStartPointY;
+}
+
+bool SvxSearchItem::HasStartPoint() const
+{
+    return m_nStartPointX > 0 || m_nStartPointY > 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/stringio.cxx b/svl/source/items/stringio.cxx
new file mode 100644
index 0000000000..5345e165aa
--- /dev/null
+++ b/svl/source/items/stringio.cxx
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <stringio.hxx>
+
+#include <tools/stream.hxx>
+
+OUString readByteString(SvStream& rStream)
+{
+    return rStream.ReadUniOrByteString(rStream.GetStreamCharSet());
+}
+
+void writeByteString(SvStream& rStream, std::u16string_view rString)
+{
+    rStream.WriteUniOrByteString(rString, rStream.GetStreamCharSet());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/stritem.cxx b/svl/source/items/stritem.cxx
new file mode 100644
index 0000000000..c0ec01a9ab
--- /dev/null
+++ b/svl/source/items/stritem.cxx
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/stritem.hxx>
+#include <libxml/xmlwriter.h>
+
+// virtual
+SfxStringItem* SfxStringItem::Clone(SfxItemPool *) const
+{
+    return new SfxStringItem(*this);
+}
+
+void SfxStringItem::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxStringItem"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"), BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("value"), BAD_CAST(GetValue().toUtf8().getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+SfxPoolItem* SfxStringItem::CreateDefault()
+{
+    return new SfxStringItem();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/style.cxx b/svl/source/items/style.cxx
new file mode 100644
index 0000000000..41551e5064
--- /dev/null
+++ b/svl/source/items/style.cxx
@@ -0,0 +1,905 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <memory>
+#include <svl/style.hxx>
+
+#include <com/sun/star/lang/XComponent.hpp>
+
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+#include <unotools/intlwrapper.hxx>
+#include <svl/hint.hxx>
+#include <svl/poolitem.hxx>
+#include <svl/itemset.hxx>
+#include <svl/itempool.hxx>
+#include <svl/IndexedStyleSheets.hxx>
+#include <svl/itemiter.hxx>
+#include <unotools/syslocale.hxx>
+#include <comphelper/servicehelper.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <utility>
+
+#ifdef DBG_UTIL
+namespace {
+
+class DbgStyleSheetReferences
+{
+public:
+    DbgStyleSheetReferences() : mnStyles(0), mnPools(0) {}
+    ~DbgStyleSheetReferences()
+    {
+        SAL_WARN_IF(
+            mnStyles != 0 || mnPools != 0, "svl.items",
+            "SfxStyleSheetBase left " << mnStyles
+                << "; SfxStyleSheetBasePool left " << mnPools);
+    }
+
+    sal_uInt32 mnStyles;
+    sal_uInt32 mnPools;
+};
+
+}
+
+static DbgStyleSheetReferences aDbgStyleSheetReferences;
+#endif
+
+
+SfxStyleSheetModifiedHint::SfxStyleSheetModifiedHint
+(
+    OUString            aOldName,
+    SfxStyleSheetBase&  rStyleSheet     // Remains with the caller
+)
+:   SfxStyleSheetHint( SfxHintId::StyleSheetModified, rStyleSheet ),
+    aName(std::move( aOldName ))
+{}
+
+
+SfxStyleSheetHint::SfxStyleSheetHint
+(
+    SfxHintId           nAction,
+    SfxStyleSheetBase&  rStyleSheet     // Remains with the caller
+)
+:   SfxHint(nAction), pStyleSh( &rStyleSheet )
+{}
+
+
+class SfxStyleSheetBasePool_Impl
+{
+private:
+    SfxStyleSheetBasePool_Impl(const SfxStyleSheetBasePool_Impl&) = delete;
+    SfxStyleSheetBasePool_Impl& operator=(const SfxStyleSheetBasePool_Impl&) = delete;
+public:
+    std::shared_ptr<SfxStyleSheetIterator> pIter;
+
+    /** This member holds the indexed style sheets.
+     *
+     * @internal
+     * This member is private and not protected in order to have more control which style sheets are added
+     * where. Ideally, all calls which add/remove/change style sheets are done in the base class.
+     */
+    std::shared_ptr<svl::IndexedStyleSheets> mxIndexedStyleSheets;
+
+    SfxStyleSheetBasePool_Impl() :
+        mxIndexedStyleSheets(std::make_shared<svl::IndexedStyleSheets>()) {}
+};
+
+
+SfxStyleSheetBase::SfxStyleSheetBase( const OUString& rName, SfxStyleSheetBasePool* p, SfxStyleFamily eFam, SfxStyleSearchBits mask )
+    : m_pPool( p )
+    , nFamily( eFam )
+    , aName( rName )
+    , aFollow( rName )
+    , pSet( nullptr )
+    , nMask(mask)
+    , nHelpId( 0 )
+    , bMySet( false )
+    , bHidden( false )
+{
+#ifdef DBG_UTIL
+    aDbgStyleSheetReferences.mnStyles++;
+#endif
+}
+
+SfxStyleSheetBase::SfxStyleSheetBase( const SfxStyleSheetBase& r )
+    : WeakImplHelper()
+    , m_pPool( r.m_pPool )
+    , nFamily( r.nFamily )
+    , aName( r.aName )
+    , aParent( r.aParent )
+    , aFollow( r.aFollow )
+    , aHelpFile( r.aHelpFile )
+    , nMask( r.nMask )
+    , nHelpId( r.nHelpId )
+    , bMySet( r.bMySet )
+    , bHidden( r.bHidden )
+{
+#ifdef DBG_UTIL
+    aDbgStyleSheetReferences.mnStyles++;
+#endif
+    if( r.pSet )
+        pSet = bMySet ? new SfxItemSet( *r.pSet ) : r.pSet;
+    else
+        pSet = nullptr;
+}
+
+SfxStyleSheetBase::~SfxStyleSheetBase()
+{
+#ifdef DBG_UTIL
+    --aDbgStyleSheetReferences.mnStyles;
+#endif
+
+    if( bMySet )
+    {
+        delete pSet;
+        pSet = nullptr;
+    }
+}
+
+// Change name
+const OUString& SfxStyleSheetBase::GetName() const
+{
+    return aName;
+}
+
+bool SfxStyleSheetBase::SetName(const OUString& rName, bool bReIndexNow)
+{
+    if(rName.isEmpty())
+        return false;
+
+    if( aName != rName )
+    {
+        OUString aOldName = aName;
+        SfxStyleSheetBase *pOther = m_pPool->Find( rName, nFamily ) ;
+        if ( pOther && pOther != this )
+            return false;
+
+        if ( !aName.isEmpty() )
+            m_pPool->ChangeParent(aName, rName, nFamily, false);
+
+        if ( aFollow == aName )
+            aFollow = rName;
+        aName = rName;
+        if (bReIndexNow)
+            m_pPool->Reindex();
+
+        m_pPool->Broadcast( SfxStyleSheetModifiedHint( aOldName, *this ) );
+    }
+    return true;
+}
+
+// Change Parent
+const OUString& SfxStyleSheetBase::GetParent() const
+{
+    return aParent;
+}
+
+bool SfxStyleSheetBase::SetParent( const OUString& rName )
+{
+    if ( rName == aName )
+        return false;
+
+    if( aParent != rName )
+    {
+        SfxStyleSheetBase* pIter = m_pPool->Find(rName, nFamily);
+        if( !rName.isEmpty() && !pIter )
+        {
+            OSL_FAIL( "StyleSheet-Parent not found" );
+            return false;
+        }
+        // prevent recursive linkages
+        if( !aName.isEmpty() )
+        {
+            while(pIter)
+            {
+                if(pIter->GetName() == aName)
+                    return false;
+                pIter = m_pPool->Find(pIter->GetParent(), nFamily);
+            }
+        }
+        aParent = rName;
+    }
+    m_pPool->Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetModified, *this ) );
+    return true;
+}
+
+void SfxStyleSheetBase::SetHidden( bool hidden )
+{
+    bHidden = hidden;
+    m_pPool->Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetModified, *this ) );
+}
+
+/**
+ * Change follow
+ */
+const OUString& SfxStyleSheetBase::GetFollow() const
+{
+    return aFollow;
+}
+
+bool SfxStyleSheetBase::SetFollow( const OUString& rName )
+{
+    if( aFollow != rName )
+    {
+        if( !m_pPool->Find( rName, nFamily ) )
+        {
+            SAL_WARN( "svl.items", "StyleSheet-Follow not found" );
+            return false;
+        }
+        aFollow = rName;
+    }
+    m_pPool->Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetModified, *this ) );
+    return true;
+}
+
+/**
+ * Set Itemset
+ * The default implementation creates a new set
+ */
+SfxItemSet& SfxStyleSheetBase::GetItemSet()
+{
+    if( !pSet )
+    {
+        pSet = new SfxItemSet( m_pPool->GetPool() );
+        bMySet = true;
+    }
+    return *pSet;
+}
+
+std::optional<SfxItemSet> SfxStyleSheetBase::GetItemSetForPreview()
+{
+    return GetItemSet();
+}
+
+/**
+ * Set help file and ID and return it
+ */
+sal_uLong SfxStyleSheetBase::GetHelpId( OUString& rFile )
+{
+    rFile = aHelpFile;
+    return nHelpId;
+}
+
+void SfxStyleSheetBase::SetHelpId( const OUString& rFile, sal_uLong nId )
+{
+    aHelpFile = rFile;
+    nHelpId = nId;
+}
+
+/**
+ * Next style possible?
+ * Default: Yes
+ */
+bool SfxStyleSheetBase::HasFollowSupport() const
+{
+    return true;
+}
+
+/**
+ * Base template possible?
+ * Default: Yes
+ */
+bool SfxStyleSheetBase::HasParentSupport() const
+{
+    return true;
+}
+
+/**
+ * Setting base template to NULL possible?
+ * Default: No
+ */
+bool SfxStyleSheetBase::HasClearParentSupport() const
+{
+    return false;
+}
+
+/**
+ * By default all stylesheets are set to used
+ */
+bool SfxStyleSheetBase::IsUsed() const
+{
+    return true;
+}
+
+/**
+ * Return set attributes
+ */
+OUString SfxStyleSheetBase::GetDescription( MapUnit eMetric )
+{
+    SfxItemIter aIter( GetItemSet() );
+    OUStringBuffer aDesc;
+
+    IntlWrapper aIntlWrapper(SvtSysLocale().GetUILanguageTag());
+    for (const SfxPoolItem* pItem = aIter.GetCurItem(); pItem; pItem = aIter.NextItem())
+    {
+        OUString aItemPresentation;
+
+        if ( !IsInvalidItem( pItem ) &&
+             m_pPool->GetPool().GetPresentation(
+                *pItem, eMetric, aItemPresentation, aIntlWrapper ) )
+        {
+            if ( !aDesc.isEmpty() && !aItemPresentation.isEmpty() )
+                aDesc.append(" + ");
+            if ( !aItemPresentation.isEmpty() )
+                aDesc.append(aItemPresentation);
+        }
+    }
+    return aDesc.makeStringAndClear();
+}
+
+SfxStyleFamily SfxStyleSheetIterator::GetSearchFamily() const
+{
+    return nSearchFamily;
+}
+
+inline bool SfxStyleSheetIterator::IsTrivialSearch() const
+{
+    return (( nMask & SfxStyleSearchBits::AllVisible ) == SfxStyleSearchBits::AllVisible) &&
+        (GetSearchFamily() == SfxStyleFamily::All);
+}
+
+namespace {
+
+struct DoesStyleMatchStyleSheetPredicate final : public svl::StyleSheetPredicate
+{
+    explicit DoesStyleMatchStyleSheetPredicate(SfxStyleSheetIterator *it)
+            : mIterator(it) {}
+
+    bool
+    Check(const SfxStyleSheetBase& styleSheet) override
+    {
+        bool bMatchFamily = ((mIterator->GetSearchFamily() == SfxStyleFamily::All) ||
+                ( styleSheet.GetFamily() == mIterator->GetSearchFamily() ));
+
+        bool bUsed = mIterator->SearchUsed() && styleSheet.IsUsed( );
+
+        bool bSearchHidden( mIterator->GetSearchMask() & SfxStyleSearchBits::Hidden );
+        bool bMatchVisibility = bSearchHidden || !styleSheet.IsHidden() || bUsed;
+        bool bOnlyHidden = mIterator->GetSearchMask( ) == SfxStyleSearchBits::Hidden && styleSheet.IsHidden( );
+
+        bool bMatches = bMatchFamily && bMatchVisibility
+            && (( styleSheet.GetMask() & ( mIterator->GetSearchMask() & ~SfxStyleSearchBits::Used )) ||
+                bUsed || bOnlyHidden ||
+                ( mIterator->GetSearchMask() & SfxStyleSearchBits::AllVisible ) == SfxStyleSearchBits::AllVisible );
+        return bMatches;
+    }
+
+    SfxStyleSheetIterator *mIterator;
+};
+
+}
+
+SfxStyleSheetIterator::SfxStyleSheetIterator(const SfxStyleSheetBasePool *pBase,
+                                             SfxStyleFamily eFam, SfxStyleSearchBits n)
+    : pBasePool(pBase)
+    , pCurrentStyle(nullptr)
+    , mnCurrentPosition(0)
+{
+    nSearchFamily=eFam;
+    bSearchUsed=false;
+    if( (( n & SfxStyleSearchBits::AllVisible ) != SfxStyleSearchBits::AllVisible )
+        && ((n & SfxStyleSearchBits::Used) == SfxStyleSearchBits::Used))
+    {
+        bSearchUsed = true;
+        n &= ~SfxStyleSearchBits::Used;
+    }
+    nMask=n;
+}
+
+SfxStyleSheetIterator::~SfxStyleSheetIterator()
+{
+}
+
+sal_Int32 SfxStyleSheetIterator::Count()
+{
+    sal_Int32 n = 0;
+    if( IsTrivialSearch())
+    {
+        n = static_cast<sal_uInt16>(pBasePool->pImpl->mxIndexedStyleSheets->GetNumberOfStyleSheets());
+    }
+    else if(nMask == SfxStyleSearchBits::All)
+    {
+        n = static_cast<sal_uInt16>(pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetPositionsByFamily(nSearchFamily).size());
+    }
+    else
+    {
+        DoesStyleMatchStyleSheetPredicate predicate(this);
+        n = pBasePool->pImpl->mxIndexedStyleSheets->GetNumberOfStyleSheetsWithPredicate(predicate);
+    }
+    return n;
+}
+
+SfxStyleSheetBase* SfxStyleSheetIterator::operator[](sal_Int32 nIdx)
+{
+    SfxStyleSheetBase* retval = nullptr;
+    if( IsTrivialSearch())
+    {
+        retval = pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(nIdx);
+        mnCurrentPosition = nIdx;
+    }
+    else if(nMask == SfxStyleSearchBits::All)
+    {
+        rtl::Reference< SfxStyleSheetBase > ref =
+        pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(
+                pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetPositionsByFamily(nSearchFamily).at(nIdx))
+                ;
+        retval = ref.get();
+        mnCurrentPosition = nIdx;
+    }
+    else
+    {
+        DoesStyleMatchStyleSheetPredicate predicate(this);
+        rtl::Reference< SfxStyleSheetBase > ref =
+                pBasePool->pImpl->mxIndexedStyleSheets->GetNthStyleSheetThatMatchesPredicate(nIdx, predicate);
+        if (ref)
+        {
+            mnCurrentPosition = pBasePool->pImpl->mxIndexedStyleSheets->FindStyleSheetPosition(*ref);
+            retval = ref.get();
+        }
+    }
+
+    if (retval == nullptr)
+    {
+        OSL_FAIL("Incorrect index");
+    }
+
+    return retval;
+}
+
+SfxStyleSheetBase* SfxStyleSheetIterator::First()
+{
+    if (Count() != 0) {
+        return operator[](0);
+    }
+    else {
+        return nullptr;
+    }
+}
+
+SfxStyleSheetBase* SfxStyleSheetIterator::Next()
+{
+    SfxStyleSheetBase* retval = nullptr;
+
+    if ( IsTrivialSearch() )
+    {
+        sal_Int32 nStyleSheets = pBasePool->pImpl->mxIndexedStyleSheets->GetNumberOfStyleSheets();
+        sal_Int32 newPosition = mnCurrentPosition + 1;
+        if (nStyleSheets > newPosition)
+        {
+            mnCurrentPosition = newPosition;
+            retval = pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(mnCurrentPosition);
+        }
+    }
+    else if(nMask == SfxStyleSearchBits::All)
+    {
+        sal_Int32 newPosition = mnCurrentPosition + 1;
+        const std::vector<sal_Int32>& familyVector
+            =
+            pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetPositionsByFamily(nSearchFamily);
+        if (static_cast<sal_Int32>(familyVector.size()) > newPosition)
+        {
+            mnCurrentPosition = newPosition;
+            sal_Int32 stylePosition = familyVector[newPosition];
+            retval = pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(stylePosition);
+        }
+    }
+    else
+    {
+        DoesStyleMatchStyleSheetPredicate predicate(this);
+        rtl::Reference< SfxStyleSheetBase > ref =
+                pBasePool->pImpl->mxIndexedStyleSheets->GetNthStyleSheetThatMatchesPredicate(
+                        0, predicate, mnCurrentPosition+1);
+        retval = ref.get();
+        if (retval != nullptr) {
+            mnCurrentPosition = pBasePool->pImpl->mxIndexedStyleSheets->FindStyleSheetPosition(*ref);
+        }
+    }
+    pCurrentStyle = retval;
+    return retval;
+}
+
+SfxStyleSheetBase* SfxStyleSheetIterator::Find(const OUString& rStr)
+{
+    DoesStyleMatchStyleSheetPredicate predicate(this);
+
+    std::vector<sal_Int32> positions =
+            pBasePool->pImpl->mxIndexedStyleSheets->FindPositionsByNameAndPredicate(rStr, predicate,
+                    svl::IndexedStyleSheets::SearchBehavior::ReturnFirst);
+    if (positions.empty()) {
+        return nullptr;
+    }
+
+    sal_Int32 pos = positions.front();
+    SfxStyleSheetBase* pStyle = pBasePool->pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(pos);
+    mnCurrentPosition = pos;
+    pCurrentStyle = pStyle;
+    return pCurrentStyle;
+}
+
+SfxStyleSearchBits SfxStyleSheetIterator::GetSearchMask() const
+{
+    SfxStyleSearchBits mask = nMask;
+
+    if ( bSearchUsed )
+        mask |= SfxStyleSearchBits::Used;
+    return mask;
+}
+
+SfxStyleSheetIterator* SfxStyleSheetBasePool::GetCachedIterator()
+{
+    return pImpl->pIter.get();
+}
+
+SfxStyleSheetIterator& SfxStyleSheetBasePool::GetIterator_Impl(SfxStyleFamily eFamily, SfxStyleSearchBits eMask)
+{
+    if (!pImpl->pIter || (pImpl->pIter->GetSearchMask() != eMask) || (pImpl->pIter->GetSearchFamily() != eFamily))
+        pImpl->pIter = CreateIterator(eFamily, eMask);
+    return *pImpl->pIter;
+}
+
+SfxStyleSheetBasePool::SfxStyleSheetBasePool( SfxItemPool& r ) :
+    pImpl(new SfxStyleSheetBasePool_Impl),
+    rPool(r)
+{
+#ifdef DBG_UTIL
+    aDbgStyleSheetReferences.mnPools++;
+#endif
+}
+
+SfxStyleSheetBasePool::SfxStyleSheetBasePool( const SfxStyleSheetBasePool& r ) :
+    SfxBroadcaster( r ),
+    WeakImplHelper(),
+    pImpl(new SfxStyleSheetBasePool_Impl),
+    rPool(r.rPool)
+{
+#ifdef DBG_UTIL
+    aDbgStyleSheetReferences.mnPools++;
+#endif
+
+    *this += r;
+}
+
+SfxStyleSheetBasePool::~SfxStyleSheetBasePool()
+{
+#ifdef DBG_UTIL
+    aDbgStyleSheetReferences.mnPools--;
+#endif
+
+    Broadcast( SfxHint(SfxHintId::Dying) );
+    Clear();
+}
+
+std::unique_ptr<SfxStyleSheetIterator> SfxStyleSheetBasePool::CreateIterator
+(
+ SfxStyleFamily eFam,
+ SfxStyleSearchBits mask
+)
+{
+    return std::make_unique<SfxStyleSheetIterator>(this,eFam,mask);
+}
+
+rtl::Reference<SfxStyleSheetBase> SfxStyleSheetBasePool::Create
+(
+    const OUString& rName,
+    SfxStyleFamily eFam,
+    SfxStyleSearchBits mask
+)
+{
+    return new SfxStyleSheetBase( rName, this, eFam, mask );
+}
+
+rtl::Reference<SfxStyleSheetBase> SfxStyleSheetBasePool::Create( const SfxStyleSheetBase& r )
+{
+    return new SfxStyleSheetBase( r );
+}
+
+SfxStyleSheetBase& SfxStyleSheetBasePool::Make( const OUString& rName, SfxStyleFamily eFam, SfxStyleSearchBits mask)
+{
+    OSL_ENSURE( eFam != SfxStyleFamily::All, "svl::SfxStyleSheetBasePool::Make(), FamilyAll is not an allowed Family" );
+
+    SfxStyleSheetIterator aIter(this, eFam, mask);
+    rtl::Reference< SfxStyleSheetBase > xStyle( aIter.Find( rName ) );
+    OSL_ENSURE( !xStyle.is(), "svl::SfxStyleSheetBasePool::Make(), StyleSheet already exists" );
+
+    if( !xStyle.is() )
+    {
+        xStyle = Create( rName, eFam, mask );
+        StoreStyleSheet(xStyle);
+        Broadcast(SfxStyleSheetHint(SfxHintId::StyleSheetCreated, *xStyle));
+    }
+    return *xStyle;
+}
+
+/**
+ * Helper function: If a template with this name exists it is created
+ * anew. All templates that have this template as a parent are reconnected.
+ */
+void SfxStyleSheetBasePool::Add( const SfxStyleSheetBase& rSheet )
+{
+    SfxStyleSheetIterator aIter(this, rSheet.GetFamily(), SfxStyleSearchBits::All);
+    SfxStyleSheetBase* pOld = aIter.Find( rSheet.GetName() );
+    if (pOld) {
+        Remove( pOld );
+    }
+    rtl::Reference< SfxStyleSheetBase > xNew( Create( rSheet ) );
+    pImpl->mxIndexedStyleSheets->AddStyleSheet(xNew);
+    Broadcast(SfxStyleSheetHint(SfxHintId::StyleSheetChanged, *xNew));
+}
+
+SfxStyleSheetBasePool& SfxStyleSheetBasePool::operator=( const SfxStyleSheetBasePool& r )
+{
+    if( &r != this )
+    {
+        Clear();
+        *this += r;
+    }
+    return *this;
+}
+
+namespace {
+struct AddStyleSheetCallback : svl::StyleSheetCallback
+{
+    explicit AddStyleSheetCallback(SfxStyleSheetBasePool *pool)
+    : mPool(pool) {}
+
+    void DoIt(const SfxStyleSheetBase& ssheet) override
+    {
+        mPool->Add(ssheet);
+    }
+
+    SfxStyleSheetBasePool *mPool;
+};
+}
+
+SfxStyleSheetBasePool& SfxStyleSheetBasePool::operator+=( const SfxStyleSheetBasePool& r )
+{
+    if( &r != this )
+    {
+        AddStyleSheetCallback callback(this);
+        pImpl->mxIndexedStyleSheets->ApplyToAllStyleSheets(callback);
+    }
+    return *this;
+}
+
+SfxStyleSheetBase* SfxStyleSheetBasePool::Find(const OUString& rName,
+                                               SfxStyleFamily eFamily,
+                                               SfxStyleSearchBits eMask)
+{
+    SfxStyleSheetIterator aIter(this, eFamily, eMask);
+    return aIter.Find(rName);
+}
+
+SfxStyleSheetBase* SfxStyleSheetBasePool::First(SfxStyleFamily eFamily, SfxStyleSearchBits eMask)
+{
+    return GetIterator_Impl(eFamily, eMask).First();
+}
+
+SfxStyleSheetBase* SfxStyleSheetBasePool::Next()
+{
+    assert(pImpl->pIter && "Next called without a previous First");
+    return pImpl->pIter->Next();
+}
+
+void SfxStyleSheetBasePool::Remove( SfxStyleSheetBase* p )
+{
+    if( !p )
+        return;
+
+    // Reference to keep p alive until after Broadcast call!
+    rtl::Reference<SfxStyleSheetBase> xP(p);
+    bool bWasRemoved = pImpl->mxIndexedStyleSheets->RemoveStyleSheet(xP);
+    if( !bWasRemoved )
+        return;
+
+    // Adapt all styles which have this style as parent
+    ChangeParent(p->GetName(), p->GetParent(), p->GetFamily());
+
+    // #120015# Do not dispose, the removed StyleSheet may still be used in
+    // existing SdrUndoAttrObj incarnations. Rely on refcounting for disposal,
+    // this works well under normal conditions (checked breaking and counting
+    // on SfxStyleSheetBase constructors and destructors)
+
+    // css::uno::Reference< css::lang::XComponent > xComp( getXWeak((*aIter).get()), css::uno::UNO_QUERY );
+    // if( xComp.is() ) try
+    // {
+    //  xComp->dispose();
+    // }
+    // catch( css::uno::Exception& )
+    // {
+    // }
+    Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetErased, *p ) );
+}
+
+void SfxStyleSheetBasePool::Insert( SfxStyleSheetBase* p )
+{
+#if OSL_DEBUG_LEVEL > 0
+    OSL_ENSURE( p, "svl::SfxStyleSheetBasePool::Insert(), no stylesheet?" );
+
+    SfxStyleSheetIterator aIter(this, p->GetFamily(), p->GetMask());
+    SfxStyleSheetBase* pOld = aIter.Find( p->GetName() );
+    OSL_ENSURE( !pOld, "svl::SfxStyleSheetBasePool::Insert(), StyleSheet already inserted" );
+    if( !p->GetParent().isEmpty() )
+    {
+        pOld = aIter.Find( p->GetParent() );
+        OSL_ENSURE( pOld, "svl::SfxStyleSheetBasePool::Insert(), Parent not found!" );
+    }
+#endif
+    StoreStyleSheet(rtl::Reference< SfxStyleSheetBase >( p ) );
+    Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetCreated, *p ) );
+}
+
+namespace
+{
+
+struct StyleSheetDisposerFunctor final : public svl::StyleSheetDisposer
+{
+    explicit StyleSheetDisposerFunctor(SfxStyleSheetBasePool* pool)
+            : mPool(pool) {}
+
+    void
+    Dispose(rtl::Reference<SfxStyleSheetBase> styleSheet) override
+    {
+        cppu::OWeakObject* weakObject = styleSheet.get();
+        css::uno::Reference< css::lang::XComponent > xComp( weakObject, css::uno::UNO_QUERY );
+        if( xComp.is() ) try
+        {
+            xComp->dispose();
+        }
+        catch( css::uno::Exception& )
+        {
+        }
+        mPool->Broadcast(SfxStyleSheetHint(SfxHintId::StyleSheetErased, *styleSheet));
+    }
+
+    SfxStyleSheetBasePool* mPool;
+};
+
+}
+
+void SfxStyleSheetBasePool::Clear()
+{
+    StyleSheetDisposerFunctor cleanup(this);
+    pImpl->mxIndexedStyleSheets->Clear(cleanup);
+}
+
+void SfxStyleSheetBasePool::ChangeParent(std::u16string_view rOld,
+                                         const OUString& rNew,
+                                         SfxStyleFamily eFamily,
+                                         bool bVirtual)
+{
+    for( SfxStyleSheetBase* p = First(eFamily); p; p = Next() )
+    {
+        if( p->GetParent() == rOld )
+        {
+            if(bVirtual)
+                p->SetParent( rNew );
+            else
+                p->aParent = rNew;
+        }
+    }
+}
+
+SfxStyleSheet::SfxStyleSheet(const OUString &rName,
+                             const SfxStyleSheetBasePool& r_Pool,
+                             SfxStyleFamily eFam,
+                             SfxStyleSearchBits mask )
+    : SfxStyleSheetBase(rName, const_cast< SfxStyleSheetBasePool* >( &r_Pool ), eFam, mask)
+{
+}
+
+SfxStyleSheet::SfxStyleSheet(const SfxStyleSheet& rStyle)
+    : SfxStyleSheetBase(rStyle)
+    , SfxListener( rStyle )
+    , SfxBroadcaster( rStyle )
+    , svl::StyleSheetUser()
+{
+}
+
+SfxStyleSheet::~SfxStyleSheet()
+{
+    Broadcast( SfxStyleSheetHint( SfxHintId::StyleSheetInDestruction, *this ) );
+}
+
+
+bool SfxStyleSheet::SetParent( const OUString& rName )
+{
+    if(aParent == rName)
+        return true;
+    const OUString aOldParent(aParent);
+    if(SfxStyleSheetBase::SetParent(rName))
+    {
+        // Remove from notification chain of the old parent if applicable
+        if(!aOldParent.isEmpty())
+        {
+            SfxStyleSheet *pParent = static_cast<SfxStyleSheet *>(m_pPool->Find(aOldParent, nFamily));
+            if(pParent)
+                EndListening(*pParent);
+        }
+        // Add to the notification chain of the new parent
+        if(!aParent.isEmpty())
+        {
+            SfxStyleSheet *pParent = static_cast<SfxStyleSheet *>(m_pPool->Find(aParent, nFamily));
+            if(pParent)
+                StartListening(*pParent);
+        }
+        return true;
+    }
+    return false;
+}
+
+/**
+ * Notify all listeners
+ */
+void SfxStyleSheet::Notify(SfxBroadcaster& rBC, const SfxHint& rHint )
+{
+    Forward(rBC, rHint);
+}
+
+bool SfxStyleSheet::isUsedByModel() const
+{
+    return IsUsed();
+}
+
+
+SfxStyleSheetPool::SfxStyleSheetPool( SfxItemPool const& rSet)
+: SfxStyleSheetBasePool( const_cast< SfxItemPool& >( rSet ) )
+{
+}
+
+rtl::Reference<SfxStyleSheetBase> SfxStyleSheetPool::Create( const OUString& rName,
+                                              SfxStyleFamily eFam, SfxStyleSearchBits mask )
+{
+    return new SfxStyleSheet( rName, *this, eFam, mask );
+}
+
+SfxUnoStyleSheet::SfxUnoStyleSheet( const OUString& _rName, const SfxStyleSheetBasePool& _rPool, SfxStyleFamily _eFamily, SfxStyleSearchBits _nMask )
+: cppu::ImplInheritanceHelper<SfxStyleSheet, css::style::XStyle>(_rName, _rPool, _eFamily, _nMask)
+{
+}
+
+SfxUnoStyleSheet* SfxUnoStyleSheet::getUnoStyleSheet( const css::uno::Reference< css::style::XStyle >& xStyle )
+{
+    return dynamic_cast<SfxUnoStyleSheet*>(xStyle.get());
+}
+
+void
+SfxStyleSheetBasePool::StoreStyleSheet(const rtl::Reference< SfxStyleSheetBase >& xStyle)
+{
+    pImpl->mxIndexedStyleSheets->AddStyleSheet(xStyle);
+}
+
+void
+SfxStyleSheetBasePool::Reindex()
+{
+    pImpl->mxIndexedStyleSheets->Reindex();
+}
+
+const svl::IndexedStyleSheets&
+SfxStyleSheetBasePool::GetIndexedStyleSheets() const
+{
+    return *pImpl->mxIndexedStyleSheets;
+}
+
+SfxStyleSheetBase*
+SfxStyleSheetBasePool::GetStyleSheetByPositionInIndex(unsigned pos)
+{
+    return pImpl->mxIndexedStyleSheets->GetStyleSheetByPosition(pos);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/stylepool.cxx b/svl/source/items/stylepool.cxx
new file mode 100644
index 0000000000..9de8d87d13
--- /dev/null
+++ b/svl/source/items/stylepool.cxx
@@ -0,0 +1,468 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/stylepool.hxx>
+#include <svl/itemiter.hxx>
+#include <svl/itempool.hxx>
+#include <tools/debug.hxx>
+#include <algorithm>
+#include <map>
+#include <memory>
+#include <optional>
+#include <vector>
+
+namespace {
+    /** A "Node" represents a subset of inserted SfxItemSets
+     * The root node represents the empty set
+     * The other nodes contain a SfxPoolItem and represents an item set which contains their
+     * pool item and the pool items of their parents.
+     */
+    class Node
+    {
+        std::vector<std::unique_ptr<Node>> mChildren; // child nodes, create by findChildNode(..)
+        // container of shared pointers of inserted item sets; for non-poolable
+        // items more than one item set is needed
+        std::vector< std::shared_ptr<SfxItemSet> > maItemSet;
+        std::unique_ptr<const SfxPoolItem> mpItem;   // my pool item
+        Node *mpUpper;               // if I'm a child node that's my parent node
+        // #i86923#
+        const bool mbIsItemIgnorable;
+    public:
+        // #i86923#
+        Node() // root node Ctor
+            : mpUpper( nullptr ),
+              mbIsItemIgnorable( false )
+        {}
+        Node( const SfxPoolItem& rItem, Node* pParent, const bool bIgnorable ) // child node Ctor
+            : mpItem( rItem.Clone() ),
+              mpUpper( pParent ),
+              mbIsItemIgnorable( bIgnorable )
+        {}
+        // #i86923#
+        bool hasItemSet( const bool bCheckUsage ) const;
+        // #i87808#
+        std::shared_ptr<SfxItemSet> const & getItemSet() const
+        {
+            return maItemSet.back();
+        }
+        std::shared_ptr<SfxItemSet> const & getUsedOrLastAddedItemSet() const;
+        void setItemSet( const SfxItemSet& rSet ){ maItemSet.push_back( std::shared_ptr<SfxItemSet>( rSet.Clone() ) ); }
+        // #i86923#
+        Node* findChildNode( const SfxPoolItem& rItem,
+                             const bool bIsItemIgnorable );
+        Node* nextItemSet( Node const * pLast,
+                           const bool bSkipUnusedItemSet,
+                           const bool bSkipIgnorable );
+        // #i86923#
+        bool hasIgnorableChildren( const bool bCheckUsage ) const;
+        std::shared_ptr<SfxItemSet> getItemSetOfIgnorableChild(
+                                        const bool bSkipUnusedItemSets ) const;
+    };
+
+    // #i87808#
+    std::shared_ptr<SfxItemSet> const & Node::getUsedOrLastAddedItemSet() const
+    {
+        auto aIter = std::find_if(maItemSet.rbegin(), maItemSet.rend(),
+            [](const std::shared_ptr<SfxItemSet>& rxItemSet) { return rxItemSet.use_count() > 1; });
+
+        if (aIter != maItemSet.rend())
+            return *aIter;
+
+        return maItemSet.back();
+    }
+
+    // #i86923#
+    bool Node::hasItemSet( const bool bCheckUsage ) const
+    {
+        bool bHasItemSet = false;
+
+        if ( !maItemSet.empty())
+        {
+            if ( bCheckUsage )
+            {
+                bHasItemSet = std::any_of(maItemSet.rbegin(), maItemSet.rend(),
+                    [](const std::shared_ptr<SfxItemSet>& rxItemSet) { return rxItemSet.use_count() > 1; });
+            }
+            else
+            {
+                bHasItemSet = true;
+            }
+        }
+        return bHasItemSet;
+    }
+
+    // #i86923#
+    Node* Node::findChildNode( const SfxPoolItem& rItem,
+                               const bool bIsItemIgnorable )
+    {
+        for( auto const & rChild : mChildren )
+        {
+            if( rItem.Which() == rChild->mpItem->Which() &&
+                rItem == *rChild->mpItem )
+                return rChild.get();
+        }
+        // #i86923#
+        auto pNextNode = new Node( rItem, this, bIsItemIgnorable );
+        mChildren.emplace_back( pNextNode );
+        return pNextNode;
+    }
+
+    /**
+     * Find the next node which has a SfxItemSet.
+     * The input parameter pLast has a sophisticated meaning:
+     * downstairs only:
+     * pLast == 0 => scan your children and their children
+     *               but neither your parents neither your siblings
+     * downstairs and upstairs:
+     * pLast == this => scan your children, their children,
+     *                  the children of your parent behind you, and so on
+     * partial downstairs and upstairs
+     *  pLast != 0 && pLast != this => scan your children behind the given children,
+     *                 the children of your parent behind you and so on.
+     *
+     * OD 2008-03-11 #i86923#
+     * introduce parameters <bSkipUnusedItemSets> and <bSkipIgnorable>
+     * and its handling.
+     */
+    Node* Node::nextItemSet( Node const * pLast,
+                             const bool bSkipUnusedItemSets,
+                             const bool bSkipIgnorable )
+    {
+        // Searching downstairs
+        auto aIter = mChildren.begin();
+        // For pLast == 0 and pLast == this all children are of interest
+        // for another pLast the search starts behind pLast...
+        if( pLast && pLast != this )
+        {
+            aIter = std::find_if( mChildren.begin(), mChildren.end(),
+                                  [&] (std::unique_ptr<Node> const &p) { return p.get() == pLast; });
+            if( aIter != mChildren.end() )
+                ++aIter;
+        }
+        Node *pNext = nullptr;
+        while( aIter != mChildren.end() )
+        {
+            // #i86923#
+            if ( bSkipIgnorable && (*aIter)->mbIsItemIgnorable )
+            {
+                ++aIter;
+                continue;
+            }
+            pNext = aIter->get();
+            // #i86923#
+            if ( pNext->hasItemSet( bSkipUnusedItemSets ) )
+            {
+                return pNext;
+            }
+            if ( bSkipIgnorable &&
+                 pNext->hasIgnorableChildren( bSkipUnusedItemSets ) )
+            {
+                return pNext;
+            }
+            pNext = pNext->nextItemSet( nullptr, bSkipUnusedItemSets, bSkipIgnorable ); // 0 => downstairs only
+            if( pNext )
+                return pNext;
+            ++aIter;
+        }
+        // Searching upstairs
+        if( pLast && mpUpper )
+        {
+            // #i86923#
+            pNext = mpUpper->nextItemSet( this, bSkipUnusedItemSets, bSkipIgnorable );
+        }
+        return pNext;
+    }
+
+    // #i86923#
+    bool Node::hasIgnorableChildren( const bool bCheckUsage ) const
+    {
+        return std::any_of(mChildren.begin(), mChildren.end(),
+            [&bCheckUsage](const std::unique_ptr<Node>& rxChild) {
+                Node* pChild = rxChild.get();
+                return pChild->mbIsItemIgnorable &&
+                    (!bCheckUsage ||
+                     ( pChild->hasItemSet( bCheckUsage /* == true */ ) ||
+                       pChild->hasIgnorableChildren( bCheckUsage /* == true */ ) ));
+            });
+    }
+
+    std::shared_ptr<SfxItemSet> Node::getItemSetOfIgnorableChild(
+                                        const bool bSkipUnusedItemSets ) const
+    {
+        DBG_ASSERT( hasIgnorableChildren( bSkipUnusedItemSets ),
+                    "<Node::getItemSetOfIgnorableChild> - node has no ignorable children" );
+
+        for( const auto& rxChild : mChildren )
+        {
+            Node* pChild = rxChild.get();
+            if ( pChild->mbIsItemIgnorable )
+            {
+                if ( pChild->hasItemSet( bSkipUnusedItemSets ) )
+                {
+                    return pChild->getUsedOrLastAddedItemSet();
+                }
+                else
+                {
+                    pChild = pChild->nextItemSet( nullptr, bSkipUnusedItemSets, false );
+                    if ( pChild )
+                    {
+                        return pChild->getUsedOrLastAddedItemSet();
+                    }
+                }
+            }
+        }
+
+        std::shared_ptr<SfxItemSet> pReturn;
+        return pReturn;
+    }
+
+    class Iterator : public IStylePoolIteratorAccess
+    {
+        std::map< const SfxItemSet*, Node >& mrRoot;
+        std::map< const SfxItemSet*, Node >::iterator mpCurrNode;
+        Node* mpNode;
+        const bool mbSkipUnusedItemSets;
+        const bool mbSkipIgnorable;
+        /// List of item set parents, ordered by their name.
+        std::vector<const SfxItemSet*> maParents;
+        /// The iterator's current position.
+        std::vector<const SfxItemSet*>::iterator mpCurrParent;
+    public:
+        // #i86923#
+        Iterator( std::map< const SfxItemSet*, Node >& rR,
+                  const bool bSkipUnusedItemSets,
+                  const bool bSkipIgnorable,
+                  const std::map< const SfxItemSet*, OUString>& rParentNames )
+            : mrRoot( rR ),
+              mpNode(nullptr),
+              mbSkipUnusedItemSets( bSkipUnusedItemSets ),
+              mbSkipIgnorable( bSkipIgnorable )
+        {
+            // Collect the parent pointers into a vector we can sort.
+            for (const auto& rParent : mrRoot)
+                maParents.push_back(rParent.first);
+
+            // Sort the parents using their name, if they have one.
+            if (!rParentNames.empty())
+            {
+                std::stable_sort(maParents.begin(), maParents.end(),
+                          [&rParentNames](const SfxItemSet* pA, const SfxItemSet* pB) {
+                              OUString aA;
+                              OUString aB;
+                              auto it = rParentNames.find(pA);
+                              if (it != rParentNames.end())
+                                  aA = it->second;
+                              it = rParentNames.find(pB);
+                              if (it != rParentNames.end())
+                                  aB = it->second;
+                              return aA < aB;
+                          });
+            }
+
+            // Start the iteration.
+            mpCurrParent = maParents.begin();
+            if (mpCurrParent != maParents.end())
+                mpCurrNode = mrRoot.find(*mpCurrParent);
+        }
+        virtual std::shared_ptr<SfxItemSet> getNext() override;
+    };
+
+    std::shared_ptr<SfxItemSet> Iterator::getNext()
+    {
+        std::shared_ptr<SfxItemSet> pReturn;
+        while( mpNode || mpCurrParent != maParents.end() )
+        {
+            if( !mpNode )
+            {
+                mpNode = &mpCurrNode->second;
+                // Perform the actual increment.
+                ++mpCurrParent;
+                if (mpCurrParent != maParents.end())
+                    mpCurrNode = mrRoot.find(*mpCurrParent);
+                // #i86923#
+                if ( mpNode->hasItemSet( mbSkipUnusedItemSets ) )
+                {
+                    // #i87808#
+                    return mpNode->getUsedOrLastAddedItemSet();
+                }
+            }
+            // #i86923#
+            mpNode = mpNode->nextItemSet( mpNode, mbSkipUnusedItemSets, mbSkipIgnorable );
+            if ( mpNode && mpNode->hasItemSet( mbSkipUnusedItemSets ) )
+            {
+                // #i87808#
+                return mpNode->getUsedOrLastAddedItemSet();
+            }
+            if ( mbSkipIgnorable &&
+                 mpNode && mpNode->hasIgnorableChildren( mbSkipUnusedItemSets ) )
+            {
+                return mpNode->getItemSetOfIgnorableChild( mbSkipUnusedItemSets );
+            }
+        }
+        return pReturn;
+    }
+
+}
+
+/**
+ * This static method creates a unique name from a shared pointer to a SfxItemSet
+ * The name is the memory address of the SfxItemSet itself.
+ */
+OUString StylePool::nameOf( const std::shared_ptr<SfxItemSet>& pSet )
+{
+    return OUString::number( reinterpret_cast<sal_IntPtr>( pSet.get() ), 16 );
+}
+
+/**
+ * class StylePoolImpl organized a tree-structure where every node represents a SfxItemSet.
+ * The insertItemSet method adds a SfxItemSet into the tree if necessary and returns a shared_ptr
+ * to a copy of the SfxItemSet.
+ * The aRoot-Node represents an empty SfxItemSet.
+ */
+class StylePoolImpl
+{
+private:
+    std::map< const SfxItemSet*, Node > maRoot;
+    /// Names of maRoot keys.
+    std::map< const SfxItemSet*, OUString> maParentNames;
+    // #i86923#
+    std::unique_ptr<SfxItemSet> mpIgnorableItems;
+#ifdef DEBUG
+    sal_Int32 mnCount;
+#endif
+public:
+    // #i86923#
+    explicit StylePoolImpl( SfxItemSet const * pIgnorableItems )
+        :
+#ifdef DEBUG
+          mnCount(0),
+#endif
+          mpIgnorableItems( pIgnorableItems != nullptr
+                            ? pIgnorableItems->Clone( false )
+                            : nullptr )
+    {
+        DBG_ASSERT( !pIgnorableItems || !pIgnorableItems->Count(),
+                    "<StylePoolImpl::StylePoolImpl(..)> - misusage: item set for ignorable item should be empty. Please correct usage." );
+        DBG_ASSERT( !mpIgnorableItems || !mpIgnorableItems->Count(),
+                    "<StylePoolImpl::StylePoolImpl(..)> - <SfxItemSet::Clone( sal_False )> does not work as expected - <mpIgnorableItems> is not empty." );
+    }
+
+    std::shared_ptr<SfxItemSet> insertItemSet( const SfxItemSet& rSet, const OUString* pParentName = nullptr );
+
+    // #i86923#
+    std::unique_ptr<IStylePoolIteratorAccess> createIterator( bool bSkipUnusedItemSets,
+                                              bool bSkipIgnorableItems );
+};
+
+
+std::shared_ptr<SfxItemSet> StylePoolImpl::insertItemSet( const SfxItemSet& rSet, const OUString* pParentName )
+{
+    bool bNonShareable(false);
+    Node* pCurNode = &maRoot[ rSet.GetParent() ];
+    if (pParentName)
+        maParentNames[ rSet.GetParent() ] = *pParentName;
+    SfxItemIter aIter( rSet );
+    const SfxPoolItem* pItem = aIter.GetCurItem();
+    // Every SfxPoolItem in the SfxItemSet causes a step deeper into the tree,
+    // a complete empty SfxItemSet would stay at the root node.
+    // #i86923# insert ignorable items to the tree leaves.
+    std::optional<SfxItemSet> xFoundIgnorableItems;
+    if ( mpIgnorableItems )
+    {
+        xFoundIgnorableItems.emplace( *mpIgnorableItems );
+    }
+    while( pItem )
+    {
+        if (!rSet.GetPool()->Shareable(pItem->Which()))
+            bNonShareable = true;
+        if (!xFoundIgnorableItems || (xFoundIgnorableItems->Put(*pItem) == nullptr))
+        {
+            pCurNode = pCurNode->findChildNode( *pItem, false );
+        }
+        pItem = aIter.NextItem();
+    }
+    if ( xFoundIgnorableItems && xFoundIgnorableItems->Count() > 0 )
+    {
+        SfxItemIter aIgnorableItemsIter( *xFoundIgnorableItems );
+        pItem = aIgnorableItemsIter.GetCurItem();
+        while( pItem )
+        {
+            if (!rSet.GetPool()->Shareable(pItem->Which()))
+                bNonShareable = true;
+            pCurNode = pCurNode->findChildNode( *pItem, true );
+            pItem = aIgnorableItemsIter.NextItem();
+        }
+    }
+    // Every leaf node represents an inserted item set, but "non-leaf" nodes represents subsets
+    // of inserted itemsets.
+    // These nodes could have but does not need to have a shared_ptr to an item set.
+    if( !pCurNode->hasItemSet( false ) )
+    {
+        pCurNode->setItemSet( rSet );
+        bNonShareable = false; // to avoid a double insertion
+#ifdef DEBUG
+        ++mnCount;
+#endif
+    }
+    // If rSet contains at least one non poolable item, a new itemset has to be inserted
+    if( bNonShareable )
+        pCurNode->setItemSet( rSet );
+#ifdef DEBUG
+    {
+        sal_Int32 nCheck = -1;
+        std::unique_ptr<IStylePoolIteratorAccess> pIter = createIterator(false,false);
+        std::shared_ptr<SfxItemSet> pTemp;
+        do
+        {
+            ++nCheck;
+            pTemp = pIter->getNext();
+        } while( pTemp.get() );
+        DBG_ASSERT( mnCount == nCheck, "Wrong counting");
+    }
+#endif
+    return pCurNode->getItemSet();
+}
+
+// #i86923#
+std::unique_ptr<IStylePoolIteratorAccess> StylePoolImpl::createIterator( bool bSkipUnusedItemSets,
+                                                         bool bSkipIgnorableItems )
+{
+    return std::make_unique<Iterator>( maRoot, bSkipUnusedItemSets, bSkipIgnorableItems, maParentNames );
+}
+// Ctor, Dtor and redirected methods of class StylePool, nearly inline ;-)
+
+// #i86923#
+StylePool::StylePool( SfxItemSet const * pIgnorableItems )
+    : pImpl( new StylePoolImpl( pIgnorableItems ) )
+{}
+
+std::shared_ptr<SfxItemSet> StylePool::insertItemSet( const SfxItemSet& rSet, const OUString* pParentName )
+{ return pImpl->insertItemSet( rSet, pParentName ); }
+
+// #i86923#
+std::unique_ptr<IStylePoolIteratorAccess> StylePool::createIterator( const bool bSkipUnusedItemSets,
+                                                     const bool bSkipIgnorableItems )
+{
+    return pImpl->createIterator( bSkipUnusedItemSets, bSkipIgnorableItems );
+}
+
+StylePool::~StylePool()
+{}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/visitem.cxx b/svl/source/items/visitem.cxx
new file mode 100644
index 0000000000..c1788c32d1
--- /dev/null
+++ b/svl/source/items/visitem.cxx
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <string_view>
+
+#include <svl/visitem.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <osl/diagnose.h>
+
+
+// virtual
+bool SfxVisibilityItem::operator ==(const SfxPoolItem & rItem) const
+{
+    assert(SfxPoolItem::operator==(rItem));
+    return m_nValue.bVisible == static_cast< const SfxVisibilityItem * >(&rItem)->
+                        m_nValue.bVisible;
+}
+
+// virtual
+bool SfxVisibilityItem::GetPresentation(SfxItemPresentation,
+                                        MapUnit, MapUnit,
+                                        OUString & rText,
+                                        const IntlWrapper&) const
+{
+    rText = m_nValue.bVisible ? std::u16string_view(u"TRUE") : std::u16string_view(u"FALSE");
+    return true;
+}
+
+
+// virtual
+bool SfxVisibilityItem::QueryValue(css::uno::Any& rVal, sal_uInt8) const
+{
+    rVal <<= m_nValue;
+    return true;
+}
+
+// virtual
+bool SfxVisibilityItem::PutValue(const css::uno::Any& rVal, sal_uInt8)
+{
+    if (rVal >>= m_nValue)
+        return true;
+
+    OSL_FAIL( "SfxInt16Item::PutValue - Wrong type!" );
+    return false;
+}
+
+// virtual
+SfxVisibilityItem* SfxVisibilityItem::Clone(SfxItemPool *) const
+{
+    return new SfxVisibilityItem(*this);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/voiditem.cxx b/svl/source/items/voiditem.cxx
new file mode 100644
index 0000000000..32057e1e2c
--- /dev/null
+++ b/svl/source/items/voiditem.cxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/voiditem.hxx>
+#include <libxml/xmlwriter.h>
+
+SfxPoolItem* SfxVoidItem::CreateDefault() { return new SfxVoidItem(0); }
+
+SfxVoidItem::SfxVoidItem(sal_uInt16 which)
+    : SfxPoolItem(which)
+{
+    setIsVoidItem();
+}
+
+SfxVoidItem::SfxVoidItem(const SfxVoidItem& rCopy)
+    : SfxPoolItem(rCopy.Which())
+{
+    setIsVoidItem();
+}
+
+SfxVoidItem::SfxVoidItem(SfxVoidItem&& rOrig)
+    : SfxPoolItem(rOrig)
+{
+    setIsVoidItem();
+}
+
+bool SfxVoidItem::operator==(const SfxPoolItem& rCmp) const
+{
+    assert(SfxPoolItem::operator==(rCmp));
+    (void)rCmp;
+    return true;
+}
+
+bool SfxVoidItem::GetPresentation(SfxItemPresentation /*ePresentation*/, MapUnit /*eCoreMetric*/,
+                                  MapUnit /*ePresentationMetric*/, OUString& rText,
+                                  const IntlWrapper&) const
+{
+    rText = "Void";
+    return true;
+}
+
+void SfxVoidItem::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxVoidItem"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("whichId"),
+                                      BAD_CAST(OString::number(Which()).getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+SfxVoidItem* SfxVoidItem::Clone(SfxItemPool*) const { return new SfxVoidItem(*this); }
+
+SfxVoidItem::~SfxVoidItem() {}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/items/whiter.cxx b/svl/source/items/whiter.cxx
new file mode 100644
index 0000000000..13915415df
--- /dev/null
+++ b/svl/source/items/whiter.cxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/itemset.hxx>
+#include <svl/whiter.hxx>
+
+SfxWhichIter::SfxWhichIter(const SfxItemSet& rSet)
+    : m_rItemSet(rSet)
+    , m_pCurrentWhichPair(rSet.m_pWhichRanges.begin())
+    , m_nOffsetFromStartOfCurrentWhichPair(0)
+    , m_nItemsOffset(0)
+{
+}
+
+sal_uInt16 SfxWhichIter::GetCurWhich() const
+{
+    const WhichRangesContainer& rWhichRanges = m_rItemSet.m_pWhichRanges;
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+    return m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+}
+
+sal_uInt16 SfxWhichIter::NextWhich()
+{
+    const WhichRangesContainer& rWhichRanges = m_rItemSet.m_pWhichRanges;
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+
+    const sal_uInt16 nLastWhich = m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+    ++m_nOffsetFromStartOfCurrentWhichPair;
+    if (m_pCurrentWhichPair->second == nLastWhich)
+    {
+        m_nItemsOffset += m_pCurrentWhichPair->second - m_pCurrentWhichPair->first + 1;
+        ++m_pCurrentWhichPair;
+        m_nOffsetFromStartOfCurrentWhichPair = 0;
+    }
+    if (m_pCurrentWhichPair >= (rWhichRanges.begin() + rWhichRanges.size()))
+        return 0;
+    return m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair;
+}
+
+sal_uInt16 SfxWhichIter::FirstWhich()
+{
+    m_pCurrentWhichPair = m_rItemSet.m_pWhichRanges.begin();
+    m_nOffsetFromStartOfCurrentWhichPair = 0;
+    m_nItemsOffset = 0;
+    return m_pCurrentWhichPair->first;
+}
+
+SfxItemState SfxWhichIter::GetItemState(bool bSrchInParent, const SfxPoolItem** ppItem) const
+{
+    const sal_uInt16 nOffset(m_nItemsOffset + m_nOffsetFromStartOfCurrentWhichPair);
+
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    SfxItemState eState(m_rItemSet.GetItemState_ForOffset(nOffset, ppItem));
+
+    // search in parent?
+    if (bSrchInParent && nullptr != m_rItemSet.GetParent() && (SfxItemState::UNKNOWN == eState || SfxItemState::DEFAULT == eState))
+    {
+        // nOffset was only valid for *local* SfxItemSet, need to continue with WhichID
+        // Use the *highest* SfxItemState as result
+        const sal_uInt16 nWhich(m_pCurrentWhichPair->first + m_nOffsetFromStartOfCurrentWhichPair);
+        return m_rItemSet.GetParent()->GetItemState_ForWhichID( eState, nWhich, true, ppItem);
+    }
+
+    return eState;
+}
+
+void SfxWhichIter::ClearItem()
+{
+    // we have the offset, so use it to profit. It is always valid, so no need
+    // to check if smaller than TotalCount()
+    const_cast<SfxItemSet&>(m_rItemSet).ClearSingleItem_ForOffset(m_nItemsOffset + m_nOffsetFromStartOfCurrentWhichPair);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/PasswordHelper.cxx b/svl/source/misc/PasswordHelper.cxx
new file mode 100644
index 0000000000..cfae72f649
--- /dev/null
+++ b/svl/source/misc/PasswordHelper.cxx
@@ -0,0 +1,180 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/PasswordHelper.hxx>
+#include <comphelper/hash.hxx>
+#include <rtl/digest.h>
+#include <memory>
+#include <unicode/regex.h>
+#include <unicode/unistr.h>
+#include <unicode/errorcode.h>
+#include <zxcvbn.h>
+#include <sal/log.hxx>
+
+using namespace com::sun::star;
+
+void SvPasswordHelper::GetHashPasswordSHA256(uno::Sequence<sal_Int8>& rPassHash, std::u16string_view rPassword)
+{
+    OString const tmp(OUStringToOString(rPassword, RTL_TEXTENCODING_UTF8));
+    ::std::vector<unsigned char> const hash(::comphelper::Hash::calculateHash(
+        reinterpret_cast<unsigned char const*>(tmp.getStr()), tmp.getLength(),
+        ::comphelper::HashType::SHA256));
+    rPassHash.realloc(hash.size());
+    ::std::copy(hash.begin(), hash.end(), rPassHash.getArray());
+    rtl_secureZeroMemory(const_cast<char *>(tmp.getStr()), tmp.getLength());
+}
+
+void SvPasswordHelper::GetHashPasswordSHA1UTF8(uno::Sequence<sal_Int8>& rPassHash, std::u16string_view rPassword)
+{
+    OString const tmp(OUStringToOString(rPassword, RTL_TEXTENCODING_UTF8));
+    ::std::vector<unsigned char> const hash(::comphelper::Hash::calculateHash(
+        reinterpret_cast<unsigned char const*>(tmp.getStr()), tmp.getLength(),
+        ::comphelper::HashType::SHA1));
+    rPassHash.realloc(hash.size());
+    ::std::copy(hash.begin(), hash.end(), rPassHash.getArray());
+    rtl_secureZeroMemory(const_cast<char *>(tmp.getStr()), tmp.getLength());
+}
+
+void SvPasswordHelper::GetHashPassword(uno::Sequence<sal_Int8>& rPassHash, const char* pPass, sal_uInt32 nLen)
+{
+    rPassHash.realloc(RTL_DIGEST_LENGTH_SHA1);
+
+    rtlDigestError aError = rtl_digest_SHA1 (pPass, nLen, reinterpret_cast<sal_uInt8*>(rPassHash.getArray()), rPassHash.getLength());
+    if (aError != rtl_Digest_E_None)
+    {
+        rPassHash.realloc(0);
+    }
+}
+
+void SvPasswordHelper::GetHashPasswordLittleEndian(uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass)
+{
+    sal_Int32 nSize(sPass.size());
+    std::unique_ptr<char[]> pCharBuffer(new char[nSize * sizeof(sal_Unicode)]);
+
+    for (sal_Int32 i = 0; i < nSize; ++i)
+    {
+        sal_Unicode ch(sPass[ i ]);
+        pCharBuffer[2 * i] = static_cast< char >(ch & 0xFF);
+        pCharBuffer[2 * i + 1] = static_cast< char >(ch >> 8);
+    }
+
+    GetHashPassword(rPassHash, pCharBuffer.get(), nSize * sizeof(sal_Unicode));
+    rtl_secureZeroMemory(pCharBuffer.get(), nSize * sizeof(sal_Unicode));
+}
+
+void SvPasswordHelper::GetHashPasswordBigEndian(uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass)
+{
+    sal_Int32 nSize(sPass.size());
+    std::unique_ptr<char[]> pCharBuffer(new char[nSize * sizeof(sal_Unicode)]);
+
+    for (sal_Int32 i = 0; i < nSize; ++i)
+    {
+        sal_Unicode ch(sPass[ i ]);
+        pCharBuffer[2 * i] = static_cast< char >(ch >> 8);
+        pCharBuffer[2 * i + 1] = static_cast< char >(ch & 0xFF);
+    }
+
+    GetHashPassword(rPassHash, pCharBuffer.get(), nSize * sizeof(sal_Unicode));
+    rtl_secureZeroMemory(pCharBuffer.get(), nSize * sizeof(sal_Unicode));
+}
+
+void SvPasswordHelper::GetHashPassword(uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass)
+{
+    GetHashPasswordLittleEndian(rPassHash, sPass);
+}
+
+bool SvPasswordHelper::CompareHashPassword(const uno::Sequence<sal_Int8>& rOldPassHash, std::u16string_view sNewPass)
+{
+    bool bResult = false;
+
+    if (rOldPassHash.getLength() == RTL_DIGEST_LENGTH_SHA1)
+    {
+        uno::Sequence<sal_Int8> aNewPass(RTL_DIGEST_LENGTH_SHA1);
+        GetHashPasswordSHA1UTF8(aNewPass, sNewPass);
+        if (aNewPass == rOldPassHash)
+        {
+            bResult = true;
+        }
+        else
+        {
+            GetHashPasswordLittleEndian(aNewPass, sNewPass);
+            if (aNewPass == rOldPassHash)
+                bResult = true;
+            else
+            {
+                GetHashPasswordBigEndian(aNewPass, sNewPass);
+                bResult = (aNewPass == rOldPassHash);
+            }
+        }
+    }
+    else if (rOldPassHash.getLength() == 32)
+    {
+        uno::Sequence<sal_Int8> aNewPass;
+        GetHashPasswordSHA256(aNewPass, sNewPass);
+        bResult = aNewPass == rOldPassHash;
+    }
+
+    return bResult;
+}
+
+double SvPasswordHelper::GetPasswordStrengthPercentage(const char* pPassword)
+{
+    // Entropy bits corresponding to 100% password strength
+    static constexpr double fMaxPassStrengthEntorpyBits = 112.0;
+    return std::min(100.0,
+                    ZxcvbnMatch(pPassword, nullptr, nullptr) * 100.0 / fMaxPassStrengthEntorpyBits);
+}
+
+double SvPasswordHelper::GetPasswordStrengthPercentage(const OUString& aPassword)
+{
+    OString aPasswordUtf8 = aPassword.toUtf8();
+    return GetPasswordStrengthPercentage(aPasswordUtf8.getStr());
+}
+
+bool SvPasswordHelper::PasswordMeetsPolicy(const char* pPassword,
+                                           const std::optional<OUString>& oPasswordPolicy)
+{
+    if (oPasswordPolicy)
+    {
+        icu::ErrorCode aStatus;
+        icu::UnicodeString sPassword(pPassword);
+        icu::UnicodeString sRegex(oPasswordPolicy->getStr());
+        icu::RegexMatcher aRegexMatcher(sRegex, sPassword, 0, aStatus);
+
+        if (aRegexMatcher.matches(aStatus))
+            return true;
+
+        SAL_WARN_IF(
+            aStatus.isFailure(), "svl.misc",
+            "Password policy regular expression failed with error: " << aStatus.errorName());
+
+        return false;
+    }
+    return true;
+}
+
+bool SvPasswordHelper::PasswordMeetsPolicy(const OUString& aPassword,
+                                           const std::optional<OUString>& oPasswordPolicy)
+{
+    OString aPasswordUtf8 = aPassword.toUtf8();
+    return PasswordMeetsPolicy(aPasswordUtf8.getStr(), oPasswordPolicy);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/adrparse.cxx b/svl/source/misc/adrparse.cxx
new file mode 100644
index 0000000000..19e869a092
--- /dev/null
+++ b/svl/source/misc/adrparse.cxx
@@ -0,0 +1,556 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <rtl/ustrbuf.hxx>
+#include <svl/adrparse.hxx>
+
+namespace
+{
+
+enum ElementType { ELEMENT_START, ELEMENT_DELIM, ELEMENT_ITEM, ELEMENT_END };
+
+struct ParsedAddrSpec
+{
+    sal_Unicode const * m_pBegin;
+    sal_Unicode const * m_pEnd;
+    ElementType m_eLastElem;
+    bool m_bAtFound;
+    bool m_bReparse;
+
+    ParsedAddrSpec() { reset(); }
+
+    bool isPoorlyValid() const { return m_eLastElem >= ELEMENT_ITEM; }
+
+    bool isValid() const { return isPoorlyValid() && m_bAtFound; }
+
+    void reset();
+
+    void finish();
+};
+
+void ParsedAddrSpec::reset()
+{
+    m_pBegin = nullptr;
+    m_pEnd = nullptr;
+    m_eLastElem = ELEMENT_START;
+    m_bAtFound = false;
+    m_bReparse = false;
+}
+
+void ParsedAddrSpec::finish()
+{
+    if (isPoorlyValid())
+        m_eLastElem = ELEMENT_END;
+    else
+        reset();
+}
+
+}
+
+class SvAddressParser_Impl
+{
+    enum State { BEFORE_COLON, BEFORE_LESS, AFTER_LESS, AFTER_GREATER };
+
+    enum TokenType: sal_uInt32 {
+        TOKEN_QUOTED = 0x80000000, TOKEN_DOMAIN, TOKEN_COMMENT, TOKEN_ATOM };
+
+    sal_Unicode const * m_pInputPos;
+    sal_Unicode const * m_pInputEnd;
+    sal_uInt32 m_nCurToken;
+    sal_Unicode const * m_pCurTokenBegin;
+    sal_Unicode const * m_pCurTokenEnd;
+    ParsedAddrSpec m_aOuterAddrSpec;
+    ParsedAddrSpec m_aInnerAddrSpec;
+    ParsedAddrSpec * m_pAddrSpec;
+    State m_eState;
+    TokenType m_eType;
+
+    inline void reset();
+
+    void addTokenToAddrSpec(ElementType eTokenElem);
+
+    bool readToken();
+
+    static OUString reparse(sal_Unicode const * pBegin,
+                            sal_Unicode const * pEnd);
+
+public:
+    SvAddressParser_Impl(SvAddressParser * pParser, const OUString& rIn);
+};
+
+inline void SvAddressParser_Impl::reset()
+{
+    m_aOuterAddrSpec.reset();
+    m_aInnerAddrSpec.reset();
+    m_pAddrSpec = &m_aOuterAddrSpec;
+    m_eState = BEFORE_COLON;
+    m_eType = TOKEN_ATOM;
+}
+
+void SvAddressParser_Impl::addTokenToAddrSpec(ElementType eTokenElem)
+{
+    if (!m_pAddrSpec->m_pBegin)
+        m_pAddrSpec->m_pBegin = m_pCurTokenBegin;
+    else if (m_pAddrSpec->m_pEnd < m_pCurTokenBegin)
+        m_pAddrSpec->m_bReparse = true;
+    m_pAddrSpec->m_pEnd = m_pCurTokenEnd;
+    m_pAddrSpec->m_eLastElem = eTokenElem;
+}
+
+
+//  SvAddressParser_Impl
+
+
+bool SvAddressParser_Impl::readToken()
+{
+    m_nCurToken = m_eType;
+    switch (m_eType)
+    {
+        case TOKEN_QUOTED:
+        {
+            m_pCurTokenBegin = m_pInputPos - 1;
+            bool bEscaped = false;
+            for (;;)
+            {
+                if (m_pInputPos >= m_pInputEnd)
+                    return false;
+                sal_Unicode cChar = *m_pInputPos++;
+                if (bEscaped)
+                {
+                    bEscaped = false;
+                }
+                else if (cChar == '"')
+                {
+                    m_pCurTokenEnd = m_pInputPos;
+                    return true;
+                }
+                else if (cChar == '\\')
+                    bEscaped = true;
+            }
+        }
+
+        case TOKEN_DOMAIN:
+        {
+            m_pCurTokenBegin = m_pInputPos - 1;
+            bool bEscaped = false;
+            for (;;)
+            {
+                if (m_pInputPos >= m_pInputEnd)
+                    return false;
+                sal_Unicode cChar = *m_pInputPos++;
+                if (bEscaped)
+                    bEscaped = false;
+                else if (cChar == ']')
+                {
+                    m_pCurTokenEnd = m_pInputPos;
+                    return true;
+                }
+                else if (cChar == '\\')
+                    bEscaped = true;
+            }
+        }
+
+        case TOKEN_COMMENT:
+        {
+            m_pCurTokenBegin = m_pInputPos - 1;
+            bool bEscaped = false;
+            int nLevel = 0;
+            for (;;)
+            {
+                if (m_pInputPos >= m_pInputEnd)
+                    return false;
+                sal_Unicode cChar = *m_pInputPos++;
+                if (bEscaped)
+                {
+                    bEscaped = false;
+                }
+                else if (cChar == '(')
+                {
+                    ++nLevel;
+                }
+                else if (cChar == ')')
+                    if (nLevel)
+                    {
+                        --nLevel;
+                    }
+                    else
+                        return true;
+                else if (cChar == '\\')
+                {
+                    bEscaped = true;
+                }
+            }
+        }
+
+        default:
+        {
+            sal_Unicode cChar;
+            for (;;)
+            {
+                if (m_pInputPos >= m_pInputEnd)
+                    return false;
+                cChar = *m_pInputPos++;
+                if (cChar > ' ' && cChar != 0x7F) // DEL
+                    break;
+            }
+            m_pCurTokenBegin = m_pInputPos - 1;
+            if (cChar == '"' || cChar == '(' || cChar == ')' || cChar == ','
+                || cChar == '.' || cChar == ':' || cChar == ';'
+                || cChar == '<' || cChar == '>' || cChar == '@'
+                || cChar == '[' || cChar == '\\' || cChar == ']')
+            {
+                m_nCurToken = cChar;
+                m_pCurTokenEnd = m_pInputPos;
+                return true;
+            }
+            else
+                for (;;)
+                {
+                    if (m_pInputPos >= m_pInputEnd)
+                    {
+                        m_pCurTokenEnd = m_pInputPos;
+                        return true;
+                    }
+                    cChar = *m_pInputPos++;
+                    if (cChar <= ' ' || cChar == '"' || cChar == '('
+                        || cChar == ')' || cChar == ',' || cChar == '.'
+                        || cChar == ':' || cChar == ';' || cChar == '<'
+                        || cChar == '>' || cChar == '@' || cChar == '['
+                        || cChar == '\\' || cChar == ']'
+                        || cChar == 0x7F) // DEL
+                    {
+                        m_pCurTokenEnd = --m_pInputPos;
+                        return true;
+                    }
+                }
+        }
+    }
+}
+
+// static
+OUString SvAddressParser_Impl::reparse(sal_Unicode const * pBegin,
+                                       sal_Unicode const * pEnd)
+{
+    OUStringBuffer aResult;
+    TokenType eMode = TOKEN_ATOM;
+    bool bEscaped = false;
+    int nLevel = 0;
+    while (pBegin < pEnd)
+    {
+        sal_Unicode cChar = *pBegin++;
+        switch (eMode)
+        {
+        case TOKEN_QUOTED:
+            if (bEscaped)
+            {
+                aResult.append(cChar);
+                bEscaped = false;
+            }
+            else if (cChar == '"')
+            {
+                aResult.append(cChar);
+                eMode = TOKEN_ATOM;
+            }
+            else if (cChar == '\\')
+            {
+                aResult.append(cChar);
+                bEscaped = true;
+            }
+            else
+                aResult.append(cChar);
+            break;
+
+        case TOKEN_DOMAIN:
+            if (bEscaped)
+            {
+                aResult.append(cChar);
+                bEscaped = false;
+            }
+            else if (cChar == ']')
+            {
+                aResult.append(cChar);
+                eMode = TOKEN_ATOM;
+            }
+            else if (cChar == '\\')
+            {
+                aResult.append(cChar);
+                bEscaped = true;
+            }
+            else
+                aResult.append(cChar);
+            break;
+
+        case TOKEN_COMMENT:
+            if (bEscaped)
+                bEscaped = false;
+            else if (cChar == '(')
+                ++nLevel;
+            else if (cChar == ')')
+                if (nLevel)
+                    --nLevel;
+                else
+                    eMode = TOKEN_ATOM;
+            else if (cChar == '\\')
+                bEscaped = true;
+            break;
+
+        case TOKEN_ATOM:
+            if (cChar <= ' ' || cChar == 0x7F) // DEL
+            {
+            }
+            else if (cChar == '(')
+            {
+                eMode = TOKEN_COMMENT;
+            }
+            else
+            {
+                if (cChar == '"')
+                {
+                    aResult.append(cChar);
+                    eMode = TOKEN_QUOTED;
+                }
+                else if (cChar == '[')
+                {
+                    aResult.append(cChar);
+                    eMode = TOKEN_QUOTED;
+                }
+                else
+                    aResult.append(cChar);
+            }
+            break;
+        }
+    }
+    return aResult.makeStringAndClear();
+}
+
+SvAddressParser_Impl::SvAddressParser_Impl(SvAddressParser * pParser,
+                                           const OUString& rInput)
+    : m_pCurTokenBegin(nullptr)
+    , m_pCurTokenEnd(nullptr)
+{
+    m_pInputPos = rInput.getStr();
+    m_pInputEnd = m_pInputPos + rInput.getLength();
+
+    reset();
+    bool bDone = false;
+    for (;;)
+    {
+        if (!readToken())
+        {
+            if (m_eState == AFTER_LESS)
+                m_nCurToken = '>';
+            else
+            {
+                m_nCurToken = ',';
+                bDone = true;
+            }
+        }
+        switch (m_nCurToken)
+        {
+        case TOKEN_QUOTED:
+            if (m_pAddrSpec->m_eLastElem != ELEMENT_END)
+            {
+                if (m_pAddrSpec->m_bAtFound
+                    || m_pAddrSpec->m_eLastElem <= ELEMENT_DELIM)
+                    m_pAddrSpec->reset();
+                addTokenToAddrSpec(ELEMENT_ITEM);
+            }
+            m_eType = TOKEN_ATOM;
+            break;
+
+        case TOKEN_DOMAIN:
+            if (m_pAddrSpec->m_eLastElem != ELEMENT_END)
+            {
+                if (m_pAddrSpec->m_bAtFound && m_pAddrSpec->m_eLastElem == ELEMENT_DELIM)
+                    addTokenToAddrSpec(ELEMENT_ITEM);
+                else
+                    m_pAddrSpec->reset();
+            }
+            m_eType = TOKEN_ATOM;
+            break;
+
+        case TOKEN_COMMENT:
+            m_eType = TOKEN_ATOM;
+            break;
+
+        case TOKEN_ATOM:
+            if (m_pAddrSpec->m_eLastElem != ELEMENT_END)
+            {
+                if (m_pAddrSpec->m_eLastElem != ELEMENT_DELIM)
+                    m_pAddrSpec->reset();
+                addTokenToAddrSpec(ELEMENT_ITEM);
+            }
+            break;
+
+        case '(':
+            m_eType = TOKEN_COMMENT;
+            break;
+
+        case ')':
+        case '\\':
+        case ']':
+            m_pAddrSpec->finish();
+            break;
+
+        case '<':
+            switch (m_eState)
+            {
+            case BEFORE_COLON:
+            case BEFORE_LESS:
+                m_aOuterAddrSpec.finish();
+                m_pAddrSpec = &m_aInnerAddrSpec;
+                m_eState = AFTER_LESS;
+                break;
+
+            case AFTER_LESS:
+                m_aInnerAddrSpec.finish();
+                break;
+
+            case AFTER_GREATER:
+                m_aOuterAddrSpec.finish();
+                break;
+            }
+            break;
+
+        case '>':
+            if (m_eState == AFTER_LESS)
+            {
+                m_aInnerAddrSpec.finish();
+                if (m_aInnerAddrSpec.isValid())
+                    m_aOuterAddrSpec.m_eLastElem = ELEMENT_END;
+                m_pAddrSpec = &m_aOuterAddrSpec;
+                m_eState = AFTER_GREATER;
+            }
+            else
+            {
+                m_aOuterAddrSpec.finish();
+            }
+            break;
+
+        case '@':
+            if (m_pAddrSpec->m_eLastElem != ELEMENT_END)
+            {
+                if (!m_pAddrSpec->m_bAtFound
+                    && m_pAddrSpec->m_eLastElem == ELEMENT_ITEM)
+                {
+                    addTokenToAddrSpec(ELEMENT_DELIM);
+                    m_pAddrSpec->m_bAtFound = true;
+                }
+                else
+                    m_pAddrSpec->reset();
+            }
+            break;
+
+        case ',':
+        case ';':
+            if (m_eState == AFTER_LESS)
+                if (m_nCurToken == ',')
+                {
+                    if (m_aInnerAddrSpec.m_eLastElem != ELEMENT_END)
+                        m_aInnerAddrSpec.reset();
+                }
+                else
+                    m_aInnerAddrSpec.finish();
+            else
+            {
+                if(m_aInnerAddrSpec.isValid() || (!m_aOuterAddrSpec.isValid() && m_aInnerAddrSpec.isPoorlyValid()))
+                {
+                    m_pAddrSpec = &m_aInnerAddrSpec;
+                }
+                else if(m_aOuterAddrSpec.isPoorlyValid())
+                {
+                    m_pAddrSpec = &m_aOuterAddrSpec;
+                }
+                else
+                {
+                    m_pAddrSpec = nullptr;
+                }
+
+                if (m_pAddrSpec)
+                {
+                    OUString aTheAddrSpec;
+                    if (m_pAddrSpec->m_bReparse)
+                        aTheAddrSpec = reparse(m_pAddrSpec->m_pBegin, m_pAddrSpec->m_pEnd);
+                    else
+                    {
+                        sal_Int32 nLen = m_pAddrSpec->m_pEnd - m_pAddrSpec->m_pBegin;
+                        if (nLen == rInput.getLength())
+                            aTheAddrSpec = rInput;
+                        else
+                            aTheAddrSpec = rInput.copy( (m_pAddrSpec->m_pBegin - rInput.getStr()),
+                                                        nLen);
+                    }
+                    pParser->m_vAddresses.emplace_back( aTheAddrSpec );
+                }
+                if (bDone)
+                    return;
+                reset();
+            }
+            break;
+
+        case ':':
+            switch (m_eState)
+            {
+            case BEFORE_COLON:
+                m_aOuterAddrSpec.reset();
+                m_eState = BEFORE_LESS;
+                break;
+
+            case BEFORE_LESS:
+            case AFTER_GREATER:
+                m_aOuterAddrSpec.finish();
+                break;
+
+            case AFTER_LESS:
+                m_aInnerAddrSpec.reset();
+                break;
+            }
+            break;
+
+        case '"':
+            m_eType = TOKEN_QUOTED;
+            break;
+
+        case '.':
+            if (m_pAddrSpec->m_eLastElem != ELEMENT_END)
+            {
+                if (m_pAddrSpec->m_eLastElem != ELEMENT_DELIM)
+                    addTokenToAddrSpec(ELEMENT_DELIM);
+                else
+                    m_pAddrSpec->reset();
+            }
+            break;
+
+        case '[':
+            m_eType = TOKEN_DOMAIN;
+            break;
+        }
+    }
+}
+
+SvAddressParser::SvAddressParser(const OUString& rInput)
+{
+    SvAddressParser_Impl aDoParse(this, rInput);
+}
+
+SvAddressParser::~SvAddressParser()
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/documentlockfile.cxx b/svl/source/misc/documentlockfile.cxx
new file mode 100644
index 0000000000..31cbd19693
--- /dev/null
+++ b/svl/source/misc/documentlockfile.cxx
@@ -0,0 +1,226 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#include <com/sun/star/ucb/InsertCommandArgument.hpp>
+#include <com/sun/star/ucb/NameClashException.hpp>
+#include <com/sun/star/io/WrongFormatException.hpp>
+#include <com/sun/star/io/TempFile.hpp>
+#include <com/sun/star/io/XStream.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+#include <com/sun/star/io/XTruncate.hpp>
+
+#include <o3tl/enumrange.hxx>
+
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <comphelper/processfactory.hxx>
+
+#include <ucbhelper/content.hxx>
+
+#include <svl/documentlockfile.hxx>
+
+using namespace ::com::sun::star;
+
+namespace svt {
+
+GenDocumentLockFile::GenDocumentLockFile(const OUString& aLockFileURL)
+    : LockFileCommon(aLockFileURL)
+{
+}
+
+
+GenDocumentLockFile::~GenDocumentLockFile()
+{
+}
+
+uno::Reference< io::XInputStream > GenDocumentLockFile::OpenStream(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    uno::Reference < css::ucb::XCommandEnvironment > xEnv;
+    ::ucbhelper::Content aSourceContent( GetURL(), xEnv, comphelper::getProcessComponentContext() );
+
+    // the file can be opened readonly, no locking will be done
+    return aSourceContent.openStream();
+}
+
+bool GenDocumentLockFile::CreateOwnLockFile()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    try
+    {
+        uno::Reference< io::XStream > xTempFile(
+            io::TempFile::create( comphelper::getProcessComponentContext() ),
+            uno::UNO_QUERY_THROW );
+        uno::Reference< io::XSeekable > xSeekable( xTempFile, uno::UNO_QUERY_THROW );
+
+        uno::Reference< io::XInputStream > xInput = xTempFile->getInputStream();
+        uno::Reference< io::XOutputStream > xOutput = xTempFile->getOutputStream();
+
+        if ( !xInput.is() || !xOutput.is() )
+            throw uno::RuntimeException();
+
+        LockFileEntry aNewEntry = GenerateOwnEntry();
+        WriteEntryToStream( aGuard, aNewEntry, xOutput );
+        xOutput->closeOutput();
+
+        xSeekable->seek( 0 );
+
+        uno::Reference < css::ucb::XCommandEnvironment > xEnv;
+        ::ucbhelper::Content aTargetContent( GetURL(), xEnv, comphelper::getProcessComponentContext() );
+
+        ucb::InsertCommandArgument aInsertArg;
+        aInsertArg.Data = xInput;
+        aInsertArg.ReplaceExisting = false;
+        uno::Any aCmdArg;
+        aCmdArg <<= aInsertArg;
+        aTargetContent.executeCommand( "insert", aCmdArg );
+
+        // try to let the file be hidden if possible
+        try {
+            aTargetContent.setPropertyValue("IsHidden", uno::Any( true ) );
+        } catch( uno::Exception& ) {}
+    }
+    catch( ucb::NameClashException& )
+    {
+        return false;
+    }
+
+    return true;
+}
+
+bool GenDocumentLockFile::OverwriteOwnLockFile()
+{
+    std::unique_lock aGuard(m_aMutex);
+
+    // allows to overwrite the lock file with the current data
+    try
+    {
+        uno::Reference < css::ucb::XCommandEnvironment > xEnv;
+        ::ucbhelper::Content aTargetContent( GetURL(), xEnv, comphelper::getProcessComponentContext() );
+
+        LockFileEntry aNewEntry = GenerateOwnEntry();
+
+        uno::Reference< io::XStream > xStream = aTargetContent.openWriteableStreamNoLock();
+        uno::Reference< io::XOutputStream > xOutput = xStream->getOutputStream();
+        uno::Reference< io::XTruncate > xTruncate( xOutput, uno::UNO_QUERY_THROW );
+
+        xTruncate->truncate();
+        WriteEntryToStream( aGuard, aNewEntry, xOutput );
+        xOutput->closeOutput();
+    }
+    catch( uno::Exception& )
+    {
+        return false;
+    }
+
+    return true;
+}
+
+void GenDocumentLockFile::RemoveFile()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    // TODO/LATER: the removing is not atomic, is it possible in general to make it atomic?
+    LockFileEntry aNewEntry = GenerateOwnEntry();
+    LockFileEntry aFileData = GetLockDataImpl(aGuard);
+
+    if ( aFileData[LockFileComponent::SYSUSERNAME] != aNewEntry[LockFileComponent::SYSUSERNAME]
+      || aFileData[LockFileComponent::LOCALHOST] != aNewEntry[LockFileComponent::LOCALHOST]
+      || aFileData[LockFileComponent::USERURL] != aNewEntry[LockFileComponent::USERURL] )
+        throw io::IOException(); // not the owner, access denied
+
+    RemoveFileDirectly();
+}
+
+void GenDocumentLockFile::RemoveFileDirectly()
+{
+    uno::Reference < css::ucb::XCommandEnvironment > xEnv;
+    ::ucbhelper::Content aCnt(GetURL(), xEnv, comphelper::getProcessComponentContext());
+    aCnt.executeCommand("delete",
+        uno::Any(true));
+}
+
+LockFileEntry GenDocumentLockFile::GetLockData()
+{
+    std::unique_lock aGuard(m_aMutex);
+    return GetLockDataImpl(aGuard);
+}
+
+DocumentLockFile::DocumentLockFile( std::u16string_view aOrigURL )
+    : GenDocumentLockFile(GenerateOwnLockFileURL(aOrigURL, u".~lock."))
+{
+}
+
+
+DocumentLockFile::~DocumentLockFile()
+{
+}
+
+
+void DocumentLockFile::WriteEntryToStream(
+    std::unique_lock<std::mutex>& /*rGuard*/,
+    const LockFileEntry& aEntry, const uno::Reference< io::XOutputStream >& xOutput )
+{
+    OUStringBuffer aBuffer(256);
+
+    for ( LockFileComponent lft : o3tl::enumrange<LockFileComponent>() )
+    {
+        aBuffer.append( EscapeCharacters( aEntry[lft] ) );
+        if ( lft < LockFileComponent::LAST )
+            aBuffer.append( ',' );
+        else
+            aBuffer.append( ';' );
+    }
+
+    OString aStringData( OUStringToOString( aBuffer, RTL_TEXTENCODING_UTF8 ) );
+    uno::Sequence< sal_Int8 > aData( reinterpret_cast<sal_Int8 const *>(aStringData.getStr()), aStringData.getLength() );
+    xOutput->writeBytes( aData );
+}
+
+LockFileEntry DocumentLockFile::GetLockDataImpl(std::unique_lock<std::mutex>& rGuard)
+{
+    uno::Reference< io::XInputStream > xInput = OpenStream(rGuard);
+    if ( !xInput.is() )
+        throw uno::RuntimeException();
+
+    const sal_Int32 nBufLen = 32000;
+    uno::Sequence< sal_Int8 > aBuffer( nBufLen );
+
+    sal_Int32 nRead = xInput->readBytes( aBuffer, nBufLen );
+    xInput->closeInput();
+
+    if ( nRead == nBufLen )
+        throw io::WrongFormatException();
+
+    sal_Int32 nCurPos = 0;
+    return ParseEntry( aBuffer, nCurPos );
+}
+
+
+
+
+} // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/filenotation.cxx b/svl/source/misc/filenotation.cxx
new file mode 100644
index 0000000000..c4337708bc
--- /dev/null
+++ b/svl/source/misc/filenotation.cxx
@@ -0,0 +1,122 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/filenotation.hxx>
+#include <osl/file.h>
+#include <osl/diagnose.h>
+#include <tools/urlobj.hxx>
+
+namespace svt
+{
+
+    OFileNotation::OFileNotation( const OUString& _rUrlOrPath )
+    {
+        construct( _rUrlOrPath );
+    }
+
+    OFileNotation::OFileNotation( const OUString& _rUrlOrPath, NOTATION _eInputNotation )
+    {
+        if ( _eInputNotation == N_URL )
+        {
+            INetURLObject aParser( _rUrlOrPath );
+            if ( aParser.GetProtocol() == INetProtocol::File )
+                implInitWithURLNotation( _rUrlOrPath );
+            else
+                m_sSystem = m_sFileURL = _rUrlOrPath;
+        }
+        else
+            implInitWithSystemNotation( _rUrlOrPath );
+    }
+
+    bool OFileNotation::implInitWithSystemNotation( const OUString& _rSystemPath )
+    {
+        bool bSuccess = false;
+
+        m_sSystem = _rSystemPath;
+        if  (  ( osl_File_E_None != osl_getFileURLFromSystemPath( m_sSystem.pData, &m_sFileURL.pData ) )
+            && ( m_sFileURL.isEmpty() )
+            )
+        {
+            if ( !_rSystemPath.isEmpty() )
+            {
+                INetURLObject aSmartParser;
+                aSmartParser.SetSmartProtocol( INetProtocol::File );
+                if ( aSmartParser.SetSmartURL( _rSystemPath ) )
+                {
+                    m_sFileURL = aSmartParser.GetMainURL( INetURLObject::DecodeMechanism::NONE );
+                    osl_getSystemPathFromFileURL( m_sFileURL.pData, &m_sSystem.pData );
+                    bSuccess = true;
+                }
+            }
+        }
+        else
+            bSuccess = true;
+        return bSuccess;
+    }
+
+    void OFileNotation::implInitWithURLNotation( const OUString& _rURL )
+    {
+        m_sFileURL = _rURL;
+        osl_getSystemPathFromFileURL( _rURL.pData, &m_sSystem.pData );
+    }
+
+    void OFileNotation::construct( const OUString& _rUrlOrPath )
+    {
+        bool bSuccess = false;
+        // URL notation?
+        INetURLObject aParser( _rUrlOrPath );
+        switch ( aParser.GetProtocol() )
+        {
+            case INetProtocol::File:
+                // file URL
+                implInitWithURLNotation( _rUrlOrPath );
+                bSuccess = true;
+                break;
+
+            case INetProtocol::NotValid:
+                // assume system notation
+                bSuccess = implInitWithSystemNotation( _rUrlOrPath );
+                break;
+
+            default:
+                // it's a known scheme, but no file-URL -> assume that both the URL representation and the
+                // system representation are the URL itself
+                m_sSystem = m_sFileURL = _rUrlOrPath;
+                bSuccess = true;
+                break;
+        }
+
+        OSL_ENSURE( bSuccess, "OFileNotation::OFileNotation: could not detect the format!" );
+    }
+
+    OUString OFileNotation::get(NOTATION _eOutputNotation) const
+    {
+        switch (_eOutputNotation)
+        {
+            case N_SYSTEM: return m_sSystem;
+            case N_URL: return m_sFileURL;
+        }
+
+        OSL_FAIL("OFileNotation::get: invalid enum value!");
+        return OUString();
+    }
+
+}   // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/fstathelper.cxx b/svl/source/misc/fstathelper.cxx
new file mode 100644
index 0000000000..6530ff7244
--- /dev/null
+++ b/svl/source/misc/fstathelper.cxx
@@ -0,0 +1,94 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/util/DateTime.hpp>
+#include <comphelper/processfactory.hxx>
+#include <o3tl/any.hxx>
+#include <rtl/ustring.hxx>
+#include <svl/fstathelper.hxx>
+#include <tools/date.hxx>
+#include <tools/time.hxx>
+#include <ucbhelper/content.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::ucb;
+
+bool FStatHelper::GetModifiedDateTimeOfFile( const OUString& rURL,
+                                        Date* pDate, tools::Time* pTime )
+{
+    bool bRet = false;
+    try
+    {
+        ::ucbhelper::Content aTestContent( rURL,
+                                uno::Reference< XCommandEnvironment > (),
+                                comphelper::getProcessComponentContext());
+        uno::Any aAny = aTestContent.getPropertyValue(
+            "DateModified" );
+        if( aAny.hasValue() )
+        {
+            bRet = true;
+            auto pDT = o3tl::doAccess<util::DateTime>(aAny);
+            if( pDate )
+                *pDate = Date( pDT->Day, pDT->Month, pDT->Year );
+            if( pTime )
+                *pTime = tools::Time( pDT->Hours, pDT->Minutes,
+                               pDT->Seconds, pDT->NanoSeconds );
+        }
+    }
+    catch(...)
+    {
+    }
+
+    return bRet;
+}
+
+bool FStatHelper::IsDocument( const OUString& rURL )
+{
+    bool bExist = false;
+    try
+    {
+        ::ucbhelper::Content aTestContent( rURL,
+                                uno::Reference< XCommandEnvironment > (),
+                                comphelper::getProcessComponentContext());
+        bExist = aTestContent.isDocument();
+    }
+    catch(...)
+    {
+    }
+    return bExist;
+}
+
+bool FStatHelper::IsFolder( const OUString& rURL )
+{
+    bool bExist = false;
+    try
+    {
+        ::ucbhelper::Content aTestContent( rURL,
+                                uno::Reference< XCommandEnvironment > (),
+                                comphelper::getProcessComponentContext());
+        bExist = aTestContent.isFolder();
+    }
+    catch(...)
+    {
+    }
+    return bExist;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/getstringresource.cxx b/svl/source/misc/getstringresource.cxx
new file mode 100644
index 0000000000..6b066c24da
--- /dev/null
+++ b/svl/source/misc/getstringresource.cxx
@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <rtl/ustring.hxx>
+#include <svl/svlresid.hxx>
+#include <unotools/resmgr.hxx>
+
+OUString SvlResId(TranslateId sContextAndId)
+{
+    return Translate::get(sContextAndId, Translate::Create("svl"));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/gridprinter.cxx b/svl/source/misc/gridprinter.cxx
new file mode 100644
index 0000000000..c6a1bdd5f9
--- /dev/null
+++ b/svl/source/misc/gridprinter.cxx
@@ -0,0 +1,133 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/gridprinter.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <mdds/multi_type_vector/types.hpp>
+#include <mdds/multi_type_vector/macro.hpp>
+#include <mdds/multi_type_matrix.hpp>
+
+#include <iostream>
+
+namespace svl {
+
+// String ID
+const mdds::mtv::element_t element_type_string = mdds::mtv::element_type_user_start;
+// String block
+typedef mdds::mtv::default_element_block<element_type_string, OUString> string_block;
+
+namespace {
+
+struct matrix_traits
+{
+    typedef string_block string_element_block;
+    typedef mdds::mtv::uint16_element_block integer_element_block;
+};
+
+}
+
+}
+
+namespace rtl {
+
+// Callbacks for the string block. This needs to be in the same namespace as
+// OUString for argument dependent lookup.
+MDDS_MTV_DEFINE_ELEMENT_CALLBACKS(OUString, svl::element_type_string, OUString(), svl::string_block)
+
+}
+
+namespace svl {
+
+typedef mdds::multi_type_matrix<matrix_traits> MatrixImplType;
+
+struct GridPrinter::Impl
+{
+    MatrixImplType maMatrix;
+    bool mbPrint;
+
+    Impl( size_t nRows, size_t nCols, bool bPrint ) :
+        maMatrix(nRows, nCols, OUString()), mbPrint(bPrint) {}
+};
+
+GridPrinter::GridPrinter( size_t nRows, size_t nCols, bool bPrint ) :
+    mpImpl(new Impl(nRows, nCols, bPrint)) {}
+
+GridPrinter::~GridPrinter()
+{
+}
+
+void GridPrinter::set( size_t nRow, size_t nCol, const OUString& rStr )
+{
+#if defined __GNUC__ && !defined __clang__ && __GNUC__ == 12 && __cplusplus == 202002L
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Warray-bounds"
+#endif
+    mpImpl->maMatrix.set(nRow, nCol, rStr);
+#if defined __GNUC__ && !defined __clang__ && __GNUC__ == 12 && __cplusplus == 202002L
+#pragma GCC diagnostic pop
+#endif
+}
+
+void GridPrinter::print( const char* pHeader ) const
+{
+    if (!mpImpl->mbPrint)
+        return;
+
+    if (pHeader)
+        std::cout << pHeader << std::endl;
+
+    MatrixImplType::size_pair_type ns = mpImpl->maMatrix.size();
+    std::vector<sal_Int32> aColWidths(ns.column, 0);
+
+    // Calculate column widths first.
+    for (size_t row = 0; row < ns.row; ++row)
+    {
+        for (size_t col = 0; col < ns.column; ++col)
+        {
+            OUString aStr = mpImpl->maMatrix.get_string(row, col);
+            if (aColWidths[col] < aStr.getLength())
+                aColWidths[col] = aStr.getLength();
+        }
+    }
+
+    // Make the row separator string.
+    OUStringBuffer aBuf("+");
+    for (size_t col = 0; col < ns.column; ++col)
+    {
+        aBuf.append("-");
+        for (sal_Int32 i = 0; i < aColWidths[col]; ++i)
+            aBuf.append(u'-');
+        aBuf.append("-+");
+    }
+
+    OUString aSep = aBuf.makeStringAndClear();
+
+    // Now print to stdout.
+    std::cout << aSep << std::endl;
+    for (size_t row = 0; row < ns.row; ++row)
+    {
+        std::cout << "| ";
+        for (size_t col = 0; col < ns.column; ++col)
+        {
+            OUString aStr = mpImpl->maMatrix.get_string(row, col);
+            size_t nPadding = aColWidths[col] - aStr.getLength();
+            aBuf.append(aStr);
+            for (size_t i = 0; i < nPadding; ++i)
+                aBuf.append(u' ');
+            std::cout << aBuf.makeStringAndClear() << " | ";
+        }
+        std::cout << std::endl;
+        std::cout << aSep << std::endl;
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/inethist.cxx b/svl/source/misc/inethist.cxx
new file mode 100644
index 0000000000..dc25d6b0b5
--- /dev/null
+++ b/svl/source/misc/inethist.cxx
@@ -0,0 +1,371 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/inethist.hxx>
+
+#include <algorithm>
+#include <string.h>
+
+#include <rtl/crc.h>
+#include <tools/debug.hxx>
+#include <tools/urlobj.hxx>
+
+/*
+ * INetURLHistory internals.
+ */
+#define INETHIST_DEF_FTP_PORT    21
+#define INETHIST_DEF_HTTP_PORT   80
+#define INETHIST_DEF_HTTPS_PORT 443
+
+#define INETHIST_SIZE_LIMIT   1024
+#define INETHIST_MAGIC_HEAD   0x484D4849UL
+
+class INetURLHistory_Impl
+{
+    struct head_entry
+    {
+        /** Representation.
+        */
+        sal_uInt32 m_nMagic;
+        sal_uInt16 m_nNext;
+
+        /** Initialization.
+        */
+        void initialize()
+        {
+            m_nMagic = INETHIST_MAGIC_HEAD;
+            m_nNext  = 0;
+        }
+    };
+
+    struct hash_entry
+    {
+        /** Representation.
+        */
+        sal_uInt32 m_nHash;
+        sal_uInt16 m_nLru;
+
+        /** Initialization.
+        */
+        void initialize (sal_uInt16 nLru)
+        {
+            m_nHash = 0;
+            m_nLru  = nLru;
+        }
+
+        /** Comparison.
+        */
+        bool operator== (sal_uInt32 nHash) const
+        {
+            return (m_nHash == nHash);
+        }
+        bool operator< (sal_uInt32 nHash) const
+        {
+            return (m_nHash < nHash);
+        }
+    };
+
+    struct lru_entry
+    {
+        /** Representation.
+        */
+        sal_uInt32 m_nHash;
+        sal_uInt16 m_nNext;
+        sal_uInt16 m_nPrev;
+
+        /** Initialization.
+        */
+        void initialize (sal_uInt16 nThis)
+        {
+            m_nHash = 0;
+            m_nNext = nThis;
+            m_nPrev = nThis;
+        }
+    };
+
+    /** Representation.
+    */
+    head_entry m_aHead;
+    hash_entry m_pHash[INETHIST_SIZE_LIMIT];
+    lru_entry  m_pList[INETHIST_SIZE_LIMIT];
+
+    /** Initialization.
+    */
+    void initialize();
+
+    static sal_uInt16 capacity()
+    {
+        return sal_uInt16(INETHIST_SIZE_LIMIT);
+    }
+
+    static sal_uInt32 crc32 (OUString const & rData)
+    {
+        return rtl_crc32 (0, rData.getStr(), rData.getLength() * sizeof(sal_Unicode));
+    }
+
+    sal_uInt16 find (sal_uInt32 nHash) const;
+
+    void move (sal_uInt16 nSI, sal_uInt16 nDI);
+
+    void backlink (sal_uInt16 nThis, sal_uInt16 nTail)
+    {
+        lru_entry &rThis = m_pList[nThis];
+        lru_entry &rTail = m_pList[nTail];
+
+        rTail.m_nNext = nThis;
+        rTail.m_nPrev = rThis.m_nPrev;
+        rThis.m_nPrev = nTail;
+        m_pList[rTail.m_nPrev].m_nNext = nTail;
+    }
+
+    void unlink (sal_uInt16 nThis)
+    {
+        lru_entry &rThis = m_pList[nThis];
+
+        m_pList[rThis.m_nPrev].m_nNext = rThis.m_nNext;
+        m_pList[rThis.m_nNext].m_nPrev = rThis.m_nPrev;
+        rThis.m_nNext = nThis;
+        rThis.m_nPrev = nThis;
+    }
+
+public:
+    INetURLHistory_Impl();
+    INetURLHistory_Impl(const INetURLHistory_Impl&) = delete;
+    INetURLHistory_Impl& operator=(const INetURLHistory_Impl&) = delete;
+
+    /** putUrl/queryUrl.
+    */
+    void putUrl   (const OUString &rUrl);
+    bool queryUrl (const OUString &rUrl) const;
+};
+
+INetURLHistory_Impl::INetURLHistory_Impl()
+{
+    initialize();
+}
+
+void INetURLHistory_Impl::initialize()
+{
+    m_aHead.initialize();
+
+    sal_uInt16 i, n = capacity();
+    for (i = 0; i < n; i++)
+        m_pHash[i].initialize(i);
+    for (i = 0; i < n; i++)
+        m_pList[i].initialize(i);
+    for (i = 1; i < n; i++)
+        backlink (m_aHead.m_nNext, i);
+}
+
+sal_uInt16 INetURLHistory_Impl::find (sal_uInt32 nHash) const
+{
+    sal_uInt16 l = 0;
+    sal_uInt16 r = capacity() - 1;
+    sal_uInt16 c = capacity();
+
+    while ((l < r) && (r < c))
+    {
+        sal_uInt16 m = (l + r) / 2;
+        if (m_pHash[m] == nHash)
+            return m;
+
+        if (m_pHash[m] < nHash)
+            l = m + 1;
+        else
+            r = m - 1;
+    }
+    return l;
+}
+
+void INetURLHistory_Impl::move (sal_uInt16 nSI, sal_uInt16 nDI)
+{
+    hash_entry e = m_pHash[nSI];
+    if (nSI < nDI)
+    {
+        // shift left.
+        memmove (
+            &m_pHash[nSI    ],
+            &m_pHash[nSI + 1],
+            (nDI - nSI) * sizeof(hash_entry));
+    }
+    if (nSI > nDI)
+    {
+        // shift right.
+        memmove (
+            &m_pHash[nDI + 1],
+            &m_pHash[nDI    ],
+            (nSI - nDI) * sizeof(hash_entry));
+    }
+    m_pHash[nDI] = e;
+}
+
+void INetURLHistory_Impl::putUrl (const OUString &rUrl)
+{
+    sal_uInt32 h = crc32 (rUrl);
+    sal_uInt16 k = find (h);
+    if ((k < capacity()) && (m_pHash[k] == h))
+    {
+        // Cache hit.
+        sal_uInt16 nMRU = m_pHash[k].m_nLru;
+        if (nMRU != m_aHead.m_nNext)
+        {
+            // Update LRU chain.
+            unlink (nMRU);
+            backlink (m_aHead.m_nNext, nMRU);
+
+            // Rotate LRU chain.
+            m_aHead.m_nNext = m_pList[m_aHead.m_nNext].m_nPrev;
+        }
+    }
+    else
+    {
+        // Cache miss. Obtain least recently used.
+        sal_uInt16 nLRU = m_pList[m_aHead.m_nNext].m_nPrev;
+
+        sal_uInt16 nSI = find (m_pList[nLRU].m_nHash);
+        if (nLRU != m_pHash[nSI].m_nLru)
+        {
+            // Update LRU chain.
+            nLRU = m_pHash[nSI].m_nLru;
+            unlink (nLRU);
+            backlink (m_aHead.m_nNext, nLRU);
+        }
+
+        // Rotate LRU chain.
+        m_aHead.m_nNext = m_pList[m_aHead.m_nNext].m_nPrev;
+
+        // Check source and destination.
+        sal_uInt16 nDI = std::min (k, sal_uInt16(capacity() - 1));
+        if (nSI < nDI && !(m_pHash[nDI] < h))
+            nDI -= 1;
+        if (nDI < nSI && m_pHash[nDI] < h)
+            nDI += 1;
+
+        // Assign data.
+        m_pList[m_aHead.m_nNext].m_nHash = m_pHash[nSI].m_nHash = h;
+        move (nSI, nDI);
+    }
+}
+
+bool INetURLHistory_Impl::queryUrl (const OUString &rUrl) const
+{
+    sal_uInt32 h = crc32 (rUrl);
+    sal_uInt16 k = find (h);
+    // true if cache hit
+    return (k < capacity()) && (m_pHash[k] == h);
+}
+
+INetURLHistory::INetURLHistory() : m_pImpl (new INetURLHistory_Impl())
+{
+}
+
+INetURLHistory::~INetURLHistory()
+{
+}
+
+/*
+ * GetOrCreate.
+ */
+INetURLHistory* INetURLHistory::GetOrCreate()
+{
+    static INetURLHistory instance;
+    return &instance;
+}
+
+void INetURLHistory::NormalizeUrl_Impl (INetURLObject &rUrl)
+{
+    switch (rUrl.GetProtocol())
+    {
+        case INetProtocol::File:
+            if (!INetURLObject::IsCaseSensitive())
+            {
+                OUString aPath (rUrl.GetURLPath(INetURLObject::DecodeMechanism::NONE).toAsciiLowerCase());
+                rUrl.SetURLPath (aPath, INetURLObject::EncodeMechanism::NotCanonical);
+            }
+            break;
+
+        case INetProtocol::Ftp:
+            if (!rUrl.HasPort())
+                rUrl.SetPort (INETHIST_DEF_FTP_PORT);
+            break;
+
+        case INetProtocol::Http:
+            if (!rUrl.HasPort())
+                rUrl.SetPort (INETHIST_DEF_HTTP_PORT);
+            if (!rUrl.HasURLPath())
+                rUrl.SetURLPath(u"/");
+            break;
+
+        case INetProtocol::Https:
+            if (!rUrl.HasPort())
+                rUrl.SetPort (INETHIST_DEF_HTTPS_PORT);
+            if (!rUrl.HasURLPath())
+                rUrl.SetURLPath(u"/");
+            break;
+
+        default:
+            break;
+    }
+}
+
+void INetURLHistory::PutUrl_Impl (const INetURLObject &rUrl)
+{
+    DBG_ASSERT (m_pImpl, "PutUrl_Impl(): no Implementation");
+    if (!m_pImpl)
+        return;
+
+    INetURLObject aHistUrl (rUrl);
+    NormalizeUrl_Impl (aHistUrl);
+
+    m_pImpl->putUrl (aHistUrl.GetMainURL(INetURLObject::DecodeMechanism::NONE));
+    Broadcast (INetURLHistoryHint (&rUrl));
+
+    if (aHistUrl.HasMark())
+    {
+        aHistUrl.SetURL (aHistUrl.GetURLNoMark(INetURLObject::DecodeMechanism::NONE),
+                         INetURLObject::EncodeMechanism::NotCanonical);
+
+        m_pImpl->putUrl (aHistUrl.GetMainURL(INetURLObject::DecodeMechanism::NONE));
+        Broadcast (INetURLHistoryHint (&aHistUrl));
+    }
+}
+
+bool INetURLHistory::QueryUrl(std::u16string_view rUrl) const
+{
+    INetProtocol eProto = INetURLObject::CompareProtocolScheme (rUrl);
+    if (!QueryProtocol (eProto))
+        return false;
+    return QueryUrl_Impl( INetURLObject(rUrl) );
+}
+
+
+bool INetURLHistory::QueryUrl_Impl (INetURLObject rUrl) const
+{
+    DBG_ASSERT (m_pImpl, "QueryUrl_Impl(): no Implementation");
+    if (m_pImpl)
+    {
+        NormalizeUrl_Impl (rUrl);
+
+        return m_pImpl->queryUrl (rUrl.GetMainURL(INetURLObject::DecodeMechanism::NONE));
+    }
+    return false;
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/inettype.cxx b/svl/source/misc/inettype.cxx
new file mode 100644
index 0000000000..da6c86f5d9
--- /dev/null
+++ b/svl/source/misc/inettype.cxx
@@ -0,0 +1,443 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <array>
+
+#include <tools/debug.hxx>
+#include <tools/wldcrd.hxx>
+#include <tools/inetmime.hxx>
+#include <o3tl/string_view.hxx>
+#include <osl/diagnose.h>
+#include <svl/inettype.hxx>
+
+namespace
+{
+
+struct MediaTypeEntry
+{
+    OUString    m_pTypeName;
+    INetContentType m_eTypeID;
+};
+
+
+MediaTypeEntry const * seekEntry(OUString const & rTypeName,
+                                 MediaTypeEntry const * pMap, std::size_t nSize);
+
+/** A mapping from type names to type ids and extensions.  Sorted by type
+    name.
+ */
+MediaTypeEntry const aStaticTypeNameMap[CONTENT_TYPE_LAST + 1]
+    = { { " ", CONTENT_TYPE_UNKNOWN },
+        { CONTENT_TYPE_STR_X_CNT_FSYSBOX, CONTENT_TYPE_X_CNT_FSYSBOX },
+        { CONTENT_TYPE_STR_X_CNT_FSYSFOLDER, CONTENT_TYPE_X_CNT_FSYSFOLDER },
+        { CONTENT_TYPE_STR_X_CNT_FSYSSPECIALFOLDER, CONTENT_TYPE_X_CNT_FSYSSPECIALFOLDER },
+        { CONTENT_TYPE_STR_APP_OCTSTREAM, CONTENT_TYPE_APP_OCTSTREAM },
+        { CONTENT_TYPE_STR_APP_PDF, CONTENT_TYPE_APP_PDF },
+        { CONTENT_TYPE_STR_APP_RTF, CONTENT_TYPE_APP_RTF },
+        { CONTENT_TYPE_STR_APP_VND_CALC, CONTENT_TYPE_APP_VND_CALC },
+        { CONTENT_TYPE_STR_APP_VND_CHART, CONTENT_TYPE_APP_VND_CHART },
+        { CONTENT_TYPE_STR_APP_VND_DRAW, CONTENT_TYPE_APP_VND_DRAW },
+        { CONTENT_TYPE_STR_APP_VND_IMAGE, CONTENT_TYPE_APP_VND_IMAGE },
+        { CONTENT_TYPE_STR_APP_VND_IMPRESS, CONTENT_TYPE_APP_VND_IMPRESS },
+        { CONTENT_TYPE_STR_APP_VND_IMPRESSPACKED, CONTENT_TYPE_APP_VND_IMPRESSPACKED },
+        { CONTENT_TYPE_STR_APP_VND_MAIL, CONTENT_TYPE_APP_VND_MAIL },
+        { CONTENT_TYPE_STR_APP_VND_MATH, CONTENT_TYPE_APP_VND_MATH },
+        { CONTENT_TYPE_STR_APP_VND_NEWS, CONTENT_TYPE_APP_VND_NEWS },
+        { CONTENT_TYPE_STR_APP_VND_OUTTRAY, CONTENT_TYPE_APP_VND_OUTTRAY },
+        { CONTENT_TYPE_STR_APP_VND_TEMPLATE, CONTENT_TYPE_APP_VND_TEMPLATE },
+        { CONTENT_TYPE_STR_APP_VND_WRITER, CONTENT_TYPE_APP_VND_WRITER },
+        { CONTENT_TYPE_STR_APP_VND_WRITER_GLOBAL, CONTENT_TYPE_APP_VND_WRITER_GLOBAL },
+        { CONTENT_TYPE_STR_APP_VND_WRITER_WEB, CONTENT_TYPE_APP_VND_WRITER_WEB },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_CALC, CONTENT_TYPE_APP_VND_SUN_XML_CALC },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_CHART, CONTENT_TYPE_APP_VND_SUN_XML_CHART },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_DRAW, CONTENT_TYPE_APP_VND_SUN_XML_DRAW },
+         { CONTENT_TYPE_STR_APP_VND_SUN_XML_IMPRESS, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESS },
+         { CONTENT_TYPE_STR_APP_VND_SUN_XML_IMPRESSPACKED, CONTENT_TYPE_APP_VND_SUN_XML_IMPRESSPACKED },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_MATH, CONTENT_TYPE_APP_VND_SUN_XML_MATH },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_WRITER, CONTENT_TYPE_APP_VND_SUN_XML_WRITER },
+        { CONTENT_TYPE_STR_APP_VND_SUN_XML_WRITER_GLOBAL, CONTENT_TYPE_APP_VND_SUN_XML_WRITER_GLOBAL },
+        { CONTENT_TYPE_STR_APP_FRAMESET, CONTENT_TYPE_APP_FRAMESET },
+        { CONTENT_TYPE_STR_APP_GALLERY, CONTENT_TYPE_APP_GALLERY },
+        { CONTENT_TYPE_STR_APP_GALLERY_THEME, CONTENT_TYPE_APP_GALLERY_THEME },
+        { CONTENT_TYPE_STR_APP_JAR, CONTENT_TYPE_APP_JAR },
+        { CONTENT_TYPE_STR_APP_MACRO, CONTENT_TYPE_APP_MACRO },
+        { CONTENT_TYPE_STR_APP_MSEXCEL, CONTENT_TYPE_APP_MSEXCEL },
+        { CONTENT_TYPE_STR_APP_MSEXCEL_TEMPL, CONTENT_TYPE_APP_MSEXCEL_TEMPL },
+        { CONTENT_TYPE_STR_APP_MSPPOINT, CONTENT_TYPE_APP_MSPPOINT },
+        { CONTENT_TYPE_STR_APP_MSPPOINT_TEMPL, CONTENT_TYPE_APP_MSPPOINT_TEMPL },
+        { CONTENT_TYPE_STR_APP_MSWORD, CONTENT_TYPE_APP_MSWORD },
+        { CONTENT_TYPE_STR_APP_MSWORD_TEMPL, CONTENT_TYPE_APP_MSWORD_TEMPL },
+        { CONTENT_TYPE_STR_APP_STARCALC, CONTENT_TYPE_APP_STARCALC },
+        { CONTENT_TYPE_STR_APP_STARCHART, CONTENT_TYPE_APP_STARCHART },
+        { CONTENT_TYPE_STR_APP_STARDRAW, CONTENT_TYPE_APP_STARDRAW },
+        { CONTENT_TYPE_STR_APP_STARHELP, CONTENT_TYPE_APP_STARHELP },
+        { CONTENT_TYPE_STR_APP_STARIMAGE, CONTENT_TYPE_APP_STARIMAGE },
+        { CONTENT_TYPE_STR_APP_STARIMPRESS, CONTENT_TYPE_APP_STARIMPRESS },
+        { CONTENT_TYPE_STR_APP_STARMAIL_SDM, CONTENT_TYPE_APP_STARMAIL_SDM },
+        { CONTENT_TYPE_STR_APP_STARMAIL_SMD, CONTENT_TYPE_APP_STARMAIL_SMD },
+        { CONTENT_TYPE_STR_APP_STARMATH, CONTENT_TYPE_APP_STARMATH },
+        { CONTENT_TYPE_STR_APP_STARWRITER, CONTENT_TYPE_APP_STARWRITER },
+        { CONTENT_TYPE_STR_APP_STARWRITER_GLOB, CONTENT_TYPE_APP_STARWRITER_GLOB },
+        { CONTENT_TYPE_STR_APP_CDE_CALENDAR_APP, CONTENT_TYPE_APP_CDE_CALENDAR_APP },
+        { CONTENT_TYPE_STR_APP_ZIP, CONTENT_TYPE_APP_ZIP },
+        { CONTENT_TYPE_STR_AUDIO_AIFF, CONTENT_TYPE_AUDIO_AIFF },
+        { CONTENT_TYPE_STR_AUDIO_BASIC, CONTENT_TYPE_AUDIO_BASIC },
+        { CONTENT_TYPE_STR_AUDIO_MIDI, CONTENT_TYPE_AUDIO_MIDI },
+        { CONTENT_TYPE_STR_AUDIO_VORBIS, CONTENT_TYPE_AUDIO_VORBIS },
+        { CONTENT_TYPE_STR_AUDIO_WAV, CONTENT_TYPE_AUDIO_WAV },
+        { CONTENT_TYPE_STR_AUDIO_WEBM, CONTENT_TYPE_AUDIO_WEBM },
+        { CONTENT_TYPE_STR_IMAGE_GENERIC, CONTENT_TYPE_IMAGE_GENERIC },
+        { CONTENT_TYPE_STR_IMAGE_GIF, CONTENT_TYPE_IMAGE_GIF },
+        { CONTENT_TYPE_STR_IMAGE_JPEG, CONTENT_TYPE_IMAGE_JPEG },
+        { CONTENT_TYPE_STR_IMAGE_PCX, CONTENT_TYPE_IMAGE_PCX },
+        { CONTENT_TYPE_STR_IMAGE_PNG, CONTENT_TYPE_IMAGE_PNG },
+        { CONTENT_TYPE_STR_IMAGE_TIFF, CONTENT_TYPE_IMAGE_TIFF },
+        { CONTENT_TYPE_STR_IMAGE_BMP, CONTENT_TYPE_IMAGE_BMP },
+        { CONTENT_TYPE_STR_INET_MSG_RFC822, CONTENT_TYPE_INET_MESSAGE_RFC822 },
+        { CONTENT_TYPE_STR_INET_MULTI_ALTERNATIVE, CONTENT_TYPE_INET_MULTIPART_ALTERNATIVE },
+        { CONTENT_TYPE_STR_INET_MULTI_DIGEST, CONTENT_TYPE_INET_MULTIPART_DIGEST },
+        { CONTENT_TYPE_STR_INET_MULTI_MIXED, CONTENT_TYPE_INET_MULTIPART_MIXED },
+        { CONTENT_TYPE_STR_INET_MULTI_PARALLEL, CONTENT_TYPE_INET_MULTIPART_PARALLEL },
+        { CONTENT_TYPE_STR_INET_MULTI_RELATED, CONTENT_TYPE_INET_MULTIPART_RELATED },
+        { CONTENT_TYPE_STR_TEXT_ICALENDAR, CONTENT_TYPE_TEXT_ICALENDAR },
+        { CONTENT_TYPE_STR_TEXT_HTML, CONTENT_TYPE_TEXT_HTML },
+        { CONTENT_TYPE_STR_TEXT_PLAIN, CONTENT_TYPE_TEXT_PLAIN },
+        { CONTENT_TYPE_STR_TEXT_XMLICALENDAR, CONTENT_TYPE_TEXT_XMLICALENDAR },
+        { CONTENT_TYPE_STR_TEXT_URL, CONTENT_TYPE_TEXT_URL },
+        { CONTENT_TYPE_STR_TEXT_VCALENDAR, CONTENT_TYPE_TEXT_VCALENDAR },
+        { CONTENT_TYPE_STR_TEXT_VCARD, CONTENT_TYPE_TEXT_VCARD },
+        { CONTENT_TYPE_STR_VIDEO_MSVIDEO, CONTENT_TYPE_VIDEO_MSVIDEO },
+        { CONTENT_TYPE_STR_VIDEO_THEORA, CONTENT_TYPE_VIDEO_THEORA },
+        { CONTENT_TYPE_STR_VIDEO_VDO, CONTENT_TYPE_VIDEO_VDO },
+        { CONTENT_TYPE_STR_VIDEO_WEBM, CONTENT_TYPE_VIDEO_WEBM },
+        { CONTENT_TYPE_STR_X_STARMAIL, CONTENT_TYPE_X_STARMAIL },
+        { CONTENT_TYPE_STR_X_VRML, CONTENT_TYPE_X_VRML }
+};
+
+
+/** A mapping from extensions to type IDs.  Sorted by extension.
+ */
+MediaTypeEntry const aStaticExtensionMap[]
+    = { { "aif", CONTENT_TYPE_AUDIO_AIFF },
+        { "aiff", CONTENT_TYPE_AUDIO_AIFF },
+        { "appt", CONTENT_TYPE_APP_CDE_CALENDAR_APP },
+        { "au", CONTENT_TYPE_AUDIO_BASIC },
+        { "avi", CONTENT_TYPE_VIDEO_MSVIDEO },
+        { "bmp", CONTENT_TYPE_IMAGE_BMP },
+        { "cgm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "doc", CONTENT_TYPE_APP_MSWORD },
+        { "dot", CONTENT_TYPE_APP_MSWORD_TEMPL },
+        { "dxf", CONTENT_TYPE_IMAGE_GENERIC },
+        { "eps", CONTENT_TYPE_IMAGE_GENERIC },
+        { "gal", CONTENT_TYPE_APP_GALLERY },
+        { "gif", CONTENT_TYPE_IMAGE_GIF },
+        { "htm", CONTENT_TYPE_TEXT_HTML },
+        { "html", CONTENT_TYPE_TEXT_HTML },
+        { "ics", CONTENT_TYPE_TEXT_ICALENDAR },
+        { "jar", CONTENT_TYPE_APP_JAR },
+        { "jpeg", CONTENT_TYPE_IMAGE_JPEG },
+        { "jpg", CONTENT_TYPE_IMAGE_JPEG },
+        { "met", CONTENT_TYPE_IMAGE_GENERIC },
+        { "mid", CONTENT_TYPE_AUDIO_MIDI },
+        { "midi", CONTENT_TYPE_AUDIO_MIDI },
+        { "ogg", CONTENT_TYPE_AUDIO_VORBIS },
+        { "pbm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "pcd", CONTENT_TYPE_IMAGE_GENERIC },
+        { "pct", CONTENT_TYPE_IMAGE_GENERIC },
+        { "pcx", CONTENT_TYPE_IMAGE_PCX },
+        { "pdf", CONTENT_TYPE_APP_PDF },
+        { "pgm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "png", CONTENT_TYPE_IMAGE_PNG },
+        { "pot", CONTENT_TYPE_APP_MSPPOINT_TEMPL },
+        { "ppm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "ppt", CONTENT_TYPE_APP_MSPPOINT },
+        { "psd", CONTENT_TYPE_IMAGE_GENERIC },
+        { "ras", CONTENT_TYPE_IMAGE_GENERIC },
+        { "rtf", CONTENT_TYPE_APP_RTF },
+        { "sda", CONTENT_TYPE_APP_VND_DRAW },
+        { "sdc", CONTENT_TYPE_APP_VND_CALC },
+        { "sdd", CONTENT_TYPE_APP_VND_IMPRESS },
+        { "sdm", CONTENT_TYPE_APP_VND_MAIL },
+        { "sdp", CONTENT_TYPE_APP_VND_IMPRESSPACKED },
+        { "sds", CONTENT_TYPE_APP_VND_CHART },
+        { "sdw", CONTENT_TYPE_APP_VND_WRITER },
+        { "sd~", CONTENT_TYPE_X_STARMAIL },
+        { "sfs", CONTENT_TYPE_APP_FRAMESET  },
+        { "sgl", CONTENT_TYPE_APP_VND_WRITER_GLOBAL  },
+        { "sim", CONTENT_TYPE_APP_VND_IMAGE },
+        { "smd", CONTENT_TYPE_APP_STARMAIL_SMD }, //CONTENT_TYPE_X_STARMAIL
+        { "smf", CONTENT_TYPE_APP_VND_MATH },
+        { "svh", CONTENT_TYPE_APP_STARHELP },
+        { "svm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "sxc", CONTENT_TYPE_APP_VND_SUN_XML_CALC },
+        { "sxd", CONTENT_TYPE_APP_VND_SUN_XML_DRAW },
+        { "sxg", CONTENT_TYPE_APP_VND_SUN_XML_WRITER_GLOBAL },
+        { "sxi", CONTENT_TYPE_APP_VND_SUN_XML_IMPRESS },
+        { "sxm", CONTENT_TYPE_APP_VND_SUN_XML_MATH },
+        { "sxp", CONTENT_TYPE_APP_VND_SUN_XML_IMPRESSPACKED },
+        { "sxs", CONTENT_TYPE_APP_VND_SUN_XML_CHART },
+        { "sxw", CONTENT_TYPE_APP_VND_SUN_XML_WRITER },
+        { "tga", CONTENT_TYPE_IMAGE_GENERIC },
+        { "thm", CONTENT_TYPE_APP_GALLERY_THEME },
+        { "tif", CONTENT_TYPE_IMAGE_TIFF },
+        { "tiff", CONTENT_TYPE_IMAGE_TIFF },
+        { "txt", CONTENT_TYPE_TEXT_PLAIN },
+        { "url", CONTENT_TYPE_TEXT_URL },
+        { "vcf", CONTENT_TYPE_TEXT_VCARD },
+        { "vcs", CONTENT_TYPE_TEXT_VCALENDAR },
+        { "vdo", CONTENT_TYPE_VIDEO_VDO },
+        { "vor", CONTENT_TYPE_APP_VND_TEMPLATE },
+        { "wav", CONTENT_TYPE_AUDIO_WAV },
+        { "webm", CONTENT_TYPE_VIDEO_WEBM },
+        { "wmf", CONTENT_TYPE_IMAGE_GENERIC },
+        { "wrl", CONTENT_TYPE_X_VRML },
+        { "xbm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "xcs", CONTENT_TYPE_TEXT_XMLICALENDAR },
+        { "xls", CONTENT_TYPE_APP_MSEXCEL },
+        { "xlt", CONTENT_TYPE_APP_MSEXCEL_TEMPL },
+        { "xlw", CONTENT_TYPE_APP_MSEXCEL },
+        { "xpm", CONTENT_TYPE_IMAGE_GENERIC },
+        { "zip", CONTENT_TYPE_APP_ZIP } };
+
+}
+
+
+//  seekEntry
+
+
+namespace
+{
+
+MediaTypeEntry const * seekEntry(OUString const & rTypeName,
+                                 MediaTypeEntry const * pMap, std::size_t nSize)
+{
+#if defined DBG_UTIL
+    for (std::size_t i = 0; i < nSize - 1; ++i)
+        DBG_ASSERT(
+            pMap[i].m_pTypeName < pMap[i + 1].m_pTypeName,
+            "seekEntry(): Bad map");
+#endif
+
+    std::size_t nLow = 0;
+    std::size_t nHigh = nSize;
+    while (nLow != nHigh)
+    {
+        std::size_t nMiddle = (nLow + nHigh) / 2;
+        MediaTypeEntry const * pEntry = pMap + nMiddle;
+        sal_Int32 nCmp = rTypeName.compareToIgnoreAsciiCase(pEntry->m_pTypeName);
+        if (nCmp < 0)
+            nHigh = nMiddle;
+        else if (nCmp == 0)
+            return pEntry;
+
+        else
+            nLow = nMiddle + 1;
+    }
+    return nullptr;
+}
+
+}
+
+// static
+INetContentType INetContentTypes::GetContentType(OUString const & rTypeName)
+{
+    OUString aType;
+    OUString aSubType;
+    if (parse(rTypeName, aType, aSubType))
+    {
+        aType += "/" + aSubType;
+        MediaTypeEntry const * pEntry = seekEntry(aType, aStaticTypeNameMap,
+                                                  CONTENT_TYPE_LAST + 1);
+        return pEntry ? pEntry->m_eTypeID : CONTENT_TYPE_UNKNOWN;
+    }
+    else
+        return rTypeName.equalsIgnoreAsciiCase(CONTENT_TYPE_STR_X_STARMAIL) ?
+            CONTENT_TYPE_X_STARMAIL : CONTENT_TYPE_UNKNOWN;
+            // the content type "x-starmail" has no sub type
+}
+
+//static
+OUString INetContentTypes::GetContentType(INetContentType eTypeID)
+{
+    static std::array<OUString, CONTENT_TYPE_LAST + 1> aMap = []()
+    {
+        std::array<OUString, CONTENT_TYPE_LAST + 1> tmp;
+        for (std::size_t i = 0; i <= CONTENT_TYPE_LAST; ++i)
+            tmp[aStaticTypeNameMap[i].m_eTypeID] = aStaticTypeNameMap[i].m_pTypeName;
+        tmp[CONTENT_TYPE_UNKNOWN] = CONTENT_TYPE_STR_APP_OCTSTREAM;
+        tmp[CONTENT_TYPE_TEXT_PLAIN] = CONTENT_TYPE_STR_TEXT_PLAIN +
+                                        "; charset=iso-8859-1";
+        return tmp;
+    }();
+
+    OUString aTypeName = eTypeID <= CONTENT_TYPE_LAST ? aMap[eTypeID]
+                                                      : OUString();
+    if (aTypeName.isEmpty())
+    {
+        OSL_FAIL("INetContentTypes::GetContentType(): Bad ID");
+        return CONTENT_TYPE_STR_APP_OCTSTREAM;
+    }
+    return aTypeName;
+}
+
+//static
+INetContentType INetContentTypes::GetContentType4Extension(OUString const & rExtension)
+{
+    MediaTypeEntry const * pEntry = seekEntry(rExtension, aStaticExtensionMap,
+                                              SAL_N_ELEMENTS(aStaticExtensionMap));
+    if (pEntry)
+        return pEntry->m_eTypeID;
+    return CONTENT_TYPE_APP_OCTSTREAM;
+}
+
+//static
+INetContentType INetContentTypes::GetContentTypeFromURL(std::u16string_view rURL)
+{
+    INetContentType eTypeID = CONTENT_TYPE_UNKNOWN;
+    std::size_t nIdx{ 0 };
+    OUString aToken( o3tl::getToken(rURL, u':', nIdx) );
+    if (!aToken.isEmpty())
+    {
+        if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_FILE))
+            if (rURL[ rURL.size() - 1 ] == '/') // folder
+                if (rURL.size() > RTL_CONSTASCII_LENGTH("file:///"))
+                    if (WildCard(u"*/{*}/").Matches(rURL)) // special folder
+                        eTypeID = CONTENT_TYPE_X_CNT_FSYSSPECIALFOLDER;
+                    else
+                        // drive? -> "file:///?|/"
+                        if (rURL.size() == 11
+                            && rURL[ rURL.size() - 2 ] == '|')
+                        {
+                            // Drives need further processing, because of
+                            // dynamic type according to underlying volume,
+                            // which cannot be determined here.
+                        }
+                        else // normal folder
+                            eTypeID = CONTENT_TYPE_X_CNT_FSYSFOLDER;
+                else // file system root
+                    eTypeID = CONTENT_TYPE_X_CNT_FSYSBOX;
+            else // file
+            {
+                //@@@
+            }
+        else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_HTTP)
+                 || aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_HTTPS))
+            eTypeID = CONTENT_TYPE_TEXT_HTML;
+        else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_PRIVATE))
+        {
+            aToken = o3tl::getToken(rURL, u'/', nIdx);
+            if (aToken == "factory")
+            {
+                aToken = o3tl::getToken(rURL, u'/', nIdx);
+                if (aToken == "swriter")
+                {
+                    aToken = o3tl::getToken(rURL, u'/', nIdx);
+                    eTypeID = aToken == "web" ?
+                                  CONTENT_TYPE_APP_VND_WRITER_WEB :
+                              aToken == "GlobalDocument" ?
+                                  CONTENT_TYPE_APP_VND_WRITER_GLOBAL :
+                                  CONTENT_TYPE_APP_VND_WRITER;
+                }
+                else if (aToken == "scalc")
+                    eTypeID = CONTENT_TYPE_APP_VND_CALC;
+                else if (aToken == "sdraw")
+                    eTypeID = CONTENT_TYPE_APP_VND_DRAW;
+                else if (aToken == "simpress")
+                    eTypeID = CONTENT_TYPE_APP_VND_IMPRESS;
+                else if (aToken == "schart")
+                    eTypeID = CONTENT_TYPE_APP_VND_CHART;
+                else if (aToken == "simage")
+                    eTypeID = CONTENT_TYPE_APP_VND_IMAGE;
+                else if (aToken == "smath")
+                    eTypeID = CONTENT_TYPE_APP_VND_MATH;
+                else if (aToken == "frameset")
+                    eTypeID = CONTENT_TYPE_APP_FRAMESET;
+            }
+            else if (aToken == "helpid")
+                eTypeID = CONTENT_TYPE_APP_STARHELP;
+        }
+        else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_MAILTO))
+            eTypeID = CONTENT_TYPE_APP_VND_OUTTRAY;
+        else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_MACRO))
+            eTypeID = CONTENT_TYPE_APP_MACRO;
+        else if (aToken.equalsIgnoreAsciiCase(INETTYPE_URL_PROT_DATA))
+        {
+            aToken = o3tl::getToken(rURL, u',', nIdx);
+            eTypeID = GetContentType(aToken);
+        }
+    }
+    if (eTypeID == CONTENT_TYPE_UNKNOWN)
+    {
+        OUString aExtension;
+        if (GetExtensionFromURL(rURL, aExtension))
+            eTypeID = GetContentType4Extension(aExtension);
+    }
+    return eTypeID;
+}
+
+//static
+bool INetContentTypes::GetExtensionFromURL(std::u16string_view rURL,
+                                           OUString & rExtension)
+{
+    size_t nSlashPos = 0;
+    size_t i = 0;
+    while (i != std::u16string_view::npos)
+    {
+        nSlashPos = i;
+        i = rURL.find('/', i + 1);
+    }
+    if (nSlashPos != 0)
+    {
+        size_t nLastDotPos = i = rURL.find('.', nSlashPos);
+        while (i != std::u16string_view::npos)
+        {
+            nLastDotPos = i;
+            i = rURL.find('.', i + 1);
+        }
+        if (nLastDotPos >- 0)
+            rExtension = rURL.substr(nLastDotPos + 1);
+        return true;
+    }
+    return false;
+}
+
+bool INetContentTypes::parse(
+    OUString const & rMediaType, OUString & rType, OUString & rSubType,
+    INetContentTypeParameterList * pParameters)
+{
+    sal_Unicode const * b = rMediaType.getStr();
+    sal_Unicode const * e = b + rMediaType.getLength();
+    OUString t;
+    OUString s;
+    INetContentTypeParameterList p;
+    if (INetMIME::scanContentType(rMediaType, &t, &s, pParameters == nullptr ? nullptr : &p) == e) {
+        rType = t;
+        rSubType = s;
+        if (pParameters != nullptr) {
+            *pParameters = p;
+        }
+        return true;
+    } else {
+        return false;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/lngmisc.cxx b/svl/source/misc/lngmisc.cxx
new file mode 100644
index 0000000000..7ccf0aed72
--- /dev/null
+++ b/svl/source/misc/lngmisc.cxx
@@ -0,0 +1,132 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/lngmisc.hxx>
+
+#include <comphelper/string.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <tools/debug.hxx>
+
+namespace linguistic
+{
+    sal_Int32 GetNumControlChars(std::u16string_view rTxt)
+    {
+        sal_Int32 nCnt = 0;
+        for (size_t i = 0; i < rTxt.size(); ++i)
+            if (IsControlChar(rTxt[i]))
+                ++nCnt;
+        return nCnt;
+    }
+
+    bool RemoveHyphens(OUString &rTxt)
+    {
+        sal_Int32 n = rTxt.getLength();
+        rTxt = rTxt.replaceAll(OUStringChar(SVT_SOFT_HYPHEN), "");
+        rTxt = rTxt.replaceAll(OUStringChar(SVT_HARD_HYPHEN), "");
+        return n != rTxt.getLength();
+    }
+
+    bool RemoveControlChars(OUString &rTxt)
+    {
+        sal_Int32 nSize = rTxt.getLength() - GetNumControlChars(rTxt);
+        if(nSize == rTxt.getLength())
+            return false;
+
+        OUStringBuffer aBuf(nSize);
+        aBuf.setLength(nSize);
+        for (sal_Int32 i = 0, j = 0; i < rTxt.getLength() && j < nSize; ++i)
+            if (!IsControlChar(rTxt[i]))
+                aBuf[j++] = rTxt[i];
+
+        rTxt = aBuf.makeStringAndClear();
+        DBG_ASSERT(rTxt.getLength() == nSize, "GetNumControlChars returned a different number of control characters than were actually removed.");
+
+        return true;
+    }
+
+    bool ReplaceControlChars(OUString &rTxt)
+    {
+        // non breaking field character
+        static const char CH_TXTATR_INWORD = static_cast<char>(0x02);
+
+        // the resulting string looks like this:
+        // 1. non breaking field characters get removed
+        // 2. remaining control characters will be replaced by ' '
+
+        if (GetNumControlChars(rTxt) == 0)
+            return false;
+
+        sal_Int32 n = rTxt.getLength();
+
+        OUStringBuffer aBuf(n);
+        aBuf.setLength(n);
+
+        sal_Int32 j = 0;
+        for (sal_Int32 i = 0; i < n && j < n; ++i)
+        {
+            if (CH_TXTATR_INWORD == rTxt[i])
+                continue;
+
+            aBuf[j++] = IsControlChar(rTxt[i]) ? ' ' : rTxt[i];
+        }
+
+        aBuf.setLength(j);
+        rTxt = aBuf.makeStringAndClear();
+
+        return true;
+    }
+
+    OUString GetThesaurusReplaceText(const OUString &rText)
+    {
+        // The strings for synonyms returned by the thesaurus sometimes have some
+        // explanation text put in between '(' and ')' or a trailing '*'.
+        // These parts should not be put in the ReplaceEdit Text that may get
+        // inserted into the document. Thus we strip them from the text.
+
+        OUString aText(rText);
+
+        sal_Int32 nPos = aText.indexOf('(');
+        while (nPos >= 0)
+        {
+            sal_Int32 nEnd = aText.indexOf(')', nPos);
+            if (nEnd >= 0)
+            {
+                OUStringBuffer aTextBuf(aText);
+                aTextBuf.remove(nPos, nEnd - nPos + 1);
+                aText = aTextBuf.makeStringAndClear();
+            }
+            else
+                break;
+            nPos = aText.indexOf('(');
+        }
+
+        nPos = aText.indexOf('*');
+        if(nPos == 0)
+            return OUString();
+        else if(nPos > 0)
+            aText = aText.copy(0, nPos);
+
+        // remove any possible remaining ' ' that may confuse the thesaurus
+        // when it gets called with the text
+        return comphelper::string::strip(aText, ' ');
+    }
+} // namespace linguistic
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/lockfilecommon.cxx b/svl/source/misc/lockfilecommon.cxx
new file mode 100644
index 0000000000..bcf568b70a
--- /dev/null
+++ b/svl/source/misc/lockfilecommon.cxx
@@ -0,0 +1,243 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/io/WrongFormatException.hpp>
+
+#include <osl/time.h>
+#include <osl/security.hxx>
+#include <osl/socket.hxx>
+#include <osl/file.hxx>
+#include <o3tl/enumrange.hxx>
+#include <o3tl/sprintf.hxx>
+
+#include <rtl/ustring.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <tools/urlobj.hxx>
+#include <unotools/bootstrap.hxx>
+
+#include <unotools/useroptions.hxx>
+
+#include <salhelper/linkhelper.hxx>
+
+#include <svl/lockfilecommon.hxx>
+#include <utility>
+
+using namespace ::com::sun::star;
+
+namespace svt {
+
+
+LockFileCommon::LockFileCommon(OUString aLockFileURL)
+    : m_aURL(std::move(aLockFileURL))
+{
+}
+
+LockFileCommon::~LockFileCommon()
+{
+}
+
+
+const OUString& LockFileCommon::GetURL() const
+{
+    return m_aURL;
+}
+
+
+void LockFileCommon::SetURL(const OUString& aURL)
+{
+    m_aURL = aURL;
+}
+
+
+OUString LockFileCommon::GenerateOwnLockFileURL(
+    std::u16string_view aOrigURL, std::u16string_view aPrefix)
+{
+    INetURLObject aURL = ResolveLinks(INetURLObject(aOrigURL));
+    aURL.setName(Concat2View(aPrefix + aURL.GetLastName() + "%23" /*'#'*/));
+    return aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
+}
+
+
+INetURLObject LockFileCommon::ResolveLinks( const INetURLObject& aDocURL )
+{
+    if ( aDocURL.HasError() )
+        throw lang::IllegalArgumentException();
+
+    OUString aURLToCheck = aDocURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
+
+    // there is currently no UCB functionality to resolve the symbolic links;
+    // since the lock files are used only for local file systems the osl
+    // functionality is used directly
+    salhelper::LinkResolver aResolver(osl_FileStatus_Mask_FileName);
+    osl::FileBase::RC eStatus = aResolver.fetchFileStatus(aURLToCheck);
+    if (eStatus == osl::FileBase::E_None)
+        aURLToCheck = aResolver.m_aStatus.getFileURL();
+    else if (eStatus == osl::FileBase::E_MULTIHOP)
+    {
+        // do not allow too deep links
+        throw io::IOException();
+    }
+
+    return INetURLObject( aURLToCheck );
+}
+
+
+void LockFileCommon::ParseList( const uno::Sequence< sal_Int8 >& aBuffer, std::vector< LockFileEntry > & aResult )
+{
+    sal_Int32 nCurPos = 0;
+    while ( nCurPos < aBuffer.getLength() )
+    {
+        aResult.push_back( ParseEntry( aBuffer, nCurPos ) );
+    }
+}
+
+
+LockFileEntry LockFileCommon::ParseEntry( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
+{
+    LockFileEntry aResult;
+
+    for ( LockFileComponent nInd : o3tl::enumrange<LockFileComponent>() )
+    {
+        aResult[nInd] = ParseName( aBuffer, io_nCurPos );
+        if ( io_nCurPos >= aBuffer.getLength()
+          || ( nInd < LockFileComponent::LAST && aBuffer[io_nCurPos++] != ',' )
+          || ( nInd == LockFileComponent::LAST && aBuffer[io_nCurPos++] != ';' ) )
+            throw io::WrongFormatException();
+    }
+
+    return aResult;
+}
+
+
+OUString LockFileCommon::ParseName( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
+{
+    OStringBuffer aResult(128);
+    bool bHaveName = false;
+    bool bEscape = false;
+
+    while( !bHaveName )
+    {
+        if ( io_nCurPos >= aBuffer.getLength() )
+            throw io::WrongFormatException();
+
+        if ( bEscape )
+        {
+            if ( aBuffer[io_nCurPos] != ',' && aBuffer[io_nCurPos] != ';' && aBuffer[io_nCurPos] != '\\' )
+                throw io::WrongFormatException();
+
+            aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
+
+            bEscape = false;
+            io_nCurPos++;
+        }
+        else if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' )
+            bHaveName = true;
+        else
+        {
+            if ( aBuffer[io_nCurPos] == '\\' )
+                bEscape = true;
+            else
+                aResult.append( static_cast<char>(aBuffer[io_nCurPos]) );
+
+            io_nCurPos++;
+        }
+    }
+
+    return OStringToOUString( aResult, RTL_TEXTENCODING_UTF8 );
+}
+
+
+OUString LockFileCommon::EscapeCharacters( const OUString& aSource )
+{
+    OUStringBuffer aBuffer(aSource.getLength()*2);
+    const sal_Unicode* pStr = aSource.getStr();
+    for ( sal_Int32 nInd = 0; nInd < aSource.getLength() && pStr[nInd] != 0; nInd++ )
+    {
+        if ( pStr[nInd] == '\\' || pStr[nInd] == ';' || pStr[nInd] == ',' )
+            aBuffer.append( '\\' );
+        aBuffer.append( pStr[nInd] );
+    }
+
+    return aBuffer.makeStringAndClear();
+}
+
+
+OUString LockFileCommon::GetOOOUserName()
+{
+    SvtUserOptions aUserOpt;
+    OUString aName = aUserOpt.GetFirstName();
+    if ( !aName.isEmpty() )
+        aName += " ";
+    aName += aUserOpt.GetLastName();
+
+    return aName;
+}
+
+
+OUString LockFileCommon::GetCurrentLocalTime()
+{
+    OUString aTime;
+
+    TimeValue aSysTime;
+    if ( osl_getSystemTime( &aSysTime ) )
+    {
+        TimeValue aLocTime;
+        if ( osl_getLocalTimeFromSystemTime( &aSysTime, &aLocTime ) )
+        {
+            oslDateTime aDateTime;
+            if ( osl_getDateTimeFromTimeValue( &aLocTime, &aDateTime ) )
+            {
+                char pDateTime[sizeof("65535.65535.-32768 65535:65535")];
+                    // reserve enough space for hypothetical max length
+                o3tl::sprintf( pDateTime, "%02" SAL_PRIuUINT32 ".%02" SAL_PRIuUINT32 ".%4" SAL_PRIdINT32 " %02" SAL_PRIuUINT32 ":%02" SAL_PRIuUINT32, sal_uInt32(aDateTime.Day), sal_uInt32(aDateTime.Month), sal_Int32(aDateTime.Year), sal_uInt32(aDateTime.Hours), sal_uInt32(aDateTime.Minutes) );
+                aTime = OUString::createFromAscii( pDateTime );
+            }
+        }
+    }
+
+    return aTime;
+}
+
+
+LockFileEntry LockFileCommon::GenerateOwnEntry()
+{
+    LockFileEntry aResult;
+
+    aResult[LockFileComponent::OOOUSERNAME] = GetOOOUserName();
+
+    ::osl::Security aSecurity;
+    aSecurity.getUserName( aResult[LockFileComponent::SYSUSERNAME] );
+
+    aResult[LockFileComponent::LOCALHOST] = ::osl::SocketAddr::getLocalHostname();
+
+    aResult[LockFileComponent::EDITTIME] = GetCurrentLocalTime();
+
+    ::utl::Bootstrap::locateUserInstallation( aResult[LockFileComponent::USERURL] );
+
+
+    return aResult;
+}
+
+} // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/msodocumentlockfile.cxx b/svl/source/misc/msodocumentlockfile.cxx
new file mode 100644
index 0000000000..dab0486e43
--- /dev/null
+++ b/svl/source/misc/msodocumentlockfile.cxx
@@ -0,0 +1,269 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/msodocumentlockfile.hxx>
+#include <algorithm>
+#include <ucbhelper/content.hxx>
+#include <comphelper/processfactory.hxx>
+#include <o3tl/string_view.hxx>
+
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+
+namespace svt
+{
+namespace
+{
+bool isWordFormat(std::u16string_view sExt)
+{
+    return o3tl::equalsIgnoreAsciiCase(sExt, u"DOC") || o3tl::equalsIgnoreAsciiCase(sExt, u"DOCX")
+           || o3tl::equalsIgnoreAsciiCase(sExt, u"RTF")
+           || o3tl::equalsIgnoreAsciiCase(sExt, u"ODT");
+}
+
+bool isExcelFormat(std::u16string_view sExt)
+{
+    return //sExt.equalsIgnoreAsciiCase("XLS") || // MSO does not create lockfile for XLS
+        o3tl::equalsIgnoreAsciiCase(sExt, u"XLSX") || o3tl::equalsIgnoreAsciiCase(sExt, u"ODS");
+}
+
+bool isPowerPointFormat(std::u16string_view sExt)
+{
+    return o3tl::equalsIgnoreAsciiCase(sExt, u"PPTX") || o3tl::equalsIgnoreAsciiCase(sExt, u"PPT")
+           || o3tl::equalsIgnoreAsciiCase(sExt, u"ODP");
+}
+
+// Need to generate different lock file name for MSO.
+OUString GenerateMSOLockFileURL(std::u16string_view aOrigURL)
+{
+    INetURLObject aURL = LockFileCommon::ResolveLinks(INetURLObject(aOrigURL));
+
+    // For text documents MSO Word cuts some of the first characters of the file name
+    OUString sFileName = aURL.GetLastName();
+    const OUString sExt = aURL.GetFileExtension();
+
+    if (isWordFormat(sExt))
+    {
+        const sal_Int32 nFileNameLength = sFileName.getLength() - sExt.getLength() - 1;
+        if (nFileNameLength >= 8)
+            sFileName = sFileName.copy(2);
+        else if (nFileNameLength == 7)
+            sFileName = sFileName.copy(1);
+    }
+    aURL.setName(Concat2View("~$" + sFileName));
+    return aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
+}
+}
+
+// static
+MSODocumentLockFile::AppType MSODocumentLockFile::getAppType(std::u16string_view sOrigURL)
+{
+    AppType eResult = AppType::PowerPoint;
+    INetURLObject aDocURL = LockFileCommon::ResolveLinks(INetURLObject(sOrigURL));
+    const OUString sExt = aDocURL.GetFileExtension();
+    if (isWordFormat(sExt))
+        eResult = AppType::Word;
+    else if (isExcelFormat(sExt))
+        eResult = AppType::Excel;
+
+    return eResult;
+}
+
+MSODocumentLockFile::MSODocumentLockFile(std::u16string_view aOrigURL)
+    : GenDocumentLockFile(GenerateMSOLockFileURL(aOrigURL))
+    , m_eAppType(getAppType(aOrigURL))
+{
+}
+
+MSODocumentLockFile::~MSODocumentLockFile() {}
+
+void MSODocumentLockFile::WriteEntryToStream(
+    std::unique_lock<std::mutex>& /*rGuard*/, const LockFileEntry& aEntry,
+    const css::uno::Reference<css::io::XOutputStream>& xOutput)
+{
+    // Reallocate the date with the right size, different lock file size for different components
+    int nLockFileSize = m_eAppType == AppType::Word ? MSO_WORD_LOCKFILE_SIZE
+                                                    : MSO_EXCEL_AND_POWERPOINT_LOCKFILE_SIZE;
+    css::uno::Sequence<sal_Int8> aData(nLockFileSize);
+    auto pData = aData.getArray();
+
+    // Write out the user name's length as a single byte integer
+    // The maximum length is 52 in MSO, so we'll need to truncate the user name if it's longer
+    OUString aUserName = aEntry[LockFileComponent::OOOUSERNAME];
+    int nIndex = 0;
+    pData[nIndex] = static_cast<sal_Int8>(
+        std::min(aUserName.getLength(), sal_Int32(MSO_USERNAME_MAX_LENGTH)));
+
+    if (aUserName.getLength() > MSO_USERNAME_MAX_LENGTH)
+        aUserName = aUserName.copy(0, MSO_USERNAME_MAX_LENGTH);
+
+    // From the second position write out the user name using one byte characters.
+    nIndex = 1;
+    for (int nChar = 0; nChar < aUserName.getLength(); ++nChar)
+    {
+        pData[nIndex] = static_cast<sal_Int8>(aUserName[nChar]);
+        ++nIndex;
+    }
+
+    // Fill up the remaining bytes with dummy data
+    switch (m_eAppType)
+    {
+        case AppType::Word:
+            while (nIndex < MSO_USERNAME_MAX_LENGTH + 2)
+            {
+                pData[nIndex] = static_cast<sal_Int8>(0);
+                ++nIndex;
+            }
+            break;
+        case AppType::PowerPoint:
+            pData[nIndex] = static_cast<sal_Int8>(0);
+            ++nIndex;
+            [[fallthrough]];
+        case AppType::Excel:
+            while (nIndex < MSO_USERNAME_MAX_LENGTH + 3)
+            {
+                pData[nIndex] = static_cast<sal_Int8>(0x20);
+                ++nIndex;
+            }
+            break;
+    }
+
+    // At the next position we have the user name's length again, but now as a 2 byte integer
+    pData[nIndex] = static_cast<sal_Int8>(
+        std::min(aUserName.getLength(), sal_Int32(MSO_USERNAME_MAX_LENGTH)));
+    ++nIndex;
+    pData[nIndex] = 0;
+    ++nIndex;
+
+    // And the user name again with unicode characters
+    for (int nChar = 0; nChar < aUserName.getLength(); ++nChar)
+    {
+        pData[nIndex] = static_cast<sal_Int8>(aUserName[nChar] & 0xff);
+        ++nIndex;
+        pData[nIndex] = static_cast<sal_Int8>(aUserName[nChar] >> 8);
+        ++nIndex;
+    }
+
+    // Fill the remaining part with dummy bits
+    switch (m_eAppType)
+    {
+        case AppType::Word:
+            while (nIndex < nLockFileSize)
+            {
+                pData[nIndex] = static_cast<sal_Int8>(0);
+                ++nIndex;
+            }
+            break;
+        case AppType::Excel:
+        case AppType::PowerPoint:
+            while (nIndex < nLockFileSize)
+            {
+                pData[nIndex] = static_cast<sal_Int8>(0x20);
+                ++nIndex;
+                if (nIndex < nLockFileSize)
+                {
+                    pData[nIndex] = static_cast<sal_Int8>(0);
+                    ++nIndex;
+                }
+            }
+            break;
+    }
+
+    xOutput->writeBytes(aData);
+}
+
+css::uno::Reference<css::io::XInputStream>
+MSODocumentLockFile::OpenStream(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    css::uno::Reference<css::ucb::XCommandEnvironment> xEnv;
+    ::ucbhelper::Content aSourceContent(GetURL(), xEnv, comphelper::getProcessComponentContext());
+
+    // the file can be opened readonly, no locking will be done
+    return aSourceContent.openStreamNoLock();
+}
+
+LockFileEntry MSODocumentLockFile::GetLockDataImpl(std::unique_lock<std::mutex>& rGuard)
+{
+    LockFileEntry aResult;
+    css::uno::Reference<css::io::XInputStream> xInput = OpenStream(rGuard);
+    if (!xInput.is())
+        throw css::uno::RuntimeException();
+
+    const sal_Int32 nBufLen = 256;
+    css::uno::Sequence<sal_Int8> aBuf(nBufLen);
+    const sal_Int32 nRead = xInput->readBytes(aBuf, nBufLen);
+    xInput->closeInput();
+    if (nRead >= 162)
+    {
+        // Reverse engineering of MS Office Owner Files format (MS Office 2016 tested).
+        // It starts with a single byte with name length, after which characters of username go
+        // in current Windows 8-bit codepage.
+        // For Word lockfiles, the name is followed by zero bytes up to position 54.
+        // For PowerPoint lockfiles, the name is followed by a single zero byte, and then 0x20
+        // bytes up to position 55.
+        // For Excel lockfiles, the name is followed by 0x20 bytes up to position 55.
+        // At those positions in each type of lockfile, a name length 2-byte word goes, followed
+        // by UTF-16-LE-encoded copy of username. Spaces or some garbage follow up to the end of
+        // the lockfile (total 162 bytes for Word, 165 bytes for Excel/PowerPoint).
+        // Apparently MS Office does not allow username to be longer than 52 characters (trying
+        // to enter more in its options dialog results in error messages stating this limit).
+        const int nACPLen = aBuf[0];
+        if (nACPLen > 0 && nACPLen <= 52) // skip wrong format
+        {
+            const sal_Int8* pBuf = aBuf.getConstArray() + 54;
+            int nUTF16Len = *pBuf; // try Word position
+            // If UTF-16 length is 0x20, then ACP length is also less than maximal, which means
+            // that in Word lockfile case, at least two preceding bytes would be zero. Both
+            // Excel and PowerPoint lockfiles would have at least one of those bytes non-zero.
+            if (nUTF16Len == 0x20 && (*(pBuf - 1) != 0 || *(pBuf - 2) != 0))
+                nUTF16Len = *++pBuf; // use Excel/PowerPoint position
+
+            if (nUTF16Len > 0 && nUTF16Len <= 52) // skip wrong format
+            {
+                OUStringBuffer str(nUTF16Len);
+                sal_uInt8 const* p = reinterpret_cast<sal_uInt8 const*>(pBuf + 2);
+                for (int i = 0; i != nUTF16Len; ++i)
+                {
+                    str.append(sal_Unicode(p[0] | (sal_uInt32(p[1]) << 8)));
+                    p += 2;
+                }
+                aResult[LockFileComponent::OOOUSERNAME] = str.makeStringAndClear();
+            }
+        }
+    }
+    return aResult;
+}
+
+void MSODocumentLockFile::RemoveFile()
+{
+    std::unique_lock aGuard(m_aMutex);
+
+    // TODO/LATER: the removing is not atomic, is it possible in general to make it atomic?
+    LockFileEntry aNewEntry = GenerateOwnEntry();
+    LockFileEntry aFileData = GetLockDataImpl(aGuard);
+
+    if (aFileData[LockFileComponent::OOOUSERNAME] != aNewEntry[LockFileComponent::OOOUSERNAME])
+        throw css::io::IOException(); // not the owner, access denied
+
+    RemoveFileDirectly();
+}
+
+bool MSODocumentLockFile::IsMSOSupportedFileFormat(std::u16string_view aURL)
+{
+    INetURLObject aDocURL = LockFileCommon::ResolveLinks(INetURLObject(aURL));
+    const OUString sExt = aDocURL.GetFileExtension();
+
+    return isWordFormat(sExt) || isExcelFormat(sExt) || isPowerPointFormat(sExt);
+}
+
+} // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
diff --git a/svl/source/misc/ownlist.cxx b/svl/source/misc/ownlist.cxx
new file mode 100644
index 0000000000..22b9d21fcc
--- /dev/null
+++ b/svl/source/misc/ownlist.cxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/PropertyState.hpp>
+
+#include <svl/ownlist.hxx>
+
+using namespace com::sun::star;
+
+
+/**
+ * An object of the type SvCommand is created and the list is
+ * attached.
+*/
+void SvCommandList::Append
+(
+ const OUString & rCommand,    /* The command */
+ const OUString & rArg         /* The command's argument */
+)
+{
+    aCommandList.emplace_back( rCommand, rArg );
+}
+
+void SvCommandList::FillFromSequence( const css::uno::Sequence < css::beans::PropertyValue >& aCommandSequence )
+{
+    OUString aCommand, aArg;
+    OUString aApiArg;
+    for( const auto& rCommand : aCommandSequence )
+    {
+        aCommand = rCommand.Name;
+        if( !( rCommand.Value >>= aApiArg ) )
+            return;
+        aArg = aApiArg;
+        Append( aCommand, aArg );
+    }
+}
+
+void SvCommandList::FillSequence( css::uno::Sequence < css::beans::PropertyValue >& aCommandSequence ) const
+{
+    const sal_Int32 nCount = aCommandList.size();
+    aCommandSequence.realloc( nCount );
+    auto pCommandSequence = aCommandSequence.getArray();
+    for( sal_Int32 nIndex = 0; nIndex < nCount; nIndex++ )
+    {
+        pCommandSequence[nIndex].Name = aCommandList[ nIndex ].GetCommand();
+        pCommandSequence[nIndex].Handle = -1;
+        pCommandSequence[nIndex].Value <<= aCommandList[ nIndex ].GetArgument();
+        pCommandSequence[nIndex].State = beans::PropertyState_DIRECT_VALUE;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/sharecontrolfile.cxx b/svl/source/misc/sharecontrolfile.cxx
new file mode 100644
index 0000000000..7c8fd854b2
--- /dev/null
+++ b/svl/source/misc/sharecontrolfile.cxx
@@ -0,0 +1,337 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/ucb/SimpleFileAccess.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#include <com/sun/star/ucb/XContent.hpp>
+#include <com/sun/star/ucb/InsertCommandArgument.hpp>
+#include <com/sun/star/ucb/InteractiveIOException.hpp>
+#include <com/sun/star/io/NotConnectedException.hpp>
+
+#include <o3tl/enumrange.hxx>
+
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <comphelper/processfactory.hxx>
+#include <ucbhelper/content.hxx>
+
+#include <tools/stream.hxx>
+#include <unotools/streamwrap.hxx>
+
+#include <svl/sharecontrolfile.hxx>
+
+using namespace ::com::sun::star;
+
+namespace svt {
+
+
+ShareControlFile::ShareControlFile( std::u16string_view aOrigURL )
+    : LockFileCommon(GenerateOwnLockFileURL(aOrigURL, u".~sharing."))
+{
+    if ( !m_xStream.is() && !GetURL().isEmpty() )
+    {
+        uno::Reference< ucb::XCommandEnvironment > xDummyEnv;
+        ::ucbhelper::Content aContent( GetURL(), xDummyEnv, comphelper::getProcessComponentContext() );
+
+        uno::Reference< ucb::XContentIdentifier > xContId( aContent.get().is() ? aContent.get()->getIdentifier() : nullptr );
+        if ( !xContId.is() || xContId->getContentProviderScheme() != "file" )
+            throw io::IOException(); // the implementation supports only local files for now
+
+        uno::Reference< io::XStream > xStream;
+
+        // Currently the locking of the original document is intended to be used.
+        // That means that the shared file should be accessed only when the original document is locked and only by user who has locked the document.
+        // TODO/LATER: should the own file locking be used?
+
+        try
+        {
+            xStream = aContent.openWriteableStreamNoLock();
+        }
+        catch ( ucb::InteractiveIOException const & e )
+        {
+            if ( e.Code == ucb::IOErrorCode_NOT_EXISTING )
+            {
+                // Create file...
+                SvMemoryStream aStream(0,0);
+                uno::Reference< io::XInputStream > xInput( new ::utl::OInputStreamWrapper( aStream ) );
+                ucb::InsertCommandArgument aInsertArg;
+                aInsertArg.Data = xInput;
+                aInsertArg.ReplaceExisting = false;
+                aContent.executeCommand( "insert", uno::Any( aInsertArg ) );
+
+                // try to let the file be hidden if possible
+                try {
+                    aContent.setPropertyValue("IsHidden", uno::Any( true ) );
+                } catch( uno::Exception& ) {}
+
+                // Try to open one more time
+                xStream = aContent.openWriteableStreamNoLock();
+            }
+            else
+                throw;
+        }
+
+        m_xSeekable.set( xStream, uno::UNO_QUERY_THROW );
+        m_xInputStream.set( xStream->getInputStream(), uno::UNO_SET_THROW );
+        m_xOutputStream.set( xStream->getOutputStream(), uno::UNO_SET_THROW );
+        m_xTruncate.set( m_xOutputStream, uno::UNO_QUERY_THROW );
+        m_xStream = xStream;
+    }
+
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+}
+
+ShareControlFile::~ShareControlFile()
+{
+    try
+    {
+        Close();
+    }
+    catch( uno::Exception& )
+    {}
+}
+
+void ShareControlFile::Close()
+{
+    // if it is called outside of destructor the mutex must be locked
+
+    if ( !m_xStream.is() )
+        return;
+
+    try
+    {
+        if ( m_xInputStream.is() )
+            m_xInputStream->closeInput();
+        if ( m_xOutputStream.is() )
+            m_xOutputStream->closeOutput();
+    }
+    catch( uno::Exception& )
+    {}
+
+    m_xStream.clear();
+    m_xInputStream.clear();
+    m_xOutputStream.clear();
+    m_xSeekable.clear();
+    m_xTruncate.clear();
+    m_aUsersData.clear();
+}
+
+
+std::vector< o3tl::enumarray< LockFileComponent, OUString > > ShareControlFile::GetUsersData()
+{
+    std::unique_lock aGuard(m_aMutex);
+    return GetUsersDataImpl(aGuard);
+}
+
+std::vector< o3tl::enumarray< LockFileComponent, OUString > > ShareControlFile::GetUsersDataImpl(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+
+    if ( m_aUsersData.empty() )
+    {
+        sal_Int64 nLength = m_xSeekable->getLength();
+        if ( nLength > SAL_MAX_INT32 )
+            throw uno::RuntimeException();
+
+        uno::Sequence< sal_Int8 > aBuffer( static_cast<sal_Int32>(nLength) );
+        m_xSeekable->seek( 0 );
+
+        sal_Int32 nRead = m_xInputStream->readBytes( aBuffer, static_cast<sal_Int32>(nLength) );
+        auto aBufferRange = asNonConstRange(aBuffer);
+        nLength -= nRead;
+        while ( nLength > 0 )
+        {
+            uno::Sequence< sal_Int8 > aTmpBuf( static_cast<sal_Int32>(nLength) );
+            nRead = m_xInputStream->readBytes( aTmpBuf, static_cast<sal_Int32>(nLength) );
+            if ( nRead > nLength )
+                throw uno::RuntimeException();
+
+            for ( sal_Int32 nInd = 0; nInd < nRead; nInd++ )
+                aBufferRange[aBuffer.getLength() - static_cast<sal_Int32>(nLength) + nInd] = aTmpBuf[nInd];
+            nLength -= nRead;
+        }
+
+        ParseList( aBuffer, m_aUsersData );
+    }
+
+    return m_aUsersData;
+}
+
+
+void ShareControlFile::SetUsersDataAndStore( std::unique_lock<std::mutex>& /*rGuard*/, std::vector< LockFileEntry >&& aUsersData )
+{
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+
+    if ( !m_xTruncate.is() || !m_xOutputStream.is() || !m_xSeekable.is() )
+        throw uno::RuntimeException();
+
+    m_xTruncate->truncate();
+    m_xSeekable->seek( 0 );
+
+    OUStringBuffer aBuffer;
+    for (const auto & rData : aUsersData)
+    {
+        for ( LockFileComponent nEntryInd : o3tl::enumrange<LockFileComponent>() )
+        {
+            aBuffer.append( EscapeCharacters( rData[nEntryInd] ) );
+            if ( nEntryInd < LockFileComponent::LAST )
+                aBuffer.append( ',' );
+            else
+                aBuffer.append( ';' );
+        }
+    }
+
+    OString aStringData( OUStringToOString( aBuffer, RTL_TEXTENCODING_UTF8 ) );
+    uno::Sequence< sal_Int8 > aData( reinterpret_cast<sal_Int8 const *>(aStringData.getStr()), aStringData.getLength() );
+    m_xOutputStream->writeBytes( aData );
+    m_aUsersData = aUsersData;
+}
+
+
+LockFileEntry ShareControlFile::InsertOwnEntry()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+
+    GetUsersDataImpl(aGuard);
+    std::vector< LockFileEntry > aNewData( m_aUsersData );
+    LockFileEntry aNewEntry = GenerateOwnEntry();
+
+    bool bExists = false;
+    sal_Int32 nNewInd = 0;
+    for (LockFileEntry & rEntry : m_aUsersData)
+    {
+        if ( rEntry[LockFileComponent::LOCALHOST] == aNewEntry[LockFileComponent::LOCALHOST]
+             && rEntry[LockFileComponent::SYSUSERNAME] == aNewEntry[LockFileComponent::SYSUSERNAME]
+             && rEntry[LockFileComponent::USERURL] == aNewEntry[LockFileComponent::USERURL] )
+        {
+            if ( !bExists )
+            {
+                aNewData[nNewInd] = aNewEntry;
+                bExists = true;
+            }
+        }
+        else
+        {
+            aNewData[nNewInd] = rEntry;
+        }
+
+        nNewInd++;
+    }
+
+    if ( !bExists )
+        aNewData.push_back( aNewEntry );
+
+    SetUsersDataAndStore( aGuard, std::move(aNewData) );
+
+    return aNewEntry;
+}
+
+
+bool ShareControlFile::HasOwnEntry()
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( !IsValid() )
+    {
+        throw io::NotConnectedException();
+    }
+
+    GetUsersDataImpl(aGuard);
+    LockFileEntry aEntry = GenerateOwnEntry();
+
+    for (LockFileEntry & rEntry : m_aUsersData)
+    {
+        if ( rEntry[LockFileComponent::LOCALHOST] == aEntry[LockFileComponent::LOCALHOST] &&
+             rEntry[LockFileComponent::SYSUSERNAME] == aEntry[LockFileComponent::SYSUSERNAME] &&
+             rEntry[LockFileComponent::USERURL] == aEntry[LockFileComponent::USERURL] )
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+
+void ShareControlFile::RemoveEntry()
+{
+    RemoveEntry(GenerateOwnEntry());
+}
+
+void ShareControlFile::RemoveEntry( const LockFileEntry& aEntry )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+
+    GetUsersDataImpl(aGuard);
+
+    std::vector< LockFileEntry > aNewData;
+
+    for (LockFileEntry & rEntry : m_aUsersData)
+    {
+        if ( rEntry[LockFileComponent::LOCALHOST] != aEntry[LockFileComponent::LOCALHOST]
+             || rEntry[LockFileComponent::SYSUSERNAME] != aEntry[LockFileComponent::SYSUSERNAME]
+             || rEntry[LockFileComponent::USERURL] != aEntry[LockFileComponent::USERURL] )
+        {
+            aNewData.push_back( rEntry );
+        }
+    }
+
+    const bool bNewDataEmpty = aNewData.empty();
+    SetUsersDataAndStore( aGuard, std::move(aNewData) );
+
+    if ( bNewDataEmpty )
+    {
+        // try to remove the file if it is empty
+        RemoveFileImpl(aGuard);
+    }
+}
+
+
+void ShareControlFile::RemoveFile()
+{
+    std::unique_lock aGuard(m_aMutex);
+    return RemoveFileImpl(aGuard);
+}
+
+void ShareControlFile::RemoveFileImpl(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    if ( !IsValid() )
+        throw io::NotConnectedException();
+
+    Close();
+
+    uno::Reference<ucb::XSimpleFileAccess3> xSimpleFileAccess(ucb::SimpleFileAccess::create(comphelper::getProcessComponentContext()));
+    xSimpleFileAccess->kill( GetURL() );
+}
+
+} // namespace svt
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/sharedstring.cxx b/svl/source/misc/sharedstring.cxx
new file mode 100644
index 0000000000..499136da97
--- /dev/null
+++ b/svl/source/misc/sharedstring.cxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/sharedstring.hxx>
+
+namespace svl {
+
+const OUString SharedString::EMPTY_STRING;
+
+const SharedString & SharedString::getEmptyString()
+{
+    // ref-counting traffic associated with SharedString temporaries can be significant,
+    // so use a singleton here, so we can return a const& from getEmptyString.
+    // unicode string array for empty string is globally shared in OUString.
+    // Let's take advantage of that.
+    static const SharedString EMPTY_SHARED_STRING(EMPTY_STRING.pData, EMPTY_STRING.pData);
+    return EMPTY_SHARED_STRING;
+}
+
+SharedString& SharedString::operator= ( const SharedString& r )
+{
+    if(this == &r)
+        return *this;
+
+    if (mpData)
+        rtl_uString_release(mpData);
+    if (mpDataIgnoreCase)
+        rtl_uString_release(mpDataIgnoreCase);
+
+    mpData = r.mpData;
+    mpDataIgnoreCase = r.mpDataIgnoreCase;
+
+    if (mpData)
+        rtl_uString_acquire(mpData);
+    if (mpDataIgnoreCase)
+        rtl_uString_acquire(mpDataIgnoreCase);
+
+    return *this;
+}
+
+bool SharedString::operator== ( const SharedString& r ) const
+{
+    // Compare only the original (not case-folded) string.
+
+    if (mpData == r.mpData)
+        return true;
+
+    if (mpData)
+    {
+        if (!r.mpData)
+            return false;
+
+        if (mpData->length != r.mpData->length)
+            return false;
+
+        return rtl_ustr_reverseCompare_WithLength(mpData->buffer, mpData->length, r.mpData->buffer, r.mpData->length) == 0;
+    }
+
+    return !r.mpData;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/sharedstringpool.cxx b/svl/source/misc/sharedstringpool.cxx
new file mode 100644
index 0000000000..06cf8a5cef
--- /dev/null
+++ b/svl/source/misc/sharedstringpool.cxx
@@ -0,0 +1,184 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <svl/sharedstringpool.hxx>
+#include <svl/sharedstring.hxx>
+#include <unotools/charclass.hxx>
+
+#include <mutex>
+#include <unordered_map>
+#include <unordered_set>
+
+/** create a key class that caches the hashcode */
+namespace
+{
+struct StringWithHash
+{
+    OUString str;
+    sal_Int32 hashCode;
+    StringWithHash(OUString s)
+        : str(s)
+        , hashCode(s.hashCode())
+    {
+    }
+
+    bool operator==(StringWithHash const& rhs) const
+    {
+        if (hashCode != rhs.hashCode)
+            return false;
+        return str == rhs.str;
+    }
+};
+}
+
+namespace std
+{
+template <> struct hash<StringWithHash>
+{
+    std::size_t operator()(const StringWithHash& k) const { return k.hashCode; }
+};
+}
+
+namespace svl
+{
+namespace
+{
+sal_Int32 getRefCount(const rtl_uString* p) { return (p->refCount & 0x3FFFFFFF); }
+}
+
+struct SharedStringPool::Impl
+{
+    mutable std::mutex maMutex;
+    // We use this map for two purposes - to store lower->upper case mappings
+    // and to retrieve a shared uppercase object, so the management logic
+    // is quite complex.
+    std::unordered_map<StringWithHash, OUString> maStrMap;
+    const CharClass& mrCharClass;
+
+    explicit Impl(const CharClass& rCharClass)
+        : mrCharClass(rCharClass)
+    {
+    }
+};
+
+SharedStringPool::SharedStringPool(const CharClass& rCharClass)
+    : mpImpl(new Impl(rCharClass))
+{
+    // make sure the one empty string instance is shared in this pool as well
+    intern(SharedString::EMPTY_STRING);
+    assert(intern(SharedString::EMPTY_STRING) == SharedString::getEmptyString());
+}
+
+SharedStringPool::~SharedStringPool() {}
+
+SharedString SharedStringPool::intern(const OUString& rStr)
+{
+    StringWithHash aStrWithHash(rStr);
+    std::scoped_lock<std::mutex> aGuard(mpImpl->maMutex);
+
+    auto[mapIt, bInserted] = mpImpl->maStrMap.emplace(aStrWithHash, rStr);
+    if (!bInserted)
+        // there is already a mapping
+        return SharedString(mapIt->first.str.pData, mapIt->second.pData);
+
+    // This is a new string insertion. Establish mapping to upper-case variant.
+    OUString aUpper = mpImpl->mrCharClass.uppercase(rStr);
+    if (aUpper == rStr)
+        // no need to do anything more, because we inserted an upper->upper mapping
+        return SharedString(mapIt->first.str.pData, mapIt->second.pData);
+
+    // We need to insert a lower->upper mapping, so also insert
+    // an upper->upper mapping, which we can use both for when an upper string
+    // is interned, and to look up a shared upper string.
+    StringWithHash aUpperWithHash(aUpper);
+    auto mapIt2 = mpImpl->maStrMap.find(aUpperWithHash);
+    if (mapIt2 != mpImpl->maStrMap.end())
+    {
+        // there is an already existing upper string
+        mapIt->second = mapIt2->first.str;
+        return SharedString(mapIt->first.str.pData, mapIt->second.pData);
+    }
+
+    // There is no already existing upper string.
+    // First, update using the iterator, can't do this later because
+    // the iterator will be invalid.
+    mapIt->second = aUpper;
+    mpImpl->maStrMap.emplace_hint(mapIt2, aUpperWithHash, aUpper);
+    return SharedString(rStr.pData, aUpper.pData);
+}
+
+void SharedStringPool::purge()
+{
+    std::scoped_lock<std::mutex> aGuard(mpImpl->maMutex);
+
+    // Because we can have an uppercase entry mapped to itself,
+    // and then a bunch of lowercase entries mapped to that same
+    // upper-case entry, we need to scan the map twice - the first
+    // time to remove lowercase entries, and then only can we
+    // check for unused uppercase entries.
+
+    auto it = mpImpl->maStrMap.begin();
+    auto itEnd = mpImpl->maStrMap.end();
+    while (it != itEnd)
+    {
+        rtl_uString* p1 = it->first.str.pData;
+        rtl_uString* p2 = it->second.pData;
+        if (p1 != p2)
+        {
+            // normal case - lowercase mapped to uppercase, which
+            // means that the lowercase entry has one ref-counted
+            // entry as the key in the map
+            if (getRefCount(p1) == 1)
+            {
+                it = mpImpl->maStrMap.erase(it);
+                continue;
+            }
+        }
+        ++it;
+    }
+
+    it = mpImpl->maStrMap.begin();
+    itEnd = mpImpl->maStrMap.end();
+    while (it != itEnd)
+    {
+        rtl_uString* p1 = it->first.str.pData;
+        rtl_uString* p2 = it->second.pData;
+        if (p1 == p2)
+        {
+            // uppercase which is mapped to itself, which means
+            // one ref-counted entry as the key in the map, and
+            // one ref-counted entry in the value in the map
+            if (getRefCount(p1) == 2)
+            {
+                it = mpImpl->maStrMap.erase(it);
+                continue;
+            }
+        }
+        ++it;
+    }
+}
+
+size_t SharedStringPool::getCount() const
+{
+    std::scoped_lock<std::mutex> aGuard(mpImpl->maMutex);
+    return mpImpl->maStrMap.size();
+}
+
+size_t SharedStringPool::getCountIgnoreCase() const
+{
+    std::scoped_lock<std::mutex> aGuard(mpImpl->maMutex);
+    // this is only called from unit tests, so no need to be efficient
+    std::unordered_set<OUString> aUpperSet;
+    for (auto const& pair : mpImpl->maStrMap)
+        aUpperSet.insert(pair.second);
+    return aUpperSet.size();
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/strmadpt.cxx b/svl/source/misc/strmadpt.cxx
new file mode 100644
index 0000000000..7a755d9249
--- /dev/null
+++ b/svl/source/misc/strmadpt.cxx
@@ -0,0 +1,653 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <algorithm>
+#include <limits>
+#include <set>
+#include <string.h>
+
+#include <com/sun/star/io/IOException.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/io/XSeekable.hpp>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+#include <svl/instrm.hxx>
+#include <svl/outstrm.hxx>
+#include <utility>
+
+using namespace com::sun::star;
+
+class SvDataPipe_Impl
+{
+public:
+    enum SeekResult { SEEK_BEFORE_MARKED, SEEK_OK, SEEK_PAST_END };
+
+private:
+    struct Page
+    {
+        Page * m_pPrev;
+        Page * m_pNext;
+        sal_Int8 * m_pStart;
+        sal_Int8 * m_pRead;
+        sal_Int8 * m_pEnd;
+        sal_uInt32 m_nOffset;
+        sal_Int8 m_aBuffer[1];
+    };
+    static const sal_uInt32 m_nPageSize = 1000;
+
+    std::multiset< sal_uInt32 > m_aMarks;
+    Page * m_pFirstPage;
+    Page * m_pReadPage;
+    Page * m_pWritePage;
+    sal_Int8 * m_pReadBuffer;
+    sal_uInt32 m_nReadBufferSize;
+    sal_uInt32 m_nReadBufferFilled;
+    sal_uInt32 m_nPages;
+    bool m_bEOF;
+
+    void remove(Page * pPage);
+
+public:
+    inline SvDataPipe_Impl();
+
+    ~SvDataPipe_Impl();
+
+    inline void setReadBuffer(sal_Int8 * pBuffer, sal_uInt32 nSize);
+
+    sal_uInt32 read();
+
+    void clearReadBuffer() { m_pReadBuffer = nullptr; }
+
+    void write(sal_Int8 const * pBuffer, sal_uInt32 nSize);
+
+    void setEOF() { m_bEOF = true; }
+
+    inline bool isEOF() const;
+
+    SeekResult setReadPosition(sal_uInt32 nPosition);
+};
+
+SvDataPipe_Impl::SvDataPipe_Impl()
+    : m_pFirstPage( nullptr )
+    , m_pReadPage( nullptr )
+    , m_pWritePage( nullptr )
+    , m_pReadBuffer( nullptr )
+    , m_nReadBufferSize( 0 )
+    , m_nReadBufferFilled( 0 )
+    , m_nPages( 0 )
+    , m_bEOF( false )
+{}
+
+inline void SvDataPipe_Impl::setReadBuffer(sal_Int8 * pBuffer,
+                                           sal_uInt32 nSize)
+{
+    m_pReadBuffer = pBuffer;
+    m_nReadBufferSize = nSize;
+    m_nReadBufferFilled = 0;
+}
+
+inline bool SvDataPipe_Impl::isEOF() const
+{
+    return m_bEOF && m_pReadPage == m_pWritePage
+           && (!m_pReadPage || m_pReadPage->m_pRead == m_pReadPage->m_pEnd);
+}
+
+
+
+//  SvInputStream
+
+bool SvInputStream::open()
+{
+    if (GetError() != ERRCODE_NONE)
+        return false;
+    if (!(m_xSeekable.is() || m_pPipe))
+    {
+        if (!m_xStream.is())
+        {
+            SetError(ERRCODE_IO_INVALIDDEVICE);
+            return false;
+        }
+        m_xSeekable.set(m_xStream, uno::UNO_QUERY);
+        if (!m_xSeekable.is())
+            m_pPipe.reset( new SvDataPipe_Impl );
+    }
+    return true;
+}
+
+// virtual
+std::size_t SvInputStream::GetData(void * pData, std::size_t const nSize)
+{
+    if (!open())
+    {
+        SetError(ERRCODE_IO_CANTREAD);
+        return 0;
+    }
+    // check if a truncated STREAM_SEEK_TO_END was passed
+    assert(m_nSeekedFrom != SAL_MAX_UINT32);
+    sal_uInt32 nRead = 0;
+    if (m_xSeekable.is())
+    {
+        if (m_nSeekedFrom != STREAM_SEEK_TO_END)
+        {
+            try
+            {
+                m_xSeekable->seek(m_nSeekedFrom);
+            }
+            catch (const io::IOException&)
+            {
+                SetError(ERRCODE_IO_CANTREAD);
+                return 0;
+            }
+            m_nSeekedFrom = STREAM_SEEK_TO_END;
+        }
+        for (;;)
+        {
+            sal_Int32 nRemain
+                = sal_Int32(
+                    std::min(std::size_t(nSize - nRead),
+                             std::size_t(std::numeric_limits<sal_Int32>::max())));
+            if (nRemain == 0)
+                break;
+            uno::Sequence< sal_Int8 > aBuffer;
+            sal_Int32 nCount;
+            try
+            {
+                nCount = m_xStream->readBytes(aBuffer, nRemain);
+            }
+            catch (const io::IOException&)
+            {
+                SetError(ERRCODE_IO_CANTREAD);
+                return nRead;
+            }
+            memcpy(static_cast< sal_Int8 * >(pData) + nRead,
+                           aBuffer.getConstArray(), sal_uInt32(nCount));
+            nRead += nCount;
+            if (nCount < nRemain)
+                break;
+        }
+    }
+    else
+    {
+        if (m_nSeekedFrom != STREAM_SEEK_TO_END)
+        {
+            SetError(ERRCODE_IO_CANTREAD);
+            return 0;
+        }
+        m_pPipe->setReadBuffer(static_cast< sal_Int8 * >(pData), nSize);
+        nRead = m_pPipe->read();
+        if (nRead < nSize && !m_pPipe->isEOF())
+            for (;;)
+            {
+                sal_Int32 nRemain
+                    = sal_Int32(
+                        std::min(
+                            std::size_t(nSize - nRead),
+                            std::size_t(std::numeric_limits<sal_Int32>::max())));
+                if (nRemain == 0)
+                    break;
+                uno::Sequence< sal_Int8 > aBuffer;
+                sal_Int32 nCount;
+                try
+                {
+                    nCount = m_xStream->readBytes(aBuffer, nRemain);
+                }
+                catch (const io::IOException&)
+                {
+                    SetError(ERRCODE_IO_CANTREAD);
+                    break;
+                }
+                m_pPipe->write(aBuffer.getConstArray(), sal_uInt32(nCount));
+                nRead += m_pPipe->read();
+                if (nCount < nRemain)
+                {
+                    m_xStream->closeInput();
+                    m_pPipe->setEOF();
+                    break;
+                }
+            }
+        m_pPipe->clearReadBuffer();
+    }
+    return nRead;
+}
+
+// virtual
+std::size_t SvInputStream::PutData(void const *, std::size_t)
+{
+    SetError(ERRCODE_IO_NOTSUPPORTED);
+    return 0;
+}
+
+// virtual
+void SvInputStream::FlushData()
+{}
+
+// virtual
+sal_uInt64 SvInputStream::SeekPos(sal_uInt64 const nPos)
+{
+    // check if a truncated STREAM_SEEK_TO_END was passed
+    assert(nPos != SAL_MAX_UINT32);
+    if (open())
+    {
+        if (nPos == STREAM_SEEK_TO_END)
+        {
+            if (m_nSeekedFrom == STREAM_SEEK_TO_END)
+            {
+                if (m_xSeekable.is())
+                    try
+                    {
+                        sal_Int64 nLength = m_xSeekable->getLength();
+                        OSL_ASSERT(nLength >= 0);
+                        if (o3tl::make_unsigned(nLength)
+                            < STREAM_SEEK_TO_END)
+                        {
+                            m_nSeekedFrom = Tell();
+                            return sal_uInt64(nLength);
+                        }
+                    }
+                    catch (const io::IOException&)
+                    {
+                    }
+                else
+                    return Tell(); //@@@
+            }
+            else
+                return Tell();
+        }
+        else if (nPos == m_nSeekedFrom)
+        {
+            m_nSeekedFrom = STREAM_SEEK_TO_END;
+            return nPos;
+        }
+        else if (m_xSeekable.is())
+        {
+            try
+            {
+                m_xSeekable->seek(nPos);
+                m_nSeekedFrom = STREAM_SEEK_TO_END;
+                return nPos;
+            }
+            catch (const io::IOException&)
+            {
+            }
+        }
+        else if (m_pPipe->setReadPosition(nPos) == SvDataPipe_Impl::SEEK_OK)
+        {
+            m_nSeekedFrom = STREAM_SEEK_TO_END;
+            return nPos;
+        }
+        else if ( nPos > Tell() )
+        {
+            // Read out the bytes
+            sal_Int32 nRead = nPos - Tell();
+            uno::Sequence< sal_Int8 > aBuffer;
+            m_xStream->readBytes( aBuffer, nRead );
+            return nPos;
+        }
+        else if ( nPos == Tell() )
+            return nPos;
+    }
+    SetError(ERRCODE_IO_CANTSEEK);
+    return Tell();
+}
+
+// virtual
+void SvInputStream::SetSize(sal_uInt64)
+{
+    SetError(ERRCODE_IO_NOTSUPPORTED);
+}
+
+SvInputStream::SvInputStream( css::uno::Reference< css::io::XInputStream > xTheStream):
+    m_xStream(std::move(xTheStream)),
+    m_nSeekedFrom(STREAM_SEEK_TO_END)
+{
+    SetBufferSize(0);
+}
+
+// virtual
+SvInputStream::~SvInputStream()
+{
+    if (m_xStream.is())
+    {
+        try
+        {
+            m_xStream->closeInput();
+        }
+        catch (const io::IOException&)
+        {
+        }
+    }
+}
+
+//  SvOutputStream
+
+// virtual
+std::size_t SvOutputStream::GetData(void *, std::size_t)
+{
+    SetError(ERRCODE_IO_NOTSUPPORTED);
+    return 0;
+}
+
+// virtual
+std::size_t SvOutputStream::PutData(void const * pData, std::size_t nSize)
+{
+    if (!m_xStream.is())
+    {
+        SetError(ERRCODE_IO_CANTWRITE);
+        return 0;
+    }
+    std::size_t nWritten = 0;
+    for (;;)
+    {
+        sal_Int32 nRemain
+            = sal_Int32(
+                std::min(std::size_t(nSize - nWritten),
+                         std::size_t(std::numeric_limits<sal_Int32>::max())));
+        if (nRemain == 0)
+            break;
+        try
+        {
+            m_xStream->writeBytes(uno::Sequence< sal_Int8 >(
+                                      static_cast<const sal_Int8 * >(pData)
+                                          + nWritten,
+                                      nRemain));
+        }
+        catch (const io::IOException&)
+        {
+            SetError(ERRCODE_IO_CANTWRITE);
+            break;
+        }
+        nWritten += nRemain;
+    }
+    return nWritten;
+}
+
+// virtual
+sal_uInt64 SvOutputStream::SeekPos(sal_uInt64)
+{
+    SetError(ERRCODE_IO_NOTSUPPORTED);
+    return 0;
+}
+
+// virtual
+void SvOutputStream::FlushData()
+{
+    if (!m_xStream.is())
+    {
+        SetError(ERRCODE_IO_INVALIDDEVICE);
+        return;
+    }
+    try
+    {
+        m_xStream->flush();
+    }
+    catch (const io::IOException&)
+    {
+    }
+}
+
+// virtual
+void SvOutputStream::SetSize(sal_uInt64)
+{
+    SetError(ERRCODE_IO_NOTSUPPORTED);
+}
+
+SvOutputStream::SvOutputStream(uno::Reference< io::XOutputStream > xTheStream):
+    m_xStream(std::move(xTheStream))
+{
+    SetBufferSize(0);
+}
+
+// virtual
+SvOutputStream::~SvOutputStream()
+{
+    if (m_xStream.is())
+    {
+        try
+        {
+            m_xStream->closeOutput();
+        }
+        catch (const io::IOException&)
+        {
+        }
+    }
+}
+
+
+//  SvDataPipe_Impl
+
+
+void SvDataPipe_Impl::remove(Page * pPage)
+{
+    if (
+        pPage != m_pFirstPage ||
+        m_pReadPage == m_pFirstPage ||
+        (
+         !m_aMarks.empty() &&
+         *m_aMarks.begin() < m_pFirstPage->m_nOffset + m_nPageSize
+        )
+       )
+    {
+        return;
+    }
+
+    m_pFirstPage = m_pFirstPage->m_pNext;
+
+    if (m_nPages <= 100) // min pages
+        return;
+
+    pPage->m_pPrev->m_pNext = pPage->m_pNext;
+    pPage->m_pNext->m_pPrev = pPage->m_pPrev;
+    std::free(pPage);
+    --m_nPages;
+}
+
+SvDataPipe_Impl::~SvDataPipe_Impl()
+{
+    if (m_pFirstPage != nullptr)
+        for (Page * pPage = m_pFirstPage;;)
+        {
+            Page * pNext = pPage->m_pNext;
+            std::free(pPage);
+            if (pNext == m_pFirstPage)
+                break;
+            pPage = pNext;
+        }
+}
+
+sal_uInt32 SvDataPipe_Impl::read()
+{
+    if (m_pReadBuffer == nullptr || m_nReadBufferSize == 0 || m_pReadPage == nullptr)
+        return 0;
+
+    sal_uInt32 nSize = m_nReadBufferSize;
+    sal_uInt32 nRemain = m_nReadBufferSize - m_nReadBufferFilled;
+
+    m_pReadBuffer += m_nReadBufferFilled;
+    m_nReadBufferSize -= m_nReadBufferFilled;
+    m_nReadBufferFilled = 0;
+
+    while (nRemain > 0)
+    {
+        sal_uInt32 nBlock = std::min(sal_uInt32(m_pReadPage->m_pEnd
+                                                    - m_pReadPage->m_pRead),
+                                     nRemain);
+        memcpy(m_pReadBuffer, m_pReadPage->m_pRead, nBlock);
+        m_pReadPage->m_pRead += nBlock;
+        m_pReadBuffer += nBlock;
+        m_nReadBufferSize -= nBlock;
+        m_nReadBufferFilled = 0;
+        nRemain -= nBlock;
+
+        if (m_pReadPage == m_pWritePage)
+            break;
+
+        if (m_pReadPage->m_pRead == m_pReadPage->m_pEnd)
+        {
+            Page * pRemove = m_pReadPage;
+            m_pReadPage = pRemove->m_pNext;
+            remove(pRemove);
+        }
+    }
+
+    return nSize - nRemain;
+}
+
+void SvDataPipe_Impl::write(sal_Int8 const * pBuffer, sal_uInt32 nSize)
+{
+    if (nSize == 0)
+        return;
+
+    if (m_pWritePage == nullptr)
+    {
+        m_pFirstPage
+            = static_cast< Page * >(std::malloc(sizeof (Page)
+                                           + m_nPageSize
+                                           - 1));
+        m_pFirstPage->m_pPrev = m_pFirstPage;
+        m_pFirstPage->m_pNext = m_pFirstPage;
+        m_pFirstPage->m_pStart = m_pFirstPage->m_aBuffer;
+        m_pFirstPage->m_pRead = m_pFirstPage->m_aBuffer;
+        m_pFirstPage->m_pEnd = m_pFirstPage->m_aBuffer;
+        m_pFirstPage->m_nOffset = 0;
+        m_pReadPage = m_pFirstPage;
+        m_pWritePage = m_pFirstPage;
+        ++m_nPages;
+    }
+
+    sal_uInt32 nRemain = nSize;
+
+    if (m_pReadBuffer != nullptr && m_pReadPage == m_pWritePage
+        && m_pReadPage->m_pRead == m_pWritePage->m_pEnd)
+    {
+        sal_uInt32 nBlock = std::min(nRemain,
+                                     sal_uInt32(m_nReadBufferSize
+                                                    - m_nReadBufferFilled));
+        sal_uInt32 nPosition = m_pWritePage->m_nOffset
+                                   + (m_pWritePage->m_pEnd
+                                          - m_pWritePage->m_aBuffer);
+        if (!m_aMarks.empty())
+            nBlock = *m_aMarks.begin() > nPosition ?
+                         std::min(nBlock, sal_uInt32(*m_aMarks.begin()
+                                                         - nPosition)) :
+                         0;
+
+        if (nBlock > 0)
+        {
+            memcpy(m_pReadBuffer + m_nReadBufferFilled, pBuffer,
+                           nBlock);
+            m_nReadBufferFilled += nBlock;
+            nRemain -= nBlock;
+
+            nPosition += nBlock;
+            m_pWritePage->m_nOffset = (nPosition / m_nPageSize) * m_nPageSize;
+            m_pWritePage->m_pStart = m_pWritePage->m_aBuffer
+                                         + nPosition % m_nPageSize;
+            m_pWritePage->m_pRead = m_pWritePage->m_pStart;
+            m_pWritePage->m_pEnd = m_pWritePage->m_pStart;
+        }
+    }
+
+    if (nRemain <= 0)
+        return;
+
+    for (;;)
+    {
+        sal_uInt32 nBlock
+            = std::min(sal_uInt32(m_pWritePage->m_aBuffer + m_nPageSize
+                                      - m_pWritePage->m_pEnd),
+                       nRemain);
+        memcpy(m_pWritePage->m_pEnd, pBuffer, nBlock);
+        m_pWritePage->m_pEnd += nBlock;
+        pBuffer += nBlock;
+        nRemain -= nBlock;
+
+        if (nRemain == 0)
+            break;
+
+        if (m_pWritePage->m_pNext == m_pFirstPage)
+        {
+            if (m_nPages == std::numeric_limits< sal_uInt32 >::max())
+                break;
+
+            Page * pNew
+                = static_cast< Page * >(std::malloc(
+                                            sizeof (Page) + m_nPageSize
+                                                - 1));
+            pNew->m_pPrev = m_pWritePage;
+            pNew->m_pNext = m_pWritePage->m_pNext;
+
+            m_pWritePage->m_pNext->m_pPrev = pNew;
+            m_pWritePage->m_pNext = pNew;
+            ++m_nPages;
+        }
+
+        m_pWritePage->m_pNext->m_nOffset = m_pWritePage->m_nOffset
+                                               + m_nPageSize;
+        m_pWritePage = m_pWritePage->m_pNext;
+        m_pWritePage->m_pStart = m_pWritePage->m_aBuffer;
+        m_pWritePage->m_pRead = m_pWritePage->m_aBuffer;
+        m_pWritePage->m_pEnd = m_pWritePage->m_aBuffer;
+    }
+}
+
+SvDataPipe_Impl::SeekResult SvDataPipe_Impl::setReadPosition(sal_uInt32
+                                                                 nPosition)
+{
+    if (m_pFirstPage == nullptr)
+        return nPosition == 0 ? SEEK_OK : SEEK_PAST_END;
+
+    if (nPosition
+            <= m_pReadPage->m_nOffset
+                   + (m_pReadPage->m_pRead - m_pReadPage->m_aBuffer))
+    {
+        if (nPosition
+                < m_pFirstPage->m_nOffset
+                      + (m_pFirstPage->m_pStart - m_pFirstPage->m_aBuffer))
+            return SEEK_BEFORE_MARKED;
+
+        while (nPosition < m_pReadPage->m_nOffset)
+        {
+            m_pReadPage->m_pRead = m_pReadPage->m_pStart;
+            m_pReadPage = m_pReadPage->m_pPrev;
+        }
+    }
+    else
+    {
+        if (nPosition
+                > m_pWritePage->m_nOffset
+                      + (m_pWritePage->m_pEnd - m_pWritePage->m_aBuffer))
+            return SEEK_PAST_END;
+
+        while (m_pReadPage != m_pWritePage
+               && nPosition >= m_pReadPage->m_nOffset + m_nPageSize)
+        {
+            Page * pRemove = m_pReadPage;
+            m_pReadPage = pRemove->m_pNext;
+            remove(pRemove);
+        }
+    }
+
+    m_pReadPage->m_pRead = m_pReadPage->m_aBuffer
+                               + (nPosition - m_pReadPage->m_nOffset);
+    return SEEK_OK;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/misc/urihelper.cxx b/svl/source/misc/urihelper.cxx
new file mode 100644
index 0000000000..6488edb5bb
--- /dev/null
+++ b/svl/source/misc/urihelper.cxx
@@ -0,0 +1,884 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <memory>
+#include <string_view>
+
+#include <sal/config.h>
+
+#include <unicode/idna.h>
+
+#include <svl/urihelper.hxx>
+#include <com/sun/star/ucb/Command.hpp>
+#include <com/sun/star/ucb/IllegalIdentifierException.hpp>
+#include <com/sun/star/ucb/UniversalContentBroker.hpp>
+#include <com/sun/star/ucb/UnsupportedCommandException.hpp>
+#include <com/sun/star/ucb/XCommandEnvironment.hpp>
+#include <com/sun/star/ucb/XCommandProcessor.hpp>
+#include <com/sun/star/ucb/XContent.hpp>
+#include <com/sun/star/ucb/XUniversalContentBroker.hpp>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Exception.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/uri/UriReferenceFactory.hpp>
+#include <com/sun/star/uri/XUriReference.hpp>
+#include <com/sun/star/uri/XUriReferenceFactory.hpp>
+#include <comphelper/processfactory.hxx>
+#include <osl/diagnose.h>
+#include <rtl/character.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <sal/log.hxx>
+#include <tools/inetmime.hxx>
+#include <unotools/charclass.hxx>
+
+using namespace com::sun::star;
+
+OUString URIHelper::SmartRel2Abs(INetURLObject const & rTheBaseURIRef,
+                                 OUString const & rTheRelURIRef,
+                                 Link<OUString *, bool> const & rMaybeFileHdl,
+                                 bool bCheckFileExists,
+                                 bool bIgnoreFragment,
+                                 INetURLObject::EncodeMechanism eEncodeMechanism,
+                                 INetURLObject::DecodeMechanism eDecodeMechanism,
+                                 rtl_TextEncoding eCharset,
+                                 FSysStyle eStyle)
+{
+    // Backwards compatibility:
+    if( rTheRelURIRef.startsWith("#") )
+        return rTheRelURIRef;
+
+    INetURLObject aAbsURIRef;
+    if (rTheBaseURIRef.HasError())
+        aAbsURIRef. SetSmartURL(rTheRelURIRef, eEncodeMechanism, eCharset, eStyle);
+    else
+    {
+        bool bWasAbsolute;
+        aAbsURIRef = rTheBaseURIRef.smartRel2Abs(rTheRelURIRef,
+                                                 bWasAbsolute,
+                                                 bIgnoreFragment,
+                                                 eEncodeMechanism,
+                                                 eCharset,
+                                                 false/*bRelativeNonURIs*/,
+                                                 eStyle);
+        if (bCheckFileExists
+            && !bWasAbsolute
+            && (aAbsURIRef.GetProtocol() == INetProtocol::File))
+        {
+            INetURLObject aNonFileURIRef;
+            aNonFileURIRef.SetSmartURL(rTheRelURIRef,
+                                       eEncodeMechanism,
+                                       eCharset,
+                                       eStyle);
+            if (!aNonFileURIRef.HasError()
+                && aNonFileURIRef.GetProtocol() != INetProtocol::File)
+            {
+                bool bMaybeFile = false;
+                if (rMaybeFileHdl.IsSet())
+                {
+                    OUString aFilePath(rTheRelURIRef);
+                    bMaybeFile = rMaybeFileHdl.Call(&aFilePath);
+                }
+                if (!bMaybeFile)
+                    aAbsURIRef = aNonFileURIRef;
+            }
+        }
+    }
+    return aAbsURIRef.GetMainURL(eDecodeMechanism, eCharset);
+}
+
+namespace { Link<OUString *, bool> gMaybeFileHdl; }
+
+void URIHelper::SetMaybeFileHdl(Link<OUString *, bool> const & rTheMaybeFileHdl)
+{
+    gMaybeFileHdl = rTheMaybeFileHdl;
+}
+
+Link<OUString *, bool> const & URIHelper::GetMaybeFileHdl()
+{
+    return gMaybeFileHdl;
+}
+
+namespace {
+
+bool isAbsoluteHierarchicalUriReference(
+    css::uno::Reference< css::uri::XUriReference > const & uriReference)
+{
+    return uriReference.is() && uriReference->isAbsolute()
+        && !uriReference->hasRelativePath();
+}
+
+// To improve performance, assume that if for any prefix URL of a given
+// hierarchical URL either a UCB content cannot be created, or the UCB content
+// does not support the getCasePreservingURL command, then this will hold for
+// any other prefix URL of the given URL, too:
+enum Result { Success, GeneralFailure, SpecificFailure };
+
+Result normalizePrefix( css::uno::Reference< css::ucb::XUniversalContentBroker > const & broker,
+                        OUString const & uri, OUString * normalized)
+{
+    OSL_ASSERT(broker.is() && normalized != nullptr);
+    css::uno::Reference< css::ucb::XContent > content;
+    try {
+        content = broker->queryContent(broker->createContentIdentifier(uri));
+    } catch (css::ucb::IllegalIdentifierException &) {}
+    if (!content.is()) {
+        return GeneralFailure;
+    }
+    try {
+        bool ok =
+            (css::uno::Reference< css::ucb::XCommandProcessor >(
+                   content, css::uno::UNO_QUERY_THROW)->execute(
+                       css::ucb::Command("getCasePreservingURL",
+                           -1, css::uno::Any()),
+                       0,
+                       css::uno::Reference< css::ucb::XCommandEnvironment >())
+               >>= *normalized);
+        OSL_ASSERT(ok);
+    } catch (css::uno::RuntimeException &) {
+        throw;
+    } catch (css::ucb::UnsupportedCommandException &) {
+        return GeneralFailure;
+    } catch (css::uno::Exception &) {
+        return SpecificFailure;
+    }
+    return Success;
+}
+
+OUString normalize(
+    css::uno::Reference< css::ucb::XUniversalContentBroker > const & broker,
+    css::uno::Reference< css::uri::XUriReferenceFactory > const & uriFactory,
+    OUString const & uriReference)
+{
+    // normalizePrefix can potentially fail (a typically example being a file
+    // URL that denotes a non-existing resource); in such a case, try to
+    // normalize as long a prefix of the given URL as possible (i.e., normalize
+    // all the existing directories within the path):
+    OUString normalized;
+    sal_Int32 n = uriReference.indexOf('#');
+    normalized = n == -1 ? uriReference : uriReference.copy(0, n);
+    switch (normalizePrefix(broker, normalized, &normalized)) {
+    case Success:
+        return n == -1 ? normalized : normalized + uriReference.subView(n);
+    case GeneralFailure:
+        return uriReference;
+    case SpecificFailure:
+    default:
+        break;
+    }
+    css::uno::Reference< css::uri::XUriReference > ref(
+        uriFactory->parse(uriReference));
+    if (!isAbsoluteHierarchicalUriReference(ref)) {
+        return uriReference;
+    }
+    sal_Int32 count = ref->getPathSegmentCount();
+    if (count < 2) {
+        return uriReference;
+    }
+    OUStringBuffer head(ref->getScheme());
+    head.append(':');
+    if (ref->hasAuthority()) {
+        head.append("//" + ref->getAuthority());
+    }
+    for (sal_Int32 i = count - 1; i > 0; --i) {
+        OUStringBuffer buf(head);
+        for (sal_Int32 j = 0; j < i; ++j) {
+            buf.append('/');
+            buf.append(ref->getPathSegment(j));
+        }
+        normalized = buf.makeStringAndClear();
+        if (normalizePrefix(broker, normalized, &normalized) != SpecificFailure)
+        {
+            buf.append(normalized);
+            css::uno::Reference< css::uri::XUriReference > preRef(
+                uriFactory->parse(normalized));
+            if (!isAbsoluteHierarchicalUriReference(preRef)) {
+                // This could only happen if something is inconsistent:
+                break;
+            }
+            sal_Int32 preCount = preRef->getPathSegmentCount();
+            // normalizePrefix may have added or removed a final slash:
+            if (preCount != i) {
+                if (preCount == i - 1) {
+                    buf.append('/');
+                } else if (preCount - 1 == i && !buf.isEmpty()
+                           && buf[buf.getLength() - 1] == '/')
+                {
+                    buf.setLength(buf.getLength() - 1);
+                } else {
+                    // This could only happen if something is inconsistent:
+                    break;
+                }
+            }
+            for (sal_Int32 j = i; j < count; ++j) {
+                buf.append('/');
+                buf.append(ref->getPathSegment(j));
+            }
+            if (ref->hasQuery()) {
+                buf.append('?');
+                buf.append(ref->getQuery());
+            }
+            if (ref->hasFragment()) {
+                buf.append('#');
+                buf.append(ref->getFragment());
+            }
+            return buf.makeStringAndClear();
+        }
+    }
+    return uriReference;
+}
+
+}
+
+css::uno::Reference< css::uri::XUriReference >
+URIHelper::normalizedMakeRelative(
+    css::uno::Reference< css::uno::XComponentContext > const & context,
+    OUString const & baseUriReference, OUString const & uriReference)
+{
+    OSL_ASSERT(context.is());
+    css::uno::Reference< css::ucb::XUniversalContentBroker > broker(
+        css::ucb::UniversalContentBroker::create(context));
+    css::uno::Reference< css::uri::XUriReferenceFactory > uriFactory(
+        css::uri::UriReferenceFactory::create(context));
+    return uriFactory->makeRelative(
+        uriFactory->parse(normalize(broker, uriFactory, baseUriReference)),
+        uriFactory->parse(normalize(broker, uriFactory, uriReference)), true,
+        true, false);
+}
+
+OUString URIHelper::simpleNormalizedMakeRelative(
+    OUString const & baseUriReference, OUString const & uriReference)
+{
+    css::uno::Reference< css::uri::XUriReference > rel(
+        URIHelper::normalizedMakeRelative(
+            comphelper::getProcessComponentContext(), baseUriReference,
+            uriReference));
+    return rel.is() ? rel->getUriReference() : uriReference;
+}
+
+
+//  FindFirstURLInText
+
+
+namespace {
+
+sal_Int32 nextChar(std::u16string_view rStr, sal_Int32 nPos)
+{
+    return rtl::isHighSurrogate(rStr[nPos])
+           && rStr.size() - nPos >= 2
+           && rtl::isLowSurrogate(rStr[nPos + 1]) ?
+        nPos + 2 : nPos + 1;
+}
+
+bool isBoundary1(CharClass const & rCharClass, OUString const & rStr,
+                 sal_Int32 nPos, sal_Int32 nEnd)
+{
+    if (nPos == nEnd)
+        return true;
+    if (rCharClass.isLetterNumeric(rStr, nPos))
+        return false;
+    switch (rStr[nPos])
+    {
+    case '$':
+    case '%':
+    case '&':
+    case '-':
+    case '/':
+    case '@':
+    case '\\':
+        return false;
+    default:
+        return true;
+    }
+}
+
+bool isBoundary2(CharClass const & rCharClass, OUString const & rStr,
+                 sal_Int32 nPos, sal_Int32 nEnd)
+{
+    if (nPos == nEnd)
+        return true;
+    if (rCharClass.isLetterNumeric(rStr, nPos))
+        return false;
+    switch (rStr[nPos])
+    {
+    case '!':
+    case '#':
+    case '$':
+    case '%':
+    case '&':
+    case '\'':
+    case '*':
+    case '+':
+    case '-':
+    case '/':
+    case '=':
+    case '?':
+    case '@':
+    case '^':
+    case '_':
+    case '`':
+    case '{':
+    case '|':
+    case '}':
+    case '~':
+        return false;
+    default:
+        return true;
+    }
+}
+
+// tdf#145381 Added MatchingBracketDepth counter to detect matching closing
+// brackets that are part of the uri
+bool checkWChar(CharClass const & rCharClass, OUString const & rStr,
+                sal_Int32 * pPos, sal_Int32 * pEnd,
+                sal_Int32 * pMatchingBracketDepth = nullptr,
+                bool bBackslash = false, bool bPipe = false)
+{
+    sal_Unicode c = rStr[*pPos];
+    if (rtl::isAscii(c))
+    {
+        static sal_uInt8 const aMap[128]
+            = { 0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0,
+                0, 0, 0, 0, 0, 0, 0, 0,
+                0, 1, 0, 0, 4, 4, 4, 1,   //  !"#$%&'
+                5, 6, 1, 1, 1, 4, 1, 4,   // ()*+,-./
+                4, 4, 4, 4, 4, 4, 4, 4,   // 01234567
+                4, 4, 1, 1, 0, 1, 0, 1,   // 89:;<=>?
+                4, 4, 4, 4, 4, 4, 4, 4,   // @ABCDEFG
+                4, 4, 4, 4, 4, 4, 4, 4,   // HIJKLMNO
+                4, 4, 4, 4, 4, 4, 4, 4,   // PQRSTUVW
+                4, 4, 4, 1, 2, 1, 0, 1,   // XYZ[\]^_
+                0, 4, 4, 4, 4, 4, 4, 4,   // `abcdefg
+                4, 4, 4, 4, 4, 4, 4, 4,   // hijklmno
+                4, 4, 4, 4, 4, 4, 4, 4,   // pqrstuvw
+                4, 4, 4, 0, 3, 0, 1, 0 }; // xyz{|}~
+        switch (aMap[c])
+        {
+            default: // not uric
+                return false;
+
+            case 1: // uric
+                ++(*pPos);
+                return true;
+
+            case 2: // "\"
+                if (bBackslash)
+                {
+                    *pEnd = ++(*pPos);
+                    return true;
+                }
+                else
+                    return false;
+
+            case 3: // "|"
+                if (bPipe)
+                {
+                    *pEnd = ++(*pPos);
+                    return true;
+                }
+                else
+                    return false;
+
+            case 4: // alpha, digit, "$", "%", "&", "-", "/", "@" (see
+                    // isBoundary1)
+                *pEnd = ++(*pPos);
+                return true;
+
+            case 5: // opening bracket
+                ++(*pPos);
+                if(nullptr != pMatchingBracketDepth)
+                    ++(*pMatchingBracketDepth);
+                return true;
+
+            case 6: // closing bracket
+                ++(*pPos);
+                if(nullptr != pMatchingBracketDepth && *pMatchingBracketDepth > 0)
+                {
+                    --(*pMatchingBracketDepth);
+                    // tdf#145381 When there was an opening bracket, detect this closing bracket
+                    // as part of the uri
+                    *pEnd = *pPos;
+                }
+                return true;
+
+        }
+    }
+    else if (rCharClass.isLetterNumeric(rStr, *pPos))
+    {
+        *pEnd = *pPos = nextChar(rStr, *pPos);
+        return true;
+    }
+    else
+        return false;
+}
+
+sal_uInt32 scanDomain(OUString const & rStr, sal_Int32 * pPos,
+                      sal_Int32 nEnd)
+{
+    sal_Unicode const * pBuffer = rStr.getStr();
+    sal_Unicode const * p = pBuffer + *pPos;
+    sal_uInt32 nLabels = INetURLObject::scanDomain(p, pBuffer + nEnd, false);
+    *pPos = sal::static_int_cast< sal_Int32 >(p - pBuffer);
+    return nLabels;
+}
+
+}
+
+OUString URIHelper::FindFirstURLInText(OUString const & rText,
+                                       sal_Int32 & rBegin,
+                                       sal_Int32 & rEnd,
+                                       CharClass const & rCharClass,
+                                       INetURLObject::EncodeMechanism eMechanism,
+                                       rtl_TextEncoding eCharset)
+{
+    if (rBegin > rEnd || rEnd > rText.getLength())
+        return OUString();
+
+    // Search for the first substring of [rBegin..rEnd[ that matches any of the
+    // following productions (for which the appropriate style bit is set in
+    // eStyle, if applicable).
+
+    // 1st Production (known scheme):
+    //    \B1 <one of the known schemes, except file> ":" 1*wchar ["#" 1*wchar]
+    //        \B1
+
+    // 2nd Production (file):
+    //    \B1 "FILE:" 1*(wchar / "\" / "|") ["#" 1*wchar] \B1
+
+    // 3rd Production (ftp):
+    //    \B1 "FTP" 2*("." label) ["/" *wchar] ["#" 1*wchar] \B1
+
+    // 4th Production (http):
+    //    \B1 "WWW" 2*("." label) ["/" *wchar] ["#" 1*wchar] \B1
+
+    // 5th Production (mailto):
+    //    \B2 local-part "@" domain \B1
+
+    // 6th Production (UNC file):
+    //    \B1 "\\" domain "\" *(wchar / "\") \B1
+
+    // 7th Production (DOS file):
+    //    \B1 ALPHA ":\" *(wchar / "\") \B1
+
+    // 8th Production (Unix-like DOS file):
+    //    \B1 ALPHA ":/" *(wchar / "\") \B1
+
+    // The productions use the following auxiliary rules.
+
+    //    local-part = atom *("." atom)
+    //    atom = 1*(alphanum / "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+"
+    //              / "-" / "/" / "=" / "?" / "^" / "_" / "`" / "{" / "|" / "}"
+    //              / "~")
+    //    domain = label *("." label)
+    //    label = alphanum [*(alphanum / "-") alphanum]
+    //    alphanum = ALPHA / DIGIT
+    //    wchar = <any uric character (ignoring the escaped rule), or "%", or
+    //             a letter or digit (according to rCharClass)>
+
+    // "\B1" (boundary 1) stands for the beginning or end of the block of text,
+    // or a character that is neither (a) a letter or digit (according to
+    // rCharClass), nor (b) any of "$", "%", "&", "-", "/", "@", or "\".
+    // (FIXME:  What was the rationale for this set of punctuation characters?)
+
+    // "\B2" (boundary 2) stands for the beginning or end of the block of text,
+    // or a character that is neither (a) a letter or digit (according to
+    // rCharClass), nor (b) any of "!", "#", "$", "%", "&", "'", "*", "+", "-",
+    // "/", "=", "?", "@", "^", "_", "`", "{", "|", "}", or "~" (i.e., an RFC
+    // 822 <atom> character, or "@" from \B1's set above).
+
+    // Productions 1--4, and 6--8 try to find a maximum-length match, but they
+    // stop at the first <wchar> character that is a "\B1" character which is
+    // only followed by "\B1" characters (taking "\" and "|" characters into
+    // account appropriately).  Production 5 simply tries to find a maximum-
+    // length match.
+
+    // Productions 1--4 use the given eMechanism and eCharset.  Productions 5--9
+    // use EncodeMechanism::All.
+
+    // Productions 6--9 are only applicable if the FSysStyle::Dos bit is set in
+    // eStyle.
+
+    // tdf#145381: In addition to the productions I added a mechanism to detect
+    // matching brackets. The task presents the case of an url that ends on a
+    // closing bracket. This needs to be detected as part of the uri in the case
+    // that a matching opening bracket exists.
+
+    bool bBoundary1 = true;
+    bool bBoundary2 = true;
+    for (sal_Int32 nPos = rBegin; nPos != rEnd; nPos = nextChar(rText, nPos))
+    {
+        sal_Unicode c = rText[nPos];
+        if (bBoundary1)
+        {
+            if (rtl::isAsciiAlpha(c))
+            {
+                sal_Int32 i = nPos;
+                INetProtocol eScheme = INetURLObject::CompareProtocolScheme(rText.subView(i, rEnd - i));
+                if (eScheme == INetProtocol::File) // 2nd
+                {
+                    while (rText[i++] != ':') ;
+                    sal_Int32 nPrefixEnd = i;
+                    sal_Int32 nUriEnd = i;
+                    while (i != rEnd
+                           && checkWChar(rCharClass, rText, &i, &nUriEnd, nullptr, true,
+                                         true)) ;
+                    if (i != nPrefixEnd && i != rEnd && rText[i] == '#')
+                    {
+                        ++i;
+                        while (i != rEnd
+                               && checkWChar(rCharClass, rText, &i, &nUriEnd)) ;
+                    }
+                    if (nUriEnd != nPrefixEnd
+                        && isBoundary1(rCharClass, rText, nUriEnd, rEnd))
+                    {
+                        INetURLObject aUri(rText.subView(nPos, nUriEnd - nPos),
+                                           INetProtocol::File, eMechanism, eCharset,
+                                           FSysStyle::Detect);
+                        if (!aUri.HasError())
+                        {
+                            rBegin = nPos;
+                            rEnd = nUriEnd;
+                            return
+                                aUri.GetMainURL(INetURLObject::DecodeMechanism::ToIUri);
+                        }
+                    }
+                }
+                else if (eScheme != INetProtocol::NotValid) // 1st
+                {
+                    while (rText[i++] != ':') ;
+                    sal_Int32 nPrefixEnd = i;
+                    sal_Int32 nUriEnd = i;
+                    sal_Int32 nMatchingBracketDepth = 0;
+                    while (i != rEnd
+                           && checkWChar(rCharClass, rText, &i, &nUriEnd,
+                                         &nMatchingBracketDepth)) ;
+                    if (i != nPrefixEnd && i != rEnd && rText[i] == '#')
+                    {
+                        ++i;
+                        while (i != rEnd
+                               && checkWChar(rCharClass, rText, &i, &nUriEnd)) ;
+                    }
+                    if (nUriEnd != nPrefixEnd
+                        && (isBoundary1(rCharClass, rText, nUriEnd, rEnd)
+                            || rText[nUriEnd] == '\\'))
+                    {
+                        INetURLObject aUri(rText.subView(nPos, nUriEnd - nPos),
+                                           INetProtocol::Http, eMechanism,
+                                           eCharset);
+                        if (!aUri.HasError())
+                        {
+                            rBegin = nPos;
+                            rEnd = nUriEnd;
+                            return
+                                aUri.GetMainURL(INetURLObject::DecodeMechanism::ToIUri);
+                        }
+                    }
+                }
+
+                // 3rd, 4th:
+                i = nPos;
+                sal_uInt32 nLabels = scanDomain(rText, &i, rEnd);
+                if (nLabels >= 3
+                    && rText[nPos + 3] == '.'
+                    && (((rText[nPos] == 'w'
+                          || rText[nPos] == 'W')
+                         && (rText[nPos + 1] == 'w'
+                             || rText[nPos + 1] == 'W')
+                         && (rText[nPos + 2] == 'w'
+                             || rText[nPos + 2] == 'W'))
+                        || ((rText[nPos] == 'f'
+                             || rText[nPos] == 'F')
+                            && (rText[nPos + 1] == 't'
+                                || rText[nPos + 1] == 'T')
+                            && (rText[nPos + 2] == 'p'
+                                || rText[nPos + 2] == 'P'))))
+                    // (note that rText.GetChar(nPos + 3) is guaranteed to be
+                    // valid)
+                {
+                    sal_Int32 nUriEnd = i;
+                    if (i != rEnd && rText[i] == '/')
+                    {
+                        nUriEnd = ++i;
+                        while (i != rEnd
+                               && checkWChar(rCharClass, rText, &i, &nUriEnd)) ;
+                    }
+                    if (i != rEnd && rText[i] == '#')
+                    {
+                        ++i;
+                        while (i != rEnd
+                               && checkWChar(rCharClass, rText, &i, &nUriEnd)) ;
+                    }
+                    if (isBoundary1(rCharClass, rText, nUriEnd, rEnd)
+                        || rText[nUriEnd] == '\\')
+                    {
+                        INetURLObject aUri(rText.subView(nPos, nUriEnd - nPos),
+                                           INetProtocol::Http, eMechanism,
+                                           eCharset);
+                        if (!aUri.HasError())
+                        {
+                            rBegin = nPos;
+                            rEnd = nUriEnd;
+                            return
+                                aUri.GetMainURL(INetURLObject::DecodeMechanism::ToIUri);
+                        }
+                    }
+                }
+
+                if (rEnd - nPos >= 3
+                    && rText[nPos + 1] == ':'
+                    && (rText[nPos + 2] == '/'
+                        || rText[nPos + 2] == '\\')) // 7th, 8th
+                {
+                    i = nPos + 3;
+                    sal_Int32 nUriEnd = i;
+                    while (i != rEnd
+                           && checkWChar(rCharClass, rText, &i, &nUriEnd)) ;
+                    if (isBoundary1(rCharClass, rText, nUriEnd, rEnd))
+                    {
+                        INetURLObject aUri(rText.subView(nPos, nUriEnd - nPos),
+                                           INetProtocol::File,
+                                           INetURLObject::EncodeMechanism::All,
+                                           RTL_TEXTENCODING_UTF8,
+                                           FSysStyle::Dos);
+                        if (!aUri.HasError())
+                        {
+                            rBegin = nPos;
+                            rEnd = nUriEnd;
+                            return
+                                aUri.GetMainURL(INetURLObject::DecodeMechanism::ToIUri);
+                        }
+                    }
+                }
+            }
+            else if (rEnd - nPos >= 2
+                     && rText[nPos] == '\\'
+                     && rText[nPos + 1] == '\\') // 6th
+            {
+                sal_Int32 i = nPos + 2;
+                sal_uInt32 nLabels = scanDomain(rText, &i, rEnd);
+                if (nLabels >= 1 && i != rEnd && rText[i] == '\\')
+                {
+                    sal_Int32 nUriEnd = ++i;
+                    while (i != rEnd
+                           && checkWChar(rCharClass, rText, &i, &nUriEnd,
+                                         nullptr, true)) ;
+                    if (isBoundary1(rCharClass, rText, nUriEnd, rEnd))
+                    {
+                        INetURLObject aUri(rText.subView(nPos, nUriEnd - nPos),
+                                           INetProtocol::File,
+                                           INetURLObject::EncodeMechanism::All,
+                                           RTL_TEXTENCODING_UTF8,
+                                           FSysStyle::Dos);
+                        if (!aUri.HasError())
+                        {
+                            rBegin = nPos;
+                            rEnd = nUriEnd;
+                            return
+                                aUri.GetMainURL(INetURLObject::DecodeMechanism::ToIUri);
+                        }
+                    }
+                }
+            }
+        }
+        if (bBoundary2 && INetMIME::isAtomChar(c)) // 5th
+        {
+            bool bDot = false;
+            for (sal_Int32 i = nPos + 1; i != rEnd; ++i)
+            {
+                sal_Unicode c2 = rText[i];
+                if (INetMIME::isAtomChar(c2))
+                    bDot = false;
+                else if (bDot)
+                    break;
+                else if (c2 == '.')
+                    bDot = true;
+                else
+                {
+                    if (c2 == '@')
+                    {
+                        ++i;
+                        sal_uInt32 nLabels = scanDomain(rText, &i, rEnd);
+                        if (nLabels >= 1
+                            && isBoundary1(rCharClass, rText, i, rEnd))
+                        {
+                            INetURLObject aUri(rText.subView(nPos, i - nPos),
+                                               INetProtocol::Mailto,
+                                               INetURLObject::EncodeMechanism::All);
+                            if (!aUri.HasError())
+                            {
+                                rBegin = nPos;
+                                rEnd = i;
+                                return aUri.GetMainURL(
+                                           INetURLObject::DecodeMechanism::ToIUri);
+                            }
+                        }
+                    }
+                    break;
+                }
+            }
+        }
+        bBoundary1 = isBoundary1(rCharClass, rText, nPos, rEnd);
+        bBoundary2 = isBoundary2(rCharClass, rText, nPos, rEnd);
+    }
+    rBegin = rEnd;
+    return OUString();
+}
+
+OUString URIHelper::FindFirstDOIInText(OUString const & rText,
+                                       sal_Int32 & rBegin,
+                                       sal_Int32 & rEnd,
+                                       CharClass const & rCharClass)
+{
+    if (rBegin > rEnd || rEnd > rText.getLength())
+        return OUString();
+
+    sal_Int32 start = 7;
+    sal_Int32 count = rEnd-rBegin;
+    OUString candidate(rText.subView(rBegin, count));
+    // Match with regex "doi:10\.\d{4,9}\/[-._;()\/:a-zA-Z0-9]+"
+    if (candidate.startsWithIgnoreAsciiCase("doi:10."))
+    {
+        bool flag = true;
+        sal_Int32 digit = 0;
+        for (sal_Int32 i=start; i<count; i++)
+        {
+            sal_Unicode c = candidate[i];
+            // Match 4 to 9 digits before slash
+            if (digit >= 0)
+            {
+                if (digit>9)
+                {
+                    flag = false;
+                    break;
+                }
+
+                if ( rCharClass.isDigit(candidate,i) )
+                {
+                    digit++;
+                }
+                else if (c=='/' && digit>=4 && i<count-1)
+                {
+                    digit=-1;
+                }
+                else
+                {
+                    flag = false;
+                    break;
+                }
+            }
+            // Match [-._;()\/:a-zA-Z0-9] after slash
+            else if (!( rCharClass.isAlphaNumeric(candidate, i) || c == '.' || c == '-' || c=='_' ||
+                        c==';' || c=='(' || c==')' || c=='\\' || (c=='/' && i<count-1) || c==':'))
+            {
+                flag = false;
+                break;
+            }
+        }
+        if (flag && digit==-1)
+        {
+            return OUString::Concat("https://doi.org/")+candidate.subView(4);
+        }
+    }
+    rBegin = rEnd;
+    return OUString();
+}
+
+OUString URIHelper::removePassword(OUString const & rURI,
+                                   INetURLObject::EncodeMechanism eEncodeMechanism,
+                                   INetURLObject::DecodeMechanism eDecodeMechanism,
+                                   rtl_TextEncoding eCharset)
+{
+    INetURLObject aObj(rURI, eEncodeMechanism, eCharset);
+    return aObj.HasError() ?
+               rURI :
+               aObj.GetURLNoPass(eDecodeMechanism, eCharset);
+}
+
+OUString URIHelper::resolveIdnaHost(OUString const & url) {
+    css::uno::Reference<css::uri::XUriReference> uri(
+        css::uri::UriReferenceFactory::create(
+            comphelper::getProcessComponentContext())
+        ->parse(url));
+    if (!(uri.is() && uri->hasAuthority())) {
+        return url;
+    }
+    auto auth(uri->getAuthority());
+    if (auth.isEmpty())
+        return url;
+    sal_Int32 hostStart = auth.indexOf('@') + 1;
+    sal_Int32 hostEnd = auth.getLength();
+    while (hostEnd > hostStart && rtl::isAsciiDigit(auth[hostEnd - 1])) {
+        --hostEnd;
+    }
+    if (hostEnd > hostStart && auth[hostEnd - 1] == ':') {
+        --hostEnd;
+    } else {
+        hostEnd = auth.getLength();
+    }
+    auto asciiOnly = true;
+    for (auto i = hostStart; i != hostEnd; ++i) {
+        if (!rtl::isAscii(auth[i])) {
+            asciiOnly = false;
+            break;
+        }
+    }
+    if (asciiOnly) {
+        // Avoid icu::IDNA case normalization in purely non-IDNA domain names:
+        return url;
+    }
+    UErrorCode e = U_ZERO_ERROR;
+    std::unique_ptr<icu::IDNA> idna(
+        icu::IDNA::createUTS46Instance(
+            (UIDNA_USE_STD3_RULES | UIDNA_CHECK_BIDI | UIDNA_CHECK_CONTEXTJ | UIDNA_CHECK_CONTEXTO),
+            e));
+    if (U_FAILURE(e)) {
+        SAL_WARN("vcl.gdi", "icu::IDNA::createUTS46Instance " << e);
+        return url;
+    }
+    icu::UnicodeString ascii;
+    icu::IDNAInfo info;
+    idna->nameToASCII(
+        icu::UnicodeString(
+            reinterpret_cast<UChar const *>(auth.getStr() + hostStart),
+            hostEnd - hostStart),
+        ascii, info, e);
+    if (U_FAILURE(e) || info.hasErrors()) {
+        return url;
+    }
+    OUStringBuffer buf(uri->getScheme());
+    buf.append(OUString::Concat("://") + auth.subView(0, hostStart));
+    buf.append(
+        reinterpret_cast<sal_Unicode const *>(ascii.getBuffer()),
+        ascii.length());
+    buf.append(auth.subView(hostEnd) + uri->getPath());
+    if (uri->hasQuery()) {
+        buf.append("?" + uri->getQuery());
+    }
+    if (uri->hasFragment()) {
+        buf.append("#" + uri->getFragment());
+    }
+    return buf.makeStringAndClear();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/notify/SfxBroadcaster.cxx b/svl/source/notify/SfxBroadcaster.cxx
new file mode 100644
index 0000000000..419c535f56
--- /dev/null
+++ b/svl/source/notify/SfxBroadcaster.cxx
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/SfxBroadcaster.hxx>
+
+#include <svl/hint.hxx>
+#include <svl/lstner.hxx>
+#include <tools/debug.hxx>
+
+#include <algorithm>
+#include <cassert>
+#include <vector>
+
+// broadcast immediately
+
+void SfxBroadcaster::Broadcast(const SfxHint& rHint)
+{
+    // notify all registered listeners exactly once
+    size_t nSize = m_Listeners.size();
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        SfxListener* const pListener = m_Listeners[i];
+        if (pListener)
+            pListener->Notify(*this, rHint);
+    }
+}
+
+// unregister all listeners
+
+SfxBroadcaster::~SfxBroadcaster() COVERITY_NOEXCEPT_FALSE
+{
+    Broadcast(SfxHint(SfxHintId::Dying));
+
+    // remove all still registered listeners
+    for (size_t i = 0; i < m_Listeners.size(); ++i)
+    {
+        SfxListener* const pListener = m_Listeners[i];
+        if (pListener)
+            pListener->RemoveBroadcaster_Impl(*this);
+    }
+}
+
+// copy ctor of class SfxBroadcaster
+
+SfxBroadcaster::SfxBroadcaster(const SfxBroadcaster& rOther)
+{
+    for (size_t i = 0; i < rOther.m_Listeners.size(); ++i)
+    {
+        SfxListener* const pListener = rOther.m_Listeners[i];
+        if (pListener)
+            pListener->StartListening(*this);
+    }
+}
+
+// add a new SfxListener to the list
+
+void SfxBroadcaster::AddListener(SfxListener& rListener)
+{
+    DBG_TESTSOLARMUTEX();
+    if (m_RemovedPositions.empty())
+    {
+        m_Listeners.push_back(&rListener);
+    }
+    else
+    {
+        size_t targetPosition = m_RemovedPositions.back();
+        m_RemovedPositions.pop_back();
+        assert(m_Listeners[targetPosition] == nullptr);
+        m_Listeners[targetPosition] = &rListener;
+    }
+}
+
+// forward a notification to all registered listeners
+
+void SfxBroadcaster::Forward(SfxBroadcaster& rBC, const SfxHint& rHint)
+{
+    for (size_t i = 0; i < m_Listeners.size(); ++i)
+    {
+        SfxListener* const pListener = m_Listeners[i];
+        if (pListener)
+            pListener->Notify(rBC, rHint);
+    }
+}
+
+// remove one SfxListener from the list
+
+void SfxBroadcaster::RemoveListener(SfxListener& rListener)
+{
+    DBG_TESTSOLARMUTEX();
+
+    // First, check the slots either side of the last removed slot, makes a significant
+    // difference when the list is large.
+    int positionOfRemovedElement = -1;
+    if (!m_RemovedPositions.empty())
+    {
+        auto i = m_RemovedPositions.back();
+        if (i < m_Listeners.size() - 2 && m_Listeners[i + 1] == &rListener)
+        {
+            positionOfRemovedElement = i + 1;
+        }
+        else if (i > 0 && m_Listeners[i - 1] == &rListener)
+        {
+            positionOfRemovedElement = i - 1;
+        }
+    }
+    // then scan the whole list if we didn't find it
+    if (positionOfRemovedElement == -1)
+    {
+        auto aIter = std::find(m_Listeners.begin(), m_Listeners.end(), &rListener);
+        positionOfRemovedElement = std::distance(m_Listeners.begin(), aIter);
+    }
+    // DO NOT erase the listener, set the pointer to 0
+    // because the current continuation may contain this->Broadcast
+    m_Listeners[positionOfRemovedElement] = nullptr;
+    m_RemovedPositions.push_back(positionOfRemovedElement);
+}
+
+void SfxBroadcaster::ForAllListeners(std::function<bool(SfxListener*)> f) const
+{
+    for (size_t i = 0; i < m_Listeners.size(); ++i)
+    {
+        SfxListener* const pListener = m_Listeners[i];
+        if (pListener)
+            if (f(pListener))
+                break;
+    }
+}
+
+bool SfxBroadcaster::HasListeners() const { return GetListenerCount() != 0; }
+
+size_t SfxBroadcaster::GetListenerCount() const
+{
+    return m_Listeners.size() - m_RemovedPositions.size();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/notify/broadcast.cxx b/svl/source/notify/broadcast.cxx
new file mode 100644
index 0000000000..6b323a6693
--- /dev/null
+++ b/svl/source/notify/broadcast.cxx
@@ -0,0 +1,244 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/broadcast.hxx>
+#include <svl/listener.hxx>
+#include <svl/hint.hxx>
+#include <o3tl/safeint.hxx>
+#include <cassert>
+#include <algorithm>
+
+/**
+ Design Notes
+ -------------------------------
+
+ This class is extremely heavily used - we can have millions of broadcasters and listeners and we can also
+ have a broadcaster that has a million listeners.
+
+ So we do a number of things
+ (*) use a cache-dense listener list (std::vector) because caching effects dominate a lot of operations
+ (*) use a sorted list to speed up find operations
+ (*) only sort the list when we absolutely have to, to speed up sequential add/remove operations
+ (*) defer removing items from the list by (ab)using the last bit of the pointer
+
+ Also we have some complications around destruction because
+ (*) we broadcast a message to indicate that we are destructing
+ (*) which can trigger arbitrality complicated behaviour, including
+ (*) adding a removing things from the in-destruction object!
+
+*/
+
+static bool isDeletedPtr(SvtListener* p)
+{
+    /** mark deleted entries by toggling the last bit,which is effectively unused, since the struct we point
+     * to is at least 16-bit aligned. This allows the binary search to continue working even when we have
+     * deleted entries */
+    return (reinterpret_cast<uintptr_t>(p) & 0x01) == 0x01;
+}
+
+static void markDeletedPtr(SvtListener*& rp)
+{
+    reinterpret_cast<uintptr_t&>(rp) |= 0x01;
+}
+
+static void sortListeners(std::vector<SvtListener*>& listeners, size_t firstUnsorted)
+{
+    // Add() only appends new values, so often the container will be sorted expect for one
+    // or few last items. For larger containers it is much more efficient to just handle
+    // the unsorted part.
+    auto sortedEnd = firstUnsorted == 0
+        ? std::is_sorted_until(listeners.begin(),listeners.end())
+        : listeners.begin() + firstUnsorted;
+    if( listeners.end() - sortedEnd == 1 )
+    {   // Just one item, insert it in the right place.
+        SvtListener* item = listeners.back();
+        listeners.pop_back();
+        listeners.insert( std::upper_bound( listeners.begin(), listeners.end(), item ), item );
+    }
+    else if( o3tl::make_unsigned( sortedEnd - listeners.begin()) > listeners.size() * 3 / 4 )
+    {   // Sort the unsorted part and then merge.
+        std::sort( sortedEnd, listeners.end());
+        std::inplace_merge( listeners.begin(), sortedEnd, listeners.end());
+    }
+    else
+    {
+        std::sort(listeners.begin(), listeners.end());
+    }
+}
+
+void SvtBroadcaster::Normalize() const
+{
+    // clear empty slots first, because then we often have to do very little sorting
+    if (mnEmptySlots)
+    {
+        std::erase_if(maListeners, [] (SvtListener* p) { return isDeletedPtr(p); });
+        mnEmptySlots = 0;
+    }
+
+    if (mnListenersFirstUnsorted != static_cast<sal_Int32>(maListeners.size()))
+    {
+        sortListeners(maListeners, mnListenersFirstUnsorted);
+        mnListenersFirstUnsorted = maListeners.size();
+    }
+
+    if (!mbDestNormalized)
+    {
+        sortListeners(maDestructedListeners, 0);
+        mbDestNormalized = true;
+    }
+}
+
+void SvtBroadcaster::Add( SvtListener* p )
+{
+    assert(!mbDisposing && "called inside my own destructor?");
+    assert(!mbAboutToDie && "called after PrepareForDestruction()?");
+    if (mbDisposing || mbAboutToDie)
+        return;
+    // Avoid normalizing if the item appended keeps the container sorted.
+    auto nRealSize = static_cast<sal_Int32>(maListeners.size() - mnEmptySlots);
+    auto bSorted = mnListenersFirstUnsorted == nRealSize;
+    if (maListeners.empty() || (bSorted && maListeners.back() <= p))
+    {
+        ++mnListenersFirstUnsorted;
+        maListeners.push_back(p);
+        return;
+    }
+    // see if we can stuff it into an empty slot, which succeeds surprisingly often in
+    // some calc workloads where it removes and then re-adds the same listener
+    if (mnEmptySlots && bSorted)
+    {
+        auto it = std::lower_bound(maListeners.begin(), maListeners.end(), p);
+        if (it != maListeners.end() && isDeletedPtr(*it))
+        {
+            *it = p;
+            ++mnListenersFirstUnsorted;
+            --mnEmptySlots;
+            return;
+        }
+    }
+    maListeners.push_back(p);
+}
+
+void SvtBroadcaster::Remove( SvtListener* p )
+{
+    if (mbDisposing)
+        return;
+
+    if (mbAboutToDie)
+    {
+        // only reset mbDestNormalized if we are going to become unsorted
+        if (!maDestructedListeners.empty() && maDestructedListeners.back() > p)
+            mbDestNormalized = false;
+        maDestructedListeners.push_back(p);
+        return;
+    }
+
+    // We only need to fully normalize if one or more Add()s have been performed that make the array unsorted.
+    auto nRealSize = static_cast<sal_Int32>(maListeners.size() - mnEmptySlots);
+    if (mnListenersFirstUnsorted != nRealSize || (maListeners.size() > 1024 && maListeners.size() / nRealSize > 16))
+        Normalize();
+
+    auto it = std::lower_bound(maListeners.begin(), maListeners.end(), p);
+    assert (it != maListeners.end() && *it == p);
+    if (it != maListeners.end() && *it == p)
+    {
+        markDeletedPtr(*it);
+        ++mnEmptySlots;
+        --mnListenersFirstUnsorted;
+    }
+
+    if (!HasListeners())
+        ListenersGone();
+}
+
+SvtBroadcaster::SvtBroadcaster( const SvtBroadcaster &rBC ) :
+    mnEmptySlots(0), mnListenersFirstUnsorted(0),
+    mbAboutToDie(false), mbDisposing(false),
+    mbDestNormalized(true)
+{
+    assert(!rBC.mbAboutToDie && "copying an object marked with PrepareForDestruction()?");
+    assert(!rBC.mbDisposing && "copying an object that is in its destructor?");
+
+    rBC.Normalize(); // so that insert into ourself is in-order, and therefore we do not need to Normalize()
+    maListeners.reserve(rBC.maListeners.size());
+    for (SvtListener* p : rBC.maListeners)
+         p->StartListening(*this); // this will call back into this->Add()
+}
+
+SvtBroadcaster::~SvtBroadcaster()
+{
+    mbDisposing = true;
+    Broadcast( SfxHint(SfxHintId::Dying) );
+
+    Normalize();
+
+    // now when both lists are sorted, we can linearly unregister all
+    // listeners, with the exception of those that already asked to be removed
+    // during their own destruction
+    ListenersType::const_iterator dest(maDestructedListeners.begin());
+    for (auto& rpListener : maListeners)
+    {
+        // skip the destructed ones
+        while (dest != maDestructedListeners.end() && (*dest < rpListener))
+            ++dest;
+
+        if (dest == maDestructedListeners.end() || *dest != rpListener)
+            rpListener->BroadcasterDying(*this);
+    }
+}
+
+void SvtBroadcaster::Broadcast( const SfxHint &rHint )
+{
+    Normalize();
+
+    ListenersType::const_iterator dest(maDestructedListeners.begin());
+    ListenersType aListeners(maListeners); // this copy is important to avoid erasing entries while iterating
+    for (auto& rpListener : aListeners)
+    {
+        // skip the destructed ones
+        while (dest != maDestructedListeners.end() && (*dest < rpListener))
+            ++dest;
+
+        if (dest == maDestructedListeners.end() || *dest != rpListener)
+            rpListener->Notify(rHint);
+    }
+}
+
+void SvtBroadcaster::ListenersGone() {}
+
+SvtBroadcaster::ListenersType& SvtBroadcaster::GetAllListeners()
+{
+    Normalize();
+    return maListeners;
+}
+
+const SvtBroadcaster::ListenersType& SvtBroadcaster::GetAllListeners() const
+{
+    Normalize();
+    return maListeners;
+}
+
+void SvtBroadcaster::PrepareForDestruction()
+{
+    mbAboutToDie = true;
+    // the reserve() serves two purpose (1) performance (2) makes sure our iterators do not become invalid
+    maDestructedListeners.reserve(maListeners.size());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/notify/listener.cxx b/svl/source/notify/listener.cxx
new file mode 100644
index 0000000000..6b1be0ca20
--- /dev/null
+++ b/svl/source/notify/listener.cxx
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/listener.hxx>
+#include <svl/broadcast.hxx>
+
+SvtListener::~SvtListener() COVERITY_NOEXCEPT_FALSE
+{
+    // Unregister itself from all broadcasters it's listening to.
+    EndListeningAll();
+}
+
+// registers at a specific SvtBroadcaster
+
+bool SvtListener::StartListening( SvtBroadcaster& rBroadcaster )
+{
+    std::pair<BroadcastersType::const_iterator, bool> r =
+        maBroadcasters.insert(&rBroadcaster);
+    if (r.second)
+    {
+        // This is a new broadcaster.
+        rBroadcaster.Add(this);
+    }
+    return r.second;
+}
+
+void SvtListener::EndListening( SvtBroadcaster& rBroadcaster )
+{
+    BroadcastersType::const_iterator it = maBroadcasters.find(&rBroadcaster);
+    if (it == maBroadcasters.end())
+        // Not listening to this broadcaster.
+        return;
+    maBroadcasters.erase(it);
+
+    rBroadcaster.Remove(this);
+}
+
+// called from the SvtBroadcaster destructor, used to avoid calling
+// back into the broadcaster again
+void SvtListener::BroadcasterDying( SvtBroadcaster& rBroadcaster )
+{
+    BroadcastersType::const_iterator it = maBroadcasters.find(&rBroadcaster);
+    if (it != maBroadcasters.end())
+        maBroadcasters.erase(it);
+}
+
+void SvtListener::EndListeningAll()
+{
+    for (SvtBroadcaster* p : maBroadcasters)
+    {
+        SvtBroadcaster& rBC = *p;
+        rBC.Remove(this);
+    }
+    maBroadcasters.clear();
+}
+
+
+void SvtListener::CopyAllBroadcasters( const SvtListener& r )
+{
+    EndListeningAll();
+    BroadcastersType aCopy(r.maBroadcasters);
+    maBroadcasters.swap(aCopy);
+    for (SvtBroadcaster* p : maBroadcasters)
+    {
+        p->Add(this);
+    }
+}
+
+void SvtListener::Notify( const SfxHint& /*rHint*/ ) {}
+
+void SvtListener::Query( QueryBase& /*rQuery*/ ) const {}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/notify/lstner.cxx b/svl/source/notify/lstner.cxx
new file mode 100644
index 0000000000..40a59960a0
--- /dev/null
+++ b/svl/source/notify/lstner.cxx
@@ -0,0 +1,163 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/lstner.hxx>
+
+#include <svl/SfxBroadcaster.hxx>
+#include <sal/backtrace.hxx>
+#include <sal/log.hxx>
+
+#include <algorithm>
+#include <cassert>
+#include <vector>
+#include <memory>
+
+// copy ctor of class SfxListener
+
+SfxListener::SfxListener( const SfxListener &rOther )
+    : maBCs( rOther.maBCs )
+{
+    for ( size_t n = 0; n < maBCs.size(); ++n )
+    {
+        maBCs[n]->AddListener(*this);
+#ifdef DBG_UTIL
+        maCallStacks.emplace( maBCs[n], sal::backtrace_get(10) );
+#endif
+    }
+}
+
+// unregisters the SfxListener from its SfxBroadcasters
+
+SfxListener::~SfxListener() COVERITY_NOEXCEPT_FALSE
+{
+    // unregister at all remaining broadcasters
+    for ( size_t nPos = 0; nPos < maBCs.size(); ++nPos )
+    {
+        SfxBroadcaster *pBC = maBCs[nPos];
+        pBC->RemoveListener(*this);
+    }
+}
+
+
+// unregisters a specific SfxBroadcaster
+
+void SfxListener::RemoveBroadcaster_Impl( SfxBroadcaster& rBroadcaster )
+{
+    auto it = std::find( maBCs.begin(), maBCs.end(), &rBroadcaster );
+    if (it != maBCs.end()) {
+        maBCs.erase( it );
+#ifdef DBG_UTIL
+        maCallStacks.erase( &rBroadcaster );
+#endif
+    }
+}
+
+
+
+/**
+ Registers a specific SfxBroadcaster.
+
+ Some code uses duplicates as a kind of ref-counting thing i.e. they add and remove listeners
+ on different code paths, and they only really stop listening when the last EndListening() is called.
+*/
+void SfxListener::StartListening(SfxBroadcaster& rBroadcaster, DuplicateHandling eDuplicateHanding)
+{
+    bool bListeningAlready = IsListening( rBroadcaster );
+
+#ifdef DBG_UTIL
+    if (bListeningAlready && eDuplicateHanding == DuplicateHandling::Unexpected)
+    {
+        auto f = maCallStacks.find( &rBroadcaster );
+        SAL_WARN("svl", "previous StartListening call came from: " << sal::backtrace_to_string(f->second.get()));
+    }
+#endif
+    assert(!(bListeningAlready && eDuplicateHanding == DuplicateHandling::Unexpected) && "duplicate listener, try building with DBG_UTIL to find the other insert site.");
+
+    if (!bListeningAlready || eDuplicateHanding != DuplicateHandling::Prevent)
+    {
+        rBroadcaster.AddListener(*this);
+        maBCs.push_back( &rBroadcaster );
+#ifdef DBG_UTIL
+        maCallStacks.emplace( &rBroadcaster, sal::backtrace_get(10) );
+#endif
+        assert(IsListening(rBroadcaster) && "StartListening failed");
+    }
+}
+
+// unregisters a specific SfxBroadcaster
+
+void SfxListener::EndListening( SfxBroadcaster& rBroadcaster, bool bRemoveAllDuplicates )
+{
+    auto beginIt = maBCs.begin();
+    do
+    {
+        auto it = std::find( beginIt, maBCs.end(), &rBroadcaster );
+        if ( it == maBCs.end() )
+        {
+            break;
+        }
+        rBroadcaster.RemoveListener(*this);
+        beginIt = maBCs.erase( it );
+#ifdef DBG_UTIL
+        maCallStacks.erase( &rBroadcaster );
+#endif
+    }
+    while ( bRemoveAllDuplicates );
+}
+
+
+// unregisters all Broadcasters
+
+void SfxListener::EndListeningAll()
+{
+    std::vector<SfxBroadcaster*> aBroadcasters;
+    std::swap(maBCs, aBroadcasters);
+    for (SfxBroadcaster *pBC : aBroadcasters)
+        pBC->RemoveListener(*this);
+#ifdef DBG_UTIL
+    maCallStacks.clear();
+#endif
+}
+
+
+bool SfxListener::IsListening( SfxBroadcaster& rBroadcaster ) const
+{
+    return maBCs.end() != std::find( maBCs.begin(), maBCs.end(), &rBroadcaster );
+}
+
+sal_uInt16 SfxListener::GetBroadcasterCount() const
+{
+    return maBCs.size();
+}
+
+SfxBroadcaster* SfxListener::GetBroadcasterJOE( sal_uInt16 nNo ) const
+{
+    return maBCs[nNo];
+}
+
+
+// base implementation of notification handler
+
+void SfxListener::Notify( SfxBroadcaster& rBroadcaster, const SfxHint& )
+{
+    (void) rBroadcaster;
+    assert(IsListening(rBroadcaster));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/currencytable.cxx b/svl/source/numbers/currencytable.cxx
new file mode 100644
index 0000000000..84604ecc9f
--- /dev/null
+++ b/svl/source/numbers/currencytable.cxx
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+* This file is part of the LibreOffice project.
+*
+* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
+#include <svl/currencytable.hxx>
+
+NfCurrencyTable::iterator NfCurrencyTable::begin()
+{
+    return maData.begin();
+}
+
+NfCurrencyEntry& NfCurrencyTable::operator[] ( size_t i )
+{
+    return maData[i];
+}
+
+const NfCurrencyEntry& NfCurrencyTable::operator[] ( size_t i ) const
+{
+    return maData[i];
+}
+
+size_t NfCurrencyTable::size() const
+{
+    return maData.size();
+}
+
+void NfCurrencyTable::insert(const iterator& it, NfCurrencyEntry p)
+{
+    maData.insert(it, std::move(p));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/numfmuno.cxx b/svl/source/numbers/numfmuno.cxx
new file mode 100644
index 0000000000..58094faa54
--- /dev/null
+++ b/svl/source/numbers/numfmuno.cxx
@@ -0,0 +1,987 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <tools/color.hxx>
+#include <o3tl/any.hxx>
+#include <osl/mutex.hxx>
+#include <osl/diagnose.h>
+#include <rtl/character.hxx>
+#include <rtl/ustring.hxx>
+
+#include <com/sun/star/util/Date.hpp>
+#include <com/sun/star/util/MalformedNumberFormatException.hpp>
+#include <com/sun/star/util/NotNumericException.hpp>
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <comphelper/propertysequence.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include "numfmuno.hxx"
+#include <svl/numformat.hxx>
+#include <svl/numuno.hxx>
+#include <svl/zforlist.hxx>
+#include <svl/zformat.hxx>
+#include <svl/itemprop.hxx>
+#include <utility>
+
+using namespace com::sun::star;
+
+constexpr OUString PROPERTYNAME_FMTSTR = u"FormatString"_ustr;
+constexpr OUString PROPERTYNAME_LOCALE = u"Locale"_ustr;
+constexpr OUString PROPERTYNAME_TYPE = u"Type"_ustr;
+constexpr OUString PROPERTYNAME_COMMENT = u"Comment"_ustr;
+constexpr OUString PROPERTYNAME_CURREXT = u"CurrencyExtension"_ustr;
+constexpr OUString PROPERTYNAME_CURRSYM = u"CurrencySymbol"_ustr;
+constexpr OUString PROPERTYNAME_CURRABB = u"CurrencyAbbreviation"_ustr;
+constexpr OUString PROPERTYNAME_DECIMALS = u"Decimals"_ustr;
+constexpr OUString PROPERTYNAME_LEADING = u"LeadingZeros"_ustr;
+constexpr OUString PROPERTYNAME_NEGRED = u"NegativeRed"_ustr;
+constexpr OUString PROPERTYNAME_STDFORM = u"StandardFormat"_ustr;
+constexpr OUString PROPERTYNAME_THOUS = u"ThousandsSeparator"_ustr;
+constexpr OUString PROPERTYNAME_USERDEF = u"UserDefined"_ustr;
+
+constexpr OUString PROPERTYNAME_NOZERO = u"NoZero"_ustr;
+constexpr OUString PROPERTYNAME_NULLDATE = u"NullDate"_ustr;
+constexpr OUString PROPERTYNAME_STDDEC = u"StandardDecimals"_ustr;
+constexpr OUString PROPERTYNAME_TWODIGIT = u"TwoDigitDateStart"_ustr;
+
+// All without a Which-ID, Map only for PropertySetInfo
+
+static std::span<const SfxItemPropertyMapEntry> lcl_GetNumberFormatPropertyMap()
+{
+    static const SfxItemPropertyMapEntry aNumberFormatPropertyMap_Impl[] =
+    {
+        {PROPERTYNAME_FMTSTR,   0, cppu::UnoType<OUString>::get(),    beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_LOCALE,   0, cppu::UnoType<lang::Locale>::get(),beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_TYPE,     0, cppu::UnoType<sal_Int16>::get(),   beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_COMMENT,  0, cppu::UnoType<OUString>::get(),    beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_CURREXT,  0, cppu::UnoType<OUString>::get(),    beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_CURRSYM,  0, cppu::UnoType<OUString>::get(),    beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_DECIMALS, 0, cppu::UnoType<sal_Int16>::get(),   beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_LEADING,  0, cppu::UnoType<sal_Int16>::get(),   beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_NEGRED,   0, cppu::UnoType<bool>::get(),         beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_STDFORM,  0, cppu::UnoType<bool>::get(),         beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_THOUS,    0, cppu::UnoType<bool>::get(),         beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_USERDEF,  0, cppu::UnoType<bool>::get(),         beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+        {PROPERTYNAME_CURRABB,  0, cppu::UnoType<OUString>::get(),    beans::PropertyAttribute::BOUND | beans::PropertyAttribute::READONLY, 0},
+    };
+    return aNumberFormatPropertyMap_Impl;
+}
+
+static std::span<const SfxItemPropertyMapEntry> lcl_GetNumberSettingsPropertyMap()
+{
+    static const SfxItemPropertyMapEntry aNumberSettingsPropertyMap_Impl[] =
+    {
+        {PROPERTYNAME_NOZERO,   0, cppu::UnoType<bool>::get(),         beans::PropertyAttribute::BOUND, 0},
+        {PROPERTYNAME_NULLDATE, 0, cppu::UnoType<util::Date>::get(),  beans::PropertyAttribute::BOUND, 0},
+        {PROPERTYNAME_STDDEC,   0, cppu::UnoType<sal_Int16>::get(),   beans::PropertyAttribute::BOUND, 0},
+        {PROPERTYNAME_TWODIGIT, 0, cppu::UnoType<sal_Int16>::get(),   beans::PropertyAttribute::BOUND, 0},
+    };
+    return aNumberSettingsPropertyMap_Impl;
+}
+
+static LanguageType lcl_GetLanguage( const lang::Locale& rLocale )
+{
+    LanguageType eRet = LanguageTag::convertToLanguageTypeWithFallback( rLocale );
+    if ( eRet == LANGUAGE_NONE )
+        eRet = LANGUAGE_SYSTEM; //! or throw an exception?
+
+    return eRet;
+}
+
+SvNumberFormatterServiceObj::SvNumberFormatterServiceObj()
+{
+}
+
+SvNumberFormatterServiceObj::~SvNumberFormatterServiceObj()
+{
+}
+
+// XNumberFormatter
+
+void SAL_CALL SvNumberFormatterServiceObj::attachNumberFormatsSupplier( const uno::Reference<util::XNumberFormatsSupplier>& _xSupplier )
+{
+    ::rtl::Reference< SvNumberFormatsSupplierObj > xAutoReleaseOld;
+
+    // SYNCHRONIZED ->
+    {
+        ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
+
+        SvNumberFormatsSupplierObj* pNew = comphelper::getFromUnoTunnel<SvNumberFormatsSupplierObj>( _xSupplier );
+        if (!pNew)
+            throw uno::RuntimeException(); // wrong object
+
+        xAutoReleaseOld = xSupplier;
+
+        xSupplier = pNew;
+        m_aMutex = xSupplier->getSharedMutex();
+    }
+    // <- SYNCHRONIZED
+}
+
+uno::Reference<util::XNumberFormatsSupplier> SAL_CALL SvNumberFormatterServiceObj::getNumberFormatsSupplier()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    return xSupplier;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatterServiceObj::detectNumberFormat( sal_Int32 nKey, const OUString& aString )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    sal_uInt32 nUKey = nKey;
+    double fValue = 0.0;
+    if ( !pFormatter->IsNumberFormat(aString, nUKey, fValue) )
+        throw util::NotNumericException();
+
+    return nUKey;
+}
+
+double SAL_CALL SvNumberFormatterServiceObj::convertStringToNumber( sal_Int32 nKey, const OUString& aString )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    sal_uInt32 nUKey = nKey;
+    double fValue = 0.0;
+    if ( !pFormatter->IsNumberFormat(aString, nUKey, fValue) )
+        throw util::NotNumericException();
+
+    return fValue;
+}
+
+OUString SAL_CALL SvNumberFormatterServiceObj::convertNumberToString( sal_Int32 nKey, double fValue )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    OUString aRet;
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    const Color* pColor = nullptr;
+    pFormatter->GetOutputString(fValue, nKey, aRet, &pColor);
+
+    return aRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatterServiceObj::queryColorForNumber( sal_Int32 nKey,
+                                                                       double fValue,
+                                                                       sal_Int32 aDefaultColor )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    util::Color nRet = aDefaultColor; // color = sal_Int32
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    OUString aStr;
+    const Color* pColor = nullptr;
+    pFormatter->GetOutputString(fValue, nKey, aStr, &pColor);
+    if (pColor)
+        nRet = sal_uInt32(*pColor);
+    // Else keep Default
+
+    return nRet;
+}
+
+OUString SAL_CALL SvNumberFormatterServiceObj::formatString( sal_Int32 nKey,
+                                                             const OUString& aString )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    OUString aRet;
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+    {
+        throw uno::RuntimeException();
+    }
+
+    const Color* pColor = nullptr;
+    pFormatter->GetOutputString(aString, nKey, aRet, &pColor);
+
+    return aRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatterServiceObj::queryColorForString( sal_Int32 nKey,
+                                                                       const OUString& aString,
+                                                                       sal_Int32 aDefaultColor )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    util::Color nRet = aDefaultColor; // color = sal_Int32
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+    {
+        throw uno::RuntimeException();
+    }
+
+    OUString aStr;
+    const Color* pColor = nullptr;
+    pFormatter->GetOutputString(aString, nKey, aStr, &pColor);
+    if (pColor)
+    {
+        nRet = sal_uInt32(*pColor);
+    }
+    // Else keep Default
+
+    return nRet;
+}
+
+OUString SAL_CALL SvNumberFormatterServiceObj::getInputString( sal_Int32 nKey, double fValue )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    OUString aRet;
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    pFormatter->GetInputLineString(fValue, nKey, aRet);
+
+    return aRet;
+}
+
+// XNumberFormatPreviewer
+
+OUString SAL_CALL SvNumberFormatterServiceObj::convertNumberToPreviewString( const OUString& aFormat,
+                                                                             double fValue,
+                                                                             const lang::Locale& nLocale,
+                                                                             sal_Bool bAllowEnglish )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    OUString aRet;
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    const Color* pColor = nullptr;
+
+    bool bOk;
+    if ( bAllowEnglish )
+        bOk = pFormatter->GetPreviewStringGuess( aFormat, fValue, aRet, &pColor, eLang );
+    else
+        bOk = pFormatter->GetPreviewString( aFormat, fValue, aRet, &pColor, eLang );
+
+    if (!bOk)
+        throw util::MalformedNumberFormatException();
+
+    return aRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatterServiceObj::queryPreviewColorForNumber( const OUString& aFormat,
+                                                                              double fValue,
+                                                                              const lang::Locale& nLocale,
+                                                                              sal_Bool bAllowEnglish,
+                                                                              sal_Int32 aDefaultColor )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    util::Color nRet = aDefaultColor; // color = sal_Int32
+    SvNumberFormatter* pFormatter = xSupplier.is() ? xSupplier->GetNumberFormatter() : nullptr;
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    OUString aOutString;
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    const Color* pColor = nullptr;
+
+    bool bOk;
+    if ( bAllowEnglish )
+        bOk = pFormatter->GetPreviewStringGuess( aFormat, fValue, aOutString, &pColor, eLang );
+    else
+        bOk = pFormatter->GetPreviewString( aFormat, fValue, aOutString, &pColor, eLang );
+
+    if (!bOk)
+        throw util::MalformedNumberFormatException();
+
+    if (pColor)
+        nRet = sal_uInt32(*pColor);
+    // Else keep Default
+
+    return nRet;
+}
+
+// XServiceInfo
+
+OUString SAL_CALL SvNumberFormatterServiceObj::getImplementationName()
+{
+    return "com.sun.star.uno.util.numbers.SvNumberFormatterServiceObject";
+}
+
+sal_Bool SAL_CALL SvNumberFormatterServiceObj::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this, ServiceName );
+}
+
+uno::Sequence<OUString> SAL_CALL SvNumberFormatterServiceObj::getSupportedServiceNames()
+{
+    return { "com.sun.star.util.NumberFormatter" };
+}
+
+SvNumberFormatsObj::SvNumberFormatsObj( SvNumberFormatsSupplierObj& _rParent, ::comphelper::SharedMutex  _aMutex )
+    :m_xSupplier( &_rParent )
+    ,m_aMutex(std::move( _aMutex ))
+{
+}
+
+SvNumberFormatsObj::~SvNumberFormatsObj()
+{
+}
+
+// XNumberFormats
+
+uno::Reference<beans::XPropertySet> SAL_CALL SvNumberFormatsObj::getByKey( sal_Int32 nKey )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    const SvNumberformat* pFormat = pFormatter ? pFormatter->GetEntry(nKey) : nullptr;
+    if (!pFormat)
+        throw uno::RuntimeException();
+
+    return new SvNumberFormatObj( *m_xSupplier, nKey, m_aMutex );
+}
+
+uno::Sequence<sal_Int32> SAL_CALL SvNumberFormatsObj::queryKeys( sal_Int16 nType,
+                                                                 const lang::Locale& nLocale,
+                                                                 sal_Bool bCreate )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if ( !pFormatter )
+        throw uno::RuntimeException();
+
+    sal_uInt32 nIndex = 0;
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    SvNumberFormatTable& rTable = bCreate ?
+                                    pFormatter->ChangeCL( static_cast<SvNumFormatType>(nType), nIndex, eLang ) :
+                                    pFormatter->GetEntryTable( static_cast<SvNumFormatType>(nType), nIndex, eLang );
+    sal_uInt32 nCount = rTable.size();
+    uno::Sequence<sal_Int32> aSeq(nCount);
+    sal_Int32* pAry = aSeq.getArray();
+    sal_uInt32 i=0;
+    for (const auto& rEntry : rTable)
+    {
+        pAry[i] = rEntry.first;
+        ++i;
+    }
+    return aSeq;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::queryKey( const OUString& aFormat,
+                                                 const lang::Locale& nLocale,
+                                                 sal_Bool bScan )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    if (bScan)
+    {
+        //! FIXME: Something still needs to happen here ...
+    }
+    sal_uInt32 nRet = pFormatter->GetEntryKey( aFormat, eLang );
+    if (nRet == NUMBERFORMAT_ENTRY_NOT_FOUND)
+    {
+        // This seems to be a workaround for what maybe the bScan option was
+        // intended for? Tokenize the format code?
+
+        // The format string based search is vague and fuzzy, as it is case
+        // sensitive, but the format string is only half way cased, the
+        // keywords (except the "General" keyword) are uppercased and literals
+        // of course are not. Clients using this queryKey() and if not
+        // successful addNew() may still fail if the result of PutEntry() is
+        // false because the format actually existed, just with a different
+        // casing. The only clean way is to just use PutEntry() and ignore the
+        // duplicate case, which clients can't because the API doesn't provide
+        // the information.
+        // Try just another possibilty here, without any guarantee.
+
+        // Use only ASCII upper, because keywords are only those.
+        // Do not transliterate any quoted literals.
+        const sal_Int32 nLen = aFormat.getLength();
+        OUStringBuffer aBuf(0);
+        sal_Unicode* p = aBuf.appendUninitialized( nLen + 1);
+        memcpy( p, aFormat.getStr(), (nLen + 1) * sizeof(sal_Unicode));   // including 0-char
+        aBuf.setLength( nLen);
+        assert(p == aBuf.getStr());
+        sal_Unicode const * const pStop = p + aBuf.getLength();
+        bool bQuoted = false;
+        for ( ; p < pStop; ++p)
+        {
+            if (bQuoted)
+            {
+                // Format codes don't have embedded doubled quotes, i.e. "a""b"
+                // is two literals displayed as `ab`.
+                if (*p == '"')
+                    bQuoted = false;
+            }
+            else if (*p == '"')
+                bQuoted = true;
+            else if (rtl::isAsciiLowerCase(*p))
+                *p = rtl::toAsciiUpperCase(*p);
+            else if (*p == '\\')
+                ++p;            // skip escaped next char
+                // Theoretically that should cater for UTF-32 with
+                // iterateCodePoints(), but such character would not match any
+                // of [a-z\"] in its UTF-16 units.
+        }
+        nRet = pFormatter->GetEntryKey( aBuf, eLang );
+    }
+    return static_cast<sal_Int32>(nRet);
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::addNew( const OUString& aFormat,
+                                               const lang::Locale& nLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    sal_Int32 nRet = 0;
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    OUString aFormStr = aFormat;
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    sal_uInt32 nKey = 0;
+    sal_Int32 nCheckPos = 0;
+    SvNumFormatType nType = SvNumFormatType::ALL;
+    bool bOk = pFormatter->PutEntry( aFormStr, nCheckPos, nType, nKey, eLang );
+    if (bOk)
+        nRet = nKey;
+    else if (nCheckPos)
+    {
+        throw util::MalformedNumberFormatException(); // Invalid Format
+    }
+    else if (aFormStr != aFormat)
+    {
+        // The format exists but with a different format code string, and if it
+        // was only uppercase vs lowercase keywords; but also syntax extensions
+        // are possible like resulting embedded LCIDs and what not the client
+        // doesn't know about. Silently accept instead of throwing an error.
+        nRet = nKey;
+    }
+    else
+        throw uno::RuntimeException(); // Other error (e.g. already added)
+
+    return nRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::addNewConverted( const OUString& aFormat,
+                                                        const lang::Locale& nLocale,
+                                                        const lang::Locale& nNewLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    sal_Int32 nRet = 0;
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    OUString aFormStr = aFormat;
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    LanguageType eNewLang = lcl_GetLanguage( nNewLocale );
+    sal_uInt32 nKey = 0;
+    sal_Int32 nCheckPos = 0;
+    SvNumFormatType nType = SvNumFormatType::ALL;
+    // This is used also when reading OOXML documents, there's no indicator
+    // whether to convert date particle order as well, so don't. See tdf#119013
+    bool bOk = pFormatter->PutandConvertEntry( aFormStr, nCheckPos, nType, nKey, eLang, eNewLang, false);
+    if (bOk || nKey > 0)
+        nRet = nKey;
+    else if (nCheckPos)
+    {
+        throw util::MalformedNumberFormatException();       // Invalid format
+    }
+    else
+        throw uno::RuntimeException(); // Other error (e.g. already added)
+
+    return nRet;
+}
+
+void SAL_CALL SvNumberFormatsObj::removeByKey( sal_Int32 nKey )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+
+    if (pFormatter)
+    {
+        pFormatter->DeleteEntry(nKey);
+    }
+}
+
+OUString SAL_CALL SvNumberFormatsObj::generateFormat( sal_Int32 nBaseKey,
+                                                      const lang::Locale& nLocale,
+                                                      sal_Bool bThousands,
+                                                      sal_Bool bRed, sal_Int16 nDecimals,
+                                                      sal_Int16 nLeading )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    OUString aRet = pFormatter->GenerateFormat(nBaseKey, eLang, bThousands, bRed, nDecimals, nLeading);
+    return aRet;
+}
+
+// XNumberFormatTypes
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::getStandardIndex( const lang::Locale& nLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    sal_Int32 nRet = pFormatter->GetStandardIndex(eLang);
+    return nRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::getStandardFormat( sal_Int16 nType, const lang::Locale& nLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    // Mask out "defined" bit, so type from an existing number format
+    // can directly be used for getStandardFormat
+    SvNumFormatType nType2 = static_cast<SvNumFormatType>(nType);
+    nType2 &= ~SvNumFormatType::DEFINED;
+    sal_Int32 nRet = pFormatter->GetStandardFormat(nType2, eLang);
+    return nRet;
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::getFormatIndex( sal_Int16 nIndex, const lang::Locale& nLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    sal_Int32 nRet = pFormatter->GetFormatIndex( static_cast<NfIndexTableOffset>(nIndex), eLang );
+    return nRet;
+}
+
+sal_Bool SAL_CALL SvNumberFormatsObj::isTypeCompatible( sal_Int16 nOldType, sal_Int16 nNewType )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    return SvNumberFormatter::IsCompatible( static_cast<SvNumFormatType>(nOldType), static_cast<SvNumFormatType>(nNewType) );
+}
+
+sal_Int32 SAL_CALL SvNumberFormatsObj::getFormatForLocale( sal_Int32 nKey, const lang::Locale& nLocale )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    LanguageType eLang = lcl_GetLanguage( nLocale );
+    sal_Int32 nRet = pFormatter->GetFormatForLanguageIfBuiltIn(nKey, eLang);
+    return nRet;
+}
+
+// XServiceInfo
+
+OUString SAL_CALL SvNumberFormatsObj::getImplementationName()
+{
+    return "SvNumberFormatsObj";
+}
+
+sal_Bool SAL_CALL SvNumberFormatsObj::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this, ServiceName );
+}
+
+uno::Sequence<OUString> SAL_CALL SvNumberFormatsObj::getSupportedServiceNames()
+{
+    return { "com.sun.star.util.NumberFormats" };
+}
+
+SvNumberFormatObj::SvNumberFormatObj( SvNumberFormatsSupplierObj& rParent, sal_uLong nK, ::comphelper::SharedMutex _aMutex )
+    :m_xSupplier( &rParent )
+    ,nKey( nK )
+    ,m_aMutex(std::move( _aMutex ))
+{
+}
+
+SvNumberFormatObj::~SvNumberFormatObj()
+{
+}
+
+// XPropertySet
+
+uno::Reference<beans::XPropertySetInfo> SAL_CALL SvNumberFormatObj::getPropertySetInfo()
+{
+    static uno::Reference<beans::XPropertySetInfo> aRef =
+        new SfxItemPropertySetInfo( lcl_GetNumberFormatPropertyMap() );
+    return aRef;
+}
+
+void SAL_CALL SvNumberFormatObj::setPropertyValue( const OUString&,
+                                                   const uno::Any& )
+{
+    throw beans::UnknownPropertyException(); // Everything is read-only
+}
+
+uno::Any SAL_CALL SvNumberFormatObj::getPropertyValue( const OUString& aPropertyName )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    uno::Any aRet;
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    const SvNumberformat* pFormat = pFormatter ? pFormatter->GetEntry(nKey) : nullptr;
+    if (!pFormat)
+        throw uno::RuntimeException();
+
+    bool bThousand, bRed;
+    sal_uInt16 nDecimals, nLeading;
+
+    if (aPropertyName == PROPERTYNAME_FMTSTR)
+    {
+        aRet <<= pFormat->GetFormatstring();
+    }
+    else if (aPropertyName == PROPERTYNAME_LOCALE)
+    {
+        lang::Locale aLocale( LanguageTag::convertToLocale( pFormat->GetLanguage(), false));
+        aRet <<= aLocale;
+    }
+    else if (aPropertyName == PROPERTYNAME_TYPE)
+    {
+        aRet <<= static_cast<sal_Int16>( pFormat->GetType() );
+    }
+    else if (aPropertyName == PROPERTYNAME_COMMENT)
+    {
+        aRet <<= pFormat->GetComment();
+    }
+    else if (aPropertyName == PROPERTYNAME_STDFORM)
+    {
+        //! Pass through SvNumberformat Member bStandard?
+        aRet <<= ( ( nKey % SV_COUNTRY_LANGUAGE_OFFSET ) == 0 );
+    }
+    else if (aPropertyName == PROPERTYNAME_USERDEF)
+    {
+        aRet <<= bool( pFormat->GetType() & SvNumFormatType::DEFINED );
+    }
+    else if (aPropertyName == PROPERTYNAME_DECIMALS)
+    {
+        pFormat->GetFormatSpecialInfo( bThousand, bRed, nDecimals, nLeading );
+        aRet <<= static_cast<sal_Int16>(nDecimals);
+    }
+    else if (aPropertyName == PROPERTYNAME_LEADING)
+    {
+        pFormat->GetFormatSpecialInfo( bThousand, bRed, nDecimals, nLeading );
+        aRet <<= static_cast<sal_Int16>(nLeading);
+    }
+    else if (aPropertyName == PROPERTYNAME_NEGRED)
+    {
+        pFormat->GetFormatSpecialInfo( bThousand, bRed, nDecimals, nLeading );
+        aRet <<= bRed;
+    }
+    else if (aPropertyName == PROPERTYNAME_THOUS)
+    {
+        pFormat->GetFormatSpecialInfo( bThousand, bRed, nDecimals, nLeading );
+        aRet <<= bThousand;
+    }
+    else if (aPropertyName == PROPERTYNAME_CURRSYM)
+    {
+        OUString aSymbol, aExt;
+        pFormat->GetNewCurrencySymbol( aSymbol, aExt );
+        aRet <<= aSymbol;
+    }
+    else if (aPropertyName == PROPERTYNAME_CURREXT)
+    {
+        OUString aSymbol, aExt;
+        pFormat->GetNewCurrencySymbol( aSymbol, aExt );
+        aRet <<= aExt;
+    }
+    else if (aPropertyName == PROPERTYNAME_CURRABB)
+    {
+        OUString aSymbol, aExt;
+        bool bBank = false;
+        pFormat->GetNewCurrencySymbol( aSymbol, aExt );
+        const NfCurrencyEntry* pCurr = SvNumberFormatter::GetCurrencyEntry( bBank,
+            aSymbol, aExt, pFormat->GetLanguage() );
+        if ( pCurr )
+            aRet <<= pCurr->GetBankSymbol();
+        else
+            aRet <<= OUString();
+    }
+    else
+        throw beans::UnknownPropertyException(aPropertyName);
+
+    return aRet;
+}
+
+void SAL_CALL SvNumberFormatObj::addPropertyChangeListener( const OUString&,
+                                                            const uno::Reference<beans::XPropertyChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatObj::removePropertyChangeListener( const OUString&,
+                                                               const uno::Reference<beans::XPropertyChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatObj::addVetoableChangeListener( const OUString&,
+                                                            const uno::Reference<beans::XVetoableChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatObj::removeVetoableChangeListener( const OUString&,
+                                                               const uno::Reference<beans::XVetoableChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+// XPropertyAccess
+
+uno::Sequence<beans::PropertyValue> SAL_CALL SvNumberFormatObj::getPropertyValues()
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    const SvNumberformat* pFormat = pFormatter ? pFormatter->GetEntry(nKey) : nullptr;
+    if (!pFormat)
+        throw uno::RuntimeException();
+
+    OUString aSymbol, aExt;
+    OUString aAbb;
+    bool bBank = false;
+    pFormat->GetNewCurrencySymbol( aSymbol, aExt );
+    const NfCurrencyEntry* pCurr = SvNumberFormatter::GetCurrencyEntry( bBank,
+        aSymbol, aExt, pFormat->GetLanguage() );
+    if ( pCurr )
+        aAbb = pCurr->GetBankSymbol();
+
+    OUString aFmtStr = pFormat->GetFormatstring();
+    OUString aComment = pFormat->GetComment();
+    bool bStandard = ( ( nKey % SV_COUNTRY_LANGUAGE_OFFSET ) == 0 );
+    //! Pass through SvNumberformat Member bStandard?
+    bool bUserDef( pFormat->GetType() & SvNumFormatType::DEFINED );
+    bool bThousand, bRed;
+    sal_uInt16 nDecimals, nLeading;
+    pFormat->GetFormatSpecialInfo( bThousand, bRed, nDecimals, nLeading );
+    lang::Locale aLocale( LanguageTag( pFormat->GetLanguage()).getLocale());
+
+    uno::Sequence<beans::PropertyValue> aSeq( comphelper::InitPropertySequence({
+            { PROPERTYNAME_FMTSTR, uno::Any(aFmtStr) },
+            { PROPERTYNAME_LOCALE, uno::Any(aLocale) },
+            { PROPERTYNAME_TYPE, uno::Any(sal_Int16( pFormat->GetType() )) },
+            { PROPERTYNAME_COMMENT, uno::Any(aComment) },
+            { PROPERTYNAME_STDFORM, uno::Any(bStandard) },
+            { PROPERTYNAME_USERDEF, uno::Any(bUserDef) },
+            { PROPERTYNAME_DECIMALS, uno::Any(sal_Int16( nDecimals )) },
+            { PROPERTYNAME_LEADING, uno::Any(sal_Int16( nLeading )) },
+            { PROPERTYNAME_NEGRED, uno::Any(bRed) },
+            { PROPERTYNAME_THOUS, uno::Any(bThousand) },
+            { PROPERTYNAME_CURRSYM, uno::Any(aSymbol) },
+            { PROPERTYNAME_CURREXT, uno::Any(aExt) },
+            { PROPERTYNAME_CURRABB, uno::Any(aAbb) }
+        }));
+
+    return aSeq;
+}
+
+void SAL_CALL SvNumberFormatObj::setPropertyValues( const uno::Sequence<beans::PropertyValue>& )
+{
+    throw beans::UnknownPropertyException(); // Everything is read-only
+}
+
+// XServiceInfo
+
+OUString SAL_CALL SvNumberFormatObj::getImplementationName()
+{
+    return "SvNumberFormatObj";
+}
+
+sal_Bool SAL_CALL SvNumberFormatObj::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this, ServiceName );
+}
+
+uno::Sequence<OUString> SAL_CALL SvNumberFormatObj::getSupportedServiceNames()
+{
+    return { "com.sun.star.util.NumberFormatProperties" };
+}
+
+SvNumberFormatSettingsObj::SvNumberFormatSettingsObj( SvNumberFormatsSupplierObj& rParent, ::comphelper::SharedMutex _aMutex )
+    :m_xSupplier( &rParent )
+    ,m_aMutex(std::move( _aMutex ))
+{
+}
+
+SvNumberFormatSettingsObj::~SvNumberFormatSettingsObj()
+{
+}
+
+// XPropertySet
+
+uno::Reference<beans::XPropertySetInfo> SAL_CALL SvNumberFormatSettingsObj::getPropertySetInfo()
+{
+    static uno::Reference<beans::XPropertySetInfo> aRef =
+        new SfxItemPropertySetInfo( lcl_GetNumberSettingsPropertyMap() );
+    return aRef;
+}
+
+void SAL_CALL SvNumberFormatSettingsObj::setPropertyValue( const OUString& aPropertyName,
+                                                           const uno::Any& aValue )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    if (aPropertyName == PROPERTYNAME_NOZERO)
+    {
+        //  operator >>= shouldn't be used for bool (?)
+        if ( auto b = o3tl::tryAccess<bool>(aValue) )
+            pFormatter->SetNoZero( *b );
+    }
+    else if (aPropertyName == PROPERTYNAME_NULLDATE)
+    {
+        util::Date aDate;
+        if ( aValue >>= aDate )
+            pFormatter->ChangeNullDate( aDate.Day, aDate.Month, aDate.Year );
+    }
+    else if (aPropertyName == PROPERTYNAME_STDDEC)
+    {
+        sal_Int16 nInt16 = sal_Int16();
+        if ( aValue >>= nInt16 )
+            pFormatter->ChangeStandardPrec( nInt16 );
+    }
+    else if (aPropertyName == PROPERTYNAME_TWODIGIT)
+    {
+        sal_Int16 nInt16 = sal_Int16();
+        if ( aValue >>= nInt16 )
+            pFormatter->SetYear2000( nInt16 );
+    }
+    else
+        throw beans::UnknownPropertyException(aPropertyName);
+
+}
+
+uno::Any SAL_CALL SvNumberFormatSettingsObj::getPropertyValue( const OUString& aPropertyName )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    uno::Any aRet;
+    SvNumberFormatter* pFormatter = m_xSupplier->GetNumberFormatter();
+    if (!pFormatter)
+        throw uno::RuntimeException();
+
+    if (aPropertyName == PROPERTYNAME_NOZERO)
+    {
+        aRet <<= pFormatter->GetNoZero();
+    }
+    else if (aPropertyName == PROPERTYNAME_NULLDATE)
+    {
+        const Date& rDate = pFormatter->GetNullDate();
+        aRet <<= rDate.GetUNODate();
+    }
+    else if (aPropertyName == PROPERTYNAME_STDDEC)
+        aRet <<= static_cast<sal_Int16>( pFormatter->GetStandardPrec() );
+    else if (aPropertyName == PROPERTYNAME_TWODIGIT)
+        aRet <<= static_cast<sal_Int16>( pFormatter->GetYear2000() );
+    else
+        throw beans::UnknownPropertyException(aPropertyName);
+
+    return aRet;
+}
+
+void SAL_CALL SvNumberFormatSettingsObj::addPropertyChangeListener( const OUString&,
+                                                                    const uno::Reference<beans::XPropertyChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatSettingsObj::removePropertyChangeListener( const OUString&,
+                                                                       const uno::Reference<beans::XPropertyChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatSettingsObj::addVetoableChangeListener( const OUString&,
+                                                                    const uno::Reference<beans::XVetoableChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+void SAL_CALL SvNumberFormatSettingsObj::removeVetoableChangeListener( const OUString&,
+                                                                       const uno::Reference<beans::XVetoableChangeListener>&)
+{
+    OSL_FAIL("not implemented");
+}
+
+// XServiceInfo
+
+OUString SAL_CALL SvNumberFormatSettingsObj::getImplementationName()
+{
+    return "SvNumberFormatSettingsObj";
+}
+
+sal_Bool SAL_CALL SvNumberFormatSettingsObj::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this, ServiceName );
+}
+
+uno::Sequence<OUString> SAL_CALL SvNumberFormatSettingsObj::getSupportedServiceNames()
+{
+    return { "com.sun.star.util.NumberFormatSettings" };
+}
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_uno_util_numbers_SvNumberFormatterServiceObject_get_implementation(css::uno::XComponentContext*,
+                                                                                css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new SvNumberFormatterServiceObj());
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/numfmuno.hxx b/svl/source/numbers/numfmuno.hxx
new file mode 100644
index 0000000000..f88c2e6429
--- /dev/null
+++ b/svl/source/numbers/numfmuno.hxx
@@ -0,0 +1,222 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_NUMBERS_NUMFMUNO_HXX
+#define INCLUDED_SVL_SOURCE_NUMBERS_NUMFMUNO_HXX
+
+#include <com/sun/star/util/XNumberFormatter2.hpp>
+#include <com/sun/star/util/XNumberFormats.hpp>
+#include <com/sun/star/util/XNumberFormatTypes.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/beans/XPropertyAccess.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <comphelper/sharedmutex.hxx>
+#include <rtl/ref.hxx>
+#include <tools/solar.h>
+
+class SvNumberFormatsSupplierObj;
+
+
+/**
+ * SvNumberFormatterServiceObj is registered globally as a Service
+ */
+class SvNumberFormatterServiceObj : public cppu::WeakImplHelper<
+                                        css::util::XNumberFormatter2,
+                                        css::lang::XServiceInfo>
+{
+private:
+    ::rtl::Reference< SvNumberFormatsSupplierObj >  xSupplier;
+    mutable ::comphelper::SharedMutex               m_aMutex;
+
+public:
+                        SvNumberFormatterServiceObj();
+    virtual             ~SvNumberFormatterServiceObj() override;
+
+    // XNumberFormatter
+    virtual void SAL_CALL attachNumberFormatsSupplier(
+                            const css::uno::Reference< css::util::XNumberFormatsSupplier >& xSupplier ) override;
+    virtual css::uno::Reference< css::util::XNumberFormatsSupplier >
+                            SAL_CALL getNumberFormatsSupplier() override;
+    virtual sal_Int32 SAL_CALL detectNumberFormat( sal_Int32 nKey, const OUString& aString ) override;
+    virtual double SAL_CALL convertStringToNumber( sal_Int32 nKey, const OUString& aString ) override;
+    virtual OUString SAL_CALL convertNumberToString( sal_Int32 nKey, double fValue ) override;
+    virtual sal_Int32 SAL_CALL queryColorForNumber( sal_Int32 nKey,
+                            double fValue, sal_Int32 aDefaultColor ) override;
+    virtual OUString SAL_CALL formatString( sal_Int32 nKey, const OUString& aString ) override;
+    virtual sal_Int32 SAL_CALL queryColorForString( sal_Int32 nKey,
+                                const OUString& aString,
+                                sal_Int32 aDefaultColor ) override;
+    virtual OUString SAL_CALL getInputString( sal_Int32 nKey, double fValue ) override;
+
+    // XNumberFormatPreviewer
+    virtual OUString SAL_CALL convertNumberToPreviewString(
+                            const OUString& aFormat, double fValue,
+                            const css::lang::Locale& nLocale, sal_Bool bAllowEnglish ) override;
+    virtual sal_Int32 SAL_CALL queryPreviewColorForNumber(
+                            const OUString& aFormat, double fValue,
+                            const css::lang::Locale& nLocale, sal_Bool bAllowEnglish,
+                            sal_Int32 aDefaultColor ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+};
+
+
+class SvNumberFormatsObj : public cppu::WeakImplHelper<
+                                        css::util::XNumberFormats,
+                                        css::util::XNumberFormatTypes,
+                                        css::lang::XServiceInfo>
+{
+private:
+    rtl::Reference<SvNumberFormatsSupplierObj> m_xSupplier;
+    mutable ::comphelper::SharedMutex          m_aMutex;
+
+public:
+                    SvNumberFormatsObj(SvNumberFormatsSupplierObj& pParent, ::comphelper::SharedMutex _aMutex);
+    virtual         ~SvNumberFormatsObj() override;
+
+
+    // XNumberFormats
+    virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL
+                            getByKey( sal_Int32 nKey ) override;
+    virtual css::uno::Sequence< sal_Int32 > SAL_CALL queryKeys( sal_Int16 nType,
+                            const css::lang::Locale& nLocale, sal_Bool bCreate ) override;
+    virtual sal_Int32 SAL_CALL queryKey( const OUString& aFormat,
+                            const css::lang::Locale& nLocale, sal_Bool bScan ) override;
+    virtual sal_Int32 SAL_CALL addNew( const OUString& aFormat,
+                            const css::lang::Locale& nLocale ) override;
+    virtual sal_Int32 SAL_CALL addNewConverted( const OUString& aFormat,
+                            const css::lang::Locale& nLocale,
+                            const css::lang::Locale& nNewLocale ) override;
+    virtual void SAL_CALL removeByKey( sal_Int32 nKey ) override;
+    virtual OUString SAL_CALL generateFormat( sal_Int32 nBaseKey,
+                            const css::lang::Locale& nLocale, sal_Bool bThousands,
+                            sal_Bool bRed, sal_Int16 nDecimals, sal_Int16 nLeading ) override;
+
+    // XNumberFormatTypes
+    virtual sal_Int32 SAL_CALL getStandardIndex( const css::lang::Locale& nLocale ) override;
+    virtual sal_Int32 SAL_CALL getStandardFormat( sal_Int16 nType,
+                            const css::lang::Locale& nLocale ) override;
+    virtual sal_Int32 SAL_CALL getFormatIndex( sal_Int16 nIndex,
+                            const css::lang::Locale& nLocale ) override;
+    virtual sal_Bool SAL_CALL isTypeCompatible( sal_Int16 nOldType, sal_Int16 nNewType ) override;
+    virtual sal_Int32 SAL_CALL getFormatForLocale( sal_Int32 nKey,
+                            const css::lang::Locale& nLocale ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+};
+
+
+class SvNumberFormatObj : public cppu::WeakImplHelper<
+                                        css::beans::XPropertySet,
+                                        css::beans::XPropertyAccess,
+                                        css::lang::XServiceInfo>
+{
+private:
+    rtl::Reference<SvNumberFormatsSupplierObj>
+                                        m_xSupplier;
+    sal_uLong                           nKey;
+    mutable ::comphelper::SharedMutex   m_aMutex;
+
+public:
+    SvNumberFormatObj( SvNumberFormatsSupplierObj& rParent, sal_uLong nK, ::comphelper::SharedMutex _aMutex );
+    virtual         ~SvNumberFormatObj() override;
+
+    // XPropertySet
+    virtual css::uno::Reference< css::beans::XPropertySetInfo >
+                            SAL_CALL getPropertySetInfo(  ) override;
+    virtual void SAL_CALL   setPropertyValue( const OUString& aPropertyName,
+                                    const css::uno::Any& aValue ) override;
+    virtual css::uno::Any SAL_CALL getPropertyValue(
+                                    const OUString& PropertyName ) override;
+    virtual void SAL_CALL   addPropertyChangeListener( const OUString& aPropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XPropertyChangeListener >& xListener ) override;
+    virtual void SAL_CALL   removePropertyChangeListener( const OUString& aPropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XPropertyChangeListener >& aListener ) override;
+    virtual void SAL_CALL   addVetoableChangeListener( const OUString& PropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XVetoableChangeListener >& aListener ) override;
+    virtual void SAL_CALL   removeVetoableChangeListener( const OUString& PropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XVetoableChangeListener >& aListener ) override;
+
+    // XPropertyAccess
+    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
+                            getPropertyValues() override;
+    virtual void SAL_CALL   setPropertyValues( const css::uno::Sequence<
+                                css::beans::PropertyValue >& aProps ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+};
+
+
+class SvNumberFormatSettingsObj : public cppu::WeakImplHelper<
+                                        css::beans::XPropertySet,
+                                        css::lang::XServiceInfo>
+{
+private:
+    rtl::Reference<SvNumberFormatsSupplierObj>
+                                        m_xSupplier;
+    mutable ::comphelper::SharedMutex   m_aMutex;
+
+public:
+                    SvNumberFormatSettingsObj( SvNumberFormatsSupplierObj& rParent, ::comphelper::SharedMutex _aMutex);
+    virtual         ~SvNumberFormatSettingsObj() override;
+
+
+    // XPropertySet
+    virtual css::uno::Reference< css::beans::XPropertySetInfo >
+                            SAL_CALL getPropertySetInfo(  ) override;
+    virtual void SAL_CALL   setPropertyValue( const OUString& aPropertyName,
+                                    const css::uno::Any& aValue ) override;
+    virtual css::uno::Any SAL_CALL getPropertyValue(
+                                    const OUString& PropertyName ) override;
+    virtual void SAL_CALL   addPropertyChangeListener( const OUString& aPropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XPropertyChangeListener >& xListener ) override;
+    virtual void SAL_CALL   removePropertyChangeListener( const OUString& aPropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XPropertyChangeListener >& aListener ) override;
+    virtual void SAL_CALL   addVetoableChangeListener( const OUString& PropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XVetoableChangeListener >& aListener ) override;
+    virtual void SAL_CALL   removeVetoableChangeListener( const OUString& PropertyName,
+                                    const css::uno::Reference<
+                                        css::beans::XVetoableChangeListener >& aListener ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+};
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/numuno.cxx b/svl/source/numbers/numuno.cxx
new file mode 100644
index 0000000000..db633f4055
--- /dev/null
+++ b/svl/source/numbers/numuno.cxx
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <svl/numuno.hxx>
+#include "numfmuno.hxx"
+
+using namespace com::sun::star;
+
+
+class SvNumFmtSuppl_Impl
+{
+public:
+    SvNumberFormatter*                  pFormatter;
+    mutable ::comphelper::SharedMutex   aMutex;
+
+    explicit SvNumFmtSuppl_Impl(SvNumberFormatter* p) :
+        pFormatter(p) {}
+};
+
+
+// Default ctor for getReflection
+SvNumberFormatsSupplierObj::SvNumberFormatsSupplierObj()
+    : pImpl( new SvNumFmtSuppl_Impl(nullptr) )
+{
+}
+
+SvNumberFormatsSupplierObj::SvNumberFormatsSupplierObj(SvNumberFormatter* pForm)
+    : pImpl( new SvNumFmtSuppl_Impl(pForm) )
+{
+}
+
+SvNumberFormatsSupplierObj::~SvNumberFormatsSupplierObj()
+{
+}
+
+::comphelper::SharedMutex& SvNumberFormatsSupplierObj::getSharedMutex() const
+{
+    return pImpl->aMutex;
+}
+
+SvNumberFormatter* SvNumberFormatsSupplierObj::GetNumberFormatter() const
+{
+    return pImpl->pFormatter;
+}
+
+void SvNumberFormatsSupplierObj::SetNumberFormatter(SvNumberFormatter* pNew)
+{
+    // The old Numberformatter has been retired, do not access it anymore!
+    pImpl->pFormatter = pNew;
+}
+
+// XNumberFormatsSupplier
+
+uno::Reference<beans::XPropertySet> SAL_CALL SvNumberFormatsSupplierObj::getNumberFormatSettings()
+{
+    ::osl::MutexGuard aGuard( pImpl->aMutex );
+
+    return new SvNumberFormatSettingsObj( *this, pImpl->aMutex );
+}
+
+uno::Reference<util::XNumberFormats> SAL_CALL SvNumberFormatsSupplierObj::getNumberFormats()
+{
+    ::osl::MutexGuard aGuard( pImpl->aMutex );
+
+    return new SvNumberFormatsObj( *this, pImpl->aMutex );
+}
+
+// XUnoTunnel
+
+UNO3_GETIMPLEMENTATION_IMPL(SvNumberFormatsSupplierObj);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/supservs.cxx b/svl/source/numbers/supservs.cxx
new file mode 100644
index 0000000000..5a51158a2b
--- /dev/null
+++ b/svl/source/numbers/supservs.cxx
@@ -0,0 +1,161 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "supservs.hxx"
+#include <com/sun/star/lang/Locale.hpp>
+#include <comphelper/sharedmutex.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/weak.hxx>
+#include <i18nlangtag/languagetag.hxx>
+#include <svl/numformat.hxx>
+#include <tools/debug.hxx>
+#include <osl/mutex.hxx>
+#include <utility>
+#include <osl/diagnose.h>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::util;
+using namespace ::utl;
+
+
+SvNumberFormatsSupplierServiceObject::SvNumberFormatsSupplierServiceObject(css::uno::Reference< css::uno::XComponentContext > _xORB)
+    :m_xORB(std::move(_xORB))
+{
+}
+
+SvNumberFormatsSupplierServiceObject::~SvNumberFormatsSupplierServiceObject()
+{
+}
+
+Any SAL_CALL SvNumberFormatsSupplierServiceObject::queryAggregation( const Type& _rType )
+{
+    Any aReturn = ::cppu::queryInterface(_rType,
+        static_cast< XInitialization* >(this),
+        static_cast< XServiceInfo* >(this)
+    );
+
+    if (!aReturn.hasValue())
+        aReturn = SvNumberFormatsSupplierObj::queryAggregation(_rType);
+
+    return aReturn;
+}
+
+void SAL_CALL SvNumberFormatsSupplierServiceObject::initialize( const Sequence< Any >& _rArguments )
+{
+    ::osl::MutexGuard aGuard( getSharedMutex() );
+
+    DBG_ASSERT(m_pOwnFormatter == nullptr,
+        "SvNumberFormatsSupplierServiceObject::initialize : already initialized !");
+        // maybe you already called a method which needed the formatter
+        // you should use XMultiServiceFactory::createInstanceWithArguments to avoid that
+    if (m_pOwnFormatter)
+    {   // !!! this is only an emergency handling, normally this should not occur !!!
+        m_pOwnFormatter.reset();
+        SetNumberFormatter(m_pOwnFormatter.get());
+    }
+
+    Type aExpectedArgType = ::cppu::UnoType<css::lang::Locale>::get();
+    LanguageType eNewFormatterLanguage = LANGUAGE_SYSTEM;
+        // the default
+
+    for (const Any& rArg : _rArguments)
+    {
+        if (rArg.getValueType().equals(aExpectedArgType))
+        {
+            css::lang::Locale aLocale;
+            rArg >>= aLocale;
+            eNewFormatterLanguage = LanguageTag::convertToLanguageType( aLocale, false);
+        }
+#ifdef DBG_UTIL
+        else
+        {
+            OSL_FAIL("SvNumberFormatsSupplierServiceObject::initialize : unknown argument !");
+        }
+#endif
+    }
+
+    m_pOwnFormatter.reset( new SvNumberFormatter( m_xORB, eNewFormatterLanguage) );
+    m_pOwnFormatter->SetEvalDateFormat( NF_EVALDATEFORMAT_FORMAT_INTL );
+    SetNumberFormatter(m_pOwnFormatter.get());
+}
+
+OUString SAL_CALL SvNumberFormatsSupplierServiceObject::getImplementationName(  )
+{
+    return "com.sun.star.uno.util.numbers.SvNumberFormatsSupplierServiceObject";
+}
+
+sal_Bool SAL_CALL SvNumberFormatsSupplierServiceObject::supportsService( const OUString& _rServiceName )
+{
+    return cppu::supportsService(this, _rServiceName);
+}
+
+Sequence< OUString > SAL_CALL SvNumberFormatsSupplierServiceObject::getSupportedServiceNames(  )
+{
+    return { "com.sun.star.util.NumberFormatsSupplier" };
+}
+
+Reference< XPropertySet > SAL_CALL SvNumberFormatsSupplierServiceObject::getNumberFormatSettings()
+{
+    ::osl::MutexGuard aGuard( getSharedMutex() );
+    implEnsureFormatter();
+    return SvNumberFormatsSupplierObj::getNumberFormatSettings();
+}
+
+Reference< XNumberFormats > SAL_CALL SvNumberFormatsSupplierServiceObject::getNumberFormats()
+{
+    ::osl::MutexGuard aGuard( getSharedMutex() );
+    implEnsureFormatter();
+    return SvNumberFormatsSupplierObj::getNumberFormats();
+}
+
+sal_Int64 SAL_CALL SvNumberFormatsSupplierServiceObject::getSomething( const Sequence< sal_Int8 >& aIdentifier )
+{
+    sal_Int64 nReturn = SvNumberFormatsSupplierObj::getSomething( aIdentifier );
+    if ( nReturn )
+        // if somebody accesses internals then we should have the formatter
+        implEnsureFormatter();
+    return nReturn;
+}
+
+void SvNumberFormatsSupplierServiceObject::implEnsureFormatter()
+{
+    if (!m_pOwnFormatter)
+    {
+        // get the office's UI locale
+        SvtSysLocale aSysLocale;
+        css::lang::Locale aOfficeLocale = aSysLocale.GetLocaleData().getLanguageTag().getLocale();
+
+        // initialize with this locale
+        initialize({ Any(aOfficeLocale) });
+    }
+}
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_uno_util_numbers_SvNumberFormatsSupplierServiceObject_get_implementation(css::uno::XComponentContext* context,
+                                                                    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new SvNumberFormatsSupplierServiceObject(context));
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/supservs.hxx b/svl/source/numbers/supservs.hxx
new file mode 100644
index 0000000000..4ddf5751e8
--- /dev/null
+++ b/svl/source/numbers/supservs.hxx
@@ -0,0 +1,80 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_NUMBERS_SUPSERVS_HXX
+#define INCLUDED_SVL_SOURCE_NUMBERS_SUPSERVS_HXX
+
+#include <svl/numuno.hxx>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <memory>
+
+/**
+ * SvNumberFormatsSupplierServiceObject - a number formats supplier which
+ * - can be instantiated as a service
+ * - works with its own SvNumberFormatter instance
+ * - can be initialized (css::lang::XInitialization)
+ * with a specific language (i.e. css::lang::Locale)
+ */
+class SvNumberFormatsSupplierServiceObject final
+            :public SvNumberFormatsSupplierObj
+            ,public css::lang::XInitialization
+            ,public css::lang::XServiceInfo
+{
+    std::unique_ptr<SvNumberFormatter>                  m_pOwnFormatter;
+    css::uno::Reference< css::uno::XComponentContext >  m_xORB;
+
+    void implEnsureFormatter();
+
+public:
+    explicit SvNumberFormatsSupplierServiceObject(css::uno::Reference< css::uno::XComponentContext > _xORB);
+    virtual ~SvNumberFormatsSupplierServiceObject() override;
+
+    // XInterface
+    virtual void SAL_CALL acquire() noexcept override { SvNumberFormatsSupplierObj::acquire(); }
+    virtual void SAL_CALL release() noexcept override { SvNumberFormatsSupplierObj::release(); }
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& _rType ) override
+        { return SvNumberFormatsSupplierObj::queryInterface(_rType); }
+
+    // XAggregation
+    virtual css::uno::Any SAL_CALL queryAggregation( const css::uno::Type& _rType ) override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+
+    // XNumberFormatsSupplier
+    virtual css::uno::Reference< css::beans::XPropertySet > SAL_CALL
+                getNumberFormatSettings() override;
+    virtual css::uno::Reference< css::util::XNumberFormats > SAL_CALL
+                getNumberFormats() override;
+
+    // XUnoTunneler
+    virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
+};
+
+
+#endif // INCLUDED_SVL_SOURCE_NUMBERS_SUPSERVS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zforfind.cxx b/svl/source/numbers/zforfind.cxx
new file mode 100644
index 0000000000..c1898104a9
--- /dev/null
+++ b/svl/source/numbers/zforfind.cxx
@@ -0,0 +1,4324 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <cstdlib>
+#include <dtoa.h>
+#include <float.h>
+#include <comphelper/string.hxx>
+#include <o3tl/string_view.hxx>
+#include <sal/log.hxx>
+#include <tools/date.hxx>
+#include <rtl/math.hxx>
+#include <rtl/character.hxx>
+#include <unotools/charclass.hxx>
+#include <unotools/calendarwrapper.hxx>
+#include <unotools/localedatawrapper.hxx>
+#include <com/sun/star/i18n/CalendarFieldIndex.hpp>
+#include <com/sun/star/i18n/LocaleCalendar2.hpp>
+#include <unotools/digitgroupingiterator.hxx>
+#include <comphelper/sequence.hxx>
+
+#include <svl/zforlist.hxx>
+#include "zforscan.hxx"
+#include <svl/zformat.hxx>
+
+#include <memory>
+
+#include "zforfind.hxx"
+
+#ifndef DBG_UTIL
+#define NF_TEST_CALENDAR 0
+#else
+#define NF_TEST_CALENDAR 0
+#endif
+#if NF_TEST_CALENDAR
+#include <comphelper/processfactory.hxx>
+#include <com/sun/star/i18n/XCalendar4.hpp>
+#endif
+
+
+const sal_uInt8 ImpSvNumberInputScan::nMatchedEndString    = 0x01;
+const sal_uInt8 ImpSvNumberInputScan::nMatchedMidString    = 0x02;
+const sal_uInt8 ImpSvNumberInputScan::nMatchedStartString  = 0x04;
+const sal_uInt8 ImpSvNumberInputScan::nMatchedVirgin       = 0x08;
+const sal_uInt8 ImpSvNumberInputScan::nMatchedUsedAsReturn = 0x10;
+
+/* It is not clear how we want timezones to be handled. Convert them to local
+ * time isn't wanted, as it isn't done in any other place and timezone
+ * information isn't stored anywhere. Ignoring them and pretending local time
+ * may be wrong too and might not be what the user expects. Keep the input as
+ * string so that no information is lost.
+ * Anyway, defining NF_RECOGNIZE_ISO8601_TIMEZONES to 1 would be the way how it
+ * would work, together with the nTimezonePos handling in GetTimeRef(). */
+#define NF_RECOGNIZE_ISO8601_TIMEZONES 0
+
+const sal_Unicode cNoBreakSpace = 0xA0;
+const sal_Unicode cNarrowNoBreakSpace = 0x202F;
+const bool kDefaultEra = true;     // Gregorian CE, positive year
+
+ImpSvNumberInputScan::ImpSvNumberInputScan( SvNumberFormatter* pFormatterP )
+        :
+        bTextInitialized( false ),
+        bScanGenitiveMonths( false ),
+        bScanPartitiveMonths( false ),
+        eScannedType( SvNumFormatType::UNDEFINED ),
+        eSetType( SvNumFormatType::UNDEFINED )
+{
+    pFormatter = pFormatterP;
+    moNullDate.emplace( 30,12,1899 );
+    nYear2000 = SvNumberFormatter::GetYear2000Default();
+    Reset();
+    ChangeIntl();
+}
+
+
+ImpSvNumberInputScan::~ImpSvNumberInputScan()
+{
+}
+
+
+void ImpSvNumberInputScan::Reset()
+{
+    mpFormat     = nullptr;
+    nMonth       = 0;
+    nMonthPos    = 0;
+    nDayOfWeek   = 0;
+    nTimePos     = 0;
+    nSign        = 0;
+    nESign       = 0;
+    nDecPos      = 0;
+    bNegCheck    = false;
+    nStringsCnt  = 0;
+    nNumericsCnt = 0;
+    nThousand    = 0;
+    eScannedType = SvNumFormatType::UNDEFINED;
+    nAmPm        = 0;
+    nPosThousandString = 0;
+    nLogical     = 0;
+    mbEraCE        = kDefaultEra;
+    nStringScanNumFor = 0;
+    nStringScanSign = 0;
+    nMatchedAllStrings = nMatchedVirgin;
+    nMayBeIso8601 = 0;
+    bIso8601Tsep = false;
+    nMayBeMonthDate = 0;
+    nAcceptedDatePattern = -2;
+    nDatePatternStart = 0;
+    nDatePatternNumbers = 0;
+
+    for (sal_uInt32 i = 0; i < SV_MAX_COUNT_INPUT_STRINGS; i++)
+    {
+        IsNum[i] = false;
+        nNums[i] = 0;
+    }
+}
+
+// native number transliteration if necessary
+static void TransformInput( SvNumberFormatter const * pFormatter, OUString& rStr )
+{
+    sal_Int32 nPos, nLen;
+    for ( nPos = 0, nLen = rStr.getLength(); nPos < nLen; ++nPos )
+    {
+        if ( 256 <= rStr[ nPos ] &&
+             pFormatter->GetCharClass()->isDigit( rStr, nPos ) )
+        {
+            break;
+        }
+    }
+    if ( nPos < nLen )
+    {
+        rStr = pFormatter->GetNatNum()->getNativeNumberString( rStr,
+                                                               pFormatter->GetLanguageTag().getLocale(), 0 );
+    }
+}
+
+
+/**
+ * Only simple unsigned floating point values without any error detection,
+ * decimal separator has to be '.'
+ */
+double ImpSvNumberInputScan::StringToDouble( std::u16string_view aStr, bool bForceFraction )
+{
+    std::unique_ptr<char[]> bufInHeap;
+    constexpr int bufOnStackSize = 256;
+    char bufOnStack[bufOnStackSize];
+    char* buf = bufOnStack;
+    const sal_Int32 bufsize = aStr.size() + (bForceFraction ? 2 : 1);
+    if (bufsize > bufOnStackSize)
+    {
+        bufInHeap = std::make_unique<char[]>(bufsize);
+        buf = bufInHeap.get();
+    }
+    char* p = buf;
+    if (bForceFraction)
+        *p++ = '.';
+    for (size_t nPos = 0; nPos < aStr.size(); ++nPos)
+    {
+        sal_Unicode c = aStr[nPos];
+        if (c == '.' || (c >= '0' && c <= '9'))
+            *p++ = static_cast<char>(c);
+        else
+            break;
+    }
+    *p = '\0';
+
+    return strtod_nolocale(buf, nullptr);
+}
+
+namespace {
+
+/**
+ * Splits up the input into numbers and strings for further processing
+ * (by the Turing machine).
+ *
+ * Starting state = GetChar
+ * ---------------+-------------------+-----------------------------+---------------
+ *  Old State     | Character read    | Event                       | New state
+ * ---------------+-------------------+-----------------------------+---------------
+ *  GetChar       | Number            | Symbol = Character          | GetValue
+ *                | Else              | Symbol = Character          | GetString
+ * ---------------|-------------------+-----------------------------+---------------
+ *  GetValue      | Number            | Symbol = Symbol + Character | GetValue
+ *                | Else              | Dec(CharPos)                | Stop
+ * ---------------+-------------------+-----------------------------+---------------
+ *  GetString     | Number            | Dec(CharPos)                | Stop
+ *                | Else              | Symbol = Symbol + Character | GetString
+ * ---------------+-------------------+-----------------------------+---------------
+ */
+enum ScanState  // States of the Turing machine
+{
+    SsStop      = 0,
+    SsStart     = 1,
+    SsGetValue  = 2,
+    SsGetString = 3
+};
+
+}
+
+bool ImpSvNumberInputScan::NextNumberStringSymbol( const sal_Unicode*& pStr,
+                                                   OUString& rSymbol )
+{
+    bool isNumber = false;
+    sal_Unicode cToken;
+    ScanState eState = SsStart;
+    const sal_Unicode* pHere = pStr;
+    sal_Int32 nChars = 0;
+
+    for (;;)
+    {
+        cToken = *pHere;
+        if (cToken == 0 || eState == SsStop)
+            break;
+        pHere++;
+        switch (eState)
+        {
+        case SsStart:
+            if ( rtl::isAsciiDigit( cToken ) )
+            {
+                eState = SsGetValue;
+                isNumber = true;
+            }
+            else
+            {
+                eState = SsGetString;
+            }
+            nChars++;
+            break;
+        case SsGetValue:
+            if ( rtl::isAsciiDigit( cToken ) )
+            {
+                nChars++;
+            }
+            else
+            {
+                eState = SsStop;
+                pHere--;
+            }
+            break;
+        case SsGetString:
+            if ( !rtl::isAsciiDigit( cToken ) )
+            {
+                nChars++;
+            }
+            else
+            {
+                eState = SsStop;
+                pHere--;
+            }
+            break;
+        default:
+            break;
+        } // switch
+    } // while
+
+    if ( nChars )
+    {
+        rSymbol = OUString( pStr, nChars );
+    }
+    else
+    {
+        rSymbol.clear();
+    }
+
+    pStr = pHere;
+
+    return isNumber;
+}
+
+
+// FIXME: should be grouping; it is only used though in case nStringsCnt is
+// near SV_MAX_COUNT_INPUT_STRINGS, in NumberStringDivision().
+
+bool ImpSvNumberInputScan::SkipThousands( const sal_Unicode*& pStr,
+                                          OUString& rSymbol ) const
+{
+    bool res = false;
+    OUStringBuffer sBuff(rSymbol);
+    sal_Unicode cToken;
+    const OUString& rThSep = pFormatter->GetNumThousandSep();
+    const sal_Unicode* pHere = pStr;
+    ScanState eState = SsStart;
+    sal_Int32 nCounter = 0; // counts 3 digits
+
+    for (;;)
+    {
+        cToken = *pHere;
+        if (cToken == 0 || eState == SsStop)
+            break;
+        pHere++;
+        switch (eState)
+        {
+        case SsStart:
+            if ( StringPtrContains( rThSep, pHere-1, 0 ) )
+            {
+                nCounter = 0;
+                eState = SsGetValue;
+                pHere += rThSep.getLength() - 1;
+            }
+            else
+            {
+                eState = SsStop;
+                pHere--;
+            }
+            break;
+        case SsGetValue:
+            if ( rtl::isAsciiDigit( cToken ) )
+            {
+                sBuff.append(cToken);
+                nCounter++;
+                if (nCounter == 3)
+                {
+                    eState = SsStart;
+                    res = true; // .000 combination found
+                }
+            }
+            else
+            {
+                eState = SsStop;
+                pHere--;
+            }
+            break;
+        default:
+            break;
+        } // switch
+    } // while
+
+    if (eState == SsGetValue) // break with less than 3 digits
+    {
+        if ( nCounter )
+        {
+            sBuff.remove( sBuff.getLength() - nCounter, nCounter );
+        }
+        pHere -= nCounter + rThSep.getLength(); // put back ThSep also
+    }
+    rSymbol = sBuff.makeStringAndClear();
+    pStr = pHere;
+
+    return res;
+}
+
+
+void ImpSvNumberInputScan::NumberStringDivision( const OUString& rString )
+{
+    const sal_Unicode* pStr = rString.getStr();
+    const sal_Unicode* const pEnd = pStr + rString.getLength();
+    while ( pStr < pEnd && nStringsCnt < SV_MAX_COUNT_INPUT_STRINGS )
+    {
+        if ( NextNumberStringSymbol( pStr, sStrArray[nStringsCnt] ) )
+        {   // Number
+            IsNum[nStringsCnt] = true;
+            nNums[nNumericsCnt] = nStringsCnt;
+            nNumericsCnt++;
+            if (nStringsCnt >= SV_MAX_COUNT_INPUT_STRINGS - 7 &&
+                nPosThousandString == 0) // Only once
+            {
+                if ( SkipThousands( pStr, sStrArray[nStringsCnt] ) )
+                {
+                    nPosThousandString = nStringsCnt;
+                }
+            }
+        }
+        else
+        {
+            IsNum[nStringsCnt] = false;
+        }
+        nStringsCnt++;
+    }
+}
+
+
+/**
+ * Whether rString contains rWhat at nPos
+ */
+bool ImpSvNumberInputScan::StringContainsImpl( const OUString& rWhat,
+                                               const OUString& rString, sal_Int32 nPos )
+{
+    if ( nPos + rWhat.getLength() <= rString.getLength() )
+    {
+        return StringPtrContainsImpl( rWhat, rString.getStr(), nPos );
+    }
+    return false;
+}
+
+
+/**
+ * Whether pString contains rWhat at nPos
+ */
+bool ImpSvNumberInputScan::StringPtrContainsImpl( const OUString& rWhat,
+                                                  const sal_Unicode* pString, sal_Int32 nPos )
+{
+    if ( rWhat.isEmpty() )
+    {
+        return false;
+    }
+    const sal_Unicode* pWhat = rWhat.getStr();
+    const sal_Unicode* const pEnd = pWhat + rWhat.getLength();
+    const sal_Unicode* pStr = pString + nPos;
+    while ( pWhat < pEnd )
+    {
+        if ( *pWhat != *pStr )
+        {
+            return false;
+        }
+        pWhat++;
+        pStr++;
+    }
+    return true;
+}
+
+
+/**
+ * Whether rString contains word rWhat at nPos
+ */
+bool ImpSvNumberInputScan::StringContainsWord( const OUString& rWhat,
+                                               const OUString& rString, sal_Int32 nPos ) const
+{
+    if (rWhat.isEmpty() || rString.getLength() < nPos + rWhat.getLength())
+        return false;
+
+    if (StringPtrContainsImpl( rWhat, rString.getStr(), nPos))
+    {
+        nPos += rWhat.getLength();
+        if (nPos == rString.getLength())
+            return true;    // word at end of string
+
+        /* TODO: we COULD invoke bells and whistles word break iterator to find
+         * the next boundary, but really ... this is called for date input, so
+         * how many languages do not separate the day and month names in some
+         * form? */
+
+        // Check simple ASCII first before invoking i18n or anything else.
+        const sal_Unicode c = rString[nPos];
+
+        // Common separating ASCII characters in date context.
+        switch (c)
+        {
+            case ' ':
+            case '-':
+            case '.':
+            case '/':
+                return true;
+            default:
+                ;   // nothing
+        }
+
+        if (rtl::isAsciiAlphanumeric( c ))
+            return false;   // Alpha or numeric is not word gap.
+
+        sal_Int32 nIndex = nPos;
+        rString.iterateCodePoints( &nIndex);
+        if (nPos+1 < nIndex)
+            return true;    // Surrogate, assume these to be new words.
+
+        const sal_Int32 nType = pFormatter->GetCharClass()->getCharacterType( rString, nPos);
+        using namespace ::com::sun::star::i18n;
+
+        if ((nType & (KCharacterType::UPPER | KCharacterType::LOWER | KCharacterType::DIGIT)) != 0)
+            return false;   // Alpha or numeric is not word gap.
+
+        if (nType & KCharacterType::LETTER)
+            return true;    // Letter other than alpha is new word. (Is it?)
+
+        return true;        // Catch all remaining as gap until we know better.
+    }
+
+    return false;
+}
+
+
+/**
+ * Skips the supplied char
+ */
+inline bool ImpSvNumberInputScan::SkipChar( sal_Unicode c, std::u16string_view rString,
+                                            sal_Int32& nPos )
+{
+    if ((nPos < static_cast<sal_Int32>(rString.size())) && (rString[nPos] == c))
+    {
+        nPos++;
+        return true;
+    }
+    return false;
+}
+
+
+/**
+ * Skips blanks
+ */
+inline bool ImpSvNumberInputScan::SkipBlanks( const OUString& rString,
+                                              sal_Int32& nPos )
+{
+    sal_Int32 nHere = nPos;
+    if ( nPos < rString.getLength() )
+    {
+        const sal_Unicode* p = rString.getStr() + nPos;
+        while ( *p == ' ' || *p == cNoBreakSpace || *p == cNarrowNoBreakSpace )
+        {
+            nPos++;
+            p++;
+        }
+    }
+    return nHere < nPos;
+}
+
+
+/**
+ * jump over rWhat in rString at nPos
+ */
+inline bool ImpSvNumberInputScan::SkipString( const OUString& rWhat,
+                                              const OUString& rString, sal_Int32& nPos )
+{
+    if ( StringContains( rWhat, rString, nPos ) )
+    {
+        nPos = nPos + rWhat.getLength();
+        return true;
+    }
+    return false;
+}
+
+
+/**
+ * Recognizes exactly ,111 in {3} and {3,2} or ,11 in {3,2} grouping
+ */
+inline bool ImpSvNumberInputScan::GetThousandSep( std::u16string_view rString,
+                                                  sal_Int32& nPos,
+                                                  sal_uInt16 nStringPos ) const
+{
+    const OUString& rSep = pFormatter->GetNumThousandSep();
+    // Is it an ordinary space instead of a no-break space?
+    bool bSpaceBreak = (rSep[0] == cNoBreakSpace || rSep[0] == cNarrowNoBreakSpace) &&
+        rString[0] == u' ' &&
+        rSep.getLength() == 1 && rString.size() == 1;
+    if (!((rString == rSep || bSpaceBreak) &&      // nothing else
+           nStringPos < nStringsCnt - 1 &&         // safety first!
+           IsNum[ nStringPos + 1 ] ))              // number follows
+    {
+        return false; // no? => out
+    }
+
+    utl::DigitGroupingIterator aGrouping( pFormatter->GetLocaleData()->getDigitGrouping());
+    // Match ,### in {3} or ,## in {3,2}
+    /* FIXME: this could be refined to match ,## in {3,2} only if ,##,## or
+     * ,##,### and to match ,### in {3,2} only if it's the last. However,
+     * currently there is no track kept where group separators occur. In {3,2}
+     * #,###,### and #,##,## would be valid input, which maybe isn't even bad
+     * for #,###,###. Other combinations such as #,###,## maybe not. */
+    sal_Int32 nLen = sStrArray[ nStringPos + 1 ].getLength();
+    if (nLen == aGrouping.get() ||                  // with 3 (or so) digits
+        nLen == aGrouping.advance().get() ||        // or with 2 (or 3 or so) digits
+        nPosThousandString == nStringPos + 1 )      // or concatenated
+    {
+        nPos = nPos + rSep.getLength();
+        return true;
+    }
+    return false;
+}
+
+
+/**
+ * Conversion of text to logical value
+ *  "true" =>  1:
+ *  "false"=> -1:
+ *  else   =>  0:
+ */
+short ImpSvNumberInputScan::GetLogical( std::u16string_view rString ) const
+{
+    short res;
+
+    const ImpSvNumberformatScan* pFS = pFormatter->GetFormatScanner();
+    if ( rString == pFS->GetTrueString() )
+    {
+        res = 1;
+    }
+    else if ( rString == pFS->GetFalseString() )
+    {
+        res = -1;
+    }
+    else
+    {
+        res = 0;
+    }
+    return res;
+}
+
+
+/**
+ * Converts a string containing a month name (JAN, January) at nPos into the
+ * month number (negative if abbreviated), returns 0 if nothing found
+ */
+short ImpSvNumberInputScan::GetMonth( const OUString& rString, sal_Int32& nPos )
+{
+    short res = 0; // no month found
+
+    if (rString.getLength() > nPos) // only if needed
+    {
+        if ( !bTextInitialized )
+        {
+            InitText();
+        }
+        sal_Int16 nMonths = pFormatter->GetCalendar()->getNumberOfMonthsInYear();
+        for ( sal_Int16 i = 0; i < nMonths; i++ )
+        {
+            if ( bScanGenitiveMonths && StringContainsWord( pUpperGenitiveMonthText[i], rString, nPos ) )
+            {   // genitive full names first
+                nPos = nPos + pUpperGenitiveMonthText[i].getLength();
+                res = i + 1;
+                break;  // for
+            }
+            else if ( bScanGenitiveMonths && StringContainsWord( pUpperGenitiveAbbrevMonthText[i], rString, nPos ) )
+            {   // genitive abbreviated
+                nPos = nPos + pUpperGenitiveAbbrevMonthText[i].getLength();
+                res = sal::static_int_cast< short >(-(i+1)); // negative
+                break;  // for
+            }
+            else if ( bScanPartitiveMonths && StringContainsWord( pUpperPartitiveMonthText[i], rString, nPos ) )
+            {   // partitive full names
+                nPos = nPos + pUpperPartitiveMonthText[i].getLength();
+                res = i+1;
+                break;  // for
+            }
+            else if ( bScanPartitiveMonths && StringContainsWord( pUpperPartitiveAbbrevMonthText[i], rString, nPos ) )
+            {   // partitive abbreviated
+                nPos = nPos + pUpperPartitiveAbbrevMonthText[i].getLength();
+                res = sal::static_int_cast< short >(-(i+1)); // negative
+                break;  // for
+            }
+            else if ( StringContainsWord( pUpperMonthText[i], rString, nPos ) )
+            {   // noun full names
+                nPos = nPos + pUpperMonthText[i].getLength();
+                res = i+1;
+                break;  // for
+            }
+            else if ( StringContainsWord( pUpperAbbrevMonthText[i], rString, nPos ) )
+            {   // noun abbreviated
+                nPos = nPos + pUpperAbbrevMonthText[i].getLength();
+                res = sal::static_int_cast< short >(-(i+1)); // negative
+                break;  // for
+            }
+            else if (i == 2 && pFormatter->GetLanguageTag().getLanguage() == "de")
+            {
+                if (pUpperAbbrevMonthText[i] == u"M\u00C4R" && StringContainsWord( "MRZ", rString, nPos))
+                {   // Accept MRZ for MÄR
+                    nPos = nPos + 3;
+                    res = sal::static_int_cast< short >(-(i+1)); // negative
+                    break;  // for
+                }
+                else if (pUpperAbbrevMonthText[i] == "MRZ" && StringContainsWord( u"M\u00C4R"_ustr, rString, nPos))
+                {   // And vice versa, accept MÄR for MRZ
+                    nPos = nPos + 3;
+                    res = sal::static_int_cast< short >(-(i+1)); // negative
+                    break;  // for
+                }
+            }
+            else if (i == 8)
+            {
+                // This assumes the weirdness is applicable to all locales.
+                // It is the case for at least en-* and de-* locales.
+                if (pUpperAbbrevMonthText[i] == "SEPT" && StringContainsWord( "SEP", rString, nPos))
+                {   // #102136# The correct English form of month September abbreviated is
+                    // SEPT, but almost every data contains SEP instead.
+                    nPos = nPos + 3;
+                    res = sal::static_int_cast< short >(-(i+1)); // negative
+                    break;  // for
+                }
+                else if (pUpperAbbrevMonthText[i] == "SEP" && StringContainsWord( "SEPT", rString, nPos))
+                {   // And vice versa, accept SEPT for SEP
+                    nPos = nPos + 4;
+                    res = sal::static_int_cast< short >(-(i+1)); // negative
+                    break;  // for
+                }
+            }
+        }
+        if (!res)
+        {
+            // Brutal hack for German locales that know "Januar" or "Jänner".
+            /* TODO: add alternative month names to locale data? if there are
+             * more languages... */
+            const LanguageTag& rLanguageTag = pFormatter->GetLanguageTag();
+            if (rLanguageTag.getLanguage() == "de")
+            {
+                if (rLanguageTag.getCountry() == "AT")
+                {
+                    // Locale data has Jänner/Jän
+                    assert(pUpperMonthText[0] == u"J\u00C4NNER");
+                    if (StringContainsWord( "JANUAR", rString, nPos))
+                    {
+                        nPos += 6;
+                        res = 1;
+                    }
+                    else if (StringContainsWord( "JAN", rString, nPos))
+                    {
+                        nPos += 3;
+                        res = -1;
+                    }
+                }
+                else
+                {
+                    // Locale data has Januar/Jan
+                    assert(pUpperMonthText[0] == "JANUAR");
+                    if (StringContainsWord( u"J\u00C4NNER"_ustr, rString, nPos))
+                    {
+                        nPos += 6;
+                        res = 1;
+                    }
+                    else if (StringContainsWord( u"J\u00C4N"_ustr, rString, nPos))
+                    {
+                        nPos += 3;
+                        res = -1;
+                    }
+                }
+            }
+        }
+    }
+
+    return res;
+}
+
+
+/**
+ * Converts a string containing a DayOfWeek name (Mon, Monday) at nPos into the
+ * DayOfWeek number + 1 (negative if abbreviated), returns 0 if nothing found
+ */
+int ImpSvNumberInputScan::GetDayOfWeek( const OUString& rString, sal_Int32& nPos )
+{
+    int res = 0; // no day found
+
+    if (rString.getLength() > nPos) // only if needed
+    {
+        if ( !bTextInitialized )
+        {
+            InitText();
+        }
+        sal_Int16 nDays = pFormatter->GetCalendar()->getNumberOfDaysInWeek();
+        for ( sal_Int16 i = 0; i < nDays; i++ )
+        {
+            if ( StringContainsWord( pUpperDayText[i], rString, nPos ) )
+            {   // full names first
+                nPos = nPos + pUpperDayText[i].getLength();
+                res = i + 1;
+                break;  // for
+            }
+            if ( StringContainsWord( pUpperAbbrevDayText[i], rString, nPos ) )
+            {   // abbreviated
+                nPos = nPos + pUpperAbbrevDayText[i].getLength();
+                res = -(i + 1); // negative
+                break;  // for
+            }
+        }
+    }
+
+    return res;
+}
+
+
+/**
+ * Reading a currency symbol
+ * '$'   => true
+ * else => false
+ */
+bool ImpSvNumberInputScan::GetCurrency( const OUString& rString, sal_Int32& nPos )
+{
+    if ( rString.getLength() > nPos )
+    {
+        if ( !aUpperCurrSymbol.getLength() )
+        {   // If no format specified the currency of the currently active locale.
+            LanguageType eLang = (mpFormat ? mpFormat->GetLanguage() :
+                    pFormatter->GetLocaleData()->getLanguageTag().getLanguageType());
+            aUpperCurrSymbol = pFormatter->GetCharClass()->uppercase(
+                SvNumberFormatter::GetCurrencyEntry( eLang ).GetSymbol() );
+        }
+        if ( StringContains( aUpperCurrSymbol, rString, nPos ) )
+        {
+            nPos = nPos + aUpperCurrSymbol.getLength();
+            return true;
+        }
+        if ( mpFormat )
+        {
+            OUString aSymbol, aExtension;
+            if ( mpFormat->GetNewCurrencySymbol( aSymbol, aExtension ) )
+            {
+                if ( aSymbol.getLength() <= rString.getLength() - nPos )
+                {
+                    aSymbol = pFormatter->GetCharClass()->uppercase(aSymbol);
+                    if ( StringContains( aSymbol, rString, nPos ) )
+                    {
+                        nPos = nPos + aSymbol.getLength();
+                        return true;
+                    }
+                }
+            }
+        }
+    }
+
+    return false;
+}
+
+
+/**
+ * Reading the time period specifier (AM/PM) for the 12 hour clock
+ *
+ *  Returns:
+ *   "AM" or "PM" => true
+ *   else         => false
+ *
+ *  nAmPos:
+ *   "AM"  =>  1
+ *   "PM"  => -1
+ *   else =>  0
+*/
+bool ImpSvNumberInputScan::GetTimeAmPm( const OUString& rString, sal_Int32& nPos )
+{
+
+    if ( rString.getLength() > nPos )
+    {
+        const CharClass* pChr = pFormatter->GetCharClass();
+        const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+        if ( StringContains( pChr->uppercase( pLoc->getTimeAM() ), rString, nPos ) )
+        {
+            nAmPm = 1;
+            nPos = nPos + pLoc->getTimeAM().getLength();
+            return true;
+        }
+        else if ( StringContains( pChr->uppercase( pLoc->getTimePM() ), rString, nPos ) )
+        {
+            nAmPm = -1;
+            nPos = nPos + pLoc->getTimePM().getLength();
+            return true;
+        }
+    }
+
+    return false;
+}
+
+
+/**
+ * Read a decimal separator (',')
+ * ','   => true
+ * else => false
+ */
+inline bool ImpSvNumberInputScan::GetDecSep( std::u16string_view rString, sal_Int32& nPos ) const
+{
+    if ( static_cast<sal_Int32>(rString.size()) > nPos )
+    {
+        const OUString& rSep = pFormatter->GetNumDecimalSep();
+        if ( o3tl::starts_with(rString.substr(nPos), rSep) )
+        {
+            nPos = nPos + rSep.getLength();
+            return true;
+        }
+        const OUString& rSepAlt = pFormatter->GetNumDecimalSepAlt();
+        if ( !rSepAlt.isEmpty() && o3tl::starts_with(rString.substr(nPos), rSepAlt) )
+        {
+            nPos = nPos + rSepAlt.getLength();
+            return true;
+        }
+    }
+    return false;
+}
+
+
+/**
+ * Reading a hundredth seconds separator
+ */
+inline bool ImpSvNumberInputScan::GetTime100SecSep( std::u16string_view rString, sal_Int32& nPos ) const
+{
+    if ( static_cast<sal_Int32>(rString.size()) > nPos )
+    {
+        if (bIso8601Tsep)
+        {
+            // ISO 8601 specifies both '.' dot and ',' comma as fractional
+            // separator.
+            if (rString[nPos] == '.' || rString[nPos] == ',')
+            {
+                ++nPos;
+                return true;
+            }
+        }
+        // Even in an otherwise ISO 8601 string be lenient and accept the
+        // locale defined separator.
+        const OUString& rSep = pFormatter->GetLocaleData()->getTime100SecSep();
+        if ( o3tl::starts_with(rString.substr(nPos), rSep))
+        {
+            nPos = nPos + rSep.getLength();
+            return true;
+        }
+    }
+    return false;
+}
+
+
+/**
+ * Read a sign including brackets
+ * '+'   =>  1
+ * '-'   => -1
+ * u'−'   => -1
+ *  '('   => -1, bNegCheck = 1
+ * else =>  0
+ */
+int ImpSvNumberInputScan::GetSign( std::u16string_view rString, sal_Int32& nPos )
+{
+    if (static_cast<sal_Int32>(rString.size()) > nPos)
+        switch (rString[ nPos ])
+        {
+        case '+':
+            nPos++;
+            return 1;
+        case '(': // '(' similar to '-' ?!?
+            bNegCheck = true;
+            [[fallthrough]];
+        case '-':
+        // tdf#117037 - unicode minus (0x2212)
+        case u'−':
+            nPos++;
+            return -1;
+        default:
+            break;
+        }
+
+    return 0;
+}
+
+
+/**
+ * Read a sign with an exponent
+ * '+'   =>  1
+ * '-'   => -1
+ * else =>  0
+ */
+short ImpSvNumberInputScan::GetESign( std::u16string_view rString, sal_Int32& nPos )
+{
+    if (static_cast<sal_Int32>(rString.size()) > nPos)
+    {
+        switch (rString[nPos])
+        {
+        case '+':
+            nPos++;
+            return 1;
+        case '-':
+            nPos++;
+            return -1;
+        default:
+            break;
+        }
+    }
+    return 0;
+}
+
+
+/**
+ * i counts string portions, j counts numbers thereof.
+ * It should had been called SkipNumber instead.
+ */
+inline bool ImpSvNumberInputScan::GetNextNumber( sal_uInt16& i, sal_uInt16& j ) const
+{
+    if ( i < nStringsCnt && IsNum[i] )
+    {
+        j++;
+        i++;
+        return true;
+    }
+    return false;
+}
+
+
+bool ImpSvNumberInputScan::GetTimeRef( double& fOutNumber,
+                                       sal_uInt16 nIndex, // j-value of the first numeric time part of input, default 0
+                                       sal_uInt16 nCnt,   // count of numeric time parts
+                                       SvNumInputOptions eInputOptions
+                                     ) const
+{
+    bool bRet = true;
+    sal_Int32 nHour;
+    sal_Int32 nMinute = 0;
+    sal_Int32 nSecond = 0;
+    double fSecond100 = 0.0;
+    sal_uInt16 nStartIndex = nIndex;
+
+    if (nDecPos == 2 && (nCnt == 3 || nCnt == 2)) // 20:45.5 or 45.5
+    {
+        nHour = 0;
+    }
+    else if (mpFormat && nDecPos == 0 && nCnt == 2 && mpFormat->IsMinuteSecondFormat())
+    {
+        // Input on MM:SS format, instead of doing HH:MM:00
+        nHour = 0;
+    }
+    else if (nIndex - nStartIndex < nCnt)
+    {
+        const OUString& rValStr = sStrArray[nNums[nIndex++]];
+        nHour = rValStr.toInt32();
+        if (nHour == 0 && rValStr != "0" && rValStr != "00")
+            bRet = false;   // overflow -> Text
+    }
+    else
+    {
+        nHour = 0;
+        bRet = false;
+        SAL_WARN( "svl.numbers", "ImpSvNumberInputScan::GetTimeRef: bad number index");
+    }
+
+    // 0:123 or 0:0:123 or 0:123:59 is valid
+    bool bAllowDuration = (nHour == 0 && !nAmPm);
+
+    if (nAmPm && nHour > 12) // not a valid AM/PM clock time
+    {
+        bRet = false;
+    }
+    else if (nAmPm == -1 && nHour != 12) // PM
+    {
+        nHour += 12;
+    }
+    else if (nAmPm == 1 && nHour == 12) // 12 AM
+    {
+        nHour = 0;
+    }
+
+    if (nDecPos == 2 && nCnt == 2) // 45.5
+    {
+        nMinute = 0;
+    }
+    else if (nIndex - nStartIndex < nCnt)
+    {
+        const OUString& rValStr = sStrArray[nNums[nIndex++]];
+        nMinute = rValStr.toInt32();
+        if (nMinute == 0 && rValStr != "0" && rValStr != "00")
+            bRet = false;   // overflow -> Text
+        if (!(eInputOptions & SvNumInputOptions::LAX_TIME) && !bAllowDuration
+                && nIndex > 1 && nMinute > 59)
+            bRet = false;   // 1:60 or 1:123 is invalid, 123:1 or 0:123 is valid
+        if (bAllowDuration)
+            bAllowDuration = (nMinute == 0);
+    }
+    if (nIndex - nStartIndex < nCnt)
+    {
+        const OUString& rValStr = sStrArray[nNums[nIndex++]];
+        nSecond = rValStr.toInt32();
+        if (nSecond == 0 && rValStr != "0" && rValStr != "00")
+            bRet = false;   // overflow -> Text
+        if (!(eInputOptions & SvNumInputOptions::LAX_TIME) && !bAllowDuration
+                && nIndex > 1 && nSecond > 59 && !(nHour == 23 && nMinute == 59 && nSecond == 60))
+            bRet = false;   // 1:60 or 1:123 or 1:1:123 is invalid, 123:1 or 123:1:1 or 0:0:123 is valid, or leap second
+    }
+    if (nIndex - nStartIndex < nCnt)
+    {
+        fSecond100 = StringToDouble( sStrArray[nNums[nIndex]], true );
+    }
+    fOutNumber = (static_cast<double>(nHour)*3600 +
+                  static_cast<double>(nMinute)*60 +
+                  static_cast<double>(nSecond) +
+                  fSecond100)/86400.0;
+    return bRet;
+}
+
+
+sal_uInt16 ImpSvNumberInputScan::ImplGetDay( sal_uInt16 nIndex ) const
+{
+    sal_uInt16 nRes = 0;
+
+    if (sStrArray[nNums[nIndex]].getLength() <= 2)
+    {
+        sal_uInt16 nNum = static_cast<sal_uInt16>(sStrArray[nNums[nIndex]].toInt32());
+        if (nNum <= 31)
+        {
+            nRes = nNum;
+        }
+    }
+
+    return nRes;
+}
+
+
+sal_uInt16 ImpSvNumberInputScan::ImplGetMonth( sal_uInt16 nIndex ) const
+{
+    // Preset invalid month number
+    sal_uInt16 nRes = pFormatter->GetCalendar()->getNumberOfMonthsInYear();
+
+    if (sStrArray[nNums[nIndex]].getLength() <= 2)
+    {
+        sal_uInt16 nNum = static_cast<sal_uInt16>(sStrArray[nNums[nIndex]].toInt32());
+        if ( 0 < nNum && nNum <= nRes )
+        {
+            nRes = nNum - 1; // zero based for CalendarFieldIndex::MONTH
+        }
+    }
+
+    return nRes;
+}
+
+
+/**
+ * 30 -> 1930, 29 -> 2029, or 56 -> 1756, 55 -> 1855, ...
+ */
+sal_uInt16 ImpSvNumberInputScan::ImplGetYear( sal_uInt16 nIndex )
+{
+    sal_uInt16 nYear = 0;
+
+    sal_Int32 nLen = sStrArray[nNums[nIndex]].getLength();
+    // 16-bit integer year width can have 5 digits, allow for one additional
+    // leading zero as convention.
+    if (nLen <= 6)
+    {
+        nYear = static_cast<sal_uInt16>(sStrArray[nNums[nIndex]].toInt32());
+        // A year in another, not Gregorian CE era is never expanded.
+        // A year < 100 entered with at least 3 digits with leading 0 is taken
+        // as is without expansion.
+        if (mbEraCE == kDefaultEra && nYear < 100 && nLen < 3)
+        {
+            nYear = SvNumberFormatter::ExpandTwoDigitYear( nYear, nYear2000 );
+        }
+    }
+
+    return nYear;
+}
+
+
+bool ImpSvNumberInputScan::MayBeIso8601()
+{
+    if (nMayBeIso8601 == 0)
+    {
+        nMayBeIso8601 = 1;
+        sal_Int32 nLen = ((nNumericsCnt >= 1 && nNums[0] < nStringsCnt) ? sStrArray[nNums[0]].getLength() : 0);
+        if (nLen)
+        {
+            sal_Int32 n;
+            if (nNumericsCnt >= 3 && nNums[2] < nStringsCnt &&
+                sStrArray[nNums[0]+1] == "-" && // separator year-month
+                (n = sStrArray[nNums[1]].toInt32()) >= 1 && n <= 12 &&  // month
+                sStrArray[nNums[1]+1] == "-" && // separator month-day
+                (n = sStrArray[nNums[2]].toInt32()) >= 1 && n <= 31)    // day
+            {
+                // Year (nNums[0]) value not checked, may be anything, but
+                // length (number of digits) is checked.
+                nMayBeIso8601 = (nLen >= 4 ? 4 : (nLen == 3 ? 3 : (nLen > 0 ? 2 : 1)));
+            }
+        }
+    }
+    return nMayBeIso8601 > 1;
+}
+
+
+bool ImpSvNumberInputScan::CanForceToIso8601( DateOrder eDateOrder )
+{
+    int nCanForceToIso8601 = 0;
+    if (!MayBeIso8601())
+    {
+        return false;
+    }
+    else if (nMayBeIso8601 >= 3)
+    {
+        return true;    // at least 3 digits in year
+    }
+    else
+    {
+        if (eDateOrder == DateOrder::Invalid)
+        {
+            // As if any of the cases below can be applied, but only if a
+            // locale dependent date pattern was not matched.
+            if ((GetDatePatternNumbers() == nNumericsCnt) && IsDatePatternNumberOfType(0,'Y'))
+                return false;
+            eDateOrder = GetDateOrder();
+        }
+
+        nCanForceToIso8601 = 1;
+    }
+
+    sal_Int32 n;
+    switch (eDateOrder)
+    {
+        case DateOrder::DMY:               // "day" value out of range => ISO 8601 year
+            n = sStrArray[nNums[0]].toInt32();
+            if (n < 1 || n > 31)
+            {
+                nCanForceToIso8601 = 2;
+            }
+        break;
+        case DateOrder::MDY:               // "month" value out of range => ISO 8601 year
+            n = sStrArray[nNums[0]].toInt32();
+            if (n < 1 || n > 12)
+            {
+                nCanForceToIso8601 = 2;
+            }
+        break;
+        case DateOrder::YMD:               // always possible
+            nCanForceToIso8601 = 2;
+        break;
+        default: break;
+    }
+    return nCanForceToIso8601 > 1;
+}
+
+
+bool ImpSvNumberInputScan::IsAcceptableIso8601()
+{
+    if (mpFormat && (mpFormat->GetType() & SvNumFormatType::DATE))
+    {
+        switch (pFormatter->GetEvalDateFormat())
+        {
+            case NF_EVALDATEFORMAT_INTL:
+                return CanForceToIso8601( GetDateOrder());
+            case NF_EVALDATEFORMAT_FORMAT:
+                return CanForceToIso8601( mpFormat->GetDateOrder());
+            default:
+                return CanForceToIso8601( GetDateOrder()) || CanForceToIso8601( mpFormat->GetDateOrder());
+        }
+    }
+    return CanForceToIso8601( GetDateOrder());
+}
+
+
+bool ImpSvNumberInputScan::MayBeMonthDate()
+{
+    if (nMayBeMonthDate == 0)
+    {
+        nMayBeMonthDate = 1;
+        if (nNumericsCnt >= 2 && nNums[1] < nStringsCnt)
+        {
+            // "-Jan-"
+            const OUString& rM = sStrArray[ nNums[ 0 ] + 1 ];
+            if (rM.getLength() >= 3 && rM[0] == '-' && rM[ rM.getLength() - 1] == '-')
+            {
+                // Check year length assuming at least 3 digits (including
+                // leading zero). Two digit years 1..31 are out of luck here
+                // and may be taken as day of month.
+                bool bYear1 = (sStrArray[nNums[0]].getLength() >= 3);
+                bool bYear2 = (sStrArray[nNums[1]].getLength() >= 3);
+                sal_Int32 n;
+                bool bDay1 = !bYear1;
+                if (bDay1)
+                {
+                    n = sStrArray[nNums[0]].toInt32();
+                    bDay1 = n >= 1 && n <= 31;
+                }
+                bool bDay2 = !bYear2;
+                if (bDay2)
+                {
+                    n = sStrArray[nNums[1]].toInt32();
+                    bDay2 = n >= 1 && n <= 31;
+                }
+
+                if (bDay1 && !bDay2)
+                {
+                    nMayBeMonthDate = 2;        // dd-month-yy
+                }
+                else if (!bDay1 && bDay2)
+                {
+                    nMayBeMonthDate = 3;        // yy-month-dd
+                }
+                else if (bDay1 && bDay2)
+                {
+                    // Ambiguous ##-MMM-## date, but some big vendor's database
+                    // reports write this crap, assume this always to be
+                    nMayBeMonthDate = 2;        // dd-month-yy
+                }
+            }
+        }
+    }
+    return nMayBeMonthDate > 1;
+}
+
+
+/** If a string is a separator plus '-' minus sign preceding a 'Y' year in
+    a date pattern at position nPat.
+ */
+static bool lcl_IsSignedYearSep( std::u16string_view rStr, std::u16string_view rPat, sal_Int32 nPat )
+{
+    bool bOk = false;
+    sal_Int32 nLen = rStr.size();
+    if (nLen > 1 && rStr[nLen-1] == '-')
+    {
+        --nLen;
+        if (nPat + nLen < static_cast<sal_Int32>(rPat.size()) && rPat[nPat+nLen] == 'Y')
+        {
+            // Signed year is possible.
+            bOk = (rPat.find( rStr.substr( 0, nLen), nPat) == static_cast<size_t>(nPat));
+        }
+    }
+    return bOk;
+}
+
+
+/** Length of separator usually is 1 but theoretically could be anything. */
+static sal_Int32 lcl_getPatternSeparatorLength( std::u16string_view rPat, sal_Int32 nPat )
+{
+    sal_Int32 nSep = nPat;
+    sal_Unicode c;
+    while (nSep < static_cast<sal_Int32>(rPat.size()) && (c = rPat[nSep]) != 'D' && c != 'M' && c != 'Y')
+        ++nSep;
+    return nSep - nPat;
+}
+
+
+bool ImpSvNumberInputScan::IsAcceptedDatePattern( sal_uInt16 nStartPatternAt )
+{
+    if (nAcceptedDatePattern >= -1)
+    {
+        return (nAcceptedDatePattern >= 0);
+    }
+    if (!nNumericsCnt)
+    {
+        nAcceptedDatePattern = -1;
+    }
+    else if (!sDateAcceptancePatterns.hasElements())
+    {
+        // The current locale is the format's locale, if a format is present.
+        const NfEvalDateFormat eEDF = pFormatter->GetEvalDateFormat();
+        if (!mpFormat || eEDF == NF_EVALDATEFORMAT_FORMAT || mpFormat->GetLanguage() == pFormatter->GetLanguage())
+        {
+            sDateAcceptancePatterns = pFormatter->GetLocaleData()->getDateAcceptancePatterns();
+        }
+        else
+        {
+            OnDemandLocaleDataWrapper& xLocaleData = pFormatter->GetOnDemandLocaleDataWrapper(
+                    SvNumberFormatter::InputScannerPrivateAccess());
+            const LanguageTag aSaveLocale( xLocaleData->getLanguageTag() );
+            assert(mpFormat->GetLanguage() == aSaveLocale.getLanguageType());   // prerequisite
+            // Obtain formatter's locale's (e.g. system) patterns.
+            xLocaleData.changeLocale( LanguageTag( pFormatter->GetLanguage()));
+            const css::uno::Sequence<OUString> aLocalePatterns( xLocaleData->getDateAcceptancePatterns());
+            // Reset to format's locale.
+            xLocaleData.changeLocale( aSaveLocale);
+            // When concatenating don't care about duplicates, combining
+            // weeding those out reallocs yet another time and probably doesn't
+            // take less time than looping over two additional patterns below...
+            switch (eEDF)
+            {
+                case NF_EVALDATEFORMAT_FORMAT:
+                    assert(!"shouldn't reach here");
+                break;
+                case NF_EVALDATEFORMAT_INTL:
+                    sDateAcceptancePatterns = aLocalePatterns;
+                break;
+                case NF_EVALDATEFORMAT_INTL_FORMAT:
+                    sDateAcceptancePatterns = comphelper::concatSequences(
+                            aLocalePatterns,
+                            xLocaleData->getDateAcceptancePatterns());
+                break;
+                case NF_EVALDATEFORMAT_FORMAT_INTL:
+                    sDateAcceptancePatterns = comphelper::concatSequences(
+                            xLocaleData->getDateAcceptancePatterns(),
+                            aLocalePatterns);
+                break;
+            }
+        }
+        SAL_WARN_IF( !sDateAcceptancePatterns.hasElements(), "svl.numbers", "ImpSvNumberInputScan::IsAcceptedDatePattern: no date acceptance patterns");
+        nAcceptedDatePattern = (sDateAcceptancePatterns.hasElements() ? -2 : -1);
+    }
+
+    if (nAcceptedDatePattern == -1)
+    {
+        return false;
+    }
+    nDatePatternStart = nStartPatternAt; // remember start particle
+
+    const sal_Int32 nMonthsInYear = pFormatter->GetCalendar()->getNumberOfMonthsInYear();
+
+    for (sal_Int32 nPattern=0; nPattern < sDateAcceptancePatterns.getLength(); ++nPattern)
+    {
+        const OUString& rPat = sDateAcceptancePatterns[nPattern];
+        if (rPat.getLength() == 3)
+        {
+            // Ignore a pattern that would match numeric input with decimal
+            // separator. It may had been read from configuration or resulted
+            // from the locales' patterns concatenation above.
+            if (    rPat[1] == pFormatter->GetLocaleData()->getNumDecimalSep().toChar()
+                 || rPat[1] == pFormatter->GetLocaleData()->getNumDecimalSepAlt().toChar())
+            {
+                SAL_WARN("svl.numbers", "ignoring date acceptance pattern with decimal separator ambiguity: " << rPat);
+                continue;   // for, next pattern
+            }
+        }
+        sal_uInt16 nNext = nDatePatternStart;
+        nDatePatternNumbers = 0;
+        bool bOk = true;
+        sal_Int32 nPat = 0;
+        for ( ; nPat < rPat.getLength() && bOk && nNext < nStringsCnt; ++nPat, ++nNext)
+        {
+            const sal_Unicode c = rPat[nPat];
+            switch (c)
+            {
+            case 'Y':
+            case 'M':
+            case 'D':
+                bOk = IsNum[nNext];
+                if (bOk && (c == 'M' || c == 'D'))
+                {
+                    // Check the D and M cases for plausibility. This also
+                    // prevents recognition of date instead of number with a
+                    // numeric group input if date separator is identical to
+                    // group separator, for example with D.M as a pattern and
+                    // #.### as a group.
+                    sal_Int32 nMaxLen, nMaxVal;
+                    switch (c)
+                    {
+                        case 'M':
+                            nMaxLen = 2;
+                            nMaxVal = nMonthsInYear;
+                            break;
+                        case 'D':
+                            nMaxLen = 2;
+                            nMaxVal = 31;
+                            break;
+                        default:
+                            // This merely exists against
+                            // -Werror=maybe-uninitialized, which is nonsense
+                            // after the (c == 'M' || c == 'D') check above,
+                            // but ...
+                            nMaxLen = 2;
+                            nMaxVal = 31;
+                    }
+                    bOk = (sStrArray[nNext].getLength() <= nMaxLen);
+                    if (bOk)
+                    {
+                        sal_Int32 nNum = sStrArray[nNext].toInt32();
+                        bOk = (1 <= nNum && nNum <= nMaxVal);
+                    }
+                }
+                if (bOk)
+                    ++nDatePatternNumbers;
+                break;
+            default:
+                bOk = !IsNum[nNext];
+                if (bOk)
+                {
+                    const sal_Int32 nSepLen = lcl_getPatternSeparatorLength( rPat, nPat);
+                    // Non-numeric input must match separator exactly to be
+                    // accepted as such.
+                    const sal_Int32 nLen = sStrArray[nNext].getLength();
+                    bOk = (nLen == nSepLen && rPat.indexOf( sStrArray[nNext], nPat) == nPat);
+                    if (bOk)
+                    {
+                        nPat += nLen - 1;
+                    }
+                    else if ((bOk = lcl_IsSignedYearSep( sStrArray[nNext], rPat, nPat)))
+                    {
+                        nPat += nLen - 2;
+                    }
+                    else if (nPat + nLen > rPat.getLength() && sStrArray[nNext][ nLen - 1 ] == ' ')
+                    {
+                        using namespace comphelper::string;
+                        // Trailing blanks in input.
+                        OUStringBuffer aBuf(sStrArray[nNext]);
+                        aBuf.stripEnd();
+                        // Expand again in case of pattern "M. D. " and
+                        // input "M. D.  ", maybe fetched far, but...
+                        padToLength(aBuf, rPat.getLength() - nPat, ' ');
+                        bOk = (rPat.indexOf( aBuf, nPat) == nPat);
+                        if (bOk)
+                        {
+                            nPat += aBuf.getLength() - 1;
+                        }
+                    }
+                }
+                break;
+            }
+        }
+        if (bOk)
+        {
+            // Check for trailing characters mismatch.
+            if (nNext < nStringsCnt)
+            {
+                // Pattern end but not input end.
+                // A trailing blank may be part of the current pattern input,
+                // if pattern is "D.M." and input is "D.M. hh:mm" last was
+                // ". ", or may be following the current pattern input, if
+                // pattern is "D.M" and input is "D.M hh:mm" last was "M".
+                sal_Int32 nPos = 0;
+                sal_uInt16 nCheck;
+                if (nPat > 0 && nNext > 0)
+                {
+                    // nPat is one behind after the for loop.
+                    sal_Int32 nPatCheck = nPat - 1;
+                    switch (rPat[nPatCheck])
+                    {
+                        case 'Y':
+                        case 'M':
+                        case 'D':
+                            nCheck = nNext;
+                            break;
+                        default:
+                            {
+                                nCheck = nNext - 1;
+                                // Advance position in input to match length of
+                                // non-YMD (separator) characters in pattern.
+                                sal_Unicode c;
+                                do
+                                {
+                                    ++nPos;
+                                    c = rPat[--nPatCheck];
+                                } while (c != 'Y' && c != 'M' && c != 'D' && nPatCheck > 0);
+                            }
+                    }
+                }
+                else
+                {
+                    nCheck = nNext;
+                }
+                if (!IsNum[nCheck])
+                {
+                    // Trailing (or separating if time follows) blanks are ok.
+                    // No blank and a following number is not.
+                    const bool bBlanks = SkipBlanks( sStrArray[nCheck], nPos);
+                    if (nPos == sStrArray[nCheck].getLength() && (bBlanks || !IsNum[nNext]))
+                    {
+                        nAcceptedDatePattern = nPattern;
+                        return true;
+                    }
+                }
+            }
+            else if (nPat == rPat.getLength())
+            {
+                // Input end and pattern end => match.
+                nAcceptedDatePattern = nPattern;
+                return true;
+            }
+            // else Input end but not pattern end, no match.
+        }
+    }
+    nAcceptedDatePattern = -1;
+    return false;
+}
+
+
+bool ImpSvNumberInputScan::SkipDatePatternSeparator( sal_uInt16 nParticle, sal_Int32 & rPos, bool & rSignedYear )
+{
+    // If not initialized yet start with first number, if any.
+    if (!IsAcceptedDatePattern( nNumericsCnt ? nNums[0] : 0 ))
+    {
+        return false;
+    }
+    if (nParticle < nDatePatternStart || nParticle >= nStringsCnt || IsNum[nParticle])
+    {
+        return false;
+    }
+    sal_uInt16 nNext = nDatePatternStart;
+    const OUString& rPat = sDateAcceptancePatterns[nAcceptedDatePattern];
+    for (sal_Int32 nPat = 0; nPat < rPat.getLength() && nNext < nStringsCnt; ++nPat, ++nNext)
+    {
+        switch (rPat[nPat])
+        {
+        case 'Y':
+        case 'M':
+        case 'D':
+            break;
+        default:
+            if (nNext == nParticle)
+            {
+                const sal_Int32 nSepLen = lcl_getPatternSeparatorLength( rPat, nPat);
+                const sal_Int32 nLen = sStrArray[nNext].getLength();
+                bool bOk = (nLen == nSepLen && rPat.indexOf( sStrArray[nNext], nPat) == nPat);
+                if (!bOk)
+                {
+                    bOk = lcl_IsSignedYearSep( sStrArray[nNext], rPat, nPat);
+                    if (bOk)
+                        rSignedYear = true;
+                }
+                if (!bOk && (nPat + nLen > rPat.getLength() && sStrArray[nNext][ nLen - 1 ] == ' '))
+                {
+                    // The same ugly trailing blanks check as in
+                    // IsAcceptedDatePattern().
+                    using namespace comphelper::string;
+                    OUStringBuffer aBuf(sStrArray[nNext]);
+                    aBuf.stripEnd();
+                    padToLength(aBuf, rPat.getLength() - nPat, ' ');
+                    bOk = (rPat.indexOf(aBuf, nPat) == nPat);
+                }
+                if (bOk)
+                {
+                    rPos = nLen; // yes, set, not add!
+                    return true;
+                }
+                else
+                    return false;
+            }
+            nPat += sStrArray[nNext].getLength() - 1;
+            break;
+        }
+    }
+    return false;
+}
+
+
+sal_uInt16 ImpSvNumberInputScan::GetDatePatternNumbers()
+{
+    // If not initialized yet start with first number, if any.
+    if (!IsAcceptedDatePattern( nNumericsCnt ? nNums[0] : 0 ))
+    {
+        return 0;
+    }
+    return nDatePatternNumbers;
+}
+
+
+bool ImpSvNumberInputScan::IsDatePatternNumberOfType( sal_uInt16 nNumber, sal_Unicode cType )
+{
+    if (GetDatePatternNumbers() <= nNumber)
+        return false;
+
+    sal_uInt16 nNum = 0;
+    const OUString& rPat = sDateAcceptancePatterns[nAcceptedDatePattern];
+    for (sal_Int32 nPat = 0; nPat < rPat.getLength(); ++nPat)
+    {
+        switch (rPat[nPat])
+        {
+            case 'Y':
+            case 'M':
+            case 'D':
+                if (nNum == nNumber)
+                    return rPat[nPat] == cType;
+                ++nNum;
+            break;
+        }
+    }
+    return false;
+}
+
+
+sal_uInt32 ImpSvNumberInputScan::GetDatePatternOrder()
+{
+    // If not initialized yet start with first number, if any.
+    if (!IsAcceptedDatePattern( nNumericsCnt ? nNums[0] : 0 ))
+    {
+        return 0;
+    }
+    sal_uInt32 nOrder = 0;
+    const OUString& rPat = sDateAcceptancePatterns[nAcceptedDatePattern];
+    for (sal_Int32 nPat = 0; nPat < rPat.getLength() && !(nOrder & 0xff0000); ++nPat)
+    {
+        switch (rPat[nPat])
+        {
+        case 'Y':
+        case 'M':
+        case 'D':
+            nOrder = (nOrder << 8) | rPat[nPat];
+            break;
+        }
+    }
+    return nOrder;
+}
+
+
+DateOrder ImpSvNumberInputScan::GetDateOrder( bool bFromFormatIfNoPattern )
+{
+    sal_uInt32 nOrder = GetDatePatternOrder();
+    if (!nOrder)
+    {
+        if (bFromFormatIfNoPattern && mpFormat)
+            return mpFormat->GetDateOrder();
+        else
+            return pFormatter->GetLocaleData()->getDateOrder();
+    }
+    switch ((nOrder & 0xff0000) >> 16)
+    {
+    case 'Y':
+        if ((((nOrder & 0xff00) >> 8) == 'M') && ((nOrder & 0xff) == 'D'))
+        {
+            return DateOrder::YMD;
+        }
+        break;
+    case 'M':
+        if ((((nOrder & 0xff00) >> 8) == 'D') && ((nOrder & 0xff) == 'Y'))
+        {
+            return DateOrder::MDY;
+        }
+        break;
+    case 'D':
+        if ((((nOrder & 0xff00) >> 8) == 'M') && ((nOrder & 0xff) == 'Y'))
+        {
+            return DateOrder::DMY;
+        }
+        break;
+    default:
+    case 0:
+        switch ((nOrder & 0xff00) >> 8)
+        {
+        case 'Y':
+            switch (nOrder & 0xff)
+            {
+            case 'M':
+                return DateOrder::YMD;
+            }
+            break;
+        case 'M':
+            switch (nOrder & 0xff)
+            {
+            case 'Y':
+                return DateOrder::DMY;
+            case 'D':
+                return DateOrder::MDY;
+            }
+            break;
+        case 'D':
+            switch (nOrder & 0xff)
+            {
+            case 'Y':
+                return DateOrder::MDY;
+            case 'M':
+                return DateOrder::DMY;
+            }
+            break;
+        default:
+        case 0:
+            switch (nOrder & 0xff)
+            {
+            case 'Y':
+                return DateOrder::YMD;
+            case 'M':
+                return DateOrder::MDY;
+            case 'D':
+                return DateOrder::DMY;
+            }
+            break;
+        }
+    }
+    SAL_WARN( "svl.numbers", "ImpSvNumberInputScan::GetDateOrder: undefined, falling back to locale's default");
+    return pFormatter->GetLocaleData()->getDateOrder();
+}
+
+LongDateOrder ImpSvNumberInputScan::GetMiddleMonthLongDateOrder( bool bFormatTurn,
+                                                                 const LocaleDataWrapper* pLoc,
+                                                                 DateOrder eDateOrder )
+{
+    if (MayBeMonthDate())
+        return (nMayBeMonthDate == 2) ? LongDateOrder::DMY : LongDateOrder::YMD;
+
+    LongDateOrder eLDO;
+    const sal_uInt32 nExactDateOrder = (bFormatTurn ? mpFormat->GetExactDateOrder() : 0);
+    if (!nExactDateOrder)
+        eLDO = pLoc->getLongDateOrder();
+    else if ((((nExactDateOrder >> 16) & 0xff) == 'Y') && ((nExactDateOrder & 0xff) == 'D'))
+        eLDO = LongDateOrder::YMD;
+    else if ((((nExactDateOrder >> 16) & 0xff) == 'D') && ((nExactDateOrder & 0xff) == 'Y'))
+        eLDO = LongDateOrder::DMY;
+    else
+        eLDO = pLoc->getLongDateOrder();
+    if (eLDO != LongDateOrder::YMD && eLDO != LongDateOrder::DMY)
+    {
+        switch (eDateOrder)
+        {
+            case DateOrder::YMD:
+                eLDO = LongDateOrder::YMD;
+            break;
+            case DateOrder::DMY:
+                eLDO = LongDateOrder::DMY;
+            break;
+            default:
+                ;   // nothing, not a date
+        }
+    }
+    else if (eLDO == LongDateOrder::DMY && eDateOrder == DateOrder::YMD)
+    {
+        // Check possible order and maybe switch.
+        if (!ImplGetDay(0) && ImplGetDay(1))
+            eLDO = LongDateOrder::YMD;
+    }
+    else if (eLDO == LongDateOrder::YMD && eDateOrder == DateOrder::DMY)
+    {
+        // Check possible order and maybe switch.
+        if (!ImplGetDay(1) && ImplGetDay(0))
+            eLDO = LongDateOrder::DMY;
+    }
+    return eLDO;
+}
+
+bool ImpSvNumberInputScan::GetDateRef( double& fDays, sal_uInt16& nCounter )
+{
+    using namespace ::com::sun::star::i18n;
+    NfEvalDateFormat eEDF;
+    int nFormatOrder;
+    if ( mpFormat && (mpFormat->GetType() & SvNumFormatType::DATE) )
+    {
+        eEDF = pFormatter->GetEvalDateFormat();
+        switch ( eEDF )
+        {
+        case NF_EVALDATEFORMAT_INTL :
+        case NF_EVALDATEFORMAT_FORMAT :
+            nFormatOrder = 1; // only one loop
+            break;
+        default:
+            nFormatOrder = 2;
+            if ( nMatchedAllStrings )
+            {
+                eEDF = NF_EVALDATEFORMAT_FORMAT_INTL;
+                // we have a complete match, use it
+            }
+        }
+    }
+    else
+    {
+        eEDF = NF_EVALDATEFORMAT_INTL;
+        nFormatOrder = 1;
+    }
+    bool res = true;
+
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+    CalendarWrapper* pCal = pFormatter->GetCalendar();
+    for ( int nTryOrder = 1; nTryOrder <= nFormatOrder; nTryOrder++ )
+    {
+        pCal->setGregorianDateTime( Date( Date::SYSTEM ) ); // today
+        OUString aOrgCalendar; // empty => not changed yet
+        DateOrder DateFmt;
+        bool bFormatTurn;
+        switch ( eEDF )
+        {
+        case NF_EVALDATEFORMAT_INTL :
+            bFormatTurn = false;
+            DateFmt = GetDateOrder();
+            break;
+        case NF_EVALDATEFORMAT_FORMAT :
+            bFormatTurn = true;
+            DateFmt = mpFormat->GetDateOrder();
+            break;
+        case NF_EVALDATEFORMAT_INTL_FORMAT :
+            if ( nTryOrder == 1 )
+            {
+                bFormatTurn = false;
+                DateFmt = GetDateOrder();
+            }
+            else
+            {
+                bFormatTurn = true;
+                DateFmt = mpFormat->GetDateOrder();
+            }
+            break;
+        case NF_EVALDATEFORMAT_FORMAT_INTL :
+            if ( nTryOrder == 2 )
+            {
+                bFormatTurn = false;
+                DateFmt = GetDateOrder();
+            }
+            else
+            {
+                bFormatTurn = true;
+                // Even if the format pattern is to be preferred, the input may
+                // have matched a pattern of the current locale, which then
+                // again is to be preferred. Both date orders can be different
+                // so we need to obtain the actual match. For example ISO
+                // YYYY-MM-DD format vs locale's DD.MM.YY input.
+                // If no pattern was matched, obtain from format.
+                // Note that patterns may have been constructed from the
+                // format's locale and prepended to the current locale's
+                // patterns, it doesn't necessarily mean a current locale's
+                // pattern was matched, but may if the format's locale's
+                // patterns didn't match, which were tried first.
+                DateFmt = GetDateOrder(true);
+            }
+            break;
+        default:
+            SAL_WARN( "svl.numbers", "ImpSvNumberInputScan::GetDateRef: unknown NfEvalDateFormat" );
+            DateFmt = DateOrder::YMD;
+            bFormatTurn = false;
+        }
+        if ( bFormatTurn )
+        {
+/* TODO:
+We are currently not able to fully support a switch to another calendar during
+input for the following reasons:
+1. We do have a problem if both (locale's default and format's) calendars
+   define the same YMD order and use the same date separator, there is no way
+   to distinguish between them if the input results in valid calendar input for
+   both calendars. How to solve? Would NfEvalDateFormat be sufficient? Should
+   it always be set to NF_EVALDATEFORMAT_FORMAT_INTL and thus the format's
+   calendar be preferred? This could be confusing if a Calc cell was formatted
+   different to the locale's default and has no content yet, then the user has
+   no clue about the format or calendar being set.
+2. In Calc cell edit mode a date is always displayed and edited using the
+   default edit format of the default calendar (normally being Gregorian). If
+   input was ambiguous due to issue #1 we'd need a mechanism to tell that a
+   date was edited and not newly entered. Not feasible. Otherwise we'd need a
+   mechanism to use a specific edit format with a specific calendar according
+   to the format set.
+3. For some calendars like Japanese Gengou we'd need era input, which isn't
+   implemented at all. Though this is a rare and special case, forcing a
+   calendar dependent edit format as suggested in item #2 might require era
+   input, if it shouldn't result in a fallback to Gregorian calendar.
+4. Last and least: the GetMonth() method currently only matches month names of
+   the default calendar. Alternating month names of the actual format's
+   calendar would have to be implemented. No problem.
+
+*/
+#ifdef THE_FUTURE
+            if ( mpFormat->IsOtherCalendar( nStringScanNumFor ) )
+            {
+                mpFormat->SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            else
+            {
+                mpFormat->SwitchToSpecifiedCalendar( aOrgCalendar, fOrgDateTime,
+                                                    nStringScanNumFor );
+            }
+#endif
+        }
+
+        res = true;
+        nCounter = 0;
+        // For incomplete dates, always assume first day of month if not specified.
+        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, 1 );
+
+        switch (nNumericsCnt) // count of numbers in string
+        {
+        case 0:                 // none
+            if (nMonthPos)      // only month (Jan)
+            {
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+            }
+            else
+            {
+                res = false;
+            }
+            break;
+
+        case 1:                 // only one number
+            nCounter = 1;
+            switch (nMonthPos)  // where is the month
+            {
+            case 0:             // not found
+            {
+                // If input matched a date pattern, use the pattern
+                // to determine if it is a day, month or year. The
+                // pattern should have only one single value then,
+                // 'D-', 'M-' or 'Y-'. If input did not match a
+                // pattern assume the usual day of current month.
+                sal_uInt32 nDateOrder = (bFormatTurn ?
+                                         mpFormat->GetExactDateOrder() :
+                                         GetDatePatternOrder());
+                switch (nDateOrder)
+                {
+                case 'Y':
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                case 'M':
+                    pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                    break;
+                case 'D':
+                default:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    break;
+                }
+                break;
+            }
+            case 1:             // month at the beginning (Jan 01)
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                switch (DateFmt)
+                {
+                case DateOrder::MDY:
+                case DateOrder::YMD:
+                {
+                    sal_uInt16 nDay = ImplGetDay(0);
+                    sal_uInt16 nYear = ImplGetYear(0);
+                    if (nDay == 0 || nDay > 32)
+                    {
+                        pCal->setValue( CalendarFieldIndex::YEAR, nYear);
+                    }
+                    else
+                    {
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    }
+                    break;
+                }
+                case DateOrder::DMY:
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                default:
+                    res = false;
+                    break;
+                }
+                break;
+            case 3:             // month at the end (10 Jan)
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                switch (DateFmt)
+                {
+                case DateOrder::DMY:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    break;
+                case DateOrder::YMD:
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                default:
+                    res = false;
+                    break;
+                }
+                break;
+            default:
+                res = false;
+                break;
+            }   // switch (nMonthPos)
+            break;
+
+        case 2:                 // 2 numbers
+            nCounter = 2;
+            switch (nMonthPos)  // where is the month
+            {
+            case 0:             // not found
+            {
+                sal_uInt32 nExactDateOrder = (bFormatTurn ?
+                                              mpFormat->GetExactDateOrder() :
+                                              GetDatePatternOrder());
+                bool bIsExact = (0xff < nExactDateOrder && nExactDateOrder <= 0xffff);
+                if (!bIsExact && bFormatTurn && IsAcceptedDatePattern( nNums[0]))
+                {
+                    // If input does not match format but pattern, use pattern
+                    // instead, even if eEDF==NF_EVALDATEFORMAT_FORMAT_INTL.
+                    // For example, format has "Y-M-D" and pattern is "D.M.",
+                    // input with 2 numbers can't match format and 31.12. would
+                    // lead to 1931-12-01 (fdo#54344)
+                    nExactDateOrder = GetDatePatternOrder();
+                    bIsExact = (0xff < nExactDateOrder && nExactDateOrder <= 0xffff);
+                }
+                bool bHadExact;
+                if (bIsExact)
+                {
+                    // formatted as date and exactly 2 parts
+                    bHadExact = true;
+                    switch ( (nExactDateOrder >> 8) & 0xff )
+                    {
+                    case 'Y':
+                        pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                        break;
+                    case 'M':
+                        pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                        break;
+                    case 'D':
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                        break;
+                    default:
+                        bHadExact = false;
+                    }
+                    switch ( nExactDateOrder & 0xff )
+                    {
+                    case 'Y':
+                        pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                        break;
+                    case 'M':
+                        pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(1) );
+                        break;
+                    case 'D':
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                        break;
+                    default:
+                        bHadExact = false;
+                    }
+                    SAL_WARN_IF( !bHadExact, "svl.numbers", "ImpSvNumberInputScan::GetDateRef: error in exact date order");
+                }
+                else
+                {
+                    bHadExact = false;
+                }
+                // If input matched against a date acceptance pattern
+                // do not attempt to mess around with guessing the
+                // order, either it matches or it doesn't.
+                if ((bFormatTurn || !bIsExact) && (!bHadExact || !pCal->isValid()))
+                {
+                    if ( !bHadExact && nExactDateOrder )
+                    {
+                        pCal->setGregorianDateTime( Date( Date::SYSTEM ) ); // reset today
+                    }
+                    switch (DateFmt)
+                    {
+                    case DateOrder::MDY:
+                        // M D
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                        pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                        if ( !pCal->isValid() )             // 2nd try
+                        {                                   // M Y
+                            pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, 1 );
+                            pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                            pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                        }
+                        break;
+                    case DateOrder::DMY:
+                        // D M
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                        pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(1) );
+                        if ( !pCal->isValid() )             // 2nd try
+                        {                                   // M Y
+                            pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, 1 );
+                            pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                            pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                        }
+                        break;
+                    case DateOrder::YMD:
+                        // M D
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                        pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                        if ( !pCal->isValid() )             // 2nd try
+                        {                                   // Y M
+                            pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, 1 );
+                            pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(1) );
+                            pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                        }
+                        break;
+                    default:
+                        res = false;
+                        break;
+                    }
+                }
+            }
+            break;
+            case 1:             // month at the beginning (Jan 01 01)
+            {
+                // The input is valid as MDY in almost any
+                // constellation, there is no date order (M)YD except if
+                // set in a format applied.
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                sal_uInt32 nExactDateOrder = (bFormatTurn ? mpFormat->GetExactDateOrder() : 0);
+                if ((((nExactDateOrder >> 8) & 0xff) == 'Y') && ((nExactDateOrder & 0xff) == 'D'))
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                }
+                else
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                }
+                break;
+            }
+            case 2:             // month in the middle (10 Jan 94)
+            {
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                const LongDateOrder eLDO = GetMiddleMonthLongDateOrder( bFormatTurn, pLoc, DateFmt);
+                switch (eLDO)
+                {
+                case LongDateOrder::DMY:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                    break;
+                case LongDateOrder::YMD:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                default:
+                    res = false;
+                    break;
+                }
+                break;
+            }
+            case 3:             // month at the end (94 10 Jan)
+                if (pLoc->getLongDateOrder() != LongDateOrder::YDM)
+                    res = false;
+                else
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                }
+                break;
+            default:
+                res = false;
+                break;
+            }   // switch (nMonthPos)
+            break;
+
+        default:                // more than two numbers (31.12.94 8:23) (31.12. 8:23)
+            switch (nMonthPos)  // where is the month
+            {
+            case 0:             // not found
+            {
+                nCounter = 3;
+                if ( nTimePos > 1 )
+                {   // find first time number index (should only be 3 or 2 anyway)
+                    for ( sal_uInt16 j = 0; j < nNumericsCnt; j++ )
+                    {
+                        if ( nNums[j] == nTimePos - 2 )
+                        {
+                            nCounter = j;
+                            break; // for
+                        }
+                    }
+                }
+                // ISO 8601 yyyy-mm-dd forced recognition
+                DateOrder eDF = (CanForceToIso8601( DateFmt) ? DateOrder::YMD : DateFmt);
+                switch (eDF)
+                {
+                case DateOrder::MDY:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(0) );
+                    if ( nCounter > 2 )
+                        pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(2) );
+                    break;
+                case DateOrder::DMY:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(1) );
+                    if ( nCounter > 2 )
+                        pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(2) );
+                    break;
+                case DateOrder::YMD:
+                    if ( nCounter > 2 )
+                        pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(2) );
+                    pCal->setValue( CalendarFieldIndex::MONTH, ImplGetMonth(1) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                default:
+                    res = false;
+                    break;
+                }
+                break;
+            }
+            case 1:             // month at the beginning (Jan 01 01 8:23)
+            {
+                nCounter = 2;
+                // The input is valid as MDY in almost any
+                // constellation, there is no date order (M)YD except if
+                // set in a format applied.
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                sal_uInt32 nExactDateOrder = (bFormatTurn ? mpFormat->GetExactDateOrder() : 0);
+                if ((((nExactDateOrder >> 8) & 0xff) == 'Y') && ((nExactDateOrder & 0xff) == 'D'))
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                }
+                else
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                }
+                break;
+            }
+            case 2:             // month in the middle (10 Jan 94 8:23)
+            {
+                nCounter = 2;
+                pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                const LongDateOrder eLDO = GetMiddleMonthLongDateOrder( bFormatTurn, pLoc, DateFmt);
+                switch (eLDO)
+                {
+                case LongDateOrder::DMY:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(0) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(1) );
+                    break;
+                case LongDateOrder::YMD:
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                    break;
+                default:
+                    res = false;
+                    break;
+                }
+                break;
+            }
+            case 3:            // month at the end (94 10 Jan 8:23)
+                nCounter = 2;
+                if (pLoc->getLongDateOrder() != LongDateOrder::YDM)
+                    res = false;
+                else
+                {
+                    pCal->setValue( CalendarFieldIndex::DAY_OF_MONTH, ImplGetDay(1) );
+                    pCal->setValue( CalendarFieldIndex::MONTH, std::abs(nMonth)-1 );
+                    pCal->setValue( CalendarFieldIndex::YEAR, ImplGetYear(0) );
+                }
+                break;
+            default:
+                nCounter = 2;
+                res = false;
+                break;
+            }   // switch (nMonthPos)
+            break;
+        }   // switch (nNumericsCnt)
+
+        if (mbEraCE != kDefaultEra)
+            pCal->setValue( CalendarFieldIndex::ERA, mbEraCE ? 1 : 0);
+
+        if ( res && pCal->isValid() )
+        {
+            double fDiff = DateTime::Sub( DateTime(*moNullDate), pCal->getEpochStart());
+            fDays = ::rtl::math::approxFloor( pCal->getLocalDateTime() );
+            fDays -= fDiff;
+            nTryOrder = nFormatOrder; // break for
+        }
+        else
+        {
+            res = false;
+        }
+        if ( aOrgCalendar.getLength() )
+        {
+            pCal->loadCalendar( aOrgCalendar, pLoc->getLanguageTag().getLocale() ); // restore calendar
+        }
+#if NF_TEST_CALENDAR
+        {
+            using namespace ::com::sun::star;
+            struct entry { const char* lan; const char* cou; const char* cal; };
+            const entry cals[] = {
+                { "en", "US",  "gregorian" },
+                { "ar", "TN",      "hijri" },
+                { "he", "IL",     "jewish" },
+                { "ja", "JP",     "gengou" },
+                { "ko", "KR", "hanja_yoil" },
+                { "th", "TH",   "buddhist" },
+                { "zh", "TW",        "ROC" },
+                {0,0,0}
+            };
+            lang::Locale aLocale;
+            bool bValid;
+            sal_Int16 nDay, nMyMonth, nYear, nHour, nMinute, nSecond;
+            sal_Int16 nDaySet, nMonthSet, nYearSet, nHourSet, nMinuteSet, nSecondSet;
+            sal_Int16 nZO, nDST1, nDST2, nDST, nZOmillis, nDST1millis, nDST2millis, nDSTmillis;
+            sal_Int32 nZoneInMillis, nDST1InMillis, nDST2InMillis;
+            uno::Reference< uno::XComponentContext > xContext =
+                ::comphelper::getProcessComponentContext();
+            uno::Reference< i18n::XCalendar4 > xCal = i18n::LocaleCalendar2::create(xContext);
+            for ( const entry* p = cals; p->lan; ++p )
+            {
+                aLocale.Language = OUString::createFromAscii( p->lan );
+                aLocale.Country  = OUString::createFromAscii( p->cou );
+                xCal->loadCalendar( OUString::createFromAscii( p->cal ),
+                                    aLocale );
+                double nDateTime = 0.0; // 1-Jan-1970 00:00:00
+                nZO           = xCal->getValue( i18n::CalendarFieldIndex::ZONE_OFFSET );
+                nZOmillis     = xCal->getValue( i18n::CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS );
+                nZoneInMillis = static_cast<sal_Int32>(nZO) * 60000 +
+                    (nZO < 0 ? -1 : 1) * static_cast<sal_uInt16>(nZOmillis);
+                nDST1         = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET );
+                nDST1millis   = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS );
+                nDST1InMillis = static_cast<sal_Int32>(nDST1) * 60000 +
+                    (nDST1 < 0 ? -1 : 1) * static_cast<sal_uInt16>(nDST1millis);
+                nDateTime    -= (double)(nZoneInMillis + nDST1InMillis) / 1000.0 / 60.0 / 60.0 / 24.0;
+                xCal->setDateTime( nDateTime );
+                nDST2         = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET );
+                nDST2millis   = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS );
+                nDST2InMillis = static_cast<sal_Int32>(nDST2) * 60000 +
+                    (nDST2 < 0 ? -1 : 1) * static_cast<sal_uInt16>(nDST2millis);
+                if ( nDST1InMillis != nDST2InMillis )
+                {
+                    nDateTime = 0.0 - (double)(nZoneInMillis + nDST2InMillis) / 1000.0 / 60.0 / 60.0 / 24.0;
+                    xCal->setDateTime( nDateTime );
+                }
+                nDaySet    = xCal->getValue( i18n::CalendarFieldIndex::DAY_OF_MONTH );
+                nMonthSet  = xCal->getValue( i18n::CalendarFieldIndex::MONTH );
+                nYearSet   = xCal->getValue( i18n::CalendarFieldIndex::YEAR );
+                nHourSet   = xCal->getValue( i18n::CalendarFieldIndex::HOUR );
+                nMinuteSet = xCal->getValue( i18n::CalendarFieldIndex::MINUTE );
+                nSecondSet = xCal->getValue( i18n::CalendarFieldIndex::SECOND );
+                nZO        = xCal->getValue( i18n::CalendarFieldIndex::ZONE_OFFSET );
+                nZOmillis  = xCal->getValue( i18n::CalendarFieldIndex::ZONE_OFFSET_SECOND_MILLIS );
+                nDST       = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET );
+                nDSTmillis = xCal->getValue( i18n::CalendarFieldIndex::DST_OFFSET_SECOND_MILLIS );
+                xCal->setValue( i18n::CalendarFieldIndex::DAY_OF_MONTH, nDaySet );
+                xCal->setValue( i18n::CalendarFieldIndex::MONTH, nMonthSet );
+                xCal->setValue( i18n::CalendarFieldIndex::YEAR, nYearSet );
+                xCal->setValue( i18n::CalendarFieldIndex::HOUR, nHourSet );
+                xCal->setValue( i18n::CalendarFieldIndex::MINUTE, nMinuteSet );
+                xCal->setValue( i18n::CalendarFieldIndex::SECOND, nSecondSet );
+                bValid  = xCal->isValid();
+                nDay    = xCal->getValue( i18n::CalendarFieldIndex::DAY_OF_MONTH );
+                nMyMonth= xCal->getValue( i18n::CalendarFieldIndex::MONTH );
+                nYear   = xCal->getValue( i18n::CalendarFieldIndex::YEAR );
+                nHour   = xCal->getValue( i18n::CalendarFieldIndex::HOUR );
+                nMinute = xCal->getValue( i18n::CalendarFieldIndex::MINUTE );
+                nSecond = xCal->getValue( i18n::CalendarFieldIndex::SECOND );
+                bValid = bValid && nDay == nDaySet && nMyMonth == nMonthSet && nYear ==
+                    nYearSet && nHour == nHourSet && nMinute == nMinuteSet && nSecond
+                    == nSecondSet;
+            }
+        }
+#endif  // NF_TEST_CALENDAR
+
+    }
+
+    return res;
+}
+
+
+/**
+ * Analyze first string
+ * All gone => true
+ * else     => false
+ */
+bool ImpSvNumberInputScan::ScanStartString( const OUString& rString )
+{
+    sal_Int32 nPos = 0;
+
+    // First of all, eat leading blanks
+    SkipBlanks(rString, nPos);
+
+    // Yes, nMatchedAllStrings should know about the sign position
+    nSign = GetSign(rString, nPos);
+    if ( nSign )           // sign?
+    {
+        SkipBlanks(rString, nPos);
+    }
+    // #102371# match against format string only if start string is not a sign character
+    if ( nMatchedAllStrings && !(nSign && rString.getLength() == 1) )
+    {
+        // Match against format in any case, so later on for a "x1-2-3" input
+        // we may distinguish between a xy-m-d (or similar) date and a x0-0-0
+        // format. No sign detection here!
+        if ( ScanStringNumFor( rString, nPos, 0, true ) )
+        {
+            nMatchedAllStrings |= nMatchedStartString;
+        }
+        else
+        {
+            nMatchedAllStrings = 0;
+        }
+    }
+
+    // Bail out early for just a sign.
+    if (nSign && nPos == rString.getLength())
+        return true;
+
+    const sal_Int32 nStartBlanks = nPos;
+    if ( GetDecSep(rString, nPos) )                 // decimal separator in start string
+    {
+        if (SkipBlanks(rString, nPos))
+            nPos = nStartBlanks;                    // `. 2` not a decimal separator
+        else
+            nDecPos = 1;                            // leading decimal separator
+    }
+    else if ( GetCurrency(rString, nPos) )          // currency (DM 1)?
+    {
+        eScannedType = SvNumFormatType::CURRENCY;       // !!! it IS currency !!!
+        SkipBlanks(rString, nPos);
+        if (nSign == 0)                             // no sign yet
+        {
+            nSign = GetSign(rString, nPos);
+            if ( nSign )   // DM -1
+            {
+                SkipBlanks(rString, nPos);
+            }
+        }
+        if ( GetDecSep(rString, nPos) )             // decimal separator follows currency
+        {
+            if (SkipBlanks(rString, nPos))
+            {
+                nPos = nStartBlanks;                // `DM . 2` not a decimal separator
+                eScannedType = SvNumFormatType::UNDEFINED;  // !!! it is NOT currency !!!
+            }
+            else
+                nDecPos = 1;                        // leading decimal separator
+        }
+    }
+    else
+    {
+        const sal_Int32 nMonthStart = nPos;
+        short nTempMonth = GetMonth(rString, nPos);
+        if (nTempMonth < 0)
+        {
+            // Short month and day names may be identical in some locales, e.g.
+            // "mar" for "martes" or "marzo" in Spanish.
+            // Do not let a month name immediately take precedence if a day
+            // name was meant instead. Assume that both could be valid, until
+            // encountered differently or the final evaluation in
+            // IsNumberFormat() checks, but continue with weighing the month
+            // name higher unless we have both day of week and month name here.
+            sal_Int32 nTempPos = nMonthStart;
+            nDayOfWeek = GetDayOfWeek( rString, nTempPos);
+            if (nDayOfWeek < 0)
+            {
+                SkipChar( '.', rString, nTempPos ); // abbreviated
+                SkipString( pFormatter->GetLocaleData()->getLongDateDayOfWeekSep(), rString, nTempPos );
+                SkipBlanks( rString, nTempPos);
+                short nTempTempMonth = GetMonth( rString, nTempPos);
+                if (nTempTempMonth)
+                {
+                    // Fall into the else branch below that handles both.
+                    nTempMonth = 0;
+                    nPos = nMonthStart;
+                    nDayOfWeek = 0;
+                    // Do not set nDayOfWeek hereafter, anywhere.
+                }
+            }
+        }
+        if ( nTempMonth )    // month (Jan 1)?
+        {
+            // Jan1 without separator is not a date, unless it is followed by a
+            // separator and a (year) number.
+            if (nPos < rString.getLength() || (nStringsCnt >= 4 && nNumericsCnt >= 2))
+            {
+                eScannedType = SvNumFormatType::DATE;   // !!! it IS a date !!!
+                nMonth = nTempMonth;
+                nMonthPos = 1;                      // month at the beginning
+                if ( nMonth < 0 )
+                {
+                    SkipChar( '.', rString, nPos ); // abbreviated
+                }
+                SkipBlanks(rString, nPos);
+            }
+            else
+            {
+                nPos = nMonthStart;                 // rewind month
+            }
+        }
+        else
+        {
+            int nTempDayOfWeek = GetDayOfWeek( rString, nPos );
+            if ( nTempDayOfWeek )
+            {
+                // day of week is just parsed away
+                eScannedType = SvNumFormatType::DATE;       // !!! it IS a date !!!
+                if ( nPos < rString.getLength() )
+                {
+                    if ( nTempDayOfWeek < 0 )
+                    {
+                        // abbreviated
+                        if ( rString[ nPos ] == '.' )
+                        {
+                            ++nPos;
+                        }
+                    }
+                    else
+                    {
+                        // full long name
+                        SkipBlanks(rString, nPos);
+                        SkipString( pFormatter->GetLocaleData()->getLongDateDayOfWeekSep(), rString, nPos );
+                    }
+                    SkipBlanks(rString, nPos);
+                    nTempMonth = GetMonth(rString, nPos);
+                    if ( nTempMonth ) // month (Jan 1)?
+                    {
+                        // Jan1 without separator is not a date, unless it is followed by a
+                        // separator and a (year) number.
+                        if (nPos < rString.getLength() || (nStringsCnt >= 4 && nNumericsCnt >= 2))
+                        {
+                            nMonth = nTempMonth;
+                            nMonthPos = 1; // month at the beginning
+                            if ( nMonth < 0 )
+                            {
+                                SkipChar( '.', rString, nPos ); // abbreviated
+                            }
+                            SkipBlanks(rString, nPos);
+                        }
+                        else
+                        {
+                            nPos = nMonthStart;                 // rewind month
+                        }
+                    }
+                }
+                if (!nMonth)
+                {
+                    // Determine and remember following date pattern, if any.
+                    IsAcceptedDatePattern( 1);
+                }
+            }
+        }
+        // Skip one trailing '-' or '/' character to recognize June-2007
+        if (nMonth && nPos + 1 == rString.getLength())
+        {
+            SkipChar('-', rString, nPos) || SkipChar('/', rString, nPos);
+        }
+    }
+
+    if (nPos < rString.getLength()) // not everything consumed
+    {
+        // Does input StartString equal StartString of format?
+        // This time with sign detection!
+        if ( !ScanStringNumFor( rString, nPos, 0 ) )
+        {
+            return MatchedReturn();
+        }
+    }
+
+    return true;
+}
+
+
+/**
+ * Analyze string in the middle
+ * All gone => true
+ * else     => false
+ */
+bool ImpSvNumberInputScan::ScanMidString( const OUString& rString, sal_uInt16 nStringPos, sal_uInt16 nCurNumCount )
+{
+    sal_Int32 nPos = 0;
+    SvNumFormatType eOldScannedType = eScannedType;
+
+    if ( nMatchedAllStrings )
+    {   // Match against format in any case, so later on for a "1-2-3-4" input
+        // we may distinguish between a y-m-d (or similar) date and a 0-0-0-0
+        // format.
+        if ( ScanStringNumFor( rString, 0, nStringPos ) )
+        {
+            nMatchedAllStrings |= nMatchedMidString;
+        }
+        else
+        {
+            nMatchedAllStrings = 0;
+        }
+    }
+
+    const sal_Int32 nStartBlanks = nPos;
+    const bool bBlanks = SkipBlanks(rString, nPos);
+    if (GetDecSep(rString, nPos))                   // decimal separator?
+    {
+        if (nDecPos == 1 || nDecPos == 3)           // .12.4 or 1.E2.1
+        {
+            return MatchedReturn();
+        }
+        else if (nDecPos == 2)                      // . dup: 12.4.
+        {
+            bool bSignedYear = false;
+            if (bDecSepInDateSeps ||                // . also date separator
+                SkipDatePatternSeparator( nStringPos, nPos, bSignedYear))
+            {
+                if ( eScannedType != SvNumFormatType::UNDEFINED &&
+                     eScannedType != SvNumFormatType::DATE &&
+                     eScannedType != SvNumFormatType::DATETIME)  // already another type
+                {
+                    return MatchedReturn();
+                }
+                if (eScannedType == SvNumFormatType::UNDEFINED)
+                {
+                    eScannedType = SvNumFormatType::DATE; // !!! it IS a date
+                }
+                SkipBlanks(rString, nPos);
+            }
+            else
+            {
+                return MatchedReturn();
+            }
+        }
+        else if (bBlanks)
+        {
+            // `1 .2` or `1 . 2` not a decimal separator, reset
+            nPos = nStartBlanks;
+        }
+        else if (SkipBlanks(rString, nPos))
+        {
+            // `1. 2` not a decimal separator, reset
+            nPos = nStartBlanks;
+        }
+        else
+        {
+            nDecPos = 2;                            // . in mid string
+        }
+    }
+    else if ( (eScannedType & SvNumFormatType::TIME) &&
+              GetTime100SecSep( rString, nPos ) )
+    {                                               // hundredth seconds separator
+        if ( nDecPos )
+        {
+            return MatchedReturn();
+        }
+        nDecPos = 2;                                // . in mid string
+
+        // If this is exactly an ISO 8601 fractional seconds separator, bail
+        // out early to not get confused by later checks for group separator or
+        // other.
+        if (bIso8601Tsep && nPos == rString.getLength() &&
+                eScannedType == SvNumFormatType::DATETIME && (rString == "." || rString == ","))
+            return true;
+
+        SkipBlanks(rString, nPos);
+    }
+
+    if (SkipChar('/', rString, nPos))               // fraction?
+    {
+        if ( eScannedType != SvNumFormatType::UNDEFINED &&  // already another type
+             eScannedType != SvNumFormatType::DATE)         // except date
+        {
+            return MatchedReturn();                         // => jan/31/1994
+        }
+        else if (eScannedType != SvNumFormatType::DATE &&   // analyzed no date until now
+                 (eSetType == SvNumFormatType::FRACTION ||  // and preset was fraction
+                  (nNumericsCnt == 3 &&                     // or 3 numbers
+                   (nStringPos == 3 ||                      // and 4th string particle
+                    (nStringPos == 4 && nSign)) &&          // or 5th if signed
+                   sStrArray[nStringPos-2].indexOf('/') == -1)))  // and not 23/11/1999
+                                                                  // that was not accepted as date yet
+        {
+            SkipBlanks(rString, nPos);
+            if (nPos == rString.getLength())
+            {
+                eScannedType = SvNumFormatType::FRACTION;   // !!! it IS a fraction (so far)
+                if (eSetType == SvNumFormatType::FRACTION &&
+                    nNumericsCnt == 2 &&
+                    (nStringPos == 1 ||                     // for 4/5
+                     (nStringPos == 2 && nSign)))           // or signed -4/5
+                {
+                    return true;                            // don't fall into date trap
+                }
+            }
+        }
+        else
+        {
+            nPos--;                                 // put '/' back
+        }
+    }
+
+    if (GetThousandSep(rString, nPos, nStringPos))  // 1,000
+    {
+        if ( eScannedType != SvNumFormatType::UNDEFINED &&   // already another type
+             eScannedType != SvNumFormatType::CURRENCY)      // except currency
+        {
+            return MatchedReturn();
+        }
+        nThousand++;
+    }
+
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+    bool bSignedYear = false;
+    bool bDate = SkipDatePatternSeparator( nStringPos, nPos, bSignedYear);   // 12/31  31.12.  12/31/1999  31.12.1999
+    if (!bDate)
+    {
+        const OUString& rDate = pFormatter->GetDateSep();
+        SkipBlanks(rString, nPos);
+        bDate = SkipString( rDate, rString, nPos);      // 10.  10-  10/
+    }
+    if (!bDate && nStringPos == 1 && mpFormat && (mpFormat->GetType() & SvNumFormatType::DATE))
+    {
+        // If a DMY format was given and a mid string starts with a literal
+        // ". " dot+space and could contain a following month name and ends
+        // with a space or LongDateMonthSeparator, like it's scanned in
+        // `14". AUG "18`, then it may be a date as well. Regardless whether
+        // defined such by the locale or not.
+        // This *could* check for presence of ". "MMM or ". "MMMM in the actual
+        // format code for further restriction to match only if present, but..
+
+        const sal_uInt32 nExactDateOrder = mpFormat->GetExactDateOrder();
+        // Exactly DMY.
+        if (((nExactDateOrder & 0xff) == 'Y') && (((nExactDateOrder >> 8) & 0xff) == 'M')
+                && (((nExactDateOrder >> 16) & 0xff) == 'D'))
+        {
+            const sal_Int32 nTmpPos = nPos;
+            if (SkipChar('.', rString, nPos) && SkipBlanks(rString, nPos) && nPos + 2 < rString.getLength()
+                    && (rString.endsWith(" ") || rString.endsWith( pLoc->getLongDateMonthSep())))
+                bDate = true;
+            else
+                nPos = nTmpPos;
+        }
+    }
+    if (bDate || ((MayBeIso8601() || MayBeMonthDate()) &&    // 1999-12-31  31-Dec-1999
+                  SkipChar( '-', rString, nPos)))
+    {
+        if ( eScannedType != SvNumFormatType::UNDEFINED &&  // already another type
+             eScannedType != SvNumFormatType::DATE)       // except date
+        {
+            return MatchedReturn();
+        }
+        SkipBlanks(rString, nPos);
+        eScannedType = SvNumFormatType::DATE;           // !!! it IS a date
+        short nTmpMonth = GetMonth(rString, nPos);  // 10. Jan 94
+        if (nMonth && nTmpMonth)                    // month dup
+        {
+            return MatchedReturn();
+        }
+        if (nTmpMonth)
+        {
+            nMonth = nTmpMonth;
+            nMonthPos = 2;                          // month in the middle
+            if ( nMonth < 0 && SkipChar( '.', rString, nPos ) )
+                ;   // short month may be abbreviated Jan.
+            else if ( SkipChar( '-', rString, nPos ) )
+                ;   // #79632# recognize 17-Jan-2001 to be a date
+                    // #99065# short and long month name
+            else
+            {
+                SkipString( pLoc->getLongDateMonthSep(), rString, nPos );
+            }
+            SkipBlanks(rString, nPos);
+        }
+        if (bSignedYear)
+        {
+            if (mbEraCE != kDefaultEra)               // signed year twice?
+                return MatchedReturn();
+
+            mbEraCE = false;  // BCE
+        }
+    }
+
+    const sal_Int32 nMonthStart = nPos;
+    short nTempMonth = GetMonth(rString, nPos);     // month in the middle (10 Jan 94) or at the end (94 10 Jan)
+    if (nTempMonth)
+    {
+        if (nMonth != 0)                            // month dup
+        {
+            return MatchedReturn();
+        }
+        if ( eScannedType != SvNumFormatType::UNDEFINED &&  // already another type
+             eScannedType != SvNumFormatType::DATE)         // except date
+        {
+            return MatchedReturn();
+        }
+        if (nMonthStart > 0 && nPos < rString.getLength())  // 10Jan or Jan94 without separator are not dates
+        {
+            eScannedType = SvNumFormatType::DATE;       // !!! it IS a date
+            nMonth = nTempMonth;
+            if (nCurNumCount <= 1)
+                nMonthPos = 2;                      // month in the middle
+            else
+                nMonthPos = 3;                      // month at the end
+            if ( nMonth < 0 )
+            {
+                SkipChar( '.', rString, nPos );     // abbreviated
+            }
+            SkipString( pLoc->getLongDateMonthSep(), rString, nPos );
+            SkipBlanks(rString, nPos);
+        }
+        else
+        {
+            nPos = nMonthStart;                     // rewind month
+        }
+    }
+
+    if ( SkipChar('E', rString, nPos) ||            // 10E, 10e, 10,Ee
+         SkipChar('e', rString, nPos) )
+    {
+        if (eScannedType != SvNumFormatType::UNDEFINED) // already another type
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::SCIENTIFIC; // !!! it IS scientific
+            if ( nThousand+2 == nNumericsCnt && nDecPos == 2 ) // special case 1.E2
+            {
+                nDecPos = 3;                        // 1,100.E2 1,100,100.E3
+            }
+        }
+        nESign = GetESign(rString, nPos);           // signed exponent?
+        SkipBlanks(rString, nPos);
+    }
+
+    const OUString& rTime = pLoc->getTimeSep();
+    if ( SkipString(rTime, rString, nPos) )         // time separator?
+    {
+        if (nDecPos)                                // already . => maybe error
+        {
+            if (bDecSepInDateSeps)                  // . also date sep
+            {
+                if ( eScannedType != SvNumFormatType::DATE &&    // already another type than date
+                     eScannedType != SvNumFormatType::DATETIME)  // or date time
+                {
+                    return MatchedReturn();
+                }
+                if (eScannedType == SvNumFormatType::DATE)
+                {
+                    nDecPos = 0;                    // reset for time transition
+                }
+            }
+            else
+            {
+                return MatchedReturn();
+            }
+        }
+        if ((eScannedType == SvNumFormatType::DATE ||        // already date type
+             eScannedType == SvNumFormatType::DATETIME) &&   // or date time
+            nNumericsCnt > 3)                                // and more than 3 numbers? (31.Dez.94 8:23)
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::DATETIME;   // !!! it IS date with time
+        }
+        else if ( eScannedType != SvNumFormatType::UNDEFINED &&  // already another type
+                  eScannedType != SvNumFormatType::TIME)         // except time
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::TIME;       // !!! it IS a time
+        }
+        if ( !nTimePos )
+        {
+            nTimePos = nStringPos + 1;
+        }
+    }
+
+    if (nPos < rString.getLength())
+    {
+        switch (eScannedType)
+        {
+        case SvNumFormatType::DATE:
+            if (nMonthPos == 1 && pLoc->getLongDateOrder() == LongDateOrder::MDY)
+            {
+                // #68232# recognize long date separators like ", " in "September 5, 1999"
+                if (SkipString( pLoc->getLongDateDaySep(), rString, nPos ))
+                {
+                    SkipBlanks( rString, nPos );
+                }
+            }
+            else if (nPos == 0 && rString.getLength() == 1 && MayBeIso8601())
+            {
+                if (    (nStringPos == 5 && rString[0] == 'T') ||
+                        (nStringPos == 6 && rString[0] == 'T' && sStrArray[0] == "-"))
+                {
+                    // ISO 8601 combined date and time, yyyy-mm-ddThh:mm or -yyyy-mm-ddThh:mm
+                    ++nPos;
+                    bIso8601Tsep = true;
+                }
+                else if (nStringPos == 7 && rString[0] == ':')
+                {
+                    // ISO 8601 combined date and time, the time part; we reach
+                    // here if the locale's separator is not ':' so it couldn't
+                    // be detected above in the time block.
+                    if (nNumericsCnt >= 5)
+                        eScannedType = SvNumFormatType::DATETIME;
+                    ++nPos;
+                }
+            }
+            break;
+        case SvNumFormatType::DATETIME:
+            if (nPos == 0 && rString.getLength() == 1 && MayBeIso8601())
+            {
+                if (nStringPos == 9 && rString[0] == ':')
+                {
+                    // ISO 8601 combined date and time, the time part continued.
+                    ++nPos;
+                }
+            }
+#if NF_RECOGNIZE_ISO8601_TIMEZONES
+            else if (nPos == 0 && rString.getLength() == 1 && nStringPos >= 9 && MayBeIso8601())
+            {
+                // ISO 8601 timezone offset
+                switch (rString[ 0 ])
+                {
+                case '+':
+                case '-':
+                    if (nStringPos == nStringsCnt - 2 ||
+                        nStringPos == nStringsCnt - 4)
+                    {
+                        ++nPos;     // yyyy-mm-ddThh:mm[:ss]+xx[[:]yy]
+                        // nTimezonePos needed for GetTimeRef()
+                        if (!nTimezonePos)
+                        {
+                            nTimezonePos = nStringPos + 1;
+                        }
+                    }
+                    break;
+                case ':':
+                    if (nTimezonePos && nStringPos >= 11 &&
+                        nStringPos == nStringsCnt - 2)
+                    {
+                        ++nPos;     // yyyy-mm-ddThh:mm[:ss]+xx:yy
+                    }
+                    break;
+                }
+            }
+#endif
+            break;
+        default: break;
+        }
+    }
+
+    if (nPos < rString.getLength()) // not everything consumed?
+    {
+        if ( nMatchedAllStrings & ~nMatchedVirgin )
+        {
+            eScannedType = eOldScannedType;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+
+/**
+ * Analyze the end
+ * All gone => true
+ * else     => false
+ */
+bool ImpSvNumberInputScan::ScanEndString( const OUString& rString )
+{
+    sal_Int32 nPos = 0;
+
+    if ( nMatchedAllStrings )
+    {   // Match against format in any case, so later on for a "1-2-3-4" input
+        // we may distinguish between a y-m-d (or similar) date and a 0-0-0-0
+        // format.
+        if ( ScanStringNumFor( rString, 0, 0xFFFF ) )
+        {
+            nMatchedAllStrings |= nMatchedEndString;
+        }
+        else
+        {
+            nMatchedAllStrings = 0;
+        }
+    }
+
+    const sal_Int32 nStartBlanks = nPos;
+    const bool bBlanks = SkipBlanks(rString, nPos);
+    if (GetDecSep(rString, nPos))                   // decimal separator?
+    {
+        if (nDecPos == 1 || nDecPos == 3)           // .12.4 or 12.E4.
+        {
+            return MatchedReturn();
+        }
+        else if (nDecPos == 2)                      // . dup: 12.4.
+        {
+            bool bSignedYear = false;
+            if (bDecSepInDateSeps ||                // . also date separator
+                SkipDatePatternSeparator( nStringsCnt-1, nPos, bSignedYear))
+            {
+                if ( eScannedType != SvNumFormatType::UNDEFINED &&
+                     eScannedType != SvNumFormatType::DATE &&
+                     eScannedType != SvNumFormatType::DATETIME)  // already another type
+                {
+                    return MatchedReturn();
+                }
+                if (eScannedType == SvNumFormatType::UNDEFINED)
+                {
+                    eScannedType = SvNumFormatType::DATE;   // !!! it IS a date
+                }
+                SkipBlanks(rString, nPos);
+            }
+            else
+            {
+                return MatchedReturn();
+            }
+        }
+        else if (bBlanks)
+        {
+            // not a decimal separator, reset
+            nPos = nStartBlanks;
+        }
+        else
+        {
+            nDecPos = 3;                            // . in end string
+            SkipBlanks(rString, nPos);
+        }
+    }
+
+    bool bSignDetectedHere = false;
+    if ( nSign == 0  &&                             // conflict - not signed
+         eScannedType != SvNumFormatType::DATE)         // and not date
+                                                    //!? catch time too?
+    {                                               // not signed yet
+        nSign = GetSign(rString, nPos);             // 1- DM
+        if (bNegCheck)                              // '(' as sign
+        {
+            return MatchedReturn();
+        }
+        if (nSign)
+        {
+            bSignDetectedHere = true;
+        }
+    }
+
+    SkipBlanks(rString, nPos);
+    if (bNegCheck && SkipChar(')', rString, nPos))  // skip ')' if appropriate
+    {
+        bNegCheck = false;
+        SkipBlanks(rString, nPos);
+    }
+
+    if ( GetCurrency(rString, nPos) )               // currency symbol?
+    {
+        if (eScannedType != SvNumFormatType::UNDEFINED) // currency dup
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::CURRENCY;
+        }                                           // behind currency a '-' is allowed
+        if (nSign == 0)                             // not signed yet
+        {
+            nSign = GetSign(rString, nPos);         // DM -
+            SkipBlanks(rString, nPos);
+            if (bNegCheck)                          // 3 DM (
+            {
+                return MatchedReturn();
+            }
+        }
+        if ( bNegCheck && eScannedType == SvNumFormatType::CURRENCY &&
+             SkipChar(')', rString, nPos) )
+        {
+            bNegCheck = false;                          // ')' skipped
+            SkipBlanks(rString, nPos);              // only if currency
+        }
+    }
+
+    if ( SkipChar('%', rString, nPos) )             // 1%
+    {
+        if (eScannedType != SvNumFormatType::UNDEFINED) // already another type
+        {
+            return MatchedReturn();
+        }
+        SkipBlanks(rString, nPos);
+        eScannedType = SvNumFormatType::PERCENT;
+    }
+
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+    const OUString& rTime = pLoc->getTimeSep();
+    if ( SkipString(rTime, rString, nPos) )         // 10:
+    {
+        if (nDecPos)                                // already , => error
+        {
+            return MatchedReturn();
+        }
+        if (eScannedType == SvNumFormatType::DATE && nNumericsCnt > 2) // 31.Dez.94 8:
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::DATETIME;
+        }
+        else if (eScannedType != SvNumFormatType::UNDEFINED &&
+                 eScannedType != SvNumFormatType::TIME) // already another type
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::TIME;
+        }
+        if ( !nTimePos )
+        {
+            nTimePos = nStringsCnt;
+        }
+    }
+
+    bool bSignedYear = false;
+    bool bDate = SkipDatePatternSeparator( nStringsCnt-1, nPos, bSignedYear);   // 12/31  31.12.  12/31/1999  31.12.1999
+    if (!bDate)
+    {
+        const OUString& rDate = pFormatter->GetDateSep();
+        bDate = SkipString( rDate, rString, nPos);      // 10.  10-  10/
+    }
+    if (bDate && bSignDetectedHere)
+    {
+        nSign = 0;                                  // 'D-' takes precedence over signed date
+    }
+    if (bDate || ((MayBeIso8601() || MayBeMonthDate())
+                  && SkipChar( '-', rString, nPos)))
+    {
+        if (eScannedType != SvNumFormatType::UNDEFINED &&
+            eScannedType != SvNumFormatType::DATE)          // already another type
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            SkipBlanks(rString, nPos);
+            eScannedType = SvNumFormatType::DATE;
+        }
+        short nTmpMonth = GetMonth(rString, nPos);  // 10. Jan
+        if (nMonth && nTmpMonth)                    // month dup
+        {
+            return MatchedReturn();
+        }
+        if (nTmpMonth)
+        {
+            nMonth = nTmpMonth;
+            nMonthPos = 3;                          // month at end
+            if ( nMonth < 0 )
+            {
+                SkipChar( '.', rString, nPos );     // abbreviated
+            }
+            SkipBlanks(rString, nPos);
+        }
+    }
+
+    const sal_Int32 nMonthStart = nPos;
+    short nTempMonth = GetMonth(rString, nPos);     // 10 Jan
+    if (nTempMonth)
+    {
+        if (nMonth)                                 // month dup
+        {
+            return MatchedReturn();
+        }
+        if (eScannedType != SvNumFormatType::UNDEFINED &&
+            eScannedType != SvNumFormatType::DATE)      // already another type
+        {
+            return MatchedReturn();
+        }
+        if (nMonthStart > 0)                        // 10Jan without separator is not a date
+        {
+            eScannedType = SvNumFormatType::DATE;
+            nMonth = nTempMonth;
+            nMonthPos = 3;                          // month at end
+            if ( nMonth < 0 )
+            {
+                SkipChar( '.', rString, nPos );     // abbreviated
+            }
+            SkipBlanks(rString, nPos);
+        }
+        else
+        {
+            nPos = nMonthStart;                     // rewind month
+        }
+    }
+
+    sal_Int32 nOrigPos = nPos;
+    if (GetTimeAmPm(rString, nPos))
+    {
+        if (eScannedType != SvNumFormatType::UNDEFINED &&
+            eScannedType != SvNumFormatType::TIME &&
+            eScannedType != SvNumFormatType::DATETIME)  // already another type
+        {
+            return MatchedReturn();
+        }
+        else
+        {
+            // If not already scanned as time, 6.78am does not result in 6
+            // seconds and 78 hundredths in the morning. Keep as suffix.
+            if (eScannedType != SvNumFormatType::TIME && nDecPos == 2 && nNumericsCnt == 2)
+            {
+                nPos = nOrigPos; // rewind am/pm
+            }
+            else
+            {
+                SkipBlanks(rString, nPos);
+                if ( eScannedType != SvNumFormatType::DATETIME )
+                {
+                    eScannedType = SvNumFormatType::TIME;
+                }
+            }
+        }
+    }
+
+    if ( bNegCheck && SkipChar(')', rString, nPos) )
+    {
+        if (eScannedType == SvNumFormatType::CURRENCY)  // only if currency
+        {
+            bNegCheck = false;                          // skip ')'
+            SkipBlanks(rString, nPos);
+        }
+        else
+        {
+            return MatchedReturn();
+        }
+    }
+
+    if ( nPos < rString.getLength() &&
+         (eScannedType == SvNumFormatType::DATE ||
+          eScannedType == SvNumFormatType::DATETIME) )
+    {
+        // day of week is just parsed away
+        sal_Int32 nOldPos = nPos;
+        const OUString& rSep = pFormatter->GetLocaleData()->getLongDateDayOfWeekSep();
+        if ( StringContains( rSep, rString, nPos ) )
+        {
+            nPos = nPos + rSep.getLength();
+            SkipBlanks(rString, nPos);
+        }
+        int nTempDayOfWeek = GetDayOfWeek( rString, nPos );
+        if ( nTempDayOfWeek )
+        {
+            if ( nPos < rString.getLength() )
+            {
+                if ( nTempDayOfWeek < 0 )
+                {   // short
+                    if ( rString[ nPos ] == '.' )
+                    {
+                        ++nPos;
+                    }
+                }
+                SkipBlanks(rString, nPos);
+            }
+        }
+        else
+        {
+            nPos = nOldPos;
+        }
+    }
+
+#if NF_RECOGNIZE_ISO8601_TIMEZONES
+    if (nPos == 0 && eScannedType == SvNumFormatType::DATETIME &&
+        rString.getLength() == 1 && rString[ 0 ] == 'Z' && MayBeIso8601())
+    {
+        // ISO 8601 timezone UTC yyyy-mm-ddThh:mmZ
+        ++nPos;
+    }
+#endif
+
+    if (nPos < rString.getLength()) // everything consumed?
+    {
+        // does input EndString equal EndString in Format?
+        if ( !ScanStringNumFor( rString, nPos, 0xFFFF ) )
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+
+bool ImpSvNumberInputScan::ScanStringNumFor( const OUString& rString,       // String to scan
+                                             sal_Int32 nPos,                // Position until which was consumed
+                                             sal_uInt16 nString,            // Substring of format, 0xFFFF => last
+                                             bool bDontDetectNegation)      // Suppress sign detection
+{
+    if ( !mpFormat )
+    {
+        return false;
+    }
+    const ::utl::TransliterationWrapper* pTransliteration = pFormatter->GetTransliteration();
+    const OUString* pStr;
+    OUString aString( rString );
+    bool bFound = false;
+    bool bFirst = true;
+    bool bContinue = true;
+    sal_uInt16 nSub;
+    do
+    {
+        // Don't try "lower" subformats ff the very first match was the second
+        // or third subformat.
+        nSub = nStringScanNumFor;
+        do
+        {   // Step through subformats, first positive, then negative, then
+            // other, but not the last (text) subformat.
+            pStr = mpFormat->GetNumForString( nSub, nString, true );
+            if ( pStr && pTransliteration->isEqual( aString, *pStr ) )
+            {
+                bFound = true;
+                bContinue = false;
+            }
+            else if ( nSub < 2 )
+            {
+                ++nSub;
+            }
+            else
+            {
+                bContinue = false;
+            }
+        }
+        while ( bContinue );
+        if ( !bFound && bFirst && nPos )
+        {
+            // try remaining substring
+            bFirst = false;
+            aString = aString.copy(nPos);
+            bContinue = true;
+        }
+    }
+    while ( bContinue );
+
+    if ( !bFound )
+    {
+        if ( !bDontDetectNegation && (nString == 0) &&
+             !bFirst && (nSign < 0) && mpFormat->IsSecondSubformatRealNegative() )
+        {
+            // simply negated twice? --1
+            aString = aString.replaceAll(" ", "");
+            if ( (aString.getLength() == 1) && (aString[0] == '-') )
+            {
+                bFound = true;
+                nStringScanSign = -1;
+                nSub = 0; //! not 1
+            }
+        }
+        if ( !bFound )
+        {
+            return false;
+        }
+    }
+    else if ( !bDontDetectNegation && (nSub == 1) &&
+              mpFormat->IsSecondSubformatRealNegative() )
+    {
+        // negative
+        if ( nStringScanSign < 0 )
+        {
+            if ( (nSign < 0) && (nStringScanNumFor != 1) )
+            {
+                nStringScanSign = 1; // triple negated --1 yyy
+            }
+        }
+        else if ( nStringScanSign == 0 )
+        {
+            if ( nSign < 0 )
+            {   // nSign and nStringScanSign will be combined later,
+                // flip sign if doubly negated
+                if ( (nString == 0) && !bFirst &&
+                     SvNumberformat::HasStringNegativeSign( aString ) )
+                {
+                    nStringScanSign = -1; // direct double negation
+                }
+                else if ( mpFormat->IsNegativeWithoutSign() )
+                {
+                    nStringScanSign = -1; // indirect double negation
+                }
+            }
+            else
+            {
+                nStringScanSign = -1;
+            }
+        }
+        else    // > 0
+        {
+            nStringScanSign = -1;
+        }
+    }
+    nStringScanNumFor = nSub;
+    return true;
+}
+
+
+/**
+ * Recognizes types of number, exponential, fraction, percent, currency, date, time.
+ * Else text => return false
+ */
+bool ImpSvNumberInputScan::IsNumberFormatMain( const OUString& rString,        // string to be analyzed
+                                               const SvNumberformat* pFormat ) // maybe number format set to match against
+{
+    Reset();
+    mpFormat = pFormat;
+    NumberStringDivision( rString );             // breakdown into strings and numbers
+    if (nStringsCnt >= SV_MAX_COUNT_INPUT_STRINGS) // too many elements
+    {
+        return false;                            // Njet, Nope, ...
+    }
+    if (nNumericsCnt == 0)                           // no number in input
+    {
+        if ( nStringsCnt > 0 )
+        {
+            // Here we may change the original, we don't need it anymore.
+            // This saves copies and ToUpper() in GetLogical() and is faster.
+            sStrArray[0] = comphelper::string::strip(sStrArray[0], ' ');
+            OUString& rStrArray = sStrArray[0];
+            nLogical = GetLogical( rStrArray );
+            if ( nLogical )
+            {
+                eScannedType = SvNumFormatType::LOGICAL; // !!! it's a BOOLEAN
+                nMatchedAllStrings &= ~nMatchedVirgin;
+                return true;
+            }
+            else
+            {
+                return false;                   // simple text
+            }
+        }
+        else
+        {
+            return false;                       // simple text
+        }
+    }
+
+    sal_uInt16 i = 0;                           // mark any symbol
+    sal_uInt16 j = 0;                           // mark only numbers
+
+    switch ( nNumericsCnt )
+    {
+    case 1 :                                // Exactly 1 number in input
+        // nStringsCnt >= 1
+        if (GetNextNumber(i,j)) // i=1,0
+        {   // Number at start
+            if (eSetType == SvNumFormatType::FRACTION)  // Fraction 1 = 1/1
+            {
+                if (i >= nStringsCnt || // no end string nor decimal separator
+                    pFormatter->IsDecimalSep( sStrArray[i]))
+                {
+                    eScannedType = SvNumFormatType::FRACTION;
+                    nMatchedAllStrings &= ~nMatchedVirgin;
+                    return true;
+                }
+            }
+        }
+        else
+        {                                   // Analyze start string
+            if (!ScanStartString( sStrArray[i] ))  // i=0
+            {
+                return false;               // already an error
+            }
+            i++;                            // next symbol, i=1
+        }
+        GetNextNumber(i,j);                 // i=1,2
+        if (eSetType == SvNumFormatType::FRACTION)  // Fraction -1 = -1/1
+        {
+            if (nSign && !bNegCheck &&      // Sign +, -
+                eScannedType == SvNumFormatType::UNDEFINED &&   // not date or currency
+                nDecPos == 0 &&             // no previous decimal separator
+                (i >= nStringsCnt ||        // no end string nor decimal separator
+                 pFormatter->IsDecimalSep( sStrArray[i]))
+                )
+            {
+                eScannedType = SvNumFormatType::FRACTION;
+                nMatchedAllStrings &= ~nMatchedVirgin;
+                return true;
+            }
+        }
+        if (i < nStringsCnt && !ScanEndString( sStrArray[i] ))
+        {
+            return false;
+        }
+        break;
+    case 2 :                                // Exactly 2 numbers in input
+                                            // nStringsCnt >= 3
+        if (!GetNextNumber(i,j))            // i=1,0
+        {                                   // Analyze start string
+            if (!ScanStartString( sStrArray[i] ))
+                return false;               // already an error
+            i++;                            // i=1
+        }
+        GetNextNumber(i,j);                 // i=1,2
+        if ( !ScanMidString( sStrArray[i], i, j ) )
+        {
+            return false;
+        }
+        i++;                                // next symbol, i=2,3
+        GetNextNumber(i,j);                 // i=3,4
+        if (i < nStringsCnt && !ScanEndString( sStrArray[i] ))
+        {
+            return false;
+        }
+        if (eSetType == SvNumFormatType::FRACTION)  // -1,200. as fraction
+        {
+            if (!bNegCheck  &&                  // no sign '('
+                eScannedType == SvNumFormatType::UNDEFINED &&
+                (nDecPos == 0 || nDecPos == 3)  // no decimal separator or at end
+                )
+            {
+                eScannedType = SvNumFormatType::FRACTION;
+                nMatchedAllStrings &= ~nMatchedVirgin;
+                return true;
+            }
+        }
+        break;
+    case 3 :                                // Exactly 3 numbers in input
+                                            // nStringsCnt >= 5
+        if (!GetNextNumber(i,j))            // i=1,0
+        {                                   // Analyze start string
+            if (!ScanStartString( sStrArray[i] ))
+            {
+                return false;               // already an error
+            }
+            i++;                            // i=1
+            if (nDecPos == 1)               // decimal separator at start => error
+            {
+                return false;
+            }
+        }
+        GetNextNumber(i,j);                 // i=1,2
+        if ( !ScanMidString( sStrArray[i], i, j ) )
+        {
+            return false;
+        }
+        i++;                                // i=2,3
+        if (eScannedType == SvNumFormatType::SCIENTIFIC)    // E only at end
+        {
+            return false;
+        }
+        GetNextNumber(i,j);                 // i=3,4
+        if ( !ScanMidString( sStrArray[i], i, j ) )
+        {
+            return false;
+        }
+        i++;                                // i=4,5
+        GetNextNumber(i,j);                 // i=5,6
+        if (i < nStringsCnt && !ScanEndString( sStrArray[i] ))
+        {
+            return false;
+        }
+        if (eSetType == SvNumFormatType::FRACTION)  // -1,200,100. as fraction
+        {
+            if (!bNegCheck  &&                  // no sign '('
+                eScannedType == SvNumFormatType::UNDEFINED &&
+                (nDecPos == 0 || nDecPos == 3)  // no decimal separator or at end
+                )
+            {
+                eScannedType = SvNumFormatType::FRACTION;
+                nMatchedAllStrings &= ~nMatchedVirgin;
+                return true;
+            }
+        }
+        if ( eScannedType == SvNumFormatType::FRACTION && nDecPos )
+        {
+            return false;                   // #36857# not a real fraction
+        }
+        break;
+    default:                                // More than 3 numbers in input
+                                            // nStringsCnt >= 7
+        if (!GetNextNumber(i,j))            // i=1,0
+        {                                   // Analyze startstring
+            if (!ScanStartString( sStrArray[i] ))
+                return false;               // already an error
+            i++;                            // i=1
+            if (nDecPos == 1)               // decimal separator at start => error
+                return false;
+        }
+        GetNextNumber(i,j);                 // i=1,2
+        if ( !ScanMidString( sStrArray[i], i, j ) )
+        {
+            return false;
+        }
+        i++;                                // i=2,3
+        {
+            sal_uInt16 nThOld = 10;                 // just not 0 or 1
+            while (nThOld != nThousand && j < nNumericsCnt-1) // Execute at least one time
+                                                          // but leave one number.
+            {                                             // Loop over group separators
+                nThOld = nThousand;
+                if (eScannedType == SvNumFormatType::SCIENTIFIC)    // E only at end
+                {
+                    return false;
+                }
+                GetNextNumber(i,j);
+                if ( i < nStringsCnt && !ScanMidString( sStrArray[i], i, j ) )
+                {
+                    return false;
+                }
+                i++;
+            }
+        }
+        if (eScannedType == SvNumFormatType::DATE ||    // long date or
+            eScannedType == SvNumFormatType::TIME ||    // long time or
+            eScannedType == SvNumFormatType::UNDEFINED) // long number
+        {
+            for (sal_uInt16 k = j; k < nNumericsCnt-1; k++)
+            {
+                if (eScannedType == SvNumFormatType::SCIENTIFIC)    // E only at endd
+                {
+                    return false;
+                }
+                GetNextNumber(i,j);
+                if ( i < nStringsCnt && !ScanMidString( sStrArray[i], i, j ) )
+                {
+                    return false;
+                }
+                i++;
+            }
+        }
+        GetNextNumber(i,j);
+        if (i < nStringsCnt && !ScanEndString( sStrArray[i] ))
+        {
+            return false;
+        }
+        if (eSetType == SvNumFormatType::FRACTION)  // -1,200,100. as fraction
+        {
+            if (!bNegCheck  &&                  // no sign '('
+                eScannedType == SvNumFormatType::UNDEFINED &&
+                (nDecPos == 0 || nDecPos == 3)  // no decimal separator or at end
+                )
+            {
+                eScannedType = SvNumFormatType::FRACTION;
+                nMatchedAllStrings &= ~nMatchedVirgin;
+                return true;
+            }
+        }
+        if ( eScannedType == SvNumFormatType::FRACTION && nDecPos )
+        {
+            return false;                       // #36857# not a real fraction
+        }
+        break;
+    }
+
+    if (eScannedType == SvNumFormatType::UNDEFINED)
+    {
+        nMatchedAllStrings &= ~nMatchedVirgin;
+        // did match including nMatchedUsedAsReturn
+        bool bDidMatch = (nMatchedAllStrings != 0);
+        if ( nMatchedAllStrings )
+        {
+            bool bMatch = mpFormat && mpFormat->IsNumForStringElementCountEqual(
+                               nStringScanNumFor, nStringsCnt, nNumericsCnt );
+            if ( !bMatch )
+            {
+                nMatchedAllStrings = 0;
+            }
+        }
+        if ( nMatchedAllStrings )
+        {
+            // A type DEFINED means that no category could be assigned to the
+            // overall format because of mixed type subformats. Use the scan
+            // matched subformat's type if any.
+            SvNumFormatType eForType = eSetType;
+            if ((eForType == SvNumFormatType::UNDEFINED || eForType == SvNumFormatType::DEFINED) && mpFormat)
+                eForType = mpFormat->GetNumForInfoScannedType( nStringScanNumFor);
+            if (eForType != SvNumFormatType::UNDEFINED && eForType != SvNumFormatType::DEFINED)
+                eScannedType = eForType;
+            else
+                eScannedType = SvNumFormatType::NUMBER;
+        }
+        else if ( bDidMatch )
+        {
+            // Accept a plain fractional number like 123.45 as there may be a
+            // decimal separator also present as literal like in a 0"."0 weirdo
+            // format.
+            if (nDecPos != 2 || nNumericsCnt != 2)
+                return false;
+            eScannedType = SvNumFormatType::NUMBER;
+        }
+        else
+        {
+            eScannedType = SvNumFormatType::NUMBER;
+            // everything else should have been recognized by now
+        }
+    }
+    else if ( eScannedType == SvNumFormatType::DATE )
+    {
+        // the very relaxed date input checks may interfere with a preset format
+        nMatchedAllStrings &= ~nMatchedVirgin;
+        bool bWasReturn = ((nMatchedAllStrings & nMatchedUsedAsReturn) != 0);
+        if ( nMatchedAllStrings )
+        {
+            bool bMatch = mpFormat && mpFormat->IsNumForStringElementCountEqual(
+                               nStringScanNumFor, nStringsCnt, nNumericsCnt );
+            if ( !bMatch )
+            {
+                nMatchedAllStrings = 0;
+            }
+        }
+        if ( nMatchedAllStrings )
+        {
+            // A type DEFINED means that no category could be assigned to the
+            // overall format because of mixed type subformats. Do not override
+            // the scanned type in this case. Otherwise in IsNumberFormat() the
+            // first numeric particle would be accepted as number.
+            SvNumFormatType eForType = eSetType;
+            if ((eForType == SvNumFormatType::UNDEFINED || eForType == SvNumFormatType::DEFINED) && mpFormat)
+                eForType = mpFormat->GetNumForInfoScannedType( nStringScanNumFor);
+            if (eForType != SvNumFormatType::UNDEFINED && eForType != SvNumFormatType::DEFINED)
+                eScannedType = eForType;
+        }
+        else if ( bWasReturn )
+        {
+            return false;
+        }
+    }
+    else
+    {
+        nMatchedAllStrings = 0; // reset flag to no substrings matched
+    }
+    return true;
+}
+
+
+/**
+ * Return true or false depending on the nMatched... state and remember usage
+ */
+bool ImpSvNumberInputScan::MatchedReturn()
+{
+    if ( nMatchedAllStrings & ~nMatchedVirgin )
+    {
+        nMatchedAllStrings |= nMatchedUsedAsReturn;
+        return true;
+    }
+    return false;
+}
+
+
+/**
+ * Initialize uppercase months and weekdays
+ */
+void ImpSvNumberInputScan::InitText()
+{
+    sal_Int32 j, nElems;
+    const CharClass* pChrCls = pFormatter->GetCharClass();
+    const CalendarWrapper* pCal = pFormatter->GetCalendar();
+
+    pUpperMonthText.reset();
+    pUpperAbbrevMonthText.reset();
+    css::uno::Sequence< css::i18n::CalendarItem2 > xElems = pCal->getMonths();
+    nElems = xElems.getLength();
+    pUpperMonthText.reset( new OUString[nElems] );
+    pUpperAbbrevMonthText.reset( new OUString[nElems] );
+    for ( j = 0; j < nElems; j++ )
+    {
+        pUpperMonthText[j] = pChrCls->uppercase( xElems[j].FullName );
+        pUpperAbbrevMonthText[j] = pChrCls->uppercase( xElems[j].AbbrevName );
+    }
+
+    pUpperGenitiveMonthText.reset();
+    pUpperGenitiveAbbrevMonthText.reset();
+    xElems = pCal->getGenitiveMonths();
+    bScanGenitiveMonths = (nElems != xElems.getLength());
+    nElems = xElems.getLength();
+    pUpperGenitiveMonthText.reset( new OUString[nElems] );
+    pUpperGenitiveAbbrevMonthText.reset( new OUString[nElems] );
+    for ( j = 0; j < nElems; j++ )
+    {
+        pUpperGenitiveMonthText[j] = pChrCls->uppercase( xElems[j].FullName );
+        pUpperGenitiveAbbrevMonthText[j] = pChrCls->uppercase( xElems[j].AbbrevName );
+        if (!bScanGenitiveMonths &&
+            (pUpperGenitiveMonthText[j] != pUpperMonthText[j] ||
+             pUpperGenitiveAbbrevMonthText[j] != pUpperAbbrevMonthText[j]))
+        {
+            bScanGenitiveMonths = true;
+        }
+    }
+
+    pUpperPartitiveMonthText.reset();
+    pUpperPartitiveAbbrevMonthText.reset();
+    xElems = pCal->getPartitiveMonths();
+    bScanPartitiveMonths = (nElems != xElems.getLength());
+    nElems = xElems.getLength();
+    pUpperPartitiveMonthText.reset( new OUString[nElems] );
+    pUpperPartitiveAbbrevMonthText.reset( new OUString[nElems] );
+    for ( j = 0; j < nElems; j++ )
+    {
+        pUpperPartitiveMonthText[j] = pChrCls->uppercase( xElems[j].FullName );
+        pUpperPartitiveAbbrevMonthText[j] = pChrCls->uppercase( xElems[j].AbbrevName );
+        if (!bScanPartitiveMonths &&
+            (pUpperPartitiveMonthText[j] != pUpperGenitiveMonthText[j] ||
+             pUpperPartitiveAbbrevMonthText[j] != pUpperGenitiveAbbrevMonthText[j]))
+        {
+            bScanPartitiveMonths = true;
+        }
+    }
+
+    pUpperDayText.reset();
+    pUpperAbbrevDayText.reset();
+    xElems = pCal->getDays();
+    nElems = xElems.getLength();
+    pUpperDayText.reset( new OUString[nElems] );
+    pUpperAbbrevDayText.reset( new OUString[nElems] );
+    for ( j = 0; j < nElems; j++ )
+    {
+        pUpperDayText[j] = pChrCls->uppercase( xElems[j].FullName );
+        pUpperAbbrevDayText[j] = pChrCls->uppercase( xElems[j].AbbrevName );
+    }
+
+    bTextInitialized = true;
+}
+
+
+/**
+ * MUST be called if International/Locale is changed
+ */
+void ImpSvNumberInputScan::ChangeIntl()
+{
+    sal_Unicode cDecSep = pFormatter->GetNumDecimalSep()[0];
+    bDecSepInDateSeps = ( cDecSep == '-' ||
+                          cDecSep == pFormatter->GetDateSep()[0] );
+    if (!bDecSepInDateSeps)
+    {
+        sal_Unicode cDecSepAlt = pFormatter->GetNumDecimalSepAlt().toChar();
+        bDecSepInDateSeps = cDecSepAlt && (cDecSepAlt == '-' || cDecSepAlt == pFormatter->GetDateSep()[0]);
+    }
+    bTextInitialized = false;
+    aUpperCurrSymbol.clear();
+    InvalidateDateAcceptancePatterns();
+}
+
+
+void ImpSvNumberInputScan::InvalidateDateAcceptancePatterns()
+{
+    if (sDateAcceptancePatterns.hasElements())
+    {
+        sDateAcceptancePatterns = css::uno::Sequence< OUString >();
+    }
+}
+
+
+void ImpSvNumberInputScan::ChangeNullDate( const sal_uInt16 Day,
+                                           const sal_uInt16 Month,
+                                           const sal_Int16 Year )
+{
+    moNullDate = Date(Day, Month, Year);
+}
+
+
+/**
+ * Does rString represent a number (also date, time et al)
+ */
+bool ImpSvNumberInputScan::IsNumberFormat( const OUString& rString,         // string to be analyzed
+                                           SvNumFormatType& F_Type,         // IN: old type, OUT: new type
+                                           double& fOutNumber,              // OUT: number if convertible
+                                           const SvNumberformat* pFormat,   // maybe a number format to match against
+                                           SvNumInputOptions eInputOptions )
+{
+    bool res; // return value
+    sal_uInt16 k;
+    eSetType = F_Type; // old type set
+
+    if ( !rString.getLength() )
+    {
+        res = false;
+    }
+    else if (rString.getLength() > 308) // arbitrary
+    {
+        res = false;
+    }
+    else
+    {
+        // NoMoreUpperNeeded, all comparisons on UpperCase
+        OUString aString = pFormatter->GetCharClass()->uppercase( rString );
+        // convert native number to ASCII if necessary
+        TransformInput(pFormatter, aString);
+        res = IsNumberFormatMain( aString, pFormat );
+    }
+
+    if (res)
+    {
+        // Accept signed date only for ISO date with at least four digits in
+        // year to not have an input of -M-D-Y arbitrarily recognized. The
+        // final order is only determined in GetDateRef().
+        // Also accept for Y/M/D date pattern match, i.e. if the first number
+        // is year.
+        // Accept only if the year immediately follows the sign character with
+        // no space in between.
+        if (nSign && (eScannedType == SvNumFormatType::DATE ||
+                      eScannedType == SvNumFormatType::DATETIME) && mbEraCE == kDefaultEra &&
+                (IsDatePatternNumberOfType(0,'Y') || (MayBeIso8601() && sStrArray[nNums[0]].getLength() >= 4)))
+        {
+            const sal_Unicode c = sStrArray[0][sStrArray[0].getLength()-1];
+            if (c == '-' || c == '+')
+            {
+                // A '+' sign doesn't change the era.
+                if (nSign < 0)
+                    mbEraCE = false;  // BCE
+                nSign = 0;
+            }
+        }
+        if ( bNegCheck ||                             // ')' not found for '('
+             (nSign && (eScannedType == SvNumFormatType::DATE ||
+                        eScannedType == SvNumFormatType::DATETIME))) // signed date/datetime
+        {
+            res = false;
+        }
+        else
+        {                                           // check count of partial number strings
+            switch (eScannedType)
+            {
+            case SvNumFormatType::PERCENT:
+            case SvNumFormatType::CURRENCY:
+            case SvNumFormatType::NUMBER:
+                if (nDecPos == 1)               // .05
+                {
+                    // Matched MidStrings function like group separators, but
+                    // there can't be an integer part numeric input, so
+                    // effectively 0 thousands groups.
+                    if ( nMatchedAllStrings )
+                    {
+                        nThousand = 0;
+                    }
+                    else if ( nNumericsCnt != 1 )
+                    {
+                        res = false;
+                    }
+                }
+                else if (nDecPos == 2)          // 1.05
+                {
+                    // Matched MidStrings function like group separators, but
+                    // let a decimal separator override a literal separator
+                    // string; like 0"." with input 123.45
+                    if ( nMatchedAllStrings )
+                    {
+                        if (nNumericsCnt == 2)
+                            nThousand = 0;
+                        else
+                        {
+                            // Assume that if there was a decimal separator
+                            // matching also a literal string then it was the
+                            // last. We could find the last possible match to
+                            // support literals in fractions, but really..
+                            nThousand = nNumericsCnt - 1;
+                        }
+                    }
+                    else if ( nNumericsCnt != nThousand+2 )
+                    {
+                        res = false;
+                    }
+                }
+                else                            // 1,100 or 1,100.
+                {
+                    // matched MidStrings function like group separators
+                    if ( nMatchedAllStrings )
+                    {
+                        nThousand = nNumericsCnt - 1;
+                    }
+                    else if ( nNumericsCnt != nThousand+1 )
+                    {
+                        res = false;
+                    }
+                }
+                break;
+
+            case SvNumFormatType::SCIENTIFIC:       // 1.0e-2
+                if (nDecPos == 1)               // .05
+                {
+                    if (nNumericsCnt != 2)
+                    {
+                        res = false;
+                    }
+                }
+                else if (nDecPos == 2)          // 1.05
+                {
+                    if (nNumericsCnt != nThousand+3)
+                    {
+                        res = false;
+                    }
+                }
+                else                            // 1,100 or 1,100.
+                {
+                    if (nNumericsCnt != nThousand+2)
+                    {
+                        res = false;
+                    }
+                }
+                break;
+
+            case SvNumFormatType::DATE:
+                if (nMonth < 0 && nDayOfWeek < 0 && nNumericsCnt == 3)
+                {
+                    // If both, short month name and day of week name were
+                    // detected, and also numbers for full date, assume that we
+                    // have a day of week instead of month name.
+                    nMonth = 0;
+                    nMonthPos = 0;
+                }
+                if (nMonth)
+                {                               // month name and numbers
+                    if (nNumericsCnt > 2)
+                    {
+                        res = false;
+                    }
+                }
+                else
+                {
+                    if (nNumericsCnt > 3)
+                    {
+                        res = false;
+                    }
+                    else
+                    {
+                        // Even if a date pattern was matched, for abbreviated
+                        // pattern like "D.M." an input of "D.M. #" was
+                        // accepted because # could had been a time. Here we do
+                        // not have a combined date/time input though and #
+                        // would be taken as Year in this example, which it is
+                        // not. The count of numbers in pattern must match the
+                        // count of numbers in input.
+                        res = (GetDatePatternNumbers() == nNumericsCnt)
+                            || IsAcceptableIso8601() || nMatchedAllStrings;
+                    }
+                }
+                break;
+
+            case SvNumFormatType::TIME:
+                if (nDecPos)
+                {                               // hundredth seconds included
+                    if (nNumericsCnt > 4)
+                    {
+                        res = false;
+                    }
+                }
+                else
+                {
+                    if (nNumericsCnt > 3)
+                    {
+                        res = false;
+                    }
+                }
+                break;
+
+            case SvNumFormatType::DATETIME:
+                if (nMonth < 0 && nDayOfWeek < 0 && nNumericsCnt >= 5)
+                {
+                    // If both, abbreviated month name and day of week name
+                    // were detected, and also at least numbers for full date
+                    // plus time including minutes, assume that we have a day
+                    // of week instead of month name.
+                    nMonth = 0;
+                    nMonthPos = 0;
+                }
+                if (nMonth)
+                {                               // month name and numbers
+                    if (nDecPos)
+                    {                           // hundredth seconds included
+                        if (nNumericsCnt > 6)
+                        {
+                            res = false;
+                        }
+                    }
+                    else
+                    {
+                        if (nNumericsCnt > 5)
+                        {
+                            res = false;
+                        }
+                    }
+                }
+                else
+                {
+                    if (nDecPos)
+                    {                           // hundredth seconds included
+                        if (nNumericsCnt > 7)
+                        {
+                            res = false;
+                        }
+                    }
+                    else
+                    {
+                        if (nNumericsCnt > 6)
+                        {
+                            res = false;
+                        }
+                    }
+                    if (res)
+                    {
+                        res = IsAcceptedDatePattern( nNums[0]) || MayBeIso8601() || nMatchedAllStrings;
+                    }
+                }
+                break;
+
+            default:
+                break;
+            }   // switch
+        }   // else
+    }   // if (res)
+
+    OUStringBuffer sResString;
+
+    if (res)
+    {                                       // we finally have a number
+        switch (eScannedType)
+        {
+        case SvNumFormatType::LOGICAL:
+            if (nLogical ==  1)
+            {
+                fOutNumber = 1.0;           // True
+            }
+            else if (nLogical == -1)
+            {
+                fOutNumber = 0.0;           // False
+            }
+            else
+            {
+                res = false;                // Oops
+            }
+            break;
+
+        case SvNumFormatType::PERCENT:
+        case SvNumFormatType::CURRENCY:
+        case SvNumFormatType::NUMBER:
+        case SvNumFormatType::SCIENTIFIC:
+        case SvNumFormatType::DEFINED:          // if no category detected handle as number
+            if ( nDecPos == 1 )             // . at start
+            {
+                sResString.append("0.");
+            }
+
+            for ( k = 0; k <= nThousand; k++)
+            {
+                sResString.append(sStrArray[nNums[k]]);  // integer part
+            }
+            if ( nDecPos == 2 && k < nNumericsCnt )     // . somewhere
+            {
+                sResString.append('.');
+                sal_uInt16 nStop = (eScannedType == SvNumFormatType::SCIENTIFIC ?
+                                    nNumericsCnt-1 : nNumericsCnt);
+                for ( ; k < nStop; k++)
+                {
+                    sResString.append(sStrArray[nNums[k]]);  // fractional part
+                }
+            }
+
+            if (eScannedType != SvNumFormatType::SCIENTIFIC)
+            {
+                fOutNumber = StringToDouble(sResString);
+            }
+            else
+            {                                           // append exponent
+                sResString.append('E');
+                if ( nESign == -1 )
+                {
+                    sResString.append('-');
+                }
+                sResString.append(sStrArray[nNums[nNumericsCnt-1]]);
+                rtl_math_ConversionStatus eStatus;
+                fOutNumber = ::rtl::math::stringToDouble( sResString, '.', ',', &eStatus );
+                if ( eStatus == rtl_math_ConversionStatus_OutOfRange )
+                {
+                    F_Type = SvNumFormatType::TEXT;         // overflow/underflow -> Text
+                    if (nESign == -1)
+                    {
+                        fOutNumber = 0.0;
+                    }
+                    else
+                    {
+                        fOutNumber = DBL_MAX;
+                    }
+                    return true;
+                }
+            }
+
+            if ( nStringScanSign )
+            {
+                if ( nSign )
+                {
+                    nSign *= nStringScanSign;
+                }
+                else
+                {
+                    nSign = nStringScanSign;
+                }
+            }
+            if ( nSign < 0 )
+            {
+                fOutNumber = -fOutNumber;
+            }
+
+            if (eScannedType == SvNumFormatType::PERCENT)
+            {
+                fOutNumber/= 100.0;
+            }
+            break;
+
+        case SvNumFormatType::FRACTION:
+            if (nNumericsCnt == 1)
+            {
+                fOutNumber = StringToDouble(sStrArray[nNums[0]]);
+            }
+            else if (nNumericsCnt == 2)
+            {
+                if (nThousand == 1)
+                {
+                    sResString = sStrArray[nNums[0]];
+                    sResString.append(sStrArray[nNums[1]]); // integer part
+                    fOutNumber = StringToDouble(sResString);
+                }
+                else
+                {
+                    double fNumerator = StringToDouble(sStrArray[nNums[0]]);
+                    double fDenominator = StringToDouble(sStrArray[nNums[1]]);
+                    if (fDenominator != 0.0)
+                    {
+                        fOutNumber = fNumerator/fDenominator;
+                    }
+                    else
+                    {
+                        res = false;
+                    }
+                }
+            }
+            else // nNumericsCnt > 2
+            {
+                k = 1;
+                sResString = sStrArray[nNums[0]];
+                if (nThousand > 0)
+                {
+                    for (; k <= nThousand; k++)
+                    {
+                        sResString.append(sStrArray[nNums[k]]);
+                    }
+                }
+                fOutNumber = StringToDouble(sResString);
+
+                if (k == nNumericsCnt-2)
+                {
+                    double fNumerator = StringToDouble(sStrArray[nNums[k]]);
+                    double fDenominator = StringToDouble(sStrArray[nNums[k + 1]]);
+                    if (fDenominator != 0.0)
+                    {
+                        fOutNumber += fNumerator/fDenominator;
+                    }
+                    else
+                    {
+                        res = false;
+                    }
+                }
+            }
+
+            if ( nStringScanSign )
+            {
+                if ( nSign )
+                {
+                    nSign *= nStringScanSign;
+                }
+                else
+                {
+                    nSign = nStringScanSign;
+                }
+            }
+            if ( nSign < 0 )
+            {
+                fOutNumber = -fOutNumber;
+            }
+            break;
+
+        case SvNumFormatType::TIME:
+            res = GetTimeRef(fOutNumber, 0, nNumericsCnt, eInputOptions);
+            if ( nSign < 0 )
+            {
+                fOutNumber = -fOutNumber;
+            }
+            break;
+
+        case SvNumFormatType::DATE:
+            res = GetDateRef( fOutNumber, k );
+            break;
+
+        case SvNumFormatType::DATETIME:
+            res = GetDateRef( fOutNumber, k );
+            if ( res )
+            {
+                double fTime;
+                res = GetTimeRef( fTime, k, nNumericsCnt - k, eInputOptions);
+                fOutNumber += fTime;
+            }
+            break;
+
+        default:
+            SAL_WARN( "svl.numbers", "Some number recognized but what's it?" );
+            fOutNumber = 0.0;
+            break;
+        }
+    }
+
+    if (res) // overflow/underflow -> Text
+    {
+        if (fOutNumber < -DBL_MAX) // -1.7E308
+        {
+            F_Type = SvNumFormatType::TEXT;
+            fOutNumber = -DBL_MAX;
+            return true;
+        }
+        else if (fOutNumber >  DBL_MAX) // 1.7E308
+        {
+            F_Type = SvNumFormatType::TEXT;
+            fOutNumber = DBL_MAX;
+            return true;
+        }
+    }
+
+    if (!res)
+    {
+        eScannedType = SvNumFormatType::TEXT;
+        fOutNumber = 0.0;
+    }
+
+    F_Type = eScannedType;
+    return res;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zforfind.hxx b/svl/source/numbers/zforfind.hxx
new file mode 100644
index 0000000000..dea732b932
--- /dev/null
+++ b/svl/source/numbers/zforfind.hxx
@@ -0,0 +1,443 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+#define INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+
+#include <com/sun/star/uno/Sequence.hxx>
+#include <rtl/ustring.hxx>
+#include <svl/zforlist.hxx>
+#include <tools/date.hxx>
+#include <memory>
+#include <optional>
+
+class SvNumberformat;
+class SvNumberFormatter;
+enum class SvNumFormatType : sal_Int16;
+
+#define SV_MAX_COUNT_INPUT_STRINGS  20    // max count of substrings in input scanner
+
+class ImpSvNumberInputScan
+{
+public:
+    explicit ImpSvNumberInputScan( SvNumberFormatter* pFormatter );
+    ~ImpSvNumberInputScan();
+
+/*!*/   void ChangeIntl();                      // MUST be called if language changes
+
+    /// set reference date for offset calculation
+    void ChangeNullDate( const sal_uInt16 nDay,
+                         const sal_uInt16 nMonth,
+                         const sal_Int16 nYear );
+
+    /// convert input string to number
+    bool IsNumberFormat( const OUString& rString,            /// input string
+                         SvNumFormatType& F_Type,            /// format type (in + out)
+                         double& fOutNumber,                 /// value determined (out)
+                         const SvNumberformat* pFormat,      /// number format to which compare against
+                         SvNumInputOptions eInputOptions);
+
+    /// after IsNumberFormat: get decimal position
+    short   GetDecPos() const { return nDecPos; }
+    /// after IsNumberFormat: get count of numeric substrings in input string
+    sal_uInt16  GetNumericsCount() const { return nNumericsCnt; }
+
+    /// set threshold of two-digit year input
+    void    SetYear2000( sal_uInt16 nVal ) { nYear2000 = nVal; }
+    /// get threshold of two-digit year input
+    sal_uInt16  GetYear2000() const { return nYear2000; }
+
+    /** Whether input can be forced to ISO 8601 format.
+
+        Depends on locale's date separator and a specific date format order.
+     */
+    bool CanForceToIso8601( DateOrder eDateOrder );
+
+    void InvalidateDateAcceptancePatterns();
+
+    /** Whether 'T' separator was detected in an ISO 8601 date+time format.
+     */
+    bool HasIso8601Tsep() const { return bIso8601Tsep; }
+
+private:
+    SvNumberFormatter*  pFormatter;
+    const SvNumberformat* mpFormat;                            //* The format to compare against, if any
+    std::unique_ptr<OUString[]> pUpperMonthText;               //* Array of month names, uppercase
+    std::unique_ptr<OUString[]> pUpperAbbrevMonthText;         //* Array of month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperGenitiveMonthText;       //* Array of genitive month names, uppercase
+    std::unique_ptr<OUString[]> pUpperGenitiveAbbrevMonthText; //* Array of genitive month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperPartitiveMonthText;      //* Array of partitive month names, uppercase
+    std::unique_ptr<OUString[]> pUpperPartitiveAbbrevMonthText;//* Array of partitive month names, abbreviated, uppercase
+    std::unique_ptr<OUString[]> pUpperDayText;                 //* Array of day of week names, uppercase
+    std::unique_ptr<OUString[]> pUpperAbbrevDayText;           //* Array of day of week names, abbreviated, uppercase
+    OUString  aUpperCurrSymbol;                 //* Currency symbol, uppercase
+    bool    bTextInitialized;                   //* Whether days and months are initialized
+    bool    bScanGenitiveMonths;                //* Whether to scan an input for genitive months
+    bool    bScanPartitiveMonths;               //* Whether to scan an input for partitive months
+    std::optional<Date> moNullDate;                 //* 30Dec1899
+    // Variables for provisional results:
+    OUString   sStrArray[SV_MAX_COUNT_INPUT_STRINGS];//* Array of scanned substrings
+    bool       IsNum[SV_MAX_COUNT_INPUT_STRINGS];    //* Whether a substring is numeric
+    sal_uInt16 nNums[SV_MAX_COUNT_INPUT_STRINGS];    //* Sequence of offsets to numeric strings
+    sal_uInt16 nStringsCnt;                          //* Total count of scanned substrings
+    sal_uInt16 nNumericsCnt;                         //* Count of numeric substrings
+    bool       bDecSepInDateSeps;                    //* True <=> DecSep in {.,-,/,DateSep}
+    sal_uInt8  nMatchedAllStrings;                   //* Scan...String() matched all substrings,
+
+    // bit mask of nMatched... constants
+    static const sal_uInt8 nMatchedEndString;        // 0x01
+    static const sal_uInt8 nMatchedMidString;        // 0x02
+    static const sal_uInt8 nMatchedStartString;      // 0x04
+    static const sal_uInt8 nMatchedVirgin;           // 0x08
+    static const sal_uInt8 nMatchedUsedAsReturn;     // 0x10
+
+    int    nSign;                               // Sign of number
+    int    nMonth;                              // Month (1..x) if date
+                                                // negative => short format
+    short  nMonthPos;                           // 1 = front, 2 = middle
+                                                // 3 = end
+    int    nDayOfWeek;                          // Temporary (!) day of week (1..7,-1..-7) if date
+    sal_uInt16 nTimePos;                        // Index of first time separator (+1)
+    short  nDecPos;                             // Index of substring containing "," (+1)
+    bool   bNegCheck;                           // '( )' for negative
+    short  nESign;                              // Sign of exponent
+    short  nAmPm;                               // +1 AM, -1 PM, 0 if none
+    short  nLogical;                            // -1 => False, 1 => True
+    bool   mbEraCE;                            // Era if date, 0 => BCE, 1 => CE (currently only Gregorian)
+    sal_uInt16 nThousand;                       // Count of group (AKA thousand) separators
+    sal_uInt16 nPosThousandString;              // Position of concatenated 000,000,000 string
+    SvNumFormatType eScannedType;               // Scanned type
+    SvNumFormatType eSetType;                   // Preset Type
+
+    sal_uInt16 nStringScanNumFor;               // Fixed strings recognized in
+                                                // pFormat->NumFor[nNumForStringScan]
+    short  nStringScanSign;                     // Sign resulting of FixString
+    sal_uInt16 nYear2000;                       // Two-digit threshold
+                                                // Year as 20xx
+                                                // default 18
+                                                // number <= nYear2000 => 20xx
+                                                // number >  nYear2000 => 19xx
+
+    /** State of ISO 8601 detection.
+
+        0:= don't know yet
+        1:= no
+        2:= yes, <=2 digits in year
+        3:= yes,   3 digits in year
+        4:= yes, >=4 digits in year
+
+        @see MayBeIso8601()
+     */
+    sal_uInt8    nMayBeIso8601;
+
+    /** Whether the 'T' time separator was detected in an ISO 8601 string. */
+    bool        bIso8601Tsep;
+
+    /** State of dd-month-yy or yy-month-dd detection, with month name.
+
+        0:= don't know yet
+        1:= no
+        2:= yes, dd-month-yy
+        3:= yes, yy-month-dd
+
+        @see MayBeMonthDate()
+     */
+    sal_uInt8   nMayBeMonthDate;
+
+    /** Input matched this locale dependent date acceptance pattern.
+        -2 if not checked yet, -1 if no match, >=0 matched pattern.
+
+        @see IsAcceptedDatePattern()
+     */
+    sal_Int32   nAcceptedDatePattern;
+    css::uno::Sequence< OUString >  sDateAcceptancePatterns;
+
+    /** If input matched a date acceptance pattern that starts at input
+        particle sStrArray[nDatePatternStart].
+
+        @see IsAcceptedDatePattern()
+     */
+    sal_uInt16  nDatePatternStart;
+
+    /** Count of numbers that matched the accepted pattern, if any, else 0.
+
+        @see GetDatePatternNumbers()
+     */
+    sal_uInt16  nDatePatternNumbers;
+
+    // Copy assignment is forbidden and not implemented.
+    ImpSvNumberInputScan (const ImpSvNumberInputScan &) = delete;
+    ImpSvNumberInputScan & operator= (const ImpSvNumberInputScan &) = delete;
+
+    void Reset();                               // Reset all variables before start of analysis
+
+    void InitText();                            // Init of months and days of week
+
+    // Convert string to double.
+    // Only simple unsigned floating point values without any error detection,
+    // decimal separator has to be '.'
+    // If bForceFraction==true the string is taken to be the fractional part
+    // of 0.1234 without the leading 0. (thus being just "1234").
+    static double StringToDouble( std::u16string_view aStr,
+                                  bool bForceFraction = false );
+
+    // Next number/string symbol
+    static bool NextNumberStringSymbol( const sal_Unicode*& pStr,
+                                        OUString& rSymbol );
+
+    // Concatenate ,000,23 blocks
+    // in input to 000123
+    bool SkipThousands( const sal_Unicode*& pStr, OUString& rSymbol ) const;
+
+    // Divide numbers/strings into
+    // arrays and variables above.
+    // Leading blanks and blanks
+    // after numbers are thrown away
+    void NumberStringDivision( const OUString& rString );
+
+
+    /** Whether rString contains word (!) rWhat at nPos.
+        rWhat will not be matched if it is a substring of a word.
+     */
+    bool StringContainsWord( const OUString& rWhat,
+                             const OUString& rString,
+                             sal_Int32 nPos ) const;
+
+    // optimized substring versions
+
+    // Whether rString contains rWhat at nPos
+    static bool StringContains( const OUString& rWhat,
+                                       const OUString& rString,
+                                       sal_Int32 nPos )
+        {
+            if (rWhat.isEmpty() || rString.getLength() <= nPos)
+            {
+                return false;
+            }
+            // mostly used with one character
+            if ( rWhat[ 0 ] != rString[ nPos ] )
+            {
+                return false;
+            }
+            return StringContainsImpl( rWhat, rString, nPos );
+        }
+
+    // Whether pString contains rWhat at nPos
+    static bool StringPtrContains( const OUString& rWhat,
+                                          const sal_Unicode* pString,
+                                          sal_Int32 nPos ) // nPos MUST be a valid offset from pString
+        {
+            // mostly used with one character
+            if ( rWhat[ 0 ] != pString[ nPos ] )
+            {
+                return false;
+            }
+            return StringPtrContainsImpl( rWhat, pString, nPos );
+        }
+
+    //! DO NOT use directly
+    static bool StringContainsImpl( const OUString& rWhat,
+                                    const OUString& rString,
+                                    sal_Int32 nPos );
+    //! DO NOT use directly
+    static bool StringPtrContainsImpl( const OUString& rWhat,
+                                       const sal_Unicode* pString,
+                                       sal_Int32 nPos );
+
+    // Skip a special character
+    static inline bool SkipChar( sal_Unicode c,
+                                 std::u16string_view rString,
+                                 sal_Int32& nPos );
+
+    // Skip blank
+    static inline bool SkipBlanks( const OUString& rString,
+                                   sal_Int32& nPos );
+
+    // Jump over rWhat in rString at nPos
+    static inline bool SkipString( const OUString& rWhat,
+                                   const OUString& rString,
+                                   sal_Int32& nPos );
+
+    // Recognizes exactly ,111 as group separator
+    inline bool GetThousandSep( std::u16string_view rString,
+                                sal_Int32& nPos,
+                                sal_uInt16 nStringPos ) const;
+    // Get boolean value
+    short GetLogical( std::u16string_view rString ) const;
+
+    // Get month and advance string position
+    short GetMonth( const OUString& rString,
+                    sal_Int32& nPos );
+
+    // Get day of week and advance string position
+    int GetDayOfWeek( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get currency symbol and advance string position
+    bool GetCurrency( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get symbol AM or PM and advance string position
+    bool GetTimeAmPm( const OUString& rString,
+                      sal_Int32& nPos );
+
+    // Get decimal separator and advance string position
+    inline bool GetDecSep( std::u16string_view rString,
+                           sal_Int32& nPos ) const;
+
+    // Get hundredth seconds separator and advance string position
+    inline bool GetTime100SecSep( std::u16string_view rString,
+                                  sal_Int32& nPos ) const;
+
+    // Get sign  and advance string position
+    // Including special case '('
+    int GetSign( std::u16string_view rString,
+                 sal_Int32& nPos );
+
+    // Get sign of exponent and advance string position
+    static short GetESign( std::u16string_view rString,
+                           sal_Int32& nPos );
+
+    // Get next number as array offset
+    inline bool GetNextNumber( sal_uInt16& i,
+                               sal_uInt16& j ) const;
+
+    /** Converts time -> double (only decimals)
+
+        @return TRUE if time, FALSE if not (e.g. hours >12 with AM/PM)
+     */
+    bool GetTimeRef( double& fOutNumber,                     // result as double
+                     sal_uInt16 nIndex,                      // Index of hour in input
+                     sal_uInt16 nCnt,                        // Count of time substrings in input
+                     SvNumInputOptions eInputOptions ) const;
+    sal_uInt16 ImplGetDay  ( sal_uInt16 nIndex ) const;      // Day input, 0 if no match
+    sal_uInt16 ImplGetMonth( sal_uInt16 nIndex ) const;      // Month input, zero based return, NumberOfMonths if no match
+    sal_uInt16 ImplGetYear ( sal_uInt16 nIndex );   // Year input, 0 if no match
+
+    // Conversion of date to number
+    bool GetDateRef( double& fDays,                          // OUT: days diff to null date
+                     sal_uInt16& nCounter );                 // Count of date substrings
+
+    // Analyze start of string
+    bool ScanStartString( const OUString& rString );
+
+    // Analyze middle substring
+    bool ScanMidString( const OUString& rString,
+                        sal_uInt16 nStringPos,
+                        sal_uInt16 nCurNumCount );
+
+
+    // Analyze end of string
+    bool ScanEndString( const OUString& rString );
+
+    // Compare rString to substring of array indexed by nString
+    // nString == 0xFFFF => last substring
+    bool ScanStringNumFor( const OUString& rString,
+                           sal_Int32 nPos,
+                           sal_uInt16 nString,
+                           bool bDontDetectNegation = false );
+
+    // if nMatchedAllStrings set nMatchedUsedAsReturn and return true,
+    // else do nothing and return false
+    bool MatchedReturn();
+
+    //! Be sure that the string to be analyzed is already converted to upper
+    //! case and if it contained native number digits that they are already
+    //! converted to ASCII.
+
+    // Main analyzing function
+    bool IsNumberFormatMain( const OUString& rString,
+                             const SvNumberformat* pFormat);    // number format to match against
+
+    /** Whether input matches locale dependent date acceptance pattern.
+
+        @param nStartPatternAt
+               The pattern matching starts at input particle
+               sStrArray[nStartPatternAt].
+
+        NOTE: once called the result is remembered, subsequent calls with
+        different parameters do not check for a match and do not lead to a
+        different result.
+     */
+    bool IsAcceptedDatePattern( sal_uInt16 nStartPatternAt );
+
+    /** Sets (not advances!) rPos to sStrArray[nParticle].getLength() if string
+        matches separator in pattern at nParticle.
+
+        Also detects a signed year case like M/D/-Y
+
+        @returns TRUE if separator matched.
+     */
+    bool SkipDatePatternSeparator( sal_uInt16 nParticle, sal_Int32 & rPos, bool & rSignedYear );
+
+    /** Returns count of numbers in accepted date pattern.
+     */
+    sal_uInt16 GetDatePatternNumbers();
+
+    /** Whether numeric string nNumber is of type cType in accepted date
+        pattern, 'Y', 'M' or 'D'.
+     */
+    bool IsDatePatternNumberOfType( sal_uInt16 nNumber, sal_Unicode cType );
+
+    /** Obtain order of accepted date pattern coded as, for example,
+        ('D'<<16)|('M'<<8)|'Y'
+    */
+    sal_uInt32 GetDatePatternOrder();
+
+    /** Obtain date format order, from accepted date pattern if available or
+        otherwise the locale's default order.
+
+        @param  bFromFormatIfNoPattern
+                If <TRUE/> and no pattern was matched, obtain date order from
+                format if available, instead from format's or current locale.
+     */
+    DateOrder GetDateOrder( bool bFromFormatIfNoPattern = false );
+
+    /** Whether input may be an ISO 8601 date format, yyyy-mm-dd...
+
+        Checks if input has at least 3 numbers for yyyy-mm-dd and the separator
+        is '-', and 1<=mm<=12 and 1<=dd<=31.
+
+        @see nMayBeIso8601
+     */
+    bool MayBeIso8601();
+
+    /** Whether input may be a dd-month-yy format, with month name, not
+        number.
+
+        @see nMayBeMonthDate
+     */
+    bool MayBeMonthDate();
+
+    /** Whether input is acceptable as ISO 8601 date format in the current
+        NfEvalDateFormat setting.
+     */
+    bool IsAcceptableIso8601();
+
+    /** If month name in the middle was parsed, get the corresponding
+        LongDateOrder in GetDateRef().
+     */
+    LongDateOrder GetMiddleMonthLongDateOrder( bool bFormatTurn,
+                                               const LocaleDataWrapper* pLoc,
+                                               DateOrder eDateOrder );
+};
+
+#endif // INCLUDED_SVL_SOURCE_NUMBERS_ZFORFIND_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zforlist.cxx b/svl/source/numbers/zforlist.cxx
new file mode 100644
index 0000000000..3b6c2bd7f1
--- /dev/null
+++ b/svl/source/numbers/zforlist.cxx
@@ -0,0 +1,4979 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <sal/log.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <svl/zforlist.hxx>
+#include <svl/currencytable.hxx>
+
+#include <comphelper/string.hxx>
+#include <o3tl/string_view.hxx>
+#include <tools/debug.hxx>
+#include <unotools/charclass.hxx>
+#include <unotools/configmgr.hxx>
+#include <i18nlangtag/mslangid.hxx>
+#include <unotools/localedatawrapper.hxx>
+#include <com/sun/star/i18n/KNumberFormatUsage.hpp>
+#include <com/sun/star/i18n/KNumberFormatType.hpp>
+#include <com/sun/star/i18n/FormatElement.hpp>
+#include <com/sun/star/i18n/Currency2.hpp>
+#include <com/sun/star/i18n/NumberFormatCode.hpp>
+#include <com/sun/star/i18n/XNumberFormatCode.hpp>
+#include <com/sun/star/i18n/NumberFormatMapper.hpp>
+#include <comphelper/processfactory.hxx>
+
+#include <osl/mutex.hxx>
+
+#include "zforscan.hxx"
+#include "zforfind.hxx"
+#include <svl/zformat.hxx>
+#include <i18npool/reservedconstants.hxx>
+
+#include <unotools/syslocaleoptions.hxx>
+#include <unotools/digitgroupingiterator.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/math.hxx>
+
+#include <math.h>
+#include <limits>
+#include <memory>
+#include <set>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star::lang;
+
+// Constants for type offsets per Country/Language (CL)
+#define ZF_STANDARD              0
+#define ZF_STANDARD_PERCENT     10
+#define ZF_STANDARD_CURRENCY    20
+#define ZF_STANDARD_DATE        30
+#define ZF_STANDARD_TIME        60
+#define ZF_STANDARD_DURATION    (ZF_STANDARD_TIME + 4)
+#define ZF_STANDARD_DATETIME    70
+#define ZF_STANDARD_SCIENTIFIC  80
+#define ZF_STANDARD_FRACTION    85
+
+// Additional builtin formats, historically not fitting into the first 10 of a
+// category. Make sure it doesn't spill over to the next category.
+#define ZF_STANDARD_DATE_SYS_DMMMYYYY       (ZF_STANDARD_DATE + 10)
+#define ZF_STANDARD_DATE_SYS_DMMMMYYYY      (ZF_STANDARD_DATE + 11)
+#define ZF_STANDARD_DATE_SYS_NNDMMMYY       (ZF_STANDARD_DATE + 12)
+#define ZF_STANDARD_DATE_SYS_NNDMMMMYYYY    (ZF_STANDARD_DATE + 13)
+#define ZF_STANDARD_DATE_SYS_NNNNDMMMMYYYY  (ZF_STANDARD_DATE + 14)
+#define ZF_STANDARD_DATE_DIN_DMMMYYYY       (ZF_STANDARD_DATE + 15)
+#define ZF_STANDARD_DATE_DIN_DMMMMYYYY      (ZF_STANDARD_DATE + 16)
+#define ZF_STANDARD_DATE_DIN_MMDD           (ZF_STANDARD_DATE + 17)
+#define ZF_STANDARD_DATE_DIN_YYMMDD         (ZF_STANDARD_DATE + 18)
+#define ZF_STANDARD_DATE_DIN_YYYYMMDD       (ZF_STANDARD_DATE + 19)
+#define ZF_STANDARD_DATE_WW                 (ZF_STANDARD_DATE + 20)
+
+#define ZF_STANDARD_LOGICAL     SV_MAX_COUNT_STANDARD_FORMATS-1 //  99
+#define ZF_STANDARD_TEXT        SV_MAX_COUNT_STANDARD_FORMATS   // 100
+
+static_assert( ZF_STANDARD_TEXT == NF_STANDARD_FORMAT_TEXT, "definition mismatch" );
+
+static_assert( NF_INDEX_TABLE_RESERVED_START == i18npool::nStopPredefinedFormatIndex,
+        "NfIndexTableOffset does not match i18npool's locale data predefined format code index bounds.");
+
+static_assert( NF_INDEX_TABLE_ENTRIES <= i18npool::nFirstFreeFormatIndex,
+        "NfIndexTableOffset crosses i18npool's locale data reserved format code index bounds.\n"
+        "You will need to adapt all locale data files defining index values "
+        "(formatIndex=\"...\") in that range and increment those and when done "
+        "adjust nFirstFreeFormatIndex in include/i18npool/reservedconstants.hxx");
+
+/* Locale that is set if an unknown locale (from another system) is loaded of
+ * legacy documents. Can not be SYSTEM because else, for example, a German "DM"
+ * (old currency) is recognized as a date (#53155#). */
+#define UNKNOWN_SUBSTITUTE      LANGUAGE_ENGLISH_US
+
+// Same order as in include/svl/zforlist.hxx enum NfIndexTableOffset
+sal_uInt32 const indexTable[NF_INDEX_TABLE_ENTRIES] = {
+    ZF_STANDARD, // NF_NUMBER_STANDARD
+    ZF_STANDARD + 1, // NF_NUMBER_INT
+    ZF_STANDARD + 2, // NF_NUMBER_DEC2
+    ZF_STANDARD + 3, // NF_NUMBER_1000INT
+    ZF_STANDARD + 4, // NF_NUMBER_1000DEC2
+    ZF_STANDARD + 5, // NF_NUMBER_SYSTEM
+    ZF_STANDARD_SCIENTIFIC, // NF_SCIENTIFIC_000E000
+    ZF_STANDARD_SCIENTIFIC + 1, // NF_SCIENTIFIC_000E00
+    ZF_STANDARD_PERCENT, // NF_PERCENT_INT
+    ZF_STANDARD_PERCENT + 1, // NF_PERCENT_DEC2
+    ZF_STANDARD_FRACTION, // NF_FRACTION_1D
+    ZF_STANDARD_FRACTION + 1, // NF_FRACTION_2D
+    ZF_STANDARD_CURRENCY, // NF_CURRENCY_1000INT
+    ZF_STANDARD_CURRENCY + 1, // NF_CURRENCY_1000DEC2
+    ZF_STANDARD_CURRENCY + 2, // NF_CURRENCY_1000INT_RED
+    ZF_STANDARD_CURRENCY + 3, // NF_CURRENCY_1000DEC2_RED
+    ZF_STANDARD_CURRENCY + 4, // NF_CURRENCY_1000DEC2_CCC
+    ZF_STANDARD_CURRENCY + 5, // NF_CURRENCY_1000DEC2_DASHED
+    ZF_STANDARD_DATE, // NF_DATE_SYSTEM_SHORT
+    ZF_STANDARD_DATE + 8, // NF_DATE_SYSTEM_LONG
+    ZF_STANDARD_DATE + 7, // NF_DATE_SYS_DDMMYY
+    ZF_STANDARD_DATE + 6, // NF_DATE_SYS_DDMMYYYY
+    ZF_STANDARD_DATE + 9, // NF_DATE_SYS_DMMMYY
+    ZF_STANDARD_DATE_SYS_DMMMYYYY, // NF_DATE_SYS_DMMMYYYY
+    ZF_STANDARD_DATE_DIN_DMMMYYYY, // NF_DATE_DIN_DMMMYYYY
+    ZF_STANDARD_DATE_SYS_DMMMMYYYY, // NF_DATE_SYS_DMMMMYYYY
+    ZF_STANDARD_DATE_DIN_DMMMMYYYY, // NF_DATE_DIN_DMMMMYYYY
+    ZF_STANDARD_DATE_SYS_NNDMMMYY, // NF_DATE_SYS_NNDMMMYY
+    ZF_STANDARD_DATE + 1, // NF_DATE_DEF_NNDDMMMYY
+    ZF_STANDARD_DATE_SYS_NNDMMMMYYYY, // NF_DATE_SYS_NNDMMMMYYYY
+    ZF_STANDARD_DATE_SYS_NNNNDMMMMYYYY, // NF_DATE_SYS_NNNNDMMMMYYYY
+    ZF_STANDARD_DATE_DIN_MMDD, // NF_DATE_DIN_MMDD
+    ZF_STANDARD_DATE_DIN_YYMMDD, // NF_DATE_DIN_YYMMDD
+    ZF_STANDARD_DATE_DIN_YYYYMMDD, // NF_DATE_DIN_YYYYMMDD
+    ZF_STANDARD_DATE + 2, // NF_DATE_SYS_MMYY
+    ZF_STANDARD_DATE + 3, // NF_DATE_SYS_DDMMM
+    ZF_STANDARD_DATE + 4, // NF_DATE_MMMM
+    ZF_STANDARD_DATE + 5, // NF_DATE_QQJJ
+    ZF_STANDARD_DATE_WW, // NF_DATE_WW
+    ZF_STANDARD_TIME, // NF_TIME_HHMM
+    ZF_STANDARD_TIME + 1, // NF_TIME_HHMMSS
+    ZF_STANDARD_TIME + 2, // NF_TIME_HHMMAMPM
+    ZF_STANDARD_TIME + 3, // NF_TIME_HHMMSSAMPM
+    ZF_STANDARD_TIME + 4, // NF_TIME_HH_MMSS
+    ZF_STANDARD_TIME + 5, // NF_TIME_MMSS00
+    ZF_STANDARD_TIME + 6, // NF_TIME_HH_MMSS00
+    ZF_STANDARD_DATETIME, // NF_DATETIME_SYSTEM_SHORT_HHMM
+    ZF_STANDARD_DATETIME + 1, // NF_DATETIME_SYS_DDMMYYYY_HHMMSS
+    ZF_STANDARD_LOGICAL, // NF_BOOLEAN
+    ZF_STANDARD_TEXT, // NF_TEXT
+    ZF_STANDARD_DATETIME + 2, // NF_DATETIME_SYS_DDMMYYYY_HHMM
+    ZF_STANDARD_FRACTION + 2, // NF_FRACTION_3D
+    ZF_STANDARD_FRACTION + 3, // NF_FRACTION_2
+    ZF_STANDARD_FRACTION + 4, // NF_FRACTION_4
+    ZF_STANDARD_FRACTION + 5, // NF_FRACTION_8
+    ZF_STANDARD_FRACTION + 6, // NF_FRACTION_16
+    ZF_STANDARD_FRACTION + 7, // NF_FRACTION_10
+    ZF_STANDARD_FRACTION + 8, // NF_FRACTION_100
+    ZF_STANDARD_DATETIME + 3, // NF_DATETIME_ISO_YYYYMMDD_HHMMSS
+    ZF_STANDARD_DATETIME + 4, // NF_DATETIME_ISO_YYYYMMDD_HHMMSS000
+    ZF_STANDARD_DATETIME + 5, // NF_DATETIME_ISO_YYYYMMDDTHHMMSS
+    ZF_STANDARD_DATETIME + 6  // NF_DATETIME_ISO_YYYYMMDDTHHMMSS000
+};
+
+/**
+    instead of every number formatter being a listener we have a registry which
+    also handles one instance of the SysLocale options
+ */
+
+class SvNumberFormatterRegistry_Impl : public utl::ConfigurationListener
+{
+    std::vector< SvNumberFormatter* >
+                                aFormatters;
+    SvtSysLocaleOptions         aSysLocaleOptions;
+    LanguageType                eSysLanguage;
+
+public:
+                            SvNumberFormatterRegistry_Impl();
+    virtual                 ~SvNumberFormatterRegistry_Impl() override;
+
+    void                    Insert( SvNumberFormatter* pThis )
+                                { aFormatters.push_back( pThis ); }
+
+    void                    Remove( SvNumberFormatter const * pThis );
+
+    size_t                  Count() const
+                                { return aFormatters.size(); }
+
+    virtual void            ConfigurationChanged( utl::ConfigurationBroadcaster*, ConfigurationHints ) override;
+};
+
+SvNumberFormatterRegistry_Impl::SvNumberFormatterRegistry_Impl()
+    : eSysLanguage(MsLangId::getRealLanguage( LANGUAGE_SYSTEM ))
+{
+    aSysLocaleOptions.AddListener( this );
+}
+
+
+SvNumberFormatterRegistry_Impl::~SvNumberFormatterRegistry_Impl()
+{
+    aSysLocaleOptions.RemoveListener( this );
+}
+
+
+void SvNumberFormatterRegistry_Impl::Remove( SvNumberFormatter const * pThis )
+{
+    auto it = std::find(aFormatters.begin(), aFormatters.end(), pThis);
+    if (it != aFormatters.end())
+        aFormatters.erase( it );
+}
+
+void SvNumberFormatterRegistry_Impl::ConfigurationChanged( utl::ConfigurationBroadcaster*,
+                                                           ConfigurationHints nHint)
+{
+    ::osl::MutexGuard aGuard( SvNumberFormatter::GetGlobalMutex() );
+
+    if ( nHint & ConfigurationHints::Locale )
+    {
+        for(SvNumberFormatter* pFormatter : aFormatters)
+            pFormatter->ReplaceSystemCL( eSysLanguage );
+        eSysLanguage = MsLangId::getRealLanguage( LANGUAGE_SYSTEM );
+    }
+    if ( nHint & ConfigurationHints::Currency )
+    {
+        for(SvNumberFormatter* pFormatter : aFormatters)
+            pFormatter->ResetDefaultSystemCurrency();
+    }
+    if ( nHint & ConfigurationHints::DatePatterns )
+    {
+        for(SvNumberFormatter* pFormatter : aFormatters)
+            pFormatter->InvalidateDateAcceptancePatterns();
+    }
+}
+
+
+SvNumberFormatterRegistry_Impl* SvNumberFormatter::pFormatterRegistry = nullptr;
+volatile bool SvNumberFormatter::bCurrencyTableInitialized = false;
+namespace
+{
+    NfCurrencyTable& theCurrencyTable()
+    {
+        static NfCurrencyTable SINGLETON;
+        return SINGLETON;
+    }
+
+    NfCurrencyTable& theLegacyOnlyCurrencyTable()
+    {
+        static NfCurrencyTable SINGLETON;
+        return SINGLETON;
+    }
+
+    /** THE set of installed locales. */
+    std::set< LanguageType > theInstalledLocales;
+
+}
+sal_uInt16 SvNumberFormatter::nSystemCurrencyPosition = 0;
+
+// Whether BankSymbol (not CurrencySymbol!) is always at the end (1 $;-1 $) or
+// language dependent.
+#define NF_BANKSYMBOL_FIX_POSITION 1
+
+const sal_uInt16 SvNumberFormatter::UNLIMITED_PRECISION   = ::std::numeric_limits<sal_uInt16>::max();
+const sal_uInt16 SvNumberFormatter::INPUTSTRING_PRECISION = ::std::numeric_limits<sal_uInt16>::max()-1;
+
+SvNumberFormatter::SvNumberFormatter( const Reference< XComponentContext >& rxContext,
+                                      LanguageType eLang )
+    : m_xContext( rxContext )
+    , maLanguageTag( eLang)
+{
+    ImpConstruct( eLang );
+}
+
+SvNumberFormatter::~SvNumberFormatter()
+{
+    {
+        ::osl::MutexGuard aGuard( GetGlobalMutex() );
+        pFormatterRegistry->Remove( this );
+        if ( !pFormatterRegistry->Count() )
+        {
+            delete pFormatterRegistry;
+            pFormatterRegistry = nullptr;
+        }
+    }
+
+    aFTable.clear();
+    ClearMergeTable();
+}
+
+
+void SvNumberFormatter::ImpConstruct( LanguageType eLang )
+{
+    if ( eLang == LANGUAGE_DONTKNOW )
+    {
+        eLang = UNKNOWN_SUBSTITUTE;
+    }
+    IniLnge = eLang;
+    ActLnge = eLang;
+    eEvalDateFormat = NF_EVALDATEFORMAT_INTL;
+    nDefaultSystemCurrencyFormat = NUMBERFORMAT_ENTRY_NOT_FOUND;
+
+    maLanguageTag.reset( eLang );
+    xCharClass.changeLocale( m_xContext, maLanguageTag );
+    xLocaleData.init( m_xContext, maLanguageTag );
+    xCalendar.init( m_xContext, maLanguageTag.getLocale() );
+    xTransliteration.init( m_xContext, eLang );
+    xNatNum.init( m_xContext );
+
+    // cached locale data items
+    const LocaleDataWrapper* pLoc = GetLocaleData();
+    aDecimalSep = pLoc->getNumDecimalSep();
+    aDecimalSepAlt = pLoc->getNumDecimalSepAlt();
+    aThousandSep = pLoc->getNumThousandSep();
+    aDateSep = pLoc->getDateSep();
+
+    pStringScanner.reset( new ImpSvNumberInputScan( this ) );
+    pFormatScanner.reset( new ImpSvNumberformatScan( this ) );
+    pFormatTable = nullptr;
+    MaxCLOffset = 0;
+    ImpGenerateFormats( 0, false );     // 0 .. 999 for initialized language formats
+    pMergeTable = nullptr;
+    bNoZero = false;
+
+    ::osl::MutexGuard aGuard( GetGlobalMutex() );
+    GetFormatterRegistry().Insert( this );
+}
+
+
+void SvNumberFormatter::ChangeIntl(LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (ActLnge == eLnge)
+        return;
+
+    ActLnge = eLnge;
+
+    maLanguageTag.reset( eLnge );
+    xCharClass.changeLocale( m_xContext, maLanguageTag );
+    xLocaleData.changeLocale( maLanguageTag );
+    xCalendar.changeLocale( maLanguageTag.getLocale() );
+    xTransliteration.changeLocale( eLnge );
+
+    // cached locale data items, initialize BEFORE calling ChangeIntl below
+    const LocaleDataWrapper* pLoc = GetLocaleData();
+    aDecimalSep = pLoc->getNumDecimalSep();
+    aDecimalSepAlt = pLoc->getNumDecimalSepAlt();
+    aThousandSep = pLoc->getNumThousandSep();
+    aDateSep = pLoc->getDateSep();
+
+    pFormatScanner->ChangeIntl();
+    pStringScanner->ChangeIntl();
+}
+
+
+// static
+::osl::Mutex& SvNumberFormatter::GetGlobalMutex()
+{
+    // #i77768# Due to a static reference in the toolkit lib
+    // we need a mutex that lives longer than the svl library.
+    // Otherwise the dtor would use a destructed mutex!!
+    static osl::Mutex* persistentMutex(new osl::Mutex);
+
+    return *persistentMutex;
+}
+
+
+// static
+SvNumberFormatterRegistry_Impl& SvNumberFormatter::GetFormatterRegistry()
+{
+    ::osl::MutexGuard aGuard( GetGlobalMutex() );
+    if ( !pFormatterRegistry )
+    {
+        pFormatterRegistry = new SvNumberFormatterRegistry_Impl;
+    }
+    return *pFormatterRegistry;
+}
+
+void SvNumberFormatter::SetColorLink( const Link<sal_uInt16,Color*>& rColorTableCallBack )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    aColorLink = rColorTableCallBack;
+}
+
+Color* SvNumberFormatter::GetUserDefColor(sal_uInt16 nIndex)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if( aColorLink.IsSet() )
+    {
+        return aColorLink.Call(nIndex);
+    }
+    else
+    {
+        return nullptr;
+    }
+}
+
+void SvNumberFormatter::ChangeNullDate(sal_uInt16 nDay,
+                                       sal_uInt16 nMonth,
+                                       sal_Int16 nYear)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    pFormatScanner->ChangeNullDate(nDay, nMonth, nYear);
+    pStringScanner->ChangeNullDate(nDay, nMonth, nYear);
+}
+
+const Date& SvNumberFormatter::GetNullDate() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return pFormatScanner->GetNullDate();
+}
+
+void SvNumberFormatter::ChangeStandardPrec(short nPrec)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    pFormatScanner->ChangeStandardPrec(nPrec);
+}
+
+void SvNumberFormatter::SetNoZero(bool bNZ)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    bNoZero = bNZ;
+}
+
+sal_uInt16 SvNumberFormatter::GetStandardPrec() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return pFormatScanner->GetStandardPrec();
+}
+
+bool SvNumberFormatter::GetNoZero() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return bNoZero;
+}
+
+void SvNumberFormatter::ReplaceSystemCL( LanguageType eOldLanguage )
+{
+    sal_uInt32 nCLOffset = ImpGetCLOffset( LANGUAGE_SYSTEM );
+    if ( nCLOffset > MaxCLOffset )
+    {
+        return ;    // no SYSTEM entries to replace
+    }
+    const sal_uInt32 nMaxBuiltin = nCLOffset + SV_MAX_COUNT_STANDARD_FORMATS;
+    const sal_uInt32 nNextCL = nCLOffset + SV_COUNTRY_LANGUAGE_OFFSET;
+    sal_uInt32 nKey;
+
+    // remove old builtin formats
+    auto it = aFTable.find( nCLOffset );
+    while ( it != aFTable.end() && (nKey = it->first) >= nCLOffset && nKey <= nMaxBuiltin )
+    {
+        it = aFTable.erase(it);
+    }
+
+    // move additional and user defined to temporary table
+    SvNumberFormatTable aOldTable;
+    while ( it != aFTable.end() && (nKey = it->first) >= nCLOffset && nKey < nNextCL )
+    {
+        aOldTable[ nKey ] = it->second.release();
+        it = aFTable.erase(it);
+    }
+
+    // generate new old builtin formats
+    // reset ActLnge otherwise ChangeIntl() wouldn't switch if already LANGUAGE_SYSTEM
+    ActLnge = LANGUAGE_DONTKNOW;
+    ChangeIntl( LANGUAGE_SYSTEM );
+    ImpGenerateFormats( nCLOffset, true );
+
+    // convert additional and user defined from old system to new system
+    SvNumberformat* pStdFormat = GetFormatEntry( nCLOffset + ZF_STANDARD );
+    sal_uInt32 nLastKey = nMaxBuiltin;
+    pFormatScanner->SetConvertMode( eOldLanguage, LANGUAGE_SYSTEM, true , true);
+    while ( !aOldTable.empty() )
+    {
+        nKey = aOldTable.begin()->first;
+        if ( nLastKey < nKey )
+        {
+            nLastKey = nKey;
+        }
+        std::unique_ptr<SvNumberformat> pOldEntry(aOldTable.begin()->second);
+        aOldTable.erase( nKey );
+        OUString aString( pOldEntry->GetFormatstring() );
+
+        // Same as PutEntry() but assures key position even if format code is
+        // a duplicate. Also won't mix up any LastInsertKey.
+        ChangeIntl( eOldLanguage );
+        LanguageType eLge = eOldLanguage;   // ConvertMode changes this
+        bool bCheck = false;
+        sal_Int32 nCheckPos = -1;
+        std::unique_ptr<SvNumberformat> pNewEntry(new SvNumberformat( aString, pFormatScanner.get(),
+                                                                      pStringScanner.get(), nCheckPos, eLge ));
+        if ( nCheckPos == 0 )
+        {
+            SvNumFormatType eCheckType = pNewEntry->GetType();
+            if ( eCheckType != SvNumFormatType::UNDEFINED )
+            {
+                pNewEntry->SetType( eCheckType | SvNumFormatType::DEFINED );
+            }
+            else
+            {
+                pNewEntry->SetType( SvNumFormatType::DEFINED );
+            }
+
+            if ( aFTable.emplace( nKey, std::move(pNewEntry) ).second )
+            {
+                bCheck = true;
+            }
+        }
+        DBG_ASSERT( bCheck, "SvNumberFormatter::ReplaceSystemCL: couldn't convert" );
+    }
+    pFormatScanner->SetConvertMode(false);
+    pStdFormat->SetLastInsertKey( sal_uInt16(nLastKey - nCLOffset), SvNumberformat::FormatterPrivateAccess() );
+
+    // append new system additional formats
+    css::uno::Reference< css::i18n::XNumberFormatCode > xNFC = i18n::NumberFormatMapper::create( m_xContext );
+    ImpGenerateAdditionalFormats( nCLOffset, xNFC, true );
+}
+
+const css::uno::Reference<css::uno::XComponentContext>& SvNumberFormatter::GetComponentContext() const
+{
+    return m_xContext;
+}
+
+const ImpSvNumberformatScan* SvNumberFormatter::GetFormatScanner() const { return pFormatScanner.get(); }
+
+const LanguageTag& SvNumberFormatter::GetLanguageTag() const { return maLanguageTag; }
+
+const ::utl::TransliterationWrapper* SvNumberFormatter::GetTransliteration() const
+{
+    return xTransliteration.get();
+}
+
+const CharClass* SvNumberFormatter::GetCharClass() const { return xCharClass.get(); }
+
+const LocaleDataWrapper* SvNumberFormatter::GetLocaleData() const { return xLocaleData.get(); }
+
+CalendarWrapper* SvNumberFormatter::GetCalendar() const { return xCalendar.get(); }
+
+const NativeNumberWrapper* SvNumberFormatter::GetNatNum() const { return xNatNum.get(); }
+
+const OUString& SvNumberFormatter::GetNumDecimalSep() const { return aDecimalSep; }
+
+const OUString& SvNumberFormatter::GetNumDecimalSepAlt() const { return aDecimalSepAlt; }
+
+const OUString& SvNumberFormatter::GetNumThousandSep() const { return aThousandSep; }
+
+const OUString& SvNumberFormatter::GetDateSep() const { return aDateSep; }
+
+bool SvNumberFormatter::IsDecimalSep( std::u16string_view rStr ) const
+{
+    if (rStr == GetNumDecimalSep())
+        return true;
+    if (GetNumDecimalSepAlt().isEmpty())
+        return false;
+    return rStr == GetNumDecimalSepAlt();
+}
+
+bool SvNumberFormatter::IsTextFormat(sal_uInt32 F_Index) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry(F_Index);
+
+    return pFormat && pFormat->IsTextFormat();
+}
+
+bool SvNumberFormatter::PutEntry(OUString& rString,
+                                 sal_Int32& nCheckPos,
+                                 SvNumFormatType& nType,
+                                 sal_uInt32& nKey,      // format key
+                                 LanguageType eLnge,
+                                 bool bReplaceBooleanEquivalent)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    nKey = 0;
+    if (rString.isEmpty())                             // empty string
+    {
+        nCheckPos = 1;                                  // -> Error
+        return false;
+    }
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl(eLnge);                                  // change locale if necessary
+    LanguageType eLge = eLnge;                          // non-const for ConvertMode
+    bool bCheck = false;
+    std::unique_ptr<SvNumberformat> p_Entry(new SvNumberformat(rString,
+                                                               pFormatScanner.get(),
+                                                               pStringScanner.get(),
+                                                               nCheckPos,
+                                                               eLge,
+                                                               bReplaceBooleanEquivalent));
+
+    if (nCheckPos == 0)                         // Format ok
+    {                                           // Type comparison:
+        SvNumFormatType eCheckType = p_Entry->GetType();
+        if ( eCheckType != SvNumFormatType::UNDEFINED)
+        {
+            p_Entry->SetType(eCheckType | SvNumFormatType::DEFINED);
+            nType = eCheckType;
+        }
+        else
+        {
+            p_Entry->SetType(SvNumFormatType::DEFINED);
+            nType = SvNumFormatType::DEFINED;
+        }
+
+        sal_uInt32 CLOffset = ImpGenerateCL(eLge);  // create new standard formats if necessary
+
+        nKey = ImpIsEntry(p_Entry->GetFormatstring(),CLOffset, eLge);
+        if (nKey == NUMBERFORMAT_ENTRY_NOT_FOUND) // only in not yet present
+        {
+            SvNumberformat* pStdFormat = GetFormatEntry(CLOffset + ZF_STANDARD);
+            sal_uInt32 nPos = CLOffset + pStdFormat->GetLastInsertKey( SvNumberformat::FormatterPrivateAccess() );
+            if (nPos+1 - CLOffset >= SV_COUNTRY_LANGUAGE_OFFSET)
+            {
+                SAL_WARN( "svl.numbers", "SvNumberFormatter::PutEntry: too many formats for CL");
+            }
+            else if (!aFTable.emplace( nPos+1, std::move(p_Entry)).second)
+            {
+                SAL_WARN( "svl.numbers", "SvNumberFormatter::PutEntry: dup position");
+            }
+            else
+            {
+                bCheck = true;
+                nKey = nPos+1;
+                pStdFormat->SetLastInsertKey(static_cast<sal_uInt16>(nKey-CLOffset), SvNumberformat::FormatterPrivateAccess());
+            }
+        }
+    }
+    return bCheck;
+}
+
+bool SvNumberFormatter::PutandConvertEntry(OUString& rString,
+                                           sal_Int32& nCheckPos,
+                                           SvNumFormatType& nType,
+                                           sal_uInt32& nKey,
+                                           LanguageType eLnge,
+                                           LanguageType eNewLnge,
+                                           bool bConvertDateOrder,
+                                           bool bReplaceBooleanEquivalent )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    bool bRes;
+    if (eNewLnge == LANGUAGE_DONTKNOW)
+    {
+        eNewLnge = IniLnge;
+    }
+    pFormatScanner->SetConvertMode(eLnge, eNewLnge, false, bConvertDateOrder);
+    bRes = PutEntry(rString, nCheckPos, nType, nKey, eLnge, bReplaceBooleanEquivalent);
+    pFormatScanner->SetConvertMode(false);
+
+    if (bReplaceBooleanEquivalent && nCheckPos == 0 && nType == SvNumFormatType::DEFINED
+            && nKey != NUMBERFORMAT_ENTRY_NOT_FOUND)
+    {
+        // The boolean string formats are always "user defined" without any
+        // other type.
+        const SvNumberformat* pEntry = GetFormatEntry(nKey);
+        if (pEntry && pEntry->GetType() == SvNumFormatType::DEFINED)
+        {
+            // Replace boolean string format with Boolean in target locale, in
+            // case the source strings are the target locale's.
+            const OUString aSaveString = rString;
+            ChangeIntl(eNewLnge);
+            if (pFormatScanner->ReplaceBooleanEquivalent( rString))
+            {
+                const sal_Int32 nSaveCheckPos = nCheckPos;
+                const SvNumFormatType nSaveType = nType;
+                const sal_uInt32 nSaveKey = nKey;
+                const bool bTargetRes = PutEntry(rString, nCheckPos, nType, nKey, eNewLnge, false);
+                if (nCheckPos == 0 && nType == SvNumFormatType::LOGICAL && nKey != NUMBERFORMAT_ENTRY_NOT_FOUND)
+                {
+                    bRes = bTargetRes;
+                }
+                else
+                {
+                    SAL_WARN("svl.numbers", "SvNumberFormatter::PutandConvertEntry: can't scan boolean replacement");
+                    // Live with the source boolean string format.
+                    rString = aSaveString;
+                    nCheckPos = nSaveCheckPos;
+                    nType = nSaveType;
+                    nKey = nSaveKey;
+                }
+            }
+        }
+    }
+    return bRes;
+}
+
+bool SvNumberFormatter::PutandConvertEntrySystem(OUString& rString,
+                                                 sal_Int32& nCheckPos,
+                                                 SvNumFormatType& nType,
+                                                 sal_uInt32& nKey,
+                                                 LanguageType eLnge,
+                                                 LanguageType eNewLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    bool bRes;
+    if (eNewLnge == LANGUAGE_DONTKNOW)
+    {
+        eNewLnge = IniLnge;
+    }
+    pFormatScanner->SetConvertMode(eLnge, eNewLnge, true, true);
+    bRes = PutEntry(rString, nCheckPos, nType, nKey, eLnge);
+    pFormatScanner->SetConvertMode(false);
+    return bRes;
+}
+
+sal_uInt32 SvNumberFormatter::GetIndexPuttingAndConverting( OUString & rString, LanguageType eLnge,
+                                                            LanguageType eSysLnge, SvNumFormatType & rType,
+                                                            bool & rNewInserted, sal_Int32 & rCheckPos )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    sal_uInt32 nKey = NUMBERFORMAT_ENTRY_NOT_FOUND;
+    rNewInserted = false;
+    rCheckPos = 0;
+
+    // #62389# empty format string (of Writer) => General standard format
+    if (rString.isEmpty())
+    {
+        // nothing
+    }
+    else if (eLnge == LANGUAGE_SYSTEM && eSysLnge != SvtSysLocale().GetLanguageTag().getLanguageType())
+    {
+        sal_uInt32 nOrig = GetEntryKey( rString, eSysLnge );
+        if (nOrig == NUMBERFORMAT_ENTRY_NOT_FOUND)
+        {
+            nKey = nOrig;   // none available, maybe user-defined
+        }
+        else
+        {
+            nKey = GetFormatForLanguageIfBuiltIn( nOrig, SvtSysLocale().GetLanguageTag().getLanguageType() );
+        }
+        if (nKey == nOrig)
+        {
+            // Not a builtin format, convert.
+            // The format code string may get modified and adapted to the real
+            // language and wouldn't match eSysLnge anymore, do that on a copy.
+            OUString aTmp( rString);
+            rNewInserted = PutandConvertEntrySystem( aTmp, rCheckPos, rType,
+                                                     nKey, eLnge, SvtSysLocale().GetLanguageTag().getLanguageType());
+            if (rCheckPos > 0)
+            {
+                SAL_WARN( "svl.numbers", "SvNumberFormatter::GetIndexPuttingAndConverting: bad format code string for current locale");
+                nKey = NUMBERFORMAT_ENTRY_NOT_FOUND;
+            }
+        }
+    }
+    else
+    {
+        nKey = GetEntryKey( rString, eLnge);
+        if (nKey == NUMBERFORMAT_ENTRY_NOT_FOUND)
+        {
+            rNewInserted = PutEntry( rString, rCheckPos, rType, nKey, eLnge);
+            if (rCheckPos > 0)
+            {
+                SAL_WARN( "svl.numbers", "SvNumberFormatter::GetIndexPuttingAndConverting: bad format code string for specified locale");
+                nKey = NUMBERFORMAT_ENTRY_NOT_FOUND;
+            }
+        }
+    }
+    if (nKey == NUMBERFORMAT_ENTRY_NOT_FOUND)
+    {
+        nKey = GetStandardIndex( eLnge);
+    }
+    rType = GetType( nKey);
+    // Convert any (!) old "automatic" currency format to new fixed currency
+    // default format.
+    if (rType & SvNumFormatType::CURRENCY)
+    {
+        const SvNumberformat* pFormat = GetEntry( nKey);
+        if (!pFormat->HasNewCurrency())
+        {
+            if (rNewInserted)
+            {
+                DeleteEntry( nKey);     // don't leave trails of rubbish
+                rNewInserted = false;
+            }
+            nKey = GetStandardFormat( SvNumFormatType::CURRENCY, eLnge);
+        }
+    }
+    return nKey;
+}
+
+void SvNumberFormatter::DeleteEntry(sal_uInt32 nKey)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    aFTable.erase(nKey);
+}
+
+void SvNumberFormatter::GetUsedLanguages( std::vector<LanguageType>& rList )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    rList.clear();
+
+    sal_uInt32 nOffset = 0;
+    while (nOffset <= MaxCLOffset)
+    {
+        SvNumberformat* pFormat = GetFormatEntry(nOffset);
+        if (pFormat)
+        {
+            rList.push_back( pFormat->GetLanguage() );
+        }
+        nOffset += SV_COUNTRY_LANGUAGE_OFFSET;
+    }
+}
+
+
+void SvNumberFormatter::FillKeywordTable( NfKeywordTable& rKeywords,
+                                          LanguageType eLang )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    ChangeIntl( eLang );
+    const NfKeywordTable & rTable = pFormatScanner->GetKeywords();
+    for ( sal_uInt16 i = 0; i < NF_KEYWORD_ENTRIES_COUNT; ++i )
+    {
+        rKeywords[i] = rTable[i];
+    }
+}
+
+
+void SvNumberFormatter::FillKeywordTableForExcel( NfKeywordTable& rKeywords )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    FillKeywordTable( rKeywords, LANGUAGE_ENGLISH_US );
+
+    // Replace upper case "GENERAL" with proper case "General".
+    rKeywords[ NF_KEY_GENERAL ] = GetStandardName( LANGUAGE_ENGLISH_US );
+
+    // Excel or OOXML do not specify format code keywords case sensitivity,
+    // but given and writes them lower case. Using upper case even lead to an
+    // odd misrepresentation in iOS viewer and OSX Quicklook viewer that
+    // strangely use "D" and "DD" for "days since beginning of year", which is
+    // nowhere defined. See tdf#126773
+    // Use lower case for all date and time keywords where known. See OOXML
+    // ECMA-376-1:2016 18.8.31 numFmts (Number Formats)
+    rKeywords[ NF_KEY_MI ]    = "m";
+    rKeywords[ NF_KEY_MMI ]   = "mm";
+    rKeywords[ NF_KEY_M ]     = "m";
+    rKeywords[ NF_KEY_MM ]    = "mm";
+    rKeywords[ NF_KEY_MMM ]   = "mmm";
+    rKeywords[ NF_KEY_MMMM ]  = "mmmm";
+    rKeywords[ NF_KEY_MMMMM ] = "mmmmm";
+    rKeywords[ NF_KEY_H ]     = "h";
+    rKeywords[ NF_KEY_HH ]    = "hh";
+    rKeywords[ NF_KEY_S ]     = "s";
+    rKeywords[ NF_KEY_SS ]    = "ss";
+    /* XXX: not defined in OOXML: rKeywords[ NF_KEY_Q ]     = "q"; */
+    /* XXX: not defined in OOXML: rKeywords[ NF_KEY_QQ ]    = "qq"; */
+    rKeywords[ NF_KEY_D ]     = "d";
+    rKeywords[ NF_KEY_DD ]    = "dd";
+    rKeywords[ NF_KEY_DDD ]   = "ddd";
+    rKeywords[ NF_KEY_DDDD ]  = "dddd";
+    rKeywords[ NF_KEY_YY ]    = "yy";
+    rKeywords[ NF_KEY_YYYY ]  = "yyyy";
+    /* XXX: not defined in OOXML: rKeywords[ NF_KEY_AAA ]   = "aaa"; */
+    /* XXX: not defined in OOXML: rKeywords[ NF_KEY_AAAA ]  = "aaaa"; */
+    rKeywords[ NF_KEY_EC ]    = "e";
+    rKeywords[ NF_KEY_EEC ]   = "ee";
+    rKeywords[ NF_KEY_G ]     = "g";
+    rKeywords[ NF_KEY_GG ]    = "gg";
+    rKeywords[ NF_KEY_GGG ]   = "ggg";
+    rKeywords[ NF_KEY_R ]     = "r";
+    rKeywords[ NF_KEY_RR ]    = "rr";
+    /* XXX: not defined in OOXML: rKeywords[ NF_KEY_WW ]    = "ww"; */
+
+    // Remap codes unknown to Excel.
+    rKeywords[ NF_KEY_NN ] = "ddd";
+    rKeywords[ NF_KEY_NNN ] = "dddd";
+    // NNNN gets a separator appended in SvNumberformat::GetMappedFormatString()
+    rKeywords[ NF_KEY_NNNN ] = "dddd";
+    // Export the Thai T NatNum modifier. This must be uppercase for internal reasons.
+    rKeywords[ NF_KEY_THAI_T ] = "T";
+}
+
+
+static OUString lcl_buildBooleanStringFormat( SvNumberformat* pEntry )
+{
+    // Build Boolean number format, which needs non-zero and zero subformat
+    // codes with TRUE and FALSE strings.
+    const Color* pColor = nullptr;
+    OUString aFormatStr, aTemp;
+    pEntry->GetOutputString( 1.0, aTemp, &pColor );
+    aFormatStr += "\"" + aTemp + "\";\"" + aTemp + "\";\"";
+    pEntry->GetOutputString( 0.0, aTemp, &pColor );
+    aFormatStr += aTemp + "\"";
+    return aFormatStr;
+}
+
+
+OUString SvNumberFormatter::GetFormatStringForExcel( sal_uInt32 nKey, const NfKeywordTable& rKeywords,
+        SvNumberFormatter& rTempFormatter ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    OUString aFormatStr;
+    if (const SvNumberformat* pEntry = GetEntry( nKey))
+    {
+        if (pEntry->GetType() == SvNumFormatType::LOGICAL)
+        {
+            // Build a source locale dependent string boolean. This is
+            // expected when loading the document in the same locale or if
+            // several locales are used, but not for other system/default
+            // locales. You can't have both. We could force to English for all
+            // locales like below, but Excel would display English strings then
+            // even for the system locale matching this locale. YMMV.
+            aFormatStr = lcl_buildBooleanStringFormat( const_cast< SvNumberformat* >(pEntry));
+        }
+        else
+        {
+            bool bSystemLanguage = false;
+            LanguageType nLang = pEntry->GetLanguage();
+            if (nLang == LANGUAGE_SYSTEM)
+            {
+                bSystemLanguage = true;
+                nLang = SvtSysLocale().GetLanguageTag().getLanguageType();
+            }
+            if (nLang != LANGUAGE_ENGLISH_US)
+            {
+                sal_Int32 nCheckPos;
+                SvNumFormatType nType = SvNumFormatType::DEFINED;
+                sal_uInt32 nTempKey;
+                OUString aTemp( pEntry->GetFormatstring());
+                /* TODO: do we want bReplaceBooleanEquivalent=true in any case
+                 * to write it as English string boolean? */
+                rTempFormatter.PutandConvertEntry( aTemp, nCheckPos, nType, nTempKey, nLang, LANGUAGE_ENGLISH_US,
+                        false /*bConvertDateOrder*/, false /*bReplaceBooleanEquivalent*/);
+                SAL_WARN_IF( nCheckPos != 0, "svl.numbers",
+                        "SvNumberFormatter::GetFormatStringForExcel - format code not convertible");
+                if (nTempKey != NUMBERFORMAT_ENTRY_NOT_FOUND)
+                    pEntry = rTempFormatter.GetEntry( nTempKey);
+            }
+
+            if (pEntry)
+            {
+                if (pEntry->GetType() == SvNumFormatType::LOGICAL)
+                {
+                    // This would be reached if bReplaceBooleanEquivalent was
+                    // true and the source format is a string boolean like
+                    // >"VRAI";"VRAI";"FAUX"< recognized as real boolean and
+                    // properly converted. Then written as
+                    // >"TRUE";"TRUE";"FALSE"<
+                    aFormatStr = lcl_buildBooleanStringFormat( const_cast< SvNumberformat* >(pEntry));
+                }
+                else
+                {
+                    // GetLocaleData() returns the current locale's data, so switch
+                    // before (which doesn't do anything if it was the same locale
+                    // already).
+                    rTempFormatter.ChangeIntl( LANGUAGE_ENGLISH_US);
+                    aFormatStr = pEntry->GetMappedFormatstring( rKeywords, *rTempFormatter.GetLocaleData(), nLang,
+                            bSystemLanguage);
+                }
+            }
+        }
+    }
+    else
+    {
+        SAL_WARN("svl.numbers","SvNumberFormatter::GetFormatStringForExcel - format not found: " << nKey);
+    }
+
+    if (aFormatStr.isEmpty())
+        aFormatStr = "General";
+    return aFormatStr;
+}
+
+
+OUString SvNumberFormatter::GetKeyword( LanguageType eLnge, sal_uInt16 nIndex )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    ChangeIntl(eLnge);
+    const NfKeywordTable & rTable = pFormatScanner->GetKeywords();
+    if ( nIndex < NF_KEYWORD_ENTRIES_COUNT )
+    {
+        return rTable[nIndex];
+    }
+    SAL_WARN( "svl.numbers", "GetKeyword: invalid index");
+    return OUString();
+}
+
+
+OUString SvNumberFormatter::GetStandardName( LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    ChangeIntl( eLnge );
+    return pFormatScanner->GetStandardName();
+}
+
+
+sal_uInt32 SvNumberFormatter::ImpGetCLOffset(LanguageType eLnge) const
+{
+    sal_uInt32 nOffset = 0;
+    while (nOffset <= MaxCLOffset)
+    {
+        const SvNumberformat* pFormat = GetFormatEntry(nOffset);
+        if (pFormat && pFormat->GetLanguage() == eLnge)
+        {
+            return nOffset;
+        }
+        nOffset += SV_COUNTRY_LANGUAGE_OFFSET;
+    }
+    return nOffset;
+}
+
+sal_uInt32 SvNumberFormatter::ImpIsEntry(std::u16string_view rString,
+                                         sal_uInt32 nCLOffset,
+                                         LanguageType eLnge)
+{
+    sal_uInt32 res = NUMBERFORMAT_ENTRY_NOT_FOUND;
+    auto it = aFTable.find( nCLOffset);
+    while ( res == NUMBERFORMAT_ENTRY_NOT_FOUND &&
+            it != aFTable.end() && it->second->GetLanguage() == eLnge )
+    {
+        if ( rString == it->second->GetFormatstring() )
+        {
+            res = it->first;
+        }
+        else
+        {
+            ++it;
+        }
+    }
+    return res;
+}
+
+
+SvNumberFormatTable& SvNumberFormatter::GetFirstEntryTable(
+                                                      SvNumFormatType& eType,
+                                                      sal_uInt32& FIndex,
+                                                      LanguageType& rLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    SvNumFormatType eTypetmp = eType;
+    if (eType == SvNumFormatType::ALL)                  // empty cell or don't care
+    {
+        rLnge = IniLnge;
+    }
+    else
+    {
+        SvNumberformat* pFormat = GetFormatEntry(FIndex);
+        if (!pFormat)
+        {
+            rLnge = IniLnge;
+            eType = SvNumFormatType::ALL;
+            eTypetmp = eType;
+        }
+        else
+        {
+            rLnge = pFormat->GetLanguage();
+            eType = pFormat->GetMaskedType();
+            if (eType == SvNumFormatType::ALL)
+            {
+                eType = SvNumFormatType::DEFINED;
+                eTypetmp = eType;
+            }
+            else if (eType == SvNumFormatType::DATETIME)
+            {
+                eTypetmp = eType;
+                eType = SvNumFormatType::DATE;
+            }
+            else
+            {
+                eTypetmp = eType;
+            }
+        }
+    }
+    ChangeIntl(rLnge);
+    return GetEntryTable(eTypetmp, FIndex, rLnge);
+}
+
+sal_uInt32 SvNumberFormatter::ImpGenerateCL( LanguageType eLnge )
+{
+    ChangeIntl(eLnge);
+    sal_uInt32 CLOffset = ImpGetCLOffset(ActLnge);
+    if (CLOffset > MaxCLOffset)
+    {
+        // new CL combination
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            const LanguageTag& rLoadedLocale = xLocaleData->getLoadedLanguageTag();
+            if ( !rLoadedLocale.equals( maLanguageTag ) )
+            {
+                LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( u"SvNumberFormatter::ImpGenerateCL: locales don't match:" ));
+            }
+            // test XML locale data FormatElement entries
+            {
+                uno::Sequence< i18n::FormatElement > xSeq = xLocaleData->getAllFormats();
+                // A test for completeness of formatindex="0" ...
+                // formatindex="47" is not needed here since it is done in
+                // ImpGenerateFormats().
+
+                // Test for dupes of formatindex="..."
+                for ( sal_Int32 j = 0; j < xSeq.getLength(); j++ )
+                {
+                    sal_Int16 nIdx = xSeq[j].formatIndex;
+                    OUStringBuffer aDupes;
+                    for ( sal_Int32 i = 0; i < xSeq.getLength(); i++ )
+                    {
+                        if ( i != j && xSeq[i].formatIndex == nIdx )
+                        {
+                            aDupes.append( OUString::number(i) + "(" + xSeq[i].formatKey + ") ");
+                        }
+                    }
+                    if ( !aDupes.isEmpty() )
+                    {
+                        OUString aMsg = "XML locale data FormatElement formatindex dupe: "
+                                      + OUString::number(nIdx)
+                                      + "\nFormatElements: "
+                                      + OUString::number( j )
+                                      + "("
+                                      + xSeq[j].formatKey
+                                      + ") "
+                                      + aDupes;
+                        LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg ));
+                    }
+                }
+            }
+        }
+
+        MaxCLOffset += SV_COUNTRY_LANGUAGE_OFFSET;
+        ImpGenerateFormats( MaxCLOffset, false/*bNoAdditionalFormats*/ );
+        CLOffset = MaxCLOffset;
+    }
+    return CLOffset;
+}
+
+SvNumberFormatTable& SvNumberFormatter::ChangeCL(SvNumFormatType eType,
+                                                 sal_uInt32& FIndex,
+                                                 LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    ImpGenerateCL(eLnge);
+    return GetEntryTable(eType, FIndex, ActLnge);
+}
+
+SvNumberFormatTable& SvNumberFormatter::GetEntryTable(
+                                                    SvNumFormatType eType,
+                                                    sal_uInt32& FIndex,
+                                                    LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( pFormatTable )
+    {
+        pFormatTable->clear();
+    }
+    else
+    {
+        pFormatTable.reset( new SvNumberFormatTable );
+    }
+    ChangeIntl(eLnge);
+    sal_uInt32 CLOffset = ImpGetCLOffset(ActLnge);
+
+    // Might generate and insert a default format for the given type
+    // (e.g. currency) => has to be done before collecting formats.
+    sal_uInt32 nDefaultIndex = GetStandardFormat( eType, ActLnge );
+
+    auto it = aFTable.find( CLOffset);
+
+    if (eType == SvNumFormatType::ALL)
+    {
+        while (it != aFTable.end() && it->second->GetLanguage() == ActLnge)
+        {   // copy all entries to output table
+            (*pFormatTable)[ it->first ] = it->second.get();
+            ++it;
+        }
+    }
+    else
+    {
+        while (it != aFTable.end() && it->second->GetLanguage() == ActLnge)
+        {   // copy entries of queried type to output table
+            if ((it->second->GetType()) & eType)
+                (*pFormatTable)[ it->first ] = it->second.get();
+            ++it;
+        }
+    }
+    if ( !pFormatTable->empty() )
+    {   // select default if queried format doesn't exist or queried type or
+        // language differ from existing format
+        SvNumberformat* pEntry = GetFormatEntry(FIndex);
+        if ( !pEntry || !(pEntry->GetType() & eType) || pEntry->GetLanguage() != ActLnge )
+        {
+            FIndex = nDefaultIndex;
+        }
+    }
+    return *pFormatTable;
+}
+
+bool SvNumberFormatter::IsNumberFormat(const OUString& sString,
+                                       sal_uInt32& F_Index,
+                                       double& fOutNumber,
+                                       SvNumInputOptions eInputOptions)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+
+    SvNumFormatType FType;
+    // For the 0 General format directly use the init/system locale and avoid
+    // all overhead that is associated with a format passed to the scanner.
+    const SvNumberformat* pFormat = (F_Index == 0 ? nullptr : ImpSubstituteEntry( GetFormatEntry(F_Index)));
+    if (!pFormat)
+    {
+        ChangeIntl(IniLnge);
+        FType = SvNumFormatType::NUMBER;
+    }
+    else
+    {
+        FType = pFormat->GetMaskedType();
+        if (FType == SvNumFormatType::ALL)
+        {
+            FType = SvNumFormatType::DEFINED;
+        }
+        ChangeIntl(pFormat->GetLanguage());
+        // Avoid scanner overhead with the General format of any locale.
+        // These are never substituted above so safe to ignore.
+        if ((F_Index % SV_COUNTRY_LANGUAGE_OFFSET) == 0)
+        {
+            assert(FType == SvNumFormatType::NUMBER);
+            pFormat = nullptr;
+        }
+    }
+
+    bool res;
+    SvNumFormatType RType = FType;
+    if (RType == SvNumFormatType::TEXT)
+    {
+        res = false;        // type text preset => no conversion to number
+    }
+    else
+    {
+        res = pStringScanner->IsNumberFormat(sString, RType, fOutNumber, pFormat, eInputOptions);
+    }
+    if (res && !IsCompatible(FType, RType))     // non-matching type
+    {
+        switch ( RType )
+        {
+        case SvNumFormatType::DATE :
+            // Preserve ISO 8601 input.
+            if (pStringScanner->CanForceToIso8601( DateOrder::Invalid))
+            {
+                F_Index = GetFormatIndex( NF_DATE_DIN_YYYYMMDD, ActLnge );
+            }
+            else
+            {
+                F_Index = GetStandardFormat( RType, ActLnge );
+            }
+            break;
+        case SvNumFormatType::TIME :
+            if ( pStringScanner->GetDecPos() )
+            {
+                // 100th seconds
+                if ( pStringScanner->GetNumericsCount() > 3 || fOutNumber < 0.0 )
+                {
+                    F_Index = GetFormatIndex( NF_TIME_HH_MMSS00, ActLnge );
+                }
+                else
+                {
+                    F_Index = GetFormatIndex( NF_TIME_MMSS00, ActLnge );
+                }
+            }
+            else if ( fOutNumber >= 1.0 || fOutNumber < 0.0 )
+            {
+                F_Index = GetFormatIndex( NF_TIME_HH_MMSS, ActLnge );
+            }
+            else
+            {
+                F_Index = GetStandardFormat( RType, ActLnge );
+            }
+            break;
+        case SvNumFormatType::DATETIME :
+            // Preserve ISO 8601 input.
+            if (pStringScanner->HasIso8601Tsep())
+            {
+                if (pStringScanner->GetDecPos())
+                    F_Index = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS000, ActLnge );
+                else
+                    F_Index = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS, ActLnge );
+            }
+            else if (pStringScanner->CanForceToIso8601( DateOrder::Invalid))
+            {
+                if (pStringScanner->GetDecPos())
+                    F_Index = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS000, ActLnge );
+                else
+                    F_Index = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS, ActLnge );
+            }
+            else
+            {
+                F_Index = GetStandardFormat( RType, ActLnge );
+            }
+            break;
+        default:
+            F_Index = GetStandardFormat( RType, ActLnge );
+        }
+    }
+    return res;
+}
+
+LanguageType SvNumberFormatter::GetLanguage() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return IniLnge;
+}
+
+// static
+bool SvNumberFormatter::IsCompatible(SvNumFormatType eOldType, SvNumFormatType eNewType)
+{
+    if (eOldType == eNewType)
+    {
+        return true;
+    }
+    else if (eOldType == SvNumFormatType::DEFINED)
+    {
+        return true;
+    }
+    else
+    {
+        switch (eNewType)
+        {
+        case SvNumFormatType::NUMBER:
+            switch (eOldType)
+            {
+            case SvNumFormatType::PERCENT:
+            case SvNumFormatType::CURRENCY:
+            case SvNumFormatType::SCIENTIFIC:
+            case SvNumFormatType::FRACTION:
+            case SvNumFormatType::DEFINED:
+                return true;
+            case SvNumFormatType::LOGICAL:
+            default:
+                return false;
+            }
+            break;
+        case SvNumFormatType::DATE:
+            switch (eOldType)
+            {
+            case SvNumFormatType::DATETIME:
+                return true;
+            default:
+                return false;
+            }
+            break;
+        case SvNumFormatType::TIME:
+            switch (eOldType)
+            {
+            case SvNumFormatType::DATETIME:
+                return true;
+            default:
+                return false;
+            }
+            break;
+        case SvNumFormatType::DATETIME:
+            switch (eOldType)
+            {
+            case SvNumFormatType::TIME:
+            case SvNumFormatType::DATE:
+                return true;
+            default:
+                return false;
+            }
+            break;
+        case SvNumFormatType::DURATION:
+            return false;
+        default:
+            return false;
+        }
+    }
+}
+
+
+sal_uInt32 SvNumberFormatter::ImpGetDefaultFormat( SvNumFormatType nType )
+{
+    sal_uInt32 CLOffset = ImpGetCLOffset( ActLnge );
+    sal_uInt32 nSearch;
+    switch( nType )
+    {
+    case SvNumFormatType::DATE:
+        nSearch = CLOffset + ZF_STANDARD_DATE;
+        break;
+    case SvNumFormatType::TIME:
+        nSearch = CLOffset + ZF_STANDARD_TIME;
+        break;
+    case SvNumFormatType::DATETIME:
+        nSearch = CLOffset + ZF_STANDARD_DATETIME;
+        break;
+    case SvNumFormatType::DURATION:
+        nSearch = CLOffset + ZF_STANDARD_DURATION;
+        break;
+    case SvNumFormatType::PERCENT:
+        nSearch = CLOffset + ZF_STANDARD_PERCENT;
+        break;
+    case SvNumFormatType::SCIENTIFIC:
+        nSearch = CLOffset + ZF_STANDARD_SCIENTIFIC;
+        break;
+    default:
+        nSearch = CLOffset + ZF_STANDARD;
+    }
+
+    DefaultFormatKeysMap::const_iterator it = aDefaultFormatKeys.find( nSearch);
+    sal_uInt32 nDefaultFormat = (it != aDefaultFormatKeys.end() ?
+                                 it->second : NUMBERFORMAT_ENTRY_NOT_FOUND);
+    if ( nDefaultFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+    {
+        // look for a defined standard
+        sal_uInt32 nStopKey = CLOffset + SV_COUNTRY_LANGUAGE_OFFSET;
+        sal_uInt32 nKey(0);
+        auto it2 = aFTable.find( CLOffset );
+        while ( it2 != aFTable.end() && (nKey = it2->first ) >= CLOffset && nKey < nStopKey )
+        {
+            const SvNumberformat* pEntry = it2->second.get();
+            if ( pEntry->IsStandard() && (pEntry->GetMaskedType() == nType) )
+            {
+                nDefaultFormat = nKey;
+                break;  // while
+            }
+            ++it2;
+        }
+
+        if ( nDefaultFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+        {   // none found, use old fixed standards
+            switch( nType )
+            {
+            case SvNumFormatType::DATE:
+                nDefaultFormat = CLOffset + ZF_STANDARD_DATE;
+                break;
+            case SvNumFormatType::TIME:
+                nDefaultFormat = CLOffset + ZF_STANDARD_TIME+1;
+                break;
+            case SvNumFormatType::DATETIME:
+                nDefaultFormat = CLOffset + ZF_STANDARD_DATETIME;
+                break;
+            case SvNumFormatType::DURATION:
+                nDefaultFormat = CLOffset + ZF_STANDARD_DURATION;
+                break;
+            case SvNumFormatType::PERCENT:
+                nDefaultFormat = CLOffset + ZF_STANDARD_PERCENT+1;
+                break;
+            case SvNumFormatType::SCIENTIFIC:
+                nDefaultFormat = CLOffset + ZF_STANDARD_SCIENTIFIC;
+                break;
+            default:
+                nDefaultFormat = CLOffset + ZF_STANDARD;
+            }
+        }
+        aDefaultFormatKeys[ nSearch ] = nDefaultFormat;
+    }
+    return nDefaultFormat;
+}
+
+
+sal_uInt32 SvNumberFormatter::GetStandardFormat( SvNumFormatType eType, LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    sal_uInt32 CLOffset = ImpGenerateCL(eLnge);
+    switch(eType)
+    {
+    case SvNumFormatType::CURRENCY:
+        return ( eLnge == LANGUAGE_SYSTEM ) ? ImpGetDefaultSystemCurrencyFormat() : ImpGetDefaultCurrencyFormat();
+    case SvNumFormatType::DURATION :
+        return GetFormatIndex( NF_TIME_HH_MMSS, eLnge);
+    case SvNumFormatType::DATE:
+    case SvNumFormatType::TIME:
+    case SvNumFormatType::DATETIME:
+    case SvNumFormatType::PERCENT:
+    case SvNumFormatType::SCIENTIFIC:
+        return ImpGetDefaultFormat( eType );
+    case SvNumFormatType::FRACTION:
+        return CLOffset + ZF_STANDARD_FRACTION;
+    case SvNumFormatType::LOGICAL:
+        return CLOffset + ZF_STANDARD_LOGICAL;
+    case SvNumFormatType::TEXT:
+        return CLOffset + ZF_STANDARD_TEXT;
+    case SvNumFormatType::ALL:
+    case SvNumFormatType::DEFINED:
+    case SvNumFormatType::NUMBER:
+    case SvNumFormatType::UNDEFINED:
+    default:
+        return CLOffset + ZF_STANDARD;
+    }
+}
+
+bool SvNumberFormatter::IsSpecialStandardFormat( sal_uInt32 nFIndex,
+                                                 LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return
+        nFIndex == GetFormatIndex( NF_TIME_MMSS00, eLnge ) ||
+        nFIndex == GetFormatIndex( NF_TIME_HH_MMSS00, eLnge ) ||
+        nFIndex == GetFormatIndex( NF_TIME_HH_MMSS, eLnge )
+        ;
+}
+
+sal_uInt32 SvNumberFormatter::GetStandardFormat( sal_uInt32 nFIndex, SvNumFormatType eType,
+                                                 LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( IsSpecialStandardFormat( nFIndex, eLnge ) )
+        return nFIndex;
+    else
+        return GetStandardFormat( eType, eLnge );
+}
+
+sal_uInt32 SvNumberFormatter::GetTimeFormat( double fNumber, LanguageType eLnge, bool bForceDuration )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    bool bSign;
+    if ( fNumber < 0.0 )
+    {
+        bSign = true;
+        fNumber = -fNumber;
+    }
+    else
+        bSign = false;
+    double fSeconds = fNumber * 86400;
+    if ( floor( fSeconds + 0.5 ) * 100 != floor( fSeconds * 100 + 0.5 ) )
+    {   // with 100th seconds
+        if ( bForceDuration || bSign || fSeconds >= 3600 )
+            return GetFormatIndex( NF_TIME_HH_MMSS00, eLnge );
+        else
+            return GetFormatIndex( NF_TIME_MMSS00, eLnge );
+    }
+    else
+    {
+        if ( bForceDuration || bSign || fNumber >= 1.0 )
+            return GetFormatIndex( NF_TIME_HH_MMSS, eLnge );
+        else
+            return GetStandardFormat( SvNumFormatType::TIME, eLnge );
+    }
+}
+
+sal_uInt32 SvNumberFormatter::GetStandardFormat( double fNumber, sal_uInt32 nFIndex,
+                                                 SvNumFormatType eType, LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( IsSpecialStandardFormat( nFIndex, eLnge ) )
+        return nFIndex;
+
+    switch( eType )
+    {
+        case SvNumFormatType::DURATION :
+            return GetTimeFormat( fNumber, eLnge, true);
+        case SvNumFormatType::TIME :
+            return GetTimeFormat( fNumber, eLnge, false);
+        default:
+            return GetStandardFormat( eType, eLnge );
+    }
+}
+
+sal_uInt32 SvNumberFormatter::GuessDateTimeFormat( SvNumFormatType& rType, double fNumber, LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    // Categorize the format according to the implementation of
+    // SvNumberFormatter::GetEditFormat(), making assumptions about what
+    // would be time only.
+    sal_uInt32 nRet;
+    if (0.0 <= fNumber && fNumber < 1.0)
+    {
+        // Clearly a time.
+        rType = SvNumFormatType::TIME;
+        nRet = GetTimeFormat( fNumber, eLnge, false);
+    }
+    else if (fabs( fNumber) * 24 < 0x7fff)
+    {
+        // Assuming duration within 32k hours or 3.7 years.
+        // This should be SvNumFormatType::DURATION instead, but the outer
+        // world can't cope with that.
+        rType = SvNumFormatType::TIME;
+        nRet = GetTimeFormat( fNumber, eLnge, true);
+    }
+    else if (rtl::math::approxFloor( fNumber) != fNumber)
+    {
+        // Date+Time.
+        rType = SvNumFormatType::DATETIME;
+        nRet = GetFormatIndex( NF_DATETIME_SYS_DDMMYYYY_HHMMSS, eLnge);
+    }
+    else
+    {
+        // Date only.
+        rType = SvNumFormatType::DATE;
+        nRet = GetFormatIndex( NF_DATE_SYS_DDMMYYYY, eLnge);
+    }
+    return nRet;
+}
+
+sal_uInt32 SvNumberFormatter::GetEditFormat( double fNumber, sal_uInt32 nFIndex,
+                                             SvNumFormatType eType,
+                                             SvNumberformat const * pFormat,
+                                             LanguageType eForLocale )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const LanguageType eLang = (pFormat ? pFormat->GetLanguage() : LANGUAGE_SYSTEM);
+    if (eForLocale == LANGUAGE_DONTKNOW)
+        eForLocale = eLang;
+    sal_uInt32 nKey = nFIndex;
+    switch ( eType )
+    {
+    // #61619# always edit using 4-digit year
+    case SvNumFormatType::DATE :
+        {
+            // Preserve ISO 8601 format.
+            bool bIsoDate =
+                nFIndex == GetFormatIndex( NF_DATE_DIN_YYYYMMDD, eLang) ||
+                nFIndex == GetFormatIndex( NF_DATE_DIN_YYMMDD, eLang) ||
+                nFIndex == GetFormatIndex( NF_DATE_DIN_MMDD, eLang) ||
+                (pFormat && pFormat->IsIso8601( 0 ));
+            if (rtl::math::approxFloor( fNumber) != fNumber)
+            {
+                // fdo#34977 preserve time when editing even if only date was
+                // displayed.
+                if (bIsoDate)
+                    nKey = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS, eForLocale);
+                else
+                    nKey = GetFormatIndex( NF_DATETIME_SYS_DDMMYYYY_HHMMSS, eForLocale );
+            }
+            else
+            {
+                if (bIsoDate)
+                    nKey = GetFormatIndex( NF_DATE_ISO_YYYYMMDD, eForLocale);
+                else
+                    nKey = GetFormatIndex( NF_DATE_SYS_DDMMYYYY, eForLocale );
+            }
+        }
+        break;
+    case SvNumFormatType::TIME :
+        if (fNumber < 0.0 || fNumber >= 1.0)
+        {
+            /* XXX NOTE: this is a purely arbitrary value within the limits
+             * of a signed 16-bit. 32k hours are 3.7 years ... or
+             * 1903-09-26 if date. */
+            if (fabs( fNumber) * 24 < 0x7fff)
+                nKey = GetTimeFormat( fNumber, eForLocale, true);
+            // Preserve duration, use [HH]:MM:SS instead of time.
+            else
+                nKey = GetFormatIndex( NF_DATETIME_SYS_DDMMYYYY_HHMMSS, eForLocale );
+            // Assume that a large value is a datetime with only time
+            // displayed.
+        }
+        else
+            nKey = GetStandardFormat( fNumber, nFIndex, eType, eForLocale );
+        break;
+    case SvNumFormatType::DURATION :
+        nKey = GetTimeFormat( fNumber, eForLocale, true);
+        break;
+    case SvNumFormatType::DATETIME :
+        if (nFIndex == GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS, eLang))
+            nKey = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS, eForLocale );
+        else if (nFIndex == GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS000, eLang))
+            nKey = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDDTHHMMSS000, eForLocale );
+        else if (nFIndex == GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS000, eLang))
+            nKey = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS000, eForLocale );
+        else if (nFIndex == GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS, eLang) || (pFormat && pFormat->IsIso8601( 0 )))
+            nKey = GetFormatIndex( NF_DATETIME_ISO_YYYYMMDD_HHMMSS, eForLocale );
+        else
+            nKey = GetFormatIndex( NF_DATETIME_SYS_DDMMYYYY_HHMMSS, eForLocale );
+        break;
+    case SvNumFormatType::NUMBER:
+        nKey = GetStandardFormat( eType, eForLocale );
+        break;
+    default:
+        nKey = GetStandardFormat( fNumber, nFIndex, eType, eForLocale );
+    }
+    return nKey;
+}
+
+void SvNumberFormatter::GetInputLineString(const double& fOutNumber,
+                                           sal_uInt32 nFIndex,
+                                           OUString& sOutString,
+                                           bool bFiltering, bool bForceSystemLocale)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const Color* pColor;
+    sal_uInt32 nRealKey = nFIndex;
+    SvNumberformat* pFormat = ImpSubstituteEntry( GetFormatEntry( nFIndex ), &nRealKey);
+    if (!pFormat)
+    {
+        pFormat = GetFormatEntry(ZF_STANDARD);
+    }
+
+    LanguageType eLang = pFormat->GetLanguage();
+    ChangeIntl( eLang );
+
+    SvNumFormatType eType = pFormat->GetMaskedType();
+    if (eType == SvNumFormatType::ALL)
+    {
+        // Mixed types in subformats, use first.
+        /* XXX we could choose a subformat according to fOutNumber and
+         * subformat conditions, but they may exist to suppress 0 or negative
+         * numbers so wouldn't be a safe bet. */
+        eType = pFormat->GetNumForInfoScannedType(0);
+    }
+    const SvNumFormatType eTypeOrig = eType;
+
+    sal_uInt16 nOldPrec = pFormatScanner->GetStandardPrec();
+    bool bPrecChanged = false;
+    if (eType == SvNumFormatType::NUMBER ||
+        eType == SvNumFormatType::PERCENT ||
+        eType == SvNumFormatType::CURRENCY ||
+        eType == SvNumFormatType::SCIENTIFIC ||
+        eType == SvNumFormatType::FRACTION)
+    {
+        if (eType != SvNumFormatType::PERCENT)  // special treatment of % later
+        {
+            eType = SvNumFormatType::NUMBER;
+        }
+        ChangeStandardPrec(INPUTSTRING_PRECISION);
+        bPrecChanged = true;
+    }
+
+    // if bFiltering true keep the nRealKey format
+    if (!bFiltering)
+    {
+        sal_uInt32 nKey = GetEditFormat( fOutNumber, nRealKey, eType, pFormat,
+                                         bForceSystemLocale ? LANGUAGE_SYSTEM : LANGUAGE_DONTKNOW);
+        if (nKey != nRealKey)
+        {
+            pFormat = GetFormatEntry( nKey );
+        }
+    }
+    assert(pFormat);
+    if (pFormat)
+    {
+        if ( eType == SvNumFormatType::TIME && pFormat->GetFormatPrecision() )
+        {
+            ChangeStandardPrec(INPUTSTRING_PRECISION);
+            bPrecChanged = true;
+        }
+        pFormat->GetOutputString(fOutNumber, sOutString, &pColor);
+
+        // The #FMT error string must not be used for input as it would lead to
+        // data loss. This can happen for at least date(+time). Fall back to a
+        // last resort of plain number in the locale the formatter was
+        // constructed with.
+        if (eTypeOrig != SvNumFormatType::NUMBER && sOutString == ImpSvNumberformatScan::sErrStr)
+        {
+            pFormat = GetFormatEntry(ZF_STANDARD);
+            assert(pFormat);
+            if (pFormat)
+            {
+                ChangeStandardPrec(INPUTSTRING_PRECISION);
+                bPrecChanged = true;
+                pFormat->GetOutputString(fOutNumber, sOutString, &pColor);
+            }
+        }
+        assert(sOutString != ImpSvNumberformatScan::sErrStr);
+    }
+    if (bPrecChanged)
+    {
+        ChangeStandardPrec(nOldPrec);
+    }
+}
+
+void SvNumberFormatter::GetOutputString(const OUString& sString,
+                                        sal_uInt32 nFIndex,
+                                        OUString& sOutString,
+                                        const Color** ppColor,
+                                        bool bUseStarFormat )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    SvNumberformat* pFormat = GetFormatEntry( nFIndex );
+    // ImpSubstituteEntry() is unnecessary here because so far only numeric
+    // (time and date) are substituted.
+    if (!pFormat)
+    {
+        pFormat = GetFormatEntry(ZF_STANDARD_TEXT);
+    }
+    if (!pFormat->IsTextFormat() && !pFormat->HasTextFormat())
+    {
+        *ppColor = nullptr;
+        sOutString = sString;
+    }
+    else
+    {
+        ChangeIntl(pFormat->GetLanguage());
+        if ( bUseStarFormat )
+        {
+           pFormat->SetStarFormatSupport( true );
+        }
+        pFormat->GetOutputString(sString, sOutString, ppColor);
+        if ( bUseStarFormat )
+        {
+           pFormat->SetStarFormatSupport( false );
+        }
+    }
+}
+
+void SvNumberFormatter::GetOutputString(const double& fOutNumber,
+                                        sal_uInt32 nFIndex,
+                                        OUString& sOutString,
+                                        const Color** ppColor,
+                                        bool bUseStarFormat )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (bNoZero && fOutNumber == 0.0)
+    {
+        sOutString.clear();
+        return;
+    }
+    SvNumberformat* pFormat = ImpSubstituteEntry( GetFormatEntry( nFIndex ));
+    if (!pFormat)
+        pFormat = GetFormatEntry(ZF_STANDARD);
+    ChangeIntl(pFormat->GetLanguage());
+    if ( bUseStarFormat )
+        pFormat->SetStarFormatSupport( true );
+    pFormat->GetOutputString(fOutNumber, sOutString, ppColor);
+    if ( bUseStarFormat )
+        pFormat->SetStarFormatSupport( false );
+}
+
+bool SvNumberFormatter::GetPreviewString(const OUString& sFormatString,
+                                         double fPreviewNumber,
+                                         OUString& sOutString,
+                                         const Color** ppColor,
+                                         LanguageType eLnge,
+                                         bool bUseStarFormat )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (sFormatString.isEmpty())                       // no empty string
+    {
+        return false;
+    }
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl(eLnge);                          // change locale if necessary
+    eLnge = ActLnge;
+    sal_Int32 nCheckPos = -1;
+    OUString sTmpString = sFormatString;
+    SvNumberformat aEntry(sTmpString,
+                          pFormatScanner.get(),
+                          pStringScanner.get(),
+                          nCheckPos,
+                          eLnge);
+    if (nCheckPos == 0)                                 // String ok
+    {
+        sal_uInt32 CLOffset = ImpGenerateCL(eLnge);     // create new standard formats if necessary
+        sal_uInt32 nKey = ImpIsEntry(aEntry.GetFormatstring(),CLOffset, eLnge);
+        if (nKey != NUMBERFORMAT_ENTRY_NOT_FOUND)       // already present
+        {
+            GetOutputString(fPreviewNumber, nKey, sOutString, ppColor, bUseStarFormat);
+        }
+        else
+        {
+            if ( bUseStarFormat )
+            {
+                aEntry.SetStarFormatSupport( true );
+            }
+            aEntry.GetOutputString(fPreviewNumber, sOutString, ppColor);
+            if ( bUseStarFormat )
+            {
+                aEntry.SetStarFormatSupport( false );
+            }
+        }
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+bool SvNumberFormatter::GetPreviewStringGuess( const OUString& sFormatString,
+                                               double fPreviewNumber,
+                                               OUString& sOutString,
+                                               const Color** ppColor,
+                                               LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (sFormatString.isEmpty())                       // no empty string
+    {
+        return false;
+    }
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl( eLnge );
+    eLnge = ActLnge;
+    bool bEnglish = (eLnge == LANGUAGE_ENGLISH_US);
+
+    OUString aFormatStringUpper( xCharClass->uppercase( sFormatString ) );
+    sal_uInt32 nCLOffset = ImpGenerateCL( eLnge );
+    sal_uInt32 nKey = ImpIsEntry( aFormatStringUpper, nCLOffset, eLnge );
+    if ( nKey != NUMBERFORMAT_ENTRY_NOT_FOUND )
+    {
+        // Target format present
+        GetOutputString( fPreviewNumber, nKey, sOutString, ppColor );
+        return true;
+    }
+
+    std::optional<SvNumberformat> pEntry;
+    sal_Int32 nCheckPos = -1;
+    OUString sTmpString;
+
+    if ( bEnglish )
+    {
+        sTmpString = sFormatString;
+        pEntry.emplace( sTmpString, pFormatScanner.get(),
+                        pStringScanner.get(), nCheckPos, eLnge );
+    }
+    else
+    {
+        nCLOffset = ImpGenerateCL( LANGUAGE_ENGLISH_US );
+        nKey = ImpIsEntry( aFormatStringUpper, nCLOffset, LANGUAGE_ENGLISH_US );
+        bool bEnglishFormat = (nKey != NUMBERFORMAT_ENTRY_NOT_FOUND);
+
+        // Try English -> other or convert english to other
+        LanguageType eFormatLang = LANGUAGE_ENGLISH_US;
+        pFormatScanner->SetConvertMode( LANGUAGE_ENGLISH_US, eLnge, false, false);
+        sTmpString = sFormatString;
+        pEntry.emplace( sTmpString, pFormatScanner.get(),
+                        pStringScanner.get(), nCheckPos, eFormatLang );
+        pFormatScanner->SetConvertMode( false );
+        ChangeIntl( eLnge );
+
+        if ( !bEnglishFormat )
+        {
+            if ( nCheckPos != 0 || xTransliteration->isEqual( sFormatString,
+                                                              pEntry->GetFormatstring() ) )
+            {
+                // other Format
+                // Force locale's keywords.
+                pFormatScanner->ChangeIntl( ImpSvNumberformatScan::KeywordLocalization::LocaleLegacy );
+                sTmpString = sFormatString;
+                pEntry.emplace( sTmpString, pFormatScanner.get(),
+                                pStringScanner.get(), nCheckPos, eLnge );
+            }
+            else
+            {
+                // verify english
+                sal_Int32 nCheckPos2 = -1;
+                // try other --> english
+                eFormatLang = eLnge;
+                pFormatScanner->SetConvertMode( eLnge, LANGUAGE_ENGLISH_US, false, false);
+                sTmpString = sFormatString;
+                SvNumberformat aEntry2( sTmpString, pFormatScanner.get(),
+                                        pStringScanner.get(), nCheckPos2, eFormatLang );
+                pFormatScanner->SetConvertMode( false );
+                ChangeIntl( eLnge );
+                if ( nCheckPos2 == 0 && !xTransliteration->isEqual( sFormatString,
+                                                                    aEntry2.GetFormatstring() ) )
+                {
+                    // other Format
+                    // Force locale's keywords.
+                    pFormatScanner->ChangeIntl( ImpSvNumberformatScan::KeywordLocalization::LocaleLegacy );
+                    sTmpString = sFormatString;
+                    pEntry.emplace( sTmpString, pFormatScanner.get(),
+                                    pStringScanner.get(), nCheckPos, eLnge );
+                }
+            }
+        }
+    }
+
+    if (nCheckPos == 0)                                 // String ok
+    {
+        ImpGenerateCL( eLnge );     // create new standard formats if necessary
+        pEntry->GetOutputString( fPreviewNumber, sOutString, ppColor );
+        return true;
+    }
+    return false;
+}
+
+bool SvNumberFormatter::GetPreviewString( const OUString& sFormatString,
+                                          const OUString& sPreviewString,
+                                          OUString& sOutString,
+                                          const Color** ppColor,
+                                          LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (sFormatString.isEmpty())               // no empty string
+    {
+        return false;
+    }
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl(eLnge);                          // switch if needed
+    eLnge = ActLnge;
+    sal_Int32 nCheckPos = -1;
+    OUString sTmpString = sFormatString;
+    SvNumberformat aEntry( sTmpString,
+                           pFormatScanner.get(),
+                           pStringScanner.get(),
+                           nCheckPos,
+                           eLnge);
+    if (nCheckPos == 0)                          // String ok
+    {
+        // May have to create standard formats for this locale.
+        sal_uInt32 CLOffset = ImpGenerateCL(eLnge);
+        sal_uInt32 nKey = ImpIsEntry( aEntry.GetFormatstring(), CLOffset, eLnge);
+        if (nKey != NUMBERFORMAT_ENTRY_NOT_FOUND)       // already present
+        {
+            GetOutputString( sPreviewString, nKey, sOutString, ppColor);
+        }
+        else
+        {
+            // If the format is valid but not a text format and does not
+            // include a text subformat, an empty string would result. Same as
+            // in SvNumberFormatter::GetOutputString()
+            if (aEntry.IsTextFormat() || aEntry.HasTextFormat())
+            {
+                aEntry.GetOutputString( sPreviewString, sOutString, ppColor);
+            }
+            else
+            {
+                *ppColor = nullptr;
+                sOutString = sPreviewString;
+            }
+        }
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+sal_uInt32 SvNumberFormatter::TestNewString(const OUString& sFormatString,
+                                            LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (sFormatString.isEmpty())                       // no empty string
+    {
+        return NUMBERFORMAT_ENTRY_NOT_FOUND;
+    }
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl(eLnge);                                  // change locale if necessary
+    eLnge = ActLnge;
+    sal_uInt32 nRes;
+    sal_Int32 nCheckPos = -1;
+    OUString sTmpString = sFormatString;
+    SvNumberformat aEntry(sTmpString,
+                          pFormatScanner.get(),
+                          pStringScanner.get(),
+                          nCheckPos,
+                          eLnge);
+    if (nCheckPos == 0)                                 // String ok
+    {
+        sal_uInt32 CLOffset = ImpGenerateCL(eLnge);     // create new standard formats if necessary
+        nRes = ImpIsEntry(aEntry.GetFormatstring(),CLOffset, eLnge);
+                                                        // already present?
+    }
+    else
+    {
+        nRes = NUMBERFORMAT_ENTRY_NOT_FOUND;
+    }
+    return nRes;
+}
+
+SvNumberformat* SvNumberFormatter::ImpInsertFormat( const css::i18n::NumberFormatCode& rCode,
+                                                    sal_uInt32 nPos, bool bAfterChangingSystemCL,
+                                                    sal_Int16 nOrgIndex )
+{
+    SAL_WARN_IF( NF_INDEX_TABLE_RESERVED_START <= rCode.Index && rCode.Index < NF_INDEX_TABLE_ENTRIES,
+            "svl.numbers", "i18npool locale '" << maLanguageTag.getBcp47() <<
+            "' uses reserved formatIndex value " << rCode.Index << ", next free: " << NF_INDEX_TABLE_ENTRIES <<
+            "  Please see description in include/svl/zforlist.hxx at end of enum NfIndexTableOffset");
+    assert( (rCode.Index < NF_INDEX_TABLE_RESERVED_START || NF_INDEX_TABLE_ENTRIES <= rCode.Index) &&
+            "reserved formatIndex, see warning above");
+
+    OUString aCodeStr( rCode.Code );
+    if ( rCode.Index < NF_INDEX_TABLE_RESERVED_START &&
+            rCode.Usage == css::i18n::KNumberFormatUsage::CURRENCY &&
+            rCode.Index != NF_CURRENCY_1000DEC2_CCC )
+    {   // strip surrounding [$...] on automatic currency
+        if ( aCodeStr.indexOf( "[$" ) >= 0)
+            aCodeStr = SvNumberformat::StripNewCurrencyDelimiters( aCodeStr );
+        else
+        {
+            if (LocaleDataWrapper::areChecksEnabled() &&
+                    rCode.Index != NF_CURRENCY_1000DEC2_CCC )
+            {
+                OUString aMsg = "SvNumberFormatter::ImpInsertFormat: no [$...] on currency format code, index " +
+                                OUString::number( rCode.Index) +
+                                ":\n" +
+                                rCode.Code;
+                LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg));
+            }
+        }
+    }
+    sal_Int32 nCheckPos = 0;
+    std::unique_ptr<SvNumberformat> pFormat(new SvNumberformat(aCodeStr,
+                                                               pFormatScanner.get(),
+                                                               pStringScanner.get(),
+                                                               nCheckPos,
+                                                               ActLnge));
+    if (nCheckPos != 0)
+    {
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            OUString aMsg = "SvNumberFormatter::ImpInsertFormat: bad format code, index " +
+                            OUString::number( rCode.Index ) +
+                            "\n" +
+                            rCode.Code;
+            LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg));
+        }
+        return nullptr;
+    }
+    if ( rCode.Index >= NF_INDEX_TABLE_RESERVED_START )
+    {
+        sal_uInt32 nCLOffset = nPos - (nPos % SV_COUNTRY_LANGUAGE_OFFSET);
+        sal_uInt32 nKey = ImpIsEntry( aCodeStr, nCLOffset, ActLnge );
+        if ( nKey != NUMBERFORMAT_ENTRY_NOT_FOUND )
+        {
+            // If bAfterChangingSystemCL there will definitely be some dups,
+            // don't cry then.
+            if (LocaleDataWrapper::areChecksEnabled() && !bAfterChangingSystemCL)
+            {
+                // Test for duplicate indexes in locale data.
+                switch ( nOrgIndex )
+                {
+                // These may be dups of integer versions for locales where
+                // currencies have no decimals like Italian Lira.
+                case NF_CURRENCY_1000DEC2 :         // NF_CURRENCY_1000INT
+                case NF_CURRENCY_1000DEC2_RED :     // NF_CURRENCY_1000INT_RED
+                case NF_CURRENCY_1000DEC2_DASHED :  // NF_CURRENCY_1000INT_RED
+                    break;
+                default:
+                {
+                    OUString aMsg = "SvNumberFormatter::ImpInsertFormat: dup format code, index "
+                                  + OUString::number( rCode.Index )
+                                  + "\n"
+                                  + rCode.Code;
+                    LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg));
+                }
+                }
+            }
+            return nullptr;
+        }
+        else if ( nPos - nCLOffset >= SV_COUNTRY_LANGUAGE_OFFSET )
+        {
+            if (LocaleDataWrapper::areChecksEnabled())
+            {
+                OUString aMsg =  "SvNumberFormatter::ImpInsertFormat: too many format codes, index "
+                              + OUString::number( rCode.Index )
+                              + "\n"
+                              +  rCode.Code;
+                LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg));
+            }
+            return nullptr;
+        }
+    }
+    auto pFormat2 = pFormat.get();
+    if ( !aFTable.emplace( nPos, std::move(pFormat) ).second )
+    {
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            OUString aMsg = "ImpInsertFormat: can't insert number format key pos: "
+                          + OUString::number( nPos )
+                          + ", code index "
+                          + OUString::number( rCode.Index )
+                          + "\n"
+                          + rCode.Code;
+            LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo( aMsg));
+        }
+        else
+        {
+            SAL_WARN( "svl.numbers", "SvNumberFormatter::ImpInsertFormat: dup position");
+        }
+        return nullptr;
+    }
+    if ( rCode.Default )
+        pFormat2->SetStandard();
+    if ( !rCode.DefaultName.isEmpty() )
+        pFormat2->SetComment( rCode.DefaultName );
+    return pFormat2;
+}
+
+void SvNumberFormatter::GetFormatSpecialInfo(sal_uInt32 nFormat,
+                                             bool& bThousand,
+                                             bool& IsRed,
+                                             sal_uInt16& nPrecision,
+                                             sal_uInt16& nLeadingCnt)
+
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    SvNumberformat* pFormat = GetFormatEntry( nFormat );
+    if (pFormat)
+        pFormat->GetFormatSpecialInfo(bThousand, IsRed,
+                                      nPrecision, nLeadingCnt);
+    else
+    {
+        bThousand = false;
+        IsRed = false;
+        nPrecision = pFormatScanner->GetStandardPrec();
+        nLeadingCnt = 0;
+    }
+}
+
+sal_uInt16 SvNumberFormatter::GetFormatPrecision( sal_uInt32 nFormat ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry( nFormat );
+    if ( pFormat )
+        return pFormat->GetFormatPrecision();
+    else
+        return pFormatScanner->GetStandardPrec();
+}
+
+sal_uInt16 SvNumberFormatter::GetFormatIntegerDigits( sal_uInt32 nFormat ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry( nFormat );
+    if ( pFormat )
+        return pFormat->GetFormatIntegerDigits();
+    else
+        return 1;
+}
+
+OUString SvNumberFormatter::GetFormatDecimalSep( sal_uInt32 nFormat ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry(nFormat);
+    if (!pFormat)
+    {
+        return GetNumDecimalSep();
+    }
+    return GetLangDecimalSep( pFormat->GetLanguage());
+}
+
+OUString SvNumberFormatter::GetLangDecimalSep( LanguageType nLang ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (nLang == ActLnge)
+    {
+        return GetNumDecimalSep();
+    }
+    OUString aRet;
+    LanguageType eSaveLang = xLocaleData.getCurrentLanguage();
+    if (nLang == eSaveLang)
+    {
+        aRet = xLocaleData->getNumDecimalSep();
+    }
+    else
+    {
+        LanguageTag aSaveLocale( xLocaleData->getLanguageTag() );
+        const_cast<SvNumberFormatter*>(this)->xLocaleData.changeLocale( LanguageTag( nLang));
+        aRet = xLocaleData->getNumDecimalSep();
+        const_cast<SvNumberFormatter*>(this)->xLocaleData.changeLocale( aSaveLocale );
+    }
+    return aRet;
+}
+
+bool SvNumberFormatter::IsNatNum12( sal_uInt32 nFIndex ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry( nFIndex );
+
+    return pFormat && pFormat->GetNatNumModifierString().startsWith( "[NatNum12" );
+}
+
+sal_uInt32 SvNumberFormatter::GetFormatSpecialInfo( const OUString& rFormatString,
+                                                    bool& bThousand, bool& IsRed, sal_uInt16& nPrecision,
+                                                    sal_uInt16& nLeadingCnt, LanguageType eLnge )
+
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    ChangeIntl(eLnge);                                  // change locale if necessary
+    eLnge = ActLnge;
+    OUString aTmpStr( rFormatString );
+    sal_Int32 nCheckPos = 0;
+    SvNumberformat aFormat( aTmpStr, pFormatScanner.get(),
+                            pStringScanner.get(), nCheckPos, eLnge );
+    if ( nCheckPos == 0 )
+    {
+        aFormat.GetFormatSpecialInfo( bThousand, IsRed, nPrecision, nLeadingCnt );
+    }
+    else
+    {
+        bThousand = false;
+        IsRed = false;
+        nPrecision = pFormatScanner->GetStandardPrec();
+        nLeadingCnt = 0;
+    }
+    return nCheckPos;
+}
+
+OUString SvNumberFormatter::GetCalcCellReturn( sal_uInt32 nFormat ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry( nFormat );
+    if (!pFormat)
+        return "G";
+
+    OUString    aStr;
+    bool        bAppendPrec = true;
+    sal_uInt16  nPrec, nLeading;
+    bool        bThousand, bIsRed;
+    pFormat->GetFormatSpecialInfo( bThousand, bIsRed, nPrec, nLeading );
+
+    switch (pFormat->GetMaskedType())
+    {
+        case SvNumFormatType::NUMBER:
+            if (bThousand)
+                aStr = ",";
+            else
+                aStr = "F";
+        break;
+        case SvNumFormatType::CURRENCY:
+            aStr = "C";
+        break;
+        case SvNumFormatType::SCIENTIFIC:
+            aStr = "S";
+        break;
+        case SvNumFormatType::PERCENT:
+            aStr = "P";
+        break;
+        default:
+            {
+                bAppendPrec = false;
+                switch (GetIndexTableOffset( nFormat ))
+                {
+                    case NF_DATE_SYSTEM_SHORT:
+                    case NF_DATE_SYS_DMMMYY:
+                    case NF_DATE_SYS_DDMMYY:
+                    case NF_DATE_SYS_DDMMYYYY:
+                    case NF_DATE_SYS_DMMMYYYY:
+                    case NF_DATE_DIN_DMMMYYYY:
+                    case NF_DATE_SYS_DMMMMYYYY:
+                    case NF_DATE_DIN_DMMMMYYYY: aStr = "D1"; break;
+                    case NF_DATE_SYS_DDMMM:     aStr = "D2"; break;
+                    case NF_DATE_SYS_MMYY:      aStr = "D3"; break;
+                    case NF_DATETIME_SYSTEM_SHORT_HHMM:
+                    case NF_DATETIME_SYS_DDMMYYYY_HHMM:
+                    case NF_DATETIME_SYS_DDMMYYYY_HHMMSS:
+                                                aStr = "D4"; break;
+                    case NF_DATE_DIN_MMDD:      aStr = "D5"; break;
+                    case NF_TIME_HHMMSSAMPM:    aStr = "D6"; break;
+                    case NF_TIME_HHMMAMPM:      aStr = "D7"; break;
+                    case NF_TIME_HHMMSS:        aStr = "D8"; break;
+                    case NF_TIME_HHMM:          aStr = "D9"; break;
+                    default:                    aStr = "G";
+                }
+            }
+    }
+
+    if (bAppendPrec)
+        aStr += OUString::number(nPrec);
+
+    if (pFormat->GetColor( 1 ))
+        aStr += "-";    // negative color
+
+    /* FIXME: this probably should not match on literal strings and only be
+     * performed on number or currency formats, but it is what Calc originally
+     * implemented. */
+    if (pFormat->GetFormatstring().indexOf('(') != -1)
+        aStr += "()";
+
+    return aStr;
+}
+
+sal_Int32 SvNumberFormatter::ImpGetFormatCodeIndex(
+            css::uno::Sequence< css::i18n::NumberFormatCode >& rSeq,
+            const NfIndexTableOffset nTabOff )
+{
+    auto pSeq = std::find_if(std::cbegin(rSeq), std::cend(rSeq),
+        [nTabOff](const css::i18n::NumberFormatCode& rCode) { return rCode.Index == nTabOff; });
+    if (pSeq != std::cend(rSeq))
+        return static_cast<sal_Int32>(std::distance(std::cbegin(rSeq), pSeq));
+    if (LocaleDataWrapper::areChecksEnabled() && (nTabOff < NF_CURRENCY_START
+                || NF_CURRENCY_END < nTabOff || nTabOff == NF_CURRENCY_1000INT
+                || nTabOff == NF_CURRENCY_1000INT_RED
+                || nTabOff == NF_CURRENCY_1000DEC2_CCC))
+    {   // currency entries with decimals might not exist, e.g. Italian Lira
+        OUString aMsg = "SvNumberFormatter::ImpGetFormatCodeIndex: not found: "
+                      + OUString::number( nTabOff );
+        LocaleDataWrapper::outputCheckMessage( xLocaleData->appendLocaleInfo(aMsg));
+    }
+    if ( rSeq.hasElements() )
+    {
+        // look for a preset default
+        pSeq = std::find_if(std::cbegin(rSeq), std::cend(rSeq),
+            [](const css::i18n::NumberFormatCode& rCode) { return rCode.Default; });
+        if (pSeq != std::cend(rSeq))
+            return static_cast<sal_Int32>(std::distance(std::cbegin(rSeq), pSeq));
+        // currencies are special, not all format codes must exist, but all
+        // builtin number format key index positions must have a format assigned
+        if ( NF_CURRENCY_START <= nTabOff && nTabOff <= NF_CURRENCY_END )
+        {
+            // look for a format with decimals
+            pSeq = std::find_if(std::cbegin(rSeq), std::cend(rSeq),
+                [](const css::i18n::NumberFormatCode& rCode) { return rCode.Index == NF_CURRENCY_1000DEC2; });
+            if (pSeq != std::cend(rSeq))
+                return static_cast<sal_Int32>(std::distance(std::cbegin(rSeq), pSeq));
+            // last resort: look for a format without decimals
+            pSeq = std::find_if(std::cbegin(rSeq), std::cend(rSeq),
+                [](const css::i18n::NumberFormatCode& rCode) { return rCode.Index == NF_CURRENCY_1000INT; });
+            if (pSeq != std::cend(rSeq))
+                return static_cast<sal_Int32>(std::distance(std::cbegin(rSeq), pSeq));
+        }
+    }
+    else
+    {   // we need at least _some_ format
+        rSeq = { css::i18n::NumberFormatCode() };
+        rSeq.getArray()[0].Code = "0" + GetNumDecimalSep() + "############";
+    }
+    return 0;
+}
+
+
+void SvNumberFormatter::ImpAdjustFormatCodeDefault(
+        css::i18n::NumberFormatCode * pFormatArr,
+        sal_Int32 nCnt )
+{
+    if ( !nCnt )
+        return;
+    if (LocaleDataWrapper::areChecksEnabled())
+    {
+        // check the locale data for correctness
+        OUStringBuffer aMsg;
+        sal_Int32 nElem, nShort, nMedium, nLong, nShortDef, nMediumDef, nLongDef;
+        nShort = nMedium = nLong = nShortDef = nMediumDef = nLongDef = -1;
+        for ( nElem = 0; nElem < nCnt; nElem++ )
+        {
+            switch ( pFormatArr[nElem].Type )
+            {
+            case i18n::KNumberFormatType::SHORT :
+                nShort = nElem;
+                break;
+            case i18n::KNumberFormatType::MEDIUM :
+                nMedium = nElem;
+                break;
+            case i18n::KNumberFormatType::LONG :
+                nLong = nElem;
+                break;
+            default:
+                aMsg.append("unknown type");
+            }
+            if ( pFormatArr[nElem].Default )
+            {
+                switch ( pFormatArr[nElem].Type )
+                {
+                case i18n::KNumberFormatType::SHORT :
+                    if ( nShortDef != -1 )
+                        aMsg.append("dupe short type default");
+                    nShortDef = nElem;
+                    break;
+                case i18n::KNumberFormatType::MEDIUM :
+                    if ( nMediumDef != -1 )
+                        aMsg.append("dupe medium type default");
+                    nMediumDef = nElem;
+                    break;
+                case i18n::KNumberFormatType::LONG :
+                    if ( nLongDef != -1 )
+                        aMsg.append("dupe long type default");
+                    nLongDef = nElem;
+                    break;
+                }
+            }
+            if (!aMsg.isEmpty())
+            {
+                aMsg.insert(0, "SvNumberFormatter::ImpAdjustFormatCodeDefault: ");
+                aMsg.append("\nXML locale data FormatElement formatindex: "
+                    + OUString::number(static_cast<sal_Int32>(pFormatArr[nElem].Index)));
+                LocaleDataWrapper::outputCheckMessage(xLocaleData->appendLocaleInfo(aMsg));
+                aMsg.setLength(0);
+            }
+        }
+        if ( nShort != -1 && nShortDef == -1 )
+            aMsg.append("no short type default  ");
+        if ( nMedium != -1 && nMediumDef == -1 )
+            aMsg.append("no medium type default  ");
+        if ( nLong != -1 && nLongDef == -1 )
+            aMsg.append("no long type default  ");
+        if (!aMsg.isEmpty())
+        {
+            aMsg.insert(0, "SvNumberFormatter::ImpAdjustFormatCodeDefault: ");
+            aMsg.append("\nXML locale data FormatElement group of: ");
+            LocaleDataWrapper::outputCheckMessage(
+                xLocaleData->appendLocaleInfo(Concat2View(aMsg + pFormatArr[0].NameID)));
+            aMsg.setLength(0);
+        }
+    }
+    // find the default (medium preferred, then long) and reset all other defaults
+    sal_Int32 nElem, nDef, nMedium;
+    nDef = nMedium = -1;
+    for ( nElem = 0; nElem < nCnt; nElem++ )
+    {
+        if ( pFormatArr[nElem].Default )
+        {
+            switch ( pFormatArr[nElem].Type )
+            {
+            case i18n::KNumberFormatType::MEDIUM :
+                nDef = nMedium = nElem;
+                break;
+            case i18n::KNumberFormatType::LONG :
+                if ( nMedium == -1 )
+                    nDef = nElem;
+                [[fallthrough]];
+            default:
+                if ( nDef == -1 )
+                    nDef = nElem;
+                pFormatArr[nElem].Default = false;
+            }
+        }
+    }
+    if ( nDef == -1 )
+        nDef = 0;
+    pFormatArr[nDef].Default = true;
+}
+
+SvNumberformat* SvNumberFormatter::GetFormatEntry( sal_uInt32 nKey )
+{
+    auto it = aFTable.find( nKey);
+    if (it != aFTable.end())
+        return it->second.get();
+    return nullptr;
+}
+
+const SvNumberformat* SvNumberFormatter::GetFormatEntry( sal_uInt32 nKey ) const
+{
+    return GetEntry( nKey);
+}
+
+const SvNumberformat* SvNumberFormatter::GetEntry( sal_uInt32 nKey ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    auto it = aFTable.find( nKey);
+    if (it != aFTable.end())
+        return it->second.get();
+    return nullptr;
+}
+
+const SvNumberformat* SvNumberFormatter::GetSubstitutedEntry( sal_uInt32 nKey, sal_uInt32 & o_rNewKey ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    // A tad ugly, but GetStandardFormat() and GetFormatIndex() in
+    // ImpSubstituteEntry() may have to add the LANGUAGE_SYSTEM formats if not
+    // already present (which in practice most times they are).
+    SvNumberFormatter* pThis = const_cast<SvNumberFormatter*>(this);
+    return pThis->ImpSubstituteEntry( pThis->GetFormatEntry( nKey), &o_rNewKey);
+}
+
+SvNumberformat* SvNumberFormatter::ImpSubstituteEntry( SvNumberformat* pFormat, sal_uInt32 * o_pRealKey )
+{
+    if (!pFormat || !pFormat->IsSubstituted())
+        return pFormat;
+
+    // XXX NOTE: substitution can not be done in GetFormatEntry() as otherwise
+    // to be substituted formats would "vanish", i.e. from the number formatter
+    // dialog or when exporting to Excel.
+
+    sal_uInt32 nKey;
+    if (pFormat->IsSystemTimeFormat())
+        /* TODO: should we have NF_TIME_SYSTEM for consistency? */
+        nKey = GetStandardFormat( SvNumFormatType::TIME, LANGUAGE_SYSTEM);
+    else if (pFormat->IsSystemLongDateFormat())
+        /* TODO: either that above, or have a long option for GetStandardFormat() */
+        nKey = GetFormatIndex( NF_DATE_SYSTEM_LONG, LANGUAGE_SYSTEM);
+    else
+        return pFormat;
+
+    if (o_pRealKey)
+        *o_pRealKey = nKey;
+    auto it = aFTable.find( nKey);
+    return it == aFTable.end() ? nullptr : it->second.get();
+}
+
+void SvNumberFormatter::ImpGenerateFormats( sal_uInt32 CLOffset, bool bNoAdditionalFormats )
+{
+    bool bOldConvertMode = pFormatScanner->GetConvertMode();
+    if (bOldConvertMode)
+    {
+        pFormatScanner->SetConvertMode(false);      // switch off for this function
+    }
+
+    css::lang::Locale aLocale = GetLanguageTag().getLocale();
+    css::uno::Reference< css::i18n::XNumberFormatCode > xNFC = i18n::NumberFormatMapper::create( m_xContext );
+    sal_Int32 nIdx;
+
+    // Number
+    uno::Sequence< i18n::NumberFormatCode > aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::FIXED_NUMBER, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // General
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_STANDARD );
+    SvNumberformat* pStdFormat = ImpInsertFormat( aFormatSeq[nIdx],
+            CLOffset + ZF_STANDARD /* NF_NUMBER_STANDARD */ );
+    if (pStdFormat)
+    {
+        // This is _the_ standard format.
+        if (LocaleDataWrapper::areChecksEnabled() && pStdFormat->GetType() != SvNumFormatType::NUMBER)
+        {
+            LocaleDataWrapper::outputCheckMessage( xLocaleData->
+                                                   appendLocaleInfo( u"SvNumberFormatter::ImpGenerateFormats: General format not NUMBER"));
+        }
+        pStdFormat->SetType( SvNumFormatType::NUMBER );
+        pStdFormat->SetStandard();
+        pStdFormat->SetLastInsertKey( SV_MAX_COUNT_STANDARD_FORMATS, SvNumberformat::FormatterPrivateAccess() );
+    }
+    else
+    {
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            LocaleDataWrapper::outputCheckMessage( xLocaleData->
+                                                   appendLocaleInfo( u"SvNumberFormatter::ImpGenerateFormats: General format not insertable, nothing will work"));
+        }
+    }
+
+    {
+        // Boolean
+        OUString aFormatCode = pFormatScanner->GetBooleanString();
+        sal_Int32 nCheckPos = 0;
+
+        std::unique_ptr<SvNumberformat> pNewFormat(new SvNumberformat( aFormatCode, pFormatScanner.get(),
+                                                                       pStringScanner.get(), nCheckPos, ActLnge ));
+        pNewFormat->SetType(SvNumFormatType::LOGICAL);
+        pNewFormat->SetStandard();
+        if ( !aFTable.emplace(CLOffset + ZF_STANDARD_LOGICAL /* NF_BOOLEAN */,
+                            std::move(pNewFormat)).second )
+        {
+            SAL_WARN( "svl.numbers", "SvNumberFormatter::ImpGenerateFormats: dup position Boolean");
+        }
+
+        // Text
+        aFormatCode = "@";
+        pNewFormat.reset(new SvNumberformat( aFormatCode, pFormatScanner.get(),
+                                             pStringScanner.get(), nCheckPos, ActLnge ));
+        pNewFormat->SetType(SvNumFormatType::TEXT);
+        pNewFormat->SetStandard();
+        if ( !aFTable.emplace( CLOffset + ZF_STANDARD_TEXT /* NF_TEXT */,
+                               std::move(pNewFormat)).second )
+        {
+            SAL_WARN( "svl.numbers", "SvNumberFormatter::ImpGenerateFormats: dup position Text");
+        }
+    }
+
+    // 0
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_INT );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD+1 /* NF_NUMBER_INT */ );
+
+    // 0.00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_DEC2 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD+2 /* NF_NUMBER_DEC2 */ );
+
+    // #,##0
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_1000INT );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD+3 /* NF_NUMBER_1000INT */ );
+
+    // #,##0.00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_1000DEC2 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD+4 /* NF_NUMBER_1000DEC2 */ );
+
+    // #.##0,00 System country/language dependent
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_NUMBER_SYSTEM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD+5 /* NF_NUMBER_SYSTEM */ );
+
+
+    // Percent number
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::PERCENT_NUMBER, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // 0%
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_PERCENT_INT );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_PERCENT /* NF_PERCENT_INT */ );
+
+    // 0.00%
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_PERCENT_DEC2 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_PERCENT+1 /* NF_PERCENT_DEC2 */ );
+
+
+    // Currency. NO default standard option! Default is determined of locale
+    // data default currency and format is generated if needed.
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::CURRENCY, aLocale );
+    if (LocaleDataWrapper::areChecksEnabled())
+    {
+        // though no default desired here, test for correctness of locale data
+        ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+    }
+
+    // #,##0
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000INT );
+     // Just copy the format, to avoid COW on sequence after each possible reallocation
+    auto aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat( aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY /* NF_CURRENCY_1000INT */ );
+
+    // #,##0.00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000DEC2 );
+    aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat( aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY+1 /* NF_CURRENCY_1000DEC2 */ );
+
+    // #,##0 negative red
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000INT_RED );
+    aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat(aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY+2 /* NF_CURRENCY_1000INT_RED */ );
+
+    // #,##0.00 negative red
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000DEC2_RED );
+    aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat(aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY+3 /* NF_CURRENCY_1000DEC2_RED */ );
+
+    // #,##0.00 USD
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000DEC2_CCC );
+    aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat( aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY+4 /* NF_CURRENCY_1000DEC2_CCC */ );
+
+    // #.##0,--
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_CURRENCY_1000DEC2_DASHED );
+    aFormat = aFormatSeq[nIdx];
+    aFormat.Default = false;
+    ImpInsertFormat(aFormat,
+                     CLOffset + ZF_STANDARD_CURRENCY+5 /* NF_CURRENCY_1000DEC2_DASHED */ );
+
+
+    // Date
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::DATE, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // DD.MM.YY   System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYSTEM_SHORT );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE /* NF_DATE_SYSTEM_SHORT */ );
+
+    // NN DD.MMM YY
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DEF_NNDDMMMYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+1 /* NF_DATE_DEF_NNDDMMMYY */ );
+
+    // DD.MM.YY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_MMYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+2 /* NF_DATE_SYS_MMYY */ );
+
+    // DD MMM
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DDMMM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+3 /* NF_DATE_SYS_DDMMM */ );
+
+    // MMMM
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_MMMM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+4 /* NF_DATE_MMMM */ );
+
+    // QQ YY
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_QQJJ );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+5 /* NF_DATE_QQJJ */ );
+
+    // DD.MM.YYYY   was DD.MM.[YY]YY
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DDMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+6 /* NF_DATE_SYS_DDMMYYYY */ );
+
+    // DD.MM.YY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DDMMYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+7 /* NF_DATE_SYS_DDMMYY */ );
+
+    // NNN, D. MMMM YYYY   System
+    // Long day of week: "NNNN" instead of "NNN," because of compatibility
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYSTEM_LONG );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+8 /* NF_DATE_SYSTEM_LONG */ );
+
+    // Hard coded but system (regional settings) delimiters dependent long date formats
+
+    // D. MMM YY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DMMMYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE+9 /* NF_DATE_SYS_DMMMYY */ );
+
+    // D. MMM YYYY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_SYS_DMMMYYYY /* NF_DATE_SYS_DMMMYYYY */ );
+
+    // D. MMMM YYYY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_DMMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_SYS_DMMMMYYYY /* NF_DATE_SYS_DMMMMYYYY */ );
+
+    // NN, D. MMM YY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_NNDMMMYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_SYS_NNDMMMYY /* NF_DATE_SYS_NNDMMMYY */ );
+
+    // NN, D. MMMM YYYY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_NNDMMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_SYS_NNDMMMMYYYY /*  NF_DATE_SYS_NNDMMMMYYYY */ );
+
+    // NNN, D. MMMM YYYY   def/System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_SYS_NNNNDMMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_SYS_NNNNDMMMMYYYY /* NF_DATE_SYS_NNNNDMMMMYYYY */ );
+
+    // Hard coded DIN (Deutsche Industrie Norm) and EN (European Norm) date formats
+
+    // D. MMM. YYYY   DIN/EN
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DIN_DMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_DIN_DMMMYYYY /* NF_DATE_DIN_DMMMYYYY */ );
+
+    // D. MMMM YYYY   DIN/EN
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DIN_DMMMMYYYY );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_DIN_DMMMMYYYY /* NF_DATE_DIN_DMMMMYYYY */ );
+
+    // MM-DD   DIN/EN
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DIN_MMDD );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_DIN_MMDD /* NF_DATE_DIN_MMDD */ );
+
+    // YY-MM-DD   DIN/EN
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DIN_YYMMDD );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_DIN_YYMMDD /* NF_DATE_DIN_YYMMDD */ );
+
+    // YYYY-MM-DD   DIN/EN/ISO
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATE_DIN_YYYYMMDD );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATE_DIN_YYYYMMDD /* NF_DATE_DIN_YYYYMMDD */ );
+
+
+    // Time
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::TIME, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // HH:MM
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HHMM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME /* NF_TIME_HHMM */ );
+
+    // HH:MM:SS
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HHMMSS );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+1 /* NF_TIME_HHMMSS */ );
+
+    // HH:MM AM/PM
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HHMMAMPM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+2 /* NF_TIME_HHMMAMPM */ );
+
+    // HH:MM:SS AM/PM
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HHMMSSAMPM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+3 /* NF_TIME_HHMMSSAMPM */ );
+
+    // [HH]:MM:SS
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HH_MMSS );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+4 /* NF_TIME_HH_MMSS */ );
+
+    // MM:SS,00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_MMSS00 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+5 /* NF_TIME_MMSS00 */ );
+
+    // [HH]:MM:SS,00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_TIME_HH_MMSS00 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_TIME+6 /* NF_TIME_HH_MMSS00 */ );
+
+
+    // DateTime
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::DATE_TIME, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // DD.MM.YY HH:MM   System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATETIME_SYSTEM_SHORT_HHMM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATETIME /* NF_DATETIME_SYSTEM_SHORT_HHMM */ );
+
+    // DD.MM.YYYY HH:MM:SS   System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATETIME_SYS_DDMMYYYY_HHMMSS );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATETIME+1 /* NF_DATETIME_SYS_DDMMYYYY_HHMMSS */ );
+
+    // DD.MM.YYYY HH:MM   System
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_DATETIME_SYS_DDMMYYYY_HHMM );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_DATETIME+2 /* NF_DATETIME_SYS_DDMMYYYY_HHMM */ );
+
+    const NfKeywordTable & rKeyword = pFormatScanner->GetKeywords();
+    i18n::NumberFormatCode aSingleFormatCode;
+    aSingleFormatCode.Usage = i18n::KNumberFormatUsage::DATE_TIME;
+
+    // YYYY-MM-DD HH:MM:SS   ISO (with blank instead of 'T')
+    aSingleFormatCode.Code =
+        rKeyword[NF_KEY_YYYY] + "-" +
+        rKeyword[NF_KEY_MM] + "-" +
+        rKeyword[NF_KEY_DD] + " " +
+        rKeyword[NF_KEY_HH] + ":" +
+        rKeyword[NF_KEY_MMI] + ":" +
+        rKeyword[NF_KEY_SS];
+    SvNumberformat* pFormat = ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_DATETIME+3 /* NF_DATETIME_ISO_YYYYMMDD_HHMMSS */ );
+    assert(pFormat);
+
+    // YYYY-MM-DD HH:MM:SS,000   ISO (with blank instead of 'T') and
+    // milliseconds and locale's time decimal separator
+    aSingleFormatCode.Code =
+        rKeyword[NF_KEY_YYYY] + "-" +
+        rKeyword[NF_KEY_MM] + "-" +
+        rKeyword[NF_KEY_DD] + " " +
+        rKeyword[NF_KEY_HH] + ":" +
+        rKeyword[NF_KEY_MMI] + ":" +
+        rKeyword[NF_KEY_SS] + GetLocaleData()->getTime100SecSep() +
+        "000";
+    pFormat = ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_DATETIME+4 /* NF_DATETIME_ISO_YYYYMMDD_HHMMSS000 */ );
+    assert(pFormat);
+
+    // YYYY-MM-DD"T"HH:MM:SS   ISO
+    aSingleFormatCode.Code =
+        rKeyword[NF_KEY_YYYY] + "-" +
+        rKeyword[NF_KEY_MM] + "-" +
+        rKeyword[NF_KEY_DD] + "\"T\"" +
+        rKeyword[NF_KEY_HH] + ":" +
+        rKeyword[NF_KEY_MMI] + ":" +
+        rKeyword[NF_KEY_SS];
+    pFormat = ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_DATETIME+5 /* NF_DATETIME_ISO_YYYYMMDDTHHMMSS */ );
+    assert(pFormat);
+    pFormat->SetComment("ISO 8601");    // not to be localized
+
+    // YYYY-MM-DD"T"HH:MM:SS,000   ISO with milliseconds and ',' or '.' decimal separator
+    aSingleFormatCode.Code =
+        rKeyword[NF_KEY_YYYY] + "-" +
+        rKeyword[NF_KEY_MM] + "-" +
+        rKeyword[NF_KEY_DD] + "\"T\"" +
+        rKeyword[NF_KEY_HH] + ":" +
+        rKeyword[NF_KEY_MMI] + ":" +
+        rKeyword[NF_KEY_SS] + (GetLocaleData()->getTime100SecSep() == "." ? "." : ",") +
+        "000";
+    pFormat = ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_DATETIME+6 /* NF_DATETIME_ISO_YYYYMMDDTHHMMSS000 */ );
+    assert(pFormat);
+    pFormat->SetComment("ISO 8601");    // not to be localized
+
+
+    // Scientific number
+    aFormatSeq = xNFC->getAllFormatCode( i18n::KNumberFormatUsage::SCIENTIFIC_NUMBER, aLocale );
+    ImpAdjustFormatCodeDefault( aFormatSeq.getArray(), aFormatSeq.getLength() );
+
+    // 0.00E+000
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_SCIENTIFIC_000E000 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_SCIENTIFIC /* NF_SCIENTIFIC_000E000 */ );
+
+    // 0.00E+00
+    nIdx = ImpGetFormatCodeIndex( aFormatSeq, NF_SCIENTIFIC_000E00 );
+    ImpInsertFormat( aFormatSeq[nIdx],
+                     CLOffset + ZF_STANDARD_SCIENTIFIC+1 /* NF_SCIENTIFIC_000E00 */ );
+
+
+    // Fraction number (no default option)
+    aSingleFormatCode.Usage = i18n::KNumberFormatUsage::FRACTION_NUMBER;
+
+     // # ?/?
+    aSingleFormatCode.Code = "# ?/?";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION /* NF_FRACTION_1D */ );
+
+    // # ??/??
+    //! "??/" would be interpreted by the compiler as a trigraph for '\'
+    aSingleFormatCode.Code = "# ?\?/?\?";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+1 /* NF_FRACTION_2D */ );
+
+    // # ???/???
+    //! "??/" would be interpreted by the compiler as a trigraph for '\'
+    aSingleFormatCode.Code = "# ?\?\?/?\?\?";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+2 /* NF_FRACTION_3D */ );
+
+    // # ?/2
+    aSingleFormatCode.Code = "# ?/2";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+3 /* NF_FRACTION_2 */ );
+
+    // # ?/4
+    aSingleFormatCode.Code = "# ?/4";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+4 /* NF_FRACTION_4 */ );
+
+    // # ?/8
+    aSingleFormatCode.Code = "# ?/8";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+5 /* NF_FRACTION_8 */ );
+
+    // # ??/16
+    aSingleFormatCode.Code = "# ?\?/16";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+6 /* NF_FRACTION_16 */ );
+
+    // # ??/10
+    aSingleFormatCode.Code = "# ?\?/10";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+7 /* NF_FRACTION_10 */ );
+
+    // # ??/100
+    aSingleFormatCode.Code = "# ?\?/100";
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_FRACTION+8 /* NF_FRACTION_100 */ );
+
+
+    // Week of year
+    aSingleFormatCode.Code = rKeyword[NF_KEY_WW];
+    ImpInsertFormat( aSingleFormatCode,
+                     CLOffset + ZF_STANDARD_DATE_WW /* NF_DATE_WW */ );
+
+    // Now all additional format codes provided by I18N, but only if not
+    // changing SystemCL, then they are appended last after user defined.
+    if ( !bNoAdditionalFormats )
+    {
+        ImpGenerateAdditionalFormats( CLOffset, xNFC, false );
+    }
+    if (bOldConvertMode)
+    {
+        pFormatScanner->SetConvertMode(true);
+    }
+}
+
+
+void SvNumberFormatter::ImpGenerateAdditionalFormats( sal_uInt32 CLOffset,
+            css::uno::Reference< css::i18n::XNumberFormatCode > const & rNumberFormatCode,
+            bool bAfterChangingSystemCL )
+{
+    SvNumberformat* pStdFormat = GetFormatEntry( CLOffset + ZF_STANDARD );
+    if ( !pStdFormat )
+    {
+        SAL_WARN( "svl.numbers", "ImpGenerateAdditionalFormats: no GENERAL format" );
+        return ;
+    }
+    sal_uInt32 nPos = CLOffset + pStdFormat->GetLastInsertKey( SvNumberformat::FormatterPrivateAccess() );
+    css::lang::Locale aLocale = GetLanguageTag().getLocale();
+
+    // All currencies, this time with [$...] which was stripped in
+    // ImpGenerateFormats for old "automatic" currency formats.
+    uno::Sequence< i18n::NumberFormatCode > aFormatSeq = rNumberFormatCode->getAllFormatCode( i18n::KNumberFormatUsage::CURRENCY, aLocale );
+    sal_Int32 nCodes = aFormatSeq.getLength();
+    auto aNonConstRange = asNonConstRange(aFormatSeq);
+    ImpAdjustFormatCodeDefault( aNonConstRange.begin(), nCodes);
+    for ( i18n::NumberFormatCode& rFormat : aNonConstRange )
+    {
+        if ( nPos - CLOffset >= SV_COUNTRY_LANGUAGE_OFFSET )
+        {
+            SAL_WARN( "svl.numbers", "ImpGenerateAdditionalFormats: too many formats" );
+            break;  // for
+        }
+        if ( rFormat.Index < NF_INDEX_TABLE_RESERVED_START &&
+                rFormat.Index != NF_CURRENCY_1000DEC2_CCC )
+        {   // Insert only if not already inserted, but internal index must be
+            // above so ImpInsertFormat can distinguish it.
+            sal_Int16 nOrgIndex = rFormat.Index;
+            rFormat.Index = sal::static_int_cast< sal_Int16 >(
+                rFormat.Index + nCodes + NF_INDEX_TABLE_ENTRIES);
+            //! no default on currency
+            bool bDefault = rFormat.Default;
+            rFormat.Default = false;
+            if ( SvNumberformat* pNewFormat = ImpInsertFormat( rFormat, nPos+1,
+                        bAfterChangingSystemCL, nOrgIndex ) )
+            {
+                pNewFormat->SetAdditionalBuiltin();
+                nPos++;
+            }
+            rFormat.Index = nOrgIndex;
+            rFormat.Default = bDefault;
+        }
+    }
+
+    // All additional format codes provided by I18N that are not old standard
+    // index. Additional formats may define defaults, currently there is no
+    // check if more than one default of a usage/type combination is provided,
+    // like it is done for usage groups with ImpAdjustFormatCodeDefault().
+    // There is no harm though, on first invocation ImpGetDefaultFormat() will
+    // use the first default encountered.
+    aFormatSeq = rNumberFormatCode->getAllFormatCodes( aLocale );
+    for ( const auto& rFormat : std::as_const(aFormatSeq) )
+    {
+        if ( nPos - CLOffset >= SV_COUNTRY_LANGUAGE_OFFSET )
+        {
+            SAL_WARN( "svl.numbers", "ImpGenerateAdditionalFormats: too many formats" );
+            break;  // for
+        }
+        if ( rFormat.Index >= NF_INDEX_TABLE_RESERVED_START )
+        {
+            if ( SvNumberformat* pNewFormat = ImpInsertFormat( rFormat, nPos+1,
+                        bAfterChangingSystemCL ) )
+            {
+                pNewFormat->SetAdditionalBuiltin();
+                nPos++;
+            }
+        }
+    }
+
+    pStdFormat->SetLastInsertKey( static_cast<sal_uInt16>(nPos - CLOffset), SvNumberformat::FormatterPrivateAccess() );
+}
+
+
+sal_Int32 SvNumberFormatter::ImpPosToken ( const OUStringBuffer & sFormat, sal_Unicode token, sal_Int32 nStartPos /* = 0*/ ) const
+{
+    sal_Int32 nLength = sFormat.getLength();
+    for ( sal_Int32 i=nStartPos; i<nLength && i>=0 ; i++ )
+    {
+        switch(sFormat[i])
+        {
+            case '\"' : // skip text
+                i = sFormat.indexOf('\"',i+1);
+                break;
+            case '['  : // skip condition
+                i = sFormat.indexOf(']',i+1);
+                break;
+            case '\\' : // skip escaped character
+                i++;
+                break;
+            case ';'  :
+                if (token == ';')
+                    return i;
+                break;
+            case 'e'  :
+            case 'E'  :
+                if (token == 'E')
+                   return i; // if 'E' is outside "" and [] it must be the 'E' exponent
+                break;
+            default : break;
+        }
+        if ( i<0 )
+            i--;
+    }
+    return -2;
+}
+
+OUString SvNumberFormatter::GenerateFormat(sal_uInt32 nIndex,
+                                           LanguageType eLnge,
+                                           bool bThousand,
+                                           bool IsRed,
+                                           sal_uInt16 nPrecision,
+                                           sal_uInt16 nLeadingZeros)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+
+    const SvNumberformat* pFormat = GetFormatEntry( nIndex );
+    const SvNumFormatType eType = (pFormat ? pFormat->GetMaskedType() : SvNumFormatType::UNDEFINED);
+
+    ImpGenerateCL(eLnge);           // create new standard formats if necessary
+
+    utl::DigitGroupingIterator aGrouping( xLocaleData->getDigitGrouping());
+    // always group of 3 for Engineering notation
+    const sal_Int32 nDigitsInFirstGroup = ( bThousand && (eType == SvNumFormatType::SCIENTIFIC) ) ? 3 : aGrouping.get();
+    const OUString& rThSep = GetNumThousandSep();
+
+    OUStringBuffer sString;
+    using comphelper::string::padToLength;
+
+    if (eType & SvNumFormatType::TIME)
+    {
+        assert(pFormat && "with !pFormat eType can only be SvNumFormatType::UNDEFINED");
+        sString = pFormat->GetFormatStringForTimePrecision( nPrecision );
+    }
+    else if (nLeadingZeros == 0)
+    {
+        if (!bThousand)
+            sString.append('#');
+        else
+        {
+            if (eType == SvNumFormatType::SCIENTIFIC)
+            {  // for scientific, bThousand is used for Engineering notation
+                sString.append("###");
+            }
+            else
+            {
+                sString.append("#" + rThSep);
+                padToLength(sString, sString.getLength() + nDigitsInFirstGroup, '#');
+            }
+        }
+    }
+    else
+    {
+        for (sal_uInt16 i = 0; i < nLeadingZeros; i++)
+        {
+            if (bThousand && i > 0 && i == aGrouping.getPos())
+            {
+                sString.insert(0, rThSep);
+                aGrouping.advance();
+            }
+            sString.insert(0, '0');
+        }
+        if ( bThousand )
+        {
+            sal_Int32 nDigits = (eType == SvNumFormatType::SCIENTIFIC) ?  3*((nLeadingZeros-1)/3 + 1) : nDigitsInFirstGroup + 1;
+            for (sal_Int32 i = nLeadingZeros; i < nDigits; i++)
+            {
+                if ( i % nDigitsInFirstGroup == 0 )
+                    sString.insert(0, rThSep);
+                sString.insert(0, '#');
+            }
+        }
+    }
+    if (nPrecision > 0 && eType != SvNumFormatType::FRACTION && !( eType & SvNumFormatType::TIME ) )
+    {
+        sString.append(GetNumDecimalSep());
+        padToLength(sString, sString.getLength() + nPrecision, '0');
+    }
+
+    // Native Number
+    const OUString sPosNatNumModifier = pFormat ? pFormat->GetNatNumModifierString( 0 ) : "";
+    const OUString sNegNatNumModifier = pFormat ?
+            // if a negative format already exists, use its NatNum modifier
+            // else use NatNum modifier of positive format
+            ( pFormat->GetNumForString( 1, 0 )  ? pFormat->GetNatNumModifierString( 1 ) : sPosNatNumModifier )
+            : "";
+
+    if (eType == SvNumFormatType::PERCENT)
+    {
+        sString.append( pFormat->GetPercentString() );
+    }
+    else if (eType == SvNumFormatType::SCIENTIFIC)
+    {
+      OUStringBuffer sOldFormatString(pFormat->GetFormatstring());
+      sal_Int32 nIndexE = ImpPosToken( sOldFormatString, 'E' );
+      if (nIndexE > -1)
+      {
+        sal_Int32 nIndexSep = ImpPosToken( sOldFormatString, ';', nIndexE );
+        if (nIndexSep > nIndexE)
+            sString.append( sOldFormatString.subView(nIndexE, nIndexSep - nIndexE) );
+        else
+            sString.append( sOldFormatString.subView(nIndexE) );
+      }
+    }
+    else if (eType == SvNumFormatType::CURRENCY)
+    {
+        OUStringBuffer sNegStr(sString);
+        OUString aCurr;
+        const NfCurrencyEntry* pEntry;
+        bool bBank;
+        bool isPosNatNum12 = sPosNatNumModifier.startsWith( "[NatNum12" );
+        bool isNegNatNum12 = sNegNatNumModifier.startsWith( "[NatNum12" );
+        if ( !isPosNatNum12 || !isNegNatNum12 )
+        {
+            if ( GetNewCurrencySymbolString( nIndex, aCurr, &pEntry, &bBank ) )
+            {
+                if ( pEntry )
+                {
+                    sal_uInt16 nPosiForm = NfCurrencyEntry::GetEffectivePositiveFormat(
+                        xLocaleData->getCurrPositiveFormat(),
+                        pEntry->GetPositiveFormat(), bBank );
+                    sal_uInt16 nNegaForm = NfCurrencyEntry::GetEffectiveNegativeFormat(
+                        xLocaleData->getCurrNegativeFormat(),
+                        pEntry->GetNegativeFormat(), bBank );
+                    if ( !isPosNatNum12 )
+                        pEntry->CompletePositiveFormatString( sString, bBank, nPosiForm );
+                    if ( !isNegNatNum12 )
+                        pEntry->CompleteNegativeFormatString( sNegStr, bBank, nNegaForm );
+                }
+                else
+                {   // assume currency abbreviation (AKA banking symbol), not symbol
+                    sal_uInt16 nPosiForm = NfCurrencyEntry::GetEffectivePositiveFormat(
+                        xLocaleData->getCurrPositiveFormat(),
+                        xLocaleData->getCurrPositiveFormat(), true );
+                    sal_uInt16 nNegaForm = NfCurrencyEntry::GetEffectiveNegativeFormat(
+                        xLocaleData->getCurrNegativeFormat(),
+                        xLocaleData->getCurrNegativeFormat(), true );
+                    if ( !isPosNatNum12 )
+                        NfCurrencyEntry::CompletePositiveFormatString( sString, aCurr, nPosiForm );
+                    if ( !isNegNatNum12 )
+                        NfCurrencyEntry::CompleteNegativeFormatString( sNegStr, aCurr, nNegaForm );
+                }
+            }
+            else
+            {   // "automatic" old style
+                OUString aSymbol, aAbbrev;
+                GetCompatibilityCurrency( aSymbol, aAbbrev );
+                if ( !isPosNatNum12 )
+                    NfCurrencyEntry::CompletePositiveFormatString( sString,
+                                        aSymbol, xLocaleData->getCurrPositiveFormat() );
+                if ( !isNegNatNum12 )
+                    NfCurrencyEntry::CompleteNegativeFormatString( sNegStr,
+                                        aSymbol, xLocaleData->getCurrNegativeFormat() );
+            }
+        }
+        sString.append( ';' );
+        if (IsRed)
+        {
+            sString.append("[" +pFormatScanner->GetRedString() + "]");
+        }
+        sString.append( sNegNatNumModifier );
+        if ( isNegNatNum12 )
+        {
+            sString.append( '-' );
+        }
+        sString.append(sNegStr);
+    }
+    else if (eType == SvNumFormatType::FRACTION)
+    {
+        OUString aIntegerFractionDelimiterString = pFormat->GetIntegerFractionDelimiterString( 0 );
+        if ( aIntegerFractionDelimiterString == " " )
+            sString.append( aIntegerFractionDelimiterString );
+        else
+        {
+            sString.append( "\"" + aIntegerFractionDelimiterString + "\"" );
+        }
+        sString.append( pFormat->GetNumeratorString( 0 )
+            + "/" );
+        if ( nPrecision > 0 )
+            padToLength(sString, sString.getLength() + nPrecision, '?');
+        else
+            sString.append( '#' );
+    }
+    if (eType != SvNumFormatType::CURRENCY)
+    {
+        bool insertBrackets = false;
+        if ( eType != SvNumFormatType::UNDEFINED)
+        {
+            insertBrackets = pFormat->IsNegativeInBracket();
+        }
+        if (IsRed || insertBrackets)
+        {
+            OUStringBuffer sTmpStr(sString);
+
+            if (pFormat && pFormat->HasPositiveBracketPlaceholder())
+            {
+                 sTmpStr.append("_)");
+            }
+            sTmpStr.append(';');
+
+            if (IsRed)
+            {
+                sTmpStr.append("[" + pFormatScanner->GetRedString() + "]");
+            }
+            sTmpStr.append( sNegNatNumModifier );
+
+            if (insertBrackets)
+            {
+                sTmpStr.append("(" + sString + ")");
+            }
+            else
+            {
+                sTmpStr.append("-" + sString);
+            }
+            sString = sTmpStr;
+        }
+    }
+    sString.insert( 0, sPosNatNumModifier );
+    return sString.makeStringAndClear();
+}
+
+bool SvNumberFormatter::IsUserDefined(sal_uInt32 F_Index) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry(F_Index);
+
+    return pFormat && (pFormat->GetType() & SvNumFormatType::DEFINED);
+}
+
+bool SvNumberFormatter::IsUserDefined(std::u16string_view sStr,
+                                      LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    sal_uInt32 CLOffset = ImpGenerateCL(eLnge);     // create new standard formats if necessary
+    eLnge = ActLnge;
+
+    sal_uInt32 nKey = ImpIsEntry(sStr, CLOffset, eLnge);
+    if (nKey == NUMBERFORMAT_ENTRY_NOT_FOUND)
+    {
+        return true;
+    }
+    SvNumberformat* pEntry = GetFormatEntry( nKey );
+    return pEntry && (pEntry->GetType() & SvNumFormatType::DEFINED);
+}
+
+sal_uInt32 SvNumberFormatter::GetEntryKey(std::u16string_view sStr,
+                                          LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    sal_uInt32 CLOffset = ImpGenerateCL(eLnge);     // create new standard formats if necessary
+    return ImpIsEntry(sStr, CLOffset, eLnge);
+}
+
+sal_uInt32 SvNumberFormatter::GetStandardIndex(LanguageType eLnge)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (eLnge == LANGUAGE_DONTKNOW)
+    {
+        eLnge = IniLnge;
+    }
+    return GetStandardFormat(SvNumFormatType::NUMBER, eLnge);
+}
+
+SvNumFormatType SvNumberFormatter::GetType(sal_uInt32 nFIndex) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    SvNumFormatType eType;
+    const SvNumberformat* pFormat = GetFormatEntry( nFIndex );
+    if (!pFormat)
+    {
+        eType = SvNumFormatType::UNDEFINED;
+    }
+    else
+    {
+        eType = pFormat->GetMaskedType();
+        if (eType == SvNumFormatType::ALL)
+        {
+            eType = SvNumFormatType::DEFINED;
+        }
+    }
+    return eType;
+}
+
+void SvNumberFormatter::ClearMergeTable()
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( pMergeTable )
+    {
+        pMergeTable->clear();
+    }
+}
+
+SvNumberFormatterIndexTable* SvNumberFormatter::MergeFormatter(SvNumberFormatter& rTable)
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( pMergeTable )
+    {
+        ClearMergeTable();
+    }
+    else
+    {
+        pMergeTable.reset( new SvNumberFormatterIndexTable );
+    }
+
+    sal_uInt32 nCLOffset = 0;
+    sal_uInt32 nOldKey, nOffset, nNewKey;
+
+    for (const auto& rEntry : rTable.aFTable)
+    {
+        SvNumberformat* pFormat = rEntry.second.get();
+        nOldKey = rEntry.first;
+        nOffset = nOldKey % SV_COUNTRY_LANGUAGE_OFFSET;     // relative index
+        if (nOffset == 0)                                   // 1st format of CL
+        {
+            nCLOffset = ImpGenerateCL(pFormat->GetLanguage());
+        }
+        if (nOffset <= SV_MAX_COUNT_STANDARD_FORMATS)     // Std.form.
+        {
+            nNewKey = nCLOffset + nOffset;
+            if (aFTable.find( nNewKey) == aFTable.end())    // not already present
+            {
+                std::unique_ptr<SvNumberformat> pNewEntry(new SvNumberformat( *pFormat, *pFormatScanner ));
+                if (!aFTable.emplace( nNewKey, std::move(pNewEntry)).second)
+                {
+                    SAL_WARN( "svl.numbers", "SvNumberFormatter::MergeFormatter: dup position");
+                }
+            }
+            if (nNewKey != nOldKey)                     // new index
+            {
+                (*pMergeTable)[nOldKey] = nNewKey;
+            }
+        }
+        else                                            // user defined
+        {
+            std::unique_ptr<SvNumberformat> pNewEntry(new SvNumberformat( *pFormat, *pFormatScanner ));
+            nNewKey = ImpIsEntry(pNewEntry->GetFormatstring(),
+                                 nCLOffset,
+                                 pFormat->GetLanguage());
+            if (nNewKey == NUMBERFORMAT_ENTRY_NOT_FOUND) // only if not present yet
+            {
+                SvNumberformat* pStdFormat = GetFormatEntry(nCLOffset + ZF_STANDARD);
+                sal_uInt32 nPos = nCLOffset + pStdFormat->GetLastInsertKey( SvNumberformat::FormatterPrivateAccess() );
+                nNewKey = nPos+1;
+                if (nNewKey - nCLOffset >= SV_COUNTRY_LANGUAGE_OFFSET)
+                {
+                    SAL_WARN( "svl.numbers", "SvNumberFormatter::MergeFormatter: too many formats for CL");
+                }
+                else if (!aFTable.emplace( nNewKey, std::move(pNewEntry)).second)
+                {
+                    SAL_WARN( "svl.numbers", "SvNumberFormatter::MergeFormatter: dup position");
+                }
+                else
+                {
+                    pStdFormat->SetLastInsertKey(static_cast<sal_uInt16>(nNewKey - nCLOffset),
+                            SvNumberformat::FormatterPrivateAccess());
+                }
+            }
+            if (nNewKey != nOldKey)                     // new index
+            {
+                (*pMergeTable)[nOldKey] = nNewKey;
+            }
+        }
+    }
+    return pMergeTable.get();
+}
+
+
+SvNumberFormatterMergeMap SvNumberFormatter::ConvertMergeTableToMap()
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (!HasMergeFormatTable())
+    {
+        return SvNumberFormatterMergeMap();
+    }
+    SvNumberFormatterMergeMap aMap;
+    for (const auto& rEntry : *pMergeTable)
+    {
+        sal_uInt32 nOldKey = rEntry.first;
+        aMap[ nOldKey ] = rEntry.second;
+    }
+    ClearMergeTable();
+    return aMap;
+}
+
+
+sal_uInt32 SvNumberFormatter::GetFormatForLanguageIfBuiltIn( sal_uInt32 nFormat,
+                                                             LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( eLnge == LANGUAGE_DONTKNOW )
+    {
+        eLnge = IniLnge;
+    }
+    if ( nFormat < SV_COUNTRY_LANGUAGE_OFFSET && eLnge == IniLnge )
+    {
+        return nFormat;     // it stays as it is
+    }
+    sal_uInt32 nOffset = nFormat % SV_COUNTRY_LANGUAGE_OFFSET;  // relative index
+    if ( nOffset > SV_MAX_COUNT_STANDARD_FORMATS )
+    {
+        return nFormat;    // not a built-in format
+    }
+    sal_uInt32 nCLOffset = ImpGenerateCL(eLnge);    // create new standard formats if necessary
+    return nCLOffset + nOffset;
+}
+
+
+sal_uInt32 SvNumberFormatter::GetFormatIndex( NfIndexTableOffset nTabOff,
+                                              LanguageType eLnge )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (nTabOff >= NF_INDEX_TABLE_ENTRIES)
+        return NUMBERFORMAT_ENTRY_NOT_FOUND;
+
+    if (eLnge == LANGUAGE_DONTKNOW)
+        eLnge = IniLnge;
+
+    if (indexTable[nTabOff] == NUMBERFORMAT_ENTRY_NOT_FOUND)
+        return NUMBERFORMAT_ENTRY_NOT_FOUND;
+
+    sal_uInt32 nCLOffset = ImpGenerateCL(eLnge);    // create new standard formats if necessary
+
+    return nCLOffset + indexTable[nTabOff];
+}
+
+
+NfIndexTableOffset SvNumberFormatter::GetIndexTableOffset( sal_uInt32 nFormat ) const
+{
+    sal_uInt32 nOffset = nFormat % SV_COUNTRY_LANGUAGE_OFFSET;      // relative index
+    if ( nOffset > SV_MAX_COUNT_STANDARD_FORMATS )
+    {
+        return NF_INDEX_TABLE_ENTRIES;      // not a built-in format
+    }
+
+    for ( sal_uInt16 j = 0; j < NF_INDEX_TABLE_ENTRIES; j++ )
+    {
+        if (indexTable[j] == nOffset)
+            return static_cast<NfIndexTableOffset>(j);
+    }
+    return NF_INDEX_TABLE_ENTRIES;      // bad luck
+}
+
+void SvNumberFormatter::SetEvalDateFormat( NfEvalDateFormat eEDF )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    eEvalDateFormat = eEDF;
+}
+
+NfEvalDateFormat SvNumberFormatter::GetEvalDateFormat() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return eEvalDateFormat;
+}
+
+void SvNumberFormatter::SetYear2000( sal_uInt16 nVal )
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    pStringScanner->SetYear2000( nVal );
+}
+
+
+sal_uInt16 SvNumberFormatter::GetYear2000() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return pStringScanner->GetYear2000();
+}
+
+
+sal_uInt16 SvNumberFormatter::ExpandTwoDigitYear( sal_uInt16 nYear ) const
+{
+    if ( nYear < 100 )
+        return SvNumberFormatter::ExpandTwoDigitYear( nYear,
+            pStringScanner->GetYear2000() );
+    return nYear;
+}
+
+
+// static
+sal_uInt16 SvNumberFormatter::GetYear2000Default()
+{
+    if (!utl::ConfigManager::IsFuzzing())
+        return officecfg::Office::Common::DateFormat::TwoDigitYear::get();
+    return 1930;
+}
+
+// static
+void SvNumberFormatter::resetTheCurrencyTable()
+{
+    SAL_INFO("svl", "Resetting the currency table.");
+
+    nSystemCurrencyPosition = 0;
+    bCurrencyTableInitialized = false;
+
+    GetFormatterRegistry().ConfigurationChanged(nullptr, ConfigurationHints::Locale | ConfigurationHints::Currency | ConfigurationHints::DatePatterns);
+}
+
+// static
+const NfCurrencyTable& SvNumberFormatter::GetTheCurrencyTable()
+{
+    while ( !bCurrencyTableInitialized )
+        ImpInitCurrencyTable();
+    return theCurrencyTable();
+}
+
+
+// static
+const NfCurrencyEntry* SvNumberFormatter::MatchSystemCurrency()
+{
+    // MUST call GetTheCurrencyTable() before accessing nSystemCurrencyPosition
+    const NfCurrencyTable& rTable = GetTheCurrencyTable();
+    return nSystemCurrencyPosition ? &rTable[nSystemCurrencyPosition] : nullptr;
+}
+
+
+// static
+const NfCurrencyEntry& SvNumberFormatter::GetCurrencyEntry( LanguageType eLang )
+{
+    if ( eLang == LANGUAGE_SYSTEM )
+    {
+        const NfCurrencyEntry* pCurr = MatchSystemCurrency();
+        return pCurr ? *pCurr : GetTheCurrencyTable()[0];
+    }
+    else
+    {
+        eLang = MsLangId::getRealLanguage( eLang );
+        const NfCurrencyTable& rTable = GetTheCurrencyTable();
+        sal_uInt16 nCount = rTable.size();
+        for ( sal_uInt16 j = 0; j < nCount; j++ )
+        {
+            if ( rTable[j].GetLanguage() == eLang )
+                return rTable[j];
+        }
+        return rTable[0];
+    }
+}
+
+
+// static
+const NfCurrencyEntry* SvNumberFormatter::GetCurrencyEntry(std::u16string_view rAbbrev, LanguageType eLang )
+{
+    eLang = MsLangId::getRealLanguage( eLang );
+    const NfCurrencyTable& rTable = GetTheCurrencyTable();
+    sal_uInt16 nCount = rTable.size();
+    for ( sal_uInt16 j = 0; j < nCount; j++ )
+    {
+        if ( rTable[j].GetLanguage() == eLang &&
+             rTable[j].GetBankSymbol() == rAbbrev )
+        {
+            return &rTable[j];
+        }
+    }
+    return nullptr;
+}
+
+
+// static
+const NfCurrencyEntry* SvNumberFormatter::GetLegacyOnlyCurrencyEntry( std::u16string_view rSymbol,
+                                                                      std::u16string_view rAbbrev )
+{
+    GetTheCurrencyTable();      // just for initialization
+    const NfCurrencyTable& rTable = theLegacyOnlyCurrencyTable();
+    sal_uInt16 nCount = rTable.size();
+    for ( sal_uInt16 j = 0; j < nCount; j++ )
+    {
+        if ( rTable[j].GetSymbol() == rSymbol &&
+             rTable[j].GetBankSymbol() == rAbbrev )
+        {
+            return &rTable[j];
+        }
+    }
+    return nullptr;
+}
+
+
+// static
+IMPL_STATIC_LINK_NOARG( SvNumberFormatter, CurrencyChangeLink, LinkParamNone*, void )
+{
+    OUString aAbbrev;
+    LanguageType eLang = LANGUAGE_SYSTEM;
+    SvtSysLocaleOptions().GetCurrencyAbbrevAndLanguage( aAbbrev, eLang );
+    SetDefaultSystemCurrency( aAbbrev, eLang );
+}
+
+
+// static
+void SvNumberFormatter::SetDefaultSystemCurrency( std::u16string_view rAbbrev, LanguageType eLang )
+{
+    ::osl::MutexGuard aGuard( GetGlobalMutex() );
+    if ( eLang == LANGUAGE_SYSTEM )
+    {
+        eLang = SvtSysLocale().GetLanguageTag().getLanguageType();
+    }
+    const NfCurrencyTable& rTable = GetTheCurrencyTable();
+    sal_uInt16 nCount = rTable.size();
+    if ( !rAbbrev.empty() )
+    {
+        for ( sal_uInt16 j = 0; j < nCount; j++ )
+        {
+            if ( rTable[j].GetLanguage() == eLang && rTable[j].GetBankSymbol() == rAbbrev )
+            {
+                nSystemCurrencyPosition = j;
+                return ;
+            }
+        }
+    }
+    else
+    {
+        for ( sal_uInt16 j = 0; j < nCount; j++ )
+        {
+            if ( rTable[j].GetLanguage() == eLang )
+            {
+                nSystemCurrencyPosition = j;
+                return ;
+            }
+        }
+    }
+    nSystemCurrencyPosition = 0;    // not found => simple SYSTEM
+}
+
+
+void SvNumberFormatter::ResetDefaultSystemCurrency()
+{
+    nDefaultSystemCurrencyFormat = NUMBERFORMAT_ENTRY_NOT_FOUND;
+}
+
+
+void SvNumberFormatter::InvalidateDateAcceptancePatterns()
+{
+    pStringScanner->InvalidateDateAcceptancePatterns();
+}
+
+
+sal_uInt32 SvNumberFormatter::ImpGetDefaultSystemCurrencyFormat()
+{
+    if ( nDefaultSystemCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+    {
+        sal_Int32 nCheck;
+        SvNumFormatType nType;
+        NfWSStringsDtor aCurrList;
+        sal_uInt16 nDefault = GetCurrencyFormatStrings( aCurrList,
+            GetCurrencyEntry( LANGUAGE_SYSTEM ), false );
+        DBG_ASSERT( aCurrList.size(), "where is the NewCurrency System standard format?!?" );
+        // if already loaded or user defined nDefaultSystemCurrencyFormat
+        // will be set to the right value
+        PutEntry( aCurrList[ nDefault ], nCheck, nType,
+            nDefaultSystemCurrencyFormat, LANGUAGE_SYSTEM );
+        DBG_ASSERT( nCheck == 0, "NewCurrency CheckError" );
+        DBG_ASSERT( nDefaultSystemCurrencyFormat != NUMBERFORMAT_ENTRY_NOT_FOUND,
+            "nDefaultSystemCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND" );
+    }
+    return nDefaultSystemCurrencyFormat;
+}
+
+
+sal_uInt32 SvNumberFormatter::ImpGetDefaultCurrencyFormat()
+{
+    sal_uInt32 CLOffset = ImpGetCLOffset( ActLnge );
+    DefaultFormatKeysMap::const_iterator it = aDefaultFormatKeys.find( CLOffset + ZF_STANDARD_CURRENCY );
+    sal_uInt32 nDefaultCurrencyFormat = (it != aDefaultFormatKeys.end() ?
+            it->second : NUMBERFORMAT_ENTRY_NOT_FOUND);
+    if ( nDefaultCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+    {
+        // look for a defined standard
+        sal_uInt32 nStopKey = CLOffset + SV_COUNTRY_LANGUAGE_OFFSET;
+        sal_uInt32 nKey(0);
+        auto it2 = aFTable.lower_bound( CLOffset );
+        while ( it2 != aFTable.end() && (nKey = it2->first) >= CLOffset && nKey < nStopKey )
+        {
+            const SvNumberformat* pEntry = it2->second.get();
+            if ( pEntry->IsStandard() && (pEntry->GetType() & SvNumFormatType::CURRENCY) )
+            {
+                nDefaultCurrencyFormat = nKey;
+                break;  // while
+            }
+            ++it2;
+        }
+
+        if ( nDefaultCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+        {   // none found, create one
+            sal_Int32 nCheck;
+            NfWSStringsDtor aCurrList;
+            sal_uInt16 nDefault = GetCurrencyFormatStrings( aCurrList,
+                GetCurrencyEntry( ActLnge ), false );
+            DBG_ASSERT( aCurrList.size(), "where is the NewCurrency standard format?" );
+            if ( !aCurrList.empty() )
+            {
+                // if already loaded or user defined nDefaultSystemCurrencyFormat
+                // will be set to the right value
+                SvNumFormatType nType;
+                PutEntry( aCurrList[ nDefault ], nCheck, nType,
+                    nDefaultCurrencyFormat, ActLnge );
+                DBG_ASSERT( nCheck == 0, "NewCurrency CheckError" );
+                DBG_ASSERT( nDefaultCurrencyFormat != NUMBERFORMAT_ENTRY_NOT_FOUND,
+                    "nDefaultCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND" );
+            }
+            // old automatic currency format as a last resort
+            if ( nDefaultCurrencyFormat == NUMBERFORMAT_ENTRY_NOT_FOUND )
+                nDefaultCurrencyFormat = CLOffset + ZF_STANDARD_CURRENCY+3;
+            else
+            {   // mark as standard so that it is found next time
+                SvNumberformat* pEntry = GetFormatEntry( nDefaultCurrencyFormat );
+                if ( pEntry )
+                    pEntry->SetStandard();
+            }
+        }
+        aDefaultFormatKeys[ CLOffset + ZF_STANDARD_CURRENCY ] = nDefaultCurrencyFormat;
+    }
+    return nDefaultCurrencyFormat;
+}
+
+
+// static
+// true: continue; false: break loop, if pFoundEntry==NULL dupe found
+bool SvNumberFormatter::ImpLookupCurrencyEntryLoopBody(
+    const NfCurrencyEntry*& pFoundEntry, bool& bFoundBank, const NfCurrencyEntry* pData,
+    sal_uInt16 nPos, std::u16string_view rSymbol )
+{
+    bool bFound;
+    if ( pData->GetSymbol() == rSymbol )
+    {
+        bFound = true;
+        bFoundBank = false;
+    }
+    else if ( pData->GetBankSymbol() == rSymbol )
+    {
+        bFound = true;
+        bFoundBank = true;
+    }
+    else
+        bFound = false;
+    if ( bFound )
+    {
+        if ( pFoundEntry && pFoundEntry != pData )
+        {
+            pFoundEntry = nullptr;
+            return false;   // break loop, not unique
+        }
+        if ( nPos == 0 )
+        {   // first entry is SYSTEM
+            pFoundEntry = MatchSystemCurrency();
+            if ( pFoundEntry )
+            {
+                return false;   // break loop
+                // even if there are more matching entries
+                // this one is probably the one we are looking for
+            }
+            else
+            {
+                pFoundEntry = pData;
+            }
+        }
+        else
+        {
+            pFoundEntry = pData;
+        }
+    }
+    return true;
+}
+
+
+bool SvNumberFormatter::GetNewCurrencySymbolString( sal_uInt32 nFormat, OUString& rStr,
+                                                    const NfCurrencyEntry** ppEntry /* = NULL */,
+                                                    bool* pBank /* = NULL */ ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if ( ppEntry )
+        *ppEntry = nullptr;
+    if ( pBank )
+        *pBank = false;
+
+    const SvNumberformat* pFormat = GetFormatEntry(nFormat);
+    if ( pFormat )
+    {
+        OUString aSymbol, aExtension;
+        if ( pFormat->GetNewCurrencySymbol( aSymbol, aExtension ) )
+        {
+            OUStringBuffer sBuff(128); // guess-estimate of a value that will pretty much guarantee no re-alloc
+            if ( ppEntry )
+            {
+                bool bFoundBank = false;
+                // we definitely need an entry matching the format code string
+                const NfCurrencyEntry* pFoundEntry = GetCurrencyEntry(
+                    bFoundBank, aSymbol, aExtension, pFormat->GetLanguage(),
+                    true );
+                if ( pFoundEntry )
+                {
+                    *ppEntry = pFoundEntry;
+                    if ( pBank )
+                        *pBank = bFoundBank;
+                    rStr = pFoundEntry->BuildSymbolString(bFoundBank);
+                }
+            }
+            if ( rStr.isEmpty() )
+            {   // analog to BuildSymbolString
+                sBuff.append("[$");
+                if ( aSymbol.indexOf( '-' ) != -1 ||
+                        aSymbol.indexOf( ']' ) != -1 )
+                {
+                    sBuff.append("\"" + aSymbol + "\"");
+                }
+                else
+                {
+                    sBuff.append(aSymbol);
+                }
+                if ( !aExtension.isEmpty() )
+                {
+                    sBuff.append(aExtension);
+                }
+                sBuff.append(']');
+            }
+            rStr = sBuff.makeStringAndClear();
+            return true;
+        }
+    }
+    rStr.clear();
+    return false;
+}
+
+
+// static
+const NfCurrencyEntry* SvNumberFormatter::GetCurrencyEntry( bool & bFoundBank,
+                                                            std::u16string_view rSymbol,
+                                                            std::u16string_view rExtension,
+                                                            LanguageType eFormatLanguage,
+                                                            bool bOnlyStringLanguage )
+{
+    sal_Int32 nExtLen = rExtension.size();
+    LanguageType eExtLang;
+    if ( nExtLen )
+    {
+        // rExtension should be a 16-bit hex value max FFFF which may contain a
+        // leading "-" separator (that is not a minus sign, but toInt32 can be
+        // used to parse it, with post-processing as necessary):
+        sal_Int32 nExtLang = o3tl::toInt32(rExtension, 16);
+        if ( !nExtLang )
+        {
+            eExtLang = LANGUAGE_DONTKNOW;
+        }
+        else
+        {
+            if (nExtLang < 0)
+                nExtLang = -nExtLang;
+            SAL_WARN_IF(nExtLang > 0xFFFF, "svl.numbers", "Out of range Lang Id: " << nExtLang << " from input string: " << OUString(rExtension));
+            eExtLang = LanguageType(nExtLang & 0xFFFF);
+        }
+    }
+    else
+    {
+        eExtLang = LANGUAGE_DONTKNOW;
+    }
+    const NfCurrencyEntry* pFoundEntry = nullptr;
+    const NfCurrencyTable& rTable = GetTheCurrencyTable();
+    sal_uInt16 nCount = rTable.size();
+    bool bCont = true;
+
+    // first try with given extension language/country
+    if ( nExtLen )
+    {
+        for ( sal_uInt16 j = 0; j < nCount && bCont; j++ )
+        {
+            LanguageType eLang = rTable[j].GetLanguage();
+            if ( eLang == eExtLang ||
+                 ((eExtLang == LANGUAGE_DONTKNOW) &&
+                  (eLang == LANGUAGE_SYSTEM)))
+            {
+                bCont = ImpLookupCurrencyEntryLoopBody( pFoundEntry, bFoundBank,
+                                                        &rTable[j], j, rSymbol );
+            }
+        }
+    }
+
+    // ok?
+    if ( pFoundEntry || !bCont || (bOnlyStringLanguage && nExtLen) )
+    {
+        return pFoundEntry;
+    }
+    if ( !bOnlyStringLanguage )
+    {
+        // now try the language/country of the number format
+        for ( sal_uInt16 j = 0; j < nCount && bCont; j++ )
+        {
+            LanguageType eLang = rTable[j].GetLanguage();
+            if ( eLang == eFormatLanguage ||
+                 ((eFormatLanguage == LANGUAGE_DONTKNOW) &&
+                  (eLang == LANGUAGE_SYSTEM)))
+            {
+                bCont = ImpLookupCurrencyEntryLoopBody( pFoundEntry, bFoundBank,
+                                                        &rTable[j], j, rSymbol );
+            }
+        }
+
+        // ok?
+        if ( pFoundEntry || !bCont )
+        {
+            return pFoundEntry;
+        }
+    }
+
+    // then try without language/country if no extension specified
+    if ( !nExtLen )
+    {
+        for ( sal_uInt16 j = 0; j < nCount && bCont; j++ )
+        {
+            bCont = ImpLookupCurrencyEntryLoopBody( pFoundEntry, bFoundBank,
+                                                    &rTable[j], j, rSymbol );
+        }
+    }
+
+    return pFoundEntry;
+}
+
+
+void SvNumberFormatter::GetCompatibilityCurrency( OUString& rSymbol, OUString& rAbbrev ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    const css::uno::Sequence< css::i18n::Currency2 >
+        xCurrencies( xLocaleData->getAllCurrencies() );
+
+    auto pCurrency = std::find_if(xCurrencies.begin(), xCurrencies.end(),
+        [](const css::i18n::Currency2& rCurrency) { return rCurrency.UsedInCompatibleFormatCodes; });
+    if (pCurrency != xCurrencies.end())
+    {
+        rSymbol = pCurrency->Symbol;
+        rAbbrev = pCurrency->BankSymbol;
+    }
+    else
+    {
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            LocaleDataWrapper::outputCheckMessage( xLocaleData->
+                                                   appendLocaleInfo( u"GetCompatibilityCurrency: none?"));
+        }
+        rSymbol = xLocaleData->getCurrSymbol();
+        rAbbrev = xLocaleData->getCurrBankSymbol();
+    }
+}
+
+
+static void lcl_CheckCurrencySymbolPosition( const NfCurrencyEntry& rCurr )
+{
+    switch ( rCurr.GetPositiveFormat() )
+    {
+    case 0:                                         // $1
+    case 1:                                         // 1$
+    case 2:                                         // $ 1
+    case 3:                                         // 1 $
+        break;
+    default:
+        LocaleDataWrapper::outputCheckMessage( "lcl_CheckCurrencySymbolPosition: unknown PositiveFormat");
+        break;
+    }
+    switch ( rCurr.GetNegativeFormat() )
+    {
+    case 0:                                         // ($1)
+    case 1:                                         // -$1
+    case 2:                                         // $-1
+    case 3:                                         // $1-
+    case 4:                                         // (1$)
+    case 5:                                         // -1$
+    case 6:                                         // 1-$
+    case 7:                                         // 1$-
+    case 8:                                         // -1 $
+    case 9:                                         // -$ 1
+    case 10:                                        // 1 $-
+    case 11:                                        // $ -1
+    case 12 :                                       // $ 1-
+    case 13 :                                       // 1- $
+    case 14 :                                       // ($ 1)
+    case 15 :                                       // (1 $)
+        break;
+    default:
+        LocaleDataWrapper::outputCheckMessage( "lcl_CheckCurrencySymbolPosition: unknown NegativeFormat");
+        break;
+    }
+}
+
+// static
+bool SvNumberFormatter::IsLocaleInstalled( LanguageType eLang )
+{
+    // The set is initialized as a side effect of the currency table
+    // created, make sure that exists, which usually is the case unless a
+    // SvNumberFormatter was never instantiated.
+    GetTheCurrencyTable();
+    return theInstalledLocales.find( eLang) != theInstalledLocales.end();
+}
+
+// static
+void SvNumberFormatter::ImpInitCurrencyTable()
+{
+    // Race condition possible:
+    // ::osl::MutexGuard aGuard( GetMutex() );
+    // while ( !bCurrencyTableInitialized )
+    //      ImpInitCurrencyTable();
+    static bool bInitializing = false;
+    if ( bCurrencyTableInitialized || bInitializing )
+    {
+        return ;
+    }
+    bInitializing = true;
+
+    LanguageType eSysLang = SvtSysLocale().GetLanguageTag().getLanguageType();
+    std::optional<LocaleDataWrapper> pLocaleData(std::in_place,
+        ::comphelper::getProcessComponentContext(),
+        SvtSysLocale().GetLanguageTag() );
+    // get user configured currency
+    OUString aConfiguredCurrencyAbbrev;
+    LanguageType eConfiguredCurrencyLanguage = LANGUAGE_SYSTEM;
+    SvtSysLocaleOptions().GetCurrencyAbbrevAndLanguage(
+        aConfiguredCurrencyAbbrev, eConfiguredCurrencyLanguage );
+    sal_uInt16 nSecondarySystemCurrencyPosition = 0;
+    sal_uInt16 nMatchingSystemCurrencyPosition = 0;
+
+    // First entry is SYSTEM:
+    auto& rCurrencyTable = theCurrencyTable();
+    rCurrencyTable.insert(
+        rCurrencyTable.begin(),
+        NfCurrencyEntry(*pLocaleData, LANGUAGE_SYSTEM));
+    sal_uInt16 nCurrencyPos = 1;
+
+    const css::uno::Sequence< css::lang::Locale > xLoc = LocaleDataWrapper::getInstalledLocaleNames();
+    sal_Int32 nLocaleCount = xLoc.getLength();
+    SAL_INFO( "svl.numbers", "number of locales: \"" << nLocaleCount << "\"" );
+    NfCurrencyTable &rLegacyOnlyCurrencyTable = theLegacyOnlyCurrencyTable();
+    sal_uInt16 nLegacyOnlyCurrencyPos = 0;
+    for ( css::lang::Locale const & rLocale : xLoc )
+    {
+        LanguageType eLang = LanguageTag::convertToLanguageType( rLocale, false);
+        theInstalledLocales.insert( eLang);
+        pLocaleData.emplace(
+            ::comphelper::getProcessComponentContext(),
+            LanguageTag(rLocale) );
+        Sequence< Currency2 > aCurrSeq = pLocaleData->getAllCurrencies();
+        sal_Int32 nCurrencyCount = aCurrSeq.getLength();
+        Currency2 const * const pCurrencies = aCurrSeq.getConstArray();
+
+        // one default currency for each locale, insert first so it is found first
+        sal_Int32 nDefault;
+        for ( nDefault = 0; nDefault < nCurrencyCount; nDefault++ )
+        {
+            if ( pCurrencies[nDefault].Default )
+                break;
+        }
+        std::optional<NfCurrencyEntry> pEntry;
+        if ( nDefault < nCurrencyCount )
+        {
+            pEntry.emplace(pCurrencies[nDefault], *pLocaleData, eLang);
+        }
+        else
+        {   // first or ShellsAndPebbles
+            pEntry.emplace(*pLocaleData, eLang);
+        }
+        if (LocaleDataWrapper::areChecksEnabled())
+        {
+            lcl_CheckCurrencySymbolPosition( *pEntry );
+        }
+        if ( !nSystemCurrencyPosition && !aConfiguredCurrencyAbbrev.isEmpty() &&
+             pEntry->GetBankSymbol() == aConfiguredCurrencyAbbrev &&
+             pEntry->GetLanguage() == eConfiguredCurrencyLanguage )
+        {
+            nSystemCurrencyPosition = nCurrencyPos;
+        }
+        if ( !nMatchingSystemCurrencyPosition &&
+             pEntry->GetLanguage() == eSysLang )
+        {
+            nMatchingSystemCurrencyPosition = nCurrencyPos;
+        }
+        rCurrencyTable.insert(
+                rCurrencyTable.begin() + nCurrencyPos++, std::move(*pEntry));
+        // all remaining currencies for each locale
+        if ( nCurrencyCount > 1 )
+        {
+            sal_Int32 nCurrency;
+            for ( nCurrency = 0; nCurrency < nCurrencyCount; nCurrency++ )
+            {
+                if (pCurrencies[nCurrency].LegacyOnly)
+                {
+                    rLegacyOnlyCurrencyTable.insert(
+                        rLegacyOnlyCurrencyTable.begin() + nLegacyOnlyCurrencyPos++,
+                        NfCurrencyEntry(
+                            pCurrencies[nCurrency], *pLocaleData, eLang));
+                }
+                else if ( nCurrency != nDefault )
+                {
+                    pEntry.emplace(pCurrencies[nCurrency], *pLocaleData, eLang);
+                    // no dupes
+                    bool bInsert = true;
+                    sal_uInt16 n = rCurrencyTable.size();
+                    sal_uInt16 aCurrencyIndex = 1; // skip first SYSTEM entry
+                    for ( sal_uInt16 j=1; j<n; j++ )
+                    {
+                        if ( rCurrencyTable[aCurrencyIndex++] == *pEntry )
+                        {
+                            bInsert = false;
+                            break;  // for
+                        }
+                    }
+                    if ( !bInsert )
+                    {
+                        pEntry.reset();
+                    }
+                    else
+                    {
+                        if ( !nSecondarySystemCurrencyPosition &&
+                             (!aConfiguredCurrencyAbbrev.isEmpty() ?
+                              pEntry->GetBankSymbol() == aConfiguredCurrencyAbbrev :
+                              pEntry->GetLanguage() == eConfiguredCurrencyLanguage) )
+                        {
+                            nSecondarySystemCurrencyPosition = nCurrencyPos;
+                        }
+                        if ( !nMatchingSystemCurrencyPosition &&
+                             pEntry->GetLanguage() ==  eSysLang )
+                        {
+                            nMatchingSystemCurrencyPosition = nCurrencyPos;
+                        }
+                        rCurrencyTable.insert(
+                            rCurrencyTable.begin() + nCurrencyPos++, std::move(*pEntry));
+                    }
+                }
+            }
+        }
+    }
+    if ( !nSystemCurrencyPosition )
+    {
+        nSystemCurrencyPosition = nSecondarySystemCurrencyPosition;
+    }
+    if ((!aConfiguredCurrencyAbbrev.isEmpty() && !nSystemCurrencyPosition) &&
+        LocaleDataWrapper::areChecksEnabled())
+    {
+        LocaleDataWrapper::outputCheckMessage(
+                "SvNumberFormatter::ImpInitCurrencyTable: configured currency not in I18N locale data.");
+    }
+    // match SYSTEM if no configured currency found
+    if ( !nSystemCurrencyPosition )
+    {
+        nSystemCurrencyPosition = nMatchingSystemCurrencyPosition;
+    }
+    if ((aConfiguredCurrencyAbbrev.isEmpty() && !nSystemCurrencyPosition) &&
+        LocaleDataWrapper::areChecksEnabled())
+    {
+        LocaleDataWrapper::outputCheckMessage(
+                "SvNumberFormatter::ImpInitCurrencyTable: system currency not in I18N locale data.");
+    }
+    pLocaleData.reset();
+    SvtSysLocaleOptions::SetCurrencyChangeLink( LINK( nullptr, SvNumberFormatter, CurrencyChangeLink ) );
+    bInitializing = false;
+    bCurrencyTableInitialized = true;
+}
+
+
+static std::ptrdiff_t addToCurrencyFormatsList( NfWSStringsDtor& rStrArr, const OUString& rFormat )
+{
+    // Prevent duplicates even over subsequent calls of
+    // GetCurrencyFormatStrings() with the same vector.
+    NfWSStringsDtor::const_iterator it( std::find( rStrArr.begin(), rStrArr.end(), rFormat));
+    if (it != rStrArr.end())
+        return it - rStrArr.begin();
+
+    rStrArr.push_back( rFormat);
+    return rStrArr.size() - 1;
+}
+
+
+sal_uInt16 SvNumberFormatter::GetCurrencyFormatStrings( NfWSStringsDtor& rStrArr,
+                                                        const NfCurrencyEntry& rCurr,
+                                                        bool bBank ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    OUString aRed = "["
+                  + pFormatScanner->GetRedString()
+                  + "]";
+
+    sal_uInt16 nDefault = 0;
+    if ( bBank )
+    {
+        // Only bank symbols.
+        OUString aPositiveBank = rCurr.BuildPositiveFormatString(true, *xLocaleData);
+        OUString aNegativeBank = rCurr.BuildNegativeFormatString(true, *xLocaleData );
+
+        OUString format1 = aPositiveBank
+                         + ";"
+                         + aNegativeBank;
+        addToCurrencyFormatsList( rStrArr, format1);
+
+        OUString format2 = aPositiveBank
+                         + ";"
+                         + aRed
+                         + aNegativeBank;
+        nDefault = addToCurrencyFormatsList( rStrArr, format2);
+    }
+    else
+    {
+        // Mixed formats like in SvNumberFormatter::ImpGenerateFormats() but no
+        // duplicates if no decimals in currency.
+        OUString aPositive = rCurr.BuildPositiveFormatString(false, *xLocaleData );
+        OUString aNegative = rCurr.BuildNegativeFormatString(false, *xLocaleData );
+        OUString format1;
+        OUString format2;
+        OUString format3;
+        OUString format4;
+        OUString format5;
+        if (rCurr.GetDigits())
+        {
+            OUString aPositiveNoDec = rCurr.BuildPositiveFormatString(false, *xLocaleData, 0);
+            OUString aNegativeNoDec = rCurr.BuildNegativeFormatString(false, *xLocaleData, 0 );
+            OUString aPositiveDashed = rCurr.BuildPositiveFormatString(false, *xLocaleData, 2);
+            OUString aNegativeDashed = rCurr.BuildNegativeFormatString(false, *xLocaleData, 2);
+
+            format1 = aPositiveNoDec
+                    + ";"
+                    + aNegativeNoDec;
+
+            format3 = aPositiveNoDec
+                    + ";"
+                    + aRed
+                    + aNegativeNoDec;
+
+            format5 = aPositiveDashed
+                    + ";"
+                    + aRed
+                    + aNegativeDashed;
+        }
+
+        format2 = aPositive
+                + ";"
+                + aNegative;
+
+        format4 = aPositive
+                + ";"
+                + aRed
+                + aNegative;
+
+        if (rCurr.GetDigits())
+        {
+            addToCurrencyFormatsList( rStrArr, format1);
+        }
+        addToCurrencyFormatsList( rStrArr, format2);
+        if (rCurr.GetDigits())
+        {
+            addToCurrencyFormatsList( rStrArr, format3);
+        }
+        nDefault = addToCurrencyFormatsList( rStrArr, format4);
+        if (rCurr.GetDigits())
+        {
+            addToCurrencyFormatsList( rStrArr, format5);
+        }
+    }
+    return nDefault;
+}
+
+sal_uInt32 SvNumberFormatter::GetMergeFormatIndex( sal_uInt32 nOldFmt ) const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    if (pMergeTable)
+    {
+        SvNumberFormatterIndexTable::const_iterator it = pMergeTable->find(nOldFmt);
+        if (it != pMergeTable->end())
+        {
+            return it->second;
+        }
+    }
+    return nOldFmt;
+}
+
+bool SvNumberFormatter::HasMergeFormatTable() const
+{
+    ::osl::MutexGuard aGuard( GetInstanceMutex() );
+    return pMergeTable && !pMergeTable->empty();
+}
+
+// static
+sal_uInt16 SvNumberFormatter::ExpandTwoDigitYear( sal_uInt16 nYear, sal_uInt16 nTwoDigitYearStart )
+{
+    if ( nYear < 100 )
+    {
+        if ( nYear < (nTwoDigitYearStart % 100) )
+        {
+            return nYear + (((nTwoDigitYearStart / 100) + 1) * 100);
+        }
+        else
+        {
+            return nYear + ((nTwoDigitYearStart / 100) * 100);
+        }
+    }
+    return nYear;
+}
+
+NfCurrencyEntry::NfCurrencyEntry( const LocaleDataWrapper& rLocaleData, LanguageType eLang )
+{
+    aSymbol         = rLocaleData.getCurrSymbol();
+    aBankSymbol     = rLocaleData.getCurrBankSymbol();
+    eLanguage       = eLang;
+    nPositiveFormat = rLocaleData.getCurrPositiveFormat();
+    nNegativeFormat = rLocaleData.getCurrNegativeFormat();
+    nDigits         = rLocaleData.getCurrDigits();
+    cZeroChar       = rLocaleData.getCurrZeroChar();
+}
+
+
+NfCurrencyEntry::NfCurrencyEntry( const css::i18n::Currency & rCurr,
+                                  const LocaleDataWrapper& rLocaleData, LanguageType eLang )
+{
+    aSymbol         = rCurr.Symbol;
+    aBankSymbol     = rCurr.BankSymbol;
+    eLanguage       = eLang;
+    nPositiveFormat = rLocaleData.getCurrPositiveFormat();
+    nNegativeFormat = rLocaleData.getCurrNegativeFormat();
+    nDigits         = rCurr.DecimalPlaces;
+    cZeroChar       = rLocaleData.getCurrZeroChar();
+}
+
+bool NfCurrencyEntry::operator==( const NfCurrencyEntry& r ) const
+{
+    return aSymbol      == r.aSymbol
+        && aBankSymbol  == r.aBankSymbol
+        && eLanguage    == r.eLanguage
+        ;
+}
+
+OUString NfCurrencyEntry::BuildSymbolString(bool bBank,
+                                            bool bWithoutExtension) const
+{
+    OUStringBuffer aBuf("[$");
+    if (bBank)
+    {
+        aBuf.append(aBankSymbol);
+    }
+    else
+    {
+        if ( aSymbol.indexOf( '-' ) >= 0 ||
+             aSymbol.indexOf( ']' ) >= 0)
+        {
+            aBuf.append("\"" + aSymbol + "\"");
+        }
+        else
+        {
+            aBuf.append(aSymbol);
+        }
+        if ( !bWithoutExtension && eLanguage != LANGUAGE_DONTKNOW && eLanguage != LANGUAGE_SYSTEM )
+        {
+            sal_Int32 nLang = static_cast<sal_uInt16>(eLanguage);
+            aBuf.append("-" + OUString::number(nLang, 16).toAsciiUpperCase());
+        }
+    }
+    aBuf.append(']');
+    return aBuf.makeStringAndClear();
+}
+
+OUString NfCurrencyEntry::Impl_BuildFormatStringNumChars( const LocaleDataWrapper& rLoc,
+                                                          sal_uInt16 nDecimalFormat) const
+{
+    OUStringBuffer aBuf("#" + rLoc.getNumThousandSep() + "##0");
+    if (nDecimalFormat && nDigits)
+    {
+        aBuf.append(rLoc.getNumDecimalSep());
+        sal_Unicode cDecimalChar = nDecimalFormat == 2 ? '-' : cZeroChar;
+        for (sal_uInt16 i = 0; i < nDigits; ++i)
+        {
+            aBuf.append(cDecimalChar);
+        }
+    }
+    return aBuf.makeStringAndClear();
+}
+
+
+OUString NfCurrencyEntry::BuildPositiveFormatString(bool bBank, const LocaleDataWrapper& rLoc,
+                                                    sal_uInt16 nDecimalFormat) const
+{
+    OUStringBuffer sBuf(Impl_BuildFormatStringNumChars(rLoc, nDecimalFormat));
+    sal_uInt16 nPosiForm = NfCurrencyEntry::GetEffectivePositiveFormat( rLoc.getCurrPositiveFormat(),
+                                                                        nPositiveFormat, bBank );
+    CompletePositiveFormatString(sBuf, bBank, nPosiForm);
+    return sBuf.makeStringAndClear();
+}
+
+
+OUString NfCurrencyEntry::BuildNegativeFormatString(bool bBank,
+            const LocaleDataWrapper& rLoc, sal_uInt16 nDecimalFormat ) const
+{
+    OUStringBuffer sBuf(Impl_BuildFormatStringNumChars(rLoc, nDecimalFormat));
+    sal_uInt16 nNegaForm = NfCurrencyEntry::GetEffectiveNegativeFormat( rLoc.getCurrNegativeFormat(),
+                                                                        nNegativeFormat, bBank );
+    CompleteNegativeFormatString(sBuf, bBank, nNegaForm);
+    return sBuf.makeStringAndClear();
+}
+
+
+void NfCurrencyEntry::CompletePositiveFormatString(OUStringBuffer& rStr, bool bBank,
+                                                   sal_uInt16 nPosiForm) const
+{
+    OUString aSymStr = BuildSymbolString(bBank);
+    NfCurrencyEntry::CompletePositiveFormatString( rStr, aSymStr, nPosiForm );
+}
+
+
+void NfCurrencyEntry::CompleteNegativeFormatString(OUStringBuffer& rStr, bool bBank,
+                                                   sal_uInt16 nNegaForm) const
+{
+    OUString aSymStr = BuildSymbolString(bBank);
+    NfCurrencyEntry::CompleteNegativeFormatString( rStr, aSymStr, nNegaForm );
+}
+
+
+// static
+void NfCurrencyEntry::CompletePositiveFormatString(OUStringBuffer& rStr, std::u16string_view rSymStr,
+                                                   sal_uInt16 nPositiveFormat)
+{
+    switch( nPositiveFormat )
+    {
+        case 0:                                         // $1
+            rStr.insert(0, rSymStr);
+        break;
+        case 1:                                         // 1$
+            rStr.append(rSymStr);
+        break;
+        case 2:                                         // $ 1
+        {
+            rStr.insert(0, OUString::Concat(rSymStr) + " ");
+        }
+        break;
+        case 3:                                         // 1 $
+        {
+            rStr.append(' ');
+            rStr.append(rSymStr);
+        }
+        break;
+        default:
+            SAL_WARN( "svl.numbers", "NfCurrencyEntry::CompletePositiveFormatString: unknown option");
+        break;
+    }
+}
+
+
+// static
+void NfCurrencyEntry::CompleteNegativeFormatString(OUStringBuffer& rStr,
+                                                   std::u16string_view rSymStr,
+                                                   sal_uInt16 nNegativeFormat)
+{
+    switch( nNegativeFormat )
+    {
+        case 0:                                         // ($1)
+        {
+            rStr.insert(0, OUString::Concat("(") + rSymStr);
+            rStr.append(')');
+        }
+        break;
+        case 1:                                         // -$1
+        {
+            rStr.insert(0, OUString::Concat("-") + rSymStr);
+        }
+        break;
+        case 2:                                         // $-1
+        {
+            rStr.insert(0, OUString::Concat(rSymStr) + "-");
+        }
+        break;
+        case 3:                                         // $1-
+        {
+            rStr.insert(0, rSymStr);
+            rStr.append('-');
+        }
+        break;
+        case 4:                                         // (1$)
+        {
+            rStr.insert(0, '(');
+            rStr.append(rSymStr);
+            rStr.append(')');
+        }
+        break;
+        case 5:                                         // -1$
+        {
+            rStr.append(rSymStr);
+            rStr.insert(0, '-');
+        }
+        break;
+        case 6:                                         // 1-$
+        {
+            rStr.append('-');
+            rStr.append(rSymStr);
+        }
+        break;
+        case 7:                                         // 1$-
+        {
+            rStr.append(rSymStr);
+            rStr.append('-');
+        }
+        break;
+        case 8:                                         // -1 $
+        {
+            rStr.append(' ');
+            rStr.append(rSymStr);
+            rStr.insert(0, '-');
+        }
+        break;
+        case 9:                                         // -$ 1
+        {
+            rStr.insert(0, OUString::Concat("-") + rSymStr + " ");
+        }
+        break;
+        case 10:                                        // 1 $-
+        {
+            rStr.append(' ');
+            rStr.append(rSymStr);
+            rStr.append('-');
+        }
+        break;
+        case 11:                                        // $ -1
+        {
+            rStr.insert(0, OUString::Concat(rSymStr) + " -");
+        }
+        break;
+        case 12 :                                       // $ 1-
+        {
+            rStr.insert(0, OUString::Concat(rSymStr) + " ");
+            rStr.append('-');
+        }
+        break;
+        case 13 :                                       // 1- $
+        {
+            rStr.append('-');
+            rStr.append(' ');
+            rStr.append(rSymStr);
+        }
+        break;
+        case 14 :                                       // ($ 1)
+        {
+            rStr.insert(0, OUString::Concat("(") + rSymStr + " ");
+            rStr.append(')');
+        }
+        break;
+        case 15 :                                       // (1 $)
+        {
+            rStr.insert(0, '(');
+            rStr.append(' ');
+            rStr.append(rSymStr);
+            rStr.append(')');
+        }
+        break;
+        default:
+            SAL_WARN( "svl.numbers", "NfCurrencyEntry::CompleteNegativeFormatString: unknown option");
+        break;
+    }
+}
+
+
+// static
+sal_uInt16 NfCurrencyEntry::GetEffectivePositiveFormat( sal_uInt16 nIntlFormat,
+                                                        sal_uInt16 nCurrFormat, bool bBank )
+{
+    if ( bBank )
+    {
+#if NF_BANKSYMBOL_FIX_POSITION
+        (void) nIntlFormat; // avoid warnings
+        return 3;
+#else
+        switch ( nIntlFormat )
+        {
+        case 0:                                         // $1
+            nIntlFormat = 2;                            // $ 1
+            break;
+        case 1:                                         // 1$
+            nIntlFormat = 3;                            // 1 $
+            break;
+        case 2:                                         // $ 1
+            break;
+        case 3:                                         // 1 $
+            break;
+        default:
+            SAL_WARN( "svl.numbers", "NfCurrencyEntry::GetEffectivePositiveFormat: unknown option");
+            break;
+        }
+        return nIntlFormat;
+#endif
+    }
+    else
+        return nCurrFormat;
+}
+
+
+//! Call this only if nCurrFormat is really with parentheses!
+static sal_uInt16 lcl_MergeNegativeParenthesisFormat( sal_uInt16 nIntlFormat, sal_uInt16 nCurrFormat )
+{
+    short nSign = 0;        // -1:=bracket 0:=left, 1:=middle, 2:=right
+    switch ( nIntlFormat )
+    {
+    case 0:                                         // ($1)
+    case 4:                                         // (1$)
+    case 14 :                                       // ($ 1)
+    case 15 :                                       // (1 $)
+        return nCurrFormat;
+    case 1:                                         // -$1
+    case 5:                                         // -1$
+    case 8:                                         // -1 $
+    case 9:                                         // -$ 1
+        nSign = 0;
+        break;
+    case 2:                                         // $-1
+    case 6:                                         // 1-$
+    case 11 :                                       // $ -1
+    case 13 :                                       // 1- $
+        nSign = 1;
+        break;
+    case 3:                                         // $1-
+    case 7:                                         // 1$-
+    case 10:                                        // 1 $-
+    case 12 :                                       // $ 1-
+        nSign = 2;
+        break;
+    default:
+        SAL_WARN( "svl.numbers", "lcl_MergeNegativeParenthesisFormat: unknown option");
+        break;
+    }
+
+    switch ( nCurrFormat )
+    {
+    case 0:                                         // ($1)
+        switch ( nSign )
+        {
+        case 0:
+            return 1;                           // -$1
+        case 1:
+            return 2;                           // $-1
+        case 2:
+            return 3;                           // $1-
+        }
+        break;
+    case 4:                                         // (1$)
+        switch ( nSign )
+        {
+        case 0:
+            return 5;                           // -1$
+        case 1:
+            return 6;                           // 1-$
+        case 2:
+            return 7;                           // 1$-
+        }
+        break;
+    case 14 :                                       // ($ 1)
+        switch ( nSign )
+        {
+        case 0:
+            return 9;                           // -$ 1
+        case 1:
+            return 11;                          // $ -1
+        case 2:
+            return 12;                          // $ 1-
+        }
+        break;
+    case 15 :                                       // (1 $)
+        switch ( nSign )
+        {
+        case 0:
+            return 8;                           // -1 $
+        case 1:
+            return 13;                          // 1- $
+        case 2:
+            return 10;                          // 1 $-
+        }
+        break;
+    }
+    return nCurrFormat;
+}
+
+
+// static
+sal_uInt16 NfCurrencyEntry::GetEffectiveNegativeFormat( sal_uInt16 nIntlFormat,
+            sal_uInt16 nCurrFormat, bool bBank )
+{
+    if ( bBank )
+    {
+#if NF_BANKSYMBOL_FIX_POSITION
+        return 8;
+#else
+        switch ( nIntlFormat )
+        {
+        case 0:                                         // ($1)
+//          nIntlFormat = 14;                           // ($ 1)
+            nIntlFormat = 9;                            // -$ 1
+            break;
+        case 1:                                         // -$1
+            nIntlFormat = 9;                            // -$ 1
+            break;
+        case 2:                                         // $-1
+            nIntlFormat = 11;                           // $ -1
+            break;
+        case 3:                                         // $1-
+            nIntlFormat = 12;                           // $ 1-
+            break;
+        case 4:                                         // (1$)
+//          nIntlFormat = 15;                           // (1 $)
+            nIntlFormat = 8;                            // -1 $
+            break;
+        case 5:                                         // -1$
+            nIntlFormat = 8;                            // -1 $
+            break;
+        case 6:                                         // 1-$
+            nIntlFormat = 13;                           // 1- $
+            break;
+        case 7:                                         // 1$-
+            nIntlFormat = 10;                           // 1 $-
+            break;
+        case 8:                                         // -1 $
+            break;
+        case 9:                                         // -$ 1
+            break;
+        case 10:                                        // 1 $-
+            break;
+        case 11:                                        // $ -1
+            break;
+        case 12 :                                       // $ 1-
+            break;
+        case 13 :                                       // 1- $
+            break;
+        case 14 :                                       // ($ 1)
+//          nIntlFormat = 14;                           // ($ 1)
+            nIntlFormat = 9;                            // -$ 1
+            break;
+        case 15 :                                       // (1 $)
+//          nIntlFormat = 15;                           // (1 $)
+            nIntlFormat = 8;                            // -1 $
+            break;
+        default:
+            SAL_WARN( "svl.numbers", "NfCurrencyEntry::GetEffectiveNegativeFormat: unknown option");
+            break;
+        }
+#endif
+    }
+    else if ( nIntlFormat != nCurrFormat )
+    {
+        switch ( nCurrFormat )
+        {
+        case 0:                                         // ($1)
+            nIntlFormat = lcl_MergeNegativeParenthesisFormat(
+                nIntlFormat, nCurrFormat );
+            break;
+        case 1:                                         // -$1
+            nIntlFormat = nCurrFormat;
+            break;
+        case 2:                                         // $-1
+            nIntlFormat = nCurrFormat;
+            break;
+        case 3:                                         // $1-
+            nIntlFormat = nCurrFormat;
+            break;
+        case 4:                                         // (1$)
+            nIntlFormat = lcl_MergeNegativeParenthesisFormat(
+                nIntlFormat, nCurrFormat );
+            break;
+        case 5:                                         // -1$
+            nIntlFormat = nCurrFormat;
+            break;
+        case 6:                                         // 1-$
+            nIntlFormat = nCurrFormat;
+            break;
+        case 7:                                         // 1$-
+            nIntlFormat = nCurrFormat;
+            break;
+        case 8:                                         // -1 $
+            nIntlFormat = nCurrFormat;
+            break;
+        case 9:                                         // -$ 1
+            nIntlFormat = nCurrFormat;
+            break;
+        case 10:                                        // 1 $-
+            nIntlFormat = nCurrFormat;
+            break;
+        case 11:                                        // $ -1
+            nIntlFormat = nCurrFormat;
+            break;
+        case 12 :                                       // $ 1-
+            nIntlFormat = nCurrFormat;
+            break;
+        case 13 :                                       // 1- $
+            nIntlFormat = nCurrFormat;
+            break;
+        case 14 :                                       // ($ 1)
+            nIntlFormat = lcl_MergeNegativeParenthesisFormat(
+                nIntlFormat, nCurrFormat );
+            break;
+        case 15 :                                       // (1 $)
+            nIntlFormat = lcl_MergeNegativeParenthesisFormat(
+                nIntlFormat, nCurrFormat );
+            break;
+        default:
+            SAL_WARN( "svl.numbers", "NfCurrencyEntry::GetEffectiveNegativeFormat: unknown option");
+            break;
+        }
+    }
+    return nIntlFormat;
+}
+
+const NfKeywordTable & SvNumberFormatter::GetKeywords( sal_uInt32 nKey )
+{
+    osl::MutexGuard aGuard( GetInstanceMutex() );
+    const SvNumberformat* pFormat = GetFormatEntry( nKey);
+    if (pFormat)
+        ChangeIntl( pFormat->GetLanguage());
+    else
+        ChangeIntl( IniLnge);
+    return pFormatScanner->GetKeywords();
+}
+
+const NfKeywordTable & SvNumberFormatter::GetEnglishKeywords() const
+{
+    return ImpSvNumberformatScan::GetEnglishKeywords();
+}
+
+const std::vector<Color> & SvNumberFormatter::GetStandardColors() const
+{
+    return ImpSvNumberformatScan::GetStandardColors();
+}
+
+size_t SvNumberFormatter::GetMaxDefaultColors() const
+{
+    return ImpSvNumberformatScan::GetMaxDefaultColors();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zformat.cxx b/svl/source/numbers/zformat.cxx
new file mode 100644
index 0000000000..b5c8757ef2
--- /dev/null
+++ b/svl/source/numbers/zformat.cxx
@@ -0,0 +1,6083 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <string_view>
+
+#include <o3tl/sprintf.hxx>
+#include <o3tl/string_view.hxx>
+#include <comphelper/string.hxx>
+#include <sal/log.hxx>
+#include <tools/debug.hxx>
+#include <tools/long.hxx>
+#include <i18nlangtag/mslangid.hxx>
+#include <rtl/math.hxx>
+#include <unotools/charclass.hxx>
+#include <unotools/calendarwrapper.hxx>
+#include <unotools/nativenumberwrapper.hxx>
+#include <com/sun/star/i18n/CalendarFieldIndex.hpp>
+#include <com/sun/star/i18n/CalendarDisplayIndex.hpp>
+#include <com/sun/star/i18n/CalendarDisplayCode.hpp>
+#include <com/sun/star/i18n/AmPmValue.hpp>
+#include <com/sun/star/i18n/NativeNumberMode.hpp>
+#include <com/sun/star/i18n/NativeNumberXmlAttributes2.hpp>
+
+#include <svl/zformat.hxx>
+#include "zforscan.hxx"
+
+#include "zforfind.hxx"
+#include <svl/zforlist.hxx>
+#include <unotools/digitgroupingiterator.hxx>
+#include <svl/nfsymbol.hxx>
+
+#include <cmath>
+#include <array>
+
+using namespace svt;
+
+namespace {
+
+constexpr OUString GREGORIAN = u"gregorian"_ustr;
+
+const sal_uInt16 UPPER_PRECISION = 300; // entirely arbitrary...
+const double EXP_LOWER_BOUND = 1.0E-4; // prefer scientific notation below this value.
+const double EXP_ABS_UPPER_BOUND = 1.0E15;  // use exponential notation above that absolute value.
+                                            // Back in time was E16 that lead
+                                            // to display rounding errors, see
+                                            // also sal/rtl/math.cxx
+                                            // doubleToString()
+
+constexpr sal_Int32 kTimeSignificantRound = 7;  // Round (date+)time at 7 decimals
+                                                // (+5 of 86400 == 12 significant digits).
+} // namespace
+
+const double D_MAX_U_INT32 = double(0xffffffff);      // 4294967295.0
+constexpr double D_MAX_INTEGER = (sal_uInt64(1) << 53) - 1;
+
+const double D_MAX_D_BY_100  = 1.7E306;
+const double D_MIN_M_BY_1000 = 2.3E-305;
+
+const sal_uInt8 cCharWidths[ 128-32 ] = {
+    1,1,1,2,2,3,2,1,1,1,1,2,1,1,1,1,
+    2,2,2,2,2,2,2,2,2,2,1,1,2,2,2,2,
+    3,2,2,2,2,2,2,3,2,1,2,2,2,3,3,3,
+    2,3,2,2,2,2,2,3,2,2,2,1,1,1,2,2,
+    1,2,2,2,2,2,1,2,2,1,1,2,1,3,2,2,
+    2,2,1,2,1,2,2,2,2,2,2,1,1,1,2,1
+};
+
+// static
+sal_Int32 SvNumberformat::InsertBlanks( OUStringBuffer& r, sal_Int32 nPos, sal_Unicode c )
+{
+    if( c >= 32 )
+    {
+        int n = 2;   // Default for chars > 128 (HACK!)
+        if( c <= 127 )
+        {
+            n = static_cast<int>(cCharWidths[ c - 32 ]);
+        }
+        while( n-- )
+        {
+            r.insert( nPos++, ' ');
+        }
+    }
+    return nPos;
+}
+
+static tools::Long GetPrecExp( double fAbsVal )
+{
+    DBG_ASSERT( fAbsVal > 0.0, "GetPrecExp: fAbsVal <= 0.0" );
+    if ( fAbsVal < 1e-7 || fAbsVal > 1e7 )
+    {
+        // Shear: whether it's faster or not, falls in between 1e6 and 1e7
+        return static_cast<tools::Long>(floor( log10( fAbsVal ) )) + 1;
+    }
+    else
+    {
+        tools::Long nPrecExp = 1;
+        while( fAbsVal < 1 )
+        {
+            fAbsVal *= 10;
+            nPrecExp--;
+        }
+        while( fAbsVal >= 10 )
+        {
+            fAbsVal /= 10;
+            nPrecExp++;
+        }
+        return nPrecExp;
+    }
+}
+
+/**
+ * SvNumberformatInfo
+ * */
+
+void ImpSvNumberformatInfo::Copy( const ImpSvNumberformatInfo& rNumFor, sal_uInt16 nCnt )
+{
+    for (sal_uInt16 i = 0; i < nCnt; ++i)
+    {
+        sStrArray[i]  = rNumFor.sStrArray[i];
+        nTypeArray[i] = rNumFor.nTypeArray[i];
+    }
+    eScannedType = rNumFor.eScannedType;
+    bThousand    = rNumFor.bThousand;
+    nThousand    = rNumFor.nThousand;
+    nCntPre      = rNumFor.nCntPre;
+    nCntPost     = rNumFor.nCntPost;
+    nCntExp      = rNumFor.nCntExp;
+}
+
+const std::map<LanguageType, std::array<sal_uInt8, 4>> tblDBNumToNatNum
+    = { { primary(LANGUAGE_CHINESE),    { 4, 5, 3, 0 } },
+        { primary(LANGUAGE_JAPANESE),   { 4, 5, 3, 0 } },
+        { primary(LANGUAGE_KOREAN),     { 4, 5, 6, 10 } } };
+
+// static
+sal_uInt8 SvNumberNatNum::MapDBNumToNatNum( sal_uInt8 nDBNum, LanguageType eLang, bool bDate )
+{
+    sal_uInt8 nNatNum = 0;
+    eLang = MsLangId::getRealLanguage( eLang );  // resolve SYSTEM etc.
+    eLang = primary(eLang);    // 10 bit primary language
+    if ( bDate )
+    {
+        if ( nDBNum == 4 && eLang == primary(LANGUAGE_KOREAN) )
+        {
+            nNatNum = 10;
+        }
+        else if ( nDBNum <= 3 )
+        {
+            nNatNum = nDBNum;   // known to be good for: zh,ja,ko / 1,2,3
+        }
+    }
+    else
+    {
+        if (1 <= nDBNum && nDBNum <= 4)
+        {
+            auto const it = tblDBNumToNatNum.find(eLang);
+            if (it != tblDBNumToNatNum.end())
+                nNatNum = it->second[nDBNum - 1];
+
+        }
+    }
+    return nNatNum;
+}
+
+const std::map<LanguageType, std::array<sal_uInt8, 9>> tblNatNumToDBNum
+    = { { primary(LANGUAGE_CHINESE),    { 1, 0, 0, 1, 2, 3, 0, 0, 0 } },
+        { primary(LANGUAGE_JAPANESE),   { 1, 2, 3, 1, 2, 3, 1, 2, 0 } },
+        { primary(LANGUAGE_KOREAN),     { 1, 2, 3, 1, 2, 3, 1, 2, 4 } } };
+
+// static
+sal_uInt8 SvNumberNatNum::MapNatNumToDBNum( sal_uInt8 nNatNum, LanguageType eLang, bool bDate )
+{
+    sal_uInt8 nDBNum = 0;
+    eLang = MsLangId::getRealLanguage( eLang );  // resolve SYSTEM etc.
+    eLang = primary(eLang);    // 10 bit primary language
+    if ( bDate )
+    {
+        if ( nNatNum == 10 && eLang == primary(LANGUAGE_KOREAN) )
+        {
+            nDBNum = 4;
+        }
+        else if ( nNatNum <= 3 )
+        {
+            nDBNum = nNatNum;   // known to be good for: zh,ja,ko / 1,2,3
+        }
+    }
+    else
+    {
+        if (1 <= nNatNum && nNatNum <= 9)
+        {
+            auto const it = tblNatNumToDBNum.find(eLang);
+            if (it != tblNatNumToDBNum.end())
+                nDBNum = it->second[nNatNum - 1];
+        }
+    }
+    return nDBNum;
+}
+
+/**
+ * SvNumFor
+ */
+
+ImpSvNumFor::ImpSvNumFor()
+{
+    nStringsCnt = 0;
+    aI.eScannedType = SvNumFormatType::UNDEFINED;
+    aI.bThousand = false;
+    aI.nThousand = 0;
+    aI.nCntPre = 0;
+    aI.nCntPost = 0;
+    aI.nCntExp = 0;
+    pColor = nullptr;
+}
+
+ImpSvNumFor::~ImpSvNumFor()
+{
+}
+
+void ImpSvNumFor::Enlarge(sal_uInt16 nCnt)
+{
+    if ( nStringsCnt != nCnt )
+    {
+        nStringsCnt = nCnt;
+        aI.nTypeArray.resize(nCnt);
+        aI.sStrArray.resize(nCnt);
+    }
+}
+
+void ImpSvNumFor::Copy( const ImpSvNumFor& rNumFor, const ImpSvNumberformatScan* pSc )
+{
+    Enlarge( rNumFor.nStringsCnt );
+    aI.Copy( rNumFor.aI, nStringsCnt );
+    sColorName = rNumFor.sColorName;
+    if ( pSc )
+    {
+        pColor = pSc->GetColor( sColorName );   // #121103# don't copy pointer between documents
+    }
+    else
+    {
+        pColor = rNumFor.pColor;
+    }
+    aNatNum = rNumFor.aNatNum;
+}
+
+bool ImpSvNumFor::HasNewCurrency() const
+{
+    for ( sal_uInt16 j=0; j<nStringsCnt; j++ )
+    {
+        if ( aI.nTypeArray[j] == NF_SYMBOLTYPE_CURRENCY )
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool ImpSvNumFor::GetNewCurrencySymbol( OUString& rSymbol,
+                                        OUString& rExtension ) const
+{
+    for ( sal_uInt16 j=0; j<nStringsCnt; j++ )
+    {
+        if ( aI.nTypeArray[j] == NF_SYMBOLTYPE_CURRENCY )
+        {
+            rSymbol = aI.sStrArray[j];
+            if ( j < nStringsCnt-1 && aI.nTypeArray[j+1] == NF_SYMBOLTYPE_CURREXT )
+            {
+                rExtension = aI.sStrArray[j+1];
+            }
+            else
+            {
+                rExtension.clear();
+            }
+            return true;
+        }
+    }
+    //! No Erase at rSymbol, rExtension
+    return false;
+}
+
+/**
+ * SvNumberformat
+ */
+
+namespace {
+
+enum BracketFormatSymbolType
+{
+    BRACKET_SYMBOLTYPE_FORMAT   = -1,   // subformat string
+    BRACKET_SYMBOLTYPE_COLOR    = -2,   // color
+    BRACKET_SYMBOLTYPE_ERROR    = -3,   // error
+    BRACKET_SYMBOLTYPE_DBNUM1   = -4,   // DoubleByteNumber, represent numbers
+    BRACKET_SYMBOLTYPE_DBNUM2   = -5,   // using CJK characters, Excel compatible
+    BRACKET_SYMBOLTYPE_DBNUM3   = -6,
+    BRACKET_SYMBOLTYPE_DBNUM4   = -7,
+    BRACKET_SYMBOLTYPE_DBNUM5   = -8,
+    BRACKET_SYMBOLTYPE_DBNUM6   = -9,
+    BRACKET_SYMBOLTYPE_DBNUM7   = -10,
+    BRACKET_SYMBOLTYPE_DBNUM8   = -11,
+    BRACKET_SYMBOLTYPE_DBNUM9   = -12,
+    BRACKET_SYMBOLTYPE_LOCALE   = -13,
+    BRACKET_SYMBOLTYPE_NATNUM0  = -14,  // Our NativeNumber support, ASCII
+    BRACKET_SYMBOLTYPE_NATNUM1  = -15,  // Our NativeNumber support, represent
+    BRACKET_SYMBOLTYPE_NATNUM2  = -16,  // numbers using CJK, CTL, ...
+    BRACKET_SYMBOLTYPE_NATNUM3  = -17,
+    BRACKET_SYMBOLTYPE_NATNUM4  = -18,
+    BRACKET_SYMBOLTYPE_NATNUM5  = -19,
+    BRACKET_SYMBOLTYPE_NATNUM6  = -20,
+    BRACKET_SYMBOLTYPE_NATNUM7  = -21,
+    BRACKET_SYMBOLTYPE_NATNUM8  = -22,
+    BRACKET_SYMBOLTYPE_NATNUM9  = -23,
+    BRACKET_SYMBOLTYPE_NATNUM10 = -24,
+    BRACKET_SYMBOLTYPE_NATNUM11 = -25,
+    BRACKET_SYMBOLTYPE_NATNUM12 = -26,
+    BRACKET_SYMBOLTYPE_NATNUM13 = -27,
+    BRACKET_SYMBOLTYPE_NATNUM14 = -28,
+    BRACKET_SYMBOLTYPE_NATNUM15 = -29,
+    BRACKET_SYMBOLTYPE_NATNUM16 = -30,
+    BRACKET_SYMBOLTYPE_NATNUM17 = -31,
+    BRACKET_SYMBOLTYPE_NATNUM18 = -32,
+    BRACKET_SYMBOLTYPE_NATNUM19 = -33
+};
+
+}
+
+void SvNumberformat::ImpCopyNumberformat( const SvNumberformat& rFormat )
+{
+    sFormatstring = rFormat.sFormatstring;
+    eType         = rFormat.eType;
+    maLocale      = rFormat.maLocale;
+    fLimit1       = rFormat.fLimit1;
+    fLimit2       = rFormat.fLimit2;
+    eOp1          = rFormat.eOp1;
+    eOp2          = rFormat.eOp2;
+    bStandard     = rFormat.bStandard;
+    bIsUsed       = rFormat.bIsUsed;
+    sComment      = rFormat.sComment;
+    bAdditionalBuiltin = rFormat.bAdditionalBuiltin;
+
+    // #121103# when copying between documents, get color pointers from own scanner
+    ImpSvNumberformatScan* pColorSc = ( &rScan != &rFormat.rScan ) ? &rScan : nullptr;
+
+    for (sal_uInt16 i = 0; i < 4; i++)
+    {
+        NumFor[i].Copy(rFormat.NumFor[i], pColorSc);
+    }
+}
+
+SvNumberformat::SvNumberformat( SvNumberformat const & rFormat )
+    : rScan(rFormat.rScan), bStarFlag( rFormat.bStarFlag )
+{
+    ImpCopyNumberformat( rFormat );
+}
+
+SvNumberformat::SvNumberformat( SvNumberformat const & rFormat, ImpSvNumberformatScan& rSc )
+    : rScan(rSc)
+    , bStarFlag( rFormat.bStarFlag )
+{
+    ImpCopyNumberformat( rFormat );
+}
+
+static bool lcl_SvNumberformat_IsBracketedPrefix( short nSymbolType )
+{
+    if ( nSymbolType > 0  )
+    {
+        return true; // conditions
+    }
+    switch ( nSymbolType )
+    {
+    case BRACKET_SYMBOLTYPE_COLOR :
+    case BRACKET_SYMBOLTYPE_DBNUM1 :
+    case BRACKET_SYMBOLTYPE_DBNUM2 :
+    case BRACKET_SYMBOLTYPE_DBNUM3 :
+    case BRACKET_SYMBOLTYPE_DBNUM4 :
+    case BRACKET_SYMBOLTYPE_DBNUM5 :
+    case BRACKET_SYMBOLTYPE_DBNUM6 :
+    case BRACKET_SYMBOLTYPE_DBNUM7 :
+    case BRACKET_SYMBOLTYPE_DBNUM8 :
+    case BRACKET_SYMBOLTYPE_DBNUM9 :
+    case BRACKET_SYMBOLTYPE_LOCALE :
+    case BRACKET_SYMBOLTYPE_NATNUM0 :
+    case BRACKET_SYMBOLTYPE_NATNUM1 :
+    case BRACKET_SYMBOLTYPE_NATNUM2 :
+    case BRACKET_SYMBOLTYPE_NATNUM3 :
+    case BRACKET_SYMBOLTYPE_NATNUM4 :
+    case BRACKET_SYMBOLTYPE_NATNUM5 :
+    case BRACKET_SYMBOLTYPE_NATNUM6 :
+    case BRACKET_SYMBOLTYPE_NATNUM7 :
+    case BRACKET_SYMBOLTYPE_NATNUM8 :
+    case BRACKET_SYMBOLTYPE_NATNUM9 :
+    case BRACKET_SYMBOLTYPE_NATNUM10 :
+    case BRACKET_SYMBOLTYPE_NATNUM11 :
+    case BRACKET_SYMBOLTYPE_NATNUM12 :
+    case BRACKET_SYMBOLTYPE_NATNUM13 :
+    case BRACKET_SYMBOLTYPE_NATNUM14 :
+    case BRACKET_SYMBOLTYPE_NATNUM15 :
+    case BRACKET_SYMBOLTYPE_NATNUM16 :
+    case BRACKET_SYMBOLTYPE_NATNUM17 :
+    case BRACKET_SYMBOLTYPE_NATNUM18 :
+    case BRACKET_SYMBOLTYPE_NATNUM19 :
+        return true;
+    }
+    return false;
+}
+
+/** Import extended LCID from Excel
+ */
+OUString SvNumberformat::ImpObtainCalendarAndNumerals( OUStringBuffer& rString, sal_Int32 nPos,
+                                                       LanguageType& nLang, const LocaleType& aTmpLocale )
+{
+    OUString sCalendar;
+    sal_uInt16 nNatNum = 0;
+    LanguageType nLocaleLang = MsLangId::getRealLanguage( maLocale.meLanguage );
+    LanguageType nTmpLocaleLang = MsLangId::getRealLanguage( aTmpLocale.meLanguage );
+    /* NOTE: enhancement to allow other possible locale dependent
+     * calendars and numerals. BUT only if our locale data allows it! For LCID
+     * numerals and calendars see
+     * http://office.microsoft.com/en-us/excel/HA010346351033.aspx
+     * Calendar is inserted after
+     * all prefixes have been consumed as it is actually a format modifier
+     * and not a prefix.
+     * Currently calendars are tied to the locale of the entire number
+     * format, e.g. [~buddhist] in en_US doesn't work.
+     * => Having different locales in sub formats does not work!
+     * */
+    /* TODO: calendars could be tied to a sub format's NatNum info
+     * instead, or even better be available for any locale. Needs a
+     * different implementation of GetCal() and locale data calendars.
+     * */
+    switch ( aTmpLocale.mnCalendarType & 0x7F )
+    {
+        case 0x03 : // Gengou calendar
+            // Only Japanese language support Gengou calendar.
+            // It is an implicit "other" calendar where E, EE, R and RR
+            // automatically switch to and YY and YYYY switch to Gregorian. Do
+            // not add the "[~gengou]" modifier.
+            if ( nLocaleLang != LANGUAGE_JAPANESE )
+            {
+                nLang = maLocale.meLanguage = LANGUAGE_JAPANESE;
+            }
+            break;
+        case 0x05 : // Korean Dangi calendar
+            sCalendar = "[~dangi]";
+            // Only Korean language support dangi calendar
+            if ( nLocaleLang != LANGUAGE_KOREAN )
+            {
+                nLang = maLocale.meLanguage = LANGUAGE_KOREAN;
+            }
+            break;
+        case 0x06 : // Hijri calendar
+        case 0x17 : // same?
+            sCalendar = "[~hijri]";
+            // Only Arabic or Farsi languages support Hijri calendar
+            if ( ( primary( nLocaleLang ) != LANGUAGE_ARABIC_PRIMARY_ONLY )
+                  && nLocaleLang != LANGUAGE_FARSI )
+            {
+                if ( ( primary( nTmpLocaleLang ) == LANGUAGE_ARABIC_PRIMARY_ONLY )
+                      || nTmpLocaleLang == LANGUAGE_FARSI )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_ARABIC_SAUDI_ARABIA;
+                }
+            }
+            break;
+        case 0x07 : // Buddhist calendar
+            sCalendar="[~buddhist]";
+            // Only Thai or Lao languages support Buddhist calendar
+            if ( nLocaleLang != LANGUAGE_THAI && nLocaleLang != LANGUAGE_LAO )
+            {
+                if ( nTmpLocaleLang == LANGUAGE_THAI || nTmpLocaleLang == LANGUAGE_LAO )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_THAI;
+                }
+            }
+            break;
+        case 0x08 : // Hebrew calendar
+            sCalendar = "[~jewish]";
+            // Many languages (but not all) support Jewish calendar
+            // Unable to find any logic => keep same language
+            break;
+        case 0x0E : // unknown calendar
+        case 0x0F : // unknown calendar
+        case 0x10 : // Indian calendar (unsupported)
+        case 0x11 : // unknown calendar
+        case 0x12 : // unknown calendar
+        case 0x13 : // unknown calendar
+        default : // other calendars (see tdf#36038) are not handle by LibO
+            break;
+    }
+    /** Reference language for each numeral ID */
+    static const LanguageType aNumeralIDtoLanguage []=
+    {
+        LANGUAGE_DONTKNOW,              // 0x00
+        LANGUAGE_ENGLISH_US,            // 0x01
+        LANGUAGE_ARABIC_SAUDI_ARABIA,   // 0x02 + all Arabic
+        LANGUAGE_FARSI,                 // 0x03
+        LANGUAGE_HINDI,                 // 0x04 + Devanagari
+        LANGUAGE_BENGALI,               // 0x05
+        LANGUAGE_PUNJABI,               // 0x06
+        LANGUAGE_GUJARATI,              // 0x07
+        LANGUAGE_ODIA,                  // 0x08
+        LANGUAGE_TAMIL,                 // 0x09
+        LANGUAGE_TELUGU,                // 0x0A
+        LANGUAGE_KANNADA,               // 0x0B
+        LANGUAGE_MALAYALAM,             // 0x0C
+        LANGUAGE_THAI,                  // 0x0D
+        LANGUAGE_LAO,                   // 0x0E
+        LANGUAGE_TIBETAN,               // 0x0F
+        LANGUAGE_BURMESE,               // 0x10
+        LANGUAGE_TIGRIGNA_ETHIOPIA,     // 0x11
+        LANGUAGE_KHMER,                 // 0x12
+        LANGUAGE_MONGOLIAN_MONGOLIAN_MONGOLIA, // 0x13
+        LANGUAGE_DONTKNOW,              // 0x14
+        LANGUAGE_DONTKNOW,              // 0x15
+        LANGUAGE_DONTKNOW,              // 0x16
+        LANGUAGE_DONTKNOW,              // 0x17
+        LANGUAGE_DONTKNOW,              // 0x18
+        LANGUAGE_DONTKNOW,              // 0x19
+        LANGUAGE_DONTKNOW,              // 0x1A
+        LANGUAGE_JAPANESE,              // 0x1B
+        LANGUAGE_JAPANESE,              // 0x1C
+        LANGUAGE_JAPANESE,              // 0x1D
+        LANGUAGE_CHINESE_SIMPLIFIED,    // 0x1E
+        LANGUAGE_CHINESE_SIMPLIFIED,    // 0x1F
+        LANGUAGE_CHINESE_SIMPLIFIED,    // 0x20
+        LANGUAGE_CHINESE_TRADITIONAL,   // 0x21
+        LANGUAGE_CHINESE_TRADITIONAL,   // 0x22
+        LANGUAGE_CHINESE_TRADITIONAL,   // 0x23
+        LANGUAGE_KOREAN,                // 0x24
+        LANGUAGE_KOREAN,                // 0x25
+        LANGUAGE_KOREAN,                // 0x26
+        LANGUAGE_KOREAN                 // 0x27
+    };
+
+    sal_uInt16 nNumeralID = aTmpLocale.mnNumeralShape & 0x7F;
+    LanguageType nReferenceLanguage = nNumeralID <= 0x27 ? aNumeralIDtoLanguage[nNumeralID] : LANGUAGE_DONTKNOW;
+
+    switch ( nNumeralID )
+    {
+        // Regular cases: all languages with same primary mask use same numerals
+        case 0x03 : // Perso-Arabic (Farsi) numerals
+        case 0x05 : // Bengali numerals
+        case 0x06 : // Punjabi numerals
+        case 0x07 : // Gujarati numerals
+        case 0x08 : // Odia (Orya) numerals
+        case 0x09 : // Tamil numerals
+        case 0x0A : // Telugu numerals
+        case 0x0B : // Kannada numerals
+        case 0x0C : // Malayalam numerals
+        case 0x0D : // Thai numerals
+        case 0x0E : // Lao numerals
+        case 0x0F : // Tibetan numerals
+        case 0x10 : // Burmese (Myanmar) numerals
+        case 0x11 : // Tigrigna (Ethiopia) numerals
+        case 0x12 : // Khmer numerals
+            if ( primary( nLocaleLang ) != primary( nReferenceLanguage ) )
+            {
+                if ( primary( nTmpLocaleLang ) == primary( nReferenceLanguage ) )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = nReferenceLanguage;
+                }
+            }
+            break;
+        // Special cases
+        case 0x04 : // Devanagari (Hindi) numerals
+            // same numerals (Devanagari) for languages with different primary masks
+            if ( nLocaleLang != LANGUAGE_HINDI    && nLocaleLang != LANGUAGE_MARATHI
+            && primary( nLocaleLang ) != primary( LANGUAGE_NEPALI ) )
+            {
+                if ( nTmpLocaleLang == LANGUAGE_HINDI || nTmpLocaleLang == LANGUAGE_MARATHI
+                || primary( nTmpLocaleLang ) == primary( LANGUAGE_NEPALI ) )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_HINDI;
+                }
+            }
+            break;
+        case 0x13 : // Mongolian numerals
+            // not all Mongolian languages use Mongolian numerals
+            if ( nLocaleLang != LANGUAGE_MONGOLIAN_MONGOLIAN_MONGOLIA
+              && nLocaleLang != LANGUAGE_MONGOLIAN_MONGOLIAN_CHINA
+              && nLocaleLang != LANGUAGE_MONGOLIAN_MONGOLIAN_LSO )
+            {
+                if ( nTmpLocaleLang == LANGUAGE_MONGOLIAN_MONGOLIAN_MONGOLIA
+                  || nTmpLocaleLang == LANGUAGE_MONGOLIAN_MONGOLIAN_CHINA
+                  || nTmpLocaleLang == LANGUAGE_MONGOLIAN_MONGOLIAN_LSO )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_MONGOLIAN_MONGOLIAN_MONGOLIA;
+                }
+            }
+            break;
+        case 0x02 : // Eastern-Arabic numerals
+            // all arabic primary mask + LANGUAGE_PUNJABI_ARABIC_LSO
+            if ( primary( nLocaleLang ) != LANGUAGE_ARABIC_PRIMARY_ONLY
+                && nLocaleLang != LANGUAGE_PUNJABI_ARABIC_LSO )
+            {
+                if ( primary( nTmpLocaleLang ) == LANGUAGE_ARABIC_PRIMARY_ONLY
+                    || nTmpLocaleLang != LANGUAGE_PUNJABI_ARABIC_LSO )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = nReferenceLanguage;
+                }
+            }
+            break;
+        // CJK numerals
+        case 0x1B : // simple Asian numerals, Japanese
+        case 0x1C : // financial Asian numerals, Japanese
+        case 0x1D : // Arabic fullwidth numerals, Japanese
+        case 0x24 : // simple Asian numerals, Korean
+        case 0x25 : // financial Asian numerals, Korean
+        case 0x26 : // Arabic fullwidth numerals, Korean
+        case 0x27 : // Korean Hangul numerals
+            // Japanese and Korean are regular
+            if ( primary( nLocaleLang ) != primary( nReferenceLanguage ) )
+            {
+                if ( primary( nTmpLocaleLang ) == primary( nReferenceLanguage ) )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = nReferenceLanguage;
+                }
+            }
+            [[fallthrough]];
+        case 0x1E : // simple Asian numerals, Chinese-PRC
+        case 0x1F : // financial Asian numerals, Chinese-PRC
+        case 0x20 : // Arabic fullwidth numerals, Chinese-PRC
+        case 0x21 : // simple Asian numerals, Chinese-Taiwan
+        case 0x22 : // financial Asian numerals, Chinese-Taiwan
+        case 0x23 : // Arabic fullwidth numerals, Chinese-Taiwan
+            nNatNum = nNumeralID == 0x27 ? 9 : ( ( nNumeralID - 0x1B ) % 3 ) + 1;
+            // [NatNum1] simple numerals
+            // [natNum2] financial numerals
+            // [NatNum3] Arabic fullwidth numerals
+            // Chinese simplified and Chinese traditional have same primary mask
+            // Chinese-PRC
+            if ( nReferenceLanguage == LANGUAGE_CHINESE_SIMPLIFIED
+              && nLocaleLang != LANGUAGE_CHINESE_SIMPLIFIED
+              && nLocaleLang != LANGUAGE_CHINESE_SINGAPORE
+              && nLocaleLang != LANGUAGE_CHINESE_LSO )
+            {
+                if ( nTmpLocaleLang == LANGUAGE_CHINESE_SIMPLIFIED
+                  || nTmpLocaleLang == LANGUAGE_CHINESE_SINGAPORE
+                  || nTmpLocaleLang == LANGUAGE_CHINESE_LSO )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_CHINESE_SIMPLIFIED;
+                }
+            }
+            // Chinese-Taiwan
+            else if ( nReferenceLanguage == LANGUAGE_CHINESE_TRADITIONAL
+                   && nLocaleLang != LANGUAGE_CHINESE_TRADITIONAL
+                   && nLocaleLang != LANGUAGE_CHINESE_HONGKONG
+                   && nLocaleLang != LANGUAGE_CHINESE_MACAU )
+            {
+                if ( nTmpLocaleLang == LANGUAGE_CHINESE_TRADITIONAL
+                  || nTmpLocaleLang == LANGUAGE_CHINESE_HONGKONG
+                  || nTmpLocaleLang == LANGUAGE_CHINESE_MACAU )
+                {
+                    nLang = maLocale.meLanguage = aTmpLocale.meLanguage;
+                }
+                else
+                {
+                    nLang = maLocale.meLanguage = LANGUAGE_CHINESE_TRADITIONAL;
+                }
+            }
+            break;
+    }
+    if ( nNumeralID >= 0x02 && nNumeralID <= 0x13 )
+        nNatNum = 1;
+    if ( nNatNum )
+        rString.insert(nPos, "[NatNum" + OUString::number(nNatNum) + "]");
+    return sCalendar;
+}
+
+namespace
+{
+bool NatNumTakesParameters(sal_Int16 nNum)
+{
+    return (nNum == css::i18n::NativeNumberMode::NATNUM12);
+}
+}
+
+// is there a 3-letter bank code in NatNum12 param (but not
+// followed by an equal mark, like in the date code "NNN=")?
+static bool lcl_isNatNum12Currency( const OUString& sParam )
+{
+    sal_Int32 nUpper = 0;
+    sal_Int32 nLen = sParam.getLength();
+    for (sal_Int32 n = 0; n < nLen; ++n)
+    {
+        sal_Unicode c = sParam[n];
+        if ( 'A' <= c && c <= 'Z' )
+        {
+            ++nUpper;
+        }
+        else if ( c == ' ' && nUpper == 3 && (n == 3 || sParam[n - 4] == ' ') )
+        {
+            return true;
+        }
+        else
+        {
+            nUpper = 0;
+        }
+    }
+
+    return nUpper == 3 && (nLen == 3 || sParam[nLen - 4] == ' ');
+}
+
+SvNumberformat::SvNumberformat(OUString& rString,
+                               ImpSvNumberformatScan* pSc,
+                               ImpSvNumberInputScan* pISc,
+                               sal_Int32& nCheckPos,
+                               LanguageType& eLan,
+                               bool bReplaceBooleanEquivalent)
+        : rScan(*pSc)
+        , bAdditionalBuiltin( false )
+        , bStarFlag( false )
+{
+    if (bReplaceBooleanEquivalent)
+        rScan.ReplaceBooleanEquivalent( rString);
+
+    OUStringBuffer sBuff(rString);
+
+    // If the group (AKA thousand) separator is a No-Break Space (French)
+    // replace all occurrences by a simple space.
+    // The same for Narrow No-Break Space just in case some locale uses it.
+    // The tokens will be changed to the LocaleData separator again later on.
+    const OUString& rThSep = GetFormatter().GetNumThousandSep();
+    if ( rThSep.getLength() == 1)
+    {
+        const sal_Unicode cNBSp = 0xA0;
+        const sal_Unicode cNNBSp = 0x202F;
+        if (rThSep[0] == cNBSp )
+            sBuff.replace( cNBSp, ' ');
+        else if (rThSep[0] == cNNBSp )
+            sBuff.replace( cNNBSp, ' ');
+    }
+
+    OUString aConvertFromDecSep;
+    OUString aConvertToDecSep;
+    if (rScan.GetConvertMode())
+    {
+        aConvertFromDecSep = GetFormatter().GetNumDecimalSep();
+        maLocale.meLanguage = rScan.GetNewLnge();
+        eLan = maLocale.meLanguage; // Make sure to return switch
+    }
+    else
+    {
+        maLocale.meLanguage = eLan;
+    }
+    bStandard = false;
+    bIsUsed = false;
+    fLimit1 = 0.0;
+    fLimit2 = 0.0;
+    eOp1 = NUMBERFORMAT_OP_NO;
+    eOp2 = NUMBERFORMAT_OP_NO;
+    eType = SvNumFormatType::DEFINED;
+
+    bool bCancel = false;
+    bool bCondition = false;
+    short eSymbolType;
+    sal_Int32 nPos = 0;
+    sal_Int32 nPosOld;
+    nCheckPos = 0;
+
+    // Split into 4 sub formats
+    sal_uInt16 nIndex;
+    for ( nIndex = 0; nIndex < 4 && !bCancel; nIndex++ )
+    {
+        // Original language/country may have to be reestablished
+        if (rScan.GetConvertMode())
+        {
+            rScan.GetNumberformatter()->ChangeIntl(rScan.GetTmpLnge());
+        }
+        OUString sInsertCalendar; // a calendar resulting from parsing LCID
+        OUString sStr;
+        nPosOld = nPos; // Start position of substring
+        // first get bracketed prefixes; e.g. conditions, color
+        do
+        {
+            eSymbolType = ImpNextSymbol(sBuff, nPos, sStr);
+            if (eSymbolType > 0) // condition
+            {
+                if ( nIndex == 0 && !bCondition )
+                {
+                    bCondition = true;
+                    eOp1 = static_cast<SvNumberformatLimitOps>(eSymbolType);
+                }
+                else if ( nIndex == 1 && bCondition )
+                {
+                    eOp2 = static_cast<SvNumberformatLimitOps>(eSymbolType);
+                }
+                else                                // error
+                {
+                    bCancel = true;                 // break for
+                    nCheckPos = nPosOld;
+                }
+                if (!bCancel)
+                {
+                    double fNumber;
+                    sal_Int32 nCntChars = ImpGetNumber(sBuff, nPos, sStr);
+                    if (nCntChars > 0)
+                    {
+                        sal_Int32 nDecPos;
+                        SvNumFormatType F_Type = SvNumFormatType::UNDEFINED;
+                        if (!pISc->IsNumberFormat(sStr, F_Type, fNumber, nullptr, SvNumInputOptions::NONE) ||
+                            ( F_Type != SvNumFormatType::NUMBER &&
+                              F_Type != SvNumFormatType::SCIENTIFIC) )
+                        {
+                            fNumber = 0.0;
+                            nPos = nPos - nCntChars;
+                            sBuff.remove(nPos, nCntChars);
+                            sBuff.insert(nPos, '0');
+                            nPos++;
+                        }
+                        else if (rScan.GetConvertMode() && ((nDecPos = sStr.indexOf( aConvertFromDecSep)) >= 0))
+                        {
+                            if (aConvertToDecSep.isEmpty())
+                                aConvertToDecSep = GetFormatter().GetLangDecimalSep( rScan.GetNewLnge());
+                            if (aConvertToDecSep != aConvertFromDecSep)
+                            {
+                                const OUString aStr( sStr.replaceAt( nDecPos,
+                                            aConvertFromDecSep.getLength(), aConvertToDecSep));
+                                nPos = nPos - nCntChars;
+                                sBuff.remove(nPos, nCntChars);
+                                sBuff.insert(nPos, aStr);
+                                nPos += aStr.getLength();
+                            }
+                        }
+                    }
+                    else
+                    {
+                        fNumber = 0.0;
+                        sBuff.insert(nPos++, '0');
+                    }
+                    if (nIndex == 0)
+                    {
+                        fLimit1 = fNumber;
+                    }
+                    else
+                    {
+                        fLimit2 = fNumber;
+                    }
+                    if ( nPos < sBuff.getLength() && sBuff[nPos] == ']' )
+                    {
+                        nPos++;
+                    }
+                    else
+                    {
+                        bCancel = true;             // break for
+                        nCheckPos = nPos;
+                    }
+                }
+                nPosOld = nPos;                     // position before string
+            }
+            else if ( lcl_SvNumberformat_IsBracketedPrefix( eSymbolType ) )
+            {
+                OUString sSymbol( sStr);
+                switch ( eSymbolType )
+                {
+                case BRACKET_SYMBOLTYPE_COLOR :
+                    if ( NumFor[nIndex].GetColor() != nullptr )
+                    {                           // error, more than one color
+                        bCancel = true;         // break for
+                        nCheckPos = nPosOld;
+                    }
+                    else
+                    {
+                        const Color* pColor = pSc->GetColor( sStr);
+                        NumFor[nIndex].SetColor( pColor, sStr);
+                        if (pColor == nullptr)
+                        {                       // error
+                            bCancel = true;     // break for
+                            nCheckPos = nPosOld;
+                        }
+                    }
+                    break;
+                case BRACKET_SYMBOLTYPE_NATNUM0 :
+                case BRACKET_SYMBOLTYPE_NATNUM1 :
+                case BRACKET_SYMBOLTYPE_NATNUM2 :
+                case BRACKET_SYMBOLTYPE_NATNUM3 :
+                case BRACKET_SYMBOLTYPE_NATNUM4 :
+                case BRACKET_SYMBOLTYPE_NATNUM5 :
+                case BRACKET_SYMBOLTYPE_NATNUM6 :
+                case BRACKET_SYMBOLTYPE_NATNUM7 :
+                case BRACKET_SYMBOLTYPE_NATNUM8 :
+                case BRACKET_SYMBOLTYPE_NATNUM9 :
+                case BRACKET_SYMBOLTYPE_NATNUM10 :
+                case BRACKET_SYMBOLTYPE_NATNUM11 :
+                case BRACKET_SYMBOLTYPE_NATNUM12 :
+                case BRACKET_SYMBOLTYPE_NATNUM13 :
+                case BRACKET_SYMBOLTYPE_NATNUM14 :
+                case BRACKET_SYMBOLTYPE_NATNUM15 :
+                case BRACKET_SYMBOLTYPE_NATNUM16 :
+                case BRACKET_SYMBOLTYPE_NATNUM17 :
+                case BRACKET_SYMBOLTYPE_NATNUM18 :
+                case BRACKET_SYMBOLTYPE_NATNUM19 :
+                    if ( NumFor[nIndex].GetNatNum().IsSet() )
+                    {
+                        bCancel = true;         // break for
+                        nCheckPos = nPosOld;
+                    }
+                    else
+                    {
+                        OUString sParams;
+                        sal_Int32 nSpacePos = sStr.indexOf(' ');
+                        if (nSpacePos >= 0)
+                        {
+                            sParams = o3tl::trim(sStr.subView(nSpacePos+1));
+                        }
+                        //! eSymbolType is negative
+                        sal_uInt8 nNum = static_cast<sal_uInt8>(0 - (eSymbolType - BRACKET_SYMBOLTYPE_NATNUM0));
+                        if (!sParams.isEmpty() && !NatNumTakesParameters(nNum))
+                        {
+                            bCancel = true; // break for
+                            nCheckPos = nPosOld;
+                            break;
+                        }
+                        sStr = "NatNum" + OUString::number(nNum);
+                        NumFor[nIndex].SetNatNumNum( nNum, false );
+                        // NatNum12 supports arguments
+                        if (nNum == 12)
+                        {
+                            if (sParams.isEmpty())
+                                sParams = "cardinal"; // default NatNum12 format is "cardinal"
+                            else if (sParams.indexOf("CURRENCY") >= 0)
+                                sParams = sParams.replaceAll("CURRENCY",
+                                    rLoc().getCurrBankSymbol());
+                            NumFor[nIndex].SetNatNumParams(sParams);
+                            sStr += " " + sParams;
+                        }
+                    }
+                    break;
+                case BRACKET_SYMBOLTYPE_DBNUM1 :
+                case BRACKET_SYMBOLTYPE_DBNUM2 :
+                case BRACKET_SYMBOLTYPE_DBNUM3 :
+                case BRACKET_SYMBOLTYPE_DBNUM4 :
+                case BRACKET_SYMBOLTYPE_DBNUM5 :
+                case BRACKET_SYMBOLTYPE_DBNUM6 :
+                case BRACKET_SYMBOLTYPE_DBNUM7 :
+                case BRACKET_SYMBOLTYPE_DBNUM8 :
+                case BRACKET_SYMBOLTYPE_DBNUM9 :
+                    if ( NumFor[nIndex].GetNatNum().IsSet() )
+                    {
+                        bCancel = true;         // break for
+                        nCheckPos = nPosOld;
+                    }
+                    else
+                    {
+                        //! eSymbolType is negative
+                        sal_uInt8 nNum = static_cast<sal_uInt8>(1 - (eSymbolType - BRACKET_SYMBOLTYPE_DBNUM1));
+                        sStr = "DBNum" + OUStringChar(sal_Unicode('0' + nNum));
+                        NumFor[nIndex].SetNatNumNum( nNum, true );
+                    }
+                    break;
+                case BRACKET_SYMBOLTYPE_LOCALE :
+                    if ( NumFor[nIndex].GetNatNum().GetLang() != LANGUAGE_DONTKNOW ||
+                         sBuff[nPos-1] != ']' )
+                        // Check also for ']' to avoid pulling in
+                        // locale data for the preview string for not
+                        // yet completed LCIDs in the dialog.
+                    {
+                        bCancel = true;         // break for
+                        nCheckPos = nPosOld;
+                    }
+                    else
+                    {
+                        sal_Int32 nTmp = 2;
+                        LocaleType aTmpLocale( ImpGetLocaleType( sStr, nTmp));
+                        if (aTmpLocale.meLanguage == LANGUAGE_DONTKNOW)
+                        {
+                            bCancel = true;         // break for
+                            nCheckPos = nPosOld;
+                        }
+                        else
+                        {
+                            // Only the first sub format's locale will be
+                            // used as the format's overall locale.
+                            // Sorts this also under the corresponding
+                            // locale for the dialog.
+                            // If we don't support the locale this would
+                            // result in an unknown (empty) language
+                            // listbox entry and the user would never see
+                            // this format.
+                            if (nIndex == 0 && (aTmpLocale.meLanguage == LANGUAGE_SYSTEM ||
+                                                SvNumberFormatter::IsLocaleInstalled( aTmpLocale.meLanguage)))
+                            {
+                                maLocale = aTmpLocale;
+                                eLan = aTmpLocale.meLanguage;   // return to caller
+
+                                // Set new target locale also at scanner.
+                                // We have to do this because switching locale
+                                // may make replacing keywords and separators
+                                // necessary.
+                                // We can do this because it's the first
+                                // subformat and we're still at parsing the
+                                // modifiers, not keywords.
+                                rScan.SetNewLnge( eLan);
+                                // We can not force conversion though because
+                                // the caller may have explicitly not set it.
+                                // In the usual case the target locale is the
+                                // originating locale the conversion is not
+                                // necessary, when reading alien documents
+                                // conversion is enabled anyway.
+
+                                /* TODO: fiddle with scanner to make this
+                                 * known? A change in the locale may affect
+                                 * separators and keywords. On the other
+                                 * hand they may have been entered as used
+                                 * in the originating locale, there's no
+                                 * way to predict other than analyzing the
+                                 * format code, we assume here the current
+                                 * context is used, which is most likely
+                                 * the case.
+                                 * */
+
+                                // Strip a plain locale identifier if locale
+                                // data is available to avoid duplicated
+                                // formats with and without LCID for the same
+                                // locale. Besides it looks ugly and confusing
+                                // and is unnecessary as the format will be
+                                // listed for the resulting locale.
+                                if (aTmpLocale.isPlainLocale())
+                                    sStr.clear();
+                                else
+                                    sStr = "$-" + aTmpLocale.generateCode();
+                            }
+                            else
+                            {
+                                if (nIndex == 0)
+                                    // Locale data not available, remember.
+                                    maLocale.meLanguageWithoutLocaleData = aTmpLocale.meLanguage;
+
+                                sStr = "$-" + aTmpLocale.generateCode();
+                            }
+                            NumFor[nIndex].SetNatNumLang( MsLangId::getRealLanguage( aTmpLocale.meLanguage));
+
+                            // "$-NNCCLLLL" Numerals and Calendar
+                            if (sSymbol.getLength() > 6)
+                            {
+                                sInsertCalendar = ImpObtainCalendarAndNumerals( sBuff, nPos, eLan, aTmpLocale);
+                            }
+                            /* NOTE: there can be only one calendar
+                             * inserted so the last one wins, though
+                             * our own calendar modifiers support
+                             * multiple calendars within one sub format
+                             * code if at different positions. */
+                        }
+                    }
+                    break;
+                }
+                if ( !bCancel )
+                {
+                    if (sStr == sSymbol)
+                    {
+                        nPosOld = nPos;
+                    }
+                    else
+                    {
+                        sBuff.remove(nPosOld, nPos - nPosOld);
+                        if (!sStr.isEmpty())
+                        {
+                            sBuff.insert(nPosOld, "[" + sStr + "]");
+                            nPos = nPosOld + sStr.getLength() + 2;
+                            nPosOld = nPos;     // position before string
+                        }
+                        else
+                        {
+                            nPos = nPosOld;     // prefix removed for whatever reason
+                        }
+                    }
+                }
+            }
+        }
+        while ( !bCancel && lcl_SvNumberformat_IsBracketedPrefix( eSymbolType ) );
+
+        // The remaining format code string
+        if ( !bCancel )
+        {
+            if (eSymbolType == BRACKET_SYMBOLTYPE_FORMAT)
+            {
+                if (nIndex == 1 && eOp1 == NUMBERFORMAT_OP_NO)
+                {
+                    eOp1 = NUMBERFORMAT_OP_GT;  // undefined condition, default: > 0
+                }
+                else if (nIndex == 2 && eOp2 == NUMBERFORMAT_OP_NO)
+                {
+                    eOp2 = NUMBERFORMAT_OP_LT;  // undefined condition, default: < 0
+                }
+                if (sStr.isEmpty())
+                {
+                    // Empty sub format.
+                    NumFor[nIndex].Info().eScannedType = SvNumFormatType::EMPTY;
+                }
+                else
+                {
+                    if (!sInsertCalendar.isEmpty())
+                    {
+                        sStr = sInsertCalendar + sStr;
+                    }
+                    sal_Int32 nStrPos = pSc->ScanFormat( sStr);
+                    sal_uInt16 nCnt = pSc->GetResultStringsCnt();
+                    if (nCnt == 0 && nStrPos == 0)  // error
+                    {
+                        nStrPos = 1;
+                    }
+                    if (nStrPos == 0)               // ok
+                    {
+                        // e.g. Thai T speciality
+                        if (pSc->GetNatNumModifier() && !NumFor[nIndex].GetNatNum().IsSet())
+                        {
+                            sStr = "[NatNum"  + OUString::number( pSc->GetNatNumModifier()) + "]" + sStr;
+                            NumFor[nIndex].SetNatNumNum( pSc->GetNatNumModifier(), false );
+                        }
+                        // #i53826# #i42727# For the Thai T speciality we need
+                        // to freeze the locale and immunize it against
+                        // conversions during exports, just in case we want to
+                        // save to Xcl. This disables the feature of being able
+                        // to convert a NatNum to another locale. You can't
+                        // have both.
+                        // FIXME: implement a specialized export conversion
+                        // that works on tokens (have to tokenize all first)
+                        // and doesn't use the format string and
+                        // PutandConvertEntry() to LANGUAGE_ENGLISH_US in
+                        // sc/source/filter/excel/xestyle.cxx
+                        // XclExpNumFmtBuffer::WriteFormatRecord().
+                        LanguageType eLanguage;
+                        if (NumFor[nIndex].GetNatNum().GetNatNum() == 1 &&
+                            ((eLanguage = MsLangId::getRealLanguage( eLan)) == LANGUAGE_THAI) &&
+                            NumFor[nIndex].GetNatNum().GetLang() == LANGUAGE_DONTKNOW)
+                        {
+                            sStr = "[$-" + OUString::number( sal_uInt16(eLanguage), 16 ).toAsciiUpperCase() + "]" + sStr;
+                            NumFor[nIndex].SetNatNumLang( eLanguage);
+                        }
+                        sBuff.remove(nPosOld, nPos - nPosOld);
+                        sBuff.insert(nPosOld, sStr);
+                        nPos = nPosOld + sStr.getLength();
+                        if (nPos < sBuff.getLength())
+                        {
+                            sBuff.insert(nPos, ";");
+                            nPos++;
+                        }
+                        else if (nIndex > 0)
+                        {
+                            // The last subformat. If it is a trailing text
+                            // format the omitted subformats act like they were
+                            // not specified and "inherited" the first format,
+                            // e.g.  0;@  behaves like  0;-0;0;@
+                            if (pSc->GetScannedType() == SvNumFormatType::TEXT)
+                            {
+                                // Reset conditions, reverting any set above.
+                                if (nIndex == 1)
+                                    eOp1 = NUMBERFORMAT_OP_NO;
+                                else if (nIndex == 2)
+                                    eOp2 = NUMBERFORMAT_OP_NO;
+                                nIndex = 3;
+                            }
+                        }
+                        NumFor[nIndex].Enlarge(nCnt);
+                        pSc->CopyInfo(&(NumFor[nIndex].Info()), nCnt);
+                        // type check
+                        if (nIndex == 0)
+                        {
+                            if ( NumFor[nIndex].GetNatNum().GetNatNum() == 12 &&
+                                    lcl_isNatNum12Currency(NumFor[nIndex].GetNatNum().GetParams()) )
+                                eType = SvNumFormatType::CURRENCY;
+                            else
+                                eType = NumFor[nIndex].Info().eScannedType;
+                        }
+                        else if (nIndex == 3)
+                        {   // #77026# Everything recognized IS text
+                            NumFor[nIndex].Info().eScannedType = SvNumFormatType::TEXT;
+                        }
+                        else if ( NumFor[nIndex].Info().eScannedType != eType)
+                        {
+                            eType = SvNumFormatType::DEFINED;
+                        }
+                    }
+                    else
+                    {
+                        nCheckPos = nPosOld + nStrPos;  // error in string
+                        bCancel = true;                 // break for
+                    }
+                }
+            }
+            else if (eSymbolType == BRACKET_SYMBOLTYPE_ERROR)   // error
+            {
+                nCheckPos = nPosOld;
+                bCancel = true;
+            }
+            else if ( lcl_SvNumberformat_IsBracketedPrefix( eSymbolType ) )
+            {
+                nCheckPos = nPosOld + 1;                // error, prefix in string
+                bCancel = true;                         // break for
+            }
+        }
+        if ( bCancel && !nCheckPos )
+        {
+            nCheckPos = 1;      // nCheckPos is used as an error condition
+        }
+        if ( !bCancel )
+        {
+            if ( NumFor[nIndex].GetNatNum().IsSet() &&
+                 NumFor[nIndex].GetNatNum().GetLang() == LANGUAGE_DONTKNOW )
+            {
+                 NumFor[nIndex].SetNatNumLang( eLan );
+            }
+        }
+        if (sBuff.getLength() == nPos)
+        {
+            if (nIndex < 3 && rString[rString.getLength()-1] == ';')
+            {
+                // A trailing ';' is significant and specifies the following
+                // subformat to be empty. We don't enter the scanning loop
+                // above again though.
+                // Note that the operators apply to the current last scanned
+                // subformat.
+                if (nIndex == 0 && eOp1 == NUMBERFORMAT_OP_NO)
+                {
+                    eOp1 = NUMBERFORMAT_OP_GT;  // undefined condition, default: > 0
+                }
+                else if (nIndex == 1 && eOp2 == NUMBERFORMAT_OP_NO)
+                {
+                    eOp2 = NUMBERFORMAT_OP_LT;  // undefined condition, default: < 0
+                }
+                NumFor[nIndex+1].Info().eScannedType = SvNumFormatType::EMPTY;
+                if (sBuff[nPos-1] != ';')
+                    sBuff.insert( nPos++, ';');
+            }
+            if (nIndex == 2 && eSymbolType == BRACKET_SYMBOLTYPE_FORMAT && sBuff[nPos-1] == ';')
+            {
+                // #83510# A 4th subformat explicitly specified to be empty
+                // hides any text. Need the type here for HasTextFormat()
+                NumFor[3].Info().eScannedType = SvNumFormatType::TEXT;
+            }
+            bCancel = true;
+        }
+        if ( NumFor[nIndex].GetNatNum().IsSet() )
+        {
+            NumFor[nIndex].SetNatNumDate( bool(NumFor[nIndex].Info().eScannedType & SvNumFormatType::DATE) );
+        }
+    }
+
+    if (!nCheckPos && IsSubstituted())
+    {
+        // For to be substituted formats the scanned type must match the
+        // substitute type.
+        if (IsSystemTimeFormat())
+        {
+            if ((eType & ~SvNumFormatType::DEFINED) != SvNumFormatType::TIME)
+                nCheckPos = std::max<sal_Int32>( sBuff.indexOf(']') + 1, 1);
+        }
+        else if (IsSystemLongDateFormat())
+        {
+            if ((eType & ~SvNumFormatType::DEFINED) != SvNumFormatType::DATE)
+                nCheckPos = std::max<sal_Int32>( sBuff.indexOf(']') + 1, 1);
+        }
+        else
+            assert(!"unhandled substitute");
+    }
+
+    if ( bCondition && !nCheckPos )
+    {
+        if ( nIndex == 1 && NumFor[0].GetCount() == 0 &&
+             sBuff[sBuff.getLength() - 1] != ';' )
+        {
+            // No format code => GENERAL but not if specified empty
+            OUString aAdd( pSc->GetStandardName() );
+            if ( !pSc->ScanFormat( aAdd ) )
+            {
+                sal_uInt16 nCnt = pSc->GetResultStringsCnt();
+                if ( nCnt )
+                {
+                    NumFor[0].Enlarge(nCnt);
+                    pSc->CopyInfo( &(NumFor[0].Info()), nCnt );
+                    sBuff.append(aAdd);
+                }
+            }
+        }
+        else if ( nIndex == 1 && NumFor[nIndex].GetCount() == 0 &&
+                  sBuff[sBuff.getLength() - 1] != ';' &&
+                  (NumFor[0].GetCount() > 1 ||
+                   (NumFor[0].GetCount() == 1 &&
+                    NumFor[0].Info().nTypeArray[0] != NF_KEY_GENERAL)) )
+        {
+            // No trailing second subformat => GENERAL but not if specified empty
+            // and not if first subformat is GENERAL
+            OUString aAdd( pSc->GetStandardName() );
+            if ( !pSc->ScanFormat( aAdd ) )
+            {
+                sal_uInt16 nCnt = pSc->GetResultStringsCnt();
+                if ( nCnt )
+                {
+                    NumFor[nIndex].Enlarge(nCnt);
+                    pSc->CopyInfo( &(NumFor[nIndex].Info()), nCnt );
+                    sBuff.append(";" + aAdd);
+                }
+            }
+        }
+        else if ( nIndex == 2 && NumFor[nIndex].GetCount() == 0 &&
+                  sBuff[sBuff.getLength() - 1] != ';' &&
+                  eOp2 != NUMBERFORMAT_OP_NO )
+        {
+            // No trailing third subformat => GENERAL but not if specified empty
+            OUString aAdd( pSc->GetStandardName() );
+            if ( !pSc->ScanFormat( aAdd ) )
+            {
+                sal_uInt16 nCnt = pSc->GetResultStringsCnt();
+                if ( nCnt )
+                {
+                    NumFor[nIndex].Enlarge(nCnt);
+                    pSc->CopyInfo( &(NumFor[nIndex].Info()), nCnt );
+                    sBuff.append(";" + aAdd);
+                }
+            }
+        }
+    }
+    rString = sBuff.makeStringAndClear();
+    sFormatstring = rString;
+
+    if (NumFor[2].GetCount() == 0 && // No third partial string
+        eOp1 == NUMBERFORMAT_OP_GT && eOp2 == NUMBERFORMAT_OP_NO &&
+        fLimit1 == 0.0 && fLimit2 == 0.0)
+    {
+        eOp1 = NUMBERFORMAT_OP_GE; // Add 0 to the first format
+    }
+
+}
+
+SvNumberformat::~SvNumberformat()
+{
+}
+
+/**
+ * Next_Symbol
+ *
+ * Splits up the symbols for further processing (by the Turing machine)
+ *
+ * Start state = SsStart, * = Special state
+ * ---------------+-------------------+----------------------------+---------------
+ *  Old State     | Symbol read       | Event                      | New state
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsStart       | "                 | Symbol += Character        | SsGetQuoted
+ *                | ;                 | Pos--                      | SsGetString
+ *                | [                 | Symbol += Character        | SsGetBracketed
+ *                | ]                 | Error                      | SsStop
+ *                | BLANK             |                            |
+ *                | Else              | Symbol += Character        | SsGetString
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsGetString   | "                 | Symbol += Character        | SsGetQuoted
+ *                | ;                 |                            | SsStop
+ *                | Else              | Symbol += Character        |
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsGetQuoted   | "                 | Symbol += Character        | SsGetString
+ *                | Else              | Symbol += Character        |
+ * ---------------+-------------------+----------------------------+---------------
+ * SsGetBracketed | <, > =            | del [                      |
+ *                |                   | Symbol += Character        | SsGetCon
+ *                | BLANK             |                            |
+ *                | h, H, m, M, s, S  | Symbol += Character        | SsGetTime
+ *                | Else              | del [                      |
+ *                |                   | Symbol += Character        | SsGetPrefix
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsGetTime     | ]                 | Symbol += Character        | SsGetString
+ *                | h, H, m, M, s, S  | Symbol += Character, *     | SsGetString
+ *                | Else              | del [; Symbol += Character | SsGetPrefix
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsGetPrefix   | ]                 |                            | SsStop
+ *                | Else              | Symbol += Character        |
+ * ---------------+-------------------+----------------------------+---------------
+ *  SsGetCon      | >, =              | Symbol += Character        |
+ *                | ]                 |                            | SsStop
+ *                | Else              | Error                      | SsStop
+ * ---------------+-------------------+----------------------------+---------------
+ */
+
+namespace {
+
+enum ScanState
+{
+    SsStop,
+    SsStart,
+    SsGetCon,           // condition
+    SsGetString,        // format string
+    SsGetPrefix,        // color or NatNumN
+    SsGetTime,          // [HH] for time
+    SsGetBracketed,     // any [...] not decided yet
+    SsGetQuoted         // quoted text
+};
+
+}
+
+// read a string until ']' and delete spaces in input
+// static
+sal_Int32 SvNumberformat::ImpGetNumber(OUStringBuffer& rString,
+                                       sal_Int32& nPos,
+                                       OUString& sSymbol)
+{
+    sal_Int32 nStartPos = nPos;
+    sal_Unicode cToken;
+    sal_Int32 nLen = rString.getLength();
+    OUStringBuffer sBuffSymbol;
+    while ( nPos < nLen )
+    {
+        cToken = rString[nPos];
+        if (cToken == ']')
+            break;
+        if (cToken == ' ')
+        {                                               // delete spaces
+            rString.remove(nPos,1);
+            nLen--;
+        }
+        else
+        {
+            nPos++;
+            sBuffSymbol.append(cToken);
+        }
+    }
+    sSymbol = sBuffSymbol.makeStringAndClear();
+    return nPos - nStartPos;
+}
+
+namespace {
+
+sal_Unicode toUniChar(sal_uInt8 n)
+{
+    char c;
+    if (n < 10)
+    {
+        c = '0' + n;
+    }
+    else
+    {
+        c = 'A' + n - 10;
+    }
+    return sal_Unicode(c);
+}
+
+bool IsCombiningSymbol( OUStringBuffer& rStringBuffer, sal_Int32 nPos )
+{
+    bool bRet = false;
+    while (nPos >= 0)
+    {
+        switch (rStringBuffer[nPos])
+        {
+            case '*':
+            case '\\':
+            case '_':
+                bRet = !bRet;
+                --nPos;
+                break;
+            default:
+                return bRet;
+        }
+    }
+    return bRet;
+}
+
+} // namespace
+
+OUString SvNumberformat::LocaleType::generateCode() const
+{
+    OUStringBuffer aBuf;
+#if 0
+    // TODO: We may re-enable this later. Don't remove it! --Kohei
+    if (mnNumeralShape)
+    {
+        sal_uInt8 nVal = mnNumeralShape;
+        for (sal_uInt8 i = 0; i < 2; ++i)
+        {
+            sal_uInt8 n = (nVal & 0xF0) >> 4;
+            if (n || aBuf.getLength())
+            {
+                aBuf.append(toUniChar(n));
+            }
+            nVal = nVal << 4;
+        }
+    }
+
+    if (mnNumeralShape || mnCalendarType)
+    {
+        sal_uInt8 nVal = mnCalendarType;
+        for (sal_uInt8 i = 0; i < 2; ++i)
+        {
+            sal_uInt8 n = (nVal & 0xF0) >> 4;
+            if (n || aBuf.getLength())
+            {
+                aBuf.append(toUniChar(n));
+            }
+            nVal = nVal << 4;
+        }
+    }
+#endif
+
+    sal_uInt16 n16 = static_cast<sal_uInt16>(
+            (meLanguageWithoutLocaleData == LANGUAGE_DONTKNOW) ? meLanguage :
+            meLanguageWithoutLocaleData);
+    if (meLanguage == LANGUAGE_SYSTEM)
+    {
+        switch (meSubstitute)
+        {
+            case Substitute::NONE:
+                ;   // nothing
+                break;
+            case Substitute::TIME:
+                n16 = static_cast<sal_uInt16>(LANGUAGE_NF_SYSTEM_TIME);
+                break;
+            case Substitute::LONGDATE:
+                n16 = static_cast<sal_uInt16>(LANGUAGE_NF_SYSTEM_DATE);
+                break;
+        }
+    }
+    for (sal_uInt8 i = 0; i < 4; ++i)
+    {
+        sal_uInt8 n = static_cast<sal_uInt8>((n16 & 0xF000) >> 12);
+        // Omit leading zeros for consistency.
+        if (n || !aBuf.isEmpty() || i == 3)
+        {
+            aBuf.append(toUniChar(n));
+        }
+        n16 = n16 << 4;
+    }
+
+    return aBuf.makeStringAndClear();
+}
+
+SvNumberformat::LocaleType::LocaleType()
+    : meLanguage(LANGUAGE_DONTKNOW)
+    , meLanguageWithoutLocaleData(LANGUAGE_DONTKNOW)
+    , meSubstitute(Substitute::NONE)
+    , mnNumeralShape(0)
+    , mnCalendarType(0)
+{
+}
+
+SvNumberformat::LocaleType::LocaleType(sal_uInt32 nRawNum)
+    : meLanguage(LANGUAGE_DONTKNOW)
+    , meLanguageWithoutLocaleData(LANGUAGE_DONTKNOW)
+    , meSubstitute(Substitute::NONE)
+    , mnNumeralShape(0)
+    , mnCalendarType(0)
+{
+    meLanguage = static_cast<LanguageType>(nRawNum & 0x0000FFFF);
+    if (meLanguage == LANGUAGE_NF_SYSTEM_TIME)
+    {
+        meSubstitute = Substitute::TIME;
+        meLanguage = LANGUAGE_SYSTEM;
+    }
+    else if (meLanguage == LANGUAGE_NF_SYSTEM_DATE)
+    {
+        meSubstitute = Substitute::LONGDATE;
+        meLanguage = LANGUAGE_SYSTEM;
+    }
+    nRawNum = (nRawNum >> 16);
+    mnCalendarType = static_cast<sal_uInt8>(nRawNum & 0xFF);
+    nRawNum = (nRawNum >> 8);
+    mnNumeralShape = static_cast<sal_uInt8>(nRawNum & 0xFF);
+}
+
+bool SvNumberformat::LocaleType::isPlainLocale() const
+{
+    return meSubstitute == Substitute::NONE && !mnCalendarType && !mnNumeralShape;
+}
+
+// static
+SvNumberformat::LocaleType SvNumberformat::ImpGetLocaleType(std::u16string_view rString, sal_Int32& nPos )
+{
+    sal_uInt32 nNum = 0;
+    sal_Unicode cToken = 0;
+    sal_Int32 nStart = nPos;
+    sal_Int32 nLen = rString.size();
+    while ( nPos < nLen && (nPos - nStart < 8) )
+    {
+        cToken = rString[nPos];
+        if (cToken == ']')
+            break;
+        if ( '0' <= cToken && cToken <= '9' )
+        {
+            nNum *= 16;
+            nNum += cToken - '0';
+        }
+        else if ( 'a' <= cToken && cToken <= 'f' )
+        {
+            nNum *= 16;
+            nNum += cToken - 'a' + 10;
+        }
+        else if ( 'A' <= cToken && cToken <= 'F' )
+        {
+            nNum *= 16;
+            nNum += cToken - 'A' + 10;
+        }
+        else
+        {
+            return LocaleType(); // LANGUAGE_DONTKNOW;
+        }
+        ++nPos;
+    }
+
+    return (cToken == ']' || nPos == nLen) ? LocaleType(nNum) : LocaleType();
+}
+
+static bool lcl_matchKeywordAndGetNumber( std::u16string_view rString, const sal_Int32 nPos,
+        std::u16string_view rKeyword, sal_Int32 & nNumber )
+{
+    if (0 <= nPos && nPos + static_cast<sal_Int32>(rKeyword.size()) < static_cast<sal_Int32>(rString.size()) && o3tl::matchIgnoreAsciiCase( rString, rKeyword, nPos))
+    {
+        nNumber = o3tl::toInt32(rString.substr( nPos + rKeyword.size()));
+        return true;
+    }
+    else
+    {
+        nNumber = 0;
+        return false;
+    }
+}
+
+short SvNumberformat::ImpNextSymbol(OUStringBuffer& rString,
+                                    sal_Int32& nPos,
+                                    OUString& sSymbol) const
+{
+    short eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+    sal_Unicode cToken;
+    sal_Unicode cLetter = ' '; // Preliminary result
+    sal_Int32 nLen = rString.getLength();
+    ScanState eState = SsStart;
+    OUStringBuffer sBuffSymbol(128);
+
+    const NfKeywordTable & rKeywords = rScan.GetKeywords();
+    while (nPos < nLen && eState != SsStop)
+    {
+        cToken = rString[nPos];
+        nPos++;
+        switch (eState)
+        {
+        case SsStart:
+            if (cToken == '\"')
+            {
+                eState = SsGetQuoted;
+                sBuffSymbol.append(cToken);
+            }
+            else if (cToken == '[')
+            {
+                eState = SsGetBracketed;
+                sBuffSymbol.append(cToken);
+            }
+            else if (cToken == ';')
+            {
+                eState = SsGetString;
+                nPos--;
+                eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+            }
+            else if (cToken == ']')
+            {
+                eState = SsStop;
+                eSymbolType = BRACKET_SYMBOLTYPE_ERROR;
+            }
+            else if (cToken == ' ') // Skip Blanks
+            {
+                nPos--;
+                rString.remove(nPos, 1);
+                nLen--;
+            }
+            else
+            {
+                sBuffSymbol.append(cToken);
+                eState = SsGetString;
+                eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+            }
+            break;
+        case SsGetBracketed:
+            switch (cToken)
+            {
+            case '<':
+            case '>':
+            case '=':
+                sBuffSymbol.stripStart('[');
+                sBuffSymbol.append(cToken);
+                cLetter = cToken;
+                eState = SsGetCon;
+                switch (cToken)
+                {
+                case '<':
+                    eSymbolType = NUMBERFORMAT_OP_LT;
+                    break;
+                case '>':
+                    eSymbolType = NUMBERFORMAT_OP_GT;
+                    break;
+                case '=':
+                    eSymbolType = NUMBERFORMAT_OP_EQ;
+                    break;
+                }
+                break;
+            case ' ':
+                nPos--;
+                rString.remove(nPos, 1);
+                nLen--;
+                break;
+            case '$' :
+                if ( nPos < nLen && rString[nPos] == '-' )
+                {
+                    // [$-xxx] locale
+                    sBuffSymbol.stripStart('[');
+                    eSymbolType = BRACKET_SYMBOLTYPE_LOCALE;
+                    eState = SsGetPrefix;
+                }
+                else
+                {   // currency
+                    eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+                    eState = SsGetString;
+                }
+                sBuffSymbol.append(cToken);
+                break;
+            case '~' :
+                // calendarID
+                eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+                sBuffSymbol.append(cToken);
+                eState = SsGetString;
+                break;
+            default:
+            {
+                static constexpr OUString aNatNum(u"NATNUM"_ustr);
+                static constexpr OUString aDBNum(u"DBNUM"_ustr);
+                const OUString aBufStr( rString.toString());
+                sal_Int32 nNatNumNum;
+                sal_Int32 nDBNum;
+                if ( lcl_matchKeywordAndGetNumber( aBufStr, nPos-1, aNatNum, nNatNumNum) &&
+                        0 <= nNatNumNum && nNatNumNum <= 19 )
+                {
+                    sBuffSymbol.stripStart('[');
+                    sBuffSymbol.append( aBufStr.subView(--nPos, aNatNum.getLength()+1) );
+                    nPos += aNatNum.getLength()+1;
+                    //! SymbolType is negative
+                    eSymbolType = static_cast<short>(BRACKET_SYMBOLTYPE_NATNUM0 - nNatNumNum);
+                    eState = SsGetPrefix;
+                }
+                else if ( lcl_matchKeywordAndGetNumber( aBufStr, nPos-1, aDBNum, nDBNum) &&
+                        1 <= nDBNum && nDBNum <= 9 )
+                {
+                    sBuffSymbol.stripStart('[');
+                    sBuffSymbol.append( aBufStr.subView(--nPos, aDBNum.getLength()+1) );
+                    nPos += aDBNum.getLength()+1;
+                    //! SymbolType is negative
+                    eSymbolType = sal::static_int_cast< short >( BRACKET_SYMBOLTYPE_DBNUM1 - (nDBNum - 1) );
+                    eState = SsGetPrefix;
+                }
+                else
+                {
+                    sal_Unicode cUpper = rChrCls().uppercase( aBufStr, nPos-1, 1)[0];
+                    if (    cUpper == rKeywords[NF_KEY_H][0] ||     // H
+                            cUpper == rKeywords[NF_KEY_MI][0] ||    // M
+                            cUpper == rKeywords[NF_KEY_S][0] )      // S
+                    {
+                        sBuffSymbol.append(cToken);
+                        eState = SsGetTime;
+                        cLetter = cToken;
+                    }
+                    else
+                    {
+                        sBuffSymbol.stripStart('[');
+                        sBuffSymbol.append(cToken);
+                        eSymbolType = BRACKET_SYMBOLTYPE_COLOR;
+                        eState = SsGetPrefix;
+                    }
+                }
+            }
+            }
+            break;
+        case SsGetString:
+            if (cToken == '\"')
+            {
+                eState = SsGetQuoted;
+                sBuffSymbol.append(cToken);
+            }
+            else if (cToken == ';' && (nPos < 2 || !IsCombiningSymbol( rString, nPos-2)))
+            {
+                eState = SsStop;
+            }
+            else
+            {
+                sBuffSymbol.append(cToken);
+            }
+            break;
+        case SsGetQuoted:
+            if (cToken == '\"')
+            {
+                eState = SsGetString;
+                sBuffSymbol.append(cToken);
+            }
+            else
+            {
+                sBuffSymbol.append(cToken);
+            }
+            break;
+        case SsGetTime:
+            if (cToken == ']')
+            {
+                sBuffSymbol.append(cToken);
+                eState = SsGetString;
+                eSymbolType = BRACKET_SYMBOLTYPE_FORMAT;
+            }
+            else
+            {
+                sal_Unicode cUpper = rChrCls().uppercase(rString.toString(), nPos-1, 1)[0];
+                if (cUpper == rKeywords[NF_KEY_H][0] ||   // H
+                    cUpper == rKeywords[NF_KEY_MI][0] ||  // M
+                    cUpper == rKeywords[NF_KEY_S][0] )    // S
+                {
+                    if (cLetter == cToken)
+                    {
+                        sBuffSymbol.append(cToken);
+                        cLetter = ' ';
+                    }
+                    else
+                    {
+                        sBuffSymbol.stripStart('[');
+                        sBuffSymbol.append(cToken);
+                        eState = SsGetPrefix;
+                    }
+                }
+                else
+                {
+                    sBuffSymbol.stripStart('[');
+                    sBuffSymbol.append(cToken);
+                    eSymbolType = BRACKET_SYMBOLTYPE_COLOR;
+                    eState = SsGetPrefix;
+                }
+            }
+            break;
+        case SsGetCon:
+            switch (cToken)
+            {
+            case '<':
+                eState = SsStop;
+                eSymbolType = BRACKET_SYMBOLTYPE_ERROR;
+                break;
+            case '>':
+                if (cLetter == '<')
+                {
+                    sBuffSymbol.append(cToken);
+                    cLetter = ' ';
+                    eState = SsStop;
+                    eSymbolType = NUMBERFORMAT_OP_NE;
+                }
+                else
+                {
+                    eState = SsStop;
+                    eSymbolType = BRACKET_SYMBOLTYPE_ERROR;
+                }
+                break;
+            case '=':
+                if (cLetter == '<')
+                {
+                    sBuffSymbol.append(cToken);
+                    cLetter = ' ';
+                    eSymbolType = NUMBERFORMAT_OP_LE;
+                }
+                else if (cLetter == '>')
+                {
+                    sBuffSymbol.append(cToken);
+                    cLetter = ' ';
+                    eSymbolType = NUMBERFORMAT_OP_GE;
+                }
+                else
+                {
+                    eState = SsStop;
+                    eSymbolType = BRACKET_SYMBOLTYPE_ERROR;
+                }
+                break;
+            case ' ':
+                nPos--;
+                rString.remove(nPos,1);
+                nLen--;
+                break;
+            default:
+                eState = SsStop;
+                nPos--;
+                break;
+            }
+            break;
+        case SsGetPrefix:
+            if (cToken == ']')
+            {
+                eState = SsStop;
+            }
+            else
+            {
+                sBuffSymbol.append(cToken);
+            }
+            break;
+        default:
+            break;
+        } // of switch
+    } // of while
+    sSymbol = sBuffSymbol.makeStringAndClear();
+    return eSymbolType;
+}
+
+void SvNumberformat::ConvertLanguage( SvNumberFormatter& rConverter,
+                                      LanguageType eConvertFrom,
+                                      LanguageType eConvertTo )
+{
+    sal_Int32 nCheckPos;
+    sal_uInt32 nKey;
+    SvNumFormatType nType = eType;
+    OUString aFormatString( sFormatstring );
+    rConverter.PutandConvertEntry( aFormatString, nCheckPos, nType,
+                                   nKey, eConvertFrom, eConvertTo, false);
+    const SvNumberformat* pFormat = rConverter.GetEntry( nKey );
+    DBG_ASSERT( pFormat, "SvNumberformat::ConvertLanguage: Conversion without format" );
+    if ( pFormat )
+    {
+        ImpCopyNumberformat( *pFormat );
+        // Reset values taken over from Formatter/Scanner
+        // pColor still points to table in temporary Formatter/Scanner
+        for (ImpSvNumFor & rFormatter : NumFor)
+        {
+            OUString aColorName = rFormatter.GetColorName();
+            const Color* pColor = rScan.GetColor( aColorName );
+            rFormatter.SetColor( pColor, aColorName );
+        }
+    }
+}
+
+bool SvNumberformat::HasNewCurrency() const
+{
+    for (const auto & j : NumFor)
+    {
+        if ( j.HasNewCurrency() )
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+bool SvNumberformat::GetNewCurrencySymbol( OUString& rSymbol,
+                                           OUString& rExtension ) const
+{
+    for (const auto & j : NumFor)
+    {
+        if ( j.GetNewCurrencySymbol( rSymbol, rExtension ) )
+        {
+            return true;
+        }
+    }
+    rSymbol.clear();
+    rExtension.clear();
+    return false;
+}
+
+// static
+OUString SvNumberformat::StripNewCurrencyDelimiters( const OUString& rStr )
+{
+    OUStringBuffer aTmp(rStr.getLength());
+    sal_Int32 nStartPos, nPos, nLen;
+    nLen = rStr.getLength();
+    nStartPos = 0;
+    while ( (nPos = rStr.indexOf( "[$", nStartPos )) >= 0 )
+    {
+        sal_Int32 nEnd;
+        if ( (nEnd = GetQuoteEnd( rStr, nPos )) >= 0 )
+        {
+            aTmp.append(rStr.subView( nStartPos, ++nEnd - nStartPos ));
+            nStartPos = nEnd;
+        }
+        else
+        {
+            aTmp.append(rStr.subView(nStartPos, nPos - nStartPos) );
+            nStartPos = nPos + 2;
+            sal_Int32 nDash;
+            nEnd = nStartPos - 1;
+            do
+            {
+                nDash = rStr.indexOf( '-', ++nEnd );
+                nEnd = GetQuoteEnd( rStr, nDash );
+            }
+            while ( nEnd >= 0 );
+            sal_Int32 nClose;
+            nEnd = nStartPos - 1;
+            do
+            {
+                nClose = rStr.indexOf( ']', ++nEnd );
+                nEnd = GetQuoteEnd( rStr, nClose );
+            }
+            while ( nEnd >= 0 );
+
+            if(nClose < 0)
+            {
+                /* there should always be a closing ]
+                 * but the old String class would have hidden
+                 * that. so be conservative too
+                 */
+                nClose = nLen;
+            }
+
+            nPos = nClose;
+            if(nDash >= 0 && nDash < nClose)
+            {
+                nPos = nDash;
+            }
+            aTmp.append(rStr.subView(nStartPos, nPos - nStartPos) );
+            nStartPos = nClose + 1;
+        }
+    }
+    if ( nLen > nStartPos )
+    {
+        aTmp.append(rStr.subView(nStartPos, nLen - nStartPos) );
+    }
+    return aTmp.makeStringAndClear();
+}
+
+void SvNumberformat::ImpGetOutputStandard(double& fNumber, OUStringBuffer& rOutString) const
+{
+    OUString sTemp;
+    ImpGetOutputStandard(fNumber, sTemp);
+    rOutString = sTemp;
+}
+
+void SvNumberformat::ImpGetOutputStandard(double& fNumber, OUString& rOutString) const
+{
+    sal_uInt16 nStandardPrec = rScan.GetStandardPrec();
+
+    if ( fabs(fNumber) > EXP_ABS_UPPER_BOUND )
+    {
+        nStandardPrec = ::std::min(nStandardPrec, static_cast<sal_uInt16>(14)); // limits to 14 decimals
+        rOutString = ::rtl::math::doubleToUString( fNumber,
+                                                  rtl_math_StringFormat_E2, nStandardPrec /*2*/,
+                                                  GetFormatter().GetNumDecimalSep()[0]);
+    }
+    else
+    {
+        ImpGetOutputStdToPrecision(fNumber, rOutString, nStandardPrec);
+    }
+}
+
+namespace
+{
+
+template<typename T>
+bool checkForAll0s(const T& rString, sal_Int32 nIdx=0)
+{
+    if (nIdx>=rString.getLength())
+        return false;
+
+    do
+    {
+        if (rString[nIdx]!='0')
+            return false;
+    }
+    while (++nIdx<rString.getLength());
+
+    return true;
+}
+
+}
+
+void SvNumberformat::ImpGetOutputStdToPrecision(double& rNumber, OUString& rOutString, sal_uInt16 nPrecision) const
+{
+    // Make sure the precision doesn't go over the maximum allowable precision.
+    nPrecision = ::std::min(UPPER_PRECISION, nPrecision);
+
+    // We decided to strip trailing zeros unconditionally, since binary
+    // double-precision rounding error makes it impossible to determine e.g.
+    // whether 844.10000000000002273737 is what the user has typed, or the
+    // user has typed 844.1 but IEEE 754 represents it that way internally.
+
+    rOutString = ::rtl::math::doubleToUString( rNumber,
+                                               rtl_math_StringFormat_F, nPrecision /*2*/,
+                                               GetFormatter().GetNumDecimalSep()[0], true );
+    if (rOutString[0] == '-' && checkForAll0s(rOutString, 1))
+    {
+        rOutString = comphelper::string::stripStart(rOutString, '-'); // not -0
+    }
+    rOutString = impTransliterate(rOutString, NumFor[0].GetNatNum());
+}
+
+void SvNumberformat::ImpGetOutputInputLine(double fNumber, OUString& OutString) const
+{
+    bool bModified = false;
+    if ( (eType & SvNumFormatType::PERCENT) && (fabs(fNumber) < D_MAX_D_BY_100))
+    {
+        if (fNumber == 0.0)
+        {
+            OutString = "0%";
+            return;
+        }
+        fNumber *= 100;
+        bModified = true;
+    }
+
+    if (fNumber == 0.0)
+    {
+        OutString = "0";
+        return;
+    }
+
+    OutString = ::rtl::math::doubleToUString( fNumber,
+                                              rtl_math_StringFormat_Automatic,
+                                              rtl_math_DecimalPlaces_Max,
+                                              GetFormatter().GetNumDecimalSep()[0], true );
+
+    if ( eType & SvNumFormatType::PERCENT && bModified)
+    {
+        OutString += "%";
+    }
+}
+
+short SvNumberformat::ImpCheckCondition(double fNumber,
+                                        double fLimit,
+                                        SvNumberformatLimitOps eOp)
+{
+    switch(eOp)
+    {
+    case NUMBERFORMAT_OP_NO:
+        return -1;
+    case NUMBERFORMAT_OP_EQ:
+        return static_cast<short>(fNumber == fLimit);
+    case NUMBERFORMAT_OP_NE:
+        return static_cast<short>(fNumber != fLimit);
+    case NUMBERFORMAT_OP_LT:
+        return static_cast<short>(fNumber <  fLimit);
+    case NUMBERFORMAT_OP_LE:
+        return static_cast<short>(fNumber <= fLimit);
+    case NUMBERFORMAT_OP_GT:
+        return static_cast<short>(fNumber >  fLimit);
+    case NUMBERFORMAT_OP_GE:
+        return static_cast<short>(fNumber >= fLimit);
+    default:
+        return -1;
+    }
+}
+
+static bool lcl_appendStarFillChar( OUStringBuffer& rBuf, std::u16string_view rStr )
+{
+    // Right during user input the star symbol is the very
+    // last character before the user enters another one.
+    if (rStr.size() > 1)
+    {
+        rBuf.append(u'\x001B');
+        rBuf.append(rStr[1]);
+        return true;
+    }
+    return false;
+}
+
+static bool lcl_insertStarFillChar( OUStringBuffer& rBuf, sal_Int32 nPos, std::u16string_view rStr )
+{
+    if (rStr.size() > 1)
+    {
+        rBuf.insert( nPos, rStr[1]);
+        rBuf.insert( nPos, u'\x001B');
+        return true;
+    }
+    return false;
+}
+
+void SvNumberformat::GetOutputString(std::u16string_view sString,
+                                     OUString& OutString,
+                                     const Color** ppColor)
+{
+    OUStringBuffer sOutBuff;
+    sal_uInt16 nIx;
+    if (eType & SvNumFormatType::TEXT)
+    {
+        nIx = 0;
+    }
+    else if (NumFor[3].GetCount() > 0)
+    {
+        nIx = 3;
+    }
+    else
+    {
+        *ppColor = nullptr; // no change of color
+        return;
+    }
+    *ppColor = NumFor[nIx].GetColor();
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    if (rInfo.eScannedType == SvNumFormatType::TEXT)
+    {
+        const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+        for (sal_uInt16 i = 0; i < nCnt; i++)
+        {
+            switch (rInfo.nTypeArray[i])
+            {
+            case NF_SYMBOLTYPE_STAR:
+                if( bStarFlag )
+                {
+                    lcl_appendStarFillChar( sOutBuff, rInfo.sStrArray[i]);
+                }
+                break;
+            case NF_SYMBOLTYPE_BLANK:
+                if (rInfo.sStrArray[i].getLength() >= 2)
+                    InsertBlanks( sOutBuff, sOutBuff.getLength(), rInfo.sStrArray[i][1] );
+                break;
+            case NF_KEY_GENERAL :   // #77026# "General" is the same as "@"
+            case NF_SYMBOLTYPE_DEL :
+                sOutBuff.append(sString);
+                break;
+            default:
+                sOutBuff.append(rInfo.sStrArray[i]);
+            }
+        }
+    }
+    OutString = sOutBuff.makeStringAndClear();
+}
+
+namespace {
+
+void lcl_GetOutputStringScientific(double fNumber, sal_uInt16 nCharCount,
+                                   const SvNumberFormatter& rFormatter, OUString& rOutString)
+{
+    bool bSign = std::signbit(fNumber);
+
+    // 1.000E+015 (one digit and the decimal point, and the two chars +
+    // nExpDigit for the exponential part, totalling 6 or 7).
+    double fExp = log10( fabs(fNumber) );
+    if( fExp < 0.0 )
+      fExp = 1.0 - fExp;
+    sal_uInt16 nCharFormat = 6 + (fExp >= 100.0 ? 1 : 0);
+    sal_uInt16 nPrec = nCharCount > nCharFormat ? nCharCount - nCharFormat : 0;
+    if (nPrec && bSign)
+    {
+        // Make room for the negative sign.
+        --nPrec;
+    }
+    nPrec = ::std::min(nPrec, static_cast<sal_uInt16>(14)); // limit to 14 decimals.
+
+    rOutString = ::rtl::math::doubleToUString(fNumber, rtl_math_StringFormat_E2,
+                                              nPrec, rFormatter.GetNumDecimalSep()[0], true );
+}
+
+OUString lcl_GetPercentString(const ImpSvNumberformatInfo &rInfo, sal_uInt16 nCnt)
+{
+    sal_Int32 i;
+    OUStringBuffer aPercentString;
+    for( i = 0; i < nCnt; i++ )
+    {
+        if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_PERCENT )
+        {
+            aPercentString.append( rInfo.sStrArray[i] );
+            bool bStringFound = false;
+            for( i--; i >= 0 && rInfo.nTypeArray[i] == NF_SYMBOLTYPE_STRING ; i-- )
+            {
+                if( !bStringFound )
+                {
+                    bStringFound = true;
+                    aPercentString.insert( 0, "\"" );
+                }
+                aPercentString.insert( 0, rInfo.sStrArray[i] );
+            }
+            i = nCnt;
+            if( bStringFound )
+                aPercentString.insert( 0, "\"" );
+        }
+    }
+    return aPercentString.makeStringAndClear();
+}
+
+OUString lcl_GetDenominatorString(const ImpSvNumberformatInfo &rInfo, sal_uInt16 nCnt)
+{
+    sal_Int32 i;
+    OUStringBuffer aDenominatorString;
+    for( i = 0; i < nCnt; i++ )
+    {
+        if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_FRAC )
+        {
+            while ( ( ++i < nCnt ) && rInfo.nTypeArray[i] != NF_SYMBOLTYPE_FRAC_FDIV
+                                   && rInfo.nTypeArray[i] != NF_SYMBOLTYPE_DIGIT );
+            for( ; i < nCnt; i++ )
+            {
+                if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_FRAC_FDIV || rInfo.nTypeArray[i] == NF_SYMBOLTYPE_DIGIT )
+                    aDenominatorString.append( rInfo.sStrArray[i] );
+                else
+                    i = nCnt;
+            }
+        }
+    }
+    return aDenominatorString.makeStringAndClear();
+}
+
+OUString lcl_GetNumeratorString(const ImpSvNumberformatInfo &rInfo, sal_uInt16 nCnt)
+{
+    sal_Int32 i;
+    OUStringBuffer aNumeratorString;
+    for( i = 0; i < nCnt; i++ )
+    {
+        if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_FRAC )
+        {
+            for( i--; i >= 0 && rInfo.nTypeArray[i] == NF_SYMBOLTYPE_DIGIT ; i-- )
+            {
+                aNumeratorString.insert( 0, rInfo.sStrArray[i] );
+            }
+            i = nCnt;
+        }
+    }
+    return aNumeratorString.makeStringAndClear();
+}
+
+OUString lcl_GetFractionIntegerString(const ImpSvNumberformatInfo &rInfo, sal_uInt16 nCnt)
+{
+    sal_Int32 i;
+    OUStringBuffer aIntegerString;
+    for( i = 0; i < nCnt; i++ )
+    {
+        if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_FRACBLANK )
+        {
+            for( i--; i >= 0 && ( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_DIGIT
+                               || rInfo.nTypeArray[i] == NF_SYMBOLTYPE_THSEP ); i-- )
+            {
+                aIntegerString.insert( 0, rInfo.sStrArray[i] );
+            }
+            i = nCnt;
+        }
+    }
+    return aIntegerString.makeStringAndClear();
+}
+
+OUString lcl_GetIntegerFractionDelimiterString(const ImpSvNumberformatInfo &rInfo, sal_uInt16 nCnt)
+{
+    sal_uInt16 i;
+    for( i = 0; i < nCnt; i++ )
+    {
+        if( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_FRACBLANK )
+        {
+            return rInfo.sStrArray[i];
+        }
+    }
+    return OUString();
+}
+
+}
+
+OUString SvNumberformat::GetPercentString( sal_uInt16 nNumFor ) const
+{
+    const ImpSvNumberformatInfo& rInfo = NumFor[nNumFor].Info();
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    return lcl_GetPercentString( rInfo, nCnt );
+}
+
+OUString SvNumberformat::GetDenominatorString( sal_uInt16 nNumFor ) const
+{
+    const ImpSvNumberformatInfo& rInfo = NumFor[nNumFor].Info();
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    return lcl_GetDenominatorString( rInfo, nCnt );
+}
+
+OUString SvNumberformat::GetNumeratorString( sal_uInt16 nNumFor ) const
+{
+    const ImpSvNumberformatInfo& rInfo = NumFor[nNumFor].Info();
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    return lcl_GetNumeratorString( rInfo, nCnt );
+}
+
+OUString SvNumberformat::GetIntegerFractionDelimiterString( sal_uInt16 nNumFor ) const
+{
+    const ImpSvNumberformatInfo& rInfo = NumFor[nNumFor].Info();
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    return lcl_GetIntegerFractionDelimiterString( rInfo, nCnt );
+}
+
+bool SvNumberformat::GetOutputString(double fNumber, sal_uInt16 nCharCount, OUString& rOutString) const
+{
+    if (eType != SvNumFormatType::NUMBER)
+    {
+        return false;
+    }
+    double fTestNum = fNumber;
+    bool bSign = std::signbit(fTestNum);
+    if (bSign)
+    {
+        fTestNum = -fTestNum;
+    }
+    if (fTestNum < EXP_LOWER_BOUND)
+    {
+        lcl_GetOutputStringScientific(fNumber, nCharCount, GetFormatter(), rOutString);
+        return true;
+    }
+
+    double fExp = log10(fTestNum);
+    // Values < 1.0 always have one digit before the decimal point.
+    sal_uInt16 nDigitPre = fExp >= 0.0 ? static_cast<sal_uInt16>(ceil(fExp)) : 1;
+
+    if (nDigitPre > 15)
+    {
+        lcl_GetOutputStringScientific(fNumber, nCharCount, GetFormatter(), rOutString);
+        return true;
+    }
+
+    sal_uInt16 nPrec = nCharCount >= nDigitPre ? nCharCount - nDigitPre : 0;
+    if (nPrec && bSign)
+    {
+        // Subtract the negative sign.
+        --nPrec;
+    }
+    if (nPrec)
+    {
+        // Subtract the decimal point.
+        --nPrec;
+    }
+    ImpGetOutputStdToPrecision(fNumber, rOutString, nPrec);
+    if (rOutString.getLength() > nCharCount)
+    {
+        // String still wider than desired.  Switch to scientific notation.
+        lcl_GetOutputStringScientific(fNumber, nCharCount, GetFormatter(), rOutString);
+    }
+    return true;
+}
+
+sal_uInt16 SvNumberformat::GetSubformatIndex (double fNumber ) const
+{
+    sal_uInt16 nIx; // Index of the partial format
+    double fLimit_1 = fLimit1;
+    short nCheck = ImpCheckCondition(fNumber, fLimit_1, eOp1);
+    if (nCheck == -1 || nCheck == 1) // Only 1 String or True
+    {
+        nIx = 0;
+    }
+    else
+    {
+        double fLimit_2 = fLimit2;
+        nCheck = ImpCheckCondition(fNumber, fLimit_2, eOp2);
+        if (nCheck == -1 || nCheck == 1)
+        {
+            nIx = 1;
+        }
+        else
+        {
+            nIx = 2;
+        }
+    }
+    return nIx;
+}
+
+bool SvNumberformat::GetOutputString(double fNumber,
+                                     OUString& OutString,
+                                     const Color** ppColor)
+{
+    bool bRes = false;
+    OutString.clear();
+    *ppColor = nullptr; // No color change
+    if (eType & SvNumFormatType::LOGICAL && sFormatstring == rScan.GetKeywords()[NF_KEY_BOOLEAN])
+    {
+        if (fNumber)
+        {
+            OutString = rScan.GetTrueString();
+        }
+        else
+        {
+            OutString = rScan.GetFalseString();
+        }
+        return false;
+    }
+    OUStringBuffer sBuff(64);
+    if (eType & SvNumFormatType::TEXT)
+    {
+        ImpGetOutputStandard(fNumber, sBuff);
+        OutString = sBuff.makeStringAndClear();
+        return false;
+    }
+    bool bHadStandard = false;
+    if (bStandard) // Individual standard formats
+    {
+        if (rScan.GetStandardPrec() == SvNumberFormatter::INPUTSTRING_PRECISION) // All number format InputLine
+        {
+            ImpGetOutputInputLine(fNumber, OutString);
+            return false;
+        }
+        switch (eType)
+        {
+        case SvNumFormatType::NUMBER: // Standard number format
+            if (rScan.GetStandardPrec() == SvNumberFormatter::UNLIMITED_PRECISION)
+            {
+                if (std::signbit(fNumber))
+                {
+                    if (!(fNumber < 0.0))
+                        fNumber = -fNumber;     // do not display -0.0
+                }
+                if (fNumber == 0.0)
+                {
+                    OutString = "0";
+                }
+                else if (fNumber < 1.0 && fNumber > -1.0)
+                {
+                    // Decide whether to display as 0.000000123... or 1.23...e-07
+                    bool bFix = (fNumber < -EXP_LOWER_BOUND || EXP_LOWER_BOUND < fNumber);
+                    if (!bFix)
+                    {
+                        // Arbitrary, not too many 0s visually, start E2 at 1E-10.
+                        constexpr sal_Int32 kMaxExp = 9;
+                        const sal_Int32 nExp = static_cast<sal_Int32>(ceil( -log10( fabs( fNumber))));
+                        if (nExp <= kMaxExp && rtl::math::approxEqual(
+                                    rtl::math::round( fNumber, 16), rtl::math::round( fNumber, nExp + 16)))
+                        {
+                            // Not too many significant digits or accuracy
+                            // artefacts, otherwise leave everything to E2
+                            // format.
+                            bFix = true;
+                        }
+                    }
+                    if (bFix)
+                        OutString = ::rtl::math::doubleToUString( fNumber,
+                                rtl_math_StringFormat_F,
+                                rtl_math_DecimalPlaces_Max,
+                                GetFormatter().GetNumDecimalSep()[0], true);
+                    else
+                        OutString = ::rtl::math::doubleToUString( fNumber,
+                                rtl_math_StringFormat_E2,
+                                rtl_math_DecimalPlaces_Max,
+                                GetFormatter().GetNumDecimalSep()[0], true);
+                }
+                else
+                {
+                    OutString = ::rtl::math::doubleToUString( fNumber,
+                                rtl_math_StringFormat_Automatic,
+                                rtl_math_DecimalPlaces_Max,
+                                GetFormatter().GetNumDecimalSep()[0], true);
+                }
+                return false;
+            }
+            ImpGetOutputStandard(fNumber, sBuff);
+            bHadStandard = true;
+            break;
+        case SvNumFormatType::DATE:
+            bRes |= ImpGetDateOutput(fNumber, 0, sBuff);
+            bHadStandard = true;
+            break;
+        case SvNumFormatType::TIME:
+            bRes |= ImpGetTimeOutput(fNumber, 0, sBuff);
+            bHadStandard = true;
+            break;
+        case SvNumFormatType::DATETIME:
+            bRes |= ImpGetDateTimeOutput(fNumber, 0, sBuff);
+            bHadStandard = true;
+            break;
+        default: break;
+        }
+    }
+    if ( !bHadStandard )
+    {
+        sal_uInt16 nIx = GetSubformatIndex ( fNumber ); // Index of the partial format
+        if (fNumber < 0.0 &&
+                ((nIx == 0 && IsFirstSubformatRealNegative()) || // 1st, usually positive subformat
+                 (nIx == 1 && IsSecondSubformatRealNegative()))) // 2nd, usually negative subformat
+        {
+            fNumber = -fNumber; // eliminate sign
+        }
+        *ppColor = NumFor[nIx].GetColor();
+        const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+        const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+        if (nCnt == 0 && rInfo.eScannedType == SvNumFormatType::EMPTY)
+        {
+            return false; // Empty => nothing
+        }
+        else if (nCnt == 0) // Else Standard Format
+        {
+            ImpGetOutputStandard(fNumber, sBuff);
+            OutString = sBuff.makeStringAndClear();
+            return false;
+        }
+        switch (rInfo.eScannedType)
+        {
+        case SvNumFormatType::TEXT:
+        case SvNumFormatType::DEFINED:
+            for (sal_uInt16 i = 0; i < nCnt; i++)
+            {
+                switch (rInfo.nTypeArray[i])
+                {
+                case NF_SYMBOLTYPE_STAR:
+                    if( bStarFlag )
+                    {
+                        bRes = lcl_appendStarFillChar( sBuff, rInfo.sStrArray[i]);
+                    }
+                    break;
+                case NF_SYMBOLTYPE_BLANK:
+                    if (rInfo.sStrArray[i].getLength() >= 2)
+                        InsertBlanks(sBuff, sBuff.getLength(), rInfo.sStrArray[i][1] );
+                    break;
+                case NF_SYMBOLTYPE_STRING:
+                case NF_SYMBOLTYPE_CURRENCY:
+                    sBuff.append(rInfo.sStrArray[i]);
+                    break;
+                case NF_SYMBOLTYPE_THSEP:
+                    if (rInfo.nThousand == 0)
+                    {
+                        sBuff.append(rInfo.sStrArray[i]);
+                    }
+                    break;
+                default:
+                    break;
+                }
+            }
+            break;
+        case SvNumFormatType::DATE:
+            bRes |= ImpGetDateOutput(fNumber, nIx, sBuff);
+            break;
+        case SvNumFormatType::TIME:
+            bRes |= ImpGetTimeOutput(fNumber, nIx, sBuff);
+                break;
+        case SvNumFormatType::DATETIME:
+            bRes |= ImpGetDateTimeOutput(fNumber, nIx, sBuff);
+            break;
+        case SvNumFormatType::NUMBER:
+        case SvNumFormatType::PERCENT:
+        case SvNumFormatType::CURRENCY:
+            bRes |= ImpGetNumberOutput(fNumber, nIx, sBuff);
+            break;
+        case SvNumFormatType::LOGICAL:
+            bRes |= ImpGetLogicalOutput(fNumber, nIx, sBuff);
+            break;
+        case SvNumFormatType::FRACTION:
+            bRes |= ImpGetFractionOutput(fNumber, nIx, sBuff);
+            break;
+        case SvNumFormatType::SCIENTIFIC:
+            bRes |= ImpGetScientificOutput(fNumber, nIx, sBuff);
+            break;
+        default: break;
+        }
+    }
+    OutString = sBuff.makeStringAndClear();
+    return bRes;
+}
+
+bool SvNumberformat::ImpGetScientificOutput(double fNumber,
+                                            sal_uInt16 nIx,
+                                            OUStringBuffer& sStr)
+{
+    bool bRes = false;
+    bool bSign = false;
+
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+
+    if (fNumber < 0)
+    {
+        if (nIx == 0) // Not in the ones at the end
+        {
+            bSign = true; // Formats
+        }
+        fNumber = -fNumber;
+    }
+
+    sStr = ::rtl::math::doubleToUString( fNumber,
+                                         rtl_math_StringFormat_E,
+                                         rInfo.nCntPre + rInfo.nCntPost - 1, '.' );
+    OUStringBuffer ExpStr;
+    short nExpSign = 1;
+    sal_Int32 nExPos = sStr.indexOf('E');
+    sal_Int32 nDecPos = -1;
+
+    if ( nExPos >= 0 )
+    {
+        // split into mantissa and exponent and get rid of "E+" or "E-"
+        sal_Int32 nExpStart = nExPos + 1;
+
+        switch ( sStr[ nExpStart ] )
+        {
+        case '-' :
+            nExpSign = -1;
+            [[fallthrough]];
+        case '+' :
+            ++nExpStart;
+            break;
+        }
+        ExpStr = sStr.subView( nExpStart );    // part following the "E+"
+        sStr.truncate( nExPos );
+
+        if ( rInfo.nCntPre != 1 ) // rescale Exp
+        {
+            sal_Int32 nExp = OUString::unacquired(ExpStr).toInt32() * nExpSign;
+            sal_Int32 nRescale = (rInfo.nCntPre != 0) ? nExp % static_cast<sal_Int32>(rInfo.nCntPre) : -1;
+            if( nRescale < 0 && rInfo.nCntPre != 0 )
+                nRescale += static_cast<sal_Int32>(rInfo.nCntPre);
+            nExp -= nRescale;
+            if ( nExp < 0 )
+            {
+                nExpSign = -1;
+                nExp = -nExp;
+            }
+            else
+            {
+                nExpSign = 1;
+            }
+            ExpStr = OUString::number( nExp );
+            const sal_Unicode cFirstDigit = sStr[0];
+            // rescale mantissa
+            sStr = ::rtl::math::doubleToUString( fNumber,
+                                         rtl_math_StringFormat_E,
+                                         nRescale + rInfo.nCntPost, '.' );
+
+            // sStr now may contain a rounded-up value shifted into the next
+            // magnitude, for example 1.000E+02 (4 digits) for fNumber 99.995
+            // (9.9995E+02 rounded to 3 decimals) but we want the final result
+            // to be 100.00E+00 (5 digits), so for the following fill routines
+            // below to work correctly append a zero decimal.
+            /* TODO: this is awkward, could an engineering notation mode be
+             * introduced to rtl_math_doubleToUString()? */
+            sStr.truncate( sStr.indexOf('E') );
+            if (sStr[0] == '1' && cFirstDigit != '1')
+                sStr.append('0');
+        }
+
+        // cut any decimal delimiter
+        sal_Int32 index = 0;
+
+        while((index = sStr.indexOf('.', index)) >= 0)
+        {
+            if (nDecPos < 0)
+                nDecPos = index;
+            sStr.remove(index, 1);
+        }
+    }
+
+    sal_uInt16 j = nCnt-1;  // Last symbol
+    sal_Int32 k = ExpStr.getLength() - 1;  // Position in ExpStr
+    sal_Int32 nZeros = 0; // Erase leading zeros
+
+    // erase all leading zeros except last one
+    while (nZeros < k && ExpStr[nZeros] == '0')
+    {
+        ++nZeros;
+    }
+    if (nZeros)
+    {
+        ExpStr.remove( 0, nZeros);
+    }
+
+    // restore leading zeros or blanks according to format '0' or '?' tdf#156449
+    bRes |= ImpNumberFill(ExpStr, fNumber, k, j, nIx, NF_SYMBOLTYPE_EXP);
+
+    bool bCont = true;
+
+    if (rInfo.nTypeArray[j] == NF_SYMBOLTYPE_EXP)
+    {
+        const OUString& rStr = rInfo.sStrArray[j];
+        if (nExpSign == -1)
+        {
+            ExpStr.insert(0, '-');
+        }
+        else if (rStr.getLength() > 1 && rStr[1] == '+')
+        {
+            ExpStr.insert(0, '+');
+        }
+        ExpStr.insert(0, rStr[0]);
+        if ( j )
+        {
+            j--;
+        }
+        else
+        {
+            bCont = false;
+        }
+    }
+    // Continue main number:
+    if ( !bCont )
+    {
+        sStr.truncate();
+    }
+    else
+    {
+        bRes |= ImpDecimalFill(sStr, fNumber, nDecPos, j, nIx, false);
+    }
+
+    if (bSign)
+    {
+        sStr.insert(0, '-');
+    }
+    sStr.append(ExpStr);
+
+    return bRes;
+}
+
+double SvNumberformat::GetRoundFractionValue ( double fNumber ) const
+{
+    sal_uInt16 nIx = GetSubformatIndex ( fNumber );
+    double fIntPart = 0.0;           // integer part of fraction
+    sal_Int64 nFrac = 0, nDiv = 1;  // numerator and denominator
+    double fSign = (fNumber < 0.0) ? -1.0 : 1.0;
+    // fNumber is modified in ImpGetFractionElements to absolute fractional part
+    ImpGetFractionElements ( fNumber, nIx, fIntPart, nFrac, nDiv );
+    if ( nDiv > 0 )
+        return fSign * ( fIntPart + static_cast<double>(nFrac) / static_cast<double>(nDiv) );
+    else
+        return fSign * fIntPart;
+}
+
+void SvNumberformat::ImpGetFractionElements ( double& fNumber, sal_uInt16 nIx,
+                                              double& fIntPart, sal_Int64& nFrac, sal_Int64& nDiv ) const
+{
+    if ( fNumber < 0.0 )
+        fNumber = -fNumber;
+    fIntPart = floor(fNumber); // Integral part
+    fNumber -= fIntPart;         // Fractional part
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    sal_Int64 nForcedDiv = lcl_GetDenominatorString( rInfo, NumFor[nIx].GetCount() ).toInt32();
+    if( nForcedDiv > 0 )
+    {   // Forced Denominator
+        nDiv = nForcedDiv;
+        nFrac = static_cast<sal_Int64>(floor ( fNumber * nDiv ));
+        double fFracNew = static_cast<double>(nFrac) / static_cast<double>(nDiv);
+        double fFracNew1 = static_cast<double>(nFrac + 1) / static_cast<double>(nDiv);
+        double fDiff = fNumber - fFracNew;
+        if( fDiff > ( fFracNew1 - fNumber ) )
+        {
+            nFrac++;
+        }
+    }
+    else // Calculated Denominator
+    {
+        nDiv = 1;
+        sal_Int64 nBasis = static_cast<sal_Int64>(floor( pow(10.0,rInfo.nCntExp))) - 1; // 9, 99, 999 ,...
+        sal_Int64 nFracPrev = 1, nDivPrev = 0, nFracNext, nDivNext, nPartialDenom;
+        double fRemainder = fNumber;
+
+        // Use continued fraction representation of fNumber
+        // See https://en.wikipedia.org/wiki/Continued_fraction#Best_rational_approximations
+        while ( fRemainder > 0.0 )
+        {
+            double fTemp = 1.0 / fRemainder;             // 64bits precision required when fRemainder is very weak
+            nPartialDenom = static_cast<sal_Int64>(floor(fTemp));   // due to floating point notation with double precision
+            fRemainder = fTemp - static_cast<double>(nPartialDenom);
+            nDivNext = nPartialDenom * nDiv + nDivPrev;
+            if ( nDivNext <= nBasis )  // continue loop
+            {
+                nFracNext = nPartialDenom * nFrac + nFracPrev;
+                nFracPrev = nFrac;
+                nFrac = nFracNext;
+                nDivPrev = nDiv;
+                nDiv = nDivNext;
+            }
+            else // calculate collateral fraction and exit
+            {
+                sal_Int64 nCollat = (nBasis - nDivPrev) / nDiv;
+                if ( 2 * nCollat >= nPartialDenom )
+                {
+                    sal_Int64 nFracTest = nCollat * nFrac + nFracPrev;
+                    sal_Int64 nDivTest  = nCollat * nDiv  + nDivPrev;
+                    double fSign = (static_cast<double>(nFrac) > fNumber * static_cast<double>(nDiv))?1.0:-1.0;
+                    if ( fSign * ( double(nFrac * nDivTest + nDiv * nFracTest) - 2.0 * double(nDiv * nDivTest) * fNumber ) > 0.0 )
+                    {
+                        nFrac = nFracTest;
+                        nDiv  = nDivTest;
+                    }
+                }
+                fRemainder = 0.0; // exit while loop
+            }
+        }
+    }
+    if (nFrac >= nDiv)
+    {
+        ++fIntPart;
+        nFrac = 0;
+        nDiv = ( nForcedDiv > 0 ) ? nForcedDiv : 1;
+    }
+}
+
+bool SvNumberformat::ImpGetFractionOutput(double fNumber,
+                                          sal_uInt16 nIx,
+                                          OUStringBuffer& sBuff)
+{
+    bool bRes = false;
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+    OUStringBuffer sStr, sFrac, sDiv; // Strings, value for Integral part Numerator and denominator
+    bool bSign = ( (fNumber < 0) && (nIx == 0) ); // sign Not in the ones at the end
+    const OUString sIntegerFormat = lcl_GetFractionIntegerString(rInfo, nCnt);
+    const OUString sNumeratorFormat = lcl_GetNumeratorString(rInfo, nCnt);
+    const OUString sDenominatorFormat = lcl_GetDenominatorString(rInfo, nCnt);
+
+    sal_Int64 nFrac = 0, nDiv = 1;
+    double fNum = floor(fNumber); // Integral part
+
+    if (fNum > D_MAX_U_INT32 || rInfo.nCntExp > 9) // Too large
+    {
+        sBuff = ImpSvNumberformatScan::sErrStr;
+        return false;
+    }
+    if (rInfo.nCntExp == 0)
+    {
+        SAL_WARN( "svl.numbers", "SvNumberformat:: Fraction, nCntExp == 0");
+        sBuff.truncate();
+        return false;
+    }
+
+    ImpGetFractionElements( fNumber, nIx, fNum, nFrac, nDiv);
+
+    if (rInfo.nCntPre == 0) // Improper fraction
+    {
+        double fNum1 = fNum * static_cast<double>(nDiv) + static_cast<double>(nFrac);
+
+        if (fNum1 > D_MAX_INTEGER)
+        {
+            sBuff = ImpSvNumberformatScan::sErrStr;
+            return false;
+        }
+        nFrac = static_cast<sal_Int64>(floor(fNum1));
+    }
+    else if (fNum == 0.0 && nFrac != 0)
+    {
+    }
+    else
+    {
+        char aBuf[100];
+        o3tl::sprintf( aBuf, "%.f", fNum ); // simple rounded integer
+        sStr.appendAscii( aBuf );
+        impTransliterate(sStr, NumFor[nIx].GetNatNum());
+    }
+    bool bHideFraction = (rInfo.nCntPre > 0 && nFrac == 0
+                        && (sNumeratorFormat.indexOf('0') < 0)
+                        && (sDenominatorFormat.indexOf('0') < 0
+                        || sDenominatorFormat.toInt32() > 0) );
+    if ( bHideFraction )
+    {
+        sDiv.truncate();
+    }
+    else  // if there are some '0' in format, force display of fraction
+    {
+        sFrac = ImpIntToString( nIx, nFrac );
+        sDiv = ImpIntToString( nIx, nDiv );
+    }
+
+    sal_uInt16 j = nCnt-1; // Last symbol -> backwards
+    sal_Int32 k;           // Denominator
+
+    bRes |= ImpNumberFill(sDiv, fNumber, k, j, nIx, NF_SYMBOLTYPE_FRAC, true);
+
+    bool bCont = true;
+    if (rInfo.nTypeArray[j] == NF_SYMBOLTYPE_FRAC)
+    {
+        if ( bHideFraction )
+        {   // do not insert blank for fraction if there is no '?'
+            if ( sNumeratorFormat.indexOf('?') >= 0
+              || sDenominatorFormat.indexOf('?') >= 0 )
+                sDiv.insert(0, ' ');
+        }
+        else
+        {
+            sDiv.insert(0, rInfo.sStrArray[j][0]);
+        }
+        if ( j )
+        {
+            j--;
+        }
+        else
+        {
+            bCont = false;
+        }
+    }
+    // Further numerators:
+    if ( !bCont )
+    {
+        sFrac.truncate();
+    }
+    else
+    {
+        bRes |= ImpNumberFill(sFrac, fNumber, k, j, nIx, NF_SYMBOLTYPE_FRACBLANK);
+        bCont = false;  // there is no integer part?
+        if (rInfo.nTypeArray[j] == NF_SYMBOLTYPE_FRACBLANK)
+        {
+            if ( j )
+            {
+                if ( bHideFraction )
+                {   // '?' in any format force display of blank as delimiter
+                    if ( sIntegerFormat.indexOf('?') >= 0
+                      || sNumeratorFormat.indexOf('?') >= 0
+                      || sDenominatorFormat.indexOf('?') >= 0 )
+                    {
+                        for (sal_Int32 i = 0; i < rInfo.sStrArray[j].getLength(); i++)
+                            sFrac.insert(0, ' ');
+                    }
+                }
+                else
+                {
+                    if ( fNum != 0.0 || sIntegerFormat.indexOf('0') >= 0 )
+                        sFrac.insert(0, rInfo.sStrArray[j]); // insert Blank string only if there are both integer and fraction
+                    else
+                    {
+                        if ( sIntegerFormat.indexOf('?') >= 0
+                          || sNumeratorFormat.indexOf('?') >= 0 )
+                        {
+                            for (sal_Int32 i = 0; i < rInfo.sStrArray[j].getLength(); i++)
+                                sFrac.insert(0, ' ');
+                        }
+                    }
+                }
+                j--;
+                bCont = true;  // Yes, there is an integer
+            }
+            else
+                sFrac.insert(0, rInfo.sStrArray[j]);
+        }
+    }
+    // Continue integer part
+    if ( !bCont )
+    {
+        sStr.truncate();
+    }
+    else
+    {
+        k = sStr.getLength(); // After last figure
+        bRes |= ImpNumberFillWithThousands(sStr, fNumber, k, j, nIx,
+                                           rInfo.nCntPre);
+    }
+    if (bSign && (nFrac != 0 || fNum != 0.0))
+    {
+        sBuff.insert(0, '-'); // Not -0
+    }
+    sBuff.append(sStr);
+    sBuff.append(sFrac);
+    sBuff.append(sDiv);
+    return bRes;
+}
+
+sal_uInt16 SvNumberformat::ImpGetFractionOfSecondString( OUStringBuffer& rBuf, double fFractionOfSecond,
+        int nFractionDecimals, bool bAddOneRoundingDecimal, sal_uInt16 nIx, sal_uInt16 nMinimumInputLineDecimals )
+{
+    if (!nFractionDecimals)
+        return 0;
+
+    // nFractionDecimals+1 to not round up what Time::GetClock() carefully
+    // truncated.
+    rBuf.append( rtl::math::doubleToUString( fFractionOfSecond, rtl_math_StringFormat_F,
+                (bAddOneRoundingDecimal ? nFractionDecimals + 1 : nFractionDecimals), '.'));
+    rBuf.stripStart('0');
+    rBuf.stripStart('.');
+    if (bAddOneRoundingDecimal && rBuf.getLength() > nFractionDecimals)
+        rBuf.truncate( nFractionDecimals); // the digit appended because of nFractionDecimals+1
+    if (nMinimumInputLineDecimals)
+    {
+        rBuf.stripEnd('0');
+        for (sal_Int32 index = rBuf.getLength(); index < nMinimumInputLineDecimals; ++index)
+        {
+            rBuf.append('0');
+        }
+        impTransliterate(rBuf, NumFor[nIx].GetNatNum());
+        nFractionDecimals = rBuf.getLength();
+    }
+    else
+    {
+        impTransliterate(rBuf, NumFor[nIx].GetNatNum());
+    }
+    return static_cast<sal_uInt16>(nFractionDecimals);
+}
+
+bool SvNumberformat::ImpGetTimeOutput(double fNumber,
+                                      sal_uInt16 nIx,
+                                      OUStringBuffer& sBuff)
+{
+    using namespace ::com::sun::star::i18n;
+    bool bCalendarSet = false;
+    const double fNumberOrig = fNumber;
+    bool bRes = false;
+    bool bSign = false;
+    if (fNumber < 0.0)
+    {
+        fNumber = -fNumber;
+        if (nIx == 0)
+        {
+            bSign = true;
+        }
+    }
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    bool bInputLine;
+    sal_Int32 nCntPost;
+    if ( rScan.GetStandardPrec() == SvNumberFormatter::INPUTSTRING_PRECISION &&
+         0 < rInfo.nCntPost && rInfo.nCntPost < kTimeSignificantRound )
+    {
+        bInputLine = true;
+        nCntPost = kTimeSignificantRound;
+    }
+    else
+    {
+        bInputLine = false;
+        nCntPost = rInfo.nCntPost;
+    }
+
+    OUStringBuffer sSecStr;
+    sal_Int32 nSecPos = 0; // For figure by figure processing
+    sal_uInt32 nHour, nMin, nSec;
+    if (!rInfo.bThousand) // No [] format
+    {
+        sal_uInt16 nCHour, nCMinute, nCSecond;
+        double fFractionOfSecond;
+        tools::Time::GetClock( fNumberOrig, nCHour, nCMinute, nCSecond, fFractionOfSecond, nCntPost);
+        nHour = nCHour;
+        nMin = nCMinute;
+        nSec = nCSecond;
+        nCntPost = ImpGetFractionOfSecondString( sSecStr, fFractionOfSecond, nCntPost, true, nIx,
+                (bInputLine ? rInfo.nCntPost : 0));
+    }
+    else
+    {
+        const double fTime = rtl::math::round( fNumber * 86400.0, int(nCntPost));
+        if (bSign && fTime == 0.0)
+        {
+            bSign = false; // Not -00:00:00
+        }
+        if (fTime > D_MAX_U_INT32)
+        {
+            sBuff = ImpSvNumberformatScan::sErrStr;
+            return false;
+        }
+        sal_uInt32 nSeconds = static_cast<sal_uInt32>(fTime);
+
+        nCntPost = ImpGetFractionOfSecondString( sSecStr, fTime - nSeconds, nCntPost, false, nIx,
+                (bInputLine ? rInfo.nCntPost : 0));
+
+        if (rInfo.nThousand == 3) // [ss]
+        {
+            nHour = 0;
+            nMin = 0;
+            nSec = nSeconds;
+        }
+        else if (rInfo.nThousand == 2) // [mm]:ss
+        {
+            nHour = 0;
+            nMin = nSeconds / 60;
+            nSec = nSeconds % 60;
+        }
+        else if (rInfo.nThousand == 1) // [hh]:mm:ss
+        {
+            nHour = nSeconds / 3600;
+            nMin = (nSeconds%3600) / 60;
+            nSec = nSeconds%60;
+        }
+        else
+        {
+            // TODO  What should these be set to?
+            nHour = 0;
+            nMin  = 0;
+            nSec  = 0;
+        }
+    }
+
+    sal_Unicode cAmPm = ' '; // a or p
+    if (rInfo.nCntExp) // AM/PM
+    {
+        if (nHour == 0)
+        {
+            nHour = 12;
+            cAmPm = 'a';
+        }
+        else if (nHour < 12)
+        {
+            cAmPm = 'a';
+        }
+        else
+        {
+            cAmPm = 'p';
+            if (nHour > 12)
+            {
+                nHour -= 12;
+            }
+        }
+    }
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+    for (sal_uInt16 i = 0; i < nCnt; i++)
+    {
+        sal_Int32 nLen;
+        switch (rInfo.nTypeArray[i])
+        {
+        case NF_SYMBOLTYPE_STAR:
+            if( bStarFlag )
+            {
+                bRes = lcl_appendStarFillChar( sBuff, rInfo.sStrArray[i]);
+            }
+            break;
+        case NF_SYMBOLTYPE_BLANK:
+            if (rInfo.sStrArray[i].getLength() >= 2)
+                InsertBlanks(sBuff, sBuff.getLength(), rInfo.sStrArray[i][1] );
+            break;
+        case NF_SYMBOLTYPE_STRING:
+        case NF_SYMBOLTYPE_CURRENCY:
+        case NF_SYMBOLTYPE_DATESEP:
+        case NF_SYMBOLTYPE_TIMESEP:
+        case NF_SYMBOLTYPE_TIME100SECSEP:
+            sBuff.append(rInfo.sStrArray[i]);
+            break;
+        case NF_SYMBOLTYPE_DIGIT:
+            nLen = ( bInputLine && i > 0 &&
+                     (rInfo.nTypeArray[i-1] == NF_SYMBOLTYPE_STRING ||
+                      rInfo.nTypeArray[i-1] == NF_SYMBOLTYPE_TIME100SECSEP) ?
+                     nCntPost : rInfo.sStrArray[i].getLength() );
+            for (sal_Int32 j = 0; j < nLen && nSecPos < nCntPost && nSecPos < sSecStr.getLength(); ++j)
+            {
+                sBuff.append(sSecStr[nSecPos]);
+                nSecPos++;
+            }
+            break;
+        case NF_KEY_AMPM:               // AM/PM
+            if ( !bCalendarSet )
+            {
+                double fDiff = DateTime::Sub( DateTime(rScan.GetNullDate()), GetCal().getEpochStart());
+                fDiff += fNumberOrig;
+                GetCal().setLocalDateTime( fDiff );
+                bCalendarSet = true;
+            }
+            if (cAmPm == 'a')
+            {
+                sBuff.append(GetCal().getDisplayName(
+                                 CalendarDisplayIndex::AM_PM, AmPmValue::AM, 0 ));
+            }
+            else
+            {
+                sBuff.append(GetCal().getDisplayName(
+                                 CalendarDisplayIndex::AM_PM, AmPmValue::PM, 0 ));
+            }
+            break;
+        case NF_KEY_AP:                 // A/P
+            if (cAmPm == 'a')
+            {
+                sBuff.append('a');
+            }
+            else
+            {
+                sBuff.append('p');
+            }
+            break;
+        case NF_KEY_MI:                 // M
+            sBuff.append(ImpIntToString( nIx, nMin ));
+            break;
+        case NF_KEY_MMI:                // MM
+            sBuff.append(ImpIntToString( nIx, nMin, 2 ));
+            break;
+        case NF_KEY_H:                  // H
+            sBuff.append(ImpIntToString( nIx, nHour ));
+            break;
+        case NF_KEY_HH:                 // HH
+            sBuff.append(ImpIntToString( nIx, nHour, 2 ));
+            break;
+        case NF_KEY_S:                  // S
+            sBuff.append(ImpIntToString( nIx, nSec ));
+            break;
+        case NF_KEY_SS:                 // SS
+            sBuff.append(ImpIntToString( nIx, nSec, 2 ));
+            break;
+        default:
+            break;
+        }
+    }
+    if (bSign && rInfo.bThousand)
+    {
+        sBuff.insert(0, '-');
+    }
+    return bRes;
+}
+
+
+/** If a day of month occurs within the format, the month name is in possessive
+    genitive case if the day follows the month, and partitive case if the day
+    precedes the month. If there is no day of month the nominative case (noun)
+    is returned. Also if the month is immediately preceded or followed by a
+    literal string other than space and not followed by a comma, the nominative
+    name is used, this prevents duplicated casing for MMMM\t\a and such in
+    documents imported from (e.g. Finnish) Excel or older LibO/OOo releases.
+ */
+
+// IDEA: instead of eCodeType pass the index to nTypeArray and restrict
+// inspection of month name around that one, that would enable different month
+// cases in one format. Though probably the most rare use case ever...
+
+sal_Int32 SvNumberformat::ImpUseMonthCase( int & io_nState, const ImpSvNumFor& rNumFor, NfKeywordIndex eCodeType )
+{
+    using namespace ::com::sun::star::i18n;
+    if (!io_nState)
+    {
+        bool bMonthSeen = false;
+        bool bDaySeen = false;
+        const ImpSvNumberformatInfo& rInfo = rNumFor.Info();
+        const sal_uInt16 nCount = rNumFor.GetCount();
+        for (sal_uInt16 i = 0; i < nCount && io_nState == 0; ++i)
+        {
+            sal_Int32 nLen;
+            switch (rInfo.nTypeArray[i])
+            {
+            case NF_KEY_D :
+            case NF_KEY_DD :
+                if (bMonthSeen)
+                {
+                    io_nState = 2;
+                }
+                else
+                {
+                    bDaySeen = true;
+                }
+                break;
+            case NF_KEY_MMM:
+            case NF_KEY_MMMM:
+            case NF_KEY_MMMMM:
+                if ((i < nCount-1 &&
+                     rInfo.nTypeArray[i+1] == NF_SYMBOLTYPE_STRING &&
+                     // Literal following, not empty, space nor comma.
+                     !rInfo.sStrArray[i+1].isEmpty() &&
+                     rInfo.sStrArray[i+1][0] != ' ' && rInfo.sStrArray[i+1][0] != ',') ||
+                    (i > 0 && rInfo.nTypeArray[i-1] == NF_SYMBOLTYPE_STRING &&
+                     ((nLen = rInfo.sStrArray[i-1].getLength()) > 0) &&
+                     // Literal preceding, not space.
+                     rInfo.sStrArray[i-1][nLen-1] != ' '))
+                {
+                    io_nState = 1;
+                }
+                else if (bDaySeen)
+                {
+                    io_nState = 3;
+                }
+                else
+                {
+                    bMonthSeen = true;
+                }
+                break;
+            }
+        }
+        if (io_nState == 0)
+        {
+            io_nState = 1; // No day of month
+        }
+    }
+    switch (io_nState)
+    {
+    case 1:
+        // No day of month or forced nominative
+        switch (eCodeType)
+        {
+        case NF_KEY_MMM:
+            return CalendarDisplayCode::SHORT_MONTH_NAME;
+        case NF_KEY_MMMM:
+            return CalendarDisplayCode::LONG_MONTH_NAME;
+        case NF_KEY_MMMMM:
+            return CalendarDisplayCode::NARROW_MONTH_NAME;
+        default:
+            ;   // nothing
+        }
+        break;
+    case 2:
+        // Day of month follows month (the month's 17th)
+        switch (eCodeType)
+        {
+        case NF_KEY_MMM:
+            return CalendarDisplayCode::SHORT_GENITIVE_MONTH_NAME;
+        case NF_KEY_MMMM:
+            return CalendarDisplayCode::LONG_GENITIVE_MONTH_NAME;
+        case NF_KEY_MMMMM:
+            return CalendarDisplayCode::NARROW_GENITIVE_MONTH_NAME;
+        default:
+            ;   // Nothing
+        }
+        break;
+    case 3:
+        // Day of month precedes month (17 of month)
+        switch (eCodeType)
+        {
+        case NF_KEY_MMM:
+            return CalendarDisplayCode::SHORT_PARTITIVE_MONTH_NAME;
+        case NF_KEY_MMMM:
+            return CalendarDisplayCode::LONG_PARTITIVE_MONTH_NAME;
+        case NF_KEY_MMMMM:
+            return CalendarDisplayCode::NARROW_PARTITIVE_MONTH_NAME;
+        default:
+            ;   // nothing
+        }
+        break;
+    }
+    SAL_WARN( "svl.numbers", "ImpUseMonthCase: unhandled keyword index eCodeType");
+    return CalendarDisplayCode::LONG_MONTH_NAME;
+}
+
+
+bool SvNumberformat::ImpIsOtherCalendar( const ImpSvNumFor& rNumFor ) const
+{
+    if ( GetCal().getUniqueID() != GREGORIAN )
+    {
+        return false;
+    }
+    const ImpSvNumberformatInfo& rInfo = rNumFor.Info();
+    const sal_uInt16 nCnt = rNumFor.GetCount();
+    sal_uInt16 i;
+    for ( i = 0; i < nCnt; i++ )
+    {
+        switch ( rInfo.nTypeArray[i] )
+        {
+        case NF_SYMBOLTYPE_CALENDAR :
+            return false;
+        case NF_KEY_EC :
+        case NF_KEY_EEC :
+        case NF_KEY_R :
+        case NF_KEY_RR :
+        case NF_KEY_AAA :
+        case NF_KEY_AAAA :
+        case NF_KEY_G :
+        case NF_KEY_GG :
+        case NF_KEY_GGG :
+            return true;
+        }
+    }
+    return false;
+}
+
+void SvNumberformat::SwitchToOtherCalendar( OUString& rOrgCalendar,
+                                            double& fOrgDateTime ) const
+{
+    CalendarWrapper& rCal = GetCal();
+    if ( rCal.getUniqueID() != GREGORIAN )
+        return;
+
+    using namespace ::com::sun::star::i18n;
+    const css::uno::Sequence< OUString > xCals = rCal.getAllCalendars(
+            rLoc().getLanguageTag().getLocale() );
+    sal_Int32 nCnt = xCals.getLength();
+    if ( nCnt <= 1 )
+        return;
+
+    auto pCal = std::find_if(xCals.begin(), xCals.end(),
+        [](const OUString& rCalName) { return rCalName != GREGORIAN; });
+    if (pCal == xCals.end())
+        return;
+
+    if ( !rOrgCalendar.getLength() )
+    {
+        rOrgCalendar = rCal.getUniqueID();
+        fOrgDateTime = rCal.getDateTime();
+    }
+    rCal.loadCalendar( *pCal, rLoc().getLanguageTag().getLocale() );
+    rCal.setDateTime( fOrgDateTime );
+}
+
+void SvNumberformat::SwitchToGregorianCalendar( std::u16string_view rOrgCalendar,
+                                                double fOrgDateTime ) const
+{
+    CalendarWrapper& rCal = GetCal();
+    if ( rOrgCalendar.size() && rCal.getUniqueID() != GREGORIAN )
+    {
+        rCal.loadCalendar( GREGORIAN, rLoc().getLanguageTag().getLocale() );
+        rCal.setDateTime( fOrgDateTime );
+    }
+}
+
+bool SvNumberformat::ImpFallBackToGregorianCalendar( OUString& rOrgCalendar, double& fOrgDateTime )
+{
+    using namespace ::com::sun::star::i18n;
+    CalendarWrapper& rCal = GetCal();
+    if ( rCal.getUniqueID() != GREGORIAN )
+    {
+        sal_Int16 nVal = rCal.getValue( CalendarFieldIndex::ERA );
+        if ( nVal == 0 && rCal.getLoadedCalendar().Eras[0].ID == "Dummy" )
+        {
+            if ( !rOrgCalendar.getLength() )
+            {
+                rOrgCalendar = rCal.getUniqueID();
+                fOrgDateTime = rCal.getDateTime();
+            }
+            else if ( rOrgCalendar == GREGORIAN )
+            {
+                rOrgCalendar.clear();
+            }
+            rCal.loadCalendar( GREGORIAN, rLoc().getLanguageTag().getLocale() );
+            rCal.setDateTime( fOrgDateTime );
+            return true;
+        }
+    }
+    return false;
+}
+
+
+#ifdef THE_FUTURE
+/* XXX NOTE: even if the ImpSwitchToSpecifiedCalendar method is currently
+ * unused please don't remove it, it would be needed by
+ * SwitchToSpecifiedCalendar(), see comment in
+ * ImpSvNumberInputScan::GetDateRef() */
+
+bool SvNumberformat::ImpSwitchToSpecifiedCalendar( OUString& rOrgCalendar,
+                                                   double& fOrgDateTime,
+                                                   const ImpSvNumFor& rNumFor ) const
+{
+    const ImpSvNumberformatInfo& rInfo = rNumFor.Info();
+    const sal_uInt16 nCnt = rNumFor.GetCount();
+    for ( sal_uInt16 i = 0; i < nCnt; i++ )
+    {
+        if ( rInfo.nTypeArray[i] == NF_SYMBOLTYPE_CALENDAR )
+        {
+            CalendarWrapper& rCal = GetCal();
+            if ( !rOrgCalendar.getLength() )
+            {
+                rOrgCalendar = rCal.getUniqueID();
+                fOrgDateTime = rCal.getDateTime();
+            }
+            rCal.loadCalendar( rInfo.sStrArray[i], rLoc().getLocale() );
+            rCal.setDateTime( fOrgDateTime );
+            return true;
+        }
+    }
+    return false;
+}
+#endif
+
+// static
+void SvNumberformat::ImpAppendEraG( OUStringBuffer& OutString,
+                                    const CalendarWrapper& rCal,
+                                    sal_Int16 nNatNum )
+{
+    using namespace ::com::sun::star::i18n;
+    if ( rCal.getUniqueID() == "gengou" )
+    {
+        sal_Unicode cEra;
+        sal_Int16 nVal = rCal.getValue( CalendarFieldIndex::ERA );
+        switch ( nVal )
+        {
+        case 1:
+            cEra = 'M';
+            break;
+        case 2:
+            cEra = 'T';
+            break;
+        case 3:
+            cEra = 'S';
+            break;
+        case 4:
+            cEra = 'H';
+            break;
+        case 5:
+            cEra = 'R';
+            break;
+        default:
+            cEra = '?';
+            break;
+        }
+        OutString.append(cEra);
+    }
+    else
+    {
+        OutString.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_ERA, nNatNum ));
+    }
+}
+
+bool SvNumberformat::ImpIsIso8601( const ImpSvNumFor& rNumFor ) const
+{
+    bool bIsIso = false;
+    if (eType & SvNumFormatType::DATE)
+    {
+        enum State
+        {
+            eNone,
+            eAtYear,
+            eAtSep1,
+            eAtMonth,
+            eAtSep2,
+            eNotIso
+        };
+        State eState = eNone;
+        auto & rTypeArray = rNumFor.Info().nTypeArray;
+        sal_uInt16 nCnt = rNumFor.GetCount();
+        for (sal_uInt16 i=0; i < nCnt && !bIsIso && eState != eNotIso; ++i)
+        {
+            switch ( rTypeArray[i] )
+            {
+            case NF_KEY_YY:     // two digits not strictly ISO 8601
+            case NF_KEY_YYYY:
+                if (eState != eNone)
+                {
+                    eState = eNotIso;
+                }
+                else
+                {
+                    eState = eAtYear;
+                }
+                break;
+            case NF_KEY_M:      // single digit not strictly ISO 8601
+            case NF_KEY_MM:
+                if (eState != eAtSep1)
+                {
+                    eState = eNotIso;
+                }
+                else
+                {
+                    eState = eAtMonth;
+                }
+                break;
+            case NF_KEY_D:      // single digit not strictly ISO 8601
+            case NF_KEY_DD:
+                if (eState != eAtSep2)
+                {
+                    eState = eNotIso;
+                }
+                else
+                {
+                    bIsIso = true;
+                }
+                break;
+            case NF_SYMBOLTYPE_STRING:
+            case NF_SYMBOLTYPE_DATESEP:
+                if (rNumFor.Info().sStrArray[i] == "-")
+                {
+                    if (eState == eAtYear)
+                    {
+                        eState = eAtSep1;
+                    }
+                    else if (eState == eAtMonth)
+                    {
+                        eState = eAtSep2;
+                    }
+                    else
+                    {
+                        eState = eNotIso;
+                    }
+                }
+                else
+                {
+                    eState = eNotIso;
+                }
+                break;
+            default:
+                eState = eNotIso;
+            }
+        }
+    }
+    else
+    {
+       SAL_WARN( "svl.numbers", "SvNumberformat::ImpIsIso8601: no date" );
+    }
+    return bIsIso;
+}
+
+static bool lcl_hasEra( const ImpSvNumFor& rNumFor )
+{
+    const ImpSvNumberformatInfo& rInfo = rNumFor.Info();
+    const sal_uInt16 nCnt = rNumFor.GetCount();
+    for ( sal_uInt16 i = 0; i < nCnt; i++ )
+    {
+        switch ( rInfo.nTypeArray[i] )
+        {
+            case NF_KEY_RR :
+            case NF_KEY_G :
+            case NF_KEY_GG :
+            case NF_KEY_GGG :
+                return true;
+        }
+    }
+    return false;
+}
+
+static bool lcl_isSignedYear( const CalendarWrapper& rCal, const ImpSvNumFor& rNumFor )
+{
+    return rCal.getValue( css::i18n::CalendarFieldIndex::ERA ) == 0 &&
+        rCal.getUniqueID() == GREGORIAN && !lcl_hasEra( rNumFor );
+}
+
+/* XXX: if needed this could be stripped from rEpochStart and diff adding and
+ * moved to tools' DateTime to be reused elsewhere. */
+static bool lcl_getValidDate( const DateTime& rNullDate, const DateTime& rEpochStart, double& fNumber )
+{
+    static const DateTime aCE( Date(1,1,1));
+    static const DateTime aMin( Date(1,1, SAL_MIN_INT16));
+    static const DateTime aMax( Date(31,12, SAL_MAX_INT16), tools::Time(23,59,59, tools::Time::nanoSecPerSec - 1));
+    static const double fMin = DateTime::Sub( aMin, aCE);
+    static const double fMax = DateTime::Sub( aMax, aCE);
+    // Value must be representable in our tools::Date proleptic Gregorian
+    // calendar as well.
+    const double fOff = DateTime::Sub( rNullDate, aCE) + fNumber;
+    // Add diff between epochs to serial date number.
+    const double fDiff = DateTime::Sub( rNullDate, rEpochStart);
+    fNumber += fDiff;
+    return fMin <= fOff && fOff <= fMax;
+}
+
+bool SvNumberformat::ImpGetDateOutput(double fNumber,
+                                      sal_uInt16 nIx,
+                                      OUStringBuffer& sBuff)
+{
+    using namespace ::com::sun::star::i18n;
+    bool bRes = false;
+
+    CalendarWrapper& rCal = GetCal();
+    if (!lcl_getValidDate( rScan.GetNullDate(), rCal.getEpochStart(), fNumber))
+    {
+        sBuff = ImpSvNumberformatScan::sErrStr;
+        return false;
+    }
+    rCal.setLocalDateTime( fNumber );
+    int nUseMonthCase = 0; // Not decided yet
+    OUString aOrgCalendar; // empty => not changed yet
+
+    double fOrgDateTime(0.0);
+    bool bOtherCalendar = ImpIsOtherCalendar( NumFor[nIx] );
+    if ( bOtherCalendar )
+    {
+        SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+    }
+    if ( ImpFallBackToGregorianCalendar( aOrgCalendar, fOrgDateTime ) )
+    {
+        bOtherCalendar = false;
+    }
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+    sal_Int16 nNatNum = NumFor[nIx].GetNatNum().GetNatNum();
+    OUString aStr;
+
+    // NatNum12: if the date format contains more than a date
+    // field, it needs to specify in NatNum12 argument
+    // which date element needs special formatting:
+    //
+    // '[NatNum12 ordinal-number]D'              -> "1st"
+    // '[NatNum12 D=ordinal-number]D" of "MMMM'  -> "1st of April"
+    // '[NatNum12 D=ordinal]D" of "MMMM'         -> "first of April"
+    // '[NatNum12 YYYY=year,D=ordinal]D" of "MMMM", "YYYY' -> "first of April, nineteen ninety"
+    //
+    // Note: set only for YYYY, MMMM, M, DDDD, D and NNN/AAAA in date formats.
+    // Additionally for MMMMM, MMM, DDD and NN/AA to support at least
+    // capitalize, upper, lower, title.
+    // XXX It's possible to extend this for other keywords and date + time
+    // combinations, as required.
+
+    bool bUseSpellout = NatNumTakesParameters(nNatNum) &&
+            (nCnt == 1 || NumFor[nIx].GetNatNum().GetParams().indexOf('=') > -1);
+
+    for (sal_uInt16 i = 0; i < nCnt; i++)
+    {
+        switch (rInfo.nTypeArray[i])
+        {
+        case NF_SYMBOLTYPE_CALENDAR :
+            if ( !aOrgCalendar.getLength() )
+            {
+                aOrgCalendar = rCal.getUniqueID();
+                fOrgDateTime = rCal.getDateTime();
+            }
+            rCal.loadCalendar( rInfo.sStrArray[i], rLoc().getLanguageTag().getLocale() );
+            rCal.setDateTime( fOrgDateTime );
+            ImpFallBackToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            break;
+        case NF_SYMBOLTYPE_STAR:
+            if( bStarFlag )
+            {
+                bRes = lcl_appendStarFillChar( sBuff, rInfo.sStrArray[i]);
+            }
+            break;
+        case NF_SYMBOLTYPE_BLANK:
+            if (rInfo.sStrArray[i].getLength() >= 2)
+                InsertBlanks( sBuff, sBuff.getLength(), rInfo.sStrArray[i][1] );
+            break;
+        case NF_SYMBOLTYPE_STRING:
+        case NF_SYMBOLTYPE_CURRENCY:
+        case NF_SYMBOLTYPE_DATESEP:
+        case NF_SYMBOLTYPE_TIMESEP:
+        case NF_SYMBOLTYPE_TIME100SECSEP:
+            sBuff.append(rInfo.sStrArray[i]);
+            break;
+        case NF_KEY_M:                  // M
+            aStr = rCal.getDisplayString( CalendarDisplayCode::SHORT_MONTH, nNatNum );
+            // NatNum12: support variants of preposition, suffixation or article
+            // for example, Catalan "de març", but "d'abril" etc.
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            break;
+        case NF_KEY_MM:                 // MM
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_MONTH, nNatNum ));
+            break;
+        case NF_KEY_MMM:                // MMM
+        case NF_KEY_MMMM:               // MMMM
+        case NF_KEY_MMMMM:              // MMMMM
+            // NatNum12: support variants of preposition, suffixation or
+            // article, or capitalize, upper, lower, title.
+            // Note: result of the "spell out" conversion can depend from the optional
+            // PartitiveMonths or GenitiveMonths defined in the locale data,
+            // see description of ImpUseMonthCase(), and locale data in
+            // i18npool/source/localedata/data/ and libnumbertext
+            aStr = rCal.getDisplayString( ImpUseMonthCase( nUseMonthCase, NumFor[nIx],
+                                                           static_cast<NfKeywordIndex>(rInfo.nTypeArray[i])),
+                                                           nNatNum);
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            break;
+        case NF_KEY_Q:                  // Q
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_QUARTER, nNatNum ));
+            break;
+        case NF_KEY_QQ:                 // QQ
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_QUARTER, nNatNum ));
+            break;
+        case NF_KEY_D:                  // D
+            aStr = rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY, nNatNum );
+            // NatNum12: support variants of preposition, suffixation or article
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            break;
+        case NF_KEY_DD:                 // DD
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY, nNatNum ));
+            break;
+        case NF_KEY_DDD:                // DDD
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            aStr = rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY_NAME, nNatNum );
+            // NatNum12: support at least capitalize, upper, lower, title
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_DDDD:               // DDDD
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            aStr = rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum );
+            // NatNum12: support variants of preposition, suffixation or article
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_YY:                 // YY
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            // Prepend a minus sign if Gregorian BCE and era is not displayed.
+            if (lcl_isSignedYear( rCal, NumFor[nIx] ))
+            {
+                sBuff.append('-');
+            }
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_YEAR, nNatNum ));
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_YYYY:               // YYYY
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            // Prepend a minus sign if Gregorian BCE and era is not displayed.
+            if (lcl_isSignedYear( rCal, NumFor[nIx] ))
+            {
+                sBuff.append('-');
+            }
+            aStr = rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR, nNatNum );
+            if (aStr.getLength() < 4 && !lcl_hasEra(NumFor[nIx]))
+            {
+                using namespace comphelper::string;
+                // Ensure that year consists of at least 4 digits, so it
+                // can be distinguished from 2 digits display and edited
+                // without suddenly being hit by the 2-digit year magic.
+                OUStringBuffer aBuf;
+                padToLength(aBuf, 4 - aStr.getLength(), '0');
+                impTransliterate(aBuf, NumFor[nIx].GetNatNum());
+                aBuf.append(aStr);
+                aStr = aBuf.makeStringAndClear();
+            }
+            // NatNum12: support variants of preposition, suffixation or article
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_EC:                 // E
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_YEAR, nNatNum ));
+            break;
+        case NF_KEY_EEC:                // EE
+        case NF_KEY_R:                  // R
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR, nNatNum ));
+            break;
+        case NF_KEY_NN:                 // NN
+        case NF_KEY_AAA:                // AAA
+            aStr = rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY_NAME, nNatNum );
+            // NatNum12: support at least capitalize, upper, lower, title
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            break;
+        case NF_KEY_NNN:                // NNN
+        case NF_KEY_AAAA:               // AAAA
+            aStr = rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum );
+            // NatNum12: support variants of preposition, suffixation or article
+            if ( bUseSpellout )
+            {
+                aStr = impTransliterate(aStr, NumFor[nIx].GetNatNum(), rInfo.nTypeArray[i]);
+            }
+            sBuff.append(aStr);
+            break;
+        case NF_KEY_NNNN:               // NNNN
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum ));
+            sBuff.append(rLoc().getLongDateDayOfWeekSep());
+            break;
+        case NF_KEY_WW :                // WW
+            sBuff.append(ImpIntToString( nIx,
+                                         rCal.getValue( CalendarFieldIndex::WEEK_OF_YEAR )));
+            break;
+        case NF_KEY_G:                  // G
+            ImpAppendEraG(sBuff, rCal, nNatNum );
+            break;
+        case NF_KEY_GG:                 // GG
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_ERA, nNatNum ));
+            break;
+        case NF_KEY_GGG:                // GGG
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_ERA, nNatNum ));
+            break;
+        case NF_KEY_RR:                 // RR => GGGEE
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR_AND_ERA, nNatNum ));
+            break;
+        }
+    }
+    if ( aOrgCalendar.getLength() )
+    {
+        rCal.loadCalendar( aOrgCalendar, rLoc().getLanguageTag().getLocale() );  // restore calendar
+    }
+    return bRes;
+}
+
+bool SvNumberformat::ImpGetDateTimeOutput(double fNumber,
+                                          sal_uInt16 nIx,
+                                          OUStringBuffer& sBuff)
+{
+    using namespace ::com::sun::star::i18n;
+    bool bRes = false;
+
+    CalendarWrapper& rCal = GetCal();
+    if (!lcl_getValidDate( rScan.GetNullDate(), rCal.getEpochStart(), fNumber))
+    {
+        sBuff = ImpSvNumberformatScan::sErrStr;
+        return false;
+    }
+
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    bool bInputLine;
+    sal_Int32 nCntPost, nFirstRounding;
+    if ( rScan.GetStandardPrec() == SvNumberFormatter::INPUTSTRING_PRECISION &&
+         0 < rInfo.nCntPost && rInfo.nCntPost < kTimeSignificantRound )
+    {
+        bInputLine = true;
+        nCntPost = nFirstRounding = kTimeSignificantRound;
+    }
+    else
+    {
+        bInputLine = false;
+        nCntPost = rInfo.nCntPost;
+        // For clock format (not []) do not round up to seconds and thus days.
+        nFirstRounding = (rInfo.bThousand ? nCntPost : kTimeSignificantRound);
+    }
+    double fTime = (fNumber - floor( fNumber )) * 86400.0;
+    fTime = ::rtl::math::round( fTime, int(nFirstRounding) );
+    if (fTime >= 86400.0)
+    {
+        // result of fNumber==x.999999999... rounded up, use correct date/time
+        fTime -= 86400.0;
+        fNumber = floor( fNumber + 0.5) + fTime;
+    }
+    rCal.setLocalDateTime( fNumber );
+
+    int nUseMonthCase = 0; // Not decided yet
+    OUString aOrgCalendar; // empty => not changed yet
+    double fOrgDateTime(0.0);
+    bool bOtherCalendar = ImpIsOtherCalendar( NumFor[nIx] );
+    if ( bOtherCalendar )
+    {
+        SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+    }
+    if ( ImpFallBackToGregorianCalendar( aOrgCalendar, fOrgDateTime ) )
+    {
+        bOtherCalendar = false;
+    }
+    sal_Int16 nNatNum = NumFor[nIx].GetNatNum().GetNatNum();
+
+    OUStringBuffer sSecStr;
+    sal_Int32 nSecPos = 0; // For figure by figure processing
+    sal_uInt32 nHour, nMin, nSec;
+    if (!rInfo.bThousand) // No [] format
+    {
+        sal_uInt16 nCHour, nCMinute, nCSecond;
+        double fFractionOfSecond;
+        tools::Time::GetClock( fNumber, nCHour, nCMinute, nCSecond, fFractionOfSecond, nCntPost);
+        nHour = nCHour;
+        nMin = nCMinute;
+        nSec = nCSecond;
+        nCntPost = ImpGetFractionOfSecondString( sSecStr, fFractionOfSecond, nCntPost, true, nIx,
+                (bInputLine ? rInfo.nCntPost : 0));
+    }
+    else
+    {
+        sal_uInt32 nSeconds = static_cast<sal_uInt32>(floor( fTime ));
+
+        nCntPost = ImpGetFractionOfSecondString( sSecStr, fTime - nSeconds, nCntPost, false, nIx,
+                (bInputLine ? rInfo.nCntPost : 0));
+
+        if (rInfo.nThousand == 3) // [ss]
+        {
+            nHour = 0;
+            nMin = 0;
+            nSec = nSeconds;
+        }
+        else if (rInfo.nThousand == 2) // [mm]:ss
+        {
+            nHour = 0;
+            nMin = nSeconds / 60;
+            nSec = nSeconds % 60;
+        }
+        else if (rInfo.nThousand == 1) // [hh]:mm:ss
+        {
+            nHour = nSeconds / 3600;
+            nMin = (nSeconds%3600) / 60;
+            nSec = nSeconds%60;
+        }
+        else
+        {
+            nHour = 0;  // TODO What should these values be?
+            nMin  = 0;
+            nSec  = 0;
+        }
+    }
+    sal_Unicode cAmPm = ' '; // a or p
+    if (rInfo.nCntExp) // AM/PM
+    {
+        if (nHour == 0)
+        {
+            nHour = 12;
+            cAmPm = 'a';
+        }
+        else if (nHour < 12)
+        {
+            cAmPm = 'a';
+        }
+        else
+        {
+            cAmPm = 'p';
+            if (nHour > 12)
+            {
+                nHour -= 12;
+            }
+        }
+    }
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+    sal_Int32 nLen;
+    OUString aYear;
+    for (sal_uInt16 i = 0; i < nCnt; i++)
+    {
+        switch (rInfo.nTypeArray[i])
+        {
+        case NF_SYMBOLTYPE_CALENDAR :
+            if ( !aOrgCalendar.getLength() )
+            {
+                aOrgCalendar = rCal.getUniqueID();
+                fOrgDateTime = rCal.getDateTime();
+            }
+            rCal.loadCalendar( rInfo.sStrArray[i], rLoc().getLanguageTag().getLocale() );
+            rCal.setDateTime( fOrgDateTime );
+            ImpFallBackToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            break;
+        case NF_SYMBOLTYPE_STAR:
+            if( bStarFlag )
+            {
+                bRes = lcl_appendStarFillChar( sBuff, rInfo.sStrArray[i]);
+            }
+            break;
+        case NF_SYMBOLTYPE_BLANK:
+            if (rInfo.sStrArray[i].getLength() >= 2)
+                InsertBlanks( sBuff, sBuff.getLength(), rInfo.sStrArray[i][1] );
+            break;
+        case NF_SYMBOLTYPE_STRING:
+        case NF_SYMBOLTYPE_CURRENCY:
+        case NF_SYMBOLTYPE_DATESEP:
+        case NF_SYMBOLTYPE_TIMESEP:
+        case NF_SYMBOLTYPE_TIME100SECSEP:
+            sBuff.append(rInfo.sStrArray[i]);
+            break;
+        case NF_SYMBOLTYPE_DIGIT:
+            nLen = ( bInputLine && i > 0 &&
+                     (rInfo.nTypeArray[i-1] == NF_SYMBOLTYPE_STRING ||
+                      rInfo.nTypeArray[i-1] == NF_SYMBOLTYPE_TIME100SECSEP) ?
+                     nCntPost : rInfo.sStrArray[i].getLength() );
+            for (sal_Int32 j = 0; j < nLen && nSecPos < nCntPost && nSecPos < sSecStr.getLength(); ++j)
+            {
+                sBuff.append(sSecStr[ nSecPos ]);
+                nSecPos++;
+            }
+            break;
+        case NF_KEY_AMPM:               // AM/PM
+            if (cAmPm == 'a')
+            {
+                sBuff.append(rCal.getDisplayName( CalendarDisplayIndex::AM_PM,
+                                                  AmPmValue::AM, 0 ));
+            }
+            else
+            {
+                sBuff.append(rCal.getDisplayName( CalendarDisplayIndex::AM_PM,
+                                                  AmPmValue::PM, 0 ));
+            }
+            break;
+        case NF_KEY_AP:                 // A/P
+            if (cAmPm == 'a')
+            {
+                sBuff.append('a');
+            }
+            else
+            {
+                sBuff.append('p');
+            }
+            break;
+        case NF_KEY_MI:                 // M
+            sBuff.append(ImpIntToString( nIx, nMin ));
+            break;
+        case NF_KEY_MMI:                // MM
+            sBuff.append(ImpIntToString( nIx, nMin, 2 ));
+            break;
+        case NF_KEY_H:                  // H
+            sBuff.append(ImpIntToString( nIx, nHour ));
+            break;
+        case NF_KEY_HH:                 // HH
+            sBuff.append(ImpIntToString( nIx, nHour, 2 ));
+            break;
+        case NF_KEY_S:                  // S
+            sBuff.append(ImpIntToString( nIx, nSec ));
+            break;
+        case NF_KEY_SS:                 // SS
+            sBuff.append(ImpIntToString( nIx, nSec, 2 ));
+            break;
+        case NF_KEY_M:                  // M
+            sBuff.append(rCal.getDisplayString(
+                             CalendarDisplayCode::SHORT_MONTH, nNatNum ));
+            break;
+        case NF_KEY_MM:                 // MM
+            sBuff.append(rCal.getDisplayString(
+                             CalendarDisplayCode::LONG_MONTH, nNatNum ));
+            break;
+        case NF_KEY_MMM:                // MMM
+            sBuff.append(rCal.getDisplayString( ImpUseMonthCase( nUseMonthCase, NumFor[nIx],
+                                                                 static_cast<NfKeywordIndex>(rInfo.nTypeArray[i])),
+                                                nNatNum));
+            break;
+        case NF_KEY_MMMM:               // MMMM
+            sBuff.append(rCal.getDisplayString( ImpUseMonthCase( nUseMonthCase, NumFor[nIx],
+                                                                 static_cast<NfKeywordIndex>(rInfo.nTypeArray[i])),
+                                                nNatNum));
+            break;
+        case NF_KEY_MMMMM:              // MMMMM
+            sBuff.append(rCal.getDisplayString( ImpUseMonthCase( nUseMonthCase, NumFor[nIx],
+                                                                 static_cast<NfKeywordIndex>(rInfo.nTypeArray[i])),
+                                                nNatNum));
+            break;
+        case NF_KEY_Q:                  // Q
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_QUARTER, nNatNum ));
+            break;
+        case NF_KEY_QQ:                 // QQ
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_QUARTER, nNatNum ));
+            break;
+        case NF_KEY_D:                  // D
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY, nNatNum ));
+            break;
+        case NF_KEY_DD:                 // DD
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY, nNatNum ));
+            break;
+        case NF_KEY_DDD:                // DDD
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY_NAME, nNatNum ));
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_DDDD:               // DDDD
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum ));
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_YY:                 // YY
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            // Prepend a minus sign if Gregorian BCE and era is not displayed.
+            if (lcl_isSignedYear( rCal, NumFor[nIx] ))
+            {
+                sBuff.append('-');
+            }
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_YEAR, nNatNum ));
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_YYYY:               // YYYY
+            if ( bOtherCalendar )
+            {
+                SwitchToGregorianCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            // Prepend a minus sign if Gregorian BCE and era is not displayed.
+            if (lcl_isSignedYear( rCal, NumFor[nIx] ))
+            {
+                sBuff.append('-');
+            }
+            aYear = rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR, nNatNum );
+            if (aYear.getLength() < 4 && !lcl_hasEra(NumFor[nIx]))
+            {
+                using namespace comphelper::string;
+                // Ensure that year consists of at least 4 digits, so it
+                // can be distinguished from 2 digits display and edited
+                // without suddenly being hit by the 2-digit year magic.
+                OUStringBuffer aBuf;
+                padToLength(aBuf, 4 - aYear.getLength(), '0');
+                impTransliterate(aBuf, NumFor[nIx].GetNatNum());
+                aBuf.append(aYear);
+                sBuff.append(aBuf);
+            }
+            else
+            {
+                sBuff.append(aYear);
+            }
+            if ( bOtherCalendar )
+            {
+                SwitchToOtherCalendar( aOrgCalendar, fOrgDateTime );
+            }
+            break;
+        case NF_KEY_EC:                 // E
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_YEAR, nNatNum ));
+            break;
+        case NF_KEY_EEC:                // EE
+        case NF_KEY_R:                  // R
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR, nNatNum ));
+            break;
+        case NF_KEY_NN:                 // NN
+        case NF_KEY_AAA:                // AAA
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_DAY_NAME, nNatNum ));
+            break;
+        case NF_KEY_NNN:                // NNN
+        case NF_KEY_AAAA:               // AAAA
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum ));
+            break;
+        case NF_KEY_NNNN:               // NNNN
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_DAY_NAME, nNatNum ));
+            sBuff.append(rLoc().getLongDateDayOfWeekSep());
+            break;
+        case NF_KEY_WW :                // WW
+            sBuff.append(ImpIntToString( nIx, rCal.getValue( CalendarFieldIndex::WEEK_OF_YEAR )));
+            break;
+        case NF_KEY_G:                  // G
+            ImpAppendEraG( sBuff, rCal, nNatNum );
+            break;
+        case NF_KEY_GG:                 // GG
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::SHORT_ERA, nNatNum ));
+            break;
+        case NF_KEY_GGG:                // GGG
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_ERA, nNatNum ));
+            break;
+        case NF_KEY_RR:                 // RR => GGGEE
+            sBuff.append(rCal.getDisplayString( CalendarDisplayCode::LONG_YEAR_AND_ERA, nNatNum ));
+            break;
+        }
+    }
+    if ( aOrgCalendar.getLength() )
+    {
+        rCal.loadCalendar( aOrgCalendar, rLoc().getLanguageTag().getLocale() );  // restore calendar
+    }
+    return bRes;
+}
+
+bool SvNumberformat::ImpGetLogicalOutput(double fNumber,
+                                         sal_uInt16 nIx,
+                                         OUStringBuffer& sStr)
+{
+    bool bRes = false;
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    const sal_uInt16 nCnt = NumFor[nIx].GetCount();
+    for (sal_uInt16 j = 0; j < nCnt; ++j)
+    {
+        switch (rInfo.nTypeArray[j])
+        {
+            case NF_KEY_BOOLEAN:
+                sStr.append( fNumber ? rScan.GetTrueString() : rScan.GetFalseString());
+            break;
+            case NF_SYMBOLTYPE_STRING:
+                sStr.append( rInfo.sStrArray[j]);
+            break;
+        }
+    }
+    impTransliterate(sStr, NumFor[nIx].GetNatNum());
+    return bRes;
+}
+
+bool SvNumberformat::ImpGetNumberOutput(double fNumber,
+                                        sal_uInt16 nIx,
+                                        OUStringBuffer& sStr)
+{
+    bool bRes = false;
+    bool bSign;
+    if (fNumber < 0.0)
+    {
+        bSign = (nIx == 0); // Not in the ones at the back;
+        fNumber = -fNumber;
+    }
+    else
+    {
+        bSign = false;
+        if ( std::signbit( fNumber ) )
+        {
+            fNumber = -fNumber; // yes, -0.0 is possible, eliminate '-'
+        }
+    }
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    if (rInfo.eScannedType == SvNumFormatType::PERCENT)
+    {
+        if (fNumber < D_MAX_D_BY_100)
+        {
+            fNumber *= 100.0;
+        }
+        else
+        {
+            sStr = ImpSvNumberformatScan::sErrStr;
+            return false;
+        }
+    }
+    sal_uInt16 i, j;
+    sal_Int32 nDecPos = -1;
+    bool bInteger = false;
+    if ( rInfo.nThousand != FLAG_STANDARD_IN_FORMAT )
+    {
+        // Special formatting only if no GENERAL keyword in format code
+        const sal_uInt16 nThousand = rInfo.nThousand;
+        tools::Long nPrecExp;
+        for (i = 0; i < nThousand; i++)
+        {
+           if (fNumber > D_MIN_M_BY_1000)
+           {
+               fNumber /= 1000.0;
+           }
+           else
+           {
+               fNumber = 0.0;
+           }
+        }
+        if (fNumber > 0.0)
+        {
+            nPrecExp = GetPrecExp( fNumber );
+        }
+        else
+        {
+            nPrecExp = 0;
+        }
+        if (rInfo.nCntPost) // Decimal places
+        {
+            if ((rInfo.nCntPost + nPrecExp) > 15 && nPrecExp < 15)
+            {
+                sStr = ::rtl::math::doubleToUString( fNumber, rtl_math_StringFormat_F, 15-nPrecExp, '.');
+                for (tools::Long l = 15-nPrecExp; l < static_cast<tools::Long>(rInfo.nCntPost); l++)
+                {
+                    sStr.append('0');
+                }
+            }
+            else
+            {
+                sStr = ::rtl::math::doubleToUString( fNumber, rtl_math_StringFormat_F, rInfo.nCntPost, '.' );
+            }
+            sStr.stripStart('0'); // Strip leading zeros
+        }
+        else if (fNumber == 0.0) // Null
+        {
+            // Nothing to be done here, keep empty string sStr,
+            // ImpNumberFillWithThousands does the rest
+        }
+        else // Integer
+        {
+            sStr = ::rtl::math::doubleToUString( fNumber, rtl_math_StringFormat_F, 0, '.');
+            sStr.stripStart('0'); // Strip leading zeros
+        }
+        nDecPos = sStr.indexOf('.' );
+        if ( nDecPos >= 0)
+        {
+            const sal_Unicode* p = sStr.getStr() + nDecPos;
+            while ( *++p == '0' )
+                ;
+            if ( !*p )
+            {
+                bInteger = true;
+            }
+            sStr.remove( nDecPos, 1 ); //  Remove .
+        }
+        if (bSign && (sStr.isEmpty() || checkForAll0s(sStr)))   // Only 00000
+        {
+            bSign = false;              // Not -0.00
+        }
+    }                                   // End of != FLAG_STANDARD_IN_FORMAT
+
+                                        // Edit backwards:
+    j = NumFor[nIx].GetCount()-1;       // Last symbol
+                                        // Decimal places:
+    bRes |= ImpDecimalFill( sStr, fNumber, nDecPos, j, nIx, bInteger );
+    if (bSign)
+    {
+        sStr.insert(0, '-');
+    }
+    impTransliterate(sStr, NumFor[nIx].GetNatNum());
+    return bRes;
+}
+
+bool SvNumberformat::ImpDecimalFill( OUStringBuffer& sStr,  // number string
+                                   double& rNumber,       // number
+                                   sal_Int32 nDecPos,     // decimals start
+                                   sal_uInt16 j,          // symbol index within format code
+                                   sal_uInt16 nIx,        // subformat index
+                                   bool bInteger)         // is integer
+{
+    bool bRes = false;
+    bool bFilled = false;               // Was filled?
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    sal_Int32 k = sStr.getLength();     // After last figure
+                                        // Decimal places:
+    if (rInfo.nCntPost > 0)
+    {
+        bool bTrailing = true;          // Trailing zeros?
+        short nType;
+        while (j > 0 &&                 // Backwards
+               (nType = rInfo.nTypeArray[j]) != NF_SYMBOLTYPE_DECSEP)
+        {
+            switch ( nType )
+            {
+            case NF_SYMBOLTYPE_STAR:
+                if( bStarFlag )
+                {
+                    bRes = lcl_insertStarFillChar( sStr, k, rInfo.sStrArray[j]);
+                }
+                break;
+            case NF_SYMBOLTYPE_BLANK:
+                if (rInfo.sStrArray[j].getLength() >= 2)
+                    /*k = */ InsertBlanks(sStr, k, rInfo.sStrArray[j][1] );
+                break;
+            case NF_SYMBOLTYPE_STRING:
+            case NF_SYMBOLTYPE_CURRENCY:
+            case NF_SYMBOLTYPE_PERCENT:
+                sStr.insert(k, rInfo.sStrArray[j]);
+                break;
+            case NF_SYMBOLTYPE_THSEP:
+                if (rInfo.nThousand == 0)
+                {
+                    sStr.insert(k, rInfo.sStrArray[j]);
+                }
+                break;
+            case NF_SYMBOLTYPE_DIGIT:
+            {
+                const OUString& rStr = rInfo.sStrArray[j];
+                const sal_Unicode* p1 = rStr.getStr();
+                const sal_Unicode* p = p1 + rStr.getLength();
+                // In case the number of decimals passed are less than the
+                // "digits" given, append trailing '0' characters, which here
+                // means insert them because literal strings may have been
+                // appended already. If they weren't to be '0' characters
+                // they'll be changed below, as if decimals with trailing zeros
+                // were passed.
+                if (nDecPos >= 0 && nDecPos <= k)
+                {
+                    sal_Int32 nAppend = rStr.getLength() - (k - nDecPos);
+                    while (nAppend-- > 0)
+                    {
+                        sStr.insert( k++, '0');
+                    }
+                }
+                while (k && p1 < p--)
+                {
+                    const sal_Unicode c = *p;
+                    k--;
+                    if ( sStr[k] != '0' )
+                    {
+                        bTrailing = false;
+                        bFilled = true;
+                    }
+                    if (bTrailing)
+                    {
+                        if ( c == '0' )
+                        {
+                            bFilled = true;
+                        }
+                        else if ( c == '-' )
+                        {
+                            if ( bInteger )
+                            {
+                                sStr[ k ] = '-';
+                            }
+                            bFilled = true;
+                        }
+                        else if ( c == '?' )
+                        {
+                            sStr[ k ] = ' ';
+                            bFilled = true;
+                        }
+                        else if ( !bFilled ) // #
+                        {
+                            sStr.remove(k,1);
+                        }
+                    }
+                } // of for
+                break;
+            } // of case digi
+            case NF_KEY_CCC: // CCC currency
+                sStr.insert(k, rScan.GetCurAbbrev());
+                break;
+            case NF_KEY_GENERAL: // Standard in the String
+            {
+                OUStringBuffer sNum;
+                ImpGetOutputStandard(rNumber, sNum);
+                sNum.stripStart('-');
+                sStr.insert(k, sNum);
+                break;
+            }
+            default:
+                break;
+            } // of switch
+            j--;
+        } // of while
+    } // of decimal places
+
+    bRes |= ImpNumberFillWithThousands(sStr, rNumber, k, j, nIx, // Fill with . if needed
+                                       rInfo.nCntPre, bFilled );
+
+    return bRes;
+}
+
+bool SvNumberformat::ImpNumberFillWithThousands( OUStringBuffer& sBuff,  // number string
+                                                 double& rNumber,       // number
+                                                 sal_Int32 k,           // position within string
+                                                 sal_uInt16 j,          // symbol index within format code
+                                                 sal_uInt16 nIx,        // subformat index
+                                                 sal_Int32 nDigCnt,     // count of integer digits in format
+                                                 bool bAddDecSep)       // add decimal separator if necessary
+{
+    bool bRes = false;
+    sal_Int32 nLeadingStringChars = 0; // inserted StringChars before number
+    sal_Int32 nDigitCount = 0;         // count of integer digits from the right
+    bool bStop = false;
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    // no normal thousands separators if number divided by thousands
+    bool bDoThousands = (rInfo.nThousand == 0);
+    utl::DigitGroupingIterator aGrouping( GetFormatter().GetLocaleData()->getDigitGrouping());
+
+    while (!bStop) // backwards
+    {
+        if (j == 0)
+        {
+            bStop = true;
+        }
+        switch (rInfo.nTypeArray[j])
+        {
+        case NF_SYMBOLTYPE_DECSEP:
+            aGrouping.reset();
+            [[fallthrough]];
+        case NF_SYMBOLTYPE_STRING:
+        case NF_SYMBOLTYPE_CURRENCY:
+        case NF_SYMBOLTYPE_PERCENT:
+            if ( rInfo.nTypeArray[j] != NF_SYMBOLTYPE_DECSEP || bAddDecSep )
+                sBuff.insert(k, rInfo.sStrArray[j]);
+            if ( k == 0 )
+            {
+                nLeadingStringChars = nLeadingStringChars + rInfo.sStrArray[j].getLength();
+            }
+            break;
+        case NF_SYMBOLTYPE_STAR:
+            if( bStarFlag )
+            {
+                bRes = lcl_insertStarFillChar( sBuff, k, rInfo.sStrArray[j]);
+            }
+            break;
+        case NF_SYMBOLTYPE_BLANK:
+            if (rInfo.sStrArray[j].getLength() >= 2)
+                /*k = */ InsertBlanks(sBuff, k, rInfo.sStrArray[j][1] );
+            break;
+        case NF_SYMBOLTYPE_THSEP:
+            // #i7284# #102685# Insert separator also if number is divided
+            // by thousands and the separator is specified somewhere in
+            // between and not only at the end.
+            // #i12596# But do not insert if it's a parenthesized negative
+            // format like (#,)
+            // In fact, do not insert if divided and regex [0#,],[^0#] and
+            // no other digit symbol follows (which was already detected
+            // during scan of format code, otherwise there would be no
+            // division), else do insert. Same in ImpNumberFill() below.
+            if ( !bDoThousands && j < NumFor[nIx].GetCount()-1 )
+            {
+                bDoThousands = ((j == 0) ||
+                                (rInfo.nTypeArray[j-1] != NF_SYMBOLTYPE_DIGIT &&
+                                 rInfo.nTypeArray[j-1] != NF_SYMBOLTYPE_THSEP) ||
+                                (rInfo.nTypeArray[j+1] == NF_SYMBOLTYPE_DIGIT));
+            }
+            if ( bDoThousands )
+            {
+                if (k > 0)
+                {
+                    sBuff.insert(k, rInfo.sStrArray[j]);
+                }
+                else if (nDigitCount < nDigCnt)
+                {
+                    // Leading '#' displays nothing (e.g. no leading
+                    // separator for numbers <1000 with #,##0 format).
+                    // Leading '?' displays blank.
+                    // Everything else, including nothing, displays the
+                    // separator.
+                    sal_Unicode cLeader = 0;
+                    if (j > 0 && rInfo.nTypeArray[j-1] == NF_SYMBOLTYPE_DIGIT)
+                    {
+                        const OUString& rStr = rInfo.sStrArray[j-1];
+                        sal_Int32 nLen = rStr.getLength();
+                        if (nLen)
+                        {
+                            cLeader = rStr[ nLen - 1 ];
+                        }
+                    }
+                    switch (cLeader)
+                    {
+                    case '#':
+                        ;   // nothing
+                        break;
+                    case '?':
+                        // replace thousand separator with blank
+                        sBuff.insert(k, ' ');
+                        break;
+                    default:
+                        sBuff.insert(k, rInfo.sStrArray[j]);
+                    }
+                }
+                aGrouping.advance();
+            }
+            break;
+        case NF_SYMBOLTYPE_DIGIT:
+        {
+            const OUString& rStr = rInfo.sStrArray[j];
+            const sal_Unicode* p1 = rStr.getStr();
+            const sal_Unicode* p = p1 + rStr.getLength();
+            while ( p1 < p-- )
+            {
+                nDigitCount++;
+                if (k > 0)
+                {
+                    k--;
+                }
+                else
+                {
+                    switch (*p)
+                    {
+                    case '0':
+                        sBuff.insert(0, '0');
+                        break;
+                    case '?':
+                        sBuff.insert(0, ' ');
+                        break;
+                    }
+                }
+                if (nDigitCount == nDigCnt && k > 0)
+                {
+                    // more digits than specified
+                    ImpDigitFill(sBuff, 0, k, nIx, nDigitCount, aGrouping);
+                }
+            }
+            break;
+        }
+        case NF_KEY_CCC: // CCC currency
+            sBuff.insert(k, rScan.GetCurAbbrev());
+            break;
+        case NF_KEY_GENERAL: // "General" in string
+        {
+            OUStringBuffer sNum;
+            ImpGetOutputStandard(rNumber, sNum);
+            sNum.stripStart('-');
+            sBuff.insert(k, sNum);
+            break;
+        }
+        default:
+            break;
+        } // switch
+        j--; // next format code string
+    } // while
+
+    k = k + nLeadingStringChars;    // MSC converts += to int and then warns, so ...
+    if (k > nLeadingStringChars)
+    {
+        ImpDigitFill(sBuff, nLeadingStringChars, k, nIx, nDigitCount, aGrouping);
+    }
+    return bRes;
+}
+
+void SvNumberformat::ImpDigitFill(OUStringBuffer& sStr,     // number string
+                                  sal_Int32 nStart,         // start of digits
+                                  sal_Int32 & k,            // position within string
+                                  sal_uInt16 nIx,           // subformat index
+                                  sal_Int32 & nDigitCount,  // count of integer digits from the right so far
+                                  utl::DigitGroupingIterator & rGrouping )  // current grouping
+{
+    if (NumFor[nIx].Info().bThousand) // Only if grouping fill in separators
+    {
+        const OUString& rThousandSep = GetFormatter().GetNumThousandSep();
+        while (k > nStart)
+        {
+            if (nDigitCount == rGrouping.getPos())
+            {
+                sStr.insert( k, rThousandSep );
+                rGrouping.advance();
+            }
+            nDigitCount++;
+            k--;
+        }
+    }
+    else // simply skip
+    {
+        k = nStart;
+    }
+}
+
+bool SvNumberformat::ImpNumberFill( OUStringBuffer& sBuff, // number string
+                                    double& rNumber,       // number for "General" format
+                                    sal_Int32& k,          // position within string
+                                    sal_uInt16& j,         // symbol index within format code
+                                    sal_uInt16 nIx,        // subformat index
+                                    short eSymbolType,     // type of stop condition
+                                    bool bInsertRightBlank)// insert blank on right for denominator (default = false)
+{
+    bool bRes = false;
+    bool bStop = false;
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+    // no normal thousands separators if number divided by thousands
+    bool bDoThousands = (rInfo.nThousand == 0);
+    bool bFoundNumber = false;
+    short nType;
+
+    k = sBuff.getLength(); // behind last digit
+
+    while (!bStop && (nType = rInfo.nTypeArray[j]) != eSymbolType ) // Backwards
+    {
+        switch ( nType )
+        {
+        case NF_SYMBOLTYPE_STAR:
+            if( bStarFlag )
+            {
+                if ( bFoundNumber && eSymbolType != NF_SYMBOLTYPE_EXP )
+                    k = 0; // tdf#100842 jump to beginning of number before inserting something else
+                bRes = lcl_insertStarFillChar( sBuff, k, rInfo.sStrArray[j]);
+            }
+            break;
+        case NF_SYMBOLTYPE_BLANK:
+            if (rInfo.sStrArray[j].getLength() >= 2)
+            {
+                if ( bFoundNumber && eSymbolType != NF_SYMBOLTYPE_EXP )
+                    k = 0; // tdf#100842 jump to beginning of number before inserting something else
+                k = InsertBlanks(sBuff, k, rInfo.sStrArray[j][1] );
+            }
+            break;
+        case NF_SYMBOLTYPE_THSEP:
+            // Same as in ImpNumberFillWithThousands() above, do not insert
+            // if divided and regex [0#,],[^0#] and no other digit symbol
+            // follows (which was already detected during scan of format
+            // code, otherwise there would be no division), else do insert.
+            if ( !bDoThousands && j < NumFor[nIx].GetCount()-1 )
+            {
+                bDoThousands = ((j == 0) ||
+                                (rInfo.nTypeArray[j-1] != NF_SYMBOLTYPE_DIGIT &&
+                                 rInfo.nTypeArray[j-1] != NF_SYMBOLTYPE_THSEP) ||
+                                (rInfo.nTypeArray[j+1] == NF_SYMBOLTYPE_DIGIT));
+            }
+            if ( bDoThousands && k > 0 )
+            {
+                sBuff.insert(k, rInfo.sStrArray[j]);
+            }
+            break;
+        case NF_SYMBOLTYPE_DIGIT:
+        {
+            bFoundNumber = true;
+            sal_uInt16 nPosInsertBlank = bInsertRightBlank ? k : 0; // left alignment of denominator
+            const OUString& rStr = rInfo.sStrArray[j];
+            const sal_Unicode* p1 = rStr.getStr();
+            const sal_Unicode* p = p1 + rStr.getLength();
+            while ( p1 < p-- )
+            {
+                if (k > 0)
+                {
+                    k--;
+                }
+                else
+                {
+                    switch (*p)
+                    {
+                    case '0':
+                        sBuff.insert(0, '0');
+                        break;
+                    case '?':
+                        sBuff.insert(nPosInsertBlank, ' ');
+                        break;
+                    }
+                }
+            }
+        }
+        break;
+        case NF_KEY_CCC:                // CCC currency
+            sBuff.insert(k, rScan.GetCurAbbrev());
+            break;
+        case NF_KEY_GENERAL: // Standard in the String
+        {
+            OUStringBuffer sNum;
+            bFoundNumber = true;
+            ImpGetOutputStandard(rNumber, sNum);
+            sNum.stripStart('-');
+            sBuff.insert(k, sNum);
+        }
+        break;
+        case NF_SYMBOLTYPE_FRAC_FDIV: // Do Nothing
+            if (k > 0)
+            {
+                k--;
+            }
+            break;
+
+        default:
+            if ( bFoundNumber && eSymbolType != NF_SYMBOLTYPE_EXP )
+                k = 0; // tdf#100842 jump to beginning of number before inserting something else
+            sBuff.insert(k, rInfo.sStrArray[j]);
+            break;
+        } // of switch
+        if ( j )
+            j--; // Next String
+        else
+            bStop = true;
+    } // of while
+    return bRes;
+}
+
+void SvNumberformat::GetFormatSpecialInfo(bool& bThousand,
+                                          bool& IsRed,
+                                          sal_uInt16& nPrecision,
+                                          sal_uInt16& nLeadingCnt) const
+{
+    // as before: take info from nNumFor=0 for whole format (for dialog etc.)
+
+    SvNumFormatType nDummyType;
+    GetNumForInfo( 0, nDummyType, bThousand, nPrecision, nLeadingCnt );
+
+    // "negative in red" is only useful for the whole format
+
+    const Color* pColor = NumFor[1].GetColor();
+    IsRed = fLimit1 == 0.0 && fLimit2 == 0.0 && pColor
+        && (*pColor == ImpSvNumberformatScan::GetRedColor());
+}
+
+void SvNumberformat::GetNumForInfo( sal_uInt16 nNumFor, SvNumFormatType& rScannedType,
+                    bool& bThousand, sal_uInt16& nPrecision, sal_uInt16& nLeadingCnt ) const
+{
+    // take info from a specified sub-format (for XML export)
+
+    if ( nNumFor > 3 )
+    {
+        return; // invalid
+    }
+
+    const ImpSvNumberformatInfo& rInfo = NumFor[nNumFor].Info();
+    rScannedType = rInfo.eScannedType;
+    bThousand = rInfo.bThousand;
+    nPrecision = (rInfo.eScannedType == SvNumFormatType::FRACTION)
+                    ? rInfo.nCntExp  // number of denominator digits for fraction
+                    : rInfo.nCntPost;
+    sal_Int32 nPosHash = 1;
+    if ( rInfo.eScannedType == SvNumFormatType::FRACTION &&
+            ( (nPosHash += GetDenominatorString(nNumFor).indexOf('#')) > 0 ) )
+        nPrecision -= nPosHash;
+    if (bStandard && rInfo.eScannedType == SvNumFormatType::NUMBER)
+    {
+        // StandardFormat
+        nLeadingCnt = 1;
+    }
+    else
+    {
+        nLeadingCnt = 0;
+        bool bStop = false;
+        sal_uInt16 i = 0;
+        const sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+        while (!bStop && i < nCnt)
+        {
+            short nType = rInfo.nTypeArray[i];
+            if ( nType == NF_SYMBOLTYPE_DIGIT)
+            {
+                const sal_Unicode* p = rInfo.sStrArray[i].getStr();
+                while ( *p == '#' )
+                {
+                    p++;
+                }
+                while ( *p == '0' || *p == '?' )
+                {
+                    nLeadingCnt++;
+                    p++;
+                }
+            }
+            else if (nType == NF_SYMBOLTYPE_DECSEP
+                  || nType == NF_SYMBOLTYPE_EXP
+                  || nType == NF_SYMBOLTYPE_FRACBLANK)  // Fraction: stop after integer part,
+            {                                           // do not count '0' of fraction
+                bStop = true;
+            }
+            i++;
+        }
+    }
+}
+
+const OUString* SvNumberformat::GetNumForString( sal_uInt16 nNumFor, sal_uInt16 nPos,
+            bool bString /* = false */ ) const
+{
+    if ( nNumFor > 3 )
+    {
+        return nullptr;
+    }
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    if ( !nCnt )
+    {
+        return nullptr;
+    }
+    if ( nPos == 0xFFFF )
+    {
+        nPos = nCnt - 1;
+        if ( bString )
+        {   // Backwards
+            short const * pType = NumFor[nNumFor].Info().nTypeArray.data() + nPos;
+            while ( nPos > 0 && (*pType != NF_SYMBOLTYPE_STRING) &&
+                    (*pType != NF_SYMBOLTYPE_CURRENCY) )
+            {
+                pType--;
+                nPos--;
+            }
+            if ( (*pType != NF_SYMBOLTYPE_STRING) && (*pType != NF_SYMBOLTYPE_CURRENCY) )
+            {
+                return nullptr;
+            }
+        }
+    }
+    else if ( nPos > nCnt - 1 )
+    {
+        return nullptr;
+    }
+    else if ( bString )
+    {
+        // forward
+        short const * pType = NumFor[nNumFor].Info().nTypeArray.data() + nPos;
+        while ( nPos < nCnt && (*pType != NF_SYMBOLTYPE_STRING) &&
+                (*pType != NF_SYMBOLTYPE_CURRENCY) )
+        {
+            pType++;
+            nPos++;
+        }
+        if ( nPos >= nCnt || ((*pType != NF_SYMBOLTYPE_STRING) &&
+                              (*pType != NF_SYMBOLTYPE_CURRENCY)) )
+        {
+            return nullptr;
+        }
+    }
+    return &NumFor[nNumFor].Info().sStrArray[nPos];
+}
+
+short SvNumberformat::GetNumForType( sal_uInt16 nNumFor, sal_uInt16 nPos ) const
+{
+    if ( nNumFor > 3 )
+    {
+        return 0;
+    }
+    sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+    if ( !nCnt )
+    {
+        return 0;
+    }
+    if ( nPos == 0xFFFF )
+    {
+        nPos = nCnt - 1;
+    }
+    else if ( nPos > nCnt - 1 )
+    {
+        return 0;
+    }
+    return NumFor[nNumFor].Info().nTypeArray[nPos];
+}
+
+bool SvNumberformat::IsNegativeWithoutSign() const
+{
+    if ( IsSecondSubformatRealNegative() )
+    {
+        const OUString* pStr = GetNumForString( 1, 0, true );
+        if ( pStr )
+        {
+            return !HasStringNegativeSign( *pStr );
+        }
+    }
+    return false;
+}
+
+bool SvNumberformat::IsNegativeInBracket() const
+{
+    sal_uInt16 nCnt = NumFor[1].GetCount();
+    if (!nCnt)
+    {
+        return false;
+    }
+    auto& tmp = NumFor[1].Info().sStrArray;
+    return tmp[0] == "(" && tmp[nCnt-1] == ")";
+}
+
+bool SvNumberformat::HasPositiveBracketPlaceholder() const
+{
+    sal_uInt16 nCnt = NumFor[0].GetCount();
+    return NumFor[0].Info().sStrArray[nCnt-1] == "_)";
+}
+
+DateOrder SvNumberformat::GetDateOrder() const
+{
+    if ( eType & SvNumFormatType::DATE )
+    {
+        auto& rTypeArray = NumFor[0].Info().nTypeArray;
+        sal_uInt16 nCnt = NumFor[0].GetCount();
+        for ( sal_uInt16 j=0; j<nCnt; j++ )
+        {
+            switch ( rTypeArray[j] )
+            {
+            case NF_KEY_D :
+            case NF_KEY_DD :
+                return DateOrder::DMY;
+            case NF_KEY_M :
+            case NF_KEY_MM :
+            case NF_KEY_MMM :
+            case NF_KEY_MMMM :
+            case NF_KEY_MMMMM :
+                return DateOrder::MDY;
+            case NF_KEY_YY :
+            case NF_KEY_YYYY :
+            case NF_KEY_EC :
+            case NF_KEY_EEC :
+            case NF_KEY_R :
+            case NF_KEY_RR :
+                return DateOrder::YMD;
+            }
+        }
+    }
+    else
+    {
+       SAL_WARN( "svl.numbers", "SvNumberformat::GetDateOrder: no date" );
+    }
+    return rLoc().getDateOrder();
+}
+
+sal_uInt32 SvNumberformat::GetExactDateOrder() const
+{
+    sal_uInt32 nRet = 0;
+    if ( !(eType & SvNumFormatType::DATE) )
+    {
+        SAL_WARN( "svl.numbers", "SvNumberformat::GetExactDateOrder: no date" );
+        return nRet;
+    }
+    auto& rTypeArray = NumFor[0].Info().nTypeArray;
+    sal_uInt16 nCnt = NumFor[0].GetCount();
+    int nShift = 0;
+    for ( sal_uInt16 j=0; j<nCnt && nShift < 3; j++ )
+    {
+        switch ( rTypeArray[j] )
+        {
+        case NF_KEY_D :
+        case NF_KEY_DD :
+            nRet = (nRet << 8) | 'D';
+            ++nShift;
+            break;
+        case NF_KEY_M :
+        case NF_KEY_MM :
+        case NF_KEY_MMM :
+        case NF_KEY_MMMM :
+        case NF_KEY_MMMMM :
+            nRet = (nRet << 8) | 'M';
+            ++nShift;
+            break;
+        case NF_KEY_YY :
+        case NF_KEY_YYYY :
+        case NF_KEY_EC :
+        case NF_KEY_EEC :
+        case NF_KEY_R :
+        case NF_KEY_RR :
+            nRet = (nRet << 8) | 'Y';
+            ++nShift;
+            break;
+        }
+    }
+    return nRet;
+}
+
+void SvNumberformat::GetConditions( SvNumberformatLimitOps& rOper1, double& rVal1,
+                                    SvNumberformatLimitOps& rOper2, double& rVal2 ) const
+{
+    rOper1 = eOp1;
+    rOper2 = eOp2;
+    rVal1  = fLimit1;
+    rVal2  = fLimit2;
+}
+
+const Color* SvNumberformat::GetColor( sal_uInt16 nNumFor ) const
+{
+    if ( nNumFor > 3 )
+    {
+        return nullptr;
+    }
+    return NumFor[nNumFor].GetColor();
+}
+
+static void lcl_SvNumberformat_AddLimitStringImpl( OUString& rStr,
+                                                   SvNumberformatLimitOps eOp,
+                                                   double fLimit, std::u16string_view rDecSep )
+{
+    if ( eOp == NUMBERFORMAT_OP_NO )
+        return;
+
+    switch ( eOp )
+    {
+    case NUMBERFORMAT_OP_EQ :
+        rStr = "[=";
+        break;
+    case NUMBERFORMAT_OP_NE :
+        rStr = "[<>";
+        break;
+    case NUMBERFORMAT_OP_LT :
+        rStr = "[<";
+        break;
+    case NUMBERFORMAT_OP_LE :
+        rStr = "[<=";
+        break;
+    case NUMBERFORMAT_OP_GT :
+        rStr = "[>";
+        break;
+    case NUMBERFORMAT_OP_GE :
+        rStr = "[>=";
+        break;
+    default:
+        SAL_WARN( "svl.numbers", "unsupported number format" );
+        break;
+    }
+    rStr +=  ::rtl::math::doubleToUString( fLimit,
+                                           rtl_math_StringFormat_Automatic, rtl_math_DecimalPlaces_Max,
+                                           rDecSep[0], true);
+    rStr += "]";
+}
+
+static void lcl_insertLCID( OUStringBuffer& rFormatStr, sal_uInt32 nLCID, sal_Int32 nPosInsertLCID, bool bDBNumInserted )
+{
+    if ( nLCID == 0 )
+        return;
+    if (nPosInsertLCID == rFormatStr.getLength() && !bDBNumInserted)
+        // No format code, no locale.
+        return;
+
+    auto aLCIDString = OUString::number( nLCID , 16 ).toAsciiUpperCase();
+    // Search for only last DBNum which is the last element before insertion position
+    if ( bDBNumInserted && nPosInsertLCID >= 8
+        && aLCIDString.length > 4
+        && OUString::unacquired(rFormatStr).match( "[DBNum", nPosInsertLCID-8) )
+    {   // remove DBNumX code if long LCID
+        nPosInsertLCID -= 8;
+        rFormatStr.remove( nPosInsertLCID, 8 );
+    }
+    rFormatStr.insert( nPosInsertLCID, "[$-" + aLCIDString + "]" );
+}
+
+/** Increment nAlphabetID for CJK numerals
+ * +1 for financial numerals [NatNum2]
+ * +2 for Arabic fullwidth numerals [NatNum3]
+ * */
+static void lcl_incrementAlphabetWithNatNum ( sal_uInt32& nAlphabetID, sal_uInt32 nNatNum )
+{
+    if ( nNatNum == 2) // financial
+        nAlphabetID += 1;
+    else if ( nNatNum == 3)
+        nAlphabetID += 2;
+    nAlphabetID = nAlphabetID << 24;
+}
+
+OUString SvNumberformat::GetMappedFormatstring( const NfKeywordTable& rKeywords,
+                                                const LocaleDataWrapper& rLocWrp,
+                                                LanguageType nOriginalLang /* =LANGUAGE_DONTKNOW */,
+                                                bool bSystemLanguage /* =false */ ) const
+{
+    OUStringBuffer aStr;
+    if (maLocale.meSubstitute != LocaleType::Substitute::NONE)
+    {
+        // XXX: theoretically this could clash with the first subformat's
+        // lcl_insertLCID() below, in practice as long as it is used for system
+        // time and date modifiers it shouldn't (i.e. there is no calendar or
+        // numeral specified as well).
+        aStr.append("[$-" + maLocale.generateCode() + "]");
+    }
+    bool bDefault[4];
+    // 1 subformat matches all if no condition specified,
+    bDefault[0] = ( NumFor[1].GetCount() == 0 && eOp1 == NUMBERFORMAT_OP_NO );
+    // with 2 subformats [>=0];[<0] is implied if no condition specified
+    bDefault[1] = ( !bDefault[0] && NumFor[2].GetCount() == 0 &&
+                    eOp1 == NUMBERFORMAT_OP_GE && fLimit1 == 0.0 &&
+                    eOp2 == NUMBERFORMAT_OP_NO && fLimit2 == 0.0 );
+    // with 3 or more subformats [>0];[<0];[=0] is implied if no condition specified,
+    // note that subformats may be empty (;;;) and NumFor[2].GetCount()>0 is not checked.
+    bDefault[2] = ( !bDefault[0] && !bDefault[1] &&
+                    eOp1 == NUMBERFORMAT_OP_GT && fLimit1 == 0.0 &&
+                    eOp2 == NUMBERFORMAT_OP_LT && fLimit2 == 0.0 );
+    bool bDefaults = bDefault[0] || bDefault[1] || bDefault[2];
+    // from now on bDefault[] values are used to append empty subformats at the end
+    bDefault[3] = false;
+    if ( !bDefaults )
+    {
+        // conditions specified
+        if ( eOp1 != NUMBERFORMAT_OP_NO && eOp2 == NUMBERFORMAT_OP_NO )
+        {
+            bDefault[0] = bDefault[1] = true;                               // [];x
+        }
+        else if ( eOp1 != NUMBERFORMAT_OP_NO && eOp2 != NUMBERFORMAT_OP_NO &&
+                  NumFor[2].GetCount() == 0 )
+        {
+            bDefault[0] = bDefault[1] = bDefault[2] = bDefault[3] = true;   // [];[];;
+        }
+        // nothing to do if conditions specified for every subformat
+    }
+    else if ( bDefault[0] )
+    {
+        bDefault[0] = false; // a single unconditional subformat is never delimited
+    }
+    else
+    {
+        if ( bDefault[2] && NumFor[2].GetCount() == 0 && NumFor[1].GetCount() > 0 )
+        {
+            bDefault[3] = true; // special cases x;x;; and ;x;;
+        }
+        for ( int i=0; i<3 && !bDefault[i]; ++i )
+        {
+            bDefault[i] = true;
+        }
+    }
+    int nSem = 0; // needed ';' delimiters
+    int nSub = 0; // subformats delimited so far
+    for ( int n=0; n<4; n++ )
+    {
+        if ( n > 0 && NumFor[n].Info().eScannedType != SvNumFormatType::UNDEFINED )
+        {
+            nSem++;
+        }
+        OUString aPrefix;
+
+        if ( !bDefaults )
+        {
+            switch ( n )
+            {
+            case 0 :
+                lcl_SvNumberformat_AddLimitStringImpl( aPrefix, eOp1,
+                                                       fLimit1, rLocWrp.getNumDecimalSep() );
+                break;
+            case 1 :
+                lcl_SvNumberformat_AddLimitStringImpl( aPrefix, eOp2,
+                                                       fLimit2, rLocWrp.getNumDecimalSep() );
+                break;
+            }
+        }
+
+        const OUString& rColorName = NumFor[n].GetColorName();
+        if ( !rColorName.isEmpty() )
+        {
+            const NfKeywordTable & rKey = rScan.GetKeywords();
+            for ( int j = NF_KEY_FIRSTCOLOR; j <= NF_KEY_LASTCOLOR; j++ )
+            {
+                if ( rKey[j] == rColorName )
+                {
+                    aPrefix += "[" + rKeywords[j] + "]";
+                    break;  // for
+                }
+            }
+        }
+
+        SvNumberNatNum aNatNum = NumFor[n].GetNatNum();
+        bool bDBNumInserted = false;
+        if (aNatNum.IsComplete() && (aNatNum.GetDBNum() > 0 || nOriginalLang != LANGUAGE_DONTKNOW))
+        {   // GetFormatStringForExcel() may have changed language to en_US
+            if (aNatNum.GetLang() == LANGUAGE_ENGLISH_US && nOriginalLang != LANGUAGE_DONTKNOW)
+                aNatNum.SetLang( nOriginalLang );
+            if ( aNatNum.GetDBNum() > 0 )
+            {
+                aPrefix += "[DBNum" + OUString::number( aNatNum.GetDBNum() ) + "]";
+                bDBNumInserted = true;
+            }
+        }
+
+        sal_uInt16 nCnt = NumFor[n].GetCount();
+        if ( nSem && (nCnt || !aPrefix.isEmpty()) )
+        {
+            for ( ; nSem; --nSem )
+            {
+                aStr.append( ';' );
+            }
+            for ( ; nSub <= n; ++nSub )
+            {
+                bDefault[nSub] = false;
+            }
+        }
+
+        if ( !aPrefix.isEmpty() )
+        {
+            aStr.append( aPrefix );
+        }
+        sal_Int32 nPosHaveLCID = -1;
+        sal_Int32 nPosInsertLCID = aStr.getLength();
+        sal_uInt32 nCalendarID = 0x0000000; // Excel ID of calendar used in sub-format see tdf#36038
+        constexpr sal_uInt32 kCalGengou = 0x0030000;
+        if ( nCnt )
+        {
+            auto& rTypeArray = NumFor[n].Info().nTypeArray;
+            auto& rStrArray = NumFor[n].Info().sStrArray;
+            for ( sal_uInt16 j=0; j<nCnt; j++ )
+            {
+                if ( 0 <= rTypeArray[j] && rTypeArray[j] < NF_KEYWORD_ENTRIES_COUNT )
+                {
+                    aStr.append( rKeywords[rTypeArray[j]] );
+                    if( NF_KEY_NNNN == rTypeArray[j] )
+                    {
+                        aStr.append( rLocWrp.getLongDateDayOfWeekSep() );
+                    }
+                    switch (rTypeArray[j])
+                    {
+                        case NF_KEY_EC:
+                        case NF_KEY_EEC:
+                        case NF_KEY_R:
+                        case NF_KEY_RR:
+                            // Implicit secondary (non-gregorian) calendar.
+                            // Currently only for ja-JP.
+                            /* TODO: same for all locales in
+                             * LocaleDataWrapper::doesSecondaryCalendarUseEC() ?
+                             * Should split the locales off that then. */
+                            if (!nCalendarID)
+                            {
+                                const LanguageType nLang = MsLangId::getRealLanguage( nOriginalLang);
+                                if (nLang == LANGUAGE_JAPANESE)
+                                    nCalendarID = kCalGengou;
+                            }
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                }
+                else
+                {
+                    switch ( rTypeArray[j] )
+                    {
+                    case NF_SYMBOLTYPE_DECSEP :
+                        aStr.append( rLocWrp.getNumDecimalSep() );
+                        break;
+                    case NF_SYMBOLTYPE_THSEP :
+                        aStr.append( rLocWrp.getNumThousandSep() );
+                        break;
+                    case NF_SYMBOLTYPE_EXP :
+                        aStr.append( rKeywords[NF_KEY_E] );
+                        if ( rStrArray[j].getLength() > 1 && rStrArray[j][1] == '+' )
+                            aStr.append( "+" );
+                        else
+                        // tdf#102370: Excel code for exponent without sign
+                            aStr.append( "-" );
+                        break;
+                    case NF_SYMBOLTYPE_DATESEP :
+                        aStr.append( rLocWrp.getDateSep() );
+                        break;
+                    case NF_SYMBOLTYPE_TIMESEP :
+                        aStr.append( rLocWrp.getTimeSep() );
+                        break;
+                    case NF_SYMBOLTYPE_TIME100SECSEP :
+                        aStr.append( rLocWrp.getTime100SecSep() );
+                        break;
+                    case NF_SYMBOLTYPE_FRACBLANK :
+                    case NF_SYMBOLTYPE_STRING :
+                        if ( rStrArray[j].getLength() == 1 )
+                        {
+                            if ( rTypeArray[j] == NF_SYMBOLTYPE_STRING )
+                                aStr.append( '\\' );
+                            aStr.append( rStrArray[j] );
+                        }
+                        else
+                        {
+                            aStr.append( "\"" + rStrArray[j] + "\"" );
+                        }
+                        break;
+                    case NF_SYMBOLTYPE_CALDEL :
+                        if (j + 1 >= nCnt)
+                            break;
+                        if ( rStrArray[j+1] == "gengou" )
+                        {
+                            nCalendarID = kCalGengou;
+                        }
+                        else if ( rStrArray[j+1] == "hijri" )
+                        {
+                            nCalendarID = 0x0060000;
+                        }
+                        else if ( rStrArray[j+1] == "buddhist" )
+                        {
+                            nCalendarID = 0x0070000;
+                        }
+                        else if ( rStrArray[j+1] == "jewish" )
+                        {
+                            nCalendarID = 0x0080000;
+                        }
+                        // Other calendars (see tdf#36038) not corresponding between LibO and XL.
+                        // However, skip any calendar modifier and don't write
+                        // as format code (if not as literal string).
+                        j += 2;
+                        break;
+                    case NF_SYMBOLTYPE_CURREXT :
+                        nPosHaveLCID = aStr.getLength();
+                        aStr.append( rStrArray[j] );
+                        break;
+                    default:
+                        aStr.append( rStrArray[j] );
+                    }
+                }
+            }
+        }
+        sal_uInt32 nAlphabetID = 0x0000000; // Excel ID of alphabet used for numerals see tdf#36038
+        LanguageType nLanguageID = LANGUAGE_SYSTEM;
+        if ( aNatNum.IsComplete() )
+        {
+            nLanguageID = MsLangId::getRealLanguage( aNatNum.GetLang());
+            if ( aNatNum.GetNatNum() == 0 )
+            {
+                nAlphabetID = 0x01000000;  // Arabic-european numerals
+            }
+            else if ( nCalendarID > 0 || aNatNum.GetDBNum() == 0 || aNatNum.GetDBNum() == aNatNum.GetNatNum() )
+            {   // if no DBNum code then use long LCID
+                // if DBNum value != NatNum value, use DBNum and not extended LCID
+                // if calendar, then DBNum will be removed
+                LanguageType pri = primary(nLanguageID);
+                if ( pri == LANGUAGE_ARABIC_PRIMARY_ONLY )
+                        nAlphabetID = 0x02000000;  // Arabic-indic numerals
+                else if ( pri == primary(LANGUAGE_FARSI) )
+                        nAlphabetID = 0x03000000;  // Farsi numerals
+                else if ( pri.anyOf(
+                    primary(LANGUAGE_HINDI),
+                    primary(LANGUAGE_MARATHI),
+                    primary(LANGUAGE_NEPALI) ))
+                        nAlphabetID = 0x04000000;  // Devanagari numerals
+                else if ( pri == primary(LANGUAGE_BENGALI) )
+                        nAlphabetID = 0x05000000;  // Bengali numerals
+                else if ( pri == primary(LANGUAGE_PUNJABI) )
+                {
+                    if ( nLanguageID == LANGUAGE_PUNJABI_ARABIC_LSO )
+                        nAlphabetID =  0x02000000;  // Arabic-indic numerals
+                    else
+                        nAlphabetID = 0x06000000;  // Punjabi numerals
+                }
+                else if ( pri == primary(LANGUAGE_GUJARATI) )
+                        nAlphabetID = 0x07000000;  // Gujarati numerals
+                else if ( pri == primary(LANGUAGE_ODIA))
+                        nAlphabetID = 0x08000000;  // Odia (Oriya) numerals
+                else if ( pri == primary(LANGUAGE_TAMIL))
+                        nAlphabetID = 0x09000000;  // Tamil numerals
+                else if ( pri == primary(LANGUAGE_TELUGU))
+                        nAlphabetID = 0x0A000000;  // Telugu numerals
+                else if ( pri == primary(LANGUAGE_KANNADA))
+                        nAlphabetID = 0x0B000000;  // Kannada numerals
+                else if ( pri == primary(LANGUAGE_MALAYALAM))
+                        nAlphabetID = 0x0C000000;  // Malayalam numerals
+                else if ( pri == primary(LANGUAGE_THAI))
+                {
+                    // The Thai T NatNum modifier during Xcl export.
+                    if ( rKeywords[NF_KEY_THAI_T] == "T" )
+                        nAlphabetID = 0x0D000000;  // Thai numerals
+                }
+                else if ( pri == primary(LANGUAGE_LAO))
+                        nAlphabetID = 0x0E000000;  // Lao numerals
+                else if ( pri == primary(LANGUAGE_TIBETAN))
+                        nAlphabetID = 0x0F000000;  // Tibetan numerals
+                else if ( pri == primary(LANGUAGE_BURMESE))
+                        nAlphabetID = 0x10000000;  // Burmese numerals
+                else if ( pri == primary(LANGUAGE_TIGRIGNA_ETHIOPIA))
+                        nAlphabetID = 0x11000000;  // Tigrigna numerals
+                else if ( pri == primary(LANGUAGE_KHMER))
+                        nAlphabetID = 0x12000000;  // Khmer numerals
+                else if ( pri == primary(LANGUAGE_MONGOLIAN_MONGOLIAN_MONGOLIA))
+                {
+                    if ( nLanguageID != LANGUAGE_MONGOLIAN_CYRILLIC_MONGOLIA
+                      && nLanguageID != LANGUAGE_MONGOLIAN_CYRILLIC_LSO )
+                        nAlphabetID = 0x13000000;  // Mongolian numerals
+                }
+                    // CJK numerals
+                else if ( pri == primary(LANGUAGE_JAPANESE))
+                {
+                    nAlphabetID = 0x1B;
+                    lcl_incrementAlphabetWithNatNum ( nAlphabetID, aNatNum.GetNatNum() );
+                }
+                else if ( pri == primary(LANGUAGE_CHINESE))
+                {
+                    if ( nLanguageID == LANGUAGE_CHINESE_TRADITIONAL
+                      || nLanguageID == LANGUAGE_CHINESE_HONGKONG
+                      || nLanguageID == LANGUAGE_CHINESE_MACAU )
+                    {
+                        nAlphabetID = 0x21;
+                        lcl_incrementAlphabetWithNatNum ( nAlphabetID, aNatNum.GetNatNum() );
+                    }
+                    else // LANGUAGE_CHINESE_SIMPLIFIED
+                    {
+                        nAlphabetID = 0x1E;
+                        lcl_incrementAlphabetWithNatNum ( nAlphabetID, aNatNum.GetNatNum() );
+                    }
+                }
+                else if ( pri == primary(LANGUAGE_KOREAN))
+                {
+                    if ( aNatNum.GetNatNum() == 9 ) // Hangul
+                    {
+                        nAlphabetID = 0x27000000;
+                    }
+                    else
+                    {
+                        nAlphabetID = 0x24;
+                        lcl_incrementAlphabetWithNatNum ( nAlphabetID, aNatNum.GetNatNum() );
+                    }
+                }
+            }
+            // Add LCID to DBNum
+            if ( aNatNum.GetDBNum() > 0 && nLanguageID == LANGUAGE_SYSTEM )
+                nLanguageID = MsLangId::getRealLanguage( aNatNum.GetLang());
+        }
+        else if (nPosHaveLCID < 0)
+        {
+            // Do not insert a duplicated LCID that was already given with a
+            // currency format as [$R-1C09]
+            if (!bSystemLanguage && nOriginalLang != LANGUAGE_DONTKNOW)
+            {
+                // Explicit locale, write only to the first subformat.
+                if (n == 0)
+                    nLanguageID = MsLangId::getRealLanguage( nOriginalLang);
+            }
+            else if (bSystemLanguage && maLocale.meLanguageWithoutLocaleData != LANGUAGE_DONTKNOW)
+            {
+                // Explicit locale but no locale data thus assigned to system
+                // locale, preserve for roundtrip, write only to the first
+                // subformat.
+                if (n == 0)
+                    nLanguageID = maLocale.meLanguageWithoutLocaleData;
+            }
+        }
+        if ( nCalendarID > 0 )
+        {   // Add alphabet and language to calendar
+            if ( nAlphabetID == 0 )
+                nAlphabetID = 0x01000000;
+            if ( nLanguageID == LANGUAGE_SYSTEM && nOriginalLang != LANGUAGE_DONTKNOW )
+                nLanguageID = nOriginalLang;
+        }
+        lcl_insertLCID( aStr, nAlphabetID + nCalendarID + static_cast<sal_uInt16>(nLanguageID), nPosInsertLCID,
+                bDBNumInserted);
+    }
+    for ( ; nSub<4 && bDefault[nSub]; ++nSub )
+    {   // append empty subformats
+        aStr.append( ';' );
+    }
+    return aStr.makeStringAndClear();
+}
+
+OUString SvNumberformat::ImpGetNatNumString( const SvNumberNatNum& rNum,
+                                           sal_Int64 nVal, sal_uInt16 nMinDigits ) const
+{
+    OUString aStr;
+    if ( nMinDigits )
+    {
+        if ( nMinDigits == 2 )
+        {
+            // speed up the most common case
+            if ( 0 <= nVal && nVal < 10 )
+            {
+                sal_Unicode aBuf[2];
+                aBuf[0] = '0';
+                aBuf[1] = '0' + nVal;
+                aStr = OUString(aBuf, SAL_N_ELEMENTS(aBuf));
+            }
+            else
+            {
+                aStr = OUString::number( nVal );
+            }
+        }
+        else
+        {
+            OUString aValStr( OUString::number( nVal ) );
+            if ( aValStr.getLength() >= nMinDigits )
+            {
+                aStr = aValStr;
+            }
+            else
+            {
+                OUStringBuffer aBuf;
+                for(sal_Int32 index = 0; index < nMinDigits - aValStr.getLength(); ++index)
+                {
+                    aBuf.append('0');
+                }
+                aBuf.append(aValStr);
+                aStr = aBuf.makeStringAndClear();
+            }
+        }
+    }
+    else
+    {
+        aStr = OUString::number( nVal );
+    }
+    return impTransliterate(aStr, rNum);
+}
+
+OUString SvNumberformat::impTransliterateImpl(const OUString& rStr,
+                                              const SvNumberNatNum& rNum ) const
+{
+    css::lang::Locale aLocale( LanguageTag( rNum.GetLang() ).getLocale() );
+    return GetFormatter().GetNatNum()->getNativeNumberStringParams(rStr, aLocale, rNum.GetNatNum(),
+                                                                   rNum.GetParams());
+}
+
+void SvNumberformat::impTransliterateImpl(OUStringBuffer& rStr,
+                                          const SvNumberNatNum& rNum ) const
+{
+    css::lang::Locale aLocale( LanguageTag( rNum.GetLang() ).getLocale() );
+
+    rStr = GetFormatter().GetNatNum()->getNativeNumberStringParams(
+        OUString::unacquired(rStr), aLocale, rNum.GetNatNum(), rNum.GetParams());
+}
+
+OUString SvNumberformat::impTransliterateImpl(const OUString& rStr,
+                                              const SvNumberNatNum& rNum,
+                                              const sal_uInt16 nDateKey) const
+{
+    // no KEYWORD=argument list in NatNum12
+    if (rNum.GetParams().indexOf('=') == -1)
+        return impTransliterateImpl( rStr, rNum);
+
+    const NfKeywordTable & rKeywords = rScan.GetKeywords();
+
+    // Format: KEYWORD=numbertext_prefix, ..., for example:
+    // [NatNum12 YYYY=title ordinal,MMMM=article, D=ordinal-number]
+    sal_Int32 nField = -1;
+    do
+    {
+        nField = rNum.GetParams().indexOf(Concat2View(rKeywords[nDateKey] + "="), ++nField);
+    }
+    while (nField != -1 && nField != 0 &&
+            (rNum.GetParams()[nField - 1] != ',' &&
+              rNum.GetParams()[nField - 1] != ' '));
+
+    // no format specified for actual keyword
+    if (nField == -1)
+        return rStr;
+
+    sal_Int32 nKeywordLen = rKeywords[nDateKey].getLength() + 1;
+    sal_Int32 nFieldEnd = rNum.GetParams().indexOf(',', nField);
+
+    if (nFieldEnd == -1)
+        nFieldEnd = rNum.GetParams().getLength();
+
+    css::lang::Locale aLocale( LanguageTag( rNum.GetLang() ).getLocale() );
+
+    return GetFormatter().GetNatNum()->getNativeNumberStringParams(
+        rStr, aLocale, rNum.GetNatNum(),
+        rNum.GetParams().copy(nField + nKeywordLen, nFieldEnd - nField - nKeywordLen));
+}
+
+void SvNumberformat::GetNatNumXml( css::i18n::NativeNumberXmlAttributes2& rAttr,
+                                   sal_uInt16 nNumFor ) const
+{
+    if ( nNumFor <= 3 )
+    {
+        const SvNumberNatNum& rNum = NumFor[nNumFor].GetNatNum();
+        if ( rNum.IsSet() )
+        {
+            css::lang::Locale aLocale(
+                    LanguageTag( rNum.GetLang() ).getLocale() );
+
+            /* TODO: a new XNativeNumberSupplier2::convertToXmlAttributes()
+             * should rather return NativeNumberXmlAttributes2 and places
+             * adapted, and whether to fill Spellout or something different
+             * should be internal there. */
+            css::i18n::NativeNumberXmlAttributes aTmp(
+                    GetFormatter().GetNatNum()->convertToXmlAttributes(
+                        aLocale, rNum.GetNatNum()));
+            rAttr.Locale = aTmp.Locale;
+            rAttr.Format = aTmp.Format;
+            rAttr.Style = aTmp.Style;
+            if ( NatNumTakesParameters(rNum.GetNatNum()) )
+            {
+                // NatNum12 spell out numbers, dates and money amounts
+                rAttr.Spellout = rNum.GetParams();
+                // Mutually exclusive.
+                rAttr.Format.clear();
+                rAttr.Style.clear();
+            }
+            else
+            {
+                rAttr.Spellout.clear();
+            }
+        }
+        else
+        {
+            rAttr = css::i18n::NativeNumberXmlAttributes2();
+        }
+    }
+    else
+    {
+        rAttr = css::i18n::NativeNumberXmlAttributes2();
+    }
+}
+
+OUString SvNumberformat::GetNatNumModifierString( sal_uInt16 nNumFor ) const
+{
+    if ( nNumFor > 3 )
+        return "";
+    const SvNumberNatNum& rNum = NumFor[nNumFor].GetNatNum();
+    if ( !rNum.IsSet() )
+        return "";
+    const sal_Int32 nNum = rNum.GetNatNum();
+    OUStringBuffer sNatNumModifier = "[NatNum" + OUString::number( nNum );
+    if ( NatNumTakesParameters( nNum ) )
+    {
+        sNatNumModifier.append( " " + rNum.GetParams() );
+    }
+    sNatNumModifier.append( "]" );
+
+    return sNatNumModifier.makeStringAndClear();
+}
+
+// static
+bool SvNumberformat::HasStringNegativeSign( const OUString& rStr )
+{
+    // For Sign '-' needs to be at the start or at the end of the string (blanks ignored)
+    sal_Int32 nLen = rStr.getLength();
+    if ( !nLen )
+    {
+        return false;
+    }
+    const sal_Unicode* const pBeg = rStr.getStr();
+    const sal_Unicode* const pEnd = pBeg + nLen;
+    const sal_Unicode* p = pBeg;
+    do
+    {   // Start
+        if ( *p == '-' )
+        {
+            return true;
+        }
+    }
+    while ( *p == ' ' && ++p < pEnd );
+
+    p = pEnd - 1;
+
+    do
+    {   // End
+        if ( *p == '-' )
+        {
+            return true;
+        }
+    }
+    while ( *p == ' ' && pBeg < --p );
+    return false;
+}
+
+// static
+bool SvNumberformat::IsInQuote( const OUString& rStr, sal_Int32 nPos,
+                                sal_Unicode cQuote, sal_Unicode cEscIn, sal_Unicode cEscOut )
+{
+    sal_Int32 nLen = rStr.getLength();
+    if ( nPos >= nLen )
+    {
+        return false;
+    }
+    const sal_Unicode* p0 = rStr.getStr();
+    const sal_Unicode* p = p0;
+    const sal_Unicode* p1 = p0 + nPos;
+    bool bQuoted = false;
+    while ( p <= p1 )
+    {
+        if ( *p == cQuote )
+        {
+            if ( p == p0 )
+            {
+                bQuoted = true;
+            }
+            else if ( bQuoted )
+            {
+                if ( *(p-1) != cEscIn )
+                {
+                    bQuoted = false;
+                }
+            }
+            else
+            {
+                if ( *(p-1) != cEscOut )
+                {
+                    bQuoted = true;
+                }
+            }
+        }
+        p++;
+    }
+    return bQuoted;
+}
+
+// static
+sal_Int32 SvNumberformat::GetQuoteEnd( const OUString& rStr, sal_Int32 nPos,
+                                       sal_Unicode cQuote, sal_Unicode cEscIn )
+{
+    if ( nPos < 0 )
+    {
+        return -1;
+    }
+    sal_Int32 nLen = rStr.getLength();
+    if ( nPos >= nLen )
+    {
+        return -1;
+    }
+    if ( !IsInQuote( rStr, nPos, cQuote, cEscIn ) )
+    {
+        if ( rStr[ nPos ] == cQuote )
+        {
+            return nPos; // Closing cQuote
+        }
+        return -1;
+    }
+    const sal_Unicode* p0 = rStr.getStr();
+    const sal_Unicode* p = p0 + nPos;
+    const sal_Unicode* p1 = p0 + nLen;
+    while ( p < p1 )
+    {
+        if ( *p == cQuote && p > p0 && *(p-1) != cEscIn )
+        {
+            return sal::static_int_cast< sal_Int32 >(p - p0);
+        }
+        p++;
+    }
+    return nLen; // End of String
+}
+
+sal_uInt16 SvNumberformat::GetNumForNumberElementCount( sal_uInt16 nNumFor ) const
+{
+    if ( nNumFor < 4 )
+    {
+        sal_uInt16 nCnt = NumFor[nNumFor].GetCount();
+        return nCnt - ImpGetNumForStringElementCount( nNumFor );
+    }
+    return 0;
+}
+
+sal_uInt16 SvNumberformat::ImpGetNumForStringElementCount( sal_uInt16 nNumFor ) const
+{
+    sal_uInt16 nCnt = 0;
+    sal_uInt16 nNumForCnt = NumFor[nNumFor].GetCount();
+    auto& rTypeArray = NumFor[nNumFor].Info().nTypeArray;
+    for ( sal_uInt16 j=0; j<nNumForCnt; ++j )
+    {
+        switch ( rTypeArray[j] )
+        {
+        case NF_SYMBOLTYPE_STRING:
+        case NF_SYMBOLTYPE_CURRENCY:
+        case NF_SYMBOLTYPE_DATESEP:
+        case NF_SYMBOLTYPE_TIMESEP:
+        case NF_SYMBOLTYPE_TIME100SECSEP:
+        case NF_SYMBOLTYPE_PERCENT:
+            ++nCnt;
+            break;
+        }
+    }
+    return nCnt;
+}
+
+bool SvNumberformat::IsMinuteSecondFormat() const
+{
+    if (GetMaskedType() != SvNumFormatType::TIME)
+        return false;
+
+    constexpr sal_uInt16 k00 = 0x00;    // Nada, Nilch
+    constexpr sal_uInt16 kLB = 0x01;    // '[' Left Bracket
+    constexpr sal_uInt16 kRB = 0x02;    // ']' Right Bracket
+    constexpr sal_uInt16 kMM = 0x04;    // M or MM
+    constexpr sal_uInt16 kTS = 0x08;    // Time Separator
+    constexpr sal_uInt16 kSS = 0x10;    // S or SS
+#define HAS_MINUTE_SECOND(state) ((state) == (kMM|kTS|kSS) || (state) == (kLB|kMM|kRB|kTS|kSS))
+    // Also (kMM|kTS|kLB|kSS|kRB) but those are the same bits.
+
+    sal_uInt16 nState = k00;
+    bool bSep = false;
+    sal_uInt16 nNumForCnt = NumFor[0].GetCount();
+    auto const & rTypeArray = NumFor[0].Info().nTypeArray;
+    for (sal_uInt16 j=0; j < nNumForCnt; ++j)
+    {
+        switch (rTypeArray[j])
+        {
+            case NF_SYMBOLTYPE_DEL:
+                {
+                    // '[' or ']' before/after MM or SS
+                    const OUString& rStr = NumFor[0].Info().sStrArray[j];
+                    if (rStr == "[")
+                    {
+                        if (nState != k00 && nState != (kMM|kTS))
+                            return false;
+                        nState |= kLB;
+                    }
+                    else if (rStr == "]")
+                    {
+                        if (nState != (kLB|kMM) && nState != (kMM|kTS|kLB|kSS))
+                            return false;
+                        nState |= kRB;
+                    }
+                    else
+                        return false;
+                }
+            break;
+            case NF_KEY_MI:
+            case NF_KEY_MMI:
+                if (nState != k00 && nState != kLB)
+                    return false;
+                nState |= kMM;
+            break;
+            case NF_SYMBOLTYPE_TIMESEP:
+                if (nState != kMM && nState != (kLB|kMM|kRB))
+                    return false;
+                nState |= kTS;
+            break;
+            case NF_KEY_S:
+            case NF_KEY_SS:
+                if (nState != (kMM|kTS) && nState != (kLB|kMM|kRB|kTS) && nState != (kMM|kTS|kLB))
+                    return false;
+                nState |= kSS;
+            break;
+            case NF_SYMBOLTYPE_TIME100SECSEP:
+                // Trailing fraction of seconds allowed.
+                if (!HAS_MINUTE_SECOND(nState))
+                    return false;
+                bSep = true;
+            break;
+            case NF_SYMBOLTYPE_DIGIT:
+                if (!bSep)
+                    return false;
+            break;
+            case NF_SYMBOLTYPE_STRING:
+                // nothing, display literal
+            break;
+            default:
+                return false;
+        }
+    }
+    return HAS_MINUTE_SECOND(nState);
+#undef HAS_MINUTE_SECOND
+}
+
+OUString SvNumberformat::GetFormatStringForTimePrecision( int nPrecision ) const
+{
+    OUStringBuffer sString;
+    using comphelper::string::padToLength;
+
+    sal_uInt16 nNumForCnt = NumFor[0].GetCount();
+    auto const & rTypeArray = NumFor[0].Info().nTypeArray;
+    for (sal_uInt16 j=0; j < nNumForCnt; ++j)
+    {
+        switch (rTypeArray[j])
+        {
+            case NF_KEY_S :
+            case NF_KEY_SS:
+                sString.append( NumFor[0].Info().sStrArray[j] );
+                if ( j > 0 && rTypeArray[j-1] == NF_SYMBOLTYPE_DEL && j < nNumForCnt-1 )
+                {
+                    j++;
+                    sString.append( NumFor[0].Info().sStrArray[j] );
+                }
+                if (nPrecision > 0)
+                {
+                    sString.append( rLoc().getTime100SecSep() );
+                    padToLength(sString, sString.getLength() + nPrecision, '0');
+                }
+                break;
+            case NF_SYMBOLTYPE_TIME100SECSEP:
+            case NF_SYMBOLTYPE_DIGIT:
+                break;
+            case NF_SYMBOLTYPE_STRING:
+                sString.append( "\"" );
+                [[fallthrough]];
+            default:
+                sString.append( NumFor[0].Info().sStrArray[j] );
+                if (rTypeArray[j] == NF_SYMBOLTYPE_STRING)
+                {
+                    sString.append( "\"" );
+                }
+        }
+    }
+
+    return sString.makeStringAndClear();
+}
+
+sal_uInt16 SvNumberformat::GetThousandDivisorPrecision( sal_uInt16 nIx ) const
+{
+    if (nIx >= 4)
+        return 0;
+
+    const ImpSvNumberformatInfo& rInfo = NumFor[nIx].Info();
+
+    if (rInfo.eScannedType != SvNumFormatType::NUMBER && rInfo.eScannedType != SvNumFormatType::CURRENCY)
+        return 0;
+
+    if (rInfo.nThousand == FLAG_STANDARD_IN_FORMAT)
+        return SvNumberFormatter::UNLIMITED_PRECISION;
+
+    return rInfo.nThousand * 3;
+}
+
+const CharClass& SvNumberformat::rChrCls() const
+{
+    return rScan.GetChrCls();
+}
+
+const LocaleDataWrapper& SvNumberformat::rLoc() const
+{
+    return rScan.GetLoc();
+}
+
+CalendarWrapper& SvNumberformat::GetCal() const
+{
+    return rScan.GetCal();
+}
+
+const SvNumberFormatter& SvNumberformat::GetFormatter() const
+{
+    return *rScan.GetNumberformatter();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zforscan.cxx b/svl/source/numbers/zforscan.cxx
new file mode 100644
index 0000000000..537c19415f
--- /dev/null
+++ b/svl/source/numbers/zforscan.cxx
@@ -0,0 +1,3332 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <stdlib.h>
+#include <comphelper/string.hxx>
+#include <sal/log.hxx>
+#include <tools/debug.hxx>
+#include <i18nlangtag/mslangid.hxx>
+#include <unotools/charclass.hxx>
+#include <unotools/localedatawrapper.hxx>
+#include <com/sun/star/i18n/NumberFormatCode.hpp>
+#include <com/sun/star/i18n/NumberFormatMapper.hpp>
+
+#include <svl/zforlist.hxx>
+#include <svl/zformat.hxx>
+#include <unotools/digitgroupingiterator.hxx>
+
+#include "zforscan.hxx"
+
+#include <svl/nfsymbol.hxx>
+using namespace svt;
+
+const sal_Unicode cNoBreakSpace = 0xA0;
+const sal_Unicode cNarrowNoBreakSpace = 0x202F;
+
+const int MaxCntPost = 20; //max dec places allow by rtl_math_round
+
+const NfKeywordTable ImpSvNumberformatScan::sEnglishKeyword =
+{             // Syntax keywords in English (USA)
+    //! All keywords MUST be UPPERCASE! In same order as NfKeywordIndex
+    "",        // NF_KEY_NONE 0
+    "E",       // NF_KEY_E Exponent
+    "AM/PM",   // NF_KEY_AMPM AM/PM
+    "A/P",     // NF_KEY_AP AM/PM short
+    "M",       // NF_KEY_MI Minute
+    "MM",      // NF_KEY_MMI Minute 02
+    "M",       // NF_KEY_M month        (!)
+    "MM",      // NF_KEY_MM month 02     (!)
+    "MMM",     // NF_KEY_MMM month short name
+    "MMMM",    // NF_KEY_MMMM month long name
+    "MMMMM",   // NF_KEY_MMMMM first letter of month name
+    "H",       // NF_KEY_H hour
+    "HH",      // NF_KEY_HH hour 02
+    "S",       // NF_KEY_S Second
+    "SS",      // NF_KEY_SS Second 02
+    "Q",       // NF_KEY_Q Quarter short 'Q'
+    "QQ",      // NF_KEY_QQ Quarter long
+    "D",       // NF_KEY_D day of month
+    "DD",      // NF_KEY_DD day of month 02
+    "DDD",     // NF_KEY_DDD day of week short
+    "DDDD",    // NF_KEY_DDDD day of week long
+    "YY",      // NF_KEY_YY year two digits
+    "YYYY",    // NF_KEY_YYYY year four digits
+    "NN",      // NF_KEY_NN Day of week short
+    "NNN",     // NF_KEY_NNN Day of week long
+    "NNNN",    // NF_KEY_NNNN Day of week long incl. separator
+    "AAA",     // NF_KEY_AAA
+    "AAAA",    // NF_KEY_AAAA
+    "E",       // NF_KEY_EC
+    "EE",      // NF_KEY_EEC
+    "G",       // NF_KEY_G
+    "GG",      // NF_KEY_GG
+    "GGG",     // NF_KEY_GGG
+    "R",       // NF_KEY_R
+    "RR",      // NF_KEY_RR
+    "WW",      // NF_KEY_WW Week of year
+    "t",       // NF_KEY_THAI_T Thai T modifier, speciality of Thai Excel, only
+                // used with Thai locale and converted to [NatNum1], only
+                // exception as lowercase
+    "CCC",     // NF_KEY_CCC Currency abbreviation
+    "BOOLEAN", // NF_KEY_BOOLEAN boolean
+    "GENERAL", // NF_KEY_GENERAL General / Standard
+
+    // Reserved words translated and color names follow:
+    "TRUE",    // NF_KEY_TRUE boolean true
+    "FALSE",   // NF_KEY_FALSE boolean false
+    "COLOR",   // NF_KEY_COLOR color
+        // colours
+    "BLACK",   // NF_KEY_BLACK
+    "BLUE",    // NF_KEY_BLUE
+    "GREEN",   // NF_KEY_GREEN
+    "CYAN",    // NF_KEY_CYAN
+    "RED",     // NF_KEY_RED
+    "MAGENTA", // NF_KEY_MAGENTA
+    "BROWN",   // NF_KEY_BROWN
+    "GREY",    // NF_KEY_GREY
+    "YELLOW",  // NF_KEY_YELLOW
+    "WHITE"    // NF_KEY_WHITE
+};
+
+const ::std::vector<Color> ImpSvNumberformatScan::StandardColor{
+    COL_BLACK,        COL_LIGHTBLUE, COL_LIGHTGREEN, COL_LIGHTCYAN, COL_LIGHTRED,
+    COL_LIGHTMAGENTA, COL_BROWN,     COL_GRAY,       COL_YELLOW,    COL_WHITE
+};
+
+// This vector will hold *only* the color names in German language.
+static const std::u16string_view& GermanColorName(size_t i)
+{
+    static const std::u16string_view sGermanColorNames[]{ u"FARBE",   u"SCHWARZ", u"BLAU",
+                                                          u"GRÜN",    u"CYAN",    u"ROT",
+                                                          u"MAGENTA", u"BRAUN",   u"GRAU",
+                                                          u"GELB",    u"WEISS" };
+    assert(i < SAL_N_ELEMENTS(sGermanColorNames));
+    return sGermanColorNames[i];
+}
+
+ImpSvNumberformatScan::ImpSvNumberformatScan( SvNumberFormatter* pFormatterP )
+    : maNullDate( 30, 12, 1899)
+    , eNewLnge(LANGUAGE_DONTKNOW)
+    , eTmpLnge(LANGUAGE_DONTKNOW)
+    , nCurrPos(-1)
+    , meKeywordLocalization(KeywordLocalization::AllowEnglish)
+{
+    pFormatter = pFormatterP;
+    xNFC = css::i18n::NumberFormatMapper::create( pFormatter->GetComponentContext() );
+    bConvertMode = false;
+    mbConvertDateOrder = false;
+    bConvertSystemToSystem = false;
+    bKeywordsNeedInit = true;            // locale dependent and not locale dependent keywords
+    bCompatCurNeedInit = true;           // locale dependent compatibility currency strings
+
+    static_assert( NF_KEY_BLACK - NF_KEY_COLOR == 1,        "bad FARBE(COLOR), SCHWARZ(BLACK) sequence");
+    static_assert( NF_KEY_FIRSTCOLOR - NF_KEY_COLOR == 1,   "bad color sequence");
+    static_assert( NF_MAX_DEFAULT_COLORS + 1 == 11,         "bad color count");
+    static_assert( NF_KEY_WHITE - NF_KEY_COLOR + 1 == 11,   "bad color sequence count");
+
+    nStandardPrec = 2;
+
+    Reset();
+}
+
+ImpSvNumberformatScan::~ImpSvNumberformatScan()
+{
+    Reset();
+}
+
+void ImpSvNumberformatScan::ChangeIntl( KeywordLocalization eKeywordLocalization )
+{
+    meKeywordLocalization = eKeywordLocalization;
+    bKeywordsNeedInit = true;
+    bCompatCurNeedInit = true;
+    // may be initialized by InitSpecialKeyword()
+    sKeyword[NF_KEY_TRUE].clear();
+    sKeyword[NF_KEY_FALSE].clear();
+}
+
+void ImpSvNumberformatScan::InitSpecialKeyword( NfKeywordIndex eIdx ) const
+{
+    switch ( eIdx )
+    {
+    case NF_KEY_TRUE :
+        const_cast<ImpSvNumberformatScan*>(this)->sKeyword[NF_KEY_TRUE] =
+            pFormatter->GetCharClass()->uppercase( pFormatter->GetLocaleData()->getTrueWord() );
+        if ( sKeyword[NF_KEY_TRUE].isEmpty() )
+        {
+            SAL_WARN( "svl.numbers", "InitSpecialKeyword: TRUE_WORD?" );
+            const_cast<ImpSvNumberformatScan*>(this)->sKeyword[NF_KEY_TRUE] = sEnglishKeyword[NF_KEY_TRUE];
+        }
+        break;
+    case NF_KEY_FALSE :
+        const_cast<ImpSvNumberformatScan*>(this)->sKeyword[NF_KEY_FALSE] =
+            pFormatter->GetCharClass()->uppercase( pFormatter->GetLocaleData()->getFalseWord() );
+        if ( sKeyword[NF_KEY_FALSE].isEmpty() )
+        {
+            SAL_WARN( "svl.numbers", "InitSpecialKeyword: FALSE_WORD?" );
+            const_cast<ImpSvNumberformatScan*>(this)->sKeyword[NF_KEY_FALSE] = sEnglishKeyword[NF_KEY_FALSE];
+        }
+        break;
+    default:
+        SAL_WARN( "svl.numbers", "InitSpecialKeyword: unknown request" );
+    }
+}
+
+void ImpSvNumberformatScan::InitCompatCur() const
+{
+    ImpSvNumberformatScan* pThis = const_cast<ImpSvNumberformatScan*>(this);
+    // currency symbol for old style ("automatic") compatibility format codes
+    pFormatter->GetCompatibilityCurrency( pThis->sCurSymbol, pThis->sCurAbbrev );
+    // currency symbol upper case
+    pThis->sCurString = pFormatter->GetCharClass()->uppercase( sCurSymbol );
+    bCompatCurNeedInit = false;
+}
+
+void ImpSvNumberformatScan::InitKeywords() const
+{
+    if ( !bKeywordsNeedInit )
+        return ;
+    const_cast<ImpSvNumberformatScan*>(this)->SetDependentKeywords();
+    bKeywordsNeedInit = false;
+}
+
+/** Extract the name of General, Standard, Whatever, ignoring leading modifiers
+    such as [NatNum1]. */
+static OUString lcl_extractStandardGeneralName( const OUString & rCode )
+{
+    OUString aStr;
+    const sal_Unicode* p = rCode.getStr();
+    const sal_Unicode* const pStop = p + rCode.getLength();
+    const sal_Unicode* pBeg = p;    // name begins here
+    bool bMod = false;
+    bool bDone = false;
+    while (p < pStop && !bDone)
+    {
+        switch (*p)
+        {
+        case '[':
+            bMod = true;
+            break;
+        case ']':
+            if (bMod)
+            {
+                bMod = false;
+                pBeg = p+1;
+            }
+            // else: would be a locale data error, easily to be spotted in
+            // UI dialog
+            break;
+        case ';':
+            if (!bMod)
+            {
+                bDone = true;
+                --p;    // put back, increment by one follows
+            }
+            break;
+        }
+        ++p;
+        if (bMod)
+        {
+            pBeg = p;
+        }
+    }
+    if (pBeg < p)
+    {
+        aStr = rCode.copy( pBeg - rCode.getStr(), p - pBeg);
+    }
+    return aStr;
+}
+
+void ImpSvNumberformatScan::SetDependentKeywords()
+{
+    using namespace ::com::sun::star;
+    using namespace ::com::sun::star::uno;
+
+    const CharClass* pCharClass = pFormatter->GetCharClass();
+    const LocaleDataWrapper* pLocaleData = pFormatter->GetLocaleData();
+    // #80023# be sure to generate keywords for the loaded Locale, not for the
+    // requested Locale, otherwise number format codes might not match
+    const LanguageTag& rLoadedLocale = pLocaleData->getLoadedLanguageTag();
+    LanguageType eLang = rLoadedLocale.getLanguageType( false);
+
+    bool bL10n = (meKeywordLocalization != KeywordLocalization::EnglishOnly);
+    if (bL10n)
+    {
+        // Check if this actually is a locale that uses any localized keywords,
+        // if not then disable localized keywords completely.
+        if ( !eLang.anyOf( LANGUAGE_GERMAN,
+                    LANGUAGE_GERMAN_SWISS,
+                    LANGUAGE_GERMAN_AUSTRIAN,
+                    LANGUAGE_GERMAN_LUXEMBOURG,
+                    LANGUAGE_GERMAN_LIECHTENSTEIN,
+                    LANGUAGE_DUTCH,
+                    LANGUAGE_DUTCH_BELGIAN,
+                    LANGUAGE_FRENCH,
+                    LANGUAGE_FRENCH_BELGIAN,
+                    LANGUAGE_FRENCH_CANADIAN,
+                    LANGUAGE_FRENCH_SWISS,
+                    LANGUAGE_FRENCH_LUXEMBOURG,
+                    LANGUAGE_FRENCH_MONACO,
+                    LANGUAGE_FINNISH,
+                    LANGUAGE_ITALIAN,
+                    LANGUAGE_ITALIAN_SWISS,
+                    LANGUAGE_DANISH,
+                    LANGUAGE_NORWEGIAN,
+                    LANGUAGE_NORWEGIAN_BOKMAL,
+                    LANGUAGE_NORWEGIAN_NYNORSK,
+                    LANGUAGE_SWEDISH,
+                    LANGUAGE_SWEDISH_FINLAND,
+                    LANGUAGE_PORTUGUESE,
+                    LANGUAGE_PORTUGUESE_BRAZILIAN,
+                    LANGUAGE_SPANISH_MODERN,
+                    LANGUAGE_SPANISH_DATED,
+                    LANGUAGE_SPANISH_MEXICAN,
+                    LANGUAGE_SPANISH_GUATEMALA,
+                    LANGUAGE_SPANISH_COSTARICA,
+                    LANGUAGE_SPANISH_PANAMA,
+                    LANGUAGE_SPANISH_DOMINICAN_REPUBLIC,
+                    LANGUAGE_SPANISH_VENEZUELA,
+                    LANGUAGE_SPANISH_COLOMBIA,
+                    LANGUAGE_SPANISH_PERU,
+                    LANGUAGE_SPANISH_ARGENTINA,
+                    LANGUAGE_SPANISH_ECUADOR,
+                    LANGUAGE_SPANISH_CHILE,
+                    LANGUAGE_SPANISH_URUGUAY,
+                    LANGUAGE_SPANISH_PARAGUAY,
+                    LANGUAGE_SPANISH_BOLIVIA,
+                    LANGUAGE_SPANISH_EL_SALVADOR,
+                    LANGUAGE_SPANISH_HONDURAS,
+                    LANGUAGE_SPANISH_NICARAGUA,
+                    LANGUAGE_SPANISH_PUERTO_RICO ))
+        {
+            bL10n = false;
+            meKeywordLocalization = KeywordLocalization::EnglishOnly;
+        }
+    }
+
+    // Init the current NfKeywordTable with English keywords.
+    sKeyword = sEnglishKeyword;
+
+    // Set the uppercase localized General name, e.g. Standard -> STANDARD
+    i18n::NumberFormatCode aFormat = xNFC->getFormatCode( NF_NUMBER_STANDARD, rLoadedLocale.getLocale() );
+    sNameStandardFormat = lcl_extractStandardGeneralName( aFormat.Code );
+    sKeyword[NF_KEY_GENERAL] = pCharClass->uppercase( sNameStandardFormat );
+
+    // Thai T NatNum special. Other locale's small letter 't' results in upper
+    // case comparison not matching but length does in conversion mode. Ugly.
+    if (eLang == LANGUAGE_THAI)
+    {
+        sKeyword[NF_KEY_THAI_T] = "T";
+    }
+    else
+    {
+        sKeyword[NF_KEY_THAI_T] = sEnglishKeyword[NF_KEY_THAI_T];
+    }
+
+    // boolean keywords
+    InitSpecialKeyword( NF_KEY_TRUE );
+    InitSpecialKeyword( NF_KEY_FALSE );
+
+    // Boolean equivalent format codes that are written to Excel files, may
+    // have been written to ODF as well, specifically if such loaded Excel file
+    // was saved as ODF, and shall result in proper Boolean again.
+    // "TRUE";"TRUE";"FALSE"
+    sBooleanEquivalent1 = "\"" + sKeyword[NF_KEY_TRUE] + "\";\"" +
+        sKeyword[NF_KEY_TRUE] + "\";\"" + sKeyword[NF_KEY_FALSE] + "\"";
+    // [>0]"TRUE";[<0]"TRUE";"FALSE"
+    sBooleanEquivalent2 = "[>0]\"" + sKeyword[NF_KEY_TRUE] + "\";[<0]\"" +
+        sKeyword[NF_KEY_TRUE] + "\";\"" + sKeyword[NF_KEY_FALSE] + "\"";
+
+    // compatibility currency strings
+    InitCompatCur();
+
+    if (!bL10n)
+        return;
+
+    // All locale dependent keywords overrides follow.
+
+    if ( eLang.anyOf(
+            LANGUAGE_GERMAN,
+            LANGUAGE_GERMAN_SWISS,
+            LANGUAGE_GERMAN_AUSTRIAN,
+            LANGUAGE_GERMAN_LUXEMBOURG,
+            LANGUAGE_GERMAN_LIECHTENSTEIN))
+    {
+        //! all capital letters
+        sKeyword[NF_KEY_M] =         "M";     // month 1
+        sKeyword[NF_KEY_MM] =        "MM";    // month 01
+        sKeyword[NF_KEY_MMM] =       "MMM";   // month Jan
+        sKeyword[NF_KEY_MMMM] =      "MMMM";  // month Januar
+        sKeyword[NF_KEY_MMMMM] =     "MMMMM"; // month J
+        sKeyword[NF_KEY_H] =         "H";     // hour 2
+        sKeyword[NF_KEY_HH] =        "HH";    // hour 02
+        sKeyword[NF_KEY_D] =         "T";
+        sKeyword[NF_KEY_DD] =        "TT";
+        sKeyword[NF_KEY_DDD] =       "TTT";
+        sKeyword[NF_KEY_DDDD] =      "TTTT";
+        sKeyword[NF_KEY_YY] =        "JJ";
+        sKeyword[NF_KEY_YYYY] =      "JJJJ";
+        sKeyword[NF_KEY_BOOLEAN] =   "LOGISCH";
+        sKeyword[NF_KEY_COLOR] =     GermanColorName(NF_KEY_COLOR - NF_KEY_COLOR);
+        sKeyword[NF_KEY_BLACK] =     GermanColorName(NF_KEY_BLACK - NF_KEY_COLOR);
+        sKeyword[NF_KEY_BLUE] =      GermanColorName(NF_KEY_BLUE - NF_KEY_COLOR);
+        sKeyword[NF_KEY_GREEN] =     GermanColorName(NF_KEY_GREEN - NF_KEY_COLOR);
+        sKeyword[NF_KEY_CYAN] =      GermanColorName(NF_KEY_CYAN - NF_KEY_COLOR);
+        sKeyword[NF_KEY_RED] =       GermanColorName(NF_KEY_RED - NF_KEY_COLOR);
+        sKeyword[NF_KEY_MAGENTA] =   GermanColorName(NF_KEY_MAGENTA - NF_KEY_COLOR);
+        sKeyword[NF_KEY_BROWN] =     GermanColorName(NF_KEY_BROWN - NF_KEY_COLOR);
+        sKeyword[NF_KEY_GREY] =      GermanColorName(NF_KEY_GREY - NF_KEY_COLOR);
+        sKeyword[NF_KEY_YELLOW] =    GermanColorName(NF_KEY_YELLOW - NF_KEY_COLOR);
+        sKeyword[NF_KEY_WHITE] =     GermanColorName(NF_KEY_WHITE - NF_KEY_COLOR);
+    }
+    else
+    {
+        // day
+        if ( eLang.anyOf(
+                LANGUAGE_ITALIAN,
+                LANGUAGE_ITALIAN_SWISS))
+        {
+            sKeyword[NF_KEY_D] = "G";
+            sKeyword[NF_KEY_DD] = "GG";
+            sKeyword[NF_KEY_DDD] = "GGG";
+            sKeyword[NF_KEY_DDDD] = "GGGG";
+            // must exchange the era code, same as Xcl
+            sKeyword[NF_KEY_G] = "X";
+            sKeyword[NF_KEY_GG] = "XX";
+            sKeyword[NF_KEY_GGG] = "XXX";
+        }
+        else if ( eLang.anyOf(
+                 LANGUAGE_FRENCH,
+                 LANGUAGE_FRENCH_BELGIAN,
+                 LANGUAGE_FRENCH_CANADIAN,
+                 LANGUAGE_FRENCH_SWISS,
+                 LANGUAGE_FRENCH_LUXEMBOURG,
+                 LANGUAGE_FRENCH_MONACO))
+        {
+            sKeyword[NF_KEY_D] = "J";
+            sKeyword[NF_KEY_DD] = "JJ";
+            sKeyword[NF_KEY_DDD] = "JJJ";
+            sKeyword[NF_KEY_DDDD] = "JJJJ";
+        }
+        else if ( eLang == LANGUAGE_FINNISH )
+        {
+            sKeyword[NF_KEY_D] = "P";
+            sKeyword[NF_KEY_DD] = "PP";
+            sKeyword[NF_KEY_DDD] = "PPP";
+            sKeyword[NF_KEY_DDDD] = "PPPP";
+        }
+
+        // month
+        if ( eLang == LANGUAGE_FINNISH )
+        {
+            sKeyword[NF_KEY_M] = "K";
+            sKeyword[NF_KEY_MM] = "KK";
+            sKeyword[NF_KEY_MMM] = "KKK";
+            sKeyword[NF_KEY_MMMM] = "KKKK";
+            sKeyword[NF_KEY_MMMMM] = "KKKKK";
+        }
+
+        // year
+        if ( eLang.anyOf(
+            LANGUAGE_ITALIAN,
+            LANGUAGE_ITALIAN_SWISS,
+            LANGUAGE_FRENCH,
+            LANGUAGE_FRENCH_BELGIAN,
+            LANGUAGE_FRENCH_CANADIAN,
+            LANGUAGE_FRENCH_SWISS,
+            LANGUAGE_FRENCH_LUXEMBOURG,
+            LANGUAGE_FRENCH_MONACO,
+            LANGUAGE_PORTUGUESE,
+            LANGUAGE_PORTUGUESE_BRAZILIAN,
+            LANGUAGE_SPANISH_MODERN,
+            LANGUAGE_SPANISH_DATED,
+            LANGUAGE_SPANISH_MEXICAN,
+            LANGUAGE_SPANISH_GUATEMALA,
+            LANGUAGE_SPANISH_COSTARICA,
+            LANGUAGE_SPANISH_PANAMA,
+            LANGUAGE_SPANISH_DOMINICAN_REPUBLIC,
+            LANGUAGE_SPANISH_VENEZUELA,
+            LANGUAGE_SPANISH_COLOMBIA,
+            LANGUAGE_SPANISH_PERU,
+            LANGUAGE_SPANISH_ARGENTINA,
+            LANGUAGE_SPANISH_ECUADOR,
+            LANGUAGE_SPANISH_CHILE,
+            LANGUAGE_SPANISH_URUGUAY,
+            LANGUAGE_SPANISH_PARAGUAY,
+            LANGUAGE_SPANISH_BOLIVIA,
+            LANGUAGE_SPANISH_EL_SALVADOR,
+            LANGUAGE_SPANISH_HONDURAS,
+            LANGUAGE_SPANISH_NICARAGUA,
+            LANGUAGE_SPANISH_PUERTO_RICO))
+        {
+            sKeyword[NF_KEY_YY] = "AA";
+            sKeyword[NF_KEY_YYYY] = "AAAA";
+            // must exchange the day of week name code, same as Xcl
+            sKeyword[NF_KEY_AAA] =   "OOO";
+            sKeyword[NF_KEY_AAAA] =  "OOOO";
+        }
+        else if ( eLang.anyOf(
+             LANGUAGE_DUTCH,
+             LANGUAGE_DUTCH_BELGIAN))
+        {
+            sKeyword[NF_KEY_YY] = "JJ";
+            sKeyword[NF_KEY_YYYY] = "JJJJ";
+        }
+        else if ( eLang == LANGUAGE_FINNISH )
+        {
+            sKeyword[NF_KEY_YY] = "VV";
+            sKeyword[NF_KEY_YYYY] = "VVVV";
+        }
+
+        // hour
+        if ( eLang.anyOf(
+             LANGUAGE_DUTCH,
+             LANGUAGE_DUTCH_BELGIAN))
+        {
+            sKeyword[NF_KEY_H] = "U";
+            sKeyword[NF_KEY_HH] = "UU";
+        }
+        else if ( eLang.anyOf(
+            LANGUAGE_FINNISH,
+            LANGUAGE_SWEDISH,
+            LANGUAGE_SWEDISH_FINLAND,
+            LANGUAGE_DANISH,
+            LANGUAGE_NORWEGIAN,
+            LANGUAGE_NORWEGIAN_BOKMAL,
+            LANGUAGE_NORWEGIAN_NYNORSK))
+        {
+            sKeyword[NF_KEY_H] = "T";
+            sKeyword[NF_KEY_HH] = "TT";
+        }
+    }
+}
+
+void ImpSvNumberformatScan::ChangeNullDate(sal_uInt16 nDay, sal_uInt16 nMonth, sal_Int16 nYear)
+{
+    Date aDate(nDay, nMonth, nYear);
+    if (!aDate.IsValidDate())
+    {
+        aDate.Normalize();
+        SAL_WARN("svl.numbers","ImpSvNumberformatScan::ChangeNullDate - not valid"
+                " d: " << nDay << " m: " << nMonth << " y: " << nYear << " normalized to"
+                " d: " << aDate.GetDay() << " m: " << aDate.GetMonth() << " y: " << aDate.GetYear());
+        // Slap the caller if really bad, like year 0.
+        assert(aDate.IsValidDate());
+    }
+    if (aDate.IsValidDate())
+        maNullDate = aDate;
+}
+
+void ImpSvNumberformatScan::ChangeStandardPrec(sal_uInt16 nPrec)
+{
+    nStandardPrec = nPrec;
+}
+
+const Color* ImpSvNumberformatScan::GetColor(OUString& sStr) const
+{
+    OUString sString = pFormatter->GetCharClass()->uppercase(sStr);
+    const NfKeywordTable & rKeyword = GetKeywords();
+    size_t i = 0;
+    while (i < NF_MAX_DEFAULT_COLORS && sString != rKeyword[NF_KEY_FIRSTCOLOR+i] )
+    {
+        i++;
+    }
+    if (i >= NF_MAX_DEFAULT_COLORS && meKeywordLocalization == KeywordLocalization::AllowEnglish)
+    {
+        LanguageType eLang = pFormatter->GetLocaleData()->getLoadedLanguageTag().getLanguageType( false);
+        if ( eLang.anyOf(
+                    LANGUAGE_GERMAN,
+                    LANGUAGE_GERMAN_SWISS,
+                    LANGUAGE_GERMAN_AUSTRIAN,
+                    LANGUAGE_GERMAN_LUXEMBOURG,
+                    LANGUAGE_GERMAN_LIECHTENSTEIN )) // only German uses localized color names
+        {
+            size_t j = 0;
+            while ( j < NF_MAX_DEFAULT_COLORS && sString != sEnglishKeyword[NF_KEY_FIRSTCOLOR + j] )
+            {
+                ++j;
+            }
+            if ( j < NF_MAX_DEFAULT_COLORS )
+            {
+                i = j;
+            }
+        }
+    }
+
+    enum ColorKeywordConversion
+    {
+        None,
+        GermanToEnglish,
+        EnglishToGerman
+    } eColorKeywordConversion(None);
+
+    if (bConvertMode)
+    {
+        const bool bFromGerman = eTmpLnge.anyOf(
+                LANGUAGE_GERMAN,
+                LANGUAGE_GERMAN_SWISS,
+                LANGUAGE_GERMAN_AUSTRIAN,
+                LANGUAGE_GERMAN_LUXEMBOURG,
+                LANGUAGE_GERMAN_LIECHTENSTEIN);
+        const bool bToGerman = eNewLnge.anyOf(
+                LANGUAGE_GERMAN,
+                LANGUAGE_GERMAN_SWISS,
+                LANGUAGE_GERMAN_AUSTRIAN,
+                LANGUAGE_GERMAN_LUXEMBOURG,
+                LANGUAGE_GERMAN_LIECHTENSTEIN);
+        if (bFromGerman && !bToGerman)
+            eColorKeywordConversion = ColorKeywordConversion::GermanToEnglish;
+        else if (!bFromGerman && bToGerman)
+            eColorKeywordConversion = ColorKeywordConversion::EnglishToGerman;
+    }
+
+    const Color* pResult = nullptr;
+    if (i >= NF_MAX_DEFAULT_COLORS)
+    {
+        const OUString& rColorWord = rKeyword[NF_KEY_COLOR];
+        bool bL10n = true;
+        if ((bL10n = sString.startsWith(rColorWord)) ||
+                ((meKeywordLocalization == KeywordLocalization::AllowEnglish) &&
+                 sString.startsWith(sEnglishKeyword[NF_KEY_COLOR])))
+        {
+            sal_Int32 nPos = (bL10n ? rColorWord.getLength() : sEnglishKeyword[NF_KEY_COLOR].getLength());
+            sStr = sStr.copy(nPos);
+            sStr = comphelper::string::strip(sStr, ' ');
+            switch (eColorKeywordConversion)
+            {
+                case ColorKeywordConversion::None:
+                    sStr = rColorWord + sStr;
+                break;
+                case ColorKeywordConversion::GermanToEnglish:
+                    sStr = sEnglishKeyword[NF_KEY_COLOR] + sStr;                    // Farbe -> COLOR
+                break;
+                case ColorKeywordConversion::EnglishToGerman:
+                    sStr = GermanColorName(NF_KEY_COLOR - NF_KEY_COLOR) + sStr;   // Color -> FARBE
+                break;
+            }
+            sString = sString.copy(nPos);
+            sString = comphelper::string::strip(sString, ' ');
+
+            if ( CharClass::isAsciiNumeric( sString ) )
+            {
+                sal_Int32 nIndex = sString.toInt32();
+                if (nIndex > 0 && nIndex <= 64)
+                {
+                    pResult = pFormatter->GetUserDefColor(static_cast<sal_uInt16>(nIndex)-1);
+                }
+            }
+        }
+    }
+    else
+    {
+        sStr.clear();
+        switch (eColorKeywordConversion)
+        {
+            case ColorKeywordConversion::None:
+                sStr = rKeyword[NF_KEY_FIRSTCOLOR+i];
+            break;
+            case ColorKeywordConversion::GermanToEnglish:
+                sStr = sEnglishKeyword[NF_KEY_FIRSTCOLOR + i];                  // Rot -> RED
+            break;
+            case ColorKeywordConversion::EnglishToGerman:
+                sStr = GermanColorName(NF_KEY_FIRSTCOLOR - NF_KEY_COLOR + i); // Red -> ROT
+            break;
+        }
+        pResult = &(StandardColor[i]);
+    }
+    return pResult;
+}
+
+short ImpSvNumberformatScan::GetKeyWord( const OUString& sSymbol, sal_Int32 nPos, bool& rbFoundEnglish ) const
+{
+    OUString sString = pFormatter->GetCharClass()->uppercase( sSymbol, nPos, sSymbol.getLength() - nPos );
+    const NfKeywordTable & rKeyword = GetKeywords();
+    // #77026# for the Xcl perverts: the GENERAL keyword is recognized anywhere
+    if (sString.startsWith( rKeyword[NF_KEY_GENERAL] ))
+    {
+        return NF_KEY_GENERAL;
+    }
+    if ((meKeywordLocalization == KeywordLocalization::AllowEnglish) &&
+            sString.startsWith( sEnglishKeyword[NF_KEY_GENERAL]))
+    {
+        rbFoundEnglish = true;
+        return NF_KEY_GENERAL;
+    }
+
+    // MUST be a reverse search to find longer strings first,
+    // new keywords take precedence over old keywords,
+    // skip colors et al after keywords.
+    short i = NF_KEY_LASTKEYWORD;
+    while (i > 0 && !sString.startsWith( rKeyword[i]))
+    {
+        i--;
+    }
+    if (i == 0 && meKeywordLocalization == KeywordLocalization::AllowEnglish)
+    {
+        // No localized (if so) keyword, try English keywords if keywords
+        // are localized. That was already checked in SetDependentKeywords().
+        i = NF_KEY_LASTKEYWORD;
+        while (i > 0 && !sString.startsWith( sEnglishKeyword[i]))
+        {
+            i--;
+        }
+    }
+
+    // The Thai T NatNum modifier during Xcl import.
+    if (i == 0 && bConvertMode &&
+        sString[0] == 'T' &&
+        eTmpLnge == LANGUAGE_ENGLISH_US &&
+        MsLangId::getRealLanguage( eNewLnge) == LANGUAGE_THAI)
+    {
+        i = NF_KEY_THAI_T;
+    }
+    return i; // 0 => not found
+}
+
+/**
+ * Next_Symbol
+ *
+ * Splits up the input for further processing (by the Turing machine).
+ *
+ * Starting state = SsStar
+ *
+ * ---------------+-------------------+---------------------------+---------------
+ * Old state      | Character read    | Event                     | New state
+ * ---------------+-------------------+---------------------------+---------------
+ * SsStart        | Character         | Symbol = Character        | SsGetWord
+ *                |    "              | Type = String             | SsGetString
+ *                |    \              | Type = String             | SsGetChar
+ *                |    *              | Type = Star               | SsGetStar
+ *                |    _              | Type = Blank              | SsGetBlank
+ *                | @ # 0 ? / . , % [ | Symbol = Character;       |
+ *                | ] ' Blank         | Type = Control character  | SsStop
+ *                | $ - + ( ) :       | Type  = String;           |
+ *                | Else              | Symbol = Character        | SsStop
+ * ---------------|-------------------+---------------------------+---------------
+ * SsGetChar      | Else              | Symbol = Character        | SsStop
+ * ---------------+-------------------+---------------------------+---------------
+ * GetString      | "                 |                           | SsStop
+ *                | Else              | Symbol += Character       | GetString
+ * ---------------+-------------------+---------------------------+---------------
+ * SsGetWord      | Character         | Symbol += Character       |
+ *                | + -        (E+ E-)| Symbol += Character       | SsStop
+ *                | /          (AM/PM)| Symbol += Character       |
+ *                | Else              | Pos--, if Key Type = Word | SsStop
+ * ---------------+-------------------+---------------------------+---------------
+ * SsGetStar      | Else              | Symbol += Character       | SsStop
+ *                |                   | Mark special case *       |
+ * ---------------+-------------------+---------------------------+---------------
+ * SsGetBlank     | Else              | Symbol + =Character       | SsStop
+ *                |                   | Mark special case  _      |
+ * ---------------------------------------------------------------+--------------
+ *
+ * If we recognize a keyword in the state SsGetWord (even as the symbol's start text)
+ * we write back the rest of the characters!
+ */
+
+namespace {
+
+enum ScanState
+{
+    SsStop      = 0,
+    SsStart     = 1,
+    SsGetChar   = 2,
+    SsGetString = 3,
+    SsGetWord   = 4,
+    SsGetStar   = 5,
+    SsGetBlank  = 6
+};
+
+}
+
+short ImpSvNumberformatScan::Next_Symbol( const OUString& rStr,
+                                          sal_Int32& nPos,
+                                          OUString& sSymbol ) const
+{
+    InitKeywords();
+    const CharClass* pChrCls = pFormatter->GetCharClass();
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+    short eType = 0;
+    ScanState eState = SsStart;
+    OUStringBuffer sSymbolBuffer;
+    while ( nPos < rStr.getLength() && eState != SsStop )
+    {
+        sal_Unicode cToken = rStr[nPos++];
+        switch (eState)
+        {
+        case SsStart:
+            // Fetch any currency longer than one character and don't get
+            // confused later on by "E/" or other combinations of letters
+            // and meaningful symbols. Necessary for old automatic currency.
+            // #96158# But don't do it if we're starting a "[...]" section,
+            // for example a "[$...]" new currency symbol to not parse away
+            // "$U" (symbol) of "[$UYU]" (abbreviation).
+            if ( nCurrPos >= 0 && sCurString.getLength() > 1 &&
+                 nPos-1 + sCurString.getLength() <= rStr.getLength() &&
+                 (nPos <= 1 || rStr[nPos-2] != '[') )
+            {
+                OUString aTest = pChrCls->uppercase( rStr.copy( nPos-1, sCurString.getLength() ) );
+                if ( aTest == sCurString )
+                {
+                    sSymbol = rStr.copy( --nPos, sCurString.getLength() );
+                    nPos = nPos + sSymbol.getLength();
+                    eType = NF_SYMBOLTYPE_STRING;
+                    return eType;
+                }
+            }
+            switch (cToken)
+            {
+            case '#':
+            case '0':
+            case '?':
+            case '%':
+            case '@':
+            case '[':
+            case ']':
+            case ',':
+            case '.':
+            case '/':
+            case '\'':
+            case ' ':
+            case ':':
+            case '-':
+                eType = NF_SYMBOLTYPE_DEL;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                eState = SsStop;
+                break;
+            case '*':
+                eType = NF_SYMBOLTYPE_STAR;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                eState = SsGetStar;
+                break;
+            case '_':
+                eType = NF_SYMBOLTYPE_BLANK;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                eState = SsGetBlank;
+                break;
+            case '"':
+                eType = NF_SYMBOLTYPE_STRING;
+                eState = SsGetString;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                break;
+            case '\\':
+                eType = NF_SYMBOLTYPE_STRING;
+                eState = SsGetChar;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                break;
+            case '$':
+            case '+':
+            case '(':
+            case ')':
+                eType = NF_SYMBOLTYPE_STRING;
+                eState = SsStop;
+                sSymbolBuffer.append(OUStringChar(cToken));
+                break;
+            default :
+                if (StringEqualsChar( pFormatter->GetNumDecimalSep(), cToken) ||
+                    StringEqualsChar( pFormatter->GetNumThousandSep(), cToken) ||
+                    StringEqualsChar( pFormatter->GetDateSep(), cToken) ||
+                    StringEqualsChar( pLoc->getTimeSep(), cToken) ||
+                    StringEqualsChar( pLoc->getTime100SecSep(), cToken))
+                {
+                    // Another separator than pre-known ASCII
+                    eType = NF_SYMBOLTYPE_DEL;
+                    sSymbolBuffer.append(OUStringChar(cToken));
+                    eState = SsStop;
+                }
+                else if ( pChrCls->isLetter( rStr, nPos-1 ) )
+                {
+                    bool bFoundEnglish = false;
+                    short nTmpType = GetKeyWord( rStr, nPos-1, bFoundEnglish);
+                    if ( nTmpType )
+                    {
+                        bool bCurrency = false;
+                        // "Automatic" currency may start with keyword,
+                        // like "R" (Rand) and 'R' (era)
+                        if ( nCurrPos >= 0 &&
+                             nPos-1 + sCurString.getLength() <= rStr.getLength() &&
+                             sCurString.startsWith( bFoundEnglish ? sEnglishKeyword[nTmpType] : sKeyword[nTmpType]))
+                        {
+                            OUString aTest = pChrCls->uppercase( rStr.copy( nPos-1, sCurString.getLength() ) );
+                            if ( aTest == sCurString )
+                            {
+                                bCurrency = true;
+                            }
+                        }
+                        if ( bCurrency )
+                        {
+                            eState = SsGetWord;
+                            sSymbolBuffer.append(OUStringChar(cToken));
+                        }
+                        else
+                        {
+                            eType = nTmpType;
+                            // The code to be advanced is the detected keyword,
+                            // not necessarily the locale's keyword, but the
+                            // symbol is to be the locale's keyword.
+                            sal_Int32 nLen;
+                            if (bFoundEnglish)
+                            {
+                                nLen = sEnglishKeyword[eType].getLength();
+                                // Use the locale's General keyword name, not uppercase.
+                                sSymbolBuffer = (eType == NF_KEY_GENERAL ? sNameStandardFormat : sKeyword[eType]);
+                            }
+                            else
+                            {
+                                nLen = sKeyword[eType].getLength();
+                                // Preserve a locale's keyword's case as entered.
+                                sSymbolBuffer = rStr.subView( nPos-1, nLen);
+                            }
+                            if ((eType == NF_KEY_E || IsAmbiguousE(eType)) && nPos < rStr.getLength())
+                            {
+                                sal_Unicode cNext = rStr[nPos];
+                                switch ( cNext )
+                                {
+                                case '+' :
+                                case '-' :  // E+ E- combine to one symbol
+                                    sSymbolBuffer.append(OUStringChar(cNext));
+                                    eType = NF_KEY_E;
+                                    nPos++;
+                                    break;
+                                case '0' :
+                                case '#' :  // scientific E without sign
+                                    eType = NF_KEY_E;
+                                    break;
+                                }
+                            }
+                            nPos--;
+                            nPos = nPos + nLen;
+                            eState = SsStop;
+                        }
+                    }
+                    else
+                    {
+                        eState = SsGetWord;
+                        sSymbolBuffer.append(OUStringChar(cToken));
+                    }
+                }
+                else
+                {
+                    eType = NF_SYMBOLTYPE_STRING;
+                    eState = SsStop;
+                    sSymbolBuffer.append(OUStringChar(cToken));
+                }
+                break;
+            }
+            break;
+        case SsGetChar:
+            sSymbolBuffer.append(OUStringChar(cToken));
+            eState = SsStop;
+            break;
+        case SsGetString:
+            if (cToken == '"')
+            {
+                eState = SsStop;
+            }
+            sSymbolBuffer.append(OUStringChar(cToken));
+            break;
+        case SsGetWord:
+            if ( pChrCls->isLetter( rStr, nPos-1 ) )
+            {
+                bool bFoundEnglish = false;
+                short nTmpType = GetKeyWord( rStr, nPos-1, bFoundEnglish);
+                if ( nTmpType )
+                {
+                    // beginning of keyword, stop scan and put back
+                    eType = NF_SYMBOLTYPE_STRING;
+                    eState = SsStop;
+                    nPos--;
+                }
+                else
+                {
+                    sSymbolBuffer.append(OUStringChar(cToken));
+                }
+            }
+            else
+            {
+                bool bDontStop = false;
+                sal_Unicode cNext;
+                switch (cToken)
+                {
+                case '/': // AM/PM, A/P
+                    if (nPos < rStr.getLength())
+                    {
+                        cNext = rStr[nPos];
+                        if ( cNext == 'P' || cNext == 'p' )
+                        {
+                            sal_Int32 nLen = sSymbolBuffer.getLength();
+                            if ( 1 <= nLen &&
+                                    (sSymbolBuffer[0] == 'A' || sSymbolBuffer[0] == 'a') &&
+                                    (nLen == 1 ||
+                                     (nLen == 2 && (sSymbolBuffer[1] == 'M' || sSymbolBuffer[1] == 'm')
+                                      && (rStr[nPos + 1] == 'M' || rStr[nPos + 1] == 'm'))))
+                            {
+                                sSymbolBuffer.append(OUStringChar(cToken));
+                                bDontStop = true;
+                            }
+                        }
+                    }
+                    break;
+                }
+                // anything not recognized will stop the scan
+                if (!bDontStop)
+                {
+                    eState = SsStop;
+                    nPos--;
+                    eType = NF_SYMBOLTYPE_STRING;
+                }
+            }
+            break;
+        case SsGetStar:
+            eState = SsStop;
+            sSymbolBuffer.append(OUStringChar(cToken));
+            break;
+        case SsGetBlank:
+            eState = SsStop;
+            sSymbolBuffer.append(OUStringChar(cToken));
+            break;
+        default:
+            break;
+        } // of switch
+    } // of while
+    if (eState == SsGetWord)
+    {
+        eType = NF_SYMBOLTYPE_STRING;
+    }
+    sSymbol = sSymbolBuffer.makeStringAndClear();
+    return eType;
+}
+
+sal_Int32 ImpSvNumberformatScan::Symbol_Division(const OUString& rString)
+{
+    nCurrPos = -1;
+    // Do we have some sort of currency?
+    OUString sString = pFormatter->GetCharClass()->uppercase(rString);
+    sal_Int32 nCPos = 0;
+    while (nCPos >= 0 && nCPos < sString.getLength())
+    {
+        nCPos = sString.indexOf(GetCurString(),nCPos);
+        if (nCPos >= 0)
+        {
+            // In Quotes?
+            sal_Int32 nQ = SvNumberformat::GetQuoteEnd( sString, nCPos );
+            if ( nQ < 0 )
+            {
+                sal_Unicode c;
+                if ( nCPos == 0 ||
+                    ((c = sString[nCPos-1]) != '"'
+                            && c != '\\') ) // dm can be protected by "dm \d
+                {
+                    nCurrPos = nCPos;
+                    nCPos = -1;
+                }
+                else
+                {
+                    nCPos++; // Continue search
+                }
+            }
+            else
+            {
+                nCPos = nQ + 1; // Continue search
+            }
+        }
+    }
+    nStringsCnt = 0;
+    bool bStar = false; // Is set on detecting '*'
+    Reset();
+
+    sal_Int32 nPos = 0;
+    const sal_Int32 nLen = rString.getLength();
+    while (nPos < nLen && nStringsCnt < NF_MAX_FORMAT_SYMBOLS)
+    {
+        nTypeArray[nStringsCnt] = Next_Symbol(rString, nPos, sStrArray[nStringsCnt]);
+        if (nTypeArray[nStringsCnt] == NF_SYMBOLTYPE_STAR)
+        { // Monitoring the '*'
+            if (bStar)
+            {
+                return nPos; // Error: double '*'
+            }
+            else
+            {
+                // Valid only if there is a character following, else we are
+                // at the end of a code that does not have a fill character
+                // (yet?).
+                if (sStrArray[nStringsCnt].getLength() < 2)
+                    return nPos;
+                bStar = true;
+            }
+        }
+        nStringsCnt++;
+    }
+
+    return 0; // 0 => ok
+}
+
+void ImpSvNumberformatScan::SkipStrings(sal_uInt16& i, sal_Int32& nPos) const
+{
+    while (i < nStringsCnt && (   nTypeArray[i] == NF_SYMBOLTYPE_STRING
+                               || nTypeArray[i] == NF_SYMBOLTYPE_BLANK
+                               || nTypeArray[i] == NF_SYMBOLTYPE_STAR) )
+    {
+        nPos = nPos + sStrArray[i].getLength();
+        i++;
+    }
+}
+
+sal_uInt16 ImpSvNumberformatScan::PreviousKeyword(sal_uInt16 i) const
+{
+    short res = 0;
+    if (i > 0 && i < nStringsCnt)
+    {
+        i--;
+        while (i > 0 && nTypeArray[i] <= 0)
+        {
+            i--;
+        }
+        if (nTypeArray[i] > 0)
+        {
+            res = nTypeArray[i];
+        }
+    }
+    return res;
+}
+
+sal_uInt16 ImpSvNumberformatScan::NextKeyword(sal_uInt16 i) const
+{
+    short res = 0;
+    if (i < nStringsCnt-1)
+    {
+        i++;
+        while (i < nStringsCnt-1 && nTypeArray[i] <= 0)
+        {
+            i++;
+        }
+        if (nTypeArray[i] > 0)
+        {
+            res = nTypeArray[i];
+        }
+    }
+    return res;
+}
+
+short ImpSvNumberformatScan::PreviousType( sal_uInt16 i ) const
+{
+    if ( i > 0 && i < nStringsCnt )
+    {
+        do
+        {
+            i--;
+        }
+        while ( i > 0 && nTypeArray[i] == NF_SYMBOLTYPE_EMPTY );
+        return nTypeArray[i];
+    }
+    return 0;
+}
+
+sal_Unicode ImpSvNumberformatScan::PreviousChar(sal_uInt16 i) const
+{
+    sal_Unicode res = ' ';
+    if (i > 0 && i < nStringsCnt)
+    {
+        i--;
+        while (i > 0 &&
+               ( nTypeArray[i] == NF_SYMBOLTYPE_EMPTY ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_STRING ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_STAR ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_BLANK ))
+        {
+            i--;
+        }
+        if (sStrArray[i].getLength() > 0)
+        {
+            res = sStrArray[i][sStrArray[i].getLength()-1];
+        }
+    }
+    return res;
+}
+
+sal_Unicode ImpSvNumberformatScan::NextChar(sal_uInt16 i) const
+{
+    sal_Unicode res = ' ';
+    if (i < nStringsCnt-1)
+    {
+        i++;
+        while (i < nStringsCnt-1 &&
+               ( nTypeArray[i] == NF_SYMBOLTYPE_EMPTY ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_STRING ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_STAR ||
+                 nTypeArray[i] == NF_SYMBOLTYPE_BLANK))
+        {
+            i++;
+        }
+        if (sStrArray[i].getLength() > 0)
+        {
+            res = sStrArray[i][0];
+        }
+    }
+    return res;
+}
+
+bool ImpSvNumberformatScan::IsLastBlankBeforeFrac(sal_uInt16 i) const
+{
+    bool res = true;
+    if (i < nStringsCnt-1)
+    {
+        bool bStop = false;
+        i++;
+        while (i < nStringsCnt-1 && !bStop)
+        {
+            i++;
+            if ( nTypeArray[i] == NF_SYMBOLTYPE_DEL &&
+                 sStrArray[i][0] == '/')
+            {
+                bStop = true;
+            }
+            else if ( ( nTypeArray[i] == NF_SYMBOLTYPE_DEL  &&
+                        sStrArray[i][0] == ' ')             ||
+                        nTypeArray[i] == NF_SYMBOLTYPE_STRING ) // integer/fraction delimiter can also be a string
+            {
+                res = false;
+            }
+        }
+        if (!bStop) // no '/'{
+        {
+            res = false;
+        }
+    }
+    else
+    {
+        res = false; // no '/' any more
+    }
+    return res;
+}
+
+void ImpSvNumberformatScan::Reset()
+{
+    nStringsCnt = 0;
+    nResultStringsCnt = 0;
+    eScannedType = SvNumFormatType::UNDEFINED;
+    bExp = false;
+    bThousand = false;
+    nThousand = 0;
+    bDecSep = false;
+    nDecPos = sal_uInt16(-1);
+    nExpPos = sal_uInt16(-1);
+    nBlankPos = sal_uInt16(-1);
+    nCntPre = 0;
+    nCntPost = 0;
+    nCntExp = 0;
+    bFrac = false;
+    bBlank = false;
+    nNatNumModifier = 0;
+}
+
+bool ImpSvNumberformatScan::Is100SecZero( sal_uInt16 i, bool bHadDecSep ) const
+{
+    sal_uInt16 nIndexPre = PreviousKeyword( i );
+    return (nIndexPre == NF_KEY_S || nIndexPre == NF_KEY_SS) &&
+            (bHadDecSep ||
+             ( i > 0 && nTypeArray[i-1] == NF_SYMBOLTYPE_STRING));
+              // SS"any"00  take "any" as a valid decimal separator
+}
+
+sal_Int32 ImpSvNumberformatScan::ScanType()
+{
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+
+    sal_Int32 nPos = 0;
+    sal_uInt16 i = 0;
+    SvNumFormatType eNewType;
+    bool bMatchBracket = false;
+    bool bHaveGeneral = false; // if General/Standard encountered
+    bool bIsTimeDetected =false;   // hour or second found in format
+    bool bHaveMinute = false;
+
+    SkipStrings(i, nPos);
+    while (i < nStringsCnt)
+    {
+        if (nTypeArray[i] > 0)
+        {   // keyword
+            sal_uInt16 nIndexPre;
+            sal_uInt16 nIndexNex;
+
+            switch (nTypeArray[i])
+            {
+            case NF_KEY_E:                          // E
+                eNewType = SvNumFormatType::SCIENTIFIC;
+                break;
+            case NF_KEY_H:                          // H
+            case NF_KEY_HH:                         // HH
+                bIsTimeDetected = true;
+                [[fallthrough]];
+            case NF_KEY_S:                          // S
+            case NF_KEY_SS:                         // SS
+                if ( !bHaveMinute )
+                    bIsTimeDetected = true;
+                [[fallthrough]];
+            case NF_KEY_AMPM:                       // AM,A,PM,P
+            case NF_KEY_AP:
+                eNewType = SvNumFormatType::TIME;
+                break;
+            case NF_KEY_M:                          // M
+            case NF_KEY_MM:                         // MM
+            case NF_KEY_MI:                         // M  minute detected in Finnish
+            case NF_KEY_MMI:                        // MM
+                /* Minute or month.
+                   Minute if one of:
+                   * preceded by time keyword H (ignoring separators)
+                   * followed by time keyword S (ignoring separators)
+                   * H or S was detected and this is the first M following
+                   * preceded by '[' amount bracket
+                   Else month.
+                   That are the Excel rules. BUT, we break it because certainly
+                   in something like {HH YYYY-MM-DD} the MM is NOT meant to be
+                   minute, so not if MM is between YY and DD or DD and YY.
+                   Actually not if any date specific keyword followed a time
+                   setting keyword.
+                */
+                nIndexPre = PreviousKeyword(i);
+                nIndexNex = NextKeyword(i);
+                if (nIndexPre == NF_KEY_H   ||      // H
+                    nIndexPre == NF_KEY_HH  ||      // HH
+                    nIndexNex == NF_KEY_S   ||      // S
+                    nIndexNex == NF_KEY_SS  ||      // SS
+                    bIsTimeDetected         ||      // tdf#101147
+                    PreviousChar(i) == '['  )       // [M
+                {
+                    eNewType = SvNumFormatType::TIME;
+                    if ( nTypeArray[i] == NF_KEY_M || nTypeArray[i] == NF_KEY_MM )
+                    {
+                        nTypeArray[i] -= 2;             // 6 -> 4, 7 -> 5
+                    }
+                    bIsTimeDetected = false;        // next M should be month
+                    bHaveMinute = true;
+                }
+                else
+                {
+                    eNewType = SvNumFormatType::DATE;
+                    if ( nTypeArray[i] == NF_KEY_MI || nTypeArray[i] == NF_KEY_MMI )
+                    {   // follow resolution of tdf#33689 for Finnish
+                        nTypeArray[i] += 2;             // 4 -> 6, 5 -> 7
+                    }
+                }
+                break;
+            case NF_KEY_MMM:                        // MMM
+            case NF_KEY_MMMM:                       // MMMM
+            case NF_KEY_MMMMM:                      // MMMMM
+            case NF_KEY_Q:                          // Q
+            case NF_KEY_QQ:                         // QQ
+            case NF_KEY_D:                          // D
+            case NF_KEY_DD:                         // DD
+            case NF_KEY_DDD:                        // DDD
+            case NF_KEY_DDDD:                       // DDDD
+            case NF_KEY_YY:                         // YY
+            case NF_KEY_YYYY:                       // YYYY
+            case NF_KEY_NN:                         // NN
+            case NF_KEY_NNN:                        // NNN
+            case NF_KEY_NNNN:                       // NNNN
+            case NF_KEY_WW :                        // WW
+            case NF_KEY_AAA :                       // AAA
+            case NF_KEY_AAAA :                      // AAAA
+            case NF_KEY_EC :                        // E
+            case NF_KEY_EEC :                       // EE
+            case NF_KEY_G :                         // G
+            case NF_KEY_GG :                        // GG
+            case NF_KEY_GGG :                       // GGG
+            case NF_KEY_R :                         // R
+            case NF_KEY_RR :                        // RR
+                eNewType = SvNumFormatType::DATE;
+                bIsTimeDetected = false;
+                break;
+            case NF_KEY_CCC:                        // CCC
+                eNewType = SvNumFormatType::CURRENCY;
+                break;
+            case NF_KEY_BOOLEAN:                    // BOOLEAN
+                eNewType = SvNumFormatType::LOGICAL;
+                break;
+            case NF_KEY_GENERAL:                    // General
+                eNewType = SvNumFormatType::NUMBER;
+                bHaveGeneral = true;
+                break;
+            default:
+                eNewType = SvNumFormatType::UNDEFINED;
+                break;
+            }
+        }
+        else
+        {                                           // control character
+            switch ( sStrArray[i][0] )
+            {
+            case '#':
+            case '?':
+                eNewType = SvNumFormatType::NUMBER;
+                break;
+            case '0':
+                if ( eScannedType & SvNumFormatType::TIME )
+                {
+                    if ( Is100SecZero( i, bDecSep ) )
+                    {
+                        bDecSep = true;                 // subsequent 0's
+                        eNewType = SvNumFormatType::TIME;
+                    }
+                    else
+                    {
+                        return nPos;                    // Error
+                    }
+                }
+                else
+                {
+                    eNewType = SvNumFormatType::NUMBER;
+                }
+                break;
+            case '%':
+                eNewType = SvNumFormatType::PERCENT;
+                break;
+            case '/':
+                eNewType = SvNumFormatType::FRACTION;
+                break;
+            case '[':
+                if ( i < nStringsCnt-1 &&
+                     nTypeArray[i+1] == NF_SYMBOLTYPE_STRING &&
+                     sStrArray[i+1][0] == '$' )
+                {
+                    eNewType = SvNumFormatType::CURRENCY;
+                    bMatchBracket = true;
+                }
+                else if ( i < nStringsCnt-1 &&
+                          nTypeArray[i+1] == NF_SYMBOLTYPE_STRING &&
+                          sStrArray[i+1][0] == '~' )
+                {
+                    eNewType = SvNumFormatType::DATE;
+                    bMatchBracket = true;
+                }
+                else
+                {
+                    sal_uInt16 nIndexNex = NextKeyword(i);
+                    if (nIndexNex == NF_KEY_H   ||  // H
+                        nIndexNex == NF_KEY_HH  ||  // HH
+                        nIndexNex == NF_KEY_M   ||  // M
+                        nIndexNex == NF_KEY_MM  ||  // MM
+                        nIndexNex == NF_KEY_S   ||  // S
+                        nIndexNex == NF_KEY_SS   )  // SS
+                        eNewType = SvNumFormatType::TIME;
+                    else
+                    {
+                        return nPos;                // Error
+                    }
+                }
+                break;
+            case '@':
+                eNewType = SvNumFormatType::TEXT;
+                break;
+            default:
+                // Separator for SS,0
+                if ((eScannedType & SvNumFormatType::TIME)
+                        && 0 < i && (nTypeArray[i-1] == NF_KEY_S || nTypeArray[i-1] == NF_KEY_SS))
+                {
+                    // For ISO 8601 only YYYY-MM-DD"T"HH:MM:SS,0  accept both
+                    // ',' and '.' regardless of locale's separator, and only
+                    // those.
+                    // XXX NOTE: this catches only known separators of
+                    // NF_SYMBOLTYPE_DEL as all NF_SYMBOLTYPE_STRING are
+                    // skipped during the loop. Meant to error out if the
+                    // Time100SecSep or decimal separator differ and were used.
+                    if ((eScannedType & SvNumFormatType::DATE)
+                            && 11 <= i && i < nStringsCnt-1
+                            && (nTypeArray[i-6] == NF_SYMBOLTYPE_STRING
+                                && (sStrArray[i-6] == "\"T\"" || sStrArray[i-6] == "\\T"
+                                    || sStrArray[i-6] == "T"))
+                            && (nTypeArray[i-11] == NF_KEY_YYYY)
+                            && (nTypeArray[i-9] == NF_KEY_M || nTypeArray[i-9] == NF_KEY_MM)
+                            && (nTypeArray[i-7] == NF_KEY_D || nTypeArray[i-7] == NF_KEY_DD)
+                            && (nTypeArray[i-5] == NF_KEY_H || nTypeArray[i-5] == NF_KEY_HH)
+                            && (nTypeArray[i-3] == NF_KEY_MI || nTypeArray[i-3] == NF_KEY_MMI)
+                            && (nTypeArray[i+1] == NF_SYMBOLTYPE_DEL && sStrArray[i+1][0] == '0'))
+
+                    {
+                        if (sStrArray[i].getLength() == 1 && (sStrArray[i][0] == ',' || sStrArray[i][0] == '.'))
+                            bDecSep = true;
+                        else
+                            return nPos;            // Error
+                    }
+                    else if (pLoc->getTime100SecSep() == sStrArray[i])
+                        bDecSep = true;
+                    else if ( sStrArray[i][0] == ']' && i < nStringsCnt - 1 && pLoc->getTime100SecSep() == sStrArray[i+1] )
+                    {
+                        bDecSep = true;
+                        i++;
+                    }
+                }
+                eNewType = SvNumFormatType::UNDEFINED;
+                break;
+            }
+        }
+        if (eScannedType == SvNumFormatType::UNDEFINED)
+        {
+            eScannedType = eNewType;
+        }
+        else if (eScannedType == SvNumFormatType::TEXT || eNewType == SvNumFormatType::TEXT)
+        {
+            eScannedType = SvNumFormatType::TEXT; // Text always remains text
+        }
+        else if (eNewType == SvNumFormatType::UNDEFINED)
+        { // Remains as is
+        }
+        else if (eScannedType != eNewType)
+        {
+            switch (eScannedType)
+            {
+            case SvNumFormatType::DATE:
+                switch (eNewType)
+                {
+                case SvNumFormatType::TIME:
+                    eScannedType = SvNumFormatType::DATETIME;
+                    break;
+                case SvNumFormatType::FRACTION:         // DD/MM
+                    break;
+                default:
+                    if (nCurrPos >= 0)
+                    {
+                        eScannedType = SvNumFormatType::UNDEFINED;
+                    }
+                    else if ( sStrArray[i] != pFormatter->GetDateSep() )
+                    {
+                        return nPos;
+                    }
+                }
+                break;
+            case SvNumFormatType::TIME:
+                switch (eNewType)
+                {
+                case SvNumFormatType::DATE:
+                    eScannedType = SvNumFormatType::DATETIME;
+                    break;
+                case SvNumFormatType::FRACTION:         // MM/SS
+                    break;
+                default:
+                    if (nCurrPos >= 0)
+                    {
+                        eScannedType = SvNumFormatType::UNDEFINED;
+                    }
+                    else if (pLoc->getTimeSep() != sStrArray[i])
+                    {
+                        return nPos;
+                    }
+                    break;
+                }
+                break;
+            case SvNumFormatType::DATETIME:
+                switch (eNewType)
+                {
+                case SvNumFormatType::TIME:
+                case SvNumFormatType::DATE:
+                    break;
+                case SvNumFormatType::FRACTION:         // DD/MM
+                    break;
+                default:
+                    if (nCurrPos >= 0)
+                    {
+                        eScannedType = SvNumFormatType::UNDEFINED;
+                    }
+                    else if ( pFormatter->GetDateSep() != sStrArray[i] &&
+                              pLoc->getTimeSep() != sStrArray[i] )
+                    {
+                        return nPos;
+                    }
+                }
+                break;
+            case SvNumFormatType::PERCENT:
+                switch (eNewType)
+                {
+                case SvNumFormatType::NUMBER:   // Only number to percent
+                    break;
+                default:
+                    return nPos;
+                }
+                break;
+            case SvNumFormatType::SCIENTIFIC:
+                switch (eNewType)
+                {
+                case SvNumFormatType::NUMBER:   // Only number to E
+                    break;
+                default:
+                    return nPos;
+                }
+                break;
+            case SvNumFormatType::NUMBER:
+                switch (eNewType)
+                {
+                case SvNumFormatType::SCIENTIFIC:
+                case SvNumFormatType::PERCENT:
+                case SvNumFormatType::FRACTION:
+                case SvNumFormatType::CURRENCY:
+                    eScannedType = eNewType;
+                    break;
+                default:
+                    if (nCurrPos >= 0)
+                    {
+                        eScannedType = SvNumFormatType::UNDEFINED;
+                    }
+                    else
+                    {
+                        return nPos;
+                    }
+                }
+                break;
+            case SvNumFormatType::FRACTION:
+                switch (eNewType)
+                {
+                case SvNumFormatType::NUMBER:   // Only number to fraction
+                    break;
+                default:
+                    return nPos;
+                }
+                break;
+            default:
+                break;
+            }
+        }
+        nPos = nPos + sStrArray[i].getLength(); // Position of correction
+        i++;
+        if ( bMatchBracket )
+        {   // no type detection inside of matching brackets if [$...], [~...]
+            while ( bMatchBracket && i < nStringsCnt )
+            {
+                if ( nTypeArray[i] == NF_SYMBOLTYPE_DEL
+                     && sStrArray[i][0] == ']' )
+                {
+                    bMatchBracket = false;
+                }
+                else
+                {
+                    nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                }
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+            }
+            if ( bMatchBracket )
+            {
+                return nPos; // missing closing bracket at end of code
+            }
+        }
+        SkipStrings(i, nPos);
+    }
+
+    if ((eScannedType == SvNumFormatType::NUMBER ||
+         eScannedType == SvNumFormatType::UNDEFINED) &&
+        nCurrPos >= 0 && !bHaveGeneral)
+    {
+        eScannedType = SvNumFormatType::CURRENCY; // old "automatic" currency
+    }
+    if (eScannedType == SvNumFormatType::UNDEFINED)
+    {
+        eScannedType = SvNumFormatType::DEFINED;
+    }
+    return 0; // All is fine
+}
+
+bool ImpSvNumberformatScan::InsertSymbol( sal_uInt16 & nPos, svt::NfSymbolType eType, const OUString& rStr )
+{
+    if (nStringsCnt >= NF_MAX_FORMAT_SYMBOLS || nPos > nStringsCnt)
+    {
+        return false;
+    }
+    if (nPos > 0 && nTypeArray[nPos-1] == NF_SYMBOLTYPE_EMPTY)
+    {
+        --nPos; // reuse position
+    }
+    else
+    {
+        if (nStringsCnt >= NF_MAX_FORMAT_SYMBOLS - 1)
+        {
+            return false;
+        }
+        ++nStringsCnt;
+        for (size_t i = nStringsCnt; i > nPos; --i)
+        {
+            nTypeArray[i] = nTypeArray[i-1];
+            sStrArray[i] = sStrArray[i-1];
+        }
+    }
+    ++nResultStringsCnt;
+    nTypeArray[nPos] = static_cast<short>(eType);
+    sStrArray[nPos] = rStr;
+    return true;
+}
+
+int ImpSvNumberformatScan::FinalScanGetCalendar( sal_Int32& nPos, sal_uInt16& i,
+                                                 sal_uInt16& rResultStringsCnt )
+{
+    if ( i < nStringsCnt-1 &&
+         sStrArray[i][0] == '[' &&
+         nTypeArray[i+1] == NF_SYMBOLTYPE_STRING &&
+         sStrArray[i+1][0] == '~' )
+    {
+        // [~calendarID]
+        nPos = nPos + sStrArray[i].getLength();           // [
+        nTypeArray[i] = NF_SYMBOLTYPE_CALDEL;
+        nPos = nPos + sStrArray[++i].getLength();         // ~
+        sStrArray[i-1] += sStrArray[i];                   // [~
+        nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+        rResultStringsCnt--;
+        if ( ++i >= nStringsCnt )
+        {
+            return -1; // error
+        }
+        nPos = nPos + sStrArray[i].getLength();           // calendarID
+        OUString& rStr = sStrArray[i];
+        nTypeArray[i] = NF_SYMBOLTYPE_CALENDAR;          // convert
+        i++;
+        while ( i < nStringsCnt && sStrArray[i][0] != ']' )
+        {
+            nPos = nPos + sStrArray[i].getLength();
+            rStr += sStrArray[i];
+            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+            rResultStringsCnt--;
+            i++;
+        }
+        if ( rStr.getLength() && i < nStringsCnt &&
+             sStrArray[i][0] == ']' )
+        {
+            nTypeArray[i] = NF_SYMBOLTYPE_CALDEL;
+            nPos = nPos + sStrArray[i].getLength();
+            i++;
+        }
+        else
+        {
+            return -1; // error
+        }
+        return 1;
+    }
+    return 0;
+}
+
+bool ImpSvNumberformatScan::IsDateFragment( size_t nPos1, size_t nPos2 ) const
+{
+    return nPos2 - nPos1 == 2 && nTypeArray[nPos1+1] == NF_SYMBOLTYPE_DATESEP;
+}
+
+void ImpSvNumberformatScan::SwapArrayElements( size_t nPos1, size_t nPos2 )
+{
+    std::swap( nTypeArray[nPos1], nTypeArray[nPos2]);
+    std::swap( sStrArray[nPos1], sStrArray[nPos2]);
+}
+
+sal_Int32 ImpSvNumberformatScan::FinalScan( OUString& rString )
+{
+    const LocaleDataWrapper* pLoc = pFormatter->GetLocaleData();
+
+    // save values for convert mode
+    OUString sOldDecSep       = pFormatter->GetNumDecimalSep();
+    OUString sOldThousandSep  = pFormatter->GetNumThousandSep();
+    OUString sOldDateSep      = pFormatter->GetDateSep();
+    OUString sOldTimeSep      = pLoc->getTimeSep();
+    OUString sOldTime100SecSep= pLoc->getTime100SecSep();
+    OUString sOldCurSymbol    = GetCurSymbol();
+    OUString sOldCurString = GetCurString();
+    sal_Unicode cOldKeyH    = sKeyword[NF_KEY_H][0];
+    sal_Unicode cOldKeyMI   = sKeyword[NF_KEY_MI][0];
+    sal_Unicode cOldKeyS    = sKeyword[NF_KEY_S][0];
+    DateOrder eOldDateOrder = pLoc->getDateOrder();
+    sal_uInt16 nDayPos, nMonthPos, nYearPos;
+    nDayPos = nMonthPos = nYearPos = SAL_MAX_UINT16;
+
+    // If the group separator is a No-Break Space (French) continue with a
+    // normal space instead so queries on space work correctly.
+    // The same for Narrow No-Break Space just in case some locale uses it.
+    // The format string is adjusted to allow both.
+    // For output of the format code string the LocaleData characters are used.
+    if ( (sOldThousandSep[0] == cNoBreakSpace || sOldThousandSep[0] == cNarrowNoBreakSpace) &&
+            sOldThousandSep.getLength() == 1 )
+    {
+        sOldThousandSep = " ";
+    }
+    bool bNewDateOrder = false;
+    // change locale data et al
+    if (bConvertMode)
+    {
+        pFormatter->ChangeIntl(eNewLnge);
+        //! pointer may have changed
+        pLoc = pFormatter->GetLocaleData();
+        //! init new keywords
+        InitKeywords();
+        // Adapt date order to target locale, but Excel does not handle date
+        // particle re-ordering for the target locale when loading documents,
+        // though it does exchange separators, tdf#113889
+        bNewDateOrder = (mbConvertDateOrder && eOldDateOrder != pLoc->getDateOrder());
+    }
+    const CharClass* pChrCls = pFormatter->GetCharClass();
+
+    sal_Int32 nPos = 0;                    // error correction position
+    sal_uInt16 i = 0;                      // symbol loop counter
+    sal_uInt16 nCounter = 0;               // counts digits
+    nResultStringsCnt = nStringsCnt;       // counts remaining symbols
+    bDecSep = false;                       // reset in case already used in TypeCheck
+    bool bThaiT = false;                   // Thai T NatNum modifier present
+    bool bTimePart = false;
+    bool bDenomin = false;                 // Set when reading end of denominator
+
+    switch (eScannedType)
+    {
+    case SvNumFormatType::TEXT:
+    case SvNumFormatType::DEFINED:
+        while (i < nStringsCnt)
+        {
+            switch (nTypeArray[i])
+            {
+            case NF_SYMBOLTYPE_BLANK:
+            case NF_SYMBOLTYPE_STAR:
+                break;
+            case NF_KEY_GENERAL : // #77026# "General" is the same as "@"
+                break;
+            default:
+                if ( nTypeArray[i] != NF_SYMBOLTYPE_DEL ||
+                     sStrArray[i][0] != '@' )
+                {
+                    nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                }
+                break;
+            }
+            nPos = nPos + sStrArray[i].getLength();
+            i++;
+        } // of while
+        break;
+
+    case SvNumFormatType::NUMBER:
+    case SvNumFormatType::PERCENT:
+    case SvNumFormatType::CURRENCY:
+    case SvNumFormatType::SCIENTIFIC:
+    case SvNumFormatType::FRACTION:
+        while (i < nStringsCnt)
+        {
+            // TODO: rechecking eScannedType is unnecessary.
+            // This switch-case is for eScannedType == SvNumFormatType::FRACTION anyway
+            if (eScannedType == SvNumFormatType::FRACTION &&        // special case
+                nTypeArray[i] == NF_SYMBOLTYPE_DEL &&           // # ### #/#
+                StringEqualsChar( sOldThousandSep, ' ' ) &&     // e.g. France or Sweden
+                StringEqualsChar( sStrArray[i], ' ' ) &&
+                !bFrac                          &&
+                IsLastBlankBeforeFrac(i) )
+            {
+                nTypeArray[i] = NF_SYMBOLTYPE_STRING;           // del->string
+            }                                                   // No thousands marker
+
+            if (nTypeArray[i] == NF_SYMBOLTYPE_BLANK    ||
+                nTypeArray[i] == NF_SYMBOLTYPE_STAR ||
+                nTypeArray[i] == NF_KEY_CCC         ||          // CCC
+                nTypeArray[i] == NF_KEY_GENERAL )               // Standard
+            {
+                if (nTypeArray[i] == NF_KEY_GENERAL)
+                {
+                    nThousand = FLAG_STANDARD_IN_FORMAT;
+                    if ( bConvertMode )
+                    {
+                        sStrArray[i] = sNameStandardFormat;
+                    }
+                }
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+            }
+            else if (nTypeArray[i] == NF_SYMBOLTYPE_STRING ||   // No Strings or
+                     nTypeArray[i] > 0)                         // Keywords
+            {
+                if (eScannedType == SvNumFormatType::SCIENTIFIC &&
+                    nTypeArray[i] == NF_KEY_E)                  // E+
+                {
+                    if (bExp)                                   // Double
+                    {
+                        return nPos;
+                    }
+                    bExp = true;
+                    nExpPos = i;
+                    if (bDecSep)
+                    {
+                        nCntPost = nCounter;
+                    }
+                    else
+                    {
+                        nCntPre = nCounter;
+                    }
+                    nCounter = 0;
+                    nTypeArray[i] = NF_SYMBOLTYPE_EXP;
+                }
+                else if (eScannedType == SvNumFormatType::FRACTION &&
+                    (sStrArray[i][0] == ' ' || ( nTypeArray[i] == NF_SYMBOLTYPE_STRING && (sStrArray[i][0] < '0' || sStrArray[i][0] > '9') ) ) )
+                {
+                    if (!bBlank && !bFrac) // Not double or after a /
+                    {
+                        if (bDecSep && nCounter > 0) // Decimal places
+                        {
+                            return nPos; // Error
+                        }
+                        if (sStrArray[i][0] == ' ' ||  nCounter > 0 )   // treat string as integer/fraction delimiter only if there is integer
+                        {
+                            bBlank = true;
+                            nBlankPos = i;
+                            nCntPre = nCounter;
+                            nCounter = 0;
+                            nTypeArray[i] = NF_SYMBOLTYPE_FRACBLANK;
+                        }
+                    }
+                    else if ( sStrArray[i][0] == ' ' )
+                        nTypeArray[i] = NF_SYMBOLTYPE_FRACBLANK;
+                    else if ( bFrac && ( nCounter > 0 ) )
+                        bDenomin = true; // following elements are no more part of denominator
+                }
+                else if (nTypeArray[i] == NF_KEY_THAI_T)
+                {
+                    bThaiT = true;
+                    sStrArray[i] = sKeyword[nTypeArray[i]];
+                }
+                else if (sStrArray[i][0] >= '0' &&
+                         sStrArray[i][0] <= '9' && !bDenomin) // denominator was not yet found
+                {
+                    OUString sDiv;
+                    sal_uInt16 j = i;
+                    while(j < nStringsCnt && sStrArray[j][0] >= '0' && sStrArray[j][0] <= '9')
+                    {
+                        sDiv += sStrArray[j++];
+                    }
+                    assert(j > 0 && "if i is 0, first iteration through loop is guaranteed by surrounding if condition");
+                    if (std::u16string_view(OUString::number(sDiv.toInt32())) == sDiv)
+                    {
+                        // Found a Divisor
+                        while (i < j)
+                        {
+                            nTypeArray[i++] = NF_SYMBOLTYPE_FRAC_FDIV;
+                        }
+                        i = j - 1; // Stop the loop
+                        if (nCntPost)
+                        {
+                            nCounter = nCntPost;
+                        }
+                        else if (nCntPre)
+                        {
+                            nCounter = nCntPre;
+                        }
+                        // don't artificially increment nCntPre for forced denominator
+                        if ( ( eScannedType != SvNumFormatType::FRACTION ) && (!nCntPre) )
+                        {
+                            nCntPre++;
+                        }
+                        if ( bFrac )
+                            bDenomin = true; // next content should be treated as outside denominator
+                    }
+                }
+                else
+                {
+                    if ( bFrac && ( nCounter > 0 ) )
+                        bDenomin = true;    // next content should be treated as outside denominator
+                    nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                }
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+            }
+            else if (nTypeArray[i] == NF_SYMBOLTYPE_DEL)
+            {
+                sal_Unicode cHere = sStrArray[i][0];
+                sal_Unicode cSaved = cHere;
+                // Handle not pre-known separators in switch.
+                sal_Unicode cSimplified;
+                if (StringEqualsChar( pFormatter->GetNumThousandSep(), cHere))
+                {
+                    cSimplified = ',';
+                }
+                else if (StringEqualsChar( pFormatter->GetNumDecimalSep(), cHere))
+                {
+                    cSimplified = '.';
+                }
+                else
+                {
+                    cSimplified = cHere;
+                }
+
+                OUString& rStr = sStrArray[i];
+
+                switch ( cSimplified )
+                {
+                case '#':
+                case '0':
+                case '?':
+                    if (nThousand > 0)                  // #... #
+                    {
+                        return nPos;                    // Error
+                    }
+                    if ( !bDenomin )
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_DIGIT;
+                        nPos = nPos + rStr.getLength();
+                        i++;
+                        nCounter++;
+                        while (i < nStringsCnt &&
+                              (sStrArray[i][0] == '#' ||
+                               sStrArray[i][0] == '0' ||
+                               sStrArray[i][0] == '?'))
+                        {
+                            nTypeArray[i] = NF_SYMBOLTYPE_DIGIT;
+                            nPos = nPos + sStrArray[i].getLength();
+                            nCounter++;
+                            i++;
+                        }
+                    }
+                    else // after denominator, treat any character as text
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                        nPos = nPos + sStrArray[i].getLength();
+                    }
+                    break;
+                case '-':
+                    if ( bDecSep && nDecPos+1 == i &&
+                         nTypeArray[nDecPos] == NF_SYMBOLTYPE_DECSEP )
+                    {
+                        // "0.--"
+                        nTypeArray[i] = NF_SYMBOLTYPE_DIGIT;
+                        nPos = nPos + rStr.getLength();
+                        i++;
+                        nCounter++;
+                        while (i < nStringsCnt &&
+                               (sStrArray[i][0] == '-') )
+                        {
+                            // If more than two dashes are present in
+                            // currency formats the last dash will be
+                            // interpreted literally as a minus sign.
+                            // Has to be this ugly. Period.
+                            if ( eScannedType == SvNumFormatType::CURRENCY
+                                 && rStr.getLength() >= 2 &&
+                                 (i == nStringsCnt-1 ||
+                                  sStrArray[i+1][0] != '-') )
+                            {
+                                break;
+                            }
+                            rStr += sStrArray[i];
+                            nPos = nPos + sStrArray[i].getLength();
+                            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                            nResultStringsCnt--;
+                            nCounter++;
+                            i++;
+                        }
+                    }
+                    else
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                        nPos = nPos + sStrArray[i].getLength();
+                        i++;
+                    }
+                    break;
+                case '.':
+                case ',':
+                case '\'':
+                case ' ':
+                    if ( StringEqualsChar( sOldThousandSep, cSaved ) )
+                    {
+                        // previous char with skip empty
+                        sal_Unicode cPre = PreviousChar(i);
+                        sal_Unicode cNext;
+                        if (bExp || bBlank || bFrac)
+                        {
+                            // after E, / or ' '
+                            if ( !StringEqualsChar( sOldThousandSep, ' ' ) )
+                            {
+                                nPos = nPos + sStrArray[i].getLength();
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                                i++; // eat it
+                            }
+                            else
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                                if ( bFrac && (nCounter > 0) )
+                                    bDenomin = true; // end of denominator
+                            }
+                        }
+                        else if (i > 0 && i < nStringsCnt-1   &&
+                                 (cPre == '#' || cPre == '0' || cPre == '?')      &&
+                                 ((cNext = NextChar(i)) == '#' || cNext == '0' || cNext == '?')) // #,#
+                        {
+                            nPos = nPos + sStrArray[i].getLength();
+                            if (!bThousand) // only once
+                            {
+                                bThousand = true;
+                            }
+                            // Eat it, will be reinserted at proper grouping positions further down.
+                            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                            nResultStringsCnt--;
+                            i++;
+                        }
+                        else if (i > 0 && (cPre == '#' || cPre == '0' || cPre == '?')
+                                 && PreviousType(i) == NF_SYMBOLTYPE_DIGIT
+                                 && nThousand < FLAG_STANDARD_IN_FORMAT )
+                        {   // #,,,,
+                            if ( StringEqualsChar( sOldThousandSep, ' ' ) )
+                            {
+                                // strange, those French...
+                                bool bFirst = true;
+                                //  set a hard No-Break Space or ConvertMode
+                                const OUString& rSepF = pFormatter->GetNumThousandSep();
+                                while ( i < nStringsCnt &&
+                                        sStrArray[i] == sOldThousandSep &&
+                                        StringEqualsChar( sOldThousandSep, NextChar(i) ) )
+                                {   // last was a space or another space
+                                    // is following => separator
+                                    nPos = nPos + sStrArray[i].getLength();
+                                    if ( bFirst )
+                                    {
+                                        bFirst = false;
+                                        rStr = rSepF;
+                                        nTypeArray[i] = NF_SYMBOLTYPE_THSEP;
+                                    }
+                                    else
+                                    {
+                                        rStr += rSepF;
+                                        nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                        nResultStringsCnt--;
+                                    }
+                                    nThousand++;
+                                    i++;
+                                }
+                                if ( i < nStringsCnt-1 &&
+                                     sStrArray[i] == sOldThousandSep )
+                                {
+                                    // something following last space
+                                    // => space if currency contained,
+                                    // else separator
+                                    nPos = nPos + sStrArray[i].getLength();
+                                    if ( (nPos <= nCurrPos &&
+                                          nCurrPos < nPos + sStrArray[i+1].getLength()) ||
+                                         nTypeArray[i+1] == NF_KEY_CCC ||
+                                         (i < nStringsCnt-2 &&
+                                          sStrArray[i+1][0] == '[' &&
+                                          sStrArray[i+2][0] == '$') )
+                                    {
+                                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                                    }
+                                    else
+                                    {
+                                        if ( bFirst )
+                                        {
+                                            rStr = rSepF;
+                                            nTypeArray[i] = NF_SYMBOLTYPE_THSEP;
+                                        }
+                                        else
+                                        {
+                                            rStr += rSepF;
+                                            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                            nResultStringsCnt--;
+                                        }
+                                        nThousand++;
+                                    }
+                                    i++;
+                                }
+                            }
+                            else
+                            {
+                                do
+                                {
+                                    nThousand++;
+                                    nTypeArray[i] = NF_SYMBOLTYPE_THSEP;
+                                    nPos = nPos + sStrArray[i].getLength();
+                                    sStrArray[i] = pFormatter->GetNumThousandSep();
+                                    i++;
+                                }
+                                while (i < nStringsCnt && sStrArray[i] == sOldThousandSep);
+                            }
+                        }
+                        else // any grsep
+                        {
+                            nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            nPos = nPos + rStr.getLength();
+                            i++;
+                            while ( i < nStringsCnt && sStrArray[i] == sOldThousandSep )
+                            {
+                                rStr += sStrArray[i];
+                                nPos = nPos + sStrArray[i].getLength();
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                                i++;
+                            }
+                        }
+                    }
+                    else if ( StringEqualsChar( sOldDecSep, cSaved ) )
+                    {
+                        if (bBlank || bFrac)    // . behind / or ' '
+                        {
+                            return nPos;        // error
+                        }
+                        else if (bExp)          // behind E
+                        {
+                            nPos = nPos + sStrArray[i].getLength();
+                            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                            nResultStringsCnt--;
+                            i++;                // eat it
+                        }
+                        else if (bDecSep)       // any .
+                        {
+                            nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            nPos = nPos + rStr.getLength();
+                            i++;
+                            while ( i < nStringsCnt && sStrArray[i] == sOldDecSep )
+                            {
+                                rStr += sStrArray[i];
+                                nPos = nPos + sStrArray[i].getLength();
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                                i++;
+                            }
+                        }
+                        else
+                        {
+                            nPos = nPos + sStrArray[i].getLength();
+                            nTypeArray[i] = NF_SYMBOLTYPE_DECSEP;
+                            sStrArray[i] = pFormatter->GetNumDecimalSep();
+                            bDecSep = true;
+                            nDecPos = i;
+                            nCntPre = nCounter;
+                            nCounter = 0;
+
+                            i++;
+                        }
+                    } // of else = DecSep
+                    else // . without meaning
+                    {
+                        if (cSaved == ' ' &&
+                            eScannedType == SvNumFormatType::FRACTION &&
+                            StringEqualsChar( sStrArray[i], ' ' ) )
+                        {
+                            if (!bBlank && !bFrac)  // no dups
+                            {                       // or behind /
+                                if (bDecSep && nCounter > 0) // dec.
+                                {
+                                    return nPos; // error
+                                }
+                                bBlank = true;
+                                nBlankPos = i;
+                                nCntPre = nCounter;
+                                nCounter = 0;
+                            }
+                            if ( bFrac && (nCounter > 0) )
+                                bDenomin = true; // next content is not part of denominator
+                            nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            nPos = nPos + sStrArray[i].getLength();
+                        }
+                        else
+                        {
+                            nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            if ( bFrac && (nCounter > 0) )
+                                bDenomin = true; // next content is not part of denominator
+                            nPos = nPos + rStr.getLength();
+                            i++;
+                            while (i < nStringsCnt && StringEqualsChar( sStrArray[i], cSaved ) )
+                            {
+                                rStr += sStrArray[i];
+                                nPos = nPos + sStrArray[i].getLength();
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                                i++;
+                            }
+                        }
+                    }
+                    break;
+                case '/':
+                    if (eScannedType == SvNumFormatType::FRACTION)
+                    {
+                        if ( i == 0 ||
+                             (nTypeArray[i-1] != NF_SYMBOLTYPE_DIGIT &&
+                              nTypeArray[i-1] != NF_SYMBOLTYPE_EMPTY) )
+                        {
+                            return nPos ? nPos : 1; // /? not allowed
+                        }
+                        else if (!bFrac || (bDecSep && nCounter > 0))
+                        {
+                            bFrac = true;
+                            nCntPost = nCounter;
+                            nCounter = 0;
+                            nTypeArray[i] = NF_SYMBOLTYPE_FRAC;
+                            nPos = nPos + sStrArray[i].getLength();
+                            i++;
+                        }
+                        else // / double or in , in the denominator
+                        {
+                            return nPos; // Error
+                        }
+                    }
+                    else
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                        nPos = nPos + sStrArray[i].getLength();
+                        i++;
+                    }
+                    break;
+                case '[' :
+                    if ( eScannedType == SvNumFormatType::CURRENCY &&
+                         i < nStringsCnt-1 &&
+                         nTypeArray[i+1] == NF_SYMBOLTYPE_STRING &&
+                         sStrArray[i+1][0] == '$' )
+                    {
+                        // [$DM-xxx]
+                        nPos = nPos + sStrArray[i].getLength();     // [
+                        nTypeArray[i] = NF_SYMBOLTYPE_CURRDEL;
+                        nPos = nPos + sStrArray[++i].getLength();   // $
+                        sStrArray[i-1] += sStrArray[i];             // [$
+                        nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                        nResultStringsCnt--;
+                        if ( ++i >= nStringsCnt )
+                        {
+                            return nPos; // Error
+                        }
+                        nPos = nPos + sStrArray[i].getLength();     // DM
+                        OUString* pStr = &sStrArray[i];
+                        nTypeArray[i] = NF_SYMBOLTYPE_CURRENCY; // convert
+                        bool bHadDash = false;
+                        i++;
+                        while ( i < nStringsCnt && sStrArray[i][0] != ']' )
+                        {
+                            nPos = nPos + sStrArray[i].getLength();
+                            if ( bHadDash )
+                            {
+                                *pStr += sStrArray[i];
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                            }
+                            else
+                            {
+                                if ( sStrArray[i][0] == '-' )
+                                {
+                                    bHadDash = true;
+                                    pStr = &sStrArray[i];
+                                    nTypeArray[i] = NF_SYMBOLTYPE_CURREXT;
+                                }
+                                else
+                                {
+                                    *pStr += sStrArray[i];
+                                    nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                    nResultStringsCnt--;
+                                }
+                            }
+                            i++;
+                        }
+                        if ( rStr.getLength() && i < nStringsCnt && sStrArray[i][0] == ']' )
+                        {
+                            nTypeArray[i] = NF_SYMBOLTYPE_CURRDEL;
+                            nPos = nPos + sStrArray[i].getLength();
+                            i++;
+                        }
+                        else
+                        {
+                            return nPos; // Error
+                        }
+                    }
+                    else
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                        nPos = nPos + sStrArray[i].getLength();
+                        i++;
+                    }
+                    break;
+                default: // Other Dels
+                    if (eScannedType == SvNumFormatType::PERCENT && cHere == '%')
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_PERCENT;
+                    }
+                    else
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                    }
+                    nPos = nPos + sStrArray[i].getLength();
+                    i++;
+                    break;
+                } // of switch (Del)
+            } // of else Del
+            else
+            {
+                SAL_WARN( "svl.numbers", "unknown NF_SYMBOLTYPE_..." );
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+            }
+        } // of while
+        if (eScannedType == SvNumFormatType::FRACTION)
+        {
+            if (bFrac)
+            {
+                nCntExp = nCounter;
+            }
+            else if (bBlank)
+            {
+                nCntPost = nCounter;
+            }
+            else
+            {
+                nCntPre = nCounter;
+            }
+        }
+        else
+        {
+            if (bExp)
+            {
+                nCntExp = nCounter;
+            }
+            else if (bDecSep)
+            {
+                nCntPost = nCounter;
+            }
+            else
+            {
+                nCntPre = nCounter;
+            }
+        }
+        if (bThousand) // Expansion of grouping separators
+        {
+            sal_uInt16 nMaxPos;
+            if (bFrac)
+            {
+                if (bBlank)
+                {
+                    nMaxPos = nBlankPos;
+                }
+                else
+                {
+                    nMaxPos = 0;                // no grouping
+                }
+            }
+            else if (bDecSep)                   // decimal separator present
+            {
+                nMaxPos = nDecPos;
+            }
+            else if (bExp)                      // 'E' exponent present
+            {
+                nMaxPos = nExpPos;
+            }
+            else                                // up to end
+            {
+                nMaxPos = i;
+            }
+            // Insert separators at proper positions.
+            sal_Int32 nCount = 0;
+            utl::DigitGroupingIterator aGrouping( pLoc->getDigitGrouping());
+            size_t nFirstDigitSymbol = nMaxPos;
+            size_t nFirstGroupingSymbol = nMaxPos;
+            i = nMaxPos;
+            while (i-- > 0)
+            {
+                if (nTypeArray[i] == NF_SYMBOLTYPE_DIGIT)
+                {
+                    nFirstDigitSymbol = i;
+                    nCount = nCount + sStrArray[i].getLength(); // MSC converts += to int and then warns, so ...
+                    // Insert separator only if not leftmost symbol.
+                    if (i > 0 && nCount >= aGrouping.getPos())
+                    {
+                        DBG_ASSERT( sStrArray[i].getLength() == 1,
+                                    "ImpSvNumberformatScan::FinalScan: combined digits in group separator insertion");
+                        if (!InsertSymbol( i, NF_SYMBOLTYPE_THSEP, pFormatter->GetNumThousandSep()))
+                        {
+                            // nPos isn't correct here, but signals error
+                            return nPos;
+                        }
+                        // i may have been decremented by 1
+                        nFirstDigitSymbol = i + 1;
+                        nFirstGroupingSymbol = i;
+                        aGrouping.advance();
+                    }
+                }
+            }
+            // Generated something like "string",000; remove separator again.
+            if (nFirstGroupingSymbol < nFirstDigitSymbol)
+            {
+                nTypeArray[nFirstGroupingSymbol] = NF_SYMBOLTYPE_EMPTY;
+                nResultStringsCnt--;
+            }
+        }
+        // Combine digits into groups to save memory (Info will be copied
+        // later, taking only non-empty symbols).
+        for (i = 0; i < nStringsCnt; ++i)
+        {
+            if (nTypeArray[i] == NF_SYMBOLTYPE_DIGIT)
+            {
+                OUString& rStr = sStrArray[i];
+                while (++i < nStringsCnt && nTypeArray[i] == NF_SYMBOLTYPE_DIGIT)
+                {
+                    rStr += sStrArray[i];
+                    nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                    nResultStringsCnt--;
+                }
+            }
+        }
+        break; // of SvNumFormatType::NUMBER
+    case SvNumFormatType::DATE:
+        while (i < nStringsCnt)
+        {
+            switch (nTypeArray[i])
+            {
+            case NF_SYMBOLTYPE_BLANK:
+            case NF_SYMBOLTYPE_STAR:
+            case NF_SYMBOLTYPE_STRING:
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_SYMBOLTYPE_DEL:
+                int nCalRet;
+                if (sStrArray[i] == sOldDateSep)
+                {
+                    nTypeArray[i] = NF_SYMBOLTYPE_DATESEP;
+                    nPos = nPos + sStrArray[i].getLength();
+                    if (bConvertMode)
+                    {
+                        sStrArray[i] = pFormatter->GetDateSep();
+                    }
+                    i++;
+                }
+                else if ( (nCalRet = FinalScanGetCalendar( nPos, i, nResultStringsCnt )) != 0 )
+                {
+                    if ( nCalRet < 0  )
+                    {
+                        return nPos; // error
+                    }
+                }
+                else
+                {
+                    nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                    nPos = nPos + sStrArray[i].getLength();
+                    i++;
+                }
+                break;
+            case NF_KEY_THAI_T :
+                bThaiT = true;
+                [[fallthrough]];
+            case NF_KEY_M:                          // M
+            case NF_KEY_MM:                         // MM
+            case NF_KEY_MMM:                        // MMM
+            case NF_KEY_MMMM:                       // MMMM
+            case NF_KEY_MMMMM:                      // MMMMM
+            case NF_KEY_Q:                          // Q
+            case NF_KEY_QQ:                         // QQ
+            case NF_KEY_D:                          // D
+            case NF_KEY_DD:                         // DD
+            case NF_KEY_DDD:                        // DDD
+            case NF_KEY_DDDD:                       // DDDD
+            case NF_KEY_YY:                         // YY
+            case NF_KEY_YYYY:                       // YYYY
+            case NF_KEY_NN:                         // NN
+            case NF_KEY_NNN:                        // NNN
+            case NF_KEY_NNNN:                       // NNNN
+            case NF_KEY_WW :                        // WW
+            case NF_KEY_AAA :                       // AAA
+            case NF_KEY_AAAA :                      // AAAA
+            case NF_KEY_EC :                        // E
+            case NF_KEY_EEC :                       // EE
+            case NF_KEY_G :                         // G
+            case NF_KEY_GG :                        // GG
+            case NF_KEY_GGG :                       // GGG
+            case NF_KEY_R :                         // R
+            case NF_KEY_RR :                        // RR
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                if (bNewDateOrder)
+                {
+                    // For simple numeric date formats record date order and
+                    // later rearrange.
+                    switch (nTypeArray[i])
+                    {
+                        case NF_KEY_M:
+                        case NF_KEY_MM:
+                            if (nMonthPos == SAL_MAX_UINT16)
+                                nMonthPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        case NF_KEY_D:
+                        case NF_KEY_DD:
+                            if (nDayPos == SAL_MAX_UINT16)
+                                nDayPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        case NF_KEY_YY:
+                        case NF_KEY_YYYY:
+                            if (nYearPos == SAL_MAX_UINT16)
+                                nYearPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                }
+                i++;
+                break;
+            default: // Other keywords
+                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            }
+        } // of while
+        break; // of SvNumFormatType::DATE
+    case SvNumFormatType::TIME:
+        while (i < nStringsCnt)
+        {
+            sal_Unicode cChar;
+
+            switch (nTypeArray[i])
+            {
+            case NF_SYMBOLTYPE_BLANK:
+            case NF_SYMBOLTYPE_STAR:
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_SYMBOLTYPE_DEL:
+                switch( sStrArray[i][0] )
+                {
+                case '0':
+                    if ( Is100SecZero( i, bDecSep ) )
+                    {
+                        bDecSep = true;
+                        nTypeArray[i] = NF_SYMBOLTYPE_DIGIT;
+                        OUString& rStr = sStrArray[i];
+
+                        nCounter++;
+                        i++;
+                        while (i < nStringsCnt &&
+                               sStrArray[i][0] == '0')
+                        {
+                            rStr += sStrArray[i];
+                            nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                            nResultStringsCnt--;
+                            nCounter++;
+                            i++;
+                        }
+                        nPos += rStr.getLength();
+                    }
+                    else
+                    {
+                        return nPos;
+                    }
+                    break;
+                case '#':
+                case '?':
+                    return nPos;
+                case '[':
+                    if (bThousand) // Double
+                    {
+                        return nPos;
+                    }
+                    bThousand = true; // Empty for Time
+                    cChar = pChrCls->uppercase(OUString(NextChar(i)))[0];
+                    if ( cChar == cOldKeyH )
+                    {
+                        nThousand = 1;      // H
+                    }
+                    else if ( cChar == cOldKeyMI )
+                    {
+                        nThousand = 2;      // M
+                    }
+                    else if ( cChar == cOldKeyS )
+                    {
+                        nThousand = 3;      // S
+                    }
+                    else
+                    {
+                        return nPos;
+                    }
+                    nPos = nPos + sStrArray[i].getLength();
+                    i++;
+                    break;
+                case ']':
+                    if (!bThousand) // No preceding [
+                    {
+                        return nPos;
+                    }
+                    nPos = nPos + sStrArray[i].getLength();
+                    i++;
+                    break;
+                default:
+                    nPos = nPos + sStrArray[i].getLength();
+                    if ( sStrArray[i] == sOldTimeSep )
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_TIMESEP;
+                        if ( bConvertMode )
+                        {
+                            sStrArray[i] = pLoc->getTimeSep();
+                        }
+                    }
+                    else if ( sStrArray[i] == sOldTime100SecSep )
+                    {
+                        bDecSep = true;
+                        nTypeArray[i] = NF_SYMBOLTYPE_TIME100SECSEP;
+                        if ( bConvertMode )
+                        {
+                            sStrArray[i] = pLoc->getTime100SecSep();
+                        }
+                    }
+                    else
+                    {
+                        nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                    }
+                    i++;
+                    break;
+                }
+                break;
+            case NF_SYMBOLTYPE_STRING:
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_KEY_AMPM:                       // AM/PM
+            case NF_KEY_AP:                         // A/P
+                bExp = true;                        // Abuse for A/P
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_KEY_THAI_T :
+                bThaiT = true;
+                [[fallthrough]];
+            case NF_KEY_MI:                         // M
+            case NF_KEY_MMI:                        // MM
+            case NF_KEY_H:                          // H
+            case NF_KEY_HH:                         // HH
+            case NF_KEY_S:                          // S
+            case NF_KEY_SS:                         // SS
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            default: // Other keywords
+                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            }
+        }                                       // of while
+        nCntPost = nCounter;                    // Zero counter
+        if (bExp)
+        {
+            nCntExp = 1;                        // Remembers AM/PM
+        }
+        break;                                 // of SvNumFormatType::TIME
+    case SvNumFormatType::DATETIME:
+        while (i < nStringsCnt)
+        {
+            int nCalRet;
+            switch (nTypeArray[i])
+            {
+            case NF_SYMBOLTYPE_BLANK:
+            case NF_SYMBOLTYPE_STAR:
+            case NF_SYMBOLTYPE_STRING:
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_SYMBOLTYPE_DEL:
+                if ( (nCalRet = FinalScanGetCalendar( nPos, i, nResultStringsCnt )) != 0 )
+                {
+                    if ( nCalRet < 0  )
+                    {
+                        return nPos; // Error
+                    }
+                }
+                else
+                {
+                    switch( sStrArray[i][0] )
+                    {
+                    case '0':
+                        if (bTimePart && Is100SecZero(i, bDecSep) && nCounter < MaxCntPost)
+                        {
+                            bDecSep = true;
+                            nTypeArray[i] = NF_SYMBOLTYPE_DIGIT;
+                            OUString& rStr = sStrArray[i];
+                            nCounter++;
+                            i++;
+                            while (i < nStringsCnt &&
+                                   sStrArray[i][0] == '0' && nCounter < MaxCntPost)
+                            {
+                                rStr += sStrArray[i];
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                                nCounter++;
+                                i++;
+                            }
+                            nPos += rStr.getLength();
+                        }
+                        else
+                        {
+                            return nPos;
+                        }
+                        break;
+                    case '#':
+                    case '?':
+                        return nPos;
+                    default:
+                        nPos = nPos + sStrArray[i].getLength();
+                        if (bTimePart)
+                        {
+                            if ( sStrArray[i] == sOldTimeSep )
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_TIMESEP;
+                                if ( bConvertMode )
+                                {
+                                    sStrArray[i] = pLoc->getTimeSep();
+                                }
+                            }
+                            else if ( sStrArray[i] == sOldTime100SecSep )
+                            {
+                                bDecSep = true;
+                                nTypeArray[i] = NF_SYMBOLTYPE_TIME100SECSEP;
+                                if ( bConvertMode )
+                                {
+                                    sStrArray[i] = pLoc->getTime100SecSep();
+                                }
+                            }
+                            else
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            }
+                        }
+                        else
+                        {
+                            if ( sStrArray[i] == sOldDateSep )
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_DATESEP;
+                                if (bConvertMode)
+                                    sStrArray[i] = pFormatter->GetDateSep();
+                            }
+                            else
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                            }
+                        }
+                        i++;
+                        break;
+                    }
+                }
+                break;
+            case NF_KEY_AMPM:                       // AM/PM
+            case NF_KEY_AP:                         // A/P
+                bTimePart = true;
+                bExp = true;                        // Abuse for A/P
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_KEY_MI:                         // M
+            case NF_KEY_MMI:                        // MM
+            case NF_KEY_H:                          // H
+            case NF_KEY_HH:                         // HH
+            case NF_KEY_S:                          // S
+            case NF_KEY_SS:                         // SS
+                bTimePart = true;
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            case NF_KEY_M:                          // M
+            case NF_KEY_MM:                         // MM
+            case NF_KEY_MMM:                        // MMM
+            case NF_KEY_MMMM:                       // MMMM
+            case NF_KEY_MMMMM:                      // MMMMM
+            case NF_KEY_Q:                          // Q
+            case NF_KEY_QQ:                         // QQ
+            case NF_KEY_D:                          // D
+            case NF_KEY_DD:                         // DD
+            case NF_KEY_DDD:                        // DDD
+            case NF_KEY_DDDD:                       // DDDD
+            case NF_KEY_YY:                         // YY
+            case NF_KEY_YYYY:                       // YYYY
+            case NF_KEY_NN:                         // NN
+            case NF_KEY_NNN:                        // NNN
+            case NF_KEY_NNNN:                       // NNNN
+            case NF_KEY_WW :                        // WW
+            case NF_KEY_AAA :                       // AAA
+            case NF_KEY_AAAA :                      // AAAA
+            case NF_KEY_EC :                        // E
+            case NF_KEY_EEC :                       // EE
+            case NF_KEY_G :                         // G
+            case NF_KEY_GG :                        // GG
+            case NF_KEY_GGG :                       // GGG
+            case NF_KEY_R :                         // R
+            case NF_KEY_RR :                        // RR
+                bTimePart = false;
+                sStrArray[i] = sKeyword[nTypeArray[i]]; // tTtT -> TTTT
+                nPos = nPos + sStrArray[i].getLength();
+                if (bNewDateOrder)
+                {
+                    // For simple numeric date formats record date order and
+                    // later rearrange.
+                    switch (nTypeArray[i])
+                    {
+                        case NF_KEY_M:
+                        case NF_KEY_MM:
+                            if (nMonthPos == SAL_MAX_UINT16)
+                                nMonthPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        case NF_KEY_D:
+                        case NF_KEY_DD:
+                            if (nDayPos == SAL_MAX_UINT16)
+                                nDayPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        case NF_KEY_YY:
+                        case NF_KEY_YYYY:
+                            if (nYearPos == SAL_MAX_UINT16)
+                                nYearPos = i;
+                            else
+                                bNewDateOrder = false;
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                }
+                i++;
+                break;
+            case NF_KEY_THAI_T :
+                bThaiT = true;
+                sStrArray[i] = sKeyword[nTypeArray[i]];
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            default: // Other keywords
+                nTypeArray[i] = NF_SYMBOLTYPE_STRING;
+                nPos = nPos + sStrArray[i].getLength();
+                i++;
+                break;
+            }
+        } // of while
+        nCntPost = nCounter; // decimals (100th seconds)
+        if (bExp)
+        {
+            nCntExp = 1; // Remembers AM/PM
+        }
+        break; // of SvNumFormatType::DATETIME
+    default:
+        break;
+    }
+    if (eScannedType == SvNumFormatType::SCIENTIFIC &&
+        (nCntPre + nCntPost == 0 || nCntExp == 0))
+    {
+        return nPos;
+    }
+    else if (eScannedType == SvNumFormatType::FRACTION && (nCntExp > 8 || nCntExp == 0))
+    {
+        return nPos;
+    }
+    if (bThaiT && !GetNatNumModifier())
+    {
+        SetNatNumModifier(1);
+    }
+    if ( bConvertMode )
+    {
+        if (bNewDateOrder && sOldDateSep == "-")
+        {
+            // Keep ISO formats Y-M-D, Y-M and M-D
+            if (IsDateFragment( nYearPos, nMonthPos))
+            {
+                nTypeArray[nYearPos+1] = NF_SYMBOLTYPE_STRING;
+                sStrArray[nYearPos+1] = sOldDateSep;
+                bNewDateOrder = false;
+            }
+            if (IsDateFragment( nMonthPos, nDayPos))
+            {
+                nTypeArray[nMonthPos+1] = NF_SYMBOLTYPE_STRING;
+                sStrArray[nMonthPos+1] = sOldDateSep;
+                bNewDateOrder = false;
+            }
+        }
+        if (bNewDateOrder)
+        {
+            // Rearrange date order to the target locale if the original order
+            // includes date separators and is adjacent.
+            /* TODO: for incomplete dates trailing separators need to be
+             * handled according to the locale's usage, e.g. en-US M/D should
+             * be converted to de-DE D.M. and vice versa. As is, it's
+             * M/D -> D.M and D.M. -> M/D/ where specifically the latter looks
+             * odd. Check accepted date patterns and append/remove? */
+            switch (eOldDateOrder)
+            {
+                case DateOrder::DMY:
+                    switch (pLoc->getDateOrder())
+                    {
+                        case DateOrder::MDY:
+                            // Convert only if the actual format is not of YDM
+                            // order (which would be a completely unusual order
+                            // anyway, but..), e.g. YYYY.DD.MM not to
+                            // YYYY/MM/DD
+                            if (IsDateFragment( nDayPos, nMonthPos) && !IsDateFragment( nYearPos, nDayPos))
+                                SwapArrayElements( nDayPos, nMonthPos);
+                        break;
+                        case DateOrder::YMD:
+                            if (nYearPos != SAL_MAX_UINT16)
+                            {
+                                if (IsDateFragment( nDayPos, nMonthPos) && IsDateFragment( nMonthPos, nYearPos))
+                                    SwapArrayElements( nDayPos, nYearPos);
+                            }
+                            else
+                            {
+                                if (IsDateFragment( nDayPos, nMonthPos))
+                                    SwapArrayElements( nDayPos, nMonthPos);
+                            }
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                break;
+                case DateOrder::MDY:
+                    switch (pLoc->getDateOrder())
+                    {
+                        case DateOrder::DMY:
+                            // Convert only if the actual format is not of YMD
+                            // order, e.g. YYYY/MM/DD not to YYYY.DD.MM
+                            /* TODO: convert such to DD.MM.YYYY instead? */
+                            if (IsDateFragment( nMonthPos, nDayPos) && !IsDateFragment( nYearPos, nMonthPos))
+                                SwapArrayElements( nMonthPos, nDayPos);
+                        break;
+                        case DateOrder::YMD:
+                            if (nYearPos != SAL_MAX_UINT16)
+                            {
+                                if (IsDateFragment( nMonthPos, nDayPos) && IsDateFragment( nDayPos, nYearPos))
+                                {
+                                    SwapArrayElements( nYearPos, nMonthPos);    // YDM
+                                    SwapArrayElements( nYearPos, nDayPos);      // YMD
+                                }
+                            }
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                break;
+                case DateOrder::YMD:
+                    switch (pLoc->getDateOrder())
+                    {
+                        case DateOrder::DMY:
+                            if (nYearPos != SAL_MAX_UINT16)
+                            {
+                                if (IsDateFragment( nYearPos, nMonthPos) && IsDateFragment( nMonthPos, nDayPos))
+                                    SwapArrayElements( nYearPos, nDayPos);
+                            }
+                            else
+                            {
+                                if (IsDateFragment( nMonthPos, nDayPos))
+                                    SwapArrayElements( nMonthPos, nDayPos);
+                            }
+                        break;
+                        case DateOrder::MDY:
+                            if (nYearPos != SAL_MAX_UINT16)
+                            {
+                                if (IsDateFragment( nYearPos, nMonthPos) && IsDateFragment( nMonthPos, nDayPos))
+                                {
+                                    SwapArrayElements( nYearPos, nDayPos);      // DMY
+                                    SwapArrayElements( nYearPos, nMonthPos);    // MDY
+                                }
+                            }
+                        break;
+                        default:
+                            ;   // nothing
+                    }
+                break;
+                default:
+                    ;   // nothing
+            }
+        }
+        // strings containing keywords of the target locale must be quoted, so
+        // the user sees the difference and is able to edit the format string
+        for ( i=0; i < nStringsCnt; i++ )
+        {
+            if ( nTypeArray[i] == NF_SYMBOLTYPE_STRING &&
+                 sStrArray[i][0] != '\"' )
+            {
+                if ( bConvertSystemToSystem && eScannedType == SvNumFormatType::CURRENCY )
+                {
+                    // don't stringize automatic currency, will be converted
+                    if ( sStrArray[i] == sOldCurSymbol )
+                    {
+                        continue; // for
+                    }
+                    // DM might be split into D and M
+                    if ( sStrArray[i].getLength() < sOldCurSymbol.getLength() &&
+                         pChrCls->uppercase( sStrArray[i], 0, 1 )[0] ==
+                         sOldCurString[0] )
+                    {
+                        OUString aTmp( sStrArray[i] );
+                        sal_uInt16 j = i + 1;
+                        while ( aTmp.getLength() < sOldCurSymbol.getLength() &&
+                                j < nStringsCnt &&
+                                nTypeArray[j] == NF_SYMBOLTYPE_STRING )
+                        {
+                            aTmp += sStrArray[j++];
+                        }
+                        if ( pChrCls->uppercase( aTmp ) == sOldCurString )
+                        {
+                            sStrArray[i++] = aTmp;
+                            for ( ; i<j; i++ )
+                            {
+                                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                                nResultStringsCnt--;
+                            }
+                            i = j - 1;
+                            continue; // for
+                        }
+                    }
+                }
+                OUString& rStr = sStrArray[i];
+                sal_Int32 nLen = rStr.getLength();
+                for ( sal_Int32 j = 0; j < nLen; j++ )
+                {
+                    bool bFoundEnglish = false;
+                    if ( (j == 0 || rStr[j - 1] != '\\') && GetKeyWord( rStr, j, bFoundEnglish) )
+                    {
+                        rStr = "\"" + rStr + "\"";
+                        break; // for
+                    }
+                }
+            }
+        }
+    }
+    // Concatenate strings, remove quotes for output, and rebuild the format string
+    rString.clear();
+    i = 0;
+    while (i < nStringsCnt)
+    {
+        sal_Int32 nStringPos;
+        sal_Int32 nArrPos = 0;
+        sal_uInt16 iPos = i;
+        switch ( nTypeArray[i] )
+        {
+        case NF_SYMBOLTYPE_STRING :
+        case NF_SYMBOLTYPE_FRACBLANK :
+            nStringPos = rString.getLength();
+            do
+            {
+                if (sStrArray[i].getLength() == 2 &&
+                    sStrArray[i][0] == '\\')
+                {
+                    // Unescape some simple forms of symbols even in the UI
+                    // visible string to prevent duplicates that differ
+                    // only in notation, originating from import.
+                    // e.g. YYYY-MM-DD and YYYY\-MM\-DD are identical,
+                    // but 0\ 000 0 and 0 000 0 in a French locale are not.
+
+                    sal_Unicode c = sStrArray[i][1];
+
+                    switch (c)
+                    {
+                    case '+':
+                    case '-':
+                        rString += OUStringChar(c);
+                        break;
+                    case ' ':
+                    case '.':
+                    case '/':
+                        if (!(eScannedType & SvNumFormatType::DATE) &&
+                            (StringEqualsChar( pFormatter->GetNumThousandSep(), c) ||
+                             StringEqualsChar( pFormatter->GetNumDecimalSep(), c) ||
+                             (c == ' ' &&
+                              (StringEqualsChar( pFormatter->GetNumThousandSep(), cNoBreakSpace) ||
+                               StringEqualsChar( pFormatter->GetNumThousandSep(), cNarrowNoBreakSpace)))))
+                        {
+                            rString += sStrArray[i];
+                        }
+                        else if ((eScannedType & SvNumFormatType::DATE) &&
+                                 StringEqualsChar( pFormatter->GetDateSep(), c))
+                        {
+                            rString += sStrArray[i];
+                        }
+                        else if ((eScannedType & SvNumFormatType::TIME) &&
+                                 (StringEqualsChar( pLoc->getTimeSep(), c) ||
+                                  StringEqualsChar( pLoc->getTime100SecSep(), c)))
+                        {
+                            rString += sStrArray[i];
+                        }
+                        else if (eScannedType & SvNumFormatType::FRACTION)
+                        {
+                            rString += sStrArray[i];
+                        }
+                        else
+                        {
+                            rString += OUStringChar(c);
+                        }
+                        break;
+                    default:
+                        rString += sStrArray[i];
+                    }
+                }
+                else
+                {
+                    rString += sStrArray[i];
+                }
+                if ( RemoveQuotes( sStrArray[i] ) > 0 )
+                {
+                    // update currency up to quoted string
+                    if ( eScannedType == SvNumFormatType::CURRENCY )
+                    {
+                        // dM -> DM  or  DM -> $  in old automatic
+                        // currency formats, oh my ..., why did we ever introduce them?
+                        OUString aTmp( pChrCls->uppercase( sStrArray[iPos], nArrPos,
+                                                           sStrArray[iPos].getLength()-nArrPos ) );
+                        sal_Int32 nCPos = aTmp.indexOf( sOldCurString );
+                        if ( nCPos >= 0 )
+                        {
+                            const OUString& rCur = bConvertMode && bConvertSystemToSystem ?
+                                GetCurSymbol() : sOldCurSymbol;
+                            sStrArray[iPos] = sStrArray[iPos].replaceAt( nArrPos + nCPos,
+                                                                         sOldCurString.getLength(),
+                                                                         rCur );
+                            rString = rString.replaceAt( nStringPos + nCPos,
+                                                         sOldCurString.getLength(),
+                                                         rCur );
+                        }
+                        nStringPos = rString.getLength();
+                        if ( iPos == i )
+                        {
+                            nArrPos = sStrArray[iPos].getLength();
+                        }
+                        else
+                        {
+                            nArrPos = sStrArray[iPos].getLength() + sStrArray[i].getLength();
+                        }
+                    }
+                }
+                if ( iPos != i )
+                {
+                    sStrArray[iPos] += sStrArray[i];
+                    nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                    nResultStringsCnt--;
+                }
+                i++;
+            }
+            while ( i < nStringsCnt && nTypeArray[i] == NF_SYMBOLTYPE_STRING );
+
+            if ( i < nStringsCnt )
+            {
+                i--; // enter switch on next symbol again
+            }
+            if ( eScannedType == SvNumFormatType::CURRENCY && nStringPos < rString.getLength() )
+            {
+                // same as above, since last RemoveQuotes
+                OUString aTmp( pChrCls->uppercase( sStrArray[iPos], nArrPos,
+                                                   sStrArray[iPos].getLength()-nArrPos ) );
+                sal_Int32 nCPos = aTmp.indexOf( sOldCurString );
+                if ( nCPos >= 0 )
+                {
+                    const OUString& rCur = bConvertMode && bConvertSystemToSystem ?
+                        GetCurSymbol() : sOldCurSymbol;
+                    sStrArray[iPos] = sStrArray[iPos].replaceAt( nArrPos + nCPos,
+                                                                 sOldCurString.getLength(),
+                                                                 rCur );
+                    rString = rString.replaceAt( nStringPos + nCPos,
+                                                 sOldCurString.getLength(), rCur );
+                }
+            }
+            break;
+        case NF_SYMBOLTYPE_CURRENCY :
+            rString += sStrArray[i];
+            RemoveQuotes( sStrArray[i] );
+            break;
+        case NF_KEY_THAI_T:
+            if (bThaiT && GetNatNumModifier() == 1)
+            {
+                // Remove T from format code, will be replaced with a [NatNum1] prefix.
+                nTypeArray[i] = NF_SYMBOLTYPE_EMPTY;
+                nResultStringsCnt--;
+            }
+            else
+            {
+                rString += sStrArray[i];
+            }
+            break;
+        case NF_SYMBOLTYPE_EMPTY :
+            // nothing
+            break;
+        default:
+            rString += sStrArray[i];
+        }
+        i++;
+    }
+    return 0;
+}
+
+sal_Int32 ImpSvNumberformatScan::RemoveQuotes( OUString& rStr )
+{
+    if ( rStr.getLength() > 1 )
+    {
+        sal_Unicode c = rStr[0];
+        sal_Int32 n = rStr.getLength() - 1;
+        if ( c == '"' && rStr[n] == '"' )
+        {
+            rStr = rStr.copy( 1, n-1);
+            return 2;
+        }
+        else if ( c == '\\' )
+        {
+            rStr = rStr.copy(1);
+            return 1;
+        }
+    }
+    return 0;
+}
+
+sal_Int32 ImpSvNumberformatScan::ScanFormat( OUString& rString )
+{
+    sal_Int32 res = Symbol_Division(rString); // Lexical analysis
+    if (!res)
+    {
+        res = ScanType(); // Recognizing the Format type
+    }
+    if (!res)
+    {
+        res = FinalScan( rString ); // Type dependent final analysis
+    }
+    return res; // res = control position; res = 0 => Format ok
+}
+
+void ImpSvNumberformatScan::CopyInfo(ImpSvNumberformatInfo* pInfo, sal_uInt16 nCnt)
+{
+    size_t i,j;
+    j = 0;
+    i = 0;
+    while (i < nCnt && j < NF_MAX_FORMAT_SYMBOLS)
+    {
+        if (nTypeArray[j] != NF_SYMBOLTYPE_EMPTY)
+        {
+            pInfo->sStrArray[i]  = sStrArray[j];
+            pInfo->nTypeArray[i] = nTypeArray[j];
+            i++;
+        }
+        j++;
+    }
+    pInfo->eScannedType = eScannedType;
+    pInfo->bThousand    = bThousand;
+    pInfo->nThousand    = nThousand;
+    pInfo->nCntPre      = nCntPre;
+    pInfo->nCntPost     = nCntPost;
+    pInfo->nCntExp      = nCntExp;
+}
+
+bool ImpSvNumberformatScan::ReplaceBooleanEquivalent( OUString& rString )
+{
+    InitKeywords();
+    /* TODO: compare case insensitive? Or rather leave as is and case not
+     * matching indicates user supplied on purpose? Written to file / generated
+     * was always uppercase. */
+    if (rString == sBooleanEquivalent1 || rString == sBooleanEquivalent2)
+    {
+        rString = GetKeywords()[NF_KEY_BOOLEAN];
+        return true;
+    }
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/numbers/zforscan.hxx b/svl/source/numbers/zforscan.hxx
new file mode 100644
index 0000000000..c160dd424e
--- /dev/null
+++ b/svl/source/numbers/zforscan.hxx
@@ -0,0 +1,304 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_SVL_SOURCE_NUMBERS_ZFORSCAN_HXX
+#define INCLUDED_SVL_SOURCE_NUMBERS_ZFORSCAN_HXX
+
+#include <i18nlangtag/lang.h>
+#include <rtl/ustring.hxx>
+#include <svl/nfkeytab.hxx>
+#include <svl/nfsymbol.hxx>
+#include <svl/numformat.hxx>
+#include <svl/zforlist.hxx>
+#include <tools/color.hxx>
+#include <tools/date.hxx>
+#include <unotools/localedatawrapper.hxx>
+
+class SvNumberFormatter;
+struct ImpSvNumberformatInfo;
+
+
+const size_t NF_MAX_DEFAULT_COLORS   = 10;
+
+// Hack: nThousand==1000 => "Default" occurs in format string
+const sal_uInt16 FLAG_STANDARD_IN_FORMAT = 1000;
+
+class ImpSvNumberformatScan
+{
+public:
+
+    /** Specify what keyword localization is allowed when scanning the format code. */
+    enum class KeywordLocalization
+    {
+        LocaleLegacy,   ///< unfortunately localized in few locales, otherwise English
+        EnglishOnly,    ///< only English, no localized keywords
+        AllowEnglish    ///< allow English keywords as well as localized keywords
+    };
+
+    explicit ImpSvNumberformatScan( SvNumberFormatter* pFormatter );
+    ~ImpSvNumberformatScan();
+    void ChangeIntl( KeywordLocalization eKeywordLocalization = KeywordLocalization::AllowEnglish ); // Replaces Keywords
+
+    void ChangeNullDate(sal_uInt16 nDay, sal_uInt16 nMonth, sal_Int16 nYear); // Replaces reference date
+    void ChangeStandardPrec(sal_uInt16 nPrec); // Replaces standard precision
+
+    sal_Int32 ScanFormat( OUString& rString ); // Call scan analysis
+
+    void CopyInfo(ImpSvNumberformatInfo* pInfo,
+                     sal_uInt16 nCnt); // Copies the FormatInfo
+    sal_uInt16 GetResultStringsCnt() const      { return nResultStringsCnt; }
+
+    const CharClass& GetChrCls() const          { return *pFormatter->GetCharClass(); }
+    const LocaleDataWrapper& GetLoc() const     { return *pFormatter->GetLocaleData(); }
+    CalendarWrapper& GetCal() const             { return *pFormatter->GetCalendar(); }
+
+    const NfKeywordTable & GetKeywords() const
+        {
+            if ( bKeywordsNeedInit )
+            {
+                InitKeywords();
+            }
+            return sKeyword;
+        }
+
+    static const NfKeywordTable & GetEnglishKeywords()
+        {
+            return sEnglishKeyword;
+        }
+
+    // Keywords used in output like true and false
+    const OUString& GetSpecialKeyword( NfKeywordIndex eIdx ) const
+        {
+            if ( sKeyword[eIdx].isEmpty() )
+            {
+                InitSpecialKeyword( eIdx );
+            }
+            return sKeyword[eIdx];
+        }
+    const OUString& GetTrueString() const     { return GetSpecialKeyword( NF_KEY_TRUE ); }
+    const OUString& GetFalseString() const    { return GetSpecialKeyword( NF_KEY_FALSE ); }
+    const OUString& GetRedString() const      { return GetKeywords()[NF_KEY_RED]; }
+    const OUString& GetBooleanString() const  { return GetKeywords()[NF_KEY_BOOLEAN]; }
+    static const ::std::vector<Color> & GetStandardColors()
+        {
+            return StandardColor;
+        }
+    static size_t GetMaxDefaultColors()
+        {
+            return NF_MAX_DEFAULT_COLORS;
+        }
+
+    const Date& GetNullDate() const           { return maNullDate; }
+    const OUString& GetStandardName() const
+        {
+            if ( bKeywordsNeedInit )
+            {
+                InitKeywords();
+            }
+            return sNameStandardFormat;
+        }
+    sal_uInt16 GetStandardPrec() const          { return nStandardPrec; }
+    static const Color& GetRedColor()           { return StandardColor[4]; }
+    const Color* GetColor(OUString& sStr) const; // Set main colors or defines colors
+
+    // the compatibility currency symbol for old automatic currency formats
+    const OUString& GetCurSymbol() const
+        {
+            if ( bCompatCurNeedInit )
+            {
+                InitCompatCur();
+            }
+            return sCurSymbol;
+        }
+
+    // the compatibility currency abbreviation for CCC format code
+    const OUString& GetCurAbbrev() const
+        {
+            if ( bCompatCurNeedInit )
+            {
+                InitCompatCur();
+            }
+            return sCurAbbrev;
+        }
+
+    // the compatibility currency symbol upper case for old automatic currency formats
+    const OUString& GetCurString() const
+        {
+            if ( bCompatCurNeedInit )
+            {
+                InitCompatCur();
+            }
+            return sCurString;
+        }
+
+    /// Replace Boolean equivalent format codes with proper Boolean format.
+    bool ReplaceBooleanEquivalent( OUString& rString );
+
+    void SetConvertMode(LanguageType eTmpLge, LanguageType eNewLge,
+            bool bSystemToSystem, bool bConvertDateOrder)
+    {
+        bConvertMode = true;
+        eNewLnge = eNewLge;
+        eTmpLnge = eTmpLge;
+        bConvertSystemToSystem = bSystemToSystem;
+        mbConvertDateOrder = bConvertDateOrder;
+    }
+    // Only changes the bool variable, in order to temporarily pause the convert mode
+    void SetConvertMode(bool bMode) { bConvertMode = bMode; }
+    bool GetConvertMode() const     { return bConvertMode; }
+    LanguageType GetNewLnge() const { return eNewLnge; } // Read access on ConvertMode and convert country/language
+    LanguageType GetTmpLnge() const { return eTmpLnge; } // Read access on StartCountry/Language
+    void SetNewLnge( LanguageType e ) { eNewLnge = e; }  // Set new convert country/language
+
+                                                /// get Thai T speciality
+    sal_uInt8 GetNatNumModifier() const      { return nNatNumModifier; }
+                                                /// set Thai T speciality
+    void SetNatNumModifier( sal_uInt8 n )    { nNatNumModifier = n; }
+
+    SvNumberFormatter* GetNumberformatter() { return pFormatter; } // Access to formatter (for zformat.cxx)
+
+    /// Get type scanned (so far).
+    SvNumFormatType GetScannedType() const { return eScannedType; }
+
+    static constexpr OUString sErrStr = u"#FMT"_ustr; // String for error output
+
+private: // Private section
+    NfKeywordTable sKeyword;                    // Syntax keywords
+    static const NfKeywordTable sEnglishKeyword; // English Syntax keywords
+    static const ::std::vector<Color> StandardColor;  // Standard color array
+    Date maNullDate;                            // 30Dec1899
+    OUString sNameStandardFormat;               // "Standard"
+    sal_uInt16 nStandardPrec;                   // Default Precision for Standardformat
+    SvNumberFormatter* pFormatter;              // Pointer to the FormatList
+    css::uno::Reference< css::i18n::XNumberFormatCode > xNFC;
+
+    OUString sStrArray[NF_MAX_FORMAT_SYMBOLS];  // Array of symbols
+    short nTypeArray[NF_MAX_FORMAT_SYMBOLS];    // Array of infos
+                                                // External Infos:
+    sal_uInt16 nResultStringsCnt;               // Result symbol count
+    SvNumFormatType eScannedType;               // Type according to scan
+    bool bThousand;                             // With thousands marker
+    sal_uInt16 nThousand;                       // Counts ... series
+    sal_uInt16 nCntPre;                         // Counts digits of integral part
+    sal_uInt16 nCntPost;                        // Counts digits of fractional part
+    sal_uInt16 nCntExp;                         // Counts exponent digits AM/PM
+                                                // Internal info:
+    sal_uInt16 nStringsCnt;                     // Symbol count
+    sal_uInt16 nExpPos;                         // Internal position of E
+    sal_uInt16 nBlankPos;                       // Internal position of the Blank
+    short nDecPos;                              // Internal position of the ,
+    bool bExp;                                  // Set when reading E
+    bool bFrac;                                 // Set when reading /
+    bool bBlank;                                // Set when reading ' ' (Fraction)
+    bool bDecSep;                               // Set on first ,
+    mutable bool bKeywordsNeedInit;             // Locale dependent keywords need to be initialized
+    mutable bool bCompatCurNeedInit;            // Locale dependent compatibility currency need to be initialized
+    OUString sCurSymbol;                        // Currency symbol for compatibility format codes
+    OUString sCurString;                        // Currency symbol in upper case
+    OUString sCurAbbrev;                        // Currency abbreviation
+    OUString sBooleanEquivalent1;               // "TRUE";"TRUE";"FALSE"
+    OUString sBooleanEquivalent2;               // [>0]"TRUE";[<0]"TRUE";"FALSE"
+
+    bool bConvertMode;                          // Set in the convert mode
+    bool mbConvertDateOrder;                    // Set in the convert mode whether to convert date particles order
+
+    LanguageType eNewLnge;                      // Language/country which the scanned string is converted to (for Excel filter)
+    LanguageType eTmpLnge;                      // Language/country which the scanned string is converted from (for Excel filter)
+
+    bool bConvertSystemToSystem;                // Whether the conversion is from one system locale to another system locale
+                                                // (in this case the automatic currency symbol is converted too).
+
+    sal_Int32 nCurrPos;                         // Position of currency symbol
+
+    sal_uInt8 nNatNumModifier;                  // Thai T speciality
+
+    KeywordLocalization meKeywordLocalization;  ///< which keywords localization to scan
+
+    // Copy assignment is forbidden and not implemented.
+    ImpSvNumberformatScan (const ImpSvNumberformatScan &) = delete;
+    ImpSvNumberformatScan & operator= (const ImpSvNumberformatScan &) = delete;
+
+    void InitKeywords() const;
+    void InitSpecialKeyword( NfKeywordIndex eIdx ) const;
+    void InitCompatCur() const;
+
+    void SetDependentKeywords();
+                                                // Sets the language dependent keywords
+    void SkipStrings(sal_uInt16& i, sal_Int32& nPos) const;// Skips StringSymbols
+    sal_uInt16 PreviousKeyword(sal_uInt16 i) const;  // Returns index of the preceding one
+                                                // Keyword or 0
+    sal_uInt16 NextKeyword(sal_uInt16 i) const; // Returns index of the next one
+                                                // Keyword or 0
+    sal_Unicode PreviousChar(sal_uInt16 i) const; // Returns last char before index skips EMPTY, STRING, STAR, BLANK
+    sal_Unicode NextChar(sal_uInt16 i) const;   // Returns first following char
+    short PreviousType( sal_uInt16 i ) const;   // Returns type before position skips EMPTY
+    bool IsLastBlankBeforeFrac(sal_uInt16 i) const; // True <=> there won't be a ' ' until the '/'
+    void Reset();                               // Reset all variables before starting the analysis
+
+    /** Determine keyword at nPos.
+        @param  rbFoundEnglish set if English instead of locale's keyword
+                found, never cleared, thus init with false.
+        @return 0 if not found, else keyword enumeration.
+     */
+    short GetKeyWord( const OUString& sSymbol,
+                      sal_Int32 nPos,
+                      bool& rbFoundEnglish ) const;
+
+    bool IsAmbiguousE( short nKey ) const  // whether nKey is ambiguous E of NF_KEY_E/NF_KEY_EC
+        {
+            return (nKey == NF_KEY_EC || nKey == NF_KEY_E) &&
+                (GetKeywords()[NF_KEY_EC] == GetKeywords()[NF_KEY_E]);
+        }
+
+    // if 0 at strArray[i] is of S,00 or SS,00 or SS"any"00 in ScanType() or FinalScan()
+    bool Is100SecZero( sal_uInt16 i, bool bHadDecSep ) const;
+
+    short Next_Symbol(const OUString& rStr,
+                      sal_Int32& nPos,
+                      OUString& sSymbol) const; // Next Symbol
+    sal_Int32 Symbol_Division(const OUString& rString);// Initial lexical scan
+    sal_Int32 ScanType(); // Analysis of the Format type
+    sal_Int32 FinalScan( OUString& rString ); // Final analysis with supplied type
+
+    // -1:= error, return nPos in FinalScan; 0:= no calendar, 1:= calendar found
+    int FinalScanGetCalendar( sal_Int32& nPos, sal_uInt16& i, sal_uInt16& nResultStringsCnt );
+
+    /** Insert symbol into nTypeArray and sStrArray, e.g. grouping separator.
+        If at nPos-1 a symbol type NF_SYMBOLTYPE_EMPTY is present, that is
+        reused instead of shifting all one up and nPos is decremented! */
+    bool InsertSymbol( sal_uInt16 & nPos, svt::NfSymbolType eType, const OUString& rStr );
+
+    /** Whether two key symbols are adjacent separated by date separator.
+        This can only be used at the end of FinalScan() after
+        NF_SYMBOLTYPE_DATESEP has already been set.
+     */
+    bool IsDateFragment( size_t nPos1, size_t nPos2 ) const;
+
+    /** Swap nTypeArray and sStrArray elements at positions. */
+    void SwapArrayElements( size_t nPos1, size_t nPos2 );
+
+    static bool StringEqualsChar( std::u16string_view rStr, sal_Unicode ch )
+        { return rStr.size() == 1 && rStr[0] == ch; }
+
+    // remove "..." and \... quotes from rStr, return how many chars removed
+    static sal_Int32 RemoveQuotes( OUString& rStr );
+};
+
+#endif // INCLUDED_SVL_SOURCE_NUMBERS_ZFORSCAN_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/passwordcontainer/passwordcontainer.component b/svl/source/passwordcontainer/passwordcontainer.component
new file mode 100644
index 0000000000..109f45c502
--- /dev/null
+++ b/svl/source/passwordcontainer/passwordcontainer.component
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ -->
+
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+    xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="stardiv.svl.PasswordContainer"
+    single-instance="true"
+    constructor="svl_PasswordContainer_get_implementation">
+    <service name="com.sun.star.task.PasswordContainer"/>
+  </implementation>
+</component>
diff --git a/svl/source/passwordcontainer/passwordcontainer.cxx b/svl/source/passwordcontainer/passwordcontainer.cxx
new file mode 100644
index 0000000000..333e2921b4
--- /dev/null
+++ b/svl/source/passwordcontainer/passwordcontainer.cxx
@@ -0,0 +1,1442 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <string_view>
+
+#include "passwordcontainer.hxx"
+
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/sequence.hxx>
+#include <o3tl/string_view.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/task/InteractionHandler.hpp>
+#include <com/sun/star/task/MasterPasswordRequest.hpp>
+#include <com/sun/star/task/NoMasterException.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+
+#include <osl/diagnose.h>
+#include <rtl/character.hxx>
+#include <rtl/cipher.h>
+#include <rtl/digest.h>
+#include <rtl/byteseq.hxx>
+#include <rtl/ustrbuf.hxx>
+
+using namespace osl;
+using namespace utl;
+using namespace com::sun::star;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::registry;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::task;
+using namespace com::sun::star::ucb;
+
+static OUString createIndex(const std::vector< OUString >& lines)
+{
+    OUStringBuffer aResult;
+
+    for( size_t i = 0; i < lines.size(); i++ )
+    {
+        if( i )
+            aResult.append("__");
+        OString line = OUStringToOString( lines[i], RTL_TEXTENCODING_UTF8 );
+        const char* pLine = line.getStr();
+
+        while( *pLine )
+        {
+            if (rtl::isAsciiAlphanumeric(static_cast<unsigned char>(*pLine)))
+            {
+                aResult.append(*pLine);
+            }
+            else
+            {
+                aResult.append("_" + OUString::number(*pLine, 16) );
+            }
+
+            pLine++;
+        }
+    }
+
+    return aResult.makeStringAndClear();
+}
+
+
+static std::vector< OUString > getInfoFromInd( std::u16string_view aInd )
+{
+    std::vector< OUString > aResult;
+    bool aStart = true;
+
+    OString line = OUStringToOString( aInd, RTL_TEXTENCODING_ASCII_US );
+    const char* pLine = line.getStr();
+    do
+    {
+        OUStringBuffer newItem;
+        if( !aStart )
+            pLine += 2;
+        else
+            aStart = false;
+
+        while( *pLine && ( pLine[0] != '_' || pLine[1] != '_' ))
+            if( *pLine != '_' )
+            {
+                newItem.append( *pLine );
+                pLine++;
+            }
+            else
+            {
+                OUString aNum;
+                for( int i = 1; i < 3; i++ )
+                {
+                    if( !pLine[i]
+                      ||  ( ( pLine[i] < '0' || pLine[i] > '9' )
+                         && ( pLine[i] < 'a' || pLine[i] > 'f' )
+                         && ( pLine[i] < 'A' || pLine[i] > 'F' ) ) )
+                    {
+                        OSL_FAIL( "Wrong index syntax!" );
+                        return aResult;
+                    }
+
+                    aNum += OUStringChar( pLine[i] );
+                }
+
+                newItem.append( sal_Unicode( aNum.toUInt32( 16 ) ) );
+                pLine += 3;
+            }
+
+        aResult.push_back( newItem.makeStringAndClear() );
+    } while( pLine[0] == '_' && pLine[1] == '_' );
+
+    if( *pLine )
+        OSL_FAIL( "Wrong index syntax!" );
+
+    return aResult;
+}
+
+
+static bool shorterUrl( OUString& aURL )
+{
+    sal_Int32 aInd = aURL.lastIndexOf( '/' );
+    if( aInd > 0 && aURL.indexOf( "://" ) != aInd-2 )
+    {
+        aURL = aURL.copy( 0, aInd );
+        return true;
+    }
+
+    return false;
+}
+
+
+static OUString getAsciiLine( const ::rtl::ByteSequence& buf )
+{
+    OUString aResult;
+
+    ::rtl::ByteSequence outbuf( buf.getLength()*2+1 );
+
+    for( int ind = 0; ind < buf.getLength(); ind++ )
+    {
+        outbuf[ind*2]   = ( static_cast<sal_uInt8>(buf[ind]) >> 4 ) + 'a';
+        outbuf[ind*2+1] = ( static_cast<sal_uInt8>(buf[ind]) & 0x0f ) + 'a';
+    }
+    outbuf[buf.getLength()*2] = '\0';
+
+    aResult = OUString::createFromAscii( reinterpret_cast<char*>(outbuf.getArray()) );
+
+    return aResult;
+}
+
+
+static ::rtl::ByteSequence getBufFromAsciiLine( std::u16string_view line )
+{
+    OSL_ENSURE( line.size() % 2 == 0, "Wrong syntax!" );
+    OString tmpLine = OUStringToOString( line, RTL_TEXTENCODING_ASCII_US );
+    ::rtl::ByteSequence aResult(line.size()/2);
+
+    for( int ind = 0; ind < tmpLine.getLength()/2; ind++ )
+    {
+        aResult[ind] = ( static_cast<sal_uInt8>( tmpLine[ind*2] - 'a' ) << 4 ) | static_cast<sal_uInt8>( tmpLine[ind*2+1] - 'a' );
+    }
+
+    return aResult;
+}
+
+
+PasswordMap StorageItem::getInfo()
+{
+    PasswordMap aResult;
+
+    const Sequence< OUString > aNodeNames     = ConfigItem::GetNodeNames( "Store" );
+    sal_Int32 aNodeCount = aNodeNames.getLength();
+    Sequence< OUString > aPropNames( aNodeCount * 2);
+
+    std::transform(aNodeNames.begin(), aNodeNames.end(), aPropNames.getArray(),
+        [](const OUString& rName) -> OUString {
+            return "Store/Passwordstorage['" + rName + "']/Password"; });
+    std::transform(aNodeNames.begin(), aNodeNames.end(), aPropNames.getArray() + aNodeCount,
+        [](const OUString& rName) -> OUString {
+            return "Store/Passwordstorage['" + rName + "']/InitializationVector"; });
+
+    Sequence< Any > aPropertyValues = ConfigItem::GetProperties( aPropNames );
+
+    if( aPropertyValues.getLength() != aNodeCount * 2)
+    {
+        OSL_FAIL( "Problems during reading" );
+        return aResult;
+    }
+
+    for( sal_Int32 aNodeInd = 0; aNodeInd < aNodeCount; ++aNodeInd )
+    {
+        std::vector< OUString > aUrlUsr = getInfoFromInd( aNodeNames[aNodeInd] );
+
+        if( aUrlUsr.size() == 2 )
+        {
+            OUString aUrl  = aUrlUsr[0];
+            OUString aName = aUrlUsr[1];
+
+            OUString aEPasswd;
+            OUString aIV;
+            aPropertyValues[aNodeInd] >>= aEPasswd;
+            aPropertyValues[aNodeInd + aNodeCount] >>= aIV;
+
+            PasswordMap::iterator aIter = aResult.find( aUrl );
+            if( aIter != aResult.end() )
+                aIter->second.emplace_back( aName, aEPasswd, aIV );
+            else
+            {
+                NamePasswordRecord aNewRecord( aName, aEPasswd, aIV );
+                std::vector< NamePasswordRecord > listToAdd( 1, aNewRecord );
+
+                aResult.insert( PairUrlRecord( aUrl, listToAdd ) );
+            }
+        }
+        else
+            OSL_FAIL( "Wrong index syntax!" );
+    }
+
+    return aResult;
+}
+
+
+void StorageItem::setUseStorage( bool bUse )
+{
+    ConfigItem::SetModified();
+    ConfigItem::PutProperties( { "UseStorage" }, { uno::Any(bUse) } );
+}
+
+
+bool StorageItem::useStorage()
+{
+    Sequence<OUString> aNodeNames { "UseStorage" };
+
+    Sequence< Any > aPropertyValues = ConfigItem::GetProperties( aNodeNames );
+
+    if( aPropertyValues.getLength() != aNodeNames.getLength() )
+    {
+        OSL_FAIL( "Problems during reading" );
+        return false;
+    }
+
+    bool aResult = false;
+    aPropertyValues[0] >>= aResult;
+
+    return aResult;
+}
+
+
+sal_Int32 StorageItem::getStorageVersion()
+{
+    Sequence<OUString> aNodeNames { "StorageVersion" };
+
+    Sequence< Any > aPropertyValues = ConfigItem::GetProperties( aNodeNames );
+
+    if( aPropertyValues.getLength() != aNodeNames.getLength() )
+    {
+        OSL_FAIL( "Problems during reading" );
+        return 0;
+    }
+
+    sal_Int32 nResult = 0;
+    aPropertyValues[0] >>= nResult;
+
+    return nResult;
+}
+
+bool StorageItem::getEncodedMasterPassword( OUString& aResult, OUString& aResultIV )
+{
+    if( hasEncoded )
+    {
+        aResult = mEncoded;
+        aResultIV = mEncodedIV;
+        return true;
+    }
+
+    Sequence< OUString > aNodeNames{ "HasMaster", "Master", "MasterInitializationVector" };
+
+    Sequence< Any > aPropertyValues = ConfigItem::GetProperties( aNodeNames );
+
+    if( aPropertyValues.getLength() != aNodeNames.getLength() )
+    {
+        OSL_FAIL( "Problems during reading" );
+        return false;
+    }
+
+    aPropertyValues[0] >>= hasEncoded;
+    aPropertyValues[1] >>= mEncoded;
+    aPropertyValues[2] >>= mEncodedIV;
+
+    aResult = mEncoded;
+    aResultIV = mEncodedIV;
+
+    return hasEncoded;
+}
+
+
+void StorageItem::setEncodedMasterPassword( const OUString& aEncoded, const OUString& aEncodedIV, bool bAcceptEmpty )
+{
+    bool bHasMaster = ( !aEncoded.isEmpty() || bAcceptEmpty );
+
+    ConfigItem::SetModified();
+    ConfigItem::PutProperties( { "HasMaster", "Master", "MasterInitializationVector", "StorageVersion" },
+                               { uno::Any(bHasMaster), uno::Any(aEncoded),
+                                 uno::Any(aEncodedIV), uno::Any(nCurrentStorageVersion) } );
+
+    hasEncoded = bHasMaster;
+    mEncoded = aEncoded;
+    mEncodedIV = aEncodedIV;
+}
+
+
+void StorageItem::remove( const OUString& aURL, const OUString& aName )
+{
+    Sequence< OUString > sendSeq { createIndex( { aURL, aName } ) };
+
+    ConfigItem::ClearNodeElements( "Store", sendSeq );
+}
+
+
+void StorageItem::clear()
+{
+    ConfigItem::ClearNodeSet( "Store" );
+}
+
+
+void StorageItem::update( const OUString& aURL, const NamePasswordRecord& aRecord )
+{
+    if ( !aRecord.HasPasswords( PERSISTENT_RECORD ) )
+    {
+        OSL_FAIL( "Unexpected storing of a record!" );
+        return;
+    }
+
+    Sequence< beans::PropertyValue > sendSeq{ comphelper::makePropertyValue(
+        "Store/Passwordstorage['" + createIndex( { aURL, aRecord.GetUserName() } ) + "']/InitializationVector",
+        aRecord.GetPersistentIV()), comphelper::makePropertyValue(
+        "Store/Passwordstorage['" + createIndex( { aURL, aRecord.GetUserName() } ) + "']/Password",
+        aRecord.GetPersistentPasswords()) };
+
+    ConfigItem::SetModified();
+    ConfigItem::SetSetProperties( "Store", sendSeq );
+}
+
+
+void StorageItem::Notify( const Sequence< OUString >& )
+{
+    // this feature still should not be used
+    if( mainCont )
+        mainCont->Notify();
+}
+
+
+void StorageItem::ImplCommit()
+{
+    // Do nothing, we stored everything we want already
+}
+
+
+PasswordContainer::PasswordContainer( const Reference<XComponentContext>& rxContext )
+{
+    // m_pStorageFile->Notify() can be called
+    std::unique_lock aGuard( mMutex );
+
+    mComponent.set( rxContext->getServiceManager(), UNO_QUERY );
+    mComponent->addEventListener( this );
+
+    m_xStorageFile.emplace( this, "Office.Common/Passwords" );
+    if( m_xStorageFile->useStorage() )
+        m_aContainer = m_xStorageFile->getInfo();
+}
+
+
+PasswordContainer::~PasswordContainer()
+{
+    std::unique_lock aGuard( mMutex );
+
+    m_xStorageFile.reset();
+
+    if( mComponent.is() )
+    {
+        mComponent->removeEventListener(this);
+        mComponent.clear();
+    }
+}
+
+void SAL_CALL PasswordContainer::disposing( const EventObject& )
+{
+    std::unique_lock aGuard( mMutex );
+
+    m_xStorageFile.reset();
+
+    if( mComponent.is() )
+    {
+        //mComponent->removeEventListener(this);
+        mComponent.clear();
+    }
+}
+
+std::vector< OUString > PasswordContainer::DecodePasswords( std::u16string_view aLine, std::u16string_view aIV, std::u16string_view aMasterPasswd, css::task::PasswordRequestMode mode )
+{
+    if( !aMasterPasswd.empty() )
+    {
+        rtlCipher aDecoder = rtl_cipher_create (rtl_Cipher_AlgorithmBF, rtl_Cipher_ModeStream );
+        OSL_ENSURE( aDecoder, "Can't create decoder" );
+
+        if( aDecoder )
+        {
+            OSL_ENSURE( aMasterPasswd.size() == RTL_DIGEST_LENGTH_MD5 * 2, "Wrong master password format!" );
+
+            unsigned char code[RTL_DIGEST_LENGTH_MD5];
+            for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
+                code[ ind ] = static_cast<char>(o3tl::toUInt32(aMasterPasswd.substr( ind*2, 2 ), 16));
+
+            unsigned char iv[RTL_DIGEST_LENGTH_MD5] = {0};
+            if (!aIV.empty())
+            {
+                for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
+                {
+                    auto tmp = aIV.substr( ind*2, 2 );
+                    iv[ ind ] = static_cast<char>(rtl_ustr_toInt64_WithLength(tmp.data(), 16, tmp.size()));
+                }
+            }
+
+            rtlCipherError result = rtl_cipher_init (
+                    aDecoder, rtl_Cipher_DirectionDecode,
+                    code, RTL_DIGEST_LENGTH_MD5, iv, RTL_DIGEST_LENGTH_MD5 );
+
+            if( result == rtl_Cipher_E_None )
+            {
+                ::rtl::ByteSequence aSeq = getBufFromAsciiLine( aLine );
+
+                ::rtl::ByteSequence resSeq( aSeq.getLength() );
+
+                rtl_cipher_decode ( aDecoder, aSeq.getArray(), aSeq.getLength(),
+                                                        reinterpret_cast<sal_uInt8*>(resSeq.getArray()), resSeq.getLength() );
+
+                OUString aPasswd( reinterpret_cast<char*>(resSeq.getArray()), resSeq.getLength(), RTL_TEXTENCODING_UTF8 );
+
+                rtl_cipher_destroy (aDecoder);
+
+                return getInfoFromInd( aPasswd );
+            }
+
+            rtl_cipher_destroy (aDecoder);
+        }
+    }
+    else
+    {
+        OSL_FAIL( "No master password provided!" );
+        // throw special exception
+    }
+
+    // problems with decoding
+    OSL_FAIL( "Problem with decoding" );
+    throw css::task::NoMasterException(
+        "Can't decode!", css::uno::Reference<css::uno::XInterface>(), mode);
+}
+
+OUString PasswordContainer::EncodePasswords(const std::vector< OUString >& lines, std::u16string_view aIV, std::u16string_view aMasterPasswd)
+{
+    if( !aMasterPasswd.empty() )
+    {
+        OString aSeq = OUStringToOString( createIndex( lines ), RTL_TEXTENCODING_UTF8 );
+
+        rtlCipher aEncoder = rtl_cipher_create (rtl_Cipher_AlgorithmBF, rtl_Cipher_ModeStream );
+        OSL_ENSURE( aEncoder, "Can't create encoder" );
+
+        if( aEncoder )
+        {
+            OSL_ENSURE( aMasterPasswd.size() == RTL_DIGEST_LENGTH_MD5 * 2, "Wrong master password format!" );
+
+            unsigned char code[RTL_DIGEST_LENGTH_MD5];
+            for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
+                code[ ind ] = static_cast<char>(o3tl::toUInt32(aMasterPasswd.substr( ind*2, 2 ), 16));
+
+            unsigned char iv[RTL_DIGEST_LENGTH_MD5] = {0};
+            if (!aIV.empty())
+            {
+                for( int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ind++ )
+                {
+                    auto tmp = aIV.substr( ind*2, 2 );
+                    iv[ ind ] = static_cast<char>(rtl_ustr_toInt64_WithLength(tmp.data(), 16, tmp.size()));
+                }
+            }
+
+            rtlCipherError result = rtl_cipher_init (
+                    aEncoder, rtl_Cipher_DirectionEncode,
+                    code, RTL_DIGEST_LENGTH_MD5, iv, RTL_DIGEST_LENGTH_MD5 );
+
+            if( result == rtl_Cipher_E_None )
+            {
+                ::rtl::ByteSequence resSeq(aSeq.getLength()+1);
+
+                result = rtl_cipher_encode ( aEncoder, aSeq.getStr(), aSeq.getLength()+1,
+                                                        reinterpret_cast<sal_uInt8*>(resSeq.getArray()), resSeq.getLength() );
+
+/*
+                //test
+                rtlCipherError result = rtl_cipher_init (
+                    aEncoder, rtl_Cipher_DirectionDecode,
+                    code, RTL_DIGEST_LENGTH_MD5, NULL, 0 );
+
+
+                if( result == rtl_Cipher_E_None )
+                {
+                    OUString testOU = getAsciiLine( resSeq );
+                    ::rtl::ByteSequence aSeq1 = getBufFromAsciiLine( testOU );
+
+                    ::rtl::ByteSequence resSeq1( aSeq1.getLength() );
+
+                    if( resSeq.getLength() == aSeq1.getLength() )
+                    {
+                        for( int ind = 0; ind < aSeq1.getLength(); ind++ )
+                            if( resSeq[ind] != aSeq1[ind] )
+                                testOU = "";
+                    }
+
+                    result = rtl_cipher_decode ( aEncoder, (sal_uInt8*)aSeq1.getArray(), aSeq1.getLength(),
+                                                        (sal_uInt8*)resSeq1.getArray(), resSeq1.getLength() );
+
+                    OUString aPasswd( ( char* )resSeq1.getArray(), resSeq1.getLength(), RTL_TEXTENCODING_UTF8 );
+                }
+*/
+
+                rtl_cipher_destroy (aEncoder);
+
+                if( result == rtl_Cipher_E_None )
+                    return getAsciiLine( resSeq );
+
+            }
+
+            rtl_cipher_destroy (aEncoder);
+        }
+    }
+    else
+    {
+        OSL_FAIL( "No master password provided!" );
+        // throw special exception
+    }
+
+    // problems with encoding
+    OSL_FAIL( "Problem with encoding" );
+    throw RuntimeException("Can't encode!" );
+}
+
+void PasswordContainer::UpdateVector( const OUString& aURL, std::vector< NamePasswordRecord >& toUpdate, NamePasswordRecord const & aRecord, bool writeFile )
+{
+    for (auto & aNPIter : toUpdate)
+        if( aNPIter.GetUserName() == aRecord.GetUserName() )
+        {
+            if( aRecord.HasPasswords( MEMORY_RECORD ) )
+                aNPIter.SetMemoryPasswords( aRecord.GetMemoryPasswords() );
+
+            if( aRecord.HasPasswords( PERSISTENT_RECORD ) )
+            {
+                aNPIter.SetPersistentPasswords( aRecord.GetPersistentPasswords(), aRecord.GetPersistentIV() );
+
+                if( writeFile )
+                {
+                    // the password must be already encoded
+                    m_xStorageFile->update( aURL, aRecord ); // change existing ( aURL, aName ) record in the configfile
+                }
+            }
+
+            return;
+        }
+
+
+    if( aRecord.HasPasswords( PERSISTENT_RECORD ) && writeFile )
+    {
+        // the password must be already encoded
+        m_xStorageFile->update( aURL, aRecord ); // add new aName to the existing url
+    }
+
+    toUpdate.insert( toUpdate.begin(), aRecord );
+}
+
+
+UserRecord PasswordContainer::CopyToUserRecord( const NamePasswordRecord& aRecord, bool& io_bTryToDecode, const Reference< XInteractionHandler >& aHandler )
+{
+    ::std::vector< OUString > aPasswords;
+    if( aRecord.HasPasswords( MEMORY_RECORD ) )
+        aPasswords = aRecord.GetMemoryPasswords();
+
+    if( io_bTryToDecode && aRecord.HasPasswords( PERSISTENT_RECORD ) )
+    {
+        try
+        {
+            ::std::vector< OUString > aDecodedPasswords = DecodePasswords( aRecord.GetPersistentPasswords(), aRecord.GetPersistentIV(),
+                                                                           GetMasterPassword( aHandler ), css::task::PasswordRequestMode_PASSWORD_ENTER );
+            aPasswords.insert( aPasswords.end(), aDecodedPasswords.begin(), aDecodedPasswords.end() );
+        }
+        catch( NoMasterException& )
+        {
+            // if master password could not be detected the entry will be just ignored
+            io_bTryToDecode = false;
+        }
+    }
+
+    return UserRecord( aRecord.GetUserName(), comphelper::containerToSequence( aPasswords ) );
+}
+
+
+Sequence< UserRecord > PasswordContainer::CopyToUserRecordSequence( const std::vector< NamePasswordRecord >& original, const Reference< XInteractionHandler >& aHandler )
+{
+    Sequence< UserRecord >     aResult( original.size() );
+    auto aResultRange = asNonConstRange(aResult);
+    sal_uInt32 nInd = 0;
+    bool bTryToDecode = true;
+
+    for (auto const& aNPIter : original)
+    {
+        aResultRange[nInd] = CopyToUserRecord( aNPIter, bTryToDecode, aHandler );
+        ++nInd;
+    }
+
+    return aResult;
+}
+
+
+void SAL_CALL PasswordContainer::add( const OUString& Url, const OUString& UserName, const Sequence< OUString >& Passwords, const Reference< XInteractionHandler >& aHandler )
+{
+    std::unique_lock aGuard( mMutex );
+
+    PrivateAdd( Url, UserName, Passwords, MEMORY_RECORD, aHandler );
+}
+
+
+void SAL_CALL PasswordContainer::addPersistent( const OUString& Url, const OUString& UserName, const Sequence< OUString >& Passwords, const Reference< XInteractionHandler >& aHandler  )
+{
+    std::unique_lock aGuard( mMutex );
+
+    PrivateAdd( Url, UserName, Passwords, PERSISTENT_RECORD, aHandler );
+}
+
+OUString PasswordContainer::createIV()
+{
+    rtlRandomPool randomPool = mRandomPool.get();
+    unsigned char iv[RTL_DIGEST_LENGTH_MD5];
+    rtl_random_getBytes(randomPool, iv, RTL_DIGEST_LENGTH_MD5);
+    OUStringBuffer aBuffer;
+    for (sal_uInt8 i : iv)
+    {
+        aBuffer.append(OUString::number(i >> 4, 16) + OUString::number(i & 15, 16));
+    }
+    return aBuffer.makeStringAndClear();
+}
+
+void PasswordContainer::PrivateAdd( const OUString& Url, const OUString& UserName, const Sequence< OUString >& Passwords, char Mode, const Reference< XInteractionHandler >& aHandler )
+{
+    NamePasswordRecord aRecord( UserName );
+    ::std::vector< OUString > aStorePass = comphelper::sequenceToContainer< std::vector<OUString> >( Passwords );
+
+    if( Mode == PERSISTENT_RECORD )
+    {
+        OUString sIV = createIV();
+        OUString sEncodedPasswords = EncodePasswords(aStorePass, sIV, GetMasterPassword(aHandler));
+        aRecord.SetPersistentPasswords(sEncodedPasswords, sIV);
+    }
+    else if( Mode == MEMORY_RECORD )
+        aRecord.SetMemoryPasswords( std::move(aStorePass) );
+    else
+    {
+        OSL_FAIL( "Unexpected persistence status!" );
+        return;
+    }
+
+    if( !m_aContainer.empty() )
+    {
+        PasswordMap::iterator aIter = m_aContainer.find( Url );
+
+        if( aIter != m_aContainer.end() )
+        {
+            UpdateVector( aIter->first, aIter->second, aRecord, true );
+            return;
+        }
+    }
+
+    std::vector< NamePasswordRecord > listToAdd( 1, aRecord );
+    m_aContainer.insert( PairUrlRecord( Url, listToAdd ) );
+
+    if( Mode == PERSISTENT_RECORD && m_xStorageFile && m_xStorageFile->useStorage() )
+        m_xStorageFile->update( Url, aRecord );
+
+}
+
+
+UrlRecord SAL_CALL PasswordContainer::find( const OUString& aURL, const Reference< XInteractionHandler >& aHandler  )
+{
+    return find( aURL, u"", false, aHandler );
+}
+
+
+UrlRecord SAL_CALL PasswordContainer::findForName( const OUString& aURL, const OUString& aName, const Reference< XInteractionHandler >& aHandler  )
+{
+    return find( aURL, aName, true, aHandler );
+}
+
+
+Sequence< UserRecord > PasswordContainer::FindUsr( const std::vector< NamePasswordRecord >& userlist, std::u16string_view aName, const Reference< XInteractionHandler >& aHandler )
+{
+    for (auto const& aNPIter : userlist)
+    {
+        if( aNPIter.GetUserName() == aName )
+        {
+            bool bTryToDecode = true;
+            Sequence< UserRecord > aResult { CopyToUserRecord( aNPIter, bTryToDecode, aHandler ) };
+
+            return aResult;
+        }
+    }
+
+    return Sequence< UserRecord >();
+}
+
+
+bool PasswordContainer::createUrlRecord(
+    const PasswordMap::iterator & rIter,
+    bool bName,
+    std::u16string_view aName,
+    const Reference< XInteractionHandler >& aHandler,
+    UrlRecord & rRec )
+{
+    if ( bName )
+    {
+        Sequence< UserRecord > aUsrRec
+            = FindUsr( rIter->second, aName, aHandler );
+        if( aUsrRec.hasElements() )
+        {
+            rRec = UrlRecord( rIter->first, aUsrRec );
+            return true;
+        }
+    }
+    else
+    {
+        rRec = UrlRecord(
+            rIter->first,
+            CopyToUserRecordSequence( rIter->second, aHandler ) );
+        return true;
+    }
+    return false;
+}
+
+
+UrlRecord PasswordContainer::find(
+    const OUString& aURL,
+    std::u16string_view aName,
+    bool bName, // only needed to support empty user names
+    const Reference< XInteractionHandler >& aHandler  )
+{
+    std::unique_lock aGuard( mMutex );
+
+    if( !m_aContainer.empty() && !aURL.isEmpty() )
+    {
+        OUString aUrl( aURL );
+
+        // each iteration remove last '/...' section from the aUrl
+        // while it's possible, up to the most left '://'
+        do
+        {
+            // first look for <url>/somename and then look for <url>/somename/...
+            PasswordMap::iterator aIter = m_aContainer.find( aUrl );
+            if( aIter != m_aContainer.end() )
+            {
+                UrlRecord aRec;
+                if ( createUrlRecord( aIter, bName, aName, aHandler, aRec ) )
+                  return aRec;
+            }
+            else
+            {
+                OUString tmpUrl( aUrl );
+                if ( !tmpUrl.endsWith("/") )
+                    tmpUrl += "/";
+
+                aIter = m_aContainer.lower_bound( tmpUrl );
+                if( aIter != m_aContainer.end() && aIter->first.match( tmpUrl ) )
+                {
+                    UrlRecord aRec;
+                    if ( createUrlRecord( aIter, bName, aName, aHandler, aRec ) )
+                      return aRec;
+                }
+            }
+        }
+        while( shorterUrl( aUrl ) && !aUrl.isEmpty() );
+    }
+
+    return UrlRecord();
+}
+
+OUString PasswordContainer::GetDefaultMasterPassword()
+{
+    OUStringBuffer aResult;
+    for ( sal_Int32 nInd = 0; nInd < RTL_DIGEST_LENGTH_MD5; nInd++ )
+        aResult.append("aa");
+
+    return aResult.makeStringAndClear();
+}
+
+OUString PasswordContainer::RequestPasswordFromUser( PasswordRequestMode aRMode, const uno::Reference< task::XInteractionHandler >& xHandler )
+{
+    // empty string means that the call was cancelled or just failed
+    OUString aResult;
+
+    if ( xHandler.is() )
+    {
+        ::rtl::Reference< MasterPasswordRequest_Impl > xRequest = new MasterPasswordRequest_Impl( aRMode );
+
+        xHandler->handle( xRequest );
+
+        ::rtl::Reference< ucbhelper::InteractionContinuation > xSelection = xRequest->getSelection();
+
+        if ( xSelection.is() )
+        {
+            Reference< XInteractionAbort > xAbort( xSelection.get(), UNO_QUERY );
+            if ( !xAbort.is() )
+            {
+                const ::rtl::Reference< ucbhelper::InteractionSupplyAuthentication > & xSupp
+                            = xRequest->getAuthenticationSupplier();
+
+                aResult = xSupp->getPassword();
+            }
+        }
+    }
+
+    return aResult;
+}
+
+// Mangle the key to match an old bug
+static OUString ReencodeAsOldHash(std::u16string_view rPass)
+{
+    OUStringBuffer aBuffer;
+    for (int ind = 0; ind < RTL_DIGEST_LENGTH_MD5; ++ind)
+    {
+        auto tmp = rPass.substr(ind * 2, 2);
+        unsigned char i = static_cast<char>(rtl_ustr_toInt64_WithLength(tmp.data(), 16, tmp.size()));
+        aBuffer.append(OUStringChar(static_cast< sal_Unicode >('a' + (i >> 4)))
+                + OUStringChar(static_cast< sal_Unicode >('a' + (i & 15))));
+    }
+    return aBuffer.makeStringAndClear();
+}
+
+OUString const & PasswordContainer::GetMasterPassword( const Reference< XInteractionHandler >& aHandler )
+{
+    PasswordRequestMode aRMode = PasswordRequestMode_PASSWORD_ENTER;
+    if( !m_xStorageFile || !m_xStorageFile->useStorage() )
+        throw NoMasterException("Password storing is not active!", Reference< XInterface >(), aRMode );
+
+    if( m_aMasterPassword.isEmpty() && aHandler.is() )
+    {
+        OUString aEncodedMP, aEncodedMPIV;
+        bool bDefaultPassword = false;
+
+        if( !m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) )
+            aRMode = PasswordRequestMode_PASSWORD_CREATE;
+        else if ( aEncodedMP.isEmpty() )
+        {
+            m_aMasterPassword = GetDefaultMasterPassword();
+            bDefaultPassword = true;
+        }
+
+        if ( !bDefaultPassword )
+        {
+            bool bAskAgain = false;
+            do {
+                bAskAgain = false;
+
+                OUString aPass = RequestPasswordFromUser( aRMode, aHandler );
+                if ( !aPass.isEmpty() )
+                {
+                    if( aRMode == PasswordRequestMode_PASSWORD_CREATE )
+                    {
+                        m_aMasterPassword = aPass;
+                        std::vector< OUString > aMaster( 1, m_aMasterPassword );
+
+                        OUString sIV = createIV();
+                        m_xStorageFile->setEncodedMasterPassword(EncodePasswords(aMaster, sIV, m_aMasterPassword), sIV);
+                    }
+                    else
+                    {
+                        if (m_xStorageFile->getStorageVersion() == 0)
+                            aPass = ReencodeAsOldHash(aPass);
+
+                        std::vector< OUString > aRM( DecodePasswords( aEncodedMP, aEncodedMPIV, aPass, aRMode ) );
+                        if( aRM.empty() || aPass != aRM[0] )
+                        {
+                            bAskAgain = true;
+                            aRMode = PasswordRequestMode_PASSWORD_REENTER;
+                        }
+                        else
+                            m_aMasterPassword = aPass;
+                    }
+                }
+
+            } while( bAskAgain );
+        }
+    }
+
+    if ( m_aMasterPassword.isEmpty() )
+        throw NoMasterException("No master password!", Reference< XInterface >(), aRMode );
+
+    return m_aMasterPassword;
+}
+
+
+void SAL_CALL PasswordContainer::remove( const OUString& aURL, const OUString& aName )
+{
+    std::unique_lock aGuard( mMutex );
+
+    OUString aUrl( aURL );
+    if( m_aContainer.empty() )
+        return;
+
+    PasswordMap::iterator aIter = m_aContainer.find( aUrl );
+
+    if( aIter == m_aContainer.end() )
+    {
+        if( aUrl.endsWith("/") )
+            aUrl = aUrl.copy( 0, aUrl.getLength() - 1 );
+        else
+            aUrl += "/";
+
+        aIter = m_aContainer.find( aUrl );
+    }
+
+    if( aIter == m_aContainer.end() )
+        return;
+
+    auto aNPIter = std::find_if(aIter->second.begin(), aIter->second.end(),
+        [&aName](const NamePasswordRecord& rNPRecord) { return rNPRecord.GetUserName() == aName; });
+
+    if (aNPIter != aIter->second.end())
+    {
+        if( aNPIter->HasPasswords( PERSISTENT_RECORD ) && m_xStorageFile )
+            m_xStorageFile->remove( aURL, aName ); // remove record ( aURL, aName )
+
+        // the iterator will not be used any more so it can be removed directly
+        aIter->second.erase( aNPIter );
+
+        if( aIter->second.empty() )
+            m_aContainer.erase( aIter );
+    }
+}
+
+
+void SAL_CALL PasswordContainer::removePersistent( const OUString& aURL, const OUString& aName )
+{
+    std::unique_lock aGuard( mMutex );
+
+    OUString aUrl( aURL );
+    if( m_aContainer.empty() )
+        return;
+
+    PasswordMap::iterator aIter = m_aContainer.find( aUrl );
+
+    if( aIter == m_aContainer.end() )
+    {
+        if( aUrl.endsWith("/") )
+            aUrl = aUrl.copy( 0, aUrl.getLength() - 1 );
+        else
+            aUrl += "/";
+
+        aIter = m_aContainer.find( aUrl );
+    }
+
+    if( aIter == m_aContainer.end() )
+        return;
+
+    auto aNPIter = std::find_if(aIter->second.begin(), aIter->second.end(),
+        [&aName](const NamePasswordRecord& rNPRecord) { return rNPRecord.GetUserName() == aName; });
+
+    if (aNPIter == aIter->second.end())
+        return;
+
+    if( aNPIter->HasPasswords( PERSISTENT_RECORD ) )
+    {
+        // TODO/LATER: should the password be converted to MemoryPassword?
+        aNPIter->RemovePasswords( PERSISTENT_RECORD );
+
+        if ( m_xStorageFile )
+            m_xStorageFile->remove( aURL, aName ); // remove record ( aURL, aName )
+    }
+
+    if( !aNPIter->HasPasswords( MEMORY_RECORD ) )
+        aIter->second.erase( aNPIter );
+
+    if( aIter->second.empty() )
+        m_aContainer.erase( aIter );
+}
+
+void SAL_CALL PasswordContainer::removeAllPersistent()
+{
+    std::unique_lock aGuard(mMutex);
+    removeAllPersistent(aGuard);
+}
+
+void PasswordContainer::removeAllPersistent(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    if( m_xStorageFile )
+        m_xStorageFile->clear();
+
+    for( PasswordMap::iterator aIter = m_aContainer.begin(); aIter != m_aContainer.end(); )
+    {
+        for( std::vector< NamePasswordRecord >::iterator aNPIter = aIter->second.begin(); aNPIter != aIter->second.end(); )
+        {
+            if( aNPIter->HasPasswords( PERSISTENT_RECORD ) )
+            {
+                // TODO/LATER: should the password be converted to MemoryPassword?
+                aNPIter->RemovePasswords( PERSISTENT_RECORD );
+
+                if ( m_xStorageFile )
+                    m_xStorageFile->remove( aIter->first, aNPIter->GetUserName() ); // remove record ( aURL, aName )
+            }
+
+            if( !aNPIter->HasPasswords( MEMORY_RECORD ) )
+            {
+                aNPIter = aIter->second.erase(aNPIter);
+            }
+            else
+                ++aNPIter;
+        }
+
+        if( aIter->second.empty() )
+        {
+            aIter = m_aContainer.erase(aIter);
+        }
+        else
+            ++aIter;
+    }
+}
+
+Sequence< UrlRecord > SAL_CALL PasswordContainer::getAllPersistent( const Reference< XInteractionHandler >& xHandler )
+{
+    std::unique_lock aGuard( mMutex );
+    return getAllPersistent(aGuard, xHandler);
+}
+
+Sequence< UrlRecord > PasswordContainer::getAllPersistent( std::unique_lock<std::mutex>& /*rGuard*/, const Reference< XInteractionHandler >& xHandler )
+{
+    Sequence< UrlRecord > aResult;
+
+    for( const auto& rEntry : m_aContainer )
+    {
+        Sequence< UserRecord > aUsers;
+        for (auto const& aNP : rEntry.second)
+            if( aNP.HasPasswords( PERSISTENT_RECORD ) )
+            {
+                sal_Int32 oldLen = aUsers.getLength();
+                aUsers.realloc( oldLen + 1 );
+                aUsers.getArray()[ oldLen ] = UserRecord( aNP.GetUserName(), comphelper::containerToSequence( DecodePasswords( aNP.GetPersistentPasswords(), aNP.GetPersistentIV(),
+                                                                                                                               GetMasterPassword( xHandler ), css::task::PasswordRequestMode_PASSWORD_ENTER ) ) );
+            }
+
+        if( aUsers.hasElements() )
+        {
+            sal_Int32 oldLen = aResult.getLength();
+            aResult.realloc( oldLen + 1 );
+            aResult.getArray()[ oldLen ] = UrlRecord( rEntry.first, aUsers );
+        }
+    }
+
+    return aResult;
+}
+
+sal_Bool SAL_CALL PasswordContainer::authorizateWithMasterPassword( const uno::Reference< task::XInteractionHandler >& xHandler )
+{
+    std::unique_lock aGuard( mMutex );
+    return authorizateWithMasterPassword(aGuard, xHandler);
+}
+
+bool PasswordContainer::authorizateWithMasterPassword( std::unique_lock<std::mutex>& /*rGuard*/, const uno::Reference< task::XInteractionHandler >& xHandler )
+{
+    bool bResult = false;
+    OUString aEncodedMP, aEncodedMPIV;
+    uno::Reference< task::XInteractionHandler > xTmpHandler = xHandler;
+
+    // the method should fail if there is no master password
+    if( m_xStorageFile && m_xStorageFile->useStorage() && m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) )
+    {
+        if ( aEncodedMP.isEmpty() )
+        {
+            // this is a default master password
+            // no UI is necessary
+            bResult = true;
+        }
+        else
+        {
+            if ( !xTmpHandler.is() )
+            {
+                uno::Reference< lang::XMultiServiceFactory > xFactory( mComponent, uno::UNO_QUERY_THROW );
+                uno::Reference< uno::XComponentContext > xContext( comphelper::getComponentContext(xFactory) );
+                xTmpHandler.set( InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );
+            }
+
+            if ( !m_aMasterPassword.isEmpty() )
+            {
+                // there is a password, it should be just rechecked
+                PasswordRequestMode aRMode = PasswordRequestMode_PASSWORD_ENTER;
+                OUString aPass;
+
+                do {
+                    aPass = RequestPasswordFromUser( aRMode, xTmpHandler );
+
+                    if (!aPass.isEmpty() && m_xStorageFile->getStorageVersion() == 0)
+                    {
+                        aPass = ReencodeAsOldHash(aPass);
+                    }
+
+                    bResult = ( !aPass.isEmpty() && aPass == m_aMasterPassword );
+                    aRMode = PasswordRequestMode_PASSWORD_REENTER; // further questions with error notification
+                } while( !bResult && !aPass.isEmpty() );
+            }
+            else
+            {
+                try
+                {
+                    // ask for the password, if user provide no correct password an exception will be thrown
+                    bResult = !GetMasterPassword( xTmpHandler ).isEmpty();
+                }
+                catch( uno::Exception& )
+                {}
+            }
+        }
+    }
+
+    return bResult;
+}
+
+sal_Bool SAL_CALL PasswordContainer::changeMasterPassword( const uno::Reference< task::XInteractionHandler >& xHandler )
+{
+    bool bResult = false;
+    uno::Reference< task::XInteractionHandler > xTmpHandler = xHandler;
+    std::unique_lock aGuard( mMutex );
+
+    if ( m_xStorageFile && m_xStorageFile->useStorage() )
+    {
+        if ( !xTmpHandler.is() )
+        {
+            uno::Reference< lang::XMultiServiceFactory > xFactory( mComponent, uno::UNO_QUERY_THROW );
+            uno::Reference< uno::XComponentContext > xContext( comphelper::getComponentContext(xFactory) );
+            xTmpHandler.set( InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );
+        }
+
+        bool bCanChangePassword = true;
+        // if there is already a stored master password it should be entered by the user before the change happen
+        OUString aEncodedMP, aEncodedMPIV;
+        if( !m_aMasterPassword.isEmpty() || m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) )
+            bCanChangePassword = authorizateWithMasterPassword( aGuard, xTmpHandler );
+
+        if ( bCanChangePassword )
+        {
+            // ask for the new password, but do not set it
+            OUString aPass = RequestPasswordFromUser( PasswordRequestMode_PASSWORD_CREATE, xTmpHandler );
+
+            if ( !aPass.isEmpty() )
+            {
+                // get all the persistent entries if it is possible
+                const Sequence< UrlRecord > aPersistent = getAllPersistent( aGuard, uno::Reference< task::XInteractionHandler >() );
+
+                // remove the master password and the entries persistence
+                removeMasterPassword(aGuard);
+
+                // store the new master password
+                m_aMasterPassword = aPass;
+                std::vector< OUString > aMaster( 1, m_aMasterPassword );
+                OUString aIV = createIV();
+                m_xStorageFile->setEncodedMasterPassword(EncodePasswords(aMaster, aIV, m_aMasterPassword), aIV);
+
+                // store all the entries with the new password
+                for ( const auto& rURL : aPersistent )
+                    for ( const auto& rUser : rURL.UserList )
+                        PrivateAdd( rURL.Url, rUser.UserName, rUser.Passwords, PERSISTENT_RECORD,
+                                       uno::Reference< task::XInteractionHandler >() );
+
+                bResult = true;
+            }
+        }
+    }
+
+    return bResult;
+}
+
+void SAL_CALL PasswordContainer::removeMasterPassword()
+{
+    std::unique_lock aGuard(mMutex);
+    removeMasterPassword(aGuard);
+}
+
+void PasswordContainer::removeMasterPassword(std::unique_lock<std::mutex>& rGuard)
+{
+    // remove all the stored passwords and the master password
+    removeAllPersistent(rGuard);
+
+    if ( m_xStorageFile )
+    {
+        m_aMasterPassword.clear();
+        m_xStorageFile->setEncodedMasterPassword( OUString(), OUString() ); // let the master password be removed from configuration
+    }
+}
+
+sal_Bool SAL_CALL PasswordContainer::hasMasterPassword(  )
+{
+    std::unique_lock aGuard( mMutex );
+
+    if ( !m_xStorageFile )
+        throw uno::RuntimeException();
+
+    OUString aEncodedMP, aEncodedMPIV;
+    return ( m_xStorageFile->useStorage() && m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) );
+}
+
+sal_Bool SAL_CALL PasswordContainer::allowPersistentStoring( sal_Bool bAllow )
+{
+    std::unique_lock aGuard( mMutex );
+
+    if ( !m_xStorageFile )
+        throw uno::RuntimeException();
+
+    if ( !bAllow )
+        removeMasterPassword(aGuard);
+
+    if (m_xStorageFile->useStorage() == static_cast<bool>(bAllow))
+        return bAllow;
+
+    m_xStorageFile->setUseStorage( bAllow );
+    return !bAllow;
+}
+
+sal_Bool SAL_CALL PasswordContainer::isPersistentStoringAllowed()
+{
+    std::unique_lock aGuard( mMutex );
+
+    if ( !m_xStorageFile )
+        throw uno::RuntimeException();
+
+    return m_xStorageFile->useStorage();
+}
+
+sal_Bool SAL_CALL PasswordContainer::useDefaultMasterPassword( const uno::Reference< task::XInteractionHandler >& xHandler )
+{
+    bool bResult = false;
+    uno::Reference< task::XInteractionHandler > xTmpHandler = xHandler;
+    std::unique_lock aGuard( mMutex );
+
+    if ( m_xStorageFile && m_xStorageFile->useStorage() )
+    {
+        if ( !xTmpHandler.is() )
+        {
+            uno::Reference< lang::XMultiServiceFactory > xFactory( mComponent, uno::UNO_QUERY_THROW );
+            uno::Reference< uno::XComponentContext > xContext( comphelper::getComponentContext(xFactory) );
+            xTmpHandler.set( InteractionHandler::createWithParent(xContext, nullptr), uno::UNO_QUERY_THROW );
+        }
+
+        bool bCanChangePassword = true;
+        // if there is already a stored nondefault master password it should be entered by the user before the change happen
+        OUString aEncodedMP, aEncodedMPIV;
+        if( m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) && !aEncodedMP.isEmpty() )
+            bCanChangePassword = authorizateWithMasterPassword( aGuard, xTmpHandler );
+
+        if ( bCanChangePassword )
+        {
+            // generate the default password
+            OUString aPass = GetDefaultMasterPassword();
+            if ( !aPass.isEmpty() )
+            {
+                // get all the persistent entries if it is possible
+                const Sequence< UrlRecord > aPersistent = getAllPersistent( aGuard, uno::Reference< task::XInteractionHandler >() );
+
+                // remove the master password and the entries persistence
+                removeMasterPassword(aGuard);
+
+                // store the empty string to flag the default master password
+                m_aMasterPassword = aPass;
+                m_xStorageFile->setEncodedMasterPassword( OUString(), OUString(), true );
+
+                // store all the entries with the new password
+                for ( const auto& rURL : aPersistent )
+                    for ( const auto& rUser : rURL.UserList )
+                        PrivateAdd( rURL.Url, rUser.UserName, rUser.Passwords, PERSISTENT_RECORD,
+                                   uno::Reference< task::XInteractionHandler >() );
+
+                bResult = true;
+            }
+        }
+    }
+
+    return bResult;
+
+}
+
+sal_Bool SAL_CALL PasswordContainer::isDefaultMasterPasswordUsed()
+{
+    std::unique_lock aGuard( mMutex );
+
+    if ( !m_xStorageFile )
+        throw uno::RuntimeException();
+
+    OUString aEncodedMP, aEncodedMPIV;
+    return ( m_xStorageFile->useStorage() && m_xStorageFile->getEncodedMasterPassword( aEncodedMP, aEncodedMPIV ) && aEncodedMP.isEmpty() );
+}
+
+
+void SAL_CALL PasswordContainer::addUrl( const OUString& Url, sal_Bool MakePersistent )
+{
+    mUrlContainer.add( Url, MakePersistent );
+}
+
+OUString SAL_CALL PasswordContainer::findUrl( const OUString& Url )
+{
+    return mUrlContainer.find( Url );
+}
+
+void SAL_CALL PasswordContainer::removeUrl( const OUString& Url )
+{
+    mUrlContainer.remove( Url );
+}
+
+uno::Sequence< OUString > SAL_CALL PasswordContainer::getUrls( sal_Bool OnlyPersistent )
+{
+    return mUrlContainer.list( OnlyPersistent );
+}
+
+
+void PasswordContainer::Notify()
+{
+    std::unique_lock aGuard( mMutex );
+
+    // remove the cached persistent values in the memory
+    for( auto& rEntry : m_aContainer )
+    {
+        for( std::vector< NamePasswordRecord >::iterator aNPIter = rEntry.second.begin(); aNPIter != rEntry.second.end(); )
+        {
+            if( aNPIter->HasPasswords( PERSISTENT_RECORD ) )
+            {
+                aNPIter->RemovePasswords( PERSISTENT_RECORD );
+
+                if ( m_xStorageFile )
+                    m_xStorageFile->remove( rEntry.first, aNPIter->GetUserName() ); // remove record ( aURL, aName )
+            }
+
+            if( !aNPIter->HasPasswords( MEMORY_RECORD ) )
+            {
+                aNPIter = rEntry.second.erase(aNPIter);
+            }
+            else
+                ++aNPIter;
+        }
+    }
+
+    PasswordMap addon;
+    if( m_xStorageFile )
+        addon = m_xStorageFile->getInfo();
+
+    for( const auto& rEntry : addon )
+    {
+        PasswordMap::iterator aSearchIter = m_aContainer.find( rEntry.first );
+        if( aSearchIter != m_aContainer.end() )
+            for (auto const& aNP : rEntry.second)
+                UpdateVector( aSearchIter->first, aSearchIter->second, aNP, false );
+        else
+            m_aContainer.insert( PairUrlRecord( rEntry.first, rEntry.second ) );
+    }
+}
+
+OUString SAL_CALL PasswordContainer::getImplementationName(  )
+{
+    return "stardiv.svl.PasswordContainer";
+}
+
+sal_Bool SAL_CALL PasswordContainer::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService( this,  ServiceName );
+}
+
+Sequence< OUString > SAL_CALL PasswordContainer::getSupportedServiceNames(  )
+{
+    return { "com.sun.star.task.PasswordContainer" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+svl_PasswordContainer_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
+{
+    return cppu::acquire(new PasswordContainer(context));
+}
+
+
+MasterPasswordRequest_Impl::MasterPasswordRequest_Impl( PasswordRequestMode Mode )
+{
+    MasterPasswordRequest aRequest;
+
+    aRequest.Classification = InteractionClassification_ERROR;
+    aRequest.Mode = Mode;
+
+    setRequest( Any( aRequest ) );
+
+    // Fill continuations...
+    Sequence< RememberAuthentication > aRememberModes{ RememberAuthentication_NO };
+
+    m_xAuthSupplier
+        = new ::ucbhelper::InteractionSupplyAuthentication(
+                this,
+                false, // bCanSetRealm
+                false,  // bCanSetUserName
+                true,  // bCanSetPassword
+                false, // bCanSetAccount
+                aRememberModes, // rRememberPasswordModes
+                RememberAuthentication_NO, // eDefaultRememberPasswordMode
+                aRememberModes, // rRememberAccountModes
+                RememberAuthentication_NO, // eDefaultRememberAccountMode
+                false // bCanUseSystemCredentials
+            );
+
+    Sequence<
+        Reference< XInteractionContinuation > > aContinuations{
+            new ::ucbhelper::InteractionAbort( this ),
+            new ::ucbhelper::InteractionRetry( this ),
+            m_xAuthSupplier
+    };
+
+    setContinuations( aContinuations );
+}
+
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/passwordcontainer/passwordcontainer.hxx b/svl/source/passwordcontainer/passwordcontainer.hxx
new file mode 100644
index 0000000000..80fae574f1
--- /dev/null
+++ b/svl/source/passwordcontainer/passwordcontainer.hxx
@@ -0,0 +1,412 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_SVL_SOURCE_PASSWORDCONTAINER_PASSWORDCONTAINER_HXX
+#define INCLUDED_SVL_SOURCE_PASSWORDCONTAINER_PASSWORDCONTAINER_HXX
+
+#include <utility>
+#include <vector>
+#include <map>
+#include <mutex>
+#include <optional>
+#include <com/sun/star/task/XPasswordContainer2.hpp>
+#include <com/sun/star/task/PasswordRequestMode.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XEventListener.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <cppuhelper/implbase.hxx>
+
+#include <unotools/configitem.hxx>
+#include <ucbhelper/interactionrequest.hxx>
+
+#include <rtl/random.h>
+#include <rtl/ref.hxx>
+#include <osl/mutex.hxx>
+
+#include "syscreds.hxx"
+
+#define MEMORY_RECORD         0
+#define PERSISTENT_RECORD     1
+
+
+class NamePasswordRecord
+{
+    OUString                    m_aName;
+
+    // there are two lists of passwords, memory passwords and persistent passwords
+    bool                        m_bHasMemoryPasswords;
+    ::std::vector< OUString >   m_aMemoryPasswords;
+
+    // persistent passwords are encrypted in one string
+    bool                        m_bHasPersistentPassword;
+    OUString                    m_aPersistentPassword;
+    OUString                    m_aPersistentIV;
+
+    void InitArrays( bool bHasMemoryList, ::std::vector< OUString >&& aMemoryList,
+                     bool bHasPersistentList, const OUString& aPersistentList, const OUString& aPersistentIV )
+    {
+        m_bHasMemoryPasswords = bHasMemoryList;
+        if ( bHasMemoryList )
+            m_aMemoryPasswords = aMemoryList;
+
+        m_bHasPersistentPassword = bHasPersistentList;
+        if ( bHasPersistentList )
+        {
+            m_aPersistentPassword = aPersistentList;
+            m_aPersistentIV = aPersistentIV;
+        }
+    }
+
+public:
+
+    NamePasswordRecord( OUString aName )
+        : m_aName(std::move( aName ))
+        , m_bHasMemoryPasswords( false )
+        , m_bHasPersistentPassword( false )
+    {
+    }
+
+    NamePasswordRecord( OUString aName, OUString aPersistentList, OUString aPersistentIV )
+        : m_aName(std::move( aName ))
+        , m_bHasMemoryPasswords( false )
+        , m_bHasPersistentPassword( true )
+        , m_aPersistentPassword(std::move( aPersistentList ))
+        , m_aPersistentIV(std::move( aPersistentIV ))
+    {
+    }
+
+    NamePasswordRecord( const NamePasswordRecord& aRecord )
+        : m_aName( aRecord.m_aName )
+        , m_bHasMemoryPasswords( false )
+        , m_bHasPersistentPassword( false )
+    {
+        InitArrays( aRecord.m_bHasMemoryPasswords, std::vector(aRecord.m_aMemoryPasswords),
+                    aRecord.m_bHasPersistentPassword, aRecord.m_aPersistentPassword, aRecord.m_aPersistentIV );
+    }
+
+    NamePasswordRecord& operator=( const NamePasswordRecord& aRecord )
+    {
+        if (this != &aRecord)
+        {
+            m_aName = aRecord.m_aName;
+
+            m_aMemoryPasswords.clear();
+            m_aPersistentPassword.clear();
+            m_aPersistentIV.clear();
+            InitArrays( aRecord.m_bHasMemoryPasswords, std::vector(aRecord.m_aMemoryPasswords),
+                        aRecord.m_bHasPersistentPassword, aRecord.m_aPersistentPassword, aRecord.m_aPersistentIV );
+        }
+        return *this;
+    }
+
+    const OUString& GetUserName() const
+    {
+        return m_aName;
+    }
+
+    bool HasPasswords( sal_Int8 nStatus ) const
+    {
+        if ( nStatus == MEMORY_RECORD )
+            return m_bHasMemoryPasswords;
+        if ( nStatus == PERSISTENT_RECORD )
+            return m_bHasPersistentPassword;
+
+        return false;
+    }
+
+    ::std::vector< OUString > GetMemoryPasswords() const
+    {
+        if ( m_bHasMemoryPasswords )
+            return m_aMemoryPasswords;
+
+        return ::std::vector< OUString >();
+    }
+
+    OUString GetPersistentPasswords() const
+    {
+        if ( m_bHasPersistentPassword )
+            return m_aPersistentPassword;
+
+        return OUString();
+    }
+
+    OUString GetPersistentIV() const
+    {
+        if ( m_bHasPersistentPassword )
+            return m_aPersistentIV;
+
+        return OUString();
+    }
+
+    void SetMemoryPasswords( ::std::vector< OUString >&& aMemList )
+    {
+        m_aMemoryPasswords = std::move(aMemList);
+        m_bHasMemoryPasswords = true;
+    }
+
+    void SetPersistentPasswords( const OUString& aPersList, const OUString& aPersIV )
+    {
+        m_aPersistentPassword = aPersList;
+        m_aPersistentIV = aPersIV;
+        m_bHasPersistentPassword = true;
+    }
+
+    void RemovePasswords( sal_Int8 nStatus )
+    {
+        if ( nStatus == MEMORY_RECORD )
+        {
+            m_bHasMemoryPasswords = false;
+            m_aMemoryPasswords.clear();
+        }
+        else if ( nStatus == PERSISTENT_RECORD )
+        {
+            m_bHasPersistentPassword = false;
+            m_aPersistentPassword.clear();
+            m_aPersistentIV.clear();
+        }
+    }
+
+};
+
+
+typedef ::std::pair< const OUString, ::std::vector< NamePasswordRecord > > PairUrlRecord;
+typedef ::std::map< OUString, ::std::vector< NamePasswordRecord > > PasswordMap;
+
+// org.openoffice.Office.Common/Passwords/StorageVersion bump if details of
+// how password details are saved changes. Enables migration from previous
+// schemes.
+constexpr sal_Int32 nCurrentStorageVersion = 1;
+
+class PasswordContainer;
+
+class StorageItem
+    : public ::utl::ConfigItem
+{
+private:
+    PasswordContainer*     mainCont;
+    bool                   hasEncoded;
+    OUString               mEncoded;
+    OUString               mEncodedIV;
+
+    virtual void            ImplCommit() override;
+
+public:
+    StorageItem( PasswordContainer* point, const OUString& path ) :
+        ConfigItem( path, ConfigItemMode::NONE ),
+        mainCont( point ),
+        hasEncoded( false )
+    {
+        css::uno::Sequence< OUString > aNode { path + "/Store" };
+        EnableNotification( aNode );
+    }
+
+    PasswordMap getInfo();
+    void update( const OUString& url, const NamePasswordRecord& rec );
+    void remove( const OUString& url, const OUString& rec );
+    void clear();
+
+    sal_Int32 getStorageVersion();
+
+    bool getEncodedMasterPassword( OUString& aResult, OUString& aResultIV );
+    void setEncodedMasterPassword( const OUString& aResult, const OUString& aResultIV, bool bAcceptEmpty = false );
+    void setUseStorage( bool bUse );
+    bool useStorage();
+
+    virtual void            Notify( const css::uno::Sequence< OUString >& aPropertyNames ) override;
+};
+
+
+class PasswordContainer : public ::cppu::WeakImplHelper<
+        css::task::XPasswordContainer2,
+        css::lang::XServiceInfo,
+        css::lang::XEventListener >
+{
+private:
+    PasswordMap      m_aContainer;
+    std::optional<StorageItem> m_xStorageFile;
+    std::mutex mMutex;
+    OUString m_aMasterPassword; // master password is set when the string is not empty
+    css::uno::Reference< css::lang::XComponent > mComponent;
+    SysCredentialsConfig mUrlContainer;
+
+    class RandomPool
+    {
+    private:
+        rtlRandomPool m_aRandomPool;
+    public:
+        RandomPool() : m_aRandomPool(rtl_random_createPool())
+        {
+        }
+        rtlRandomPool get()
+        {
+            return m_aRandomPool;
+        }
+        ~RandomPool()
+        {
+            // Clean up random pool memory
+            rtl_random_destroyPool(m_aRandomPool);
+        }
+    };
+
+    RandomPool mRandomPool;
+
+    OUString createIV();
+
+    /// @throws css::uno::RuntimeException
+    css::uno::Sequence< css::task::UserRecord > CopyToUserRecordSequence(
+                                        const ::std::vector< NamePasswordRecord >& original,
+                                        const css::uno::Reference< css::task::XInteractionHandler >& Handler );
+
+    css::task::UserRecord CopyToUserRecord(
+                                        const NamePasswordRecord& aRecord,
+                                        bool& io_bTryToDecode,
+                                        const css::uno::Reference< css::task::XInteractionHandler >& aHandler );
+
+    /// @throws css::uno::RuntimeException
+    css::uno::Sequence< css::task::UserRecord > FindUsr(
+                                        const ::std::vector< NamePasswordRecord >& userlist,
+                                        std::u16string_view name,
+                                        const css::uno::Reference< css::task::XInteractionHandler >& Handler );
+    /// @throws css::uno::RuntimeException
+    bool createUrlRecord(
+        const PasswordMap::iterator & rIter,
+        bool bName,
+        std::u16string_view aName,
+        const css::uno::Reference< css::task::XInteractionHandler >& aHandler,
+        css::task::UrlRecord & rRec  );
+
+    /// @throws css::uno::RuntimeException
+    css::task::UrlRecord find(
+        const OUString& aURL,
+        std::u16string_view aName,
+        bool bName, // only needed to support empty user names
+        const css::uno::Reference< css::task::XInteractionHandler >& aHandler  );
+
+    static OUString GetDefaultMasterPassword();
+
+    static OUString RequestPasswordFromUser(
+                    css::task::PasswordRequestMode aRMode,
+                    const css::uno::Reference< css::task::XInteractionHandler >& xHandler );
+
+    /// @throws css::uno::RuntimeException
+    OUString const & GetMasterPassword( const css::uno::Reference< css::task::XInteractionHandler >& Handler );
+
+    /// @throws css::uno::RuntimeException
+    void UpdateVector( const OUString& url, ::std::vector< NamePasswordRecord >& toUpdate, NamePasswordRecord const & rec, bool writeFile );
+
+    /// @throws css::uno::RuntimeException
+    void PrivateAdd( const OUString& aUrl,
+                              const OUString& aUserName,
+                              const css::uno::Sequence< OUString >& aPasswords,
+                              char  aMode,
+                              const css::uno::Reference< css::task::XInteractionHandler >& Handler );
+
+    /// @throws css::uno::RuntimeException
+    static ::std::vector< OUString > DecodePasswords( std::u16string_view aLine, std::u16string_view aIV, std::u16string_view aMasterPassword, css::task::PasswordRequestMode mode );
+
+    /// @throws css::uno::RuntimeException
+    static OUString EncodePasswords(const std::vector< OUString >& lines, std::u16string_view aIV, std::u16string_view aMasterPassword );
+
+public:
+    PasswordContainer( const css::uno::Reference< css::uno::XComponentContext >& );
+    virtual ~PasswordContainer() override;
+
+    virtual void SAL_CALL add( const OUString& aUrl,
+                               const OUString& aUserName,
+                               const css::uno::Sequence< OUString >& aPasswords,
+                               const css::uno::Reference< css::task::XInteractionHandler >& Handler  ) override;
+
+    virtual void SAL_CALL addPersistent( const OUString& aUrl,
+                                            const OUString& aUserName,
+                                         const css::uno::Sequence< OUString >& aPasswords,
+                                          const css::uno::Reference< css::task::XInteractionHandler >& Handler  ) override;
+
+    virtual css::task::UrlRecord SAL_CALL
+                            find( const OUString& aUrl,
+                                  const css::uno::Reference< css::task::XInteractionHandler >& Handler  ) override;
+
+    virtual css::task::UrlRecord SAL_CALL
+                            findForName( const OUString& aUrl,
+                                         const OUString& aUserName,
+                                         const css::uno::Reference< css::task::XInteractionHandler >& Handler  ) override;
+
+    virtual void SAL_CALL remove( const OUString& aUrl,
+                                  const OUString& aUserName ) override;
+
+    virtual void SAL_CALL removePersistent( const OUString& aUrl,
+                                            const OUString& aUserName ) override;
+
+    virtual void SAL_CALL removeAllPersistent() override;
+
+    virtual css::uno::Sequence< css::task::UrlRecord > SAL_CALL
+                            getAllPersistent( const css::uno::Reference< css::task::XInteractionHandler >& Handler ) override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL    getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL            supportsService( const OUString& ServiceName ) override;
+
+    virtual css::uno::Sequence< OUString > SAL_CALL
+                                        getSupportedServiceNames(  ) override;
+
+    // XEventListener
+    virtual void SAL_CALL        disposing( const css::lang::EventObject& Source ) override;
+
+    // XMasterPasswordHandling
+    virtual sal_Bool SAL_CALL authorizateWithMasterPassword( const css::uno::Reference< css::task::XInteractionHandler >& xHandler ) override;
+    virtual sal_Bool SAL_CALL changeMasterPassword( const css::uno::Reference< css::task::XInteractionHandler >& xHandler ) override;
+    virtual void SAL_CALL removeMasterPassword() override;
+    virtual sal_Bool SAL_CALL hasMasterPassword(  ) override;
+    virtual sal_Bool SAL_CALL allowPersistentStoring( sal_Bool bAllow ) override;
+    virtual sal_Bool SAL_CALL isPersistentStoringAllowed(  ) override;
+
+    // XMasterPasswordHandling2
+    virtual sal_Bool SAL_CALL useDefaultMasterPassword( const css::uno::Reference< css::task::XInteractionHandler >& xHandler ) override;
+    virtual sal_Bool SAL_CALL isDefaultMasterPasswordUsed(  ) override;
+
+    // XUrlContainer
+    virtual void SAL_CALL addUrl( const OUString& Url, sal_Bool MakePersistent ) override;
+    virtual OUString SAL_CALL findUrl( const OUString& Url ) override;
+    virtual void SAL_CALL removeUrl( const OUString& Url ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getUrls( sal_Bool OnlyPersistent ) override;
+
+    void            Notify();
+private:
+    bool authorizateWithMasterPassword( std::unique_lock<std::mutex>& rGuard, const css::uno::Reference< css::task::XInteractionHandler >& xHandler );
+    css::uno::Sequence< css::task::UrlRecord > getAllPersistent( std::unique_lock<std::mutex>& rGuard, const css::uno::Reference< css::task::XInteractionHandler >& Handler );
+    void removeAllPersistent(std::unique_lock<std::mutex>& rGuard);
+    void removeMasterPassword(std::unique_lock<std::mutex>& rGuard);
+};
+
+
+class MasterPasswordRequest_Impl : public ucbhelper::InteractionRequest
+{
+    ::rtl::Reference< ucbhelper::InteractionSupplyAuthentication > m_xAuthSupplier;
+
+public:
+    MasterPasswordRequest_Impl( css::task::PasswordRequestMode Mode );
+
+    const ::rtl::Reference< ucbhelper::InteractionSupplyAuthentication > &
+    getAuthenticationSupplier() const { return m_xAuthSupplier; }
+
+};
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/passwordcontainer/syscreds.cxx b/svl/source/passwordcontainer/syscreds.cxx
new file mode 100644
index 0000000000..8de4a82f0d
--- /dev/null
+++ b/svl/source/passwordcontainer/syscreds.cxx
@@ -0,0 +1,269 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "syscreds.hxx"
+#include <osl/diagnose.h>
+#include <comphelper/sequence.hxx>
+
+using namespace com::sun::star;
+
+SysCredentialsConfigItem::SysCredentialsConfigItem(
+    SysCredentialsConfig * pOwner )
+: utl::ConfigItem( "Office.Common/Passwords", ConfigItemMode::NONE ),
+  m_bInited( false ),
+  m_pOwner( pOwner )
+{
+    uno::Sequence<OUString> aNode { "Office.Common/Passwords/AuthenticateUsingSystemCredentials" };
+    EnableNotification( aNode );
+}
+
+//virtual
+void SysCredentialsConfigItem::Notify(
+    const uno::Sequence< OUString > & /*seqPropertyNames*/ )
+{
+    {
+        std::unique_lock aGuard( m_aMutex );
+        m_bInited = false;
+        // rebuild m_seqURLs
+        getSystemCredentialsURLs(aGuard);
+    }
+    m_pOwner->persistentConfigChanged();
+}
+
+void SysCredentialsConfigItem::ImplCommit()
+{
+    // does nothing
+}
+
+uno::Sequence< OUString >
+SysCredentialsConfigItem::getSystemCredentialsURLs()
+{
+    std::unique_lock aGuard(m_aMutex);
+    return getSystemCredentialsURLs(aGuard);
+}
+
+uno::Sequence< OUString >
+SysCredentialsConfigItem::getSystemCredentialsURLs(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    if ( !m_bInited )
+    {
+        // read config item
+        uno::Sequence<OUString> aPropNames { "AuthenticateUsingSystemCredentials" };
+        uno::Sequence< uno::Any > aAnyValues(
+            utl::ConfigItem::GetProperties( aPropNames ) );
+
+        OSL_ENSURE(
+            aAnyValues.getLength() == 1,
+            "SysCredentialsConfigItem::getSystemCredentialsURLs: "
+            "Error reading config item!" );
+
+        uno::Sequence< OUString > aValues;
+        if ( ( aAnyValues[ 0 ] >>= aValues ) ||
+             ( !aAnyValues[ 0 ].hasValue() ) )
+        {
+            m_seqURLs = aValues;
+            m_bInited = true;
+        }
+    }
+    return m_seqURLs;
+}
+
+void SysCredentialsConfigItem::setSystemCredentialsURLs(
+    const uno::Sequence< OUString > & seqURLList )
+{
+    // write config item.
+    uno::Sequence< OUString > aPropNames{ "AuthenticateUsingSystemCredentials" };
+    uno::Sequence< uno::Any > aPropValues{ uno::Any(seqURLList) };
+
+    utl::ConfigItem::SetModified();
+    utl::ConfigItem::PutProperties( aPropNames, aPropValues );
+
+    std::unique_lock aGuard( m_aMutex );
+
+    m_seqURLs = seqURLList;
+    m_bInited = true;
+}
+
+
+namespace
+{
+    // TODO: This code is actually copied from svl/source/passwordcontainer.cxx
+    bool removeLastSegment( OUString & aURL )
+    {
+        sal_Int32 aInd = aURL.lastIndexOf( '/' );
+
+        if( aInd > 0  )
+        {
+            sal_Int32 aPrevInd = aURL.lastIndexOf( '/', aInd );
+            if ( aURL.indexOf( "://" ) != aPrevInd - 2 ||
+                 aInd != aURL.getLength() - 1 )
+            {
+                aURL = aURL.copy( 0, aInd );
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    bool findURL( std::set<OUString> const & rContainer, OUString const & aURL, OUString & aResult )
+    {
+        // TODO: This code is actually copied from svl/source/passwordcontainer.cxx
+        if( !rContainer.empty() && !aURL.isEmpty() )
+        {
+            OUString aUrl( aURL );
+
+            // each iteration remove last '/...' section from the aUrl
+            // while it's possible, up to the most left '://'
+            do
+            {
+                // first look for <url>/somename and then look for <url>/somename/...
+                auto aIter = rContainer.find( aUrl );
+                if( aIter != rContainer.end() )
+                {
+                    aResult = *aIter;
+                    return true;
+                }
+                else
+                {
+                    OUString tmpUrl( aUrl );
+                    if ( !tmpUrl.endsWith("/") )
+                      tmpUrl += "/";
+
+                    aIter = rContainer.lower_bound( tmpUrl );
+                    if( aIter != rContainer.end() && aIter->match( tmpUrl ) )
+                    {
+                        aResult = *aIter;
+                        return true;
+                    }
+                }
+            }
+            while( removeLastSegment( aUrl ) && !aUrl.isEmpty() );
+        }
+        aResult.clear();
+        return false;
+    }
+
+} // namespace
+
+SysCredentialsConfig::SysCredentialsConfig()
+: m_aConfigItem( this ),
+  m_bCfgInited( false )
+{
+}
+
+void SysCredentialsConfig::initCfg(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    if ( !m_bCfgInited )
+    {
+        const uno::Sequence< OUString > aURLs(
+            m_aConfigItem.getSystemCredentialsURLs() );
+        m_aCfgContainer.insert( aURLs.begin(), aURLs.end() );
+        m_bCfgInited = true;
+    }
+}
+
+void SysCredentialsConfig::writeCfg(std::unique_lock<std::mutex>& /*rGuard*/)
+{
+    OSL_ENSURE( m_bCfgInited, "SysCredentialsConfig::writeCfg : not initialized!" );
+
+    m_aConfigItem.setSystemCredentialsURLs( comphelper::containerToSequence(m_aCfgContainer) );
+}
+
+OUString SysCredentialsConfig::find( OUString const & aURL )
+{
+    std::unique_lock aGuard( m_aMutex );
+    OUString aResult;
+    if ( findURL( m_aMemContainer, aURL, aResult ) )
+        return aResult;
+
+    initCfg(aGuard);
+    if ( findURL( m_aCfgContainer, aURL, aResult ) )
+        return aResult;
+
+    return OUString();
+}
+
+void SysCredentialsConfig::add( OUString const & rURL, bool bPersistent )
+{
+    std::unique_lock aGuard( m_aMutex );
+
+    if ( bPersistent )
+    {
+        m_aMemContainer.erase( rURL );
+
+        initCfg(aGuard);
+        m_aCfgContainer.insert( rURL );
+        writeCfg(aGuard);
+    }
+    else
+    {
+        initCfg(aGuard);
+        if ( m_aCfgContainer.erase( rURL ) > 0 )
+            writeCfg(aGuard);
+
+        m_aMemContainer.insert( rURL );
+    }
+}
+
+void SysCredentialsConfig::remove( OUString const & rURL )
+{
+    std::unique_lock aGuard(m_aMutex);
+
+    m_aMemContainer.erase( rURL );
+
+    initCfg(aGuard);
+    if ( m_aCfgContainer.erase( rURL ) > 0 )
+        writeCfg(aGuard);
+}
+
+uno::Sequence< OUString > SysCredentialsConfig::list( bool bOnlyPersistent )
+{
+    std::unique_lock aGuard(m_aMutex);
+    initCfg(aGuard);
+    sal_Int32 nCount = m_aCfgContainer.size()
+                     + ( bOnlyPersistent ? 0 : m_aMemContainer.size() );
+    uno::Sequence< OUString > aResult( nCount );
+    auto aResultRange = asNonConstRange(aResult);
+    sal_Int32 n = 0;
+
+    for ( const auto& rItem : m_aCfgContainer )
+    {
+        aResultRange[ n ] = rItem;
+        ++n;
+    }
+
+    if ( !bOnlyPersistent )
+    {
+        for ( const auto& rItem : m_aMemContainer )
+        {
+            aResultRange[ n ] = rItem;
+            ++n;
+        }
+    }
+    return aResult;
+}
+
+void SysCredentialsConfig::persistentConfigChanged()
+{
+    std::unique_lock aGuard( m_aMutex );
+    m_bCfgInited = false; // re-init on demand.
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/passwordcontainer/syscreds.hxx b/svl/source/passwordcontainer/syscreds.hxx
new file mode 100644
index 0000000000..75241c4e79
--- /dev/null
+++ b/svl/source/passwordcontainer/syscreds.hxx
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_PASSWORDCONTAINER_SYSCREDS_HXX
+#define INCLUDED_SVL_SOURCE_PASSWORDCONTAINER_SYSCREDS_HXX
+
+#include <memory>
+#include <mutex>
+#include <set>
+#include <rtl/ustring.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <unotools/configitem.hxx>
+
+class SysCredentialsConfig;
+
+class SysCredentialsConfigItem : public utl::ConfigItem
+{
+    public:
+        explicit SysCredentialsConfigItem( SysCredentialsConfig * pOwner );
+        //virtual ~SysCredentialsConfigItem();
+
+        virtual void Notify( const css::uno::Sequence< OUString > & seqPropertyNames ) override;
+
+        css::uno::Sequence< OUString > getSystemCredentialsURLs();
+
+        void setSystemCredentialsURLs( const css::uno::Sequence< OUString > & seqURLList );
+
+        //bool isSystemCredentialsURL( const OUString & rURL ) const;
+
+    private:
+        css::uno::Sequence< OUString > getSystemCredentialsURLs(std::unique_lock<std::mutex>& rGuard);
+        virtual void ImplCommit() override;
+
+        std::mutex m_aMutex;
+        bool m_bInited;
+        css::uno::Sequence< OUString > m_seqURLs;
+        SysCredentialsConfig * m_pOwner;
+};
+
+class SysCredentialsConfig
+{
+    public:
+        SysCredentialsConfig();
+
+        OUString find( OUString const & rURL );
+        void add( OUString const & rURL, bool bPersistent );
+        void remove( OUString const & rURL );
+        css::uno::Sequence< OUString > list( bool bOnlyPersistent );
+
+        void persistentConfigChanged();
+
+    private:
+        void initCfg(std::unique_lock<std::mutex>& rGuard);
+        void writeCfg(std::unique_lock<std::mutex>& rGuard);
+
+        std::mutex m_aMutex;
+        std::set< OUString >     m_aMemContainer;
+        std::set< OUString >     m_aCfgContainer;
+        SysCredentialsConfigItem m_aConfigItem;
+        bool         m_bCfgInited;
+};
+
+#endif // INCLUDED_SVL_SOURCE_PASSWORDCONTAINER_SYSCREDS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svdde/ddecli.cxx b/svl/source/svdde/ddecli.cxx
new file mode 100644
index 0000000000..835bdf2269
--- /dev/null
+++ b/svl/source/svdde/ddecli.cxx
@@ -0,0 +1,391 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <string.h>
+#include <algorithm>
+#include "ddeimp.hxx"
+#include <svl/svdde.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <osl/thread.h>
+#include <comphelper/solarmutex.hxx>
+
+namespace {
+
+DdeInstData * theDdeInstData;
+
+}
+
+DdeInstData* ImpGetInstData()
+{
+    return theDdeInstData;
+}
+
+DdeInstData* ImpInitInstData()
+{
+    theDdeInstData = new DdeInstData;
+    return theDdeInstData;
+}
+
+void ImpDeinitInstData()
+{
+    delete theDdeInstData;
+    theDdeInstData = nullptr;
+}
+
+
+struct DdeImp
+{
+    HCONV   hConv;
+    UINT    nStatus;
+};
+
+HDDEDATA CALLBACK DdeInternal::CliCallback( UINT nCode, UINT nCbType,
+                                            HCONV hConv, HSZ, HSZ hText2,
+                                            HDDEDATA hData, ULONG_PTR nInfo1, ULONG_PTR )
+{
+    HDDEDATA nRet = DDE_FNOTPROCESSED;
+    const std::vector<DdeConnection*> &rAll = DdeConnection::GetConnections();
+    DdeConnection*      self = nullptr;
+
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+
+    for ( size_t i = 0; i < rAll.size(); ++i)
+    {
+        self = rAll[i];
+
+        if ( self->pImp->hConv == hConv )
+            break;
+    }
+
+    if( self )
+    {
+        bool bFound = false;
+        std::vector<DdeTransaction*>::iterator iter;
+        for( iter = self->aTransactions.begin(); iter != self->aTransactions.end(); ++iter )
+        {
+            switch( nCode )
+            {
+            case XTYP_XACT_COMPLETE:
+                if( static_cast<DWORD>((*iter)->nId) == nInfo1 )
+                {
+                    nCode = (*iter)->nType & (XCLASS_MASK | XTYP_MASK);
+                    (*iter)->bBusy = false;
+                    (*iter)->Done( nullptr != hData );
+                    bFound = true;
+                }
+                break;
+
+            case XTYP_DISCONNECT:
+                self->pImp->hConv = DdeReconnect( hConv );
+                self->pImp->nStatus = self->pImp->hConv
+                    ? DMLERR_NO_ERROR
+                    : DdeGetLastError( pInst->hDdeInstCli );
+                iter = self->aTransactions.end();
+                nRet = nullptr;
+                bFound = true;
+                break;
+
+            case XTYP_ADVDATA:
+                bFound = *(*iter)->pName == hText2;
+                break;
+            }
+            if( bFound )
+                break;
+        }
+
+        if( iter != self->aTransactions.end() )
+        {
+            switch( nCode )
+            {
+            case XTYP_ADVDATA:
+                if( !hData )
+                {
+                    static_cast<DdeLink*>(*iter)->Notify();
+                    nRet = reinterpret_cast<HDDEDATA>(DDE_FACK);
+                    break;
+                }
+                [[fallthrough]];
+
+            case XTYP_REQUEST:
+                DdeData d;
+                d.xImp->hData = hData;
+                d.xImp->nFmt  = DdeData::GetInternalFormat( nCbType );
+                d.Lock();
+                (*iter)->Data( &d );
+                nRet = reinterpret_cast<HDDEDATA>(DDE_FACK);
+                break;
+            }
+        }
+    }
+    return nRet;
+}
+
+DdeConnection::DdeConnection( const OUString& rService, const OUString& rTopic ):
+    pImp(std::make_unique<DdeImp>())
+{
+    pImp->nStatus  = DMLERR_NO_ERROR;
+    pImp->hConv    = nullptr;
+
+    DdeInstData* pInst = ImpGetInstData();
+    if( !pInst )
+        pInst = ImpInitInstData();
+    pInst->nRefCount++;
+    pInst->nInstanceCli++;
+    if ( !pInst->hDdeInstCli )
+    {
+        pImp->nStatus = DMLERR_SYS_ERROR;
+        if ( !officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+        {
+            pImp->nStatus = DdeInitializeW( &pInst->hDdeInstCli,
+                                            DdeInternal::CliCallback,
+                                            APPCLASS_STANDARD | APPCMD_CLIENTONLY |
+                                            CBF_FAIL_ALLSVRXACTIONS |
+                                            CBF_SKIP_REGISTRATIONS  |
+                                            CBF_SKIP_UNREGISTRATIONS, 0L );
+        }
+    }
+
+    pService = new DdeString( pInst->hDdeInstCli, rService );
+    pTopic   = new DdeString( pInst->hDdeInstCli, rTopic );
+
+    if ( pImp->nStatus == DMLERR_NO_ERROR )
+    {
+        pImp->hConv = DdeConnect( pInst->hDdeInstCli,pService->getHSZ(),pTopic->getHSZ(), nullptr);
+        if( !pImp->hConv )
+            pImp->nStatus = DdeGetLastError( pInst->hDdeInstCli );
+    }
+
+    pInst->aConnections.push_back( this );
+}
+
+DdeConnection::~DdeConnection()
+{
+    if ( pImp->hConv )
+        DdeDisconnect( pImp->hConv );
+
+    delete pService;
+    delete pTopic;
+
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+
+    std::vector<DdeConnection*>::iterator it(std::find(pInst->aConnections.begin(),
+                                                        pInst->aConnections.end(),
+                                                        this));
+    if (it != pInst->aConnections.end())
+        pInst->aConnections.erase(it);
+
+    pInst->nInstanceCli--;
+    pInst->nRefCount--;
+    if ( !pInst->nInstanceCli && pInst->hDdeInstCli )
+    {
+        if( DdeUninitialize( pInst->hDdeInstCli ) )
+        {
+            pInst->hDdeInstCli = 0;
+            if( pInst->nRefCount == 0 )
+                ImpDeinitInstData();
+        }
+    }
+}
+
+bool DdeConnection::IsConnected()
+{
+    CONVINFO c;
+    c.cb = sizeof( c );
+    if ( DdeQueryConvInfo( pImp->hConv, QID_SYNC, &c ) )
+        return true;
+    else
+    {
+        DdeInstData* pInst = ImpGetInstData();
+        pImp->hConv = DdeReconnect( pImp->hConv );
+        pImp->nStatus = pImp->hConv ? DMLERR_NO_ERROR : DdeGetLastError( pInst->hDdeInstCli );
+        return pImp->nStatus == DMLERR_NO_ERROR;
+    }
+}
+
+OUString DdeConnection::GetServiceName() const
+{
+    return pService->toOUString();
+}
+
+ OUString DdeConnection::GetTopicName() const
+{
+    return pTopic->toOUString();
+}
+
+const std::vector<DdeConnection*>& DdeConnection::GetConnections()
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    return pInst->aConnections;
+}
+
+DdeTransaction::DdeTransaction( DdeConnection& d, const OUString& rItemName,
+                                tools::Long n )
+    : rDde( d )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    pName = new DdeString( pInst->hDdeInstCli, rItemName );
+    nTime = n;
+    nId   = 0;
+    nType = 0;
+    bBusy = false;
+
+    rDde.aTransactions.push_back( this );
+}
+
+DdeTransaction::~DdeTransaction()
+{
+    if ( nId && rDde.pImp->hConv )
+    {
+        DdeInstData* pInst = ImpGetInstData();
+        DdeAbandonTransaction( pInst->hDdeInstCli, rDde.pImp->hConv, nId );
+    }
+
+    delete pName;
+    std::erase(rDde.aTransactions,this);
+}
+
+void DdeTransaction::Execute()
+{
+    HSZ     hItem = pName->getHSZ();
+    void const * pData = aDdeData.getData();
+    DWORD   nData = static_cast<DWORD>(aDdeData.getSize());
+    SotClipboardFormatId nIntFmt = aDdeData.xImp->nFmt;
+    UINT    nExtFmt  = DdeData::GetExternalFormat( nIntFmt );
+    DdeInstData* pInst = ImpGetInstData();
+
+    if ( nType == XTYP_EXECUTE )
+        hItem = nullptr;
+    if ( nType != XTYP_EXECUTE && nType != XTYP_POKE )
+    {
+        pData = nullptr;
+        nData = 0;
+    }
+    if ( nTime )
+    {
+        HDDEDATA hData = DdeClientTransaction( static_cast<LPBYTE>(const_cast<void *>(pData)),
+                                               nData, rDde.pImp->hConv,
+                                               hItem, nExtFmt, static_cast<UINT>(nType),
+                                               static_cast<DWORD>(nTime), nullptr );
+
+        rDde.pImp->nStatus = DdeGetLastError( pInst->hDdeInstCli );
+        if( hData && nType == XTYP_REQUEST )
+        {
+            {
+                DdeData d;
+                d.xImp->hData = hData;
+                d.xImp->nFmt = nIntFmt;
+                d.Lock();
+                Data( &d );
+            }
+            DdeFreeDataHandle( hData );
+        }
+    }
+    else
+    {
+        if ( nId && rDde.pImp->hConv )
+            DdeAbandonTransaction( pInst->hDdeInstCli, rDde.pImp->hConv, nId);
+        nId = 0;
+        bBusy = true;
+        DWORD result;
+        HDDEDATA hRet = DdeClientTransaction( static_cast<LPBYTE>(const_cast<void *>(pData)), nData,
+                                            rDde.pImp->hConv, hItem, nExtFmt,
+                                            static_cast<UINT>(nType), TIMEOUT_ASYNC,
+                                            &result );
+        nId = result;
+        rDde.pImp->nStatus = hRet ? DMLERR_NO_ERROR
+                                  : DdeGetLastError( pInst->hDdeInstCli );
+    }
+}
+
+OUString DdeTransaction::GetName() const
+{
+    return pName->toOUString();
+}
+
+void DdeTransaction::Data( const DdeData* p )
+{
+    comphelper::SolarMutex *pSolarMutex = comphelper::SolarMutex::get();
+    if ( pSolarMutex )
+    {
+        pSolarMutex->acquire();
+        aData.Call( p );
+        pSolarMutex = comphelper::SolarMutex::get();
+        if ( pSolarMutex )
+            pSolarMutex->release();
+    }
+}
+
+void DdeTransaction::Done( bool bDataValid )
+{
+    aDone.Call( bDataValid );
+}
+
+DdeLink::DdeLink( DdeConnection& d, const OUString& aItemName, tools::Long n )
+    : DdeTransaction (d, aItemName, n)
+{
+}
+
+DdeLink::~DdeLink()
+{
+    nType = sal_uInt16(XTYP_ADVSTOP);
+    nTime = 0;
+}
+
+void DdeLink::Notify()
+{
+    aNotify.Call( nullptr );
+}
+
+DdeRequest::DdeRequest( DdeConnection& d, const OUString& i, tools::Long n )
+    : DdeTransaction( d, i, n )
+{
+    nType = XTYP_REQUEST;
+}
+
+DdeHotLink::DdeHotLink( DdeConnection& d, const OUString& i )
+    : DdeLink( d, i, 0 )
+{
+    nType = XTYP_ADVSTART;
+}
+
+DdePoke::DdePoke( DdeConnection& d, const OUString& i, const DdeData& rData,
+                  tools::Long n )
+    : DdeTransaction( d, i, n )
+{
+    aDdeData = rData;
+    nType = XTYP_POKE;
+}
+
+DdeExecute::DdeExecute( DdeConnection& d, const OUString& rData, tools::Long n )
+    : DdeTransaction( d, OUString(), n )
+{
+    aDdeData = DdeData( rData.getStr(), sizeof(sal_Unicode) * (rData.getLength() + 1), SotClipboardFormatId::STRING );
+    nType = XTYP_EXECUTE;
+}
+
+tools::Long DdeConnection::GetError() const
+{
+    return pImp->nStatus;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svdde/ddedata.cxx b/svl/source/svdde/ddedata.cxx
new file mode 100644
index 0000000000..d8e1e15792
--- /dev/null
+++ b/svl/source/svdde/ddedata.cxx
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+// ATTENTION: We assume StarView Clipboard format numbers and Windows
+// Format numbers to be the same! If that's not the case, we need to
+// adapt the code here. The implementation uses the conversions here.
+
+#include <string.h>
+#include "ddeimp.hxx"
+#include <svl/svdde.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+#include <osl/thread.h>
+#include <sot/exchange.hxx>
+
+DdeData::DdeData()
+{
+    xImp.reset(new DdeDataImp);
+    xImp->hData = nullptr;
+    xImp->nData = 0;
+    xImp->pData = nullptr;
+    xImp->nFmt = SotClipboardFormatId::STRING;
+}
+
+DdeData::DdeData(const void* p, tools::Long n, SotClipboardFormatId f)
+{
+    xImp.reset(new DdeDataImp);
+    xImp->hData = nullptr;
+    xImp->pData = p;
+    xImp->nData = n;
+    xImp->nFmt  = f;
+}
+
+DdeData::DdeData( const OUString& s )
+{
+    xImp.reset(new DdeDataImp);
+    xImp->hData = nullptr;
+    xImp->pData = s.getStr();
+    xImp->nData = s.getLength()+1;
+    xImp->nFmt = SotClipboardFormatId::STRING;
+}
+
+DdeData::DdeData(const DdeData& rData)
+{
+    xImp.reset(new DdeDataImp);
+    xImp->hData = rData.xImp->hData;
+    xImp->nData = rData.xImp->nData;
+    xImp->pData = rData.xImp->pData;
+    xImp->nFmt  = rData.xImp->nFmt;
+    Lock();
+}
+
+DdeData::DdeData(DdeData&& rData) noexcept
+    : xImp(std::move(rData.xImp))
+{
+}
+
+DdeData::~DdeData()
+{
+    if (xImp && xImp->hData)
+        DdeUnaccessData(xImp->hData);
+}
+
+void DdeData::Lock()
+{
+    if (xImp->hData)
+        xImp->pData = DdeAccessData(xImp->hData, &xImp->nData);
+}
+
+SotClipboardFormatId DdeData::GetFormat() const
+{
+    return xImp->nFmt;
+}
+
+void DdeData::SetFormat(SotClipboardFormatId nFmt)
+{
+    xImp->nFmt = nFmt;
+}
+
+void const * DdeData::getData() const
+{
+    return xImp->pData;
+}
+
+tools::Long DdeData::getSize() const
+{
+    return xImp->nData;
+}
+
+DdeData& DdeData::operator=(const DdeData& rData)
+{
+    if ( &rData != this )
+    {
+        DdeData tmp(rData);
+        xImp = std::move(tmp.xImp);
+    }
+
+    return *this;
+}
+
+DdeData& DdeData::operator=(DdeData&& rData) noexcept
+{
+    xImp = std::move(rData.xImp);
+    return *this;
+}
+
+sal_uInt32 DdeData::GetExternalFormat(SotClipboardFormatId nFmt)
+{
+    switch( nFmt )
+    {
+    case SotClipboardFormatId::STRING:
+        return CF_TEXT;
+    case SotClipboardFormatId::BITMAP:
+        return CF_BITMAP;
+    case SotClipboardFormatId::GDIMETAFILE:
+        return CF_METAFILEPICT;
+    default:
+        {
+            OUString aName( SotExchange::GetFormatName( nFmt ) );
+            if( !aName.isEmpty() )
+                return RegisterClipboardFormatW( o3tl::toW(aName.getStr()) );
+        }
+    }
+    return static_cast<sal_uInt32>(nFmt);
+}
+
+SotClipboardFormatId DdeData::GetInternalFormat(sal_uLong nFmt)
+{
+    switch( nFmt )
+    {
+    case CF_TEXT:
+        return SotClipboardFormatId::STRING;
+    case CF_BITMAP:
+        return SotClipboardFormatId::BITMAP;
+    case CF_METAFILEPICT:
+        return SotClipboardFormatId::GDIMETAFILE;
+    default:
+        if( nFmt >= CF_MAX )
+        {
+            WCHAR szName[ 256 ];
+
+            if(GetClipboardFormatNameW( nFmt, szName, SAL_N_ELEMENTS(szName) ))
+                return SotExchange::RegisterFormatName( OUString(o3tl::toU(szName)) );
+        }
+        break;
+    }
+    return static_cast<SotClipboardFormatId>(nFmt);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svdde/ddeimp.hxx b/svl/source/svdde/ddeimp.hxx
new file mode 100644
index 0000000000..060711bbf3
--- /dev/null
+++ b/svl/source/svdde/ddeimp.hxx
@@ -0,0 +1,117 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVL_SOURCE_SVDDE_DDEIMP_HXX
+#define INCLUDED_SVL_SOURCE_SVDDE_DDEIMP_HXX
+
+#if !defined WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <ddeml.h>
+
+#include <rtl/ustring.hxx>
+#include <svl/svdde.hxx>
+#include <vector>
+
+
+struct Conversation
+{
+    HCONV       hConv;
+    DdeTopic*   pTopic;
+};
+
+
+class DdeInternal
+{
+public:
+    static HDDEDATA CALLBACK CliCallback
+           ( UINT, UINT, HCONV, HSZ, HSZ, HDDEDATA, ULONG_PTR, ULONG_PTR );
+    static HDDEDATA CALLBACK SvrCallback
+           ( UINT, UINT, HCONV, HSZ, HSZ, HDDEDATA, ULONG_PTR, ULONG_PTR );
+    static DdeService*      FindService( HSZ );
+    static DdeTopic*        FindTopic( DdeService&, HSZ );
+    static DdeItem*         FindItem( DdeTopic&, HSZ );
+    static void DisconnectTopic(DdeTopic &, HCONV);
+    static void IncMonitor(DdeItem *pItem, HCONV);
+    static void DecMonitor(DdeItem *pItem, HCONV);
+};
+
+
+class DdeString
+{
+private:
+    OUString m_aString;
+protected:
+    HSZ         hString;
+    DWORD       hInst;
+
+public:
+                DdeString( DWORD, const OUString& );
+                ~DdeString();
+
+    bool        operator==( HSZ ) const;
+    HSZ getHSZ();
+    const OUString & toOUString() const { return m_aString; }
+};
+
+
+struct DdeDataImp
+{
+    HDDEDATA        hData;
+    void const *    pData;
+    DWORD           nData;
+    SotClipboardFormatId nFmt;
+};
+
+class DdeConnection;
+
+class DdeInstData
+{
+public:
+    sal_uInt16          nRefCount;
+    std::vector<DdeConnection*> aConnections;
+    // Server
+    DWORD           hDdeInstSvr;
+    short           nInstanceSvr;
+    DdeServices*    pServicesSvr;
+    // Client
+    DWORD           hDdeInstCli;
+    short           nInstanceCli;
+
+    DdeInstData()
+        : nRefCount(0)
+        , hDdeInstSvr(0)
+        , nInstanceSvr(0)
+        , pServicesSvr(nullptr)
+        , hDdeInstCli(0)
+        , nInstanceCli(0)
+    {
+    }
+    DdeInstData(const DdeInstData&) = delete;
+    DdeInstData& operator=(const DdeInstData&) = delete;
+};
+
+DdeInstData* ImpGetInstData();
+DdeInstData* ImpInitInstData();
+void ImpDeinitInstData();
+
+#endif // INCLUDED_SVL_SOURCE_SVDDE_DDEIMP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svdde/ddestrg.cxx b/svl/source/svdde/ddestrg.cxx
new file mode 100644
index 0000000000..6ddade45b9
--- /dev/null
+++ b/svl/source/svdde/ddestrg.cxx
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "ddeimp.hxx"
+#include <svl/svdde.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+
+DdeString::DdeString( DWORD hDdeInst, const OUString& r)
+    : m_aString(r), hString(DdeCreateStringHandleW( hDdeInst, o3tl::toW(r.getStr()), CP_WINUNICODE )),
+      hInst(hDdeInst)
+{
+}
+
+DdeString::~DdeString()
+{
+    if ( hString )
+        DdeFreeStringHandle( hInst, hString );
+}
+
+bool DdeString::operator==( HSZ h ) const
+{
+    return( !DdeCmpStringHandles( hString, h ) );
+}
+
+HSZ DdeString::getHSZ()
+{
+    return hString;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svdde/ddesvr.cxx b/svl/source/svdde/ddesvr.cxx
new file mode 100644
index 0000000000..3df8b5a570
--- /dev/null
+++ b/svl/source/svdde/ddesvr.cxx
@@ -0,0 +1,820 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "ddeimp.hxx"
+#include <algorithm>
+#include <memory>
+#include <comphelper/string.hxx>
+#include <rtl/ustring.hxx>
+#include <svl/svdde.hxx>
+#include <osl/thread.h>
+#include <o3tl/sorted_vector.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+#include <officecfg/Office/Common.hxx>
+
+namespace {
+
+enum DdeItemType
+{
+    DDEITEM,
+    DDEGETPUTITEM
+};
+
+}
+
+struct DdeItemImpData
+{
+    HCONV nHCnv;
+    sal_uInt16 nCnt;
+
+    explicit DdeItemImpData( HCONV nH ) : nHCnv( nH ), nCnt( 1 ) {}
+};
+
+HDDEDATA CALLBACK DdeInternal::SvrCallback(
+            UINT nCode, UINT nCbType, HCONV hConv, HSZ hText1, HSZ hText2,
+            HDDEDATA hData, ULONG_PTR, ULONG_PTR )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+
+    switch( nCode )
+    {
+        case XTYP_WILDCONNECT:
+        {
+            std::vector<HSZPAIR> aPairs;
+
+            WCHAR chTopicBuf[256];
+            if( hText1 )
+                DdeQueryStringW( pInst->hDdeInstSvr, hText1, chTopicBuf,
+                                SAL_N_ELEMENTS(chTopicBuf), CP_WINUNICODE );
+
+            for (auto& pService : DdeService::GetServices())
+            {
+                if (hText2 && !(*pService->pName == hText2))
+                    continue;
+
+                OUString sTopics(pService->Topics().replaceAll("\n", "").replaceAll("\r", ""));
+                if (sTopics.isEmpty())
+                    continue;
+
+                for (sal_Int32 n = 0; -1 != n;)
+                {
+                    OUString s(sTopics.getToken(0, '\t', n));
+                    if (hText1 && s != o3tl::toU(chTopicBuf))
+                        continue;
+
+                    DdeString aDStr(pInst->hDdeInstSvr, s);
+                    if (auto pTopic = FindTopic(*pService, aDStr.getHSZ()))
+                    {
+                        auto& pair = aPairs.emplace_back();
+                        pair.hszSvc = pService->pName->getHSZ();
+                        pair.hszTopic = pTopic->pName->getHSZ();
+                    }
+                }
+            }
+
+            if (aPairs.empty())
+                return nullptr;
+            aPairs.emplace_back(); // trailing zero
+
+            HDDEDATA h = DdeCreateDataHandle(
+                            pInst->hDdeInstSvr,
+                            reinterpret_cast<LPBYTE>(aPairs.data()),
+                            sizeof(HSZPAIR) * aPairs.size(),
+                            0, nullptr, nCbType, 0);
+            return h;
+        }
+
+        case XTYP_CONNECT:
+            if (auto pService = FindService(hText2))
+                if (FindTopic(*pService, hText1))
+                    return reinterpret_cast<HDDEDATA>(DDE_FACK);
+            return nullptr;
+
+        case XTYP_CONNECT_CONFIRM:
+            if (auto pService = FindService(hText2))
+            {
+                if (auto pTopic = FindTopic(*pService, hText1))
+                {
+                    auto pC = new Conversation;
+                    pC->hConv = hConv;
+                    pC->pTopic = pTopic;
+                    pService->m_vConv.emplace_back( pC );
+                }
+            }
+            return nullptr;
+    }
+
+    DdeService* pService = nullptr;
+    Conversation* pC = nullptr;
+    for (auto& rpService : DdeService::GetServices())
+    {
+        for ( size_t i = 0, n = rpService->m_vConv.size(); i < n; ++i )
+        {
+            pC = rpService->m_vConv[ i ].get();
+            if ( pC->hConv == hConv )
+                pService = rpService;
+        }
+    }
+
+    if (!pService)
+        return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+    assert(pC);
+
+    if ( nCode == XTYP_DISCONNECT)
+    {
+        DisconnectTopic(*pC->pTopic, hConv);
+        auto it = std::find_if(pService->m_vConv.begin(), pService->m_vConv.end(),
+            [&pC](const std::unique_ptr<Conversation>& rxConv) { return rxConv.get() == pC; });
+        if (it != pService->m_vConv.end())
+            pService->m_vConv.erase( it );
+        return nullptr;
+    }
+
+    bool bExec = nCode == XTYP_EXECUTE;
+    DdeTopic* pTopic = pC->pTopic;
+    DdeItem* pItem;
+    if (pTopic && !bExec && pService->HasCbFormat(nCbType))
+        pItem = FindItem( *pTopic, hText2 );
+    else
+        pItem = nullptr;
+
+    if ( !pItem && !bExec )
+        return static_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+    if ( pItem )
+        pTopic->aItem = pItem->GetName();
+    else
+        pTopic->aItem.clear();
+
+    bool bRes = false;
+    switch( nCode )
+    {
+    case XTYP_REQUEST:
+    case XTYP_ADVREQ:
+        {
+            OUString aRes; // Must be free not until the end!
+            DdeData* pData;
+            if ( pTopic->IsSystemTopic() )
+            {
+                if ( pTopic->aItem == SZDDESYS_ITEM_TOPICS )
+                    aRes = pService->Topics();
+                else if ( pTopic->aItem == SZDDESYS_ITEM_SYSITEMS )
+                    aRes = pService->SysItems();
+                else if ( pTopic->aItem == SZDDESYS_ITEM_STATUS )
+                    aRes = pService->Status();
+                else if ( pTopic->aItem == SZDDESYS_ITEM_FORMATS )
+                    aRes = pService->Formats();
+                else if ( pTopic->aItem == SZDDESYS_ITEM_HELP )
+                    aRes = OUString();
+                else
+                    aRes = OUString();
+
+                if ( !aRes.isEmpty() )
+                    pData = new DdeData( aRes );
+                else
+                    pData = nullptr;
+            }
+            else if( DDEGETPUTITEM == pItem->nType )
+            {
+                pData = static_cast<DdeGetPutItem*>(pItem)->Get( DdeData::GetInternalFormat( nCbType ) );
+            }
+            else
+            {
+                pData = pTopic->Get( DdeData::GetInternalFormat( nCbType ));
+            }
+
+            if ( pData )
+            {
+                return DdeCreateDataHandle( pInst->hDdeInstSvr,
+                                            static_cast<LPBYTE>(const_cast<void *>(pData->xImp->pData)),
+                                            pData->xImp->nData,
+                                            0, hText2,
+                                            DdeData::GetExternalFormat(
+                                                pData->xImp->nFmt ),
+                                            0 );
+            }
+        }
+        break;
+
+    case XTYP_POKE:
+        if ( !pTopic->IsSystemTopic() )
+        {
+            DdeData d;
+            d.xImp->hData = hData;
+            d.xImp->nFmt  = DdeData::GetInternalFormat( nCbType );
+            d.Lock();
+            if( DDEGETPUTITEM == pItem->nType )
+                bRes = static_cast<DdeGetPutItem*>(pItem)->Put( &d );
+            else
+                bRes = pTopic->Put( &d );
+        }
+        if ( bRes )
+            return reinterpret_cast<HDDEDATA>(DDE_FACK);
+        else
+            return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+
+    case XTYP_ADVSTART:
+        {
+            // Is the Item turning into a HotLink for the first time?
+            if( !pItem->pImpData && pTopic->StartAdviseLoop() )
+            {
+                // Then the Item has been exchanged
+                std::vector<DdeItem*>::iterator it(std::find(pTopic->aItems.begin(),
+                                                             pTopic->aItems.end(),
+                                                             pItem));
+                if (it != pTopic->aItems.end())
+                    pTopic->aItems.erase(it);
+
+                std::vector<DdeItem*>::iterator iter;
+                iter = std::find_if(pTopic->aItems.begin(), pTopic->aItems.end(),
+                    [&hText2](const DdeItem* pDdeItem) { return *pDdeItem->pName == hText2; });
+                if (iter != pTopic->aItems.end())
+                {
+                    // It was exchanged indeed
+                    delete pItem;
+                    pItem = nullptr;
+                }
+
+                if( pItem )
+                    // It was not exchange, so back in
+                    pTopic->aItems.push_back(pItem);
+                else
+                    pItem = iter != pTopic->aItems.end() ? *iter : nullptr;
+            }
+
+            if (pItem)
+            {
+                IncMonitor(pItem, hConv);
+            }
+        }
+        return reinterpret_cast<HDDEDATA>(TRUE);
+
+    case XTYP_ADVSTOP:
+        DecMonitor(pItem, hConv);
+        return reinterpret_cast<HDDEDATA>(TRUE);
+
+    case XTYP_EXECUTE:
+        {
+            DdeData aExec;
+            aExec.xImp->hData = hData;
+            aExec.xImp->nFmt  = DdeData::GetInternalFormat( nCbType );
+            aExec.Lock();
+            OUString aName;
+
+            aName = static_cast<const sal_Unicode *>(aExec.xImp->pData);
+
+            if( pTopic->IsSystemTopic() )
+                bRes = false;
+            else
+                bRes = pTopic->Execute( &aName );
+        }
+        if ( bRes )
+            return reinterpret_cast<HDDEDATA>(DDE_FACK);
+        else
+            return reinterpret_cast<HDDEDATA>(DDE_FNOTPROCESSED);
+    }
+
+    return nullptr;
+}
+
+DdeService* DdeInternal::FindService( HSZ hService )
+{
+    DdeServices& rSvc = DdeService::GetServices();
+    auto aI = std::find_if(rSvc.begin(), rSvc.end(),
+        [&hService](const DdeService* s) { return *s->pName == hService; });
+    if (aI != rSvc.end())
+        return *aI;
+
+    return nullptr;
+}
+
+DdeTopic* DdeInternal::FindTopic( DdeService& rService, HSZ hTopic )
+{
+    std::vector<DdeTopic*> &rTopics = rService.aTopics;
+
+    auto iter = std::find_if(rTopics.begin(), rTopics.end(),
+        [&hTopic](const DdeTopic* pTopic) { return *pTopic->pName == hTopic; });
+    if (iter != rTopics.end())
+        return *iter;
+
+    return nullptr;
+}
+
+DdeItem* DdeInternal::FindItem( DdeTopic& rTopic, HSZ hItem )
+{
+    std::vector<DdeItem*>::iterator iter;
+    std::vector<DdeItem*> &rItems = rTopic.aItems;
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    bool bContinue = false;
+
+    do
+    {   // middle check loop
+        iter = std::find_if(rItems.begin(), rItems.end(),
+            [&hItem](const DdeItem* pItem) { return *pItem->pName == hItem; });
+        if (iter != rItems.end())
+            return *iter;
+        bContinue = !bContinue;
+        if( !bContinue )
+            break;
+
+        // Let's query our subclass
+        WCHAR chBuf[250];
+        DdeQueryStringW(pInst->hDdeInstSvr,hItem,chBuf,SAL_N_ELEMENTS(chBuf),CP_WINUNICODE );
+        bContinue = rTopic.MakeItem( OUString(o3tl::toU(chBuf)) );
+        // We need to search again
+    }
+    while( bContinue );
+
+    return nullptr;
+}
+
+DdeService::DdeService( const OUString& rService )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    if( !pInst )
+        pInst = ImpInitInstData();
+    pInst->nRefCount++;
+    pInst->nInstanceSvr++;
+
+    if ( !pInst->hDdeInstSvr )
+    {
+        nStatus = DMLERR_SYS_ERROR;
+        if ( !officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
+        {
+            nStatus = sal::static_int_cast< short >(
+                DdeInitializeW( &pInst->hDdeInstSvr,
+                                DdeInternal::SvrCallback,
+                                APPCLASS_STANDARD |
+                                CBF_SKIP_REGISTRATIONS |
+                                CBF_SKIP_UNREGISTRATIONS, 0 ) );
+        }
+        pInst->pServicesSvr = new DdeServices;
+    }
+    else
+        nStatus = DMLERR_NO_ERROR;
+
+    if ( pInst->pServicesSvr )
+        pInst->pServicesSvr->push_back( this );
+
+    pName = new DdeString( pInst->hDdeInstSvr, rService );
+    if ( nStatus == DMLERR_NO_ERROR )
+    {
+        if ( !DdeNameService( pInst->hDdeInstSvr, pName->getHSZ(), nullptr,
+                              DNS_REGISTER | DNS_FILTEROFF ) )
+        {
+            nStatus = DMLERR_SYS_ERROR;
+        }
+    }
+    AddFormat( SotClipboardFormatId::STRING );
+    pSysTopic = new DdeTopic( SZDDESYS_TOPIC );
+    pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_TOPICS ) );
+    pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_SYSITEMS ) );
+    pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_STATUS ) );
+    pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_FORMATS ) );
+    pSysTopic->AddItem( DdeItem( SZDDESYS_ITEM_HELP ) );
+    AddTopic( *pSysTopic );
+}
+
+DdeService::~DdeService()
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    if ( pInst->pServicesSvr )
+        std::erase(*pInst->pServicesSvr, this);
+
+    delete pSysTopic;
+    delete pName;
+
+    pInst->nInstanceSvr--;
+    pInst->nRefCount--;
+    if ( !pInst->nInstanceSvr && pInst->hDdeInstSvr )
+    {
+        if( DdeUninitialize( pInst->hDdeInstSvr ) )
+        {
+            pInst->hDdeInstSvr = 0;
+            delete pInst->pServicesSvr;
+            pInst->pServicesSvr = nullptr;
+            if( pInst->nRefCount == 0)
+                ImpDeinitInstData();
+        }
+    }
+}
+
+OUString DdeService::GetName() const
+{
+    return pName->toOUString();
+}
+
+DdeServices& DdeService::GetServices()
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    return *(pInst->pServicesSvr);
+}
+
+void DdeService::AddTopic( const DdeTopic& rTopic )
+{
+    RemoveTopic( rTopic );
+    aTopics.push_back(const_cast<DdeTopic *>(&rTopic));
+}
+
+void DdeService::RemoveTopic( const DdeTopic& rTopic )
+{
+    auto iter = std::find_if(aTopics.begin(), aTopics.end(),
+        [&rTopic](const DdeTopic* pTopic) { return DdeCmpStringHandles(pTopic->pName->getHSZ(), rTopic.pName->getHSZ()) == 0; });
+    if (iter != aTopics.end())
+    {
+        aTopics.erase(iter);
+        // Delete all conversions!
+        // Or else we work on deleted topics!
+        for( size_t n = m_vConv.size(); n; )
+        {
+            auto const& pC = m_vConv[ --n ];
+            if( pC->pTopic == &rTopic )
+                m_vConv.erase( m_vConv.begin() + n );
+        }
+    }
+}
+
+bool DdeService::HasCbFormat( sal_uInt32 nFmt )
+{
+    return std::find(aFormats.begin(), aFormats.end(), nFmt) != aFormats.end();
+}
+
+bool DdeService::HasFormat(SotClipboardFormatId nFmt)
+{
+    return HasCbFormat( DdeData::GetExternalFormat( nFmt ));
+}
+
+void DdeService::AddFormat(SotClipboardFormatId nFmt)
+{
+    sal_uInt32 nExternalFmt = DdeData::GetExternalFormat( nFmt );
+    if (HasCbFormat(nExternalFmt))
+        return;
+    aFormats.push_back( nExternalFmt );
+}
+
+void DdeService::RemoveFormat(SotClipboardFormatId nFmt)
+{
+    sal_uInt32 nExternalFmt = DdeData::GetExternalFormat( nFmt );
+    auto it = std::find(aFormats.begin(), aFormats.end(), nExternalFmt);
+    if (it != aFormats.end())
+        aFormats.erase( it );
+}
+
+DdeTopic::DdeTopic( const OUString& rName )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    pName = new DdeString( pInst->hDdeInstSvr, rName );
+}
+
+DdeTopic::~DdeTopic()
+{
+    for (auto& rpItem : aItems)
+    {
+        rpItem->pMyTopic = nullptr;
+        delete rpItem;
+    }
+
+    delete pName;
+}
+
+OUString DdeTopic::GetName() const
+{
+    return pName->toOUString();
+}
+
+bool DdeTopic::IsSystemTopic()
+{
+    return GetName() == SZDDESYS_TOPIC;
+}
+
+DdeItem* DdeTopic::AddItem( const DdeItem& r )
+{
+    DdeItem* s;
+    if( DDEGETPUTITEM == r.nType )
+        s = new DdeGetPutItem( r );
+    else
+        s = new DdeItem( r );
+
+    aItems.push_back( s );
+    s->pMyTopic = this;
+    return s;
+}
+
+void DdeTopic::InsertItem( DdeItem* pNew )
+{
+    if( pNew )
+    {
+        aItems.push_back( pNew );
+        pNew->pMyTopic = this;
+    }
+}
+
+void DdeTopic::RemoveItem( const DdeItem& r )
+{
+    auto iter = std::find_if(aItems.begin(), aItems.end(),
+        [&r](const DdeItem* pItem) { return DdeCmpStringHandles(pItem->pName->getHSZ(), r.pName->getHSZ()) == 0; });
+
+    if ( iter != aItems.end() )
+    {
+        (*iter)->pMyTopic = nullptr;
+        delete *iter;
+        aItems.erase(iter);
+    }
+}
+
+void DdeTopic::NotifyClient( const OUString& rItem )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    auto iter = std::find_if(aItems.begin(), aItems.end(),
+        [&rItem](const DdeItem* pItem) { return pItem->GetName().equals(rItem) && pItem->pImpData; });
+    if (iter != aItems.end())
+        DdePostAdvise( pInst->hDdeInstSvr, pName->getHSZ(), (*iter)->pName->getHSZ() );
+}
+
+void DdeInternal::DisconnectTopic(DdeTopic & rTopic, HCONV nId)
+{
+    for (const auto& rpItem : rTopic.aItems)
+    {
+        DecMonitor(rpItem, nId);
+    }
+}
+
+DdeData* DdeTopic::Get(SotClipboardFormatId /*nFmt*/)
+{
+    return nullptr;
+}
+
+bool DdeTopic::Put( const DdeData* )
+{
+    return false;
+}
+
+bool DdeTopic::Execute( const OUString* )
+{
+    return false;
+}
+
+bool DdeTopic::StartAdviseLoop()
+{
+    return false;
+}
+
+DdeItem::DdeItem( const sal_Unicode* p )
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    pName = new DdeString( pInst->hDdeInstSvr, OUString(p) );
+    nType = DDEITEM;
+    pMyTopic = nullptr;
+    pImpData = nullptr;
+}
+
+DdeItem::DdeItem( const OUString& r)
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    pName = new DdeString( pInst->hDdeInstSvr, r );
+    nType = DDEITEM;
+    pMyTopic = nullptr;
+    pImpData = nullptr;
+}
+
+DdeItem::DdeItem( const DdeItem& r)
+{
+    DdeInstData* pInst = ImpGetInstData();
+    assert(pInst);
+    pName = new DdeString( pInst->hDdeInstSvr, r.pName->toOUString() );
+    nType = DDEITEM;
+    pMyTopic = nullptr;
+    pImpData = nullptr;
+}
+
+DdeItem::~DdeItem()
+{
+    if( pMyTopic )
+        std::erase(pMyTopic->aItems, this);
+    delete pName;
+    delete pImpData;
+}
+
+OUString DdeItem::GetName() const
+{
+    return pName->toOUString();
+}
+
+void DdeItem::NotifyClient()
+{
+    if( pMyTopic && pImpData )
+    {
+        DdeInstData* pInst = ImpGetInstData();
+        assert(pInst);
+        DdePostAdvise( pInst->hDdeInstSvr, pMyTopic->pName->getHSZ(), pName->getHSZ() );
+    }
+}
+
+void DdeInternal::IncMonitor(DdeItem *const pItem, HCONV nHCnv)
+{
+    if (!pItem->pImpData)
+    {
+        pItem->pImpData = new std::vector<DdeItemImpData>;
+        if (DDEGETPUTITEM == pItem->nType)
+        {
+            static_cast<DdeGetPutItem*>(pItem)->AdviseLoop( true );
+        }
+    }
+    else
+    {
+        for (size_t n = pItem->pImpData->size(); n; )
+        {
+            if ((*pItem->pImpData)[ --n ].nHCnv == nHCnv)
+            {
+                ++(*pItem->pImpData)[ n ].nHCnv;
+                return ;
+            }
+        }
+    }
+
+    pItem->pImpData->push_back( DdeItemImpData( nHCnv ) );
+}
+
+void DdeInternal::DecMonitor(DdeItem *const pItem, HCONV nHCnv)
+{
+    if (pItem->pImpData)
+    {
+        for( size_t n = 0; n < pItem->pImpData->size(); ++n )
+        {
+            DdeItemImpData* pData = &(*pItem->pImpData)[n];
+            if( pData->nHCnv == nHCnv )
+            {
+                if( !pData->nCnt || !--pData->nCnt )
+                {
+                    if (1 < pItem->pImpData->size())
+                    {
+                        pItem->pImpData->erase(pItem->pImpData->begin() + n);
+                    }
+                    else
+                    {
+                        delete pItem->pImpData;
+                        pItem->pImpData = nullptr;
+                        if (DDEGETPUTITEM == pItem->nType)
+                        {
+                            static_cast<DdeGetPutItem*>(pItem)->AdviseLoop(false);
+                        }
+                    }
+                }
+                return ;
+            }
+        }
+    }
+}
+
+short DdeItem::GetLinks()
+{
+    short nCnt = 0;
+    if( pImpData )
+    {
+        for (const auto& rData : *pImpData)
+        {
+            nCnt += rData.nCnt;
+        }
+    }
+    return nCnt;
+}
+
+DdeGetPutItem::DdeGetPutItem( const sal_Unicode* p )
+    : DdeItem( p )
+{
+    nType = DDEGETPUTITEM;
+}
+
+DdeGetPutItem::DdeGetPutItem( const OUString& rStr )
+    : DdeItem( rStr )
+{
+    nType = DDEGETPUTITEM;
+}
+
+DdeGetPutItem::DdeGetPutItem( const DdeItem& rItem )
+    : DdeItem( rItem )
+{
+    nType = DDEGETPUTITEM;
+}
+
+DdeData* DdeGetPutItem::Get(SotClipboardFormatId)
+{
+    return nullptr;
+}
+
+bool DdeGetPutItem::Put( const DdeData* )
+{
+    return false;
+}
+
+void DdeGetPutItem::AdviseLoop( bool )
+{
+}
+
+OUString DdeService::SysItems()
+{
+    OUString s;
+    for ( const auto& rpTopic : aTopics )
+    {
+        if ( rpTopic->GetName() == SZDDESYS_TOPIC )
+        {
+            short n = 0;
+            for ( const auto& rpItem : rpTopic->aItems )
+            {
+                if ( n )
+                    s += "\t";
+                s += rpItem->GetName();
+                n++;
+            }
+            s += "\r\n";
+        }
+    }
+
+    return s;
+}
+
+OUString DdeService::Topics()
+{
+    OUString    s;
+    short       n = 0;
+
+    for ( const auto& rpTopic : aTopics )
+    {
+        if ( n )
+            s += "\t";
+        s += rpTopic->GetName();
+        n++;
+    }
+    s += "\r\n";
+
+    return s;
+}
+
+OUString DdeService::Formats()
+{
+    OUString    s;
+    short       n = 0;
+
+    for (size_t i = 0; i < aFormats.size(); ++i, ++n)
+    {
+        sal_uInt32 f = aFormats[ i ];
+        if ( n )
+            s += "\t";
+
+        switch( f )
+        {
+        case CF_TEXT:
+            s += "TEXT";
+            break;
+        case CF_BITMAP:
+            s += "BITMAP";
+            break;
+        default:
+            {
+                WCHAR buf[128];
+                GetClipboardFormatNameW( f, buf, SAL_N_ELEMENTS(buf) );
+                s += o3tl::toU(buf);
+            }
+            break;
+        }
+
+    }
+    s += "\r\n";
+
+    return s;
+}
+
+OUString DdeService::Status()
+{
+    return "Ready\r\n";
+}
+
+bool DdeTopic::MakeItem( const OUString& )
+{
+    return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/svsql/converter.cxx b/svl/source/svsql/converter.cxx
new file mode 100644
index 0000000000..7115cd8bea
--- /dev/null
+++ b/svl/source/svsql/converter.cxx
@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/converter.hxx>
+
+sal_Int32 SvDbaseConverter::ConvertPrecisionToDbase(sal_Int32 _nLen, sal_Int32 _nScale)
+{
+    return _nScale ? _nLen + 2 : _nLen + 1;
+}
+sal_Int32 SvDbaseConverter::ConvertPrecisionToOdbc(sal_Int32 _nLen, sal_Int32 _nScale)
+{
+    return _nScale ? _nLen - 2 : _nLen - 1;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/undo/undo.cxx b/svl/source/undo/undo.cxx
new file mode 100644
index 0000000000..9b90495d59
--- /dev/null
+++ b/svl/source/undo/undo.cxx
@@ -0,0 +1,1391 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svl/undo.hxx>
+
+#include <osl/mutex.hxx>
+#include <sal/log.hxx>
+#include <comphelper/flagguard.hxx>
+#include <comphelper/diagnose_ex.hxx>
+#include <tools/long.hxx>
+#include <libxml/xmlwriter.h>
+#include <boost/property_tree/json_parser.hpp>
+#include <unotools/datetime.hxx>
+
+#include <memory>
+#include <utility>
+#include <vector>
+#include <limits.h>
+#include <algorithm>
+
+
+SfxRepeatTarget::~SfxRepeatTarget()
+{
+}
+
+
+SfxUndoContext::~SfxUndoContext()
+{
+}
+
+
+SfxUndoAction::~SfxUndoAction() COVERITY_NOEXCEPT_FALSE
+{
+}
+
+
+SfxUndoAction::SfxUndoAction()
+    : m_aDateTime(DateTime::SYSTEM)
+{
+    m_aDateTime.ConvertToUTC();
+}
+
+
+bool SfxUndoAction::Merge( SfxUndoAction * )
+{
+    return false;
+}
+
+
+OUString SfxUndoAction::GetComment() const
+{
+    return OUString();
+}
+
+
+ViewShellId SfxUndoAction::GetViewShellId() const
+{
+    return ViewShellId(-1);
+}
+
+const DateTime& SfxUndoAction::GetDateTime() const
+{
+    return m_aDateTime;
+}
+
+OUString SfxUndoAction::GetRepeatComment(SfxRepeatTarget&) const
+{
+    return GetComment();
+}
+
+
+void SfxUndoAction::Undo()
+{
+    // These are only conceptually pure virtual
+    assert(!"pure virtual function called: SfxUndoAction::Undo()");
+}
+
+
+void SfxUndoAction::UndoWithContext( SfxUndoContext& )
+{
+    Undo();
+}
+
+
+void SfxUndoAction::Redo()
+{
+    // These are only conceptually pure virtual
+    assert(!"pure virtual function called: SfxUndoAction::Redo()");
+}
+
+
+void SfxUndoAction::RedoWithContext( SfxUndoContext& )
+{
+    Redo();
+}
+
+
+void SfxUndoAction::Repeat(SfxRepeatTarget&)
+{
+    // These are only conceptually pure virtual
+    assert(!"pure virtual function called: SfxUndoAction::Repeat()");
+}
+
+
+bool SfxUndoAction::CanRepeat(SfxRepeatTarget&) const
+{
+    return true;
+}
+
+void SfxUndoAction::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxUndoAction"));
+    (void)xmlTextWriterWriteFormatAttribute(pWriter, BAD_CAST("ptr"), "%p", this);
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("symbol"), BAD_CAST(typeid(*this).name()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("comment"), BAD_CAST(GetComment().toUtf8().getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("viewShellId"), BAD_CAST(OString::number(static_cast<sal_Int32>(GetViewShellId())).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("dateTime"), BAD_CAST(utl::toISO8601(m_aDateTime.GetUNODateTime()).toUtf8().getStr()));
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+std::unique_ptr<SfxUndoAction> SfxUndoArray::Remove(int idx)
+{
+    auto ret = std::move(maUndoActions[idx].pAction);
+    maUndoActions.erase(maUndoActions.begin() + idx);
+    return ret;
+}
+
+void SfxUndoArray::Remove( size_t i_pos, size_t i_count )
+{
+    maUndoActions.erase(maUndoActions.begin() + i_pos, maUndoActions.begin() + i_pos + i_count);
+}
+
+void SfxUndoArray::Insert( std::unique_ptr<SfxUndoAction> i_action, size_t i_pos )
+{
+    maUndoActions.insert( maUndoActions.begin() + i_pos, MarkedUndoAction(std::move(i_action)) );
+}
+
+typedef ::std::vector< SfxUndoListener* >   UndoListeners;
+
+struct SfxUndoManager_Data
+{
+    ::osl::Mutex    aMutex;
+    SfxUndoArray    maUndoArray;
+    SfxUndoArray*   pActUndoArray;
+
+    sal_Int32       mnMarks;
+    sal_Int32       mnEmptyMark;
+    bool            mbUndoEnabled;
+    bool            mbDoing;
+    bool            mbClearUntilTopLevel;
+    bool            mbEmptyActions;
+
+    UndoListeners   aListeners;
+
+    explicit SfxUndoManager_Data( size_t i_nMaxUndoActionCount )
+        :maUndoArray( i_nMaxUndoActionCount )
+        ,pActUndoArray( nullptr )
+        ,mnMarks( 0 )
+        ,mnEmptyMark(MARK_INVALID)
+        ,mbUndoEnabled( true )
+        ,mbDoing( false )
+        ,mbClearUntilTopLevel( false )
+        ,mbEmptyActions( true )
+    {
+        pActUndoArray = &maUndoArray;
+    }
+
+    // Copy assignment is forbidden and not implemented.
+    SfxUndoManager_Data (const SfxUndoManager_Data &) = delete;
+    SfxUndoManager_Data & operator= (const SfxUndoManager_Data &) = delete;
+};
+
+namespace svl::undo::impl
+{
+    class LockGuard
+    {
+    public:
+        explicit LockGuard( SfxUndoManager& i_manager )
+            :m_manager( i_manager )
+        {
+            m_manager.ImplEnableUndo_Lock( false );
+        }
+
+        ~LockGuard()
+        {
+            m_manager.ImplEnableUndo_Lock( true );
+        }
+
+    private:
+        SfxUndoManager& m_manager;
+    };
+
+    typedef void ( SfxUndoListener::*UndoListenerVoidMethod )();
+    typedef void ( SfxUndoListener::*UndoListenerStringMethod )( const OUString& );
+
+    namespace {
+
+    struct NotifyUndoListener
+    {
+        explicit NotifyUndoListener( UndoListenerVoidMethod i_notificationMethod )
+            :m_notificationMethod( i_notificationMethod )
+            ,m_altNotificationMethod( nullptr )
+        {
+        }
+
+        NotifyUndoListener( UndoListenerStringMethod i_notificationMethod, OUString i_actionComment )
+            :m_notificationMethod( nullptr )
+            ,m_altNotificationMethod( i_notificationMethod )
+            ,m_sActionComment(std::move( i_actionComment ))
+        {
+        }
+
+        bool is() const
+        {
+            return ( m_notificationMethod != nullptr ) || ( m_altNotificationMethod != nullptr );
+        }
+
+        void operator()( SfxUndoListener* i_listener ) const
+        {
+            assert( is() && "NotifyUndoListener: this will crash!" );
+            if ( m_altNotificationMethod != nullptr )
+            {
+                ( i_listener->*m_altNotificationMethod )( m_sActionComment );
+            }
+            else
+            {
+                ( i_listener->*m_notificationMethod )();
+            }
+        }
+
+    private:
+        UndoListenerVoidMethod      m_notificationMethod;
+        UndoListenerStringMethod    m_altNotificationMethod;
+        OUString                    m_sActionComment;
+    };
+
+    }
+
+    class UndoManagerGuard
+    {
+    public:
+        explicit UndoManagerGuard( SfxUndoManager_Data& i_managerData )
+            :m_rManagerData( i_managerData )
+            ,m_aGuard( i_managerData.aMutex )
+        {
+        }
+
+        ~UndoManagerGuard();
+
+        struct ResetGuard {
+            ResetGuard(osl::ResettableMutexGuard& r) : rGuard(r) {}
+            ~ResetGuard() { rGuard.reset(); }
+            osl::ResettableMutexGuard& rGuard;
+        };
+        ResetGuard clear()
+        {
+            m_aGuard.clear();
+            return ResetGuard(m_aGuard);
+        }
+
+        void cancelNotifications()
+        {
+            m_notifiers.clear();
+        }
+
+        /** marks the given Undo action for deletion
+
+            The Undo action will be put into a list, whose members will be deleted from within the destructor of the
+            UndoManagerGuard. This deletion will happen without the UndoManager's mutex locked.
+        */
+        void    markForDeletion( std::unique_ptr<SfxUndoAction> i_action )
+        {
+            // remember
+            assert ( i_action );
+            m_aUndoActionsCleanup.emplace_back( std::move(i_action) );
+        }
+
+        /** schedules the given SfxUndoListener method to be called for all registered listeners.
+
+            The notification will happen after the Undo manager's mutex has been released, and after all pending
+            deletions of Undo actions are done.
+        */
+        void    scheduleNotification( UndoListenerVoidMethod i_notificationMethod )
+        {
+            m_notifiers.emplace_back( i_notificationMethod );
+        }
+
+        void    scheduleNotification( UndoListenerStringMethod i_notificationMethod, const OUString& i_actionComment )
+        {
+            m_notifiers.emplace_back( i_notificationMethod, i_actionComment );
+        }
+
+    private:
+        SfxUndoManager_Data&                m_rManagerData;
+        ::osl::ResettableMutexGuard         m_aGuard;
+        ::std::vector< std::unique_ptr<SfxUndoAction> > m_aUndoActionsCleanup;
+        ::std::vector< NotifyUndoListener > m_notifiers;
+    };
+
+    UndoManagerGuard::~UndoManagerGuard()
+    {
+        // copy members
+        UndoListeners aListenersCopy( m_rManagerData.aListeners );
+
+        // release mutex
+        m_aGuard.clear();
+
+        // delete all actions
+        m_aUndoActionsCleanup.clear();
+
+        // handle scheduled notification
+        for (auto const& notifier : m_notifiers)
+        {
+            if ( notifier.is() )
+                ::std::for_each( aListenersCopy.begin(), aListenersCopy.end(), notifier );
+        }
+    }
+}
+
+using namespace ::svl::undo::impl;
+
+
+SfxUndoManager::SfxUndoManager( size_t nMaxUndoActionCount )
+    :m_xData( new SfxUndoManager_Data( nMaxUndoActionCount ) )
+{
+    m_xData->mbEmptyActions = !ImplIsEmptyActions();
+}
+
+
+SfxUndoManager::~SfxUndoManager()
+{
+}
+
+
+void SfxUndoManager::EnableUndo( bool i_enable )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    ImplEnableUndo_Lock( i_enable );
+
+}
+
+
+void SfxUndoManager::ImplEnableUndo_Lock( bool const i_enable )
+{
+    if ( m_xData->mbUndoEnabled == i_enable )
+        return;
+    m_xData->mbUndoEnabled = i_enable;
+}
+
+
+bool SfxUndoManager::IsUndoEnabled() const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return ImplIsUndoEnabled_Lock();
+}
+
+
+bool SfxUndoManager::ImplIsUndoEnabled_Lock() const
+{
+    return m_xData->mbUndoEnabled;
+}
+
+void SfxUndoManager::SetMaxUndoActionCount( size_t nMaxUndoActionCount )
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    // Remove entries from the pActUndoArray when we have to reduce
+    // the number of entries due to a lower nMaxUndoActionCount.
+    // Both redo and undo action entries will be removed until we reached the
+    // new nMaxUndoActionCount.
+
+    tools::Long nNumToDelete = m_xData->pActUndoArray->maUndoActions.size() - nMaxUndoActionCount;
+    while ( nNumToDelete > 0 )
+    {
+        size_t nPos = m_xData->pActUndoArray->maUndoActions.size();
+        if ( nPos > m_xData->pActUndoArray->nCurUndoAction )
+        {
+            aGuard.markForDeletion( m_xData->pActUndoArray->Remove( nPos-1 ) );
+            --nNumToDelete;
+        }
+
+        if ( nNumToDelete > 0 && m_xData->pActUndoArray->nCurUndoAction > 0 )
+        {
+            aGuard.markForDeletion( m_xData->pActUndoArray->Remove(0) );
+            --m_xData->pActUndoArray->nCurUndoAction;
+            --nNumToDelete;
+        }
+
+        if ( nPos == m_xData->pActUndoArray->maUndoActions.size() )
+            break; // Cannot delete more entries
+    }
+
+    m_xData->pActUndoArray->nMaxUndoActions = nMaxUndoActionCount;
+    ImplCheckEmptyActions();
+}
+
+size_t SfxUndoManager::GetMaxUndoActionCount() const
+{
+    return m_xData->pActUndoArray->nMaxUndoActions;
+}
+
+void SfxUndoManager::ImplClearCurrentLevel_NoNotify( UndoManagerGuard& i_guard )
+{
+    // clear array
+    while ( !m_xData->pActUndoArray->maUndoActions.empty() )
+    {
+        size_t deletePos = m_xData->pActUndoArray->maUndoActions.size() - 1;
+        i_guard.markForDeletion( m_xData->pActUndoArray->Remove( deletePos ) );
+    }
+
+    m_xData->pActUndoArray->nCurUndoAction = 0;
+
+    m_xData->mnMarks = 0;
+    m_xData->mnEmptyMark = MARK_INVALID;
+    ImplCheckEmptyActions();
+}
+
+
+void SfxUndoManager::Clear()
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    SAL_WARN_IF( ImplIsInListAction_Lock(), "svl",
+        "SfxUndoManager::Clear: suspicious call - do you really wish to clear the current level?" );
+    ImplClearCurrentLevel_NoNotify( aGuard );
+
+    // notify listeners
+    aGuard.scheduleNotification( &SfxUndoListener::cleared );
+}
+
+
+void SfxUndoManager::ClearAllLevels()
+{
+    UndoManagerGuard aGuard( *m_xData );
+    ImplClearCurrentLevel_NoNotify( aGuard );
+
+    if ( ImplIsInListAction_Lock() )
+    {
+        m_xData->mbClearUntilTopLevel = true;
+    }
+    else
+    {
+        aGuard.scheduleNotification( &SfxUndoListener::cleared );
+    }
+}
+
+
+void SfxUndoManager::ImplClearRedo_NoLock( bool const i_currentLevel )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    ImplClearRedo( aGuard, i_currentLevel );
+}
+
+
+void SfxUndoManager::ClearRedo()
+{
+    SAL_WARN_IF( IsInListAction(), "svl",
+        "SfxUndoManager::ClearRedo: suspicious call - do you really wish to clear the current level?" );
+    ImplClearRedo_NoLock( CurrentLevel );
+}
+
+
+void SfxUndoManager::Reset()
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    // clear all locks
+    while ( !ImplIsUndoEnabled_Lock() )
+        ImplEnableUndo_Lock( true );
+
+    // cancel all list actions
+    while ( IsInListAction() )
+        ImplLeaveListAction( false, aGuard );
+
+    // clear both stacks
+    ImplClearCurrentLevel_NoNotify( aGuard );
+
+    // cancel the notifications scheduled by ImplLeaveListAction,
+    // as we want to do an own, dedicated notification
+    aGuard.cancelNotifications();
+
+    // schedule notification
+    aGuard.scheduleNotification( &SfxUndoListener::resetAll );
+}
+
+
+void SfxUndoManager::ImplClearUndo( UndoManagerGuard& i_guard )
+{
+    while ( m_xData->pActUndoArray->nCurUndoAction > 0 )
+    {
+        i_guard.markForDeletion( m_xData->pActUndoArray->Remove( 0 ) );
+        --m_xData->pActUndoArray->nCurUndoAction;
+    }
+    ImplCheckEmptyActions();
+    // TODO: notifications? We don't have clearedUndo, only cleared and clearedRedo at the SfxUndoListener
+}
+
+
+void SfxUndoManager::ImplClearRedo( UndoManagerGuard& i_guard, bool const i_currentLevel )
+{
+    SfxUndoArray* pUndoArray = ( i_currentLevel == SfxUndoManager::CurrentLevel ) ? m_xData->pActUndoArray : &m_xData->maUndoArray;
+
+    // clearance
+    while ( pUndoArray->maUndoActions.size() > pUndoArray->nCurUndoAction )
+    {
+        size_t deletePos = pUndoArray->maUndoActions.size() - 1;
+        i_guard.markForDeletion( pUndoArray->Remove( deletePos ) );
+    }
+
+    ImplCheckEmptyActions();
+    // notification - only if the top level's stack was cleared
+    if ( i_currentLevel == SfxUndoManager::TopLevel )
+        i_guard.scheduleNotification( &SfxUndoListener::clearedRedo );
+}
+
+
+bool SfxUndoManager::ImplAddUndoAction_NoNotify( std::unique_ptr<SfxUndoAction> pAction, bool bTryMerge, bool bClearRedo, UndoManagerGuard& i_guard )
+{
+    if ( !ImplIsUndoEnabled_Lock() || ( m_xData->pActUndoArray->nMaxUndoActions == 0 ) )
+    {
+        i_guard.markForDeletion( std::move(pAction) );
+        return false;
+    }
+
+    // merge, if required
+    SfxUndoAction* pMergeWithAction = m_xData->pActUndoArray->nCurUndoAction ?
+        m_xData->pActUndoArray->maUndoActions[m_xData->pActUndoArray->nCurUndoAction-1].pAction.get() : nullptr;
+    if ( bTryMerge && pMergeWithAction )
+    {
+        bool bMerged = pMergeWithAction->Merge( pAction.get() );
+        if ( bMerged )
+        {
+            i_guard.markForDeletion( std::move(pAction) );
+            return false;
+        }
+    }
+
+    // clear redo stack, if requested
+    if ( bClearRedo && ( ImplGetRedoActionCount_Lock() > 0 ) )
+        ImplClearRedo( i_guard, SfxUndoManager::CurrentLevel );
+
+    // respect max number
+    if( m_xData->pActUndoArray == &m_xData->maUndoArray )
+    {
+        while(m_xData->pActUndoArray->maUndoActions.size() >= m_xData->pActUndoArray->nMaxUndoActions)
+        {
+            i_guard.markForDeletion( m_xData->pActUndoArray->Remove(0) );
+            if (m_xData->pActUndoArray->nCurUndoAction > 0)
+            {
+                --m_xData->pActUndoArray->nCurUndoAction;
+            }
+            else
+            {
+                assert(!"CurrentUndoAction going negative (!)");
+            }
+            // fdo#66071 invalidate the current empty mark when removing
+            --m_xData->mnEmptyMark;
+        }
+    }
+
+    // append new action
+    m_xData->pActUndoArray->Insert( std::move(pAction), m_xData->pActUndoArray->nCurUndoAction++ );
+    ImplCheckEmptyActions();
+    return true;
+}
+
+
+void SfxUndoManager::AddUndoAction( std::unique_ptr<SfxUndoAction> pAction, bool bTryMerge )
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    // add
+    auto pActionTmp = pAction.get();
+    if ( ImplAddUndoAction_NoNotify( std::move(pAction), bTryMerge, true, aGuard ) )
+    {
+        // notify listeners
+        aGuard.scheduleNotification( &SfxUndoListener::undoActionAdded, pActionTmp->GetComment() );
+    }
+}
+
+
+size_t SfxUndoManager::GetUndoActionCount( bool const i_currentLevel ) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    const SfxUndoArray* pUndoArray = i_currentLevel ? m_xData->pActUndoArray : &m_xData->maUndoArray;
+    return pUndoArray->nCurUndoAction;
+}
+
+
+OUString SfxUndoManager::GetUndoActionComment( size_t nNo, bool const i_currentLevel ) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    OUString sComment;
+    const SfxUndoArray* pUndoArray = i_currentLevel ? m_xData->pActUndoArray : &m_xData->maUndoArray;
+    assert(nNo < pUndoArray->nCurUndoAction);
+    if( nNo < pUndoArray->nCurUndoAction )
+        sComment = pUndoArray->maUndoActions[ pUndoArray->nCurUndoAction - 1 - nNo ].pAction->GetComment();
+    return sComment;
+}
+
+
+SfxUndoAction* SfxUndoManager::GetUndoAction( size_t nNo ) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    assert(nNo < m_xData->pActUndoArray->nCurUndoAction);
+    if( nNo >= m_xData->pActUndoArray->nCurUndoAction )
+        return nullptr;
+    return m_xData->pActUndoArray->maUndoActions[m_xData->pActUndoArray->nCurUndoAction-1-nNo].pAction.get();
+}
+
+
+/** clears the redo stack and removes the top undo action */
+void SfxUndoManager::RemoveLastUndoAction()
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    ENSURE_OR_RETURN_VOID( m_xData->pActUndoArray->nCurUndoAction, "svl::SfxUndoManager::RemoveLastUndoAction(), no action to remove?!" );
+
+    m_xData->pActUndoArray->nCurUndoAction--;
+
+    // delete redo-actions and top action
+    for ( size_t nPos = m_xData->pActUndoArray->maUndoActions.size(); nPos > m_xData->pActUndoArray->nCurUndoAction; --nPos )
+    {
+        aGuard.markForDeletion( std::move(m_xData->pActUndoArray->maUndoActions[nPos-1].pAction) );
+    }
+
+    m_xData->pActUndoArray->Remove(
+        m_xData->pActUndoArray->nCurUndoAction,
+        m_xData->pActUndoArray->maUndoActions.size() - m_xData->pActUndoArray->nCurUndoAction );
+    ImplCheckEmptyActions();
+}
+
+
+bool SfxUndoManager::IsDoing() const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return m_xData->mbDoing;
+}
+
+
+bool SfxUndoManager::Undo()
+{
+    return ImplUndo( nullptr );
+}
+
+
+bool SfxUndoManager::UndoWithContext( SfxUndoContext& i_context )
+{
+    return ImplUndo( &i_context );
+}
+
+
+bool SfxUndoManager::ImplUndo( SfxUndoContext* i_contextOrNull )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    assert( !IsDoing() && "SfxUndoManager::Undo: *nested* Undo/Redo actions? How this?" );
+
+    ::comphelper::FlagGuard aDoingGuard( m_xData->mbDoing );
+    LockGuard aLockGuard( *this );
+
+    if ( ImplIsInListAction_Lock() )
+    {
+        assert(!"SfxUndoManager::Undo: not possible when within a list action!");
+        return false;
+    }
+
+    if ( m_xData->pActUndoArray->nCurUndoAction == 0 )
+    {
+        SAL_WARN("svl", "SfxUndoManager::Undo: undo stack is empty!" );
+        return false;
+    }
+
+    if (i_contextOrNull && i_contextOrNull->GetUndoOffset() > 0)
+    {
+        size_t nCurrent = m_xData->pActUndoArray->nCurUndoAction;
+        size_t nOffset = i_contextOrNull->GetUndoOffset();
+        if (nCurrent >= nOffset + 1)
+        {
+            // Move the action we want to execute to the top of the undo stack.
+            // data() + nCurrent - nOffset - 1 is the start, data() + nCurrent - nOffset is what we
+            // want to move to the top, maUndoActions.data() + nCurrent is past the end/top of the
+            // undo stack.
+            std::rotate(m_xData->pActUndoArray->maUndoActions.data() + nCurrent - nOffset - 1,
+                        m_xData->pActUndoArray->maUndoActions.data() + nCurrent - nOffset,
+                        m_xData->pActUndoArray->maUndoActions.data() + nCurrent);
+        }
+    }
+
+    SfxUndoAction* pAction = m_xData->pActUndoArray->maUndoActions[ --m_xData->pActUndoArray->nCurUndoAction ].pAction.get();
+    const OUString sActionComment = pAction->GetComment();
+    try
+    {
+        // clear the guard/mutex before calling into the SfxUndoAction - this can be an extension-implemented UNO component
+        // nowadays ...
+        auto aResetGuard(aGuard.clear());
+        if ( i_contextOrNull != nullptr )
+            pAction->UndoWithContext( *i_contextOrNull );
+        else
+            pAction->Undo();
+    }
+    catch( ... )
+    {
+        // in theory, somebody might have tampered with all of *m_xData while the mutex was unlocked. So, see if
+        // we still find pAction in our current Undo array
+        size_t nCurAction = 0;
+        while ( nCurAction < m_xData->pActUndoArray->maUndoActions.size() )
+        {
+            if ( m_xData->pActUndoArray->maUndoActions[ nCurAction++ ].pAction.get() == pAction )
+            {
+                // the Undo action is still there ...
+                // assume the error is a permanent failure, and clear the Undo stack
+                ImplClearUndo( aGuard );
+                throw;
+            }
+        }
+        SAL_WARN("svl", "SfxUndoManager::Undo: can't clear the Undo stack after the failure - some other party was faster ..." );
+        throw;
+    }
+
+    aGuard.scheduleNotification( &SfxUndoListener::actionUndone, sActionComment );
+
+    return true;
+}
+
+
+size_t SfxUndoManager::GetRedoActionCount( bool const i_currentLevel ) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return ImplGetRedoActionCount_Lock( i_currentLevel );
+}
+
+
+size_t SfxUndoManager::ImplGetRedoActionCount_Lock( bool const i_currentLevel ) const
+{
+    const SfxUndoArray* pUndoArray = i_currentLevel ? m_xData->pActUndoArray : &m_xData->maUndoArray;
+    return pUndoArray->maUndoActions.size() - pUndoArray->nCurUndoAction;
+}
+
+
+SfxUndoAction* SfxUndoManager::GetRedoAction(size_t nNo) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    const SfxUndoArray* pUndoArray = m_xData->pActUndoArray;
+    if ( (pUndoArray->nCurUndoAction) > pUndoArray->maUndoActions.size() )
+    {
+        return nullptr;
+    }
+    return pUndoArray->maUndoActions[pUndoArray->nCurUndoAction + nNo].pAction.get();
+}
+
+
+OUString SfxUndoManager::GetRedoActionComment( size_t nNo, bool const i_currentLevel ) const
+{
+    OUString sComment;
+    UndoManagerGuard aGuard( *m_xData );
+    const SfxUndoArray* pUndoArray = i_currentLevel ? m_xData->pActUndoArray : &m_xData->maUndoArray;
+    if ( (pUndoArray->nCurUndoAction + nNo) < pUndoArray->maUndoActions.size() )
+    {
+        sComment = pUndoArray->maUndoActions[ pUndoArray->nCurUndoAction + nNo ].pAction->GetComment();
+    }
+    return sComment;
+}
+
+
+bool SfxUndoManager::Redo()
+{
+    return ImplRedo( nullptr );
+}
+
+
+bool SfxUndoManager::RedoWithContext( SfxUndoContext& i_context )
+{
+    return ImplRedo( &i_context );
+}
+
+
+bool SfxUndoManager::ImplRedo( SfxUndoContext* i_contextOrNull )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    assert( !IsDoing() && "SfxUndoManager::Redo: *nested* Undo/Redo actions? How this?" );
+
+    ::comphelper::FlagGuard aDoingGuard( m_xData->mbDoing );
+    LockGuard aLockGuard( *this );
+
+    if ( ImplIsInListAction_Lock() )
+    {
+        assert(!"SfxUndoManager::Redo: not possible when within a list action!");
+        return false;
+    }
+
+    if ( m_xData->pActUndoArray->nCurUndoAction >= m_xData->pActUndoArray->maUndoActions.size() )
+    {
+        SAL_WARN("svl", "SfxUndoManager::Redo: redo stack is empty!");
+        return false;
+    }
+
+    SfxUndoAction* pAction = m_xData->pActUndoArray->maUndoActions[ m_xData->pActUndoArray->nCurUndoAction++ ].pAction.get();
+    const OUString sActionComment = pAction->GetComment();
+    try
+    {
+        // clear the guard/mutex before calling into the SfxUndoAction - this can be an extension-implemented UNO component
+        // nowadays ...
+        auto aResetGuard(aGuard.clear());
+        if ( i_contextOrNull != nullptr )
+            pAction->RedoWithContext( *i_contextOrNull );
+        else
+            pAction->Redo();
+    }
+    catch( ... )
+    {
+        // in theory, somebody might have tampered with all of *m_xData while the mutex was unlocked. So, see if
+        // we still find pAction in our current Undo array
+        size_t nCurAction = 0;
+        while ( nCurAction < m_xData->pActUndoArray->maUndoActions.size() )
+        {
+            if ( m_xData->pActUndoArray->maUndoActions[ nCurAction ].pAction.get() == pAction )
+            {
+                // the Undo action is still there ...
+                // assume the error is a permanent failure, and clear the Undo stack
+                ImplClearRedo( aGuard, SfxUndoManager::CurrentLevel );
+                throw;
+            }
+            ++nCurAction;
+        }
+        SAL_WARN("svl", "SfxUndoManager::Redo: can't clear the Undo stack after the failure - some other party was faster ..." );
+        throw;
+    }
+
+    ImplCheckEmptyActions();
+    aGuard.scheduleNotification( &SfxUndoListener::actionRedone, sActionComment );
+
+    return true;
+}
+
+
+size_t SfxUndoManager::GetRepeatActionCount() const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return m_xData->pActUndoArray->maUndoActions.size();
+}
+
+
+OUString SfxUndoManager::GetRepeatActionComment(SfxRepeatTarget &rTarget) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return m_xData->pActUndoArray->maUndoActions[ m_xData->pActUndoArray->maUndoActions.size() - 1 ].pAction
+        ->GetRepeatComment(rTarget);
+}
+
+
+bool SfxUndoManager::Repeat( SfxRepeatTarget &rTarget )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    if ( !m_xData->pActUndoArray->maUndoActions.empty() )
+    {
+        SfxUndoAction* pAction = m_xData->pActUndoArray->maUndoActions.back().pAction.get();
+        auto aResetGuard(aGuard.clear());
+        if ( pAction->CanRepeat( rTarget ) )
+            pAction->Repeat( rTarget );
+        return true;
+    }
+
+    return false;
+}
+
+
+bool SfxUndoManager::CanRepeat( SfxRepeatTarget &rTarget ) const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    if ( !m_xData->pActUndoArray->maUndoActions.empty() )
+    {
+        size_t nActionNo = m_xData->pActUndoArray->maUndoActions.size() - 1;
+        return m_xData->pActUndoArray->maUndoActions[nActionNo].pAction->CanRepeat(rTarget);
+    }
+    return false;
+}
+
+
+void SfxUndoManager::AddUndoListener( SfxUndoListener& i_listener )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    m_xData->aListeners.push_back( &i_listener );
+}
+
+
+void SfxUndoManager::RemoveUndoListener( SfxUndoListener& i_listener )
+{
+    UndoManagerGuard aGuard( *m_xData );
+    auto lookup = std::find(m_xData->aListeners.begin(), m_xData->aListeners.end(), &i_listener);
+    if (lookup != m_xData->aListeners.end())
+        m_xData->aListeners.erase( lookup );
+}
+
+/**
+ * Inserts a ListUndoAction and sets its UndoArray as current.
+ */
+void SfxUndoManager::EnterListAction( const OUString& rComment,
+                                      const OUString &rRepeatComment, sal_uInt16 nId,
+                                      ViewShellId nViewShellId )
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    if( !ImplIsUndoEnabled_Lock() )
+        return;
+
+    if ( !m_xData->maUndoArray.nMaxUndoActions )
+        return;
+
+    SfxListUndoAction* pAction = new SfxListUndoAction( rComment, rRepeatComment, nId, nViewShellId, m_xData->pActUndoArray );
+    OSL_VERIFY( ImplAddUndoAction_NoNotify( std::unique_ptr<SfxUndoAction>(pAction), false, false, aGuard ) );
+    // expected to succeed: all conditions under which it could fail should have been checked already
+    m_xData->pActUndoArray = pAction;
+
+    // notification
+    aGuard.scheduleNotification( &SfxUndoListener::listActionEntered, rComment );
+}
+
+
+bool SfxUndoManager::IsInListAction() const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return ImplIsInListAction_Lock();
+}
+
+
+bool SfxUndoManager::ImplIsInListAction_Lock() const
+{
+    return m_xData->pActUndoArray != &m_xData->maUndoArray;
+}
+
+
+size_t SfxUndoManager::GetListActionDepth() const
+{
+    UndoManagerGuard aGuard( *m_xData );
+    size_t nDepth(0);
+
+    SfxUndoArray* pLookup( m_xData->pActUndoArray );
+    while ( pLookup != &m_xData->maUndoArray )
+    {
+        pLookup = pLookup->pFatherUndoArray;
+        ++nDepth;
+    }
+
+    return nDepth;
+}
+
+
+size_t SfxUndoManager::LeaveListAction()
+{
+    UndoManagerGuard aGuard( *m_xData );
+    size_t nCount = ImplLeaveListAction( false, aGuard );
+
+    if ( m_xData->mbClearUntilTopLevel )
+    {
+        ImplClearCurrentLevel_NoNotify( aGuard );
+        if ( !ImplIsInListAction_Lock() )
+        {
+            m_xData->mbClearUntilTopLevel = false;
+            aGuard.scheduleNotification( &SfxUndoListener::cleared );
+        }
+        nCount = 0;
+    }
+
+    return nCount;
+}
+
+
+size_t SfxUndoManager::LeaveAndMergeListAction()
+{
+    UndoManagerGuard aGuard( *m_xData );
+    return ImplLeaveListAction( true, aGuard );
+}
+
+
+size_t SfxUndoManager::ImplLeaveListAction( const bool i_merge, UndoManagerGuard& i_guard )
+{
+    if ( !ImplIsUndoEnabled_Lock() )
+        return 0;
+
+    if ( !m_xData->maUndoArray.nMaxUndoActions )
+        return 0;
+
+    if( !ImplIsInListAction_Lock() )
+    {
+        SAL_WARN("svl", "svl::SfxUndoManager::ImplLeaveListAction, called without calling EnterListAction()!" );
+        return 0;
+    }
+
+    assert(m_xData->pActUndoArray->pFatherUndoArray);
+
+    // the array/level which we're about to leave
+    SfxUndoArray* pArrayToLeave = m_xData->pActUndoArray;
+    // one step up
+    m_xData->pActUndoArray = m_xData->pActUndoArray->pFatherUndoArray;
+
+    // If no undo actions were added to the list, delete the list action
+    const size_t nListActionElements = pArrayToLeave->nCurUndoAction;
+    if ( nListActionElements == 0 )
+    {
+        i_guard.markForDeletion( m_xData->pActUndoArray->Remove( --m_xData->pActUndoArray->nCurUndoAction ) );
+        i_guard.scheduleNotification( &SfxUndoListener::listActionCancelled );
+        return 0;
+    }
+
+    // now that it is finally clear the list action is non-trivial, and does participate in the Undo stack, clear
+    // the redo stack
+    ImplClearRedo( i_guard, SfxUndoManager::CurrentLevel );
+
+    SfxUndoAction* pCurrentAction= m_xData->pActUndoArray->maUndoActions[ m_xData->pActUndoArray->nCurUndoAction-1 ].pAction.get();
+    SfxListUndoAction* pListAction = dynamic_cast< SfxListUndoAction * >( pCurrentAction );
+    ENSURE_OR_RETURN( pListAction, "SfxUndoManager::ImplLeaveListAction: list action expected at this position!", nListActionElements );
+
+    if ( i_merge )
+    {
+        // merge the list action with its predecessor on the same level
+        SAL_WARN_IF( m_xData->pActUndoArray->nCurUndoAction <= 1, "svl",
+            "SfxUndoManager::ImplLeaveListAction: cannot merge the list action if there's no other action on the same level - check this beforehand!" );
+        if ( m_xData->pActUndoArray->nCurUndoAction > 1 )
+        {
+            std::unique_ptr<SfxUndoAction> pPreviousAction = m_xData->pActUndoArray->Remove( m_xData->pActUndoArray->nCurUndoAction - 2 );
+            --m_xData->pActUndoArray->nCurUndoAction;
+            pListAction->SetComment( pPreviousAction->GetComment() );
+            pListAction->Insert( std::move(pPreviousAction), 0 );
+            ++pListAction->nCurUndoAction;
+        }
+    }
+
+    // if the undo array has no comment, try to get it from its children
+    if ( pListAction->GetComment().isEmpty() )
+    {
+        for( size_t n = 0; n < pListAction->maUndoActions.size(); n++ )
+        {
+            if (!pListAction->maUndoActions[n].pAction->GetComment().isEmpty())
+            {
+                pListAction->SetComment( pListAction->maUndoActions[n].pAction->GetComment() );
+                break;
+            }
+        }
+    }
+
+    ImplIsEmptyActions();
+    // notify listeners
+    i_guard.scheduleNotification( &SfxUndoListener::listActionLeft, pListAction->GetComment() );
+
+    // outta here
+    return nListActionElements;
+}
+
+UndoStackMark SfxUndoManager::MarkTopUndoAction()
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    SAL_WARN_IF( IsInListAction(), "svl",
+            "SfxUndoManager::MarkTopUndoAction(): suspicious call!" );
+    assert((m_xData->mnMarks + 1) < (m_xData->mnEmptyMark - 1) &&
+            "SfxUndoManager::MarkTopUndoAction(): mark overflow!");
+
+    size_t const nActionPos = m_xData->maUndoArray.nCurUndoAction;
+    if (0 == nActionPos)
+    {
+        --m_xData->mnEmptyMark;
+        return m_xData->mnEmptyMark;
+    }
+
+    m_xData->maUndoArray.maUndoActions[ nActionPos-1 ].aMarks.push_back(
+            ++m_xData->mnMarks );
+    return m_xData->mnMarks;
+}
+
+void SfxUndoManager::RemoveMark( UndoStackMark const i_mark )
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    if ((m_xData->mnEmptyMark < i_mark) || (MARK_INVALID == i_mark))
+    {
+        return; // nothing to remove
+    }
+    else if (i_mark == m_xData->mnEmptyMark)
+    {
+        --m_xData->mnEmptyMark; // never returned from MarkTop => invalid
+        return;
+    }
+
+    for ( size_t i=0; i<m_xData->maUndoArray.maUndoActions.size(); ++i )
+    {
+        MarkedUndoAction& rAction = m_xData->maUndoArray.maUndoActions[i];
+        auto markPos = std::find(rAction.aMarks.begin(), rAction.aMarks.end(), i_mark);
+        if (markPos != rAction.aMarks.end())
+        {
+            rAction.aMarks.erase( markPos );
+            return;
+        }
+    }
+    SAL_WARN("svl", "SfxUndoManager::RemoveMark: mark not found!");
+        // TODO: this might be too offensive. There are situations where we implicitly remove marks
+        // without our clients, in particular the client which created the mark, having a chance to know
+        // about this.
+}
+
+bool SfxUndoManager::HasTopUndoActionMark( UndoStackMark const i_mark )
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    size_t nActionPos = m_xData->maUndoArray.nCurUndoAction;
+    if ( nActionPos == 0 )
+    {
+        return (i_mark == m_xData->mnEmptyMark);
+    }
+
+    const MarkedUndoAction& rAction =
+            m_xData->maUndoArray.maUndoActions[ nActionPos-1 ];
+
+    return std::find(rAction.aMarks.begin(), rAction.aMarks.end(), i_mark) != rAction.aMarks.end();
+}
+
+
+void SfxUndoManager::RemoveOldestUndoAction()
+{
+    UndoManagerGuard aGuard( *m_xData );
+
+    if ( IsInListAction() && ( m_xData->maUndoArray.nCurUndoAction == 1 ) )
+    {
+        assert(!"SfxUndoManager::RemoveOldestUndoActions: cannot remove a not-yet-closed list action!");
+        return;
+    }
+
+    aGuard.markForDeletion( m_xData->maUndoArray.Remove( 0 ) );
+    --m_xData->maUndoArray.nCurUndoAction;
+    ImplCheckEmptyActions();
+}
+
+void SfxUndoManager::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    UndoManagerGuard aGuard(*m_xData);
+
+    bool bOwns = false;
+    if (!pWriter)
+    {
+        pWriter = xmlNewTextWriterFilename("undo.xml", 0);
+        xmlTextWriterSetIndent(pWriter,1);
+        (void)xmlTextWriterSetIndentString(pWriter, BAD_CAST("  "));
+        (void)xmlTextWriterStartDocument(pWriter, nullptr, nullptr, nullptr);
+        bOwns = true;
+    }
+
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxUndoManager"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nUndoActionCount"), BAD_CAST(OString::number(GetUndoActionCount()).getStr()));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("nRedoActionCount"), BAD_CAST(OString::number(GetRedoActionCount()).getStr()));
+
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("undoActions"));
+    for (size_t i = 0; i < GetUndoActionCount(); ++i)
+    {
+        const SfxUndoArray* pUndoArray = m_xData->pActUndoArray;
+        pUndoArray->maUndoActions[pUndoArray->nCurUndoAction - 1 - i].pAction->dumpAsXml(pWriter);
+    }
+    (void)xmlTextWriterEndElement(pWriter);
+
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("redoActions"));
+    for (size_t i = 0; i < GetRedoActionCount(); ++i)
+    {
+        const SfxUndoArray* pUndoArray = m_xData->pActUndoArray;
+        pUndoArray->maUndoActions[pUndoArray->nCurUndoAction + i].pAction->dumpAsXml(pWriter);
+    }
+    (void)xmlTextWriterEndElement(pWriter);
+
+    (void)xmlTextWriterEndElement(pWriter);
+    if (bOwns)
+    {
+        (void)xmlTextWriterEndDocument(pWriter);
+        xmlFreeTextWriter(pWriter);
+    }
+}
+
+/// Returns a JSON representation of pAction.
+static boost::property_tree::ptree lcl_ActionToJson(size_t nIndex, SfxUndoAction const * pAction)
+{
+    boost::property_tree::ptree aRet;
+    aRet.put("index", nIndex);
+    aRet.put("comment", pAction->GetComment().toUtf8().getStr());
+    aRet.put("viewId", static_cast<sal_Int32>(pAction->GetViewShellId()));
+    aRet.put("dateTime", utl::toISO8601(pAction->GetDateTime().GetUNODateTime()).toUtf8().getStr());
+    return aRet;
+}
+
+OUString SfxUndoManager::GetUndoActionsInfo() const
+{
+    boost::property_tree::ptree aActions;
+    const SfxUndoArray* pUndoArray = m_xData->pActUndoArray;
+    for (size_t i = 0; i < GetUndoActionCount(); ++i)
+    {
+        boost::property_tree::ptree aAction = lcl_ActionToJson(i, pUndoArray->maUndoActions[pUndoArray->nCurUndoAction - 1 - i].pAction.get());
+        aActions.push_back(std::make_pair("", aAction));
+    }
+
+    boost::property_tree::ptree aTree;
+    aTree.add_child("actions", aActions);
+    std::stringstream aStream;
+    boost::property_tree::write_json(aStream, aTree);
+    return OUString::fromUtf8(aStream.str());
+}
+
+OUString SfxUndoManager::GetRedoActionsInfo() const
+{
+    boost::property_tree::ptree aActions;
+    const SfxUndoArray* pUndoArray = m_xData->pActUndoArray;
+    size_t nCount = GetRedoActionCount();
+    for (size_t i = 0; i < nCount; ++i)
+    {
+        size_t nIndex = nCount - i - 1;
+        boost::property_tree::ptree aAction = lcl_ActionToJson(nIndex, pUndoArray->maUndoActions[pUndoArray->nCurUndoAction + nIndex].pAction.get());
+        aActions.push_back(std::make_pair("", aAction));
+    }
+
+    boost::property_tree::ptree aTree;
+    aTree.add_child("actions", aActions);
+    std::stringstream aStream;
+    boost::property_tree::write_json(aStream, aTree);
+    return OUString::fromUtf8(aStream.str());
+}
+
+bool SfxUndoManager::IsEmptyActions() const
+{
+    UndoManagerGuard aGuard(*m_xData);
+
+    return ImplIsEmptyActions();
+}
+
+inline bool SfxUndoManager::ImplIsEmptyActions() const
+{
+    return m_xData->maUndoArray.nCurUndoAction || m_xData->maUndoArray.maUndoActions.size() - m_xData->maUndoArray.nCurUndoAction;
+}
+
+void SfxUndoManager::ImplCheckEmptyActions()
+{
+    bool bEmptyActions = ImplIsEmptyActions();
+    if (m_xData->mbEmptyActions != bEmptyActions)
+    {
+        m_xData->mbEmptyActions = bEmptyActions;
+        EmptyActionsChanged();
+    }
+}
+
+void SfxUndoManager::EmptyActionsChanged()
+{
+
+}
+
+struct SfxListUndoAction::Impl
+{
+    sal_uInt16 mnId;
+    ViewShellId mnViewShellId;
+
+    OUString maComment;
+    OUString maRepeatComment;
+
+    Impl( sal_uInt16 nId, ViewShellId nViewShellId, OUString aComment, OUString aRepeatComment ) :
+        mnId(nId), mnViewShellId(nViewShellId), maComment(std::move(aComment)), maRepeatComment(std::move(aRepeatComment)) {}
+};
+
+sal_uInt16 SfxListUndoAction::GetId() const
+{
+    return mpImpl->mnId;
+}
+
+OUString SfxListUndoAction::GetComment() const
+{
+    return mpImpl->maComment;
+}
+
+ViewShellId SfxListUndoAction::GetViewShellId() const
+{
+    return mpImpl->mnViewShellId;
+}
+
+void SfxListUndoAction::SetComment(const OUString& rComment)
+{
+    mpImpl->maComment = rComment;
+}
+
+OUString SfxListUndoAction::GetRepeatComment(SfxRepeatTarget &) const
+{
+    return mpImpl->maRepeatComment;
+}
+
+SfxListUndoAction::SfxListUndoAction(
+    const OUString &rComment,
+    const OUString &rRepeatComment,
+    sal_uInt16 nId,
+    ViewShellId nViewShellId,
+    SfxUndoArray *pFather ) :
+    mpImpl(new Impl(nId, nViewShellId, rComment, rRepeatComment))
+{
+    pFatherUndoArray = pFather;
+    nMaxUndoActions = USHRT_MAX;
+}
+
+SfxListUndoAction::~SfxListUndoAction()
+{
+}
+
+void SfxListUndoAction::Undo()
+{
+    for(size_t i=nCurUndoAction;i>0;)
+        maUndoActions[--i].pAction->Undo();
+    nCurUndoAction=0;
+}
+
+
+void SfxListUndoAction::UndoWithContext( SfxUndoContext& i_context )
+{
+    for(size_t i=nCurUndoAction;i>0;)
+        maUndoActions[--i].pAction->UndoWithContext( i_context );
+    nCurUndoAction=0;
+}
+
+
+void SfxListUndoAction::Redo()
+{
+    for(size_t i=nCurUndoAction;i<maUndoActions.size();i++)
+        maUndoActions[i].pAction->Redo();
+    nCurUndoAction = maUndoActions.size();
+}
+
+
+void SfxListUndoAction::RedoWithContext( SfxUndoContext& i_context )
+{
+    for(size_t i=nCurUndoAction;i<maUndoActions.size();i++)
+        maUndoActions[i].pAction->RedoWithContext( i_context );
+    nCurUndoAction = maUndoActions.size();
+}
+
+
+void SfxListUndoAction::Repeat(SfxRepeatTarget&rTarget)
+{
+    for(size_t i=0;i<nCurUndoAction;i++)
+        maUndoActions[i].pAction->Repeat(rTarget);
+}
+
+
+bool SfxListUndoAction::CanRepeat(SfxRepeatTarget&r)  const
+{
+    for(size_t i=0;i<nCurUndoAction;i++)
+    {
+        if(!maUndoActions[i].pAction->CanRepeat(r))
+            return false;
+    }
+    return true;
+}
+
+
+bool SfxListUndoAction::Merge( SfxUndoAction *pNextAction )
+{
+    return !maUndoActions.empty() && maUndoActions[maUndoActions.size()-1].pAction->Merge( pNextAction );
+}
+
+void SfxListUndoAction::dumpAsXml(xmlTextWriterPtr pWriter) const
+{
+    (void)xmlTextWriterStartElement(pWriter, BAD_CAST("SfxListUndoAction"));
+    (void)xmlTextWriterWriteAttribute(pWriter, BAD_CAST("size"), BAD_CAST(OString::number(maUndoActions.size()).getStr()));
+    SfxUndoAction::dumpAsXml(pWriter);
+
+    for (size_t i = 0; i < maUndoActions.size(); ++i)
+        maUndoActions[i].pAction->dumpAsXml(pWriter);
+
+    (void)xmlTextWriterEndElement(pWriter);
+}
+
+SfxUndoArray::~SfxUndoArray()
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svl/source/uno/pathservice.cxx b/svl/source/uno/pathservice.cxx
new file mode 100644
index 0000000000..b1d109894b
--- /dev/null
+++ b/svl/source/uno/pathservice.cxx
@@ -0,0 +1,88 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <unotools/pathoptions.hxx>
+#include <sal/types.h>
+#include <rtl/ustring.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <com/sun/star/frame/XConfigManager.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+
+namespace com::sun::star::uno {
+    class XComponentContext;
+}
+
+namespace {
+
+class PathService : public ::cppu::WeakImplHelper< css::frame::XConfigManager, css::lang::XServiceInfo >
+{
+    SvtPathOptions m_aOptions;
+
+public:
+    PathService()
+        {}
+
+    virtual OUString SAL_CALL getImplementationName() override
+        {
+            return "com.sun.star.comp.svl.PathService";
+        }
+
+    virtual sal_Bool SAL_CALL supportsService (
+        const OUString & rName) override
+        {
+            return cppu::supportsService(this, rName);
+        }
+
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override
+        {
+            css::uno::Sequence< OUString > aRet { "com.sun.star.config.SpecialConfigManager" };
+            return aRet;
+        }
+
+    virtual OUString SAL_CALL substituteVariables (
+        const OUString& sText) override
+        {
+            return m_aOptions.SubstituteVariable( sText );
+        }
+
+    virtual void SAL_CALL addPropertyChangeListener (
+        const OUString &, const css::uno::Reference< css::beans::XPropertyChangeListener > &) override
+        {}
+
+    virtual void SAL_CALL removePropertyChangeListener (
+        const OUString &, const css::uno::Reference< css::beans::XPropertyChangeListener > &) override
+        {}
+
+    virtual void SAL_CALL flush() override
+        {}
+};
+
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_svl_PathService_get_implementation(css::uno::XComponentContext*,
+                                                     css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new PathService());
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */