Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 1826 insertions, 0 deletions

diff --git a/unotools/source/i18n/localedatawrapper.cxx b/unotools/source/i18n/localedatawrapper.cxx
new file mode 100644
index 000000000..f9ade4996
--- /dev/null
+++ b/unotools/source/i18n/localedatawrapper.cxx
@@ -0,0 +1,1826 @@
+/* -*- 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 <stdio.h>
+#include <string>
+
+#include <sal/log.hxx>
+#include <unotools/localedatawrapper.hxx>
+#include <unotools/calendarwrapper.hxx>
+#include <unotools/digitgroupingiterator.hxx>
+#include <tools/diagnose_ex.h>
+#include <tools/debug.hxx>
+#include <i18nlangtag/languagetag.hxx>
+
+#include <com/sun/star/i18n/KNumberFormatUsage.hpp>
+#include <com/sun/star/i18n/KNumberFormatType.hpp>
+#include <com/sun/star/i18n/LocaleData2.hpp>
+#include <com/sun/star/i18n/CalendarFieldIndex.hpp>
+#include <com/sun/star/i18n/CalendarDisplayIndex.hpp>
+#include <com/sun/star/i18n/NumberFormatIndex.hpp>
+#include <com/sun/star/i18n/NumberFormatMapper.hpp>
+
+#include <comphelper/processfactory.hxx>
+#include <rtl/instance.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/math.hxx>
+
+static const sal_uInt16 nCurrFormatInvalid = 0xffff;
+static const sal_uInt16 nCurrFormatDefault = 0;
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::i18n;
+using namespace ::com::sun::star::uno;
+
+namespace
+{
+    struct InstalledLocales
+        : public rtl::Static<
+            uno::Sequence< lang::Locale >, InstalledLocales >
+    {};
+
+    struct InstalledLanguageTypes
+        : public rtl::Static<
+            std::vector< LanguageType >, InstalledLanguageTypes >
+    {};
+}
+
+bool LocaleDataWrapper::Locale_Compare::operator()(const css::lang::Locale& rLocale1, const css::lang::Locale& rLocale2) const
+{
+    if (rLocale1.Language < rLocale2.Language)
+        return true;
+    else if (rLocale1.Language > rLocale2.Language)
+        return false;
+
+    if (rLocale1.Country < rLocale2.Country)
+        return true;
+    else if (rLocale1.Country > rLocale2.Country)
+        return false;
+
+    return rLocale1.Variant < rLocale2.Variant;
+}
+
+sal_uInt8 LocaleDataWrapper::nLocaleDataChecking = 0;
+
+LocaleDataWrapper::LocaleDataWrapper(
+            const Reference< uno::XComponentContext > & rxContext,
+            const LanguageTag& rLanguageTag
+            )
+        :
+        m_xContext( rxContext ),
+        xLD( LocaleData2::create(rxContext) ),
+        maLanguageTag( rLanguageTag ),
+        bLocaleDataItemValid( false ),
+        bReservedWordValid( false ),
+        bSecondaryCalendarValid( false )
+{
+    invalidateData();
+}
+
+LocaleDataWrapper::LocaleDataWrapper(
+            const LanguageTag& rLanguageTag
+            )
+        :
+        m_xContext( comphelper::getProcessComponentContext() ),
+        xLD( LocaleData2::create(m_xContext) ),
+        maLanguageTag( rLanguageTag ),
+        bLocaleDataItemValid( false ),
+        bReservedWordValid( false ),
+        bSecondaryCalendarValid( false )
+{
+    invalidateData();
+}
+
+LocaleDataWrapper::~LocaleDataWrapper()
+{
+}
+
+void LocaleDataWrapper::setLanguageTag( const LanguageTag& rLanguageTag )
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::CriticalChange );
+    maLanguageTag = rLanguageTag;
+    invalidateData();
+}
+
+const LanguageTag& LocaleDataWrapper::getLanguageTag() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    return maLanguageTag;
+}
+
+const css::lang::Locale& LocaleDataWrapper::getMyLocale() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    return maLanguageTag.getLocale();
+}
+
+void LocaleDataWrapper::invalidateData()
+{
+    aCurrSymbol.clear();
+    aCurrBankSymbol.clear();
+    nDateOrder = nLongDateOrder = DateOrder::Invalid;
+    nCurrPositiveFormat = nCurrNegativeFormat = nCurrDigits = nCurrFormatInvalid;
+    if ( bLocaleDataItemValid )
+    {
+        for (OUString & j : aLocaleItem)
+            j.clear();
+        bLocaleDataItemValid = false;
+    }
+    if ( bReservedWordValid )
+    {
+        for (OUString & j : aReservedWord)
+            j.clear();
+        bReservedWordValid = false;
+    }
+    xDefaultCalendar.reset();
+    xSecondaryCalendar.reset();
+    bSecondaryCalendarValid = false;
+    if (aGrouping.hasElements())
+        aGrouping[0] = 0;
+    if (aDateAcceptancePatterns.hasElements())
+        aDateAcceptancePatterns = Sequence<OUString>();
+}
+
+/* FIXME-BCP47: locale data should provide a language tag instead that could be
+ * passed on. */
+css::i18n::LanguageCountryInfo LocaleDataWrapper::getLanguageCountryInfo() const
+{
+    try
+    {
+        return xLD->getLanguageCountryInfo( getMyLocale() );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getLanguageCountryInfo" );
+    }
+    return css::i18n::LanguageCountryInfo();
+}
+
+const css::i18n::LocaleDataItem2& LocaleDataWrapper::getLocaleItem() const
+{
+    {
+        ::utl::ReadWriteGuard aGuard( aMutex );
+        const css::lang::Locale& rLocal = getMyLocale();
+        auto itr = maDataItemCache.find(rLocal);
+        if (itr != maDataItemCache.end())
+            return itr->second;
+    }
+
+    try
+    {
+        ::utl::ReadWriteGuard aGuard( aMutex );
+
+        const css::lang::Locale& rLocal = getMyLocale();
+        css::i18n::LocaleDataItem2 aItem = xLD->getLocaleItem2( rLocal );
+        auto aRet = maDataItemCache.insert(std::make_pair(rLocal, aItem));
+        assert(aRet.second);
+        return aRet.first->second;
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getLocaleItem" );
+    }
+    static css::i18n::LocaleDataItem2 aEmptyItem;
+    return aEmptyItem;
+}
+
+css::uno::Sequence< css::i18n::Currency2 > LocaleDataWrapper::getAllCurrencies() const
+{
+    try
+    {
+        return xLD->getAllCurrencies2( getMyLocale() );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getAllCurrencies" );
+    }
+    return css::uno::Sequence< css::i18n::Currency2 >(0);
+}
+
+css::uno::Sequence< css::i18n::FormatElement > LocaleDataWrapper::getAllFormats() const
+{
+    try
+    {
+        return xLD->getAllFormats( getMyLocale() );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getAllFormats" );
+    }
+    return css::uno::Sequence< css::i18n::FormatElement >(0);
+}
+
+css::i18n::ForbiddenCharacters LocaleDataWrapper::getForbiddenCharacters() const
+{
+    try
+    {
+        return xLD->getForbiddenCharacters( getMyLocale() );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getForbiddenCharacters" );
+    }
+    return css::i18n::ForbiddenCharacters();
+}
+
+css::uno::Sequence< OUString > LocaleDataWrapper::getReservedWord() const
+{
+    try
+    {
+        return xLD->getReservedWord( getMyLocale() );
+    }
+    catch ( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getReservedWord" );
+    }
+    return css::uno::Sequence< OUString >(0);
+}
+
+css::uno::Sequence< css::lang::Locale > LocaleDataWrapper::getAllInstalledLocaleNames() const
+{
+    uno::Sequence< lang::Locale > &rInstalledLocales = InstalledLocales::get();
+
+    if ( rInstalledLocales.hasElements() )
+        return rInstalledLocales;
+
+    try
+    {
+        rInstalledLocales = xLD->getAllInstalledLocaleNames();
+    }
+    catch ( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getAllInstalledLocaleNames" );
+    }
+    return rInstalledLocales;
+}
+
+// --- Impl and helpers ----------------------------------------------------
+
+// static
+css::uno::Sequence< css::lang::Locale > LocaleDataWrapper::getInstalledLocaleNames()
+{
+    const uno::Sequence< lang::Locale > &rInstalledLocales =
+        InstalledLocales::get();
+
+    if ( !rInstalledLocales.hasElements() )
+    {
+        LocaleDataWrapper aLDW( ::comphelper::getProcessComponentContext(), LanguageTag( LANGUAGE_SYSTEM) );
+        aLDW.getAllInstalledLocaleNames();
+    }
+    return rInstalledLocales;
+}
+
+// static
+std::vector< LanguageType > LocaleDataWrapper::getInstalledLanguageTypes()
+{
+    std::vector< LanguageType > &rInstalledLanguageTypes =
+        InstalledLanguageTypes::get();
+
+    if ( !rInstalledLanguageTypes.empty() )
+        return rInstalledLanguageTypes;
+
+    const css::uno::Sequence< css::lang::Locale > xLoc =  getInstalledLocaleNames();
+    sal_Int32 nCount = xLoc.getLength();
+    std::vector< LanguageType > xLang;
+    xLang.reserve(nCount);
+    for ( const auto& rLoc : xLoc )
+    {
+        LanguageTag aLanguageTag( rLoc );
+        OUString aDebugLocale;
+        if (areChecksEnabled())
+        {
+            aDebugLocale = aLanguageTag.getBcp47( false);
+        }
+
+        LanguageType eLang = aLanguageTag.getLanguageType( false);
+        if (areChecksEnabled() && eLang == LANGUAGE_DONTKNOW)
+        {
+            OUString aMsg = "ConvertIsoNamesToLanguage: unknown MS-LCID for locale\n" +
+                aDebugLocale;
+            outputCheckMessage(aMsg);
+        }
+
+        if ( eLang == LANGUAGE_NORWEGIAN)       // no_NO, not Bokmal (nb_NO), not Nynorsk (nn_NO)
+            eLang = LANGUAGE_DONTKNOW;  // don't offer "Unknown" language
+        if ( eLang != LANGUAGE_DONTKNOW )
+        {
+            LanguageTag aBackLanguageTag( eLang);
+            if ( aLanguageTag != aBackLanguageTag )
+            {
+                // In checks, exclude known problems because no MS-LCID defined
+                // and default for Language found.
+                if ( areChecksEnabled()
+                        && aDebugLocale != "ar-SD"  // Sudan/ar
+                        && aDebugLocale != "en-CB"  // Caribbean is not a country
+//                      && aDebugLocale != "en-BG"  // ?!? Bulgaria/en
+//                      && aDebugLocale != "es-BR"  // ?!? Brazil/es
+                    )
+                {
+                    OUStringBuffer aMsg("ConvertIsoNamesToLanguage/ConvertLanguageToIsoNames: ambiguous locale (MS-LCID?)\n");
+                    aMsg.append(aDebugLocale);
+                    aMsg.append("  ->  0x");
+                    aMsg.append(static_cast<sal_Int32>(static_cast<sal_uInt16>(eLang)), 16);
+                    aMsg.append("  ->  ");
+                    aMsg.append(aBackLanguageTag.getBcp47());
+                    outputCheckMessage( aMsg.makeStringAndClear() );
+                }
+                eLang = LANGUAGE_DONTKNOW;
+            }
+        }
+        if ( eLang != LANGUAGE_DONTKNOW )
+            xLang.push_back(eLang);
+    }
+    rInstalledLanguageTypes = xLang;
+
+    return rInstalledLanguageTypes;
+}
+
+const OUString& LocaleDataWrapper::getOneLocaleItem( sal_Int16 nItem ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nItem >= LocaleItem::COUNT2 )
+    {
+        SAL_WARN( "unotools.i18n", "getOneLocaleItem: bounds" );
+        return aLocaleItem[0];
+    }
+    if (aLocaleItem[nItem].isEmpty())
+    {   // no cached content
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getOneLocaleItemImpl( nItem );
+    }
+    return aLocaleItem[nItem];
+}
+
+void LocaleDataWrapper::getOneLocaleItemImpl( sal_Int16 nItem )
+{
+    if ( !bLocaleDataItemValid )
+    {
+        aLocaleDataItem = getLocaleItem();
+        bLocaleDataItemValid = true;
+    }
+    switch ( nItem )
+    {
+        case LocaleItem::DATE_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.dateSeparator;
+        break;
+        case LocaleItem::THOUSAND_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.thousandSeparator;
+        break;
+        case LocaleItem::DECIMAL_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.decimalSeparator;
+        break;
+        case LocaleItem::TIME_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.timeSeparator;
+        break;
+        case LocaleItem::TIME_100SEC_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.time100SecSeparator;
+        break;
+        case LocaleItem::LIST_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.listSeparator;
+        break;
+        case LocaleItem::SINGLE_QUOTATION_START :
+            aLocaleItem[nItem] = aLocaleDataItem.quotationStart;
+        break;
+        case LocaleItem::SINGLE_QUOTATION_END :
+            aLocaleItem[nItem] = aLocaleDataItem.quotationEnd;
+        break;
+        case LocaleItem::DOUBLE_QUOTATION_START :
+            aLocaleItem[nItem] = aLocaleDataItem.doubleQuotationStart;
+        break;
+        case LocaleItem::DOUBLE_QUOTATION_END :
+            aLocaleItem[nItem] = aLocaleDataItem.doubleQuotationEnd;
+        break;
+        case LocaleItem::MEASUREMENT_SYSTEM :
+            aLocaleItem[nItem] = aLocaleDataItem.measurementSystem;
+        break;
+        case LocaleItem::TIME_AM :
+            aLocaleItem[nItem] = aLocaleDataItem.timeAM;
+        break;
+        case LocaleItem::TIME_PM :
+            aLocaleItem[nItem] = aLocaleDataItem.timePM;
+        break;
+        case LocaleItem::LONG_DATE_DAY_OF_WEEK_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.LongDateDayOfWeekSeparator;
+        break;
+        case LocaleItem::LONG_DATE_DAY_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.LongDateDaySeparator;
+        break;
+        case LocaleItem::LONG_DATE_MONTH_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.LongDateMonthSeparator;
+        break;
+        case LocaleItem::LONG_DATE_YEAR_SEPARATOR :
+            aLocaleItem[nItem] = aLocaleDataItem.LongDateYearSeparator;
+        break;
+        case LocaleItem::DECIMAL_SEPARATOR_ALTERNATIVE :
+            aLocaleItem[nItem] = aLocaleDataItem.decimalSeparatorAlternative;
+        break;
+        default:
+            SAL_WARN( "unotools.i18n", "getOneLocaleItemImpl: which one?" );
+    }
+}
+
+void LocaleDataWrapper::getOneReservedWordImpl( sal_Int16 nWord )
+{
+    if ( !bReservedWordValid )
+    {
+        aReservedWordSeq = getReservedWord();
+        bReservedWordValid = true;
+    }
+    DBG_ASSERT( nWord < aReservedWordSeq.getLength(), "getOneReservedWordImpl: which one?" );
+    if ( nWord < aReservedWordSeq.getLength() )
+        aReservedWord[nWord] = aReservedWordSeq[nWord];
+}
+
+const OUString& LocaleDataWrapper::getOneReservedWord( sal_Int16 nWord ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nWord < 0 || nWord >= reservedWords::COUNT )
+    {
+        SAL_WARN( "unotools.i18n", "getOneReservedWord: bounds" );
+        nWord = reservedWords::FALSE_WORD;
+    }
+    if (aReservedWord[nWord].isEmpty())
+    {   // no cached content
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getOneReservedWordImpl( nWord );
+    }
+    return aReservedWord[nWord];
+}
+
+MeasurementSystem LocaleDataWrapper::mapMeasurementStringToEnum( const OUString& rMS ) const
+{
+//! TODO: could be cached too
+    if ( rMS.equalsIgnoreAsciiCase( "metric" ) )
+        return MeasurementSystem::Metric;
+//! TODO: other measurement systems? => extend enum MeasurementSystem
+    return MeasurementSystem::US;
+}
+
+void LocaleDataWrapper::getSecondaryCalendarImpl()
+{
+    if (!xSecondaryCalendar && !bSecondaryCalendarValid)
+    {
+        Sequence< Calendar2 > xCals = getAllCalendars();
+        if (xCals.getLength() > 1)
+        {
+            auto pCal = std::find_if(xCals.begin(), xCals.end(),
+                [](const Calendar2& rCal) { return !rCal.Default; });
+            if (pCal != xCals.end())
+                xSecondaryCalendar = std::make_shared<Calendar2>( *pCal);
+        }
+        bSecondaryCalendarValid = true;
+    }
+}
+
+bool LocaleDataWrapper::doesSecondaryCalendarUseEC( const OUString& rName ) const
+{
+    if (rName.isEmpty())
+        return false;
+
+    // Check language tag first to avoid loading all calendars of this locale.
+    LanguageTag aLoaded( getLoadedLanguageTag());
+    const OUString& aBcp47( aLoaded.getBcp47());
+    // So far determine only by locale, we know for a few.
+    /* TODO: check date format codes? or add to locale data? */
+    if (    aBcp47 != "ja-JP" &&
+            aBcp47 != "lo-LA" &&
+            aBcp47 != "zh-TW")
+        return false;
+
+    ::utl::ReadWriteGuard aGuard( aMutex );
+
+    if (!bSecondaryCalendarValid)
+    {   // no cached content
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getSecondaryCalendarImpl();
+    }
+    if (!xSecondaryCalendar)
+        return false;
+    if (!xSecondaryCalendar->Name.equalsIgnoreAsciiCase( rName))
+        return false;
+
+    return true;
+}
+
+void LocaleDataWrapper::getDefaultCalendarImpl()
+{
+    if (!xDefaultCalendar)
+    {
+        Sequence< Calendar2 > xCals = getAllCalendars();
+        auto pCal = xCals.begin();
+        if (xCals.getLength() > 1)
+        {
+            pCal = std::find_if(xCals.begin(), xCals.end(),
+                [](const Calendar2& rCal) { return rCal.Default; });
+            if (pCal == xCals.end())
+                pCal = xCals.begin();
+        }
+        xDefaultCalendar = std::make_shared<Calendar2>( *pCal);
+    }
+}
+
+const std::shared_ptr< css::i18n::Calendar2 >& LocaleDataWrapper::getDefaultCalendar() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if (!xDefaultCalendar)
+    {   // no cached content
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getDefaultCalendarImpl();
+    }
+    return xDefaultCalendar;
+}
+
+css::uno::Sequence< css::i18n::CalendarItem2 > const & LocaleDataWrapper::getDefaultCalendarDays() const
+{
+    return getDefaultCalendar()->Days;
+}
+
+css::uno::Sequence< css::i18n::CalendarItem2 > const & LocaleDataWrapper::getDefaultCalendarMonths() const
+{
+    return getDefaultCalendar()->Months;
+}
+
+// --- currencies -----------------------------------------------------
+
+const OUString& LocaleDataWrapper::getCurrSymbol() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if (aCurrSymbol.isEmpty())
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getCurrSymbolsImpl();
+    }
+    return aCurrSymbol;
+}
+
+const OUString& LocaleDataWrapper::getCurrBankSymbol() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if (aCurrBankSymbol.isEmpty())
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getCurrSymbolsImpl();
+    }
+    return aCurrBankSymbol;
+}
+
+sal_uInt16 LocaleDataWrapper::getCurrPositiveFormat() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nCurrPositiveFormat == nCurrFormatInvalid )
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getCurrFormatsImpl();
+    }
+    return nCurrPositiveFormat;
+}
+
+sal_uInt16 LocaleDataWrapper::getCurrNegativeFormat() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nCurrNegativeFormat == nCurrFormatInvalid )
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getCurrFormatsImpl();
+    }
+    return nCurrNegativeFormat;
+}
+
+sal_uInt16 LocaleDataWrapper::getCurrDigits() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nCurrDigits == nCurrFormatInvalid )
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getCurrSymbolsImpl();
+    }
+    return nCurrDigits;
+}
+
+void LocaleDataWrapper::getCurrSymbolsImpl()
+{
+    Sequence< Currency2 > aCurrSeq = getAllCurrencies();
+    if ( !aCurrSeq.hasElements() )
+    {
+        if (areChecksEnabled())
+            outputCheckMessage(OUString("LocaleDataWrapper::getCurrSymbolsImpl: no currency at all, using ShellsAndPebbles"));
+        aCurrSymbol = "ShellsAndPebbles";
+        aCurrBankSymbol = aCurrSymbol;
+        nCurrPositiveFormat = nCurrNegativeFormat = nCurrFormatDefault;
+        nCurrDigits = 2;
+        return;
+    }
+    auto pCurr = std::find_if(aCurrSeq.begin(), aCurrSeq.end(),
+        [](const Currency2& rCurr) { return rCurr.Default; });
+    if ( pCurr == aCurrSeq.end() )
+    {
+        if (areChecksEnabled())
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getCurrSymbolsImpl: no default currency" ) );
+        }
+        pCurr = aCurrSeq.begin();
+    }
+    aCurrSymbol = pCurr->Symbol;
+    aCurrBankSymbol = pCurr->BankSymbol;
+    nCurrDigits = pCurr->DecimalPlaces;
+}
+
+void LocaleDataWrapper::scanCurrFormatImpl( const OUString& rCode,
+        sal_Int32 nStart, sal_Int32& nSign, sal_Int32& nPar,
+        sal_Int32& nNum, sal_Int32& nBlank, sal_Int32& nSym ) const
+{
+    nSign = nPar = nNum = nBlank = nSym = -1;
+    const sal_Unicode* const pStr = rCode.getStr();
+    const sal_Unicode* const pStop = pStr + rCode.getLength();
+    const sal_Unicode* p = pStr + nStart;
+    int nInSection = 0;
+    bool bQuote = false;
+    while ( p < pStop )
+    {
+        if ( bQuote )
+        {
+            if ( *p == '"' && *(p-1) != '\\' )
+                bQuote = false;
+        }
+        else
+        {
+            switch ( *p )
+            {
+                case '"' :
+                    if ( pStr == p || *(p-1) != '\\' )
+                        bQuote = true;
+                break;
+                case '-' :
+                    if (!nInSection && nSign == -1)
+                        nSign = p - pStr;
+                break;
+                case '(' :
+                    if (!nInSection && nPar == -1)
+                        nPar = p - pStr;
+                break;
+                case '0' :
+                case '#' :
+                    if (!nInSection && nNum == -1)
+                        nNum = p - pStr;
+                break;
+                case '[' :
+                    nInSection++;
+                break;
+                case ']' :
+                    if ( nInSection )
+                    {
+                        nInSection--;
+                        if (!nInSection && nBlank == -1
+                          && nSym != -1 && p < pStop-1 && *(p+1) == ' ' )
+                            nBlank = p - pStr + 1;
+                    }
+                break;
+                case '$' :
+                    if (nSym == -1 && nInSection && *(p-1) == '[')
+                    {
+                        nSym = p - pStr + 1;
+                        if (nNum != -1 && *(p-2) == ' ')
+                            nBlank = p - pStr - 2;
+                    }
+                break;
+                case ';' :
+                    if ( !nInSection )
+                        p = pStop;
+                break;
+                default:
+                    if (!nInSection && nSym == -1 && rCode.match(aCurrSymbol, static_cast<sal_Int32>(p - pStr)))
+                    {   // currency symbol not surrounded by [$...]
+                        nSym = p - pStr;
+                        if (nBlank == -1 && pStr < p && *(p-1) == ' ')
+                            nBlank = p - pStr - 1;
+                        p += aCurrSymbol.getLength() - 1;
+                        if (nBlank == -1 && p < pStop-2 && *(p+2) == ' ')
+                            nBlank = p - pStr + 2;
+                    }
+            }
+        }
+        p++;
+    }
+}
+
+void LocaleDataWrapper::getCurrFormatsImpl()
+{
+    css::uno::Reference< css::i18n::XNumberFormatCode > xNFC = i18n::NumberFormatMapper::create( m_xContext );
+    uno::Sequence< NumberFormatCode > aFormatSeq = xNFC->getAllFormatCode( KNumberFormatUsage::CURRENCY, getMyLocale() );
+    sal_Int32 nCnt = aFormatSeq.getLength();
+    if ( !nCnt )
+    {   // bad luck
+        if (areChecksEnabled())
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getCurrFormatsImpl: no currency formats" ) );
+        }
+        nCurrPositiveFormat = nCurrNegativeFormat = nCurrFormatDefault;
+        return;
+    }
+    // find a negative code (medium preferred) and a default (medium preferred) (not necessarily the same)
+    NumberFormatCode const * const pFormatArr = aFormatSeq.getArray();
+    sal_Int32 nElem, nDef, nNeg, nMedium;
+    nDef = nNeg = nMedium = -1;
+    for ( nElem = 0; nElem < nCnt; nElem++ )
+    {
+        if ( pFormatArr[nElem].Type == KNumberFormatType::MEDIUM )
+        {
+            if ( pFormatArr[nElem].Default )
+            {
+                nDef = nElem;
+                nMedium = nElem;
+                if ( pFormatArr[nElem].Code.indexOf( ';' ) >= 0 )
+                    nNeg = nElem;
+            }
+            else
+            {
+                if ( (nNeg == -1 || nMedium == -1) && pFormatArr[nElem].Code.indexOf( ';' ) >= 0 )
+                    nNeg = nElem;
+                if ( nMedium == -1 )
+                    nMedium = nElem;
+            }
+        }
+        else
+        {
+            if ( nDef == -1 && pFormatArr[nElem].Default )
+                nDef = nElem;
+            if ( nNeg == -1 && pFormatArr[nElem].Code.indexOf( ';' ) >= 0 )
+                nNeg = nElem;
+        }
+    }
+
+    // make sure it's loaded
+    getCurrSymbol();
+
+    sal_Int32 nSign, nPar, nNum, nBlank, nSym;
+
+    // positive format
+    nElem = (nDef >= 0 ? nDef : (nNeg >= 0 ? nNeg : 0));
+    scanCurrFormatImpl( pFormatArr[nElem].Code, 0, nSign, nPar, nNum, nBlank, nSym );
+    if (areChecksEnabled() && (nNum == -1 || nSym == -1))
+    {
+        outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getCurrFormatsImpl: CurrPositiveFormat?" ) );
+    }
+    if (nBlank == -1)
+    {
+        if ( nSym < nNum )
+            nCurrPositiveFormat = 0;    // $1
+        else
+            nCurrPositiveFormat = 1;    // 1$
+    }
+    else
+    {
+        if ( nSym < nNum )
+            nCurrPositiveFormat = 2;    // $ 1
+        else
+            nCurrPositiveFormat = 3;    // 1 $
+    }
+
+    // negative format
+    if ( nNeg < 0 )
+        nCurrNegativeFormat = nCurrFormatDefault;
+    else
+    {
+        const OUString& rCode = pFormatArr[nNeg].Code;
+        sal_Int32 nDelim = rCode.indexOf(';');
+        scanCurrFormatImpl( rCode, nDelim+1, nSign, nPar, nNum, nBlank, nSym );
+        if (areChecksEnabled() && (nNum == -1 || nSym == -1 || (nPar == -1 && nSign == -1)))
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getCurrFormatsImpl: CurrNegativeFormat?" ) );
+        }
+        // NOTE: one of nPar or nSign are allowed to be -1
+        if (nBlank == -1)
+        {
+            if ( nSym < nNum )
+            {
+                if ( -1 < nPar && nPar < nSym )
+                    nCurrNegativeFormat = 0;    // ($1)
+                else if ( -1 < nSign && nSign < nSym )
+                    nCurrNegativeFormat = 1;    // -$1
+                else if ( nNum < nSign )
+                    nCurrNegativeFormat = 3;    // $1-
+                else
+                    nCurrNegativeFormat = 2;    // $-1
+            }
+            else
+            {
+                if ( -1 < nPar && nPar < nNum )
+                    nCurrNegativeFormat = 4;    // (1$)
+                else if ( -1 < nSign && nSign < nNum )
+                    nCurrNegativeFormat = 5;    // -1$
+                else if ( nSym < nSign )
+                    nCurrNegativeFormat = 7;    // 1$-
+                else
+                    nCurrNegativeFormat = 6;    // 1-$
+            }
+        }
+        else
+        {
+            if ( nSym < nNum )
+            {
+                if ( -1 < nPar && nPar < nSym )
+                    nCurrNegativeFormat = 14;   // ($ 1)
+                else if ( -1 < nSign && nSign < nSym )
+                    nCurrNegativeFormat = 9;    // -$ 1
+                else if ( nNum < nSign )
+                    nCurrNegativeFormat = 12;   // $ 1-
+                else
+                    nCurrNegativeFormat = 11;   // $ -1
+            }
+            else
+            {
+                if ( -1 < nPar && nPar < nNum )
+                    nCurrNegativeFormat = 15;   // (1 $)
+                else if ( -1 < nSign && nSign < nNum )
+                    nCurrNegativeFormat = 8;    // -1 $
+                else if ( nSym < nSign )
+                    nCurrNegativeFormat = 10;   // 1 $-
+                else
+                    nCurrNegativeFormat = 13;   // 1- $
+            }
+        }
+    }
+}
+
+// --- date -----------------------------------------------------------
+
+DateOrder LocaleDataWrapper::getDateOrder() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nDateOrder == DateOrder::Invalid )
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getDateOrdersImpl();
+    }
+    return nDateOrder;
+}
+
+DateOrder LocaleDataWrapper::getLongDateOrder() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if ( nLongDateOrder == DateOrder::Invalid )
+    {
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getDateOrdersImpl();
+    }
+    return nLongDateOrder;
+}
+
+DateOrder LocaleDataWrapper::scanDateOrderImpl( const OUString& rCode ) const
+{
+    // Only some european versions were translated, the ones with different
+    // keyword combinations are:
+    // English DMY, German TMJ, Spanish DMA, French JMA, Italian GMA,
+    // Dutch DMJ, Finnish PKV
+
+    // default is English keywords for every other language
+    sal_Int32 nDay = rCode.indexOf('D');
+    sal_Int32 nMonth = rCode.indexOf('M');
+    sal_Int32 nYear = rCode.indexOf('Y');
+    if (nDay == -1 || nMonth == -1 || nYear == -1)
+    {   // This algorithm assumes that all three parts (DMY) are present
+        if (nMonth == -1)
+        {   // only Finnish has something else than 'M' for month
+            nMonth = rCode.indexOf('K');
+            if (nMonth != -1)
+            {
+                nDay = rCode.indexOf('P');
+                nYear = rCode.indexOf('V');
+            }
+        }
+        else if (nDay == -1)
+        {   // We have a month 'M' if we reach this branch.
+            // Possible languages containing 'M' but no 'D':
+            // German, French, Italian
+            nDay = rCode.indexOf('T');         // German
+            if (nDay != -1)
+                nYear = rCode.indexOf('J');
+            else
+            {
+                nYear = rCode.indexOf('A');    // French, Italian
+                if (nYear != -1)
+                {
+                    nDay = rCode.indexOf('J'); // French
+                    if (nDay == -1)
+                        nDay = rCode.indexOf('G'); // Italian
+                }
+            }
+        }
+        else
+        {   // We have a month 'M' and a day 'D'.
+            // Possible languages containing 'D' and 'M' but not 'Y':
+            // Spanish, Dutch
+            nYear = rCode.indexOf('A');        // Spanish
+            if (nYear == -1)
+                nYear = rCode.indexOf('J');    // Dutch
+        }
+        if (nDay == -1 || nMonth == -1 || nYear == -1)
+        {
+            if (areChecksEnabled())
+            {
+                outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::scanDateOrder: not all DMY present" ) );
+            }
+            if (nDay == -1)
+                nDay = rCode.getLength();
+            if (nMonth == -1)
+                nMonth = rCode.getLength();
+            if (nYear == -1)
+                nYear = rCode.getLength();
+        }
+    }
+    // compare with <= because each position may equal rCode.getLength()
+    if ( nDay <= nMonth && nMonth <= nYear )
+        return DateOrder::DMY;     // also if every position equals rCode.getLength()
+    else if ( nMonth <= nDay && nDay <= nYear )
+        return DateOrder::MDY;
+    else if ( nYear <= nMonth && nMonth <= nDay )
+        return DateOrder::YMD;
+    else
+    {
+        if (areChecksEnabled())
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::scanDateOrder: no magic applicable" ) );
+        }
+        return DateOrder::DMY;
+    }
+}
+
+void LocaleDataWrapper::getDateOrdersImpl()
+{
+    css::uno::Reference< css::i18n::XNumberFormatCode > xNFC = i18n::NumberFormatMapper::create( m_xContext );
+    uno::Sequence< NumberFormatCode > aFormatSeq = xNFC->getAllFormatCode( KNumberFormatUsage::DATE, getMyLocale() );
+    sal_Int32 nCnt = aFormatSeq.getLength();
+    if ( !nCnt )
+    {   // bad luck
+        if (areChecksEnabled())
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getDateOrdersImpl: no date formats" ) );
+        }
+        nDateOrder = nLongDateOrder = DateOrder::DMY;
+        return;
+    }
+    // find the edit (21), a default (medium preferred),
+    // a medium (default preferred), and a long (default preferred)
+    NumberFormatCode const * const pFormatArr = aFormatSeq.getArray();
+    sal_Int32 nEdit, nDef, nMedium, nLong;
+    nEdit = nDef = nMedium = nLong = -1;
+    for ( sal_Int32 nElem = 0; nElem < nCnt; nElem++ )
+    {
+        if ( nEdit == -1 && pFormatArr[nElem].Index == NumberFormatIndex::DATE_SYS_DDMMYYYY )
+            nEdit = nElem;
+        if ( nDef == -1 && pFormatArr[nElem].Default )
+            nDef = nElem;
+        switch ( pFormatArr[nElem].Type )
+        {
+            case KNumberFormatType::MEDIUM :
+            {
+                if ( pFormatArr[nElem].Default )
+                {
+                    nDef = nElem;
+                    nMedium = nElem;
+                }
+                else if ( nMedium == -1 )
+                    nMedium = nElem;
+            }
+            break;
+            case KNumberFormatType::LONG :
+            {
+                if ( pFormatArr[nElem].Default )
+                    nLong = nElem;
+                else if ( nLong == -1 )
+                    nLong = nElem;
+            }
+            break;
+        }
+    }
+    if ( nEdit == -1 )
+    {
+        if (areChecksEnabled())
+        {
+            outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getDateOrdersImpl: no edit" ) );
+        }
+        if ( nDef == -1 )
+        {
+            if (areChecksEnabled())
+            {
+                outputCheckMessage( appendLocaleInfo( "LocaleDataWrapper::getDateOrdersImpl: no default" ) );
+            }
+            if ( nMedium != -1 )
+                nDef = nMedium;
+            else if ( nLong != -1 )
+                nDef = nLong;
+            else
+                nDef = 0;
+        }
+        nEdit = nDef;
+    }
+    DateOrder nDF = scanDateOrderImpl( pFormatArr[nEdit].Code );
+    if ( pFormatArr[nEdit].Type == KNumberFormatType::LONG )
+    {   // normally this is not the case
+        nLongDateOrder = nDateOrder = nDF;
+    }
+    else
+    {
+        nDateOrder = nDF;
+        if ( nLong == -1 )
+            nLongDateOrder = nDF;
+        else
+            nLongDateOrder = scanDateOrderImpl( pFormatArr[nLong].Code );
+    }
+}
+
+// --- digit grouping -------------------------------------------------
+
+void LocaleDataWrapper::getDigitGroupingImpl()
+{
+    /* TODO: This is a very simplified grouping setup that only serves its
+     * current purpose for Indian locales. A free-form flexible one would
+     * obtain grouping from locale data where it could be specified using, for
+     * example, codes like #,### and #,##,### that would generate the integer
+     * sequence. Needed additional API and a locale data element.
+     */
+
+    if (!aGrouping.hasElements())
+    {
+        aGrouping.realloc(3);   // room for {3,2,0}
+        aGrouping[0] = 0;       // invalidate
+    }
+    if (!aGrouping[0])
+    {
+        i18n::LanguageCountryInfo aLCInfo( getLanguageCountryInfo());
+        if (aLCInfo.Country.equalsIgnoreAsciiCase("IN") || // India
+            aLCInfo.Country.equalsIgnoreAsciiCase("BT") )  // Bhutan
+        {
+            aGrouping[0] = 3;
+            aGrouping[1] = 2;
+            aGrouping[2] = 0;
+        }
+        else
+        {
+            aGrouping[0] = 3;
+            aGrouping[1] = 0;
+        }
+    }
+}
+
+css::uno::Sequence< sal_Int32 > LocaleDataWrapper::getDigitGrouping() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+    if (!aGrouping.hasElements() || aGrouping[0] == 0)
+    {   // no cached content
+        aGuard.changeReadToWrite();
+        const_cast<LocaleDataWrapper*>(this)->getDigitGroupingImpl();
+    }
+    return aGrouping;
+}
+
+// --- simple number formatting helpers -------------------------------
+
+// The ImplAdd... methods are taken from class International and modified to
+// suit the needs.
+
+static void ImplAddUNum( OUStringBuffer& rBuf, sal_uInt64 nNumber )
+{
+    // fill temp buffer with digits
+    sal_Unicode aTempBuf[64];
+    sal_Unicode* pTempBuf = aTempBuf;
+    do
+    {
+        *pTempBuf = static_cast<sal_Unicode>(nNumber % 10) + '0';
+        pTempBuf++;
+        nNumber /= 10;
+    }
+    while ( nNumber );
+
+    // copy temp buffer to buffer passed
+    do
+    {
+        pTempBuf--;
+        rBuf.append(*pTempBuf);
+    }
+    while ( pTempBuf != aTempBuf );
+}
+
+static void ImplAddUNum( OUStringBuffer& rBuf, sal_uInt64 nNumber, int nMinLen )
+{
+    // fill temp buffer with digits
+    sal_Unicode aTempBuf[64];
+    sal_Unicode* pTempBuf = aTempBuf;
+    do
+    {
+        *pTempBuf = static_cast<sal_Unicode>(nNumber % 10) + '0';
+        pTempBuf++;
+        nNumber /= 10;
+        nMinLen--;
+    }
+    while ( nNumber );
+
+    // fill with zeros up to the minimal length
+    while ( nMinLen > 0 )
+    {
+        rBuf.append('0');
+        nMinLen--;
+    }
+
+    // copy temp buffer to real buffer
+    do
+    {
+        pTempBuf--;
+        rBuf.append(*pTempBuf);
+    }
+    while ( pTempBuf != aTempBuf );
+}
+
+static void ImplAddNum( OUStringBuffer& rBuf, sal_Int64 nNumber, int nMinLen )
+{
+    if (nNumber < 0)
+    {
+        rBuf.append('-');
+        nNumber = -nNumber;
+    }
+    return ImplAddUNum( rBuf, nNumber, nMinLen);
+}
+
+static void ImplAdd2UNum( OUStringBuffer& rBuf, sal_uInt16 nNumber, bool bLeading )
+{
+    DBG_ASSERT( nNumber < 100, "ImplAdd2UNum() - Number >= 100" );
+
+    if ( nNumber < 10 )
+    {
+        if ( bLeading )
+        {
+            rBuf.append('0');
+        }
+        rBuf.append(static_cast<char>(nNumber + '0'));
+    }
+    else
+    {
+        sal_uInt16 nTemp = nNumber % 10;
+        nNumber /= 10;
+        rBuf.append(static_cast<char>(nNumber + '0'));
+        rBuf.append(static_cast<char>(nTemp + '0'));
+    }
+}
+
+static void ImplAdd9UNum( OUStringBuffer& rBuf, sal_uInt32 nNumber )
+{
+    DBG_ASSERT( nNumber < 1000000000, "ImplAdd9UNum() - Number >= 1000000000" );
+
+    std::ostringstream ostr;
+    ostr.fill('0');
+    ostr.width(9);
+    ostr << nNumber;
+    std::string aStr = ostr.str();
+    rBuf.appendAscii(aStr.c_str(), aStr.size());
+}
+
+void LocaleDataWrapper::ImplAddFormatNum( OUStringBuffer& rBuf,
+        sal_Int64 nNumber, sal_uInt16 nDecimals, bool bUseThousandSep,
+        bool bTrailingZeros ) const
+{
+    OUStringBuffer aNumBuf(64);
+    sal_uInt16  nNumLen;
+
+    // negative number
+    if ( nNumber < 0 )
+    {
+        nNumber *= -1;
+        rBuf.append('-');
+    }
+
+    // convert number
+    ImplAddUNum( aNumBuf, static_cast<sal_uInt64>(nNumber) );
+    nNumLen = static_cast<sal_uInt16>(aNumBuf.getLength());
+
+    if ( nNumLen <= nDecimals )
+    {
+        // strip .0 in decimals?
+        if ( !nNumber && !bTrailingZeros )
+        {
+            rBuf.append('0');
+        }
+        else
+        {
+            // LeadingZero, insert 0
+            if ( isNumLeadingZero() )
+            {
+                rBuf.append('0');
+            }
+
+            // append decimal separator
+            rBuf.append( getNumDecimalSep() );
+
+            // fill with zeros
+            sal_uInt16 i = 0;
+            while ( i < (nDecimals-nNumLen) )
+            {
+                rBuf.append('0');
+                i++;
+            }
+
+            // append decimals
+            rBuf.append(aNumBuf);
+        }
+    }
+    else
+    {
+        const OUString& rThoSep = getNumThousandSep();
+
+        // copy number to buffer (excluding decimals)
+        sal_uInt16 nNumLen2 = nNumLen-nDecimals;
+        uno::Sequence< sal_Bool > aGroupPos;
+        if (bUseThousandSep)
+            aGroupPos = utl::DigitGroupingIterator::createForwardSequence(
+                    nNumLen2, getDigitGrouping());
+        sal_uInt16 i = 0;
+        for (; i < nNumLen2; ++i )
+        {
+            rBuf.append(aNumBuf[i]);
+
+            // add thousand separator?
+            if ( bUseThousandSep && aGroupPos[i] )
+                rBuf.append( rThoSep );
+        }
+
+        // append decimals
+        if ( nDecimals )
+        {
+            rBuf.append( getNumDecimalSep() );
+
+            bool bNullEnd = true;
+            while ( i < nNumLen )
+            {
+                if ( aNumBuf[i] != '0' )
+                    bNullEnd = false;
+
+                rBuf.append(aNumBuf[i]);
+                i++;
+            }
+
+            // strip .0 in decimals?
+            if ( bNullEnd && !bTrailingZeros )
+                rBuf.setLength( rBuf.getLength() - (nDecimals + 1) );
+        }
+    }
+}
+
+// --- simple date and time formatting --------------------------------
+
+OUString LocaleDataWrapper::getDate( const Date& rDate ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+//!TODO: leading zeros et al
+    OUStringBuffer aBuf(128);
+    sal_uInt16  nDay    = rDate.GetDay();
+    sal_uInt16  nMonth  = rDate.GetMonth();
+    sal_Int16   nYear   = rDate.GetYear();
+    sal_uInt16  nYearLen;
+
+    if ( (true) /* IsDateCentury() */ )
+        nYearLen = 4;
+    else
+    {
+        nYearLen = 2;
+        nYear %= 100;
+    }
+
+    switch ( getDateOrder() )
+    {
+        case DateOrder::DMY :
+            ImplAdd2UNum( aBuf, nDay, true /* IsDateDayLeadingZero() */ );
+            aBuf.append( getDateSep() );
+            ImplAdd2UNum( aBuf, nMonth, true /* IsDateMonthLeadingZero() */ );
+            aBuf.append( getDateSep() );
+            ImplAddNum( aBuf, nYear, nYearLen );
+        break;
+        case DateOrder::MDY :
+            ImplAdd2UNum( aBuf, nMonth, true /* IsDateMonthLeadingZero() */ );
+            aBuf.append( getDateSep() );
+            ImplAdd2UNum( aBuf, nDay, true /* IsDateDayLeadingZero() */ );
+            aBuf.append( getDateSep() );
+            ImplAddNum( aBuf, nYear, nYearLen );
+        break;
+        default:
+            ImplAddNum( aBuf, nYear, nYearLen );
+            aBuf.append( getDateSep() );
+            ImplAdd2UNum( aBuf, nMonth, true /* IsDateMonthLeadingZero() */ );
+            aBuf.append( getDateSep() );
+            ImplAdd2UNum( aBuf, nDay, true /* IsDateDayLeadingZero() */ );
+    }
+
+    return aBuf.makeStringAndClear();
+}
+
+OUString LocaleDataWrapper::getTime( const tools::Time& rTime, bool bSec, bool b100Sec ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+//!TODO: leading zeros et al
+    OUStringBuffer aBuf(128);
+    sal_uInt16  nHour = rTime.GetHour();
+
+    nHour %= 24;
+
+    ImplAdd2UNum( aBuf, nHour, true /* IsTimeLeadingZero() */ );
+    aBuf.append( getTimeSep() );
+    ImplAdd2UNum( aBuf, rTime.GetMin(), true );
+    if ( bSec )
+    {
+        aBuf.append( getTimeSep() );
+        ImplAdd2UNum( aBuf, rTime.GetSec(), true );
+
+        if ( b100Sec )
+        {
+            aBuf.append( getTime100SecSep() );
+            ImplAdd9UNum( aBuf, rTime.GetNanoSec() );
+        }
+    }
+
+    return aBuf.makeStringAndClear();
+}
+
+OUString LocaleDataWrapper::getLongDate( const Date& rDate, CalendarWrapper& rCal,
+        bool bTwoDigitYear ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+    OUStringBuffer aBuf(20);
+    OUStringBuffer aStr(120); // complete guess
+    sal_Int16 nVal;
+    rCal.setGregorianDateTime( rDate );
+    // day of week
+    nVal = rCal.getValue( CalendarFieldIndex::DAY_OF_WEEK );
+    aStr.append(rCal.getDisplayName( CalendarDisplayIndex::DAY, nVal, 1 ));
+    aStr.append(getLongDateDayOfWeekSep());
+    // day of month
+    nVal = rCal.getValue( CalendarFieldIndex::DAY_OF_MONTH );
+    ImplAdd2UNum( aBuf, nVal, false/*bDayOfMonthWithLeadingZero*/ );
+    OUString aDay = aBuf.makeStringAndClear();
+    // month of year
+    nVal = rCal.getValue( CalendarFieldIndex::MONTH );
+    OUString aMonth( rCal.getDisplayName( CalendarDisplayIndex::MONTH, nVal, 1 ) );
+    // year
+    nVal = rCal.getValue( CalendarFieldIndex::YEAR );
+    if ( bTwoDigitYear )
+        ImplAddUNum( aBuf, nVal % 100, 2 );
+    else
+        ImplAddUNum( aBuf, nVal );
+    OUString aYear = aBuf.makeStringAndClear();
+    // concatenate
+    switch ( getLongDateOrder() )
+    {
+        case DateOrder::DMY :
+            aStr.append(aDay).append(getLongDateDaySep()).append(aMonth).append(getLongDateMonthSep()).append(aYear);
+        break;
+        case DateOrder::MDY :
+            aStr.append(aMonth).append(getLongDateMonthSep()).append(aDay).append(getLongDateDaySep()).append(aYear);
+        break;
+        default:    // YMD
+            aStr.append(aYear).append(getLongDateYearSep()).append(aMonth).append(getLongDateMonthSep()).append(aDay);
+    }
+    return aStr.makeStringAndClear();
+}
+
+OUString LocaleDataWrapper::getDuration( const tools::Time& rTime, bool bSec, bool b100Sec ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+    OUStringBuffer aBuf(128);
+
+    if ( rTime < tools::Time( 0 ) )
+        aBuf.append(' ' );
+
+    if ( (true) /* IsTimeLeadingZero() */ )
+        ImplAddUNum( aBuf, rTime.GetHour(), 2 );
+    else
+        ImplAddUNum( aBuf, rTime.GetHour() );
+    aBuf.append( getTimeSep() );
+    ImplAdd2UNum( aBuf, rTime.GetMin(), true );
+    if ( bSec )
+    {
+        aBuf.append( getTimeSep() );
+        ImplAdd2UNum( aBuf, rTime.GetSec(), true );
+
+        if ( b100Sec )
+        {
+            aBuf.append( getTime100SecSep() );
+            ImplAdd9UNum( aBuf, rTime.GetNanoSec() );
+        }
+    }
+
+    return aBuf.makeStringAndClear();
+}
+
+// --- simple number formatting ---------------------------------------
+
+static size_t ImplGetNumberStringLengthGuess( const LocaleDataWrapper& rLoc, sal_uInt16 nDecimals )
+{
+    // approximately 3.2 bits per digit
+    const size_t nDig = ((sizeof(sal_Int64) * 8) / 3) + 1;
+    // digits, separators (pessimized for insane "every digit may be grouped"), leading zero, sign
+    size_t nGuess = ((nDecimals < nDig) ?
+        (((nDig - nDecimals) * rLoc.getNumThousandSep().getLength()) + nDig) :
+        nDecimals) + rLoc.getNumDecimalSep().getLength() + 3;
+    return nGuess;
+}
+
+OUString LocaleDataWrapper::getNum( sal_Int64 nNumber, sal_uInt16 nDecimals,
+        bool bUseThousandSep, bool bTrailingZeros ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+    // check if digits and separators will fit into fixed buffer or allocate
+    size_t nGuess = ImplGetNumberStringLengthGuess( *this, nDecimals );
+    OUStringBuffer aBuf(int(nGuess + 16));
+
+    ImplAddFormatNum( aBuf, nNumber, nDecimals,
+        bUseThousandSep, bTrailingZeros );
+
+    return aBuf.makeStringAndClear();
+}
+
+OUString LocaleDataWrapper::getCurr( sal_Int64 nNumber, sal_uInt16 nDecimals,
+        const OUString& rCurrencySymbol, bool bUseThousandSep ) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+    sal_Unicode cZeroChar = getCurrZeroChar();
+
+    // check if digits and separators will fit into fixed buffer or allocate
+    size_t nGuess = ImplGetNumberStringLengthGuess( *this, nDecimals );
+    OUStringBuffer aNumBuf(int(nGuess + 16));
+    OUStringBuffer aBuf(int(rCurrencySymbol.getLength() + nGuess + 20 ));
+
+    bool bNeg;
+    if ( nNumber < 0 )
+    {
+        bNeg = true;
+        nNumber *= -1;
+    }
+    else
+        bNeg = false;
+
+    // convert number
+    ImplAddFormatNum( aNumBuf, nNumber, nDecimals,
+        bUseThousandSep, true );
+    const sal_Int32 nNumLen = aNumBuf.getLength();
+
+    // replace zeros with zero character
+    if ( (cZeroChar != '0') && nDecimals /* && IsNumTrailingZeros() */ )
+    {
+        sal_uInt16  i;
+        bool    bZero = true;
+
+        sal_uInt16 nNumBufIndex = nNumLen-nDecimals;
+        i = 0;
+        do
+        {
+            if ( aNumBuf[nNumBufIndex] != '0' )
+            {
+                bZero = false;
+                break;
+            }
+
+            nNumBufIndex++;
+            i++;
+        }
+        while ( i < nDecimals );
+
+        if ( bZero )
+        {
+            nNumBufIndex = nNumLen-nDecimals;
+            i = 0;
+            do
+            {
+                aNumBuf[nNumBufIndex] = cZeroChar;
+                nNumBufIndex++;
+                i++;
+            }
+            while ( i < nDecimals );
+        }
+    }
+
+    if ( !bNeg )
+    {
+        switch( getCurrPositiveFormat() )
+        {
+            case 0:
+                aBuf.append( rCurrencySymbol );
+                aBuf.append( aNumBuf );
+                break;
+            case 1:
+                aBuf.append( aNumBuf );
+                aBuf.append( rCurrencySymbol );
+                break;
+            case 2:
+                aBuf.append( rCurrencySymbol );
+                aBuf.append( ' ' );
+                aBuf.append( aNumBuf );
+                break;
+            case 3:
+                aBuf.append( aNumBuf );
+                aBuf.append( ' ' );
+                aBuf.append( rCurrencySymbol );
+                break;
+        }
+    }
+    else
+    {
+        switch( getCurrNegativeFormat() )
+        {
+            case 0:
+                 aBuf.append( '(' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( ')' );
+                break;
+            case 1:
+                 aBuf.append( '-' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( aNumBuf );
+                break;
+            case 2:
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( '-' );
+                 aBuf.append( aNumBuf );
+                break;
+            case 3:
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( '-' );
+                break;
+            case 4:
+                 aBuf.append( '(' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ')' );
+                break;
+            case 5:
+                 aBuf.append( '-' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( rCurrencySymbol );
+                break;
+            case 6:
+                 aBuf.append( aNumBuf );
+                 aBuf.append( '-' );
+                 aBuf.append( rCurrencySymbol );
+                break;
+            case 7:
+                 aBuf.append( aNumBuf );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( '-' );
+                break;
+            case 8:
+                 aBuf.append( '-' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( ' ' );
+                 aBuf.append( rCurrencySymbol );
+                break;
+            case 9:
+                 aBuf.append( '-' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ' ' );
+                 aBuf.append( aNumBuf );
+                break;
+            case 10:
+                 aBuf.append( aNumBuf );
+                 aBuf.append( ' ' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( '-' );
+                break;
+            case 11:
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ' ' );
+                 aBuf.append( '-' );
+                 aBuf.append( aNumBuf );
+                break;
+            case 12:
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ' ' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( '-' );
+                break;
+            case 13:
+                 aBuf.append( aNumBuf );
+                 aBuf.append( '-' );
+                 aBuf.append( ' ' );
+                 aBuf.append( rCurrencySymbol );
+                break;
+            case 14:
+                 aBuf.append( '(' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ' ' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( ')' );
+                break;
+            case 15:
+                 aBuf.append( '(' );
+                 aBuf.append( aNumBuf );
+                 aBuf.append( ' ' );
+                 aBuf.append( rCurrencySymbol );
+                 aBuf.append( ')' );
+                break;
+        }
+    }
+
+    return aBuf.makeStringAndClear();
+}
+
+// --- number parsing -------------------------------------------------
+
+double LocaleDataWrapper::stringToDouble( const OUString& rString, bool bUseGroupSep,
+        rtl_math_ConversionStatus* pStatus, sal_Int32* pParseEnd ) const
+{
+    const sal_Unicode cGroupSep = (bUseGroupSep ? getNumThousandSep()[0] : 0);
+    rtl_math_ConversionStatus eStatus = rtl_math_ConversionStatus_Ok;
+    sal_Int32 nParseEnd = 0;
+    double fValue = rtl::math::stringToDouble( rString, getNumDecimalSep()[0], cGroupSep, &eStatus, &nParseEnd);
+    bool bTryAlt = (nParseEnd < rString.getLength() && !getNumDecimalSepAlt().isEmpty() &&
+            rString[nParseEnd] == getNumDecimalSepAlt().toChar());
+    // Try re-parsing with alternative if that was the reason to stop.
+    if (bTryAlt)
+        fValue = rtl::math::stringToDouble( rString, getNumDecimalSepAlt().toChar(), cGroupSep, &eStatus, &nParseEnd);
+    if (pStatus)
+        *pStatus = eStatus;
+    if (pParseEnd)
+        *pParseEnd = nParseEnd;
+    return fValue;
+}
+
+double LocaleDataWrapper::stringToDouble( const sal_Unicode* pBegin, const sal_Unicode* pEnd, bool bUseGroupSep,
+        rtl_math_ConversionStatus* pStatus, const sal_Unicode** ppParseEnd ) const
+{
+    const sal_Unicode cGroupSep = (bUseGroupSep ? getNumThousandSep()[0] : 0);
+    rtl_math_ConversionStatus eStatus = rtl_math_ConversionStatus_Ok;
+    const sal_Unicode* pParseEnd = nullptr;
+    double fValue = rtl_math_uStringToDouble( pBegin, pEnd, getNumDecimalSep()[0], cGroupSep, &eStatus, &pParseEnd);
+    bool bTryAlt = (pParseEnd < pEnd && !getNumDecimalSepAlt().isEmpty() &&
+            *pParseEnd == getNumDecimalSepAlt().toChar());
+    // Try re-parsing with alternative if that was the reason to stop.
+    if (bTryAlt)
+        fValue = rtl_math_uStringToDouble( pBegin, pEnd, getNumDecimalSepAlt().toChar(), cGroupSep, &eStatus, &pParseEnd);
+    if (pStatus)
+        *pStatus = eStatus;
+    if (ppParseEnd)
+        *ppParseEnd = pParseEnd;
+    return fValue;
+}
+
+// --- mixed ----------------------------------------------------------
+
+LanguageTag LocaleDataWrapper::getLoadedLanguageTag() const
+{
+    LanguageCountryInfo aLCInfo = getLanguageCountryInfo();
+    return LanguageTag( lang::Locale( aLCInfo.Language, aLCInfo.Country, aLCInfo.Variant ));
+}
+
+OUString LocaleDataWrapper::appendLocaleInfo(const OUString& rDebugMsg) const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::BlockCritical );
+    OUStringBuffer aDebugMsg(rDebugMsg);
+    aDebugMsg.append('\n');
+    aDebugMsg.append(maLanguageTag.getBcp47());
+    aDebugMsg.append(" requested\n");
+    LanguageTag aLoaded = getLoadedLanguageTag();
+    aDebugMsg.append(aLoaded.getBcp47());
+    aDebugMsg.append(" loaded");
+    return aDebugMsg.makeStringAndClear();
+}
+
+// static
+void LocaleDataWrapper::outputCheckMessage( const OUString& rMsg )
+{
+    outputCheckMessage(OUStringToOString(rMsg, RTL_TEXTENCODING_UTF8).getStr());
+}
+
+// static
+void LocaleDataWrapper::outputCheckMessage( const char* pStr )
+{
+    fprintf( stderr, "\n%s\n", pStr);
+    fflush( stderr);
+    SAL_WARN("unotools.i18n", pStr);
+}
+
+// static
+void LocaleDataWrapper::evaluateLocaleDataChecking()
+{
+    // Using the rtl_Instance template here wouldn't solve all threaded write
+    // accesses, since we want to assign the result to the static member
+    // variable and would need to dereference the pointer returned and assign
+    // the value unguarded. This is the same pattern manually coded.
+    sal_uInt8 nCheck = nLocaleDataChecking;
+    if (!nCheck)
+    {
+        ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
+        nCheck = nLocaleDataChecking;
+        if (!nCheck)
+        {
+#ifdef DBG_UTIL
+            nCheck = 1;
+#else
+            const char* pEnv = getenv( "OOO_ENABLE_LOCALE_DATA_CHECKS");
+            if (pEnv && (pEnv[0] == 'Y' || pEnv[0] == 'y' || pEnv[0] == '1'))
+                nCheck = 1;
+            else
+                nCheck = 2;
+#endif
+            OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+            nLocaleDataChecking = nCheck;
+        }
+    }
+    else {
+        OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
+    }
+}
+
+// --- XLocaleData3 ----------------------------------------------------------
+
+css::uno::Sequence< css::i18n::Calendar2 > LocaleDataWrapper::getAllCalendars() const
+{
+    try
+    {
+        return xLD->getAllCalendars2( getMyLocale() );
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getAllCalendars" );
+    }
+    return css::uno::Sequence< css::i18n::Calendar2 >(0);
+}
+
+// --- XLocaleData4 ----------------------------------------------------------
+
+css::uno::Sequence< OUString > LocaleDataWrapper::getDateAcceptancePatterns() const
+{
+    ::utl::ReadWriteGuard aGuard( aMutex );
+
+    if (aDateAcceptancePatterns.hasElements())
+        return aDateAcceptancePatterns;
+
+    aGuard.changeReadToWrite();
+
+    try
+    {
+        const_cast<LocaleDataWrapper*>(this)->aDateAcceptancePatterns =
+            xLD->getDateAcceptancePatterns( getMyLocale() );
+        return aDateAcceptancePatterns;
+    }
+    catch (const Exception&)
+    {
+        TOOLS_WARN_EXCEPTION( "unotools.i18n", "getDateAcceptancePatterns" );
+    }
+    return css::uno::Sequence< OUString >(0);
+}
+
+// --- Override layer --------------------------------------------------------
+
+void LocaleDataWrapper::setDateAcceptancePatterns(
+        const css::uno::Sequence< OUString > & rPatterns )
+{
+    ::utl::ReadWriteGuard aGuard( aMutex, ReadWriteGuardMode::Write );
+
+    if (!aDateAcceptancePatterns.hasElements() || !rPatterns.hasElements())
+    {
+        try
+        {
+            aDateAcceptancePatterns = xLD->getDateAcceptancePatterns( getMyLocale() );
+        }
+        catch (const Exception&)
+        {
+            TOOLS_WARN_EXCEPTION( "unotools.i18n", "setDateAcceptancePatterns" );
+        }
+        if (!rPatterns.hasElements())
+            return;     // just a reset
+        if (!aDateAcceptancePatterns.hasElements())
+        {
+            aDateAcceptancePatterns = rPatterns;
+            return;
+        }
+    }
+
+    // Never overwrite the locale's full date pattern! The first.
+    if (aDateAcceptancePatterns[0] == rPatterns[0])
+        aDateAcceptancePatterns = rPatterns;    // sane
+    else
+    {
+        // Copy existing full date pattern and append the sequence passed.
+        /* TODO: could check for duplicates and shrink target sequence */
+        Sequence< OUString > aTmp( rPatterns.getLength() + 1 );
+        aTmp[0] = aDateAcceptancePatterns[0];
+        std::copy(rPatterns.begin(), rPatterns.end(), std::next(aTmp.begin()));
+        aDateAcceptancePatterns = aTmp;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */