Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 1193 insertions, 0 deletions

diff --git a/stoc/source/defaultregistry/defaultregistry.cxx b/stoc/source/defaultregistry/defaultregistry.cxx
new file mode 100644
index 000000000..866648439
--- /dev/null
+++ b/stoc/source/defaultregistry/defaultregistry.cxx
@@ -0,0 +1,1193 @@
+/* -*- 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 <osl/mutex.hxx>
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/weak.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/implbase4.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <rtl/ref.hxx>
+
+#include <com/sun/star/registry/XSimpleRegistry.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+
+namespace com::sun::star::uno { class XComponentContext; }
+
+using namespace css::uno;
+using namespace css::registry;
+using namespace css::lang;
+using namespace css::container;
+using namespace cppu;
+using namespace osl;
+
+namespace {
+
+class NestedRegistryImpl    : public WeakAggImplHelper4 < XSimpleRegistry, XInitialization, XServiceInfo, XEnumerationAccess >
+{
+public:
+    NestedRegistryImpl( );
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName(  ) override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+
+    // XInitialization
+    virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) override;
+
+    // XSimpleRegistry
+    virtual OUString SAL_CALL getURL() override;
+    virtual void SAL_CALL open( const OUString& rURL, sal_Bool bReadOnly, sal_Bool bCreate ) override;
+    virtual sal_Bool SAL_CALL isValid(  ) override;
+    virtual void SAL_CALL close(  ) override;
+    virtual void SAL_CALL destroy(  ) override;
+    virtual Reference< XRegistryKey > SAL_CALL getRootKey(  ) override;
+    virtual sal_Bool SAL_CALL isReadOnly(  ) override;
+    virtual void SAL_CALL mergeKey( const OUString& aKeyName, const OUString& aUrl ) override;
+
+    // XEnumerationAccess
+    virtual Reference< XEnumeration > SAL_CALL createEnumeration(  ) override;
+    virtual Type SAL_CALL getElementType(  ) override;
+    virtual sal_Bool SAL_CALL hasElements(  ) override;
+
+    friend class NestedKeyImpl;
+protected:
+    Mutex                       m_mutex;
+    sal_uInt32                  m_state;
+    Reference<XSimpleRegistry>  m_localReg;
+    Reference<XSimpleRegistry>  m_defaultReg;
+
+};
+
+
+// class NestedKeyImpl the implementation of interface XRegistryKey
+
+class NestedKeyImpl : public WeakImplHelper< XRegistryKey >
+{
+public:
+    NestedKeyImpl( NestedRegistryImpl* pDefaultRegistry,
+                   Reference<XRegistryKey>& localKey,
+                   Reference<XRegistryKey>& defaultKey);
+
+    NestedKeyImpl( const OUString& aKeyName,
+                    NestedKeyImpl* pKey);
+
+    // XRegistryKey
+    virtual OUString SAL_CALL getKeyName() override;
+    virtual sal_Bool SAL_CALL isReadOnly(  ) override;
+    virtual sal_Bool SAL_CALL isValid(  ) override;
+    virtual RegistryKeyType SAL_CALL getKeyType( const OUString& rKeyName ) override;
+    virtual RegistryValueType SAL_CALL getValueType(  ) override;
+    virtual sal_Int32 SAL_CALL getLongValue(  ) override;
+    virtual void SAL_CALL setLongValue( sal_Int32 value ) override;
+    virtual Sequence< sal_Int32 > SAL_CALL getLongListValue(  ) override;
+    virtual void SAL_CALL setLongListValue( const css::uno::Sequence< sal_Int32 >& seqValue ) override;
+    virtual OUString SAL_CALL getAsciiValue(  ) override;
+    virtual void SAL_CALL setAsciiValue( const OUString& value ) override;
+    virtual Sequence< OUString > SAL_CALL getAsciiListValue(  ) override;
+    virtual void SAL_CALL setAsciiListValue( const css::uno::Sequence< OUString >& seqValue ) override;
+    virtual OUString SAL_CALL getStringValue(  ) override;
+    virtual void SAL_CALL setStringValue( const OUString& value ) override;
+    virtual Sequence< OUString > SAL_CALL getStringListValue(  ) override;
+    virtual void SAL_CALL setStringListValue( const css::uno::Sequence< OUString >& seqValue ) override;
+    virtual Sequence< sal_Int8 > SAL_CALL getBinaryValue(  ) override;
+    virtual void SAL_CALL setBinaryValue( const css::uno::Sequence< sal_Int8 >& value ) override;
+    virtual Reference< XRegistryKey > SAL_CALL openKey( const OUString& aKeyName ) override;
+    virtual Reference< XRegistryKey > SAL_CALL createKey( const OUString& aKeyName ) override;
+    virtual void SAL_CALL closeKey(  ) override;
+    virtual void SAL_CALL deleteKey( const OUString& rKeyName ) override;
+    virtual Sequence< Reference< XRegistryKey > > SAL_CALL openKeys(  ) override;
+    virtual Sequence< OUString > SAL_CALL getKeyNames(  ) override;
+    virtual sal_Bool SAL_CALL createLink( const OUString& aLinkName, const OUString& aLinkTarget ) override;
+    virtual void SAL_CALL deleteLink( const OUString& rLinkName ) override;
+    virtual OUString SAL_CALL getLinkTarget( const OUString& rLinkName ) override;
+    virtual OUString SAL_CALL getResolvedName( const OUString& aKeyName ) override;
+
+protected:
+    void        computeChanges();
+    OUString    computeName(const OUString& name);
+
+    OUString                    m_name;
+    sal_uInt32                  m_state;
+    rtl::Reference<NestedRegistryImpl> m_xRegistry;
+    Reference<XRegistryKey>     m_localKey;
+    Reference<XRegistryKey>     m_defaultKey;
+};
+
+
+NestedKeyImpl::NestedKeyImpl( NestedRegistryImpl* pDefaultRegistry,
+                              Reference<XRegistryKey>& localKey,
+                              Reference<XRegistryKey>& defaultKey )
+    : m_state(pDefaultRegistry->m_state), m_xRegistry(pDefaultRegistry), m_localKey(localKey), m_defaultKey(defaultKey)
+{
+    if (m_localKey.is())
+    {
+        m_name = m_localKey->getKeyName();
+    }
+    else if (m_defaultKey.is())
+    {
+        m_name = m_defaultKey->getKeyName();
+    }
+}
+
+
+NestedKeyImpl::NestedKeyImpl( const OUString& rKeyName,
+                              NestedKeyImpl* pKey)
+    : m_xRegistry(pKey->m_xRegistry)
+{
+    if (pKey->m_localKey.is() && pKey->m_localKey->isValid())
+    {
+        m_localKey = pKey->m_localKey->openKey(rKeyName);
+    }
+    if (pKey->m_defaultKey.is() && pKey->m_defaultKey->isValid())
+    {
+        m_defaultKey = pKey->m_defaultKey->openKey(rKeyName);
+    }
+
+    if (m_localKey.is())
+    {
+        m_name = m_localKey->getKeyName();
+    }
+    else if (m_defaultKey.is())
+    {
+        m_name = m_defaultKey->getKeyName();
+    }
+
+    m_state = m_xRegistry->m_state;
+}
+
+void NestedKeyImpl::computeChanges()
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( m_state == m_xRegistry->m_state )
+        return;
+
+    Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+
+    Reference<XRegistryKey> tmpKey = rootKey->openKey(m_name);
+
+    if ( tmpKey.is() )
+    {
+        m_localKey = rootKey->openKey(m_name);
+    }
+
+    m_state = m_xRegistry->m_state;
+}
+
+
+// NestedKey_Impl::computeName()
+
+OUString NestedKeyImpl::computeName(const OUString& name)
+{
+    OUString resLocalName, resDefaultName;
+
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    try
+    {
+        if ( m_localKey.is() && m_localKey->isValid() )
+        {
+            resLocalName = m_localKey->getResolvedName(name);
+        }
+        else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+        {
+            return m_defaultKey->getResolvedName(name);
+        }
+
+        if ( !resLocalName.isEmpty() && m_xRegistry->m_defaultReg->isValid() )
+        {
+            Reference<XRegistryKey> localRoot(m_xRegistry->m_localReg->getRootKey());
+            Reference<XRegistryKey> defaultRoot(m_xRegistry->m_defaultReg->getRootKey());
+
+            resDefaultName = defaultRoot->getResolvedName(resLocalName);
+
+            sal_uInt32 count = 100;
+
+            while (resLocalName != resDefaultName && count > 0)
+            {
+                count--;
+
+                if (resLocalName.isEmpty() || resDefaultName.isEmpty())
+                    throw InvalidRegistryException();
+
+                resLocalName = localRoot->getResolvedName(resDefaultName);
+                resDefaultName = defaultRoot->getResolvedName(resLocalName);
+            }
+        }
+    }
+    catch(InvalidRegistryException& )
+    {
+    }
+
+    return resLocalName;
+}
+
+
+OUString SAL_CALL NestedKeyImpl::getKeyName()
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    return m_name;
+}
+
+
+sal_Bool SAL_CALL NestedKeyImpl::isReadOnly(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( !m_localKey.is() || !m_localKey->isValid() )
+        throw InvalidRegistryException();
+
+    return m_localKey->isReadOnly();
+}
+
+
+sal_Bool SAL_CALL NestedKeyImpl::isValid(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    return ((m_localKey.is() && m_localKey->isValid()) ||
+            (m_defaultKey.is() && m_defaultKey->isValid()) );
+}
+
+
+RegistryKeyType SAL_CALL NestedKeyImpl::getKeyType( const OUString& rKeyName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getKeyType(rKeyName);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getKeyType(rKeyName);
+    }
+
+    return RegistryKeyType_KEY;
+}
+
+
+RegistryValueType SAL_CALL NestedKeyImpl::getValueType(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getValueType();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getValueType();
+    }
+
+    return RegistryValueType_NOT_DEFINED;
+}
+
+
+sal_Int32 SAL_CALL NestedKeyImpl::getLongValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getLongValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getLongValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setLongValue( sal_Int32 value )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setLongValue(value);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setLongValue(value);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+Sequence< sal_Int32 > SAL_CALL NestedKeyImpl::getLongListValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getLongListValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getLongListValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setLongListValue( const Sequence< sal_Int32 >& seqValue )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setLongListValue(seqValue);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setLongListValue(seqValue);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+OUString SAL_CALL NestedKeyImpl::getAsciiValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getAsciiValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getAsciiValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setAsciiValue( const OUString& value )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setAsciiValue(value);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setAsciiValue(value);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+Sequence< OUString > SAL_CALL NestedKeyImpl::getAsciiListValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getAsciiListValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getAsciiListValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setAsciiListValue( const Sequence< OUString >& seqValue )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setAsciiListValue(seqValue);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setAsciiListValue(seqValue);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+OUString SAL_CALL NestedKeyImpl::getStringValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getStringValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getStringValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setStringValue( const OUString& value )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setStringValue(value);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setStringValue(value);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+Sequence< OUString > SAL_CALL NestedKeyImpl::getStringListValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getStringListValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getStringListValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setStringListValue( const Sequence< OUString >& seqValue )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setStringListValue(seqValue);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setStringListValue(seqValue);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+Sequence< sal_Int8 > SAL_CALL NestedKeyImpl::getBinaryValue(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        return m_localKey->getBinaryValue();
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        return m_defaultKey->getBinaryValue();
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::setBinaryValue( const Sequence< sal_Int8 >& value )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    computeChanges();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->setBinaryValue(value);
+    }
+    else if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+        m_localKey = rootKey->createKey(m_name);
+        m_localKey->setBinaryValue(value);
+        m_state = m_xRegistry->m_state++;
+    }
+    else
+    {
+        throw InvalidRegistryException();
+    }
+}
+
+
+Reference< XRegistryKey > SAL_CALL NestedKeyImpl::openKey( const OUString& aKeyName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString resolvedName = computeName(aKeyName);
+
+    if ( resolvedName.isEmpty() )
+        throw InvalidRegistryException();
+
+    Reference<XRegistryKey> localKey, defaultKey;
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        localKey = m_xRegistry->m_localReg->getRootKey()->openKey(resolvedName);
+    }
+    if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        defaultKey = m_xRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);
+    }
+
+    if ( localKey.is() || defaultKey.is() )
+    {
+        return new NestedKeyImpl(m_xRegistry.get(), localKey, defaultKey);
+    }
+    else
+    {
+        return Reference<XRegistryKey>();
+    }
+}
+
+
+Reference< XRegistryKey > SAL_CALL NestedKeyImpl::createKey( const OUString& aKeyName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( (!m_localKey.is() && !m_defaultKey.is()) ||
+         (m_localKey.is() && m_localKey->isReadOnly()) )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString resolvedName = computeName(aKeyName);
+
+    if ( resolvedName.isEmpty() )
+        throw InvalidRegistryException();
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        Reference<XRegistryKey> localKey, defaultKey;
+
+        localKey = m_xRegistry->m_localReg->getRootKey()->createKey(resolvedName);
+        if ( localKey.is() )
+        {
+            if ( m_defaultKey.is() && m_defaultKey->isValid() )
+            {
+                defaultKey = m_xRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);
+            }
+
+            m_state = m_xRegistry->m_state++;
+
+            return new NestedKeyImpl(m_xRegistry.get(), localKey, defaultKey);
+        }
+    }
+    else
+    {
+        Reference<XRegistryKey> localKey, defaultKey;
+
+        if ( m_defaultKey.is() && m_defaultKey->isValid() )
+        {
+            Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+            m_localKey = rootKey->createKey(m_name);
+
+            localKey = m_xRegistry->m_localReg->getRootKey()->createKey(resolvedName);
+
+            if ( localKey.is() )
+            {
+                defaultKey = m_xRegistry->m_defaultReg->getRootKey()->openKey(resolvedName);
+
+                m_state = m_xRegistry->m_state++;
+
+                return new NestedKeyImpl(m_xRegistry.get(), localKey, defaultKey);
+            }
+        }
+    }
+
+    return Reference<XRegistryKey>();
+}
+
+
+void SAL_CALL NestedKeyImpl::closeKey(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        m_localKey->closeKey();
+    }
+    if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        m_defaultKey->closeKey();
+    }
+}
+
+
+void SAL_CALL NestedKeyImpl::deleteKey( const OUString& rKeyName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() || !m_localKey->isValid() ||
+         m_localKey->isReadOnly() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString resolvedName = computeName(rKeyName);
+
+    if ( resolvedName.isEmpty() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    m_xRegistry->m_localReg->getRootKey()->deleteKey(resolvedName);
+}
+
+
+Sequence< Reference< XRegistryKey > > SAL_CALL NestedKeyImpl::openKeys(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    Sequence<OUString> localSeq, defaultSeq;
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        localSeq = m_localKey->getKeyNames();
+    }
+    if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        defaultSeq = m_defaultKey->getKeyNames();
+    }
+
+    std::vector< Reference<XRegistryKey> > retVec;
+    retVec.reserve(localSeq.getLength() + defaultSeq.getLength());
+
+    auto lKeyNameToRegKey = [this](const OUString& rName) -> Reference<XRegistryKey> {
+        sal_Int32 lastIndex = rName.lastIndexOf('/');
+        OUString name = rName.copy(lastIndex);
+        return new NestedKeyImpl(name, this);
+    };
+
+    for (const auto& rKeyName : std::as_const(localSeq))
+        retVec.push_back(lKeyNameToRegKey(rKeyName));
+
+    for (const auto& rKeyName : std::as_const(defaultSeq))
+    {
+        if ( comphelper::findValue(localSeq, rKeyName) == -1 )
+        {
+            retVec.push_back(lKeyNameToRegKey(rKeyName));
+        }
+    }
+
+    return comphelper::containerToSequence(retVec);
+}
+
+
+Sequence< OUString > SAL_CALL NestedKeyImpl::getKeyNames(  )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    Sequence<OUString> localSeq, defaultSeq;
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        localSeq = m_localKey->getKeyNames();
+    }
+    if ( m_defaultKey.is() && m_defaultKey->isValid() )
+    {
+        defaultSeq = m_defaultKey->getKeyNames();
+    }
+
+    return comphelper::combineSequences(localSeq, defaultSeq);
+}
+
+
+sal_Bool SAL_CALL NestedKeyImpl::createLink( const OUString& aLinkName, const OUString& aLinkTarget )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+
+    bool isCreated = false;
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString    resolvedName;
+    sal_Int32   lastIndex = aLinkName.lastIndexOf('/');
+
+    if ( lastIndex > 0 )
+    {
+        OUString linkName = aLinkName.copy(0, lastIndex);
+
+        resolvedName = computeName(linkName);
+
+        if ( resolvedName.isEmpty() )
+        {
+            throw InvalidRegistryException();
+        }
+
+        resolvedName += aLinkName.subView(lastIndex);
+    }
+    else
+    {
+        if ( lastIndex == 0 )
+            resolvedName = m_name + aLinkName;
+        else
+            resolvedName = m_name + "/" + aLinkName;
+    }
+
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        isCreated = m_xRegistry->m_localReg->getRootKey()->createLink(resolvedName, aLinkTarget);
+    }
+    else
+    {
+        if ( m_defaultKey.is() && m_defaultKey->isValid() )
+        {
+            Reference<XRegistryKey> rootKey(m_xRegistry->m_localReg->getRootKey());
+            m_localKey = rootKey->createKey(m_name);
+
+            isCreated = m_xRegistry->m_localReg->getRootKey()->createLink(resolvedName, aLinkTarget);
+        }
+    }
+
+    if ( isCreated )
+        m_state = m_xRegistry->m_state++;
+
+    return isCreated;
+}
+
+
+void SAL_CALL NestedKeyImpl::deleteLink( const OUString& rLinkName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString    resolvedName;
+    sal_Int32   lastIndex = rLinkName.lastIndexOf('/');
+
+    if ( lastIndex > 0 )
+    {
+        OUString linkName = rLinkName.copy(0, lastIndex);
+
+        resolvedName = computeName(linkName);
+
+        if ( resolvedName.isEmpty() )
+        {
+            throw InvalidRegistryException();
+        }
+
+        resolvedName += rLinkName.subView(lastIndex);
+    }
+    else
+    {
+        if ( lastIndex == 0 )
+            resolvedName = m_name + rLinkName;
+        else
+            resolvedName = m_name + "/" + rLinkName;
+    }
+
+    if ( !m_localKey.is() || !m_localKey->isValid() ||
+         m_localKey->isReadOnly() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    m_xRegistry->m_localReg->getRootKey()->deleteLink(resolvedName);
+}
+
+
+OUString SAL_CALL NestedKeyImpl::getLinkTarget( const OUString& rLinkName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString    resolvedName;
+    sal_Int32   lastIndex = rLinkName.lastIndexOf('/');
+
+    if ( lastIndex > 0 )
+    {
+        OUString linkName = rLinkName.copy(0, lastIndex);
+
+        resolvedName = computeName(linkName);
+
+        if ( resolvedName.isEmpty() )
+        {
+            throw InvalidRegistryException();
+        }
+
+        resolvedName += rLinkName.subView(lastIndex);
+    }
+    else
+    {
+        if ( lastIndex == 0 )
+            resolvedName = m_name + rLinkName;
+        else
+            resolvedName = m_name + "/" + rLinkName;
+    }
+
+    OUString linkTarget;
+    if ( m_localKey.is() && m_localKey->isValid() )
+    {
+        try
+        {
+            linkTarget = m_xRegistry->m_localReg->getRootKey()->getLinkTarget(resolvedName);
+            return linkTarget;
+        }
+        catch(InvalidRegistryException& )
+        {
+        }
+    }
+
+    if ( m_defaultKey.is() && m_defaultKey->isValid() )
+        linkTarget = m_xRegistry->m_defaultReg->getRootKey()->getLinkTarget(resolvedName);
+
+    return linkTarget;
+}
+
+
+OUString SAL_CALL NestedKeyImpl::getResolvedName( const OUString& aKeyName )
+{
+    Guard< Mutex > aGuard( m_xRegistry->m_mutex );
+    if ( !m_localKey.is() && !m_defaultKey.is() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    OUString resolvedName = computeName(aKeyName);
+
+    if ( resolvedName.isEmpty() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    return resolvedName;
+}
+
+
+// DefaultRegistry Implementation
+
+
+NestedRegistryImpl::NestedRegistryImpl( )
+    : m_state(0)
+{}
+
+class RegistryEnumueration : public WeakImplHelper< XEnumeration >
+{
+public:
+    RegistryEnumueration(
+        const Reference< XSimpleRegistry > &r1,
+        const Reference< XSimpleRegistry > &r2 )
+        : m_xReg1( r1 ) , m_xReg2( r2 )
+        {}
+public:
+    virtual sal_Bool SAL_CALL hasMoreElements(  ) override;
+    virtual Any SAL_CALL nextElement(  ) override;
+
+private:
+    Reference< XSimpleRegistry > m_xReg1;
+    Reference< XSimpleRegistry > m_xReg2;
+};
+
+sal_Bool RegistryEnumueration::hasMoreElements(  )
+{
+    return m_xReg1.is() || m_xReg2.is();
+}
+
+Any RegistryEnumueration::nextElement(  )
+{
+    Any a;
+    if( m_xReg1.is() )
+    {
+        a <<= m_xReg1;
+        m_xReg1.clear();
+    }
+    else if( m_xReg2.is() )
+    {
+        a <<= m_xReg2;
+        m_xReg2.clear();
+    }
+    else
+    {
+        throw NoSuchElementException( "NestedRegistry: no nextElement() !" );
+    }
+    return a;
+}
+
+
+Reference< XEnumeration > NestedRegistryImpl::createEnumeration(  )
+{
+    MutexGuard guard( m_mutex );
+    return new RegistryEnumueration( m_localReg, m_defaultReg );
+}
+
+Type NestedRegistryImpl::getElementType(  )
+{
+    return cppu::UnoType<decltype(m_localReg)>::get();
+}
+
+sal_Bool SAL_CALL NestedRegistryImpl::hasElements(  )
+{
+    MutexGuard guard( m_mutex );
+    return m_localReg.is() || m_defaultReg.is();
+}
+
+
+OUString SAL_CALL NestedRegistryImpl::getImplementationName(  )
+{
+    return "com.sun.star.comp.stoc.NestedRegistry";
+}
+
+sal_Bool SAL_CALL NestedRegistryImpl::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence<OUString> SAL_CALL NestedRegistryImpl::getSupportedServiceNames(  )
+{
+    Sequence< OUString > seqNames { "com.sun.star.registry.NestedRegistry" };
+    return seqNames;
+}
+
+
+void SAL_CALL NestedRegistryImpl::initialize( const Sequence< Any >& aArguments )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    if ( (aArguments.getLength() == 2) &&
+         (aArguments[0].getValueType().getTypeClass() == TypeClass_INTERFACE) &&
+         (aArguments[1].getValueType().getTypeClass() == TypeClass_INTERFACE) )
+    {
+        aArguments[0] >>= m_localReg;
+        aArguments[1] >>= m_defaultReg;
+        if ( m_localReg == m_defaultReg )
+            m_defaultReg.clear();
+    }
+}
+
+
+OUString SAL_CALL NestedRegistryImpl::getURL()
+{
+    Guard< Mutex > aGuard( m_mutex );
+    try
+    {
+        if ( m_localReg.is() && m_localReg->isValid() )
+            return m_localReg->getURL();
+    }
+    catch(InvalidRegistryException& )
+    {
+    }
+
+    return OUString();
+}
+
+
+void SAL_CALL NestedRegistryImpl::open( const OUString&, sal_Bool, sal_Bool )
+{
+    throw InvalidRegistryException(
+            "the 'open' method is not specified for a nested registry" );
+}
+
+
+sal_Bool SAL_CALL NestedRegistryImpl::isValid(  )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    try
+    {
+        if ( (m_localReg.is() && m_localReg->isValid()) ||
+             (m_defaultReg.is() && m_defaultReg->isValid()) )
+            return true;
+    }
+    catch(InvalidRegistryException& )
+    {
+    }
+
+    return false;
+}
+
+
+void SAL_CALL NestedRegistryImpl::close(  )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    if ( m_localReg.is() && m_localReg->isValid() )
+    {
+        m_localReg->close();
+    }
+    if ( m_defaultReg.is() && m_defaultReg->isValid() )
+    {
+        m_defaultReg->close();
+    }
+}
+
+
+void SAL_CALL NestedRegistryImpl::destroy(  )
+{
+    throw InvalidRegistryException(
+            "the 'destroy' method is not specified for a nested registry" );
+}
+
+
+Reference< XRegistryKey > SAL_CALL NestedRegistryImpl::getRootKey(  )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    if ( !m_localReg.is() || !m_localReg->isValid() )
+    {
+        throw InvalidRegistryException();
+    }
+
+    Reference<XRegistryKey> localKey, defaultKey;
+
+    localKey = m_localReg->getRootKey();
+
+    if ( localKey.is() )
+    {
+        if ( m_defaultReg.is() && m_defaultReg->isValid() )
+        {
+            defaultKey = m_defaultReg->getRootKey();
+        }
+
+        return new NestedKeyImpl(this, localKey, defaultKey);
+    }
+
+    return Reference<XRegistryKey>();
+}
+
+
+sal_Bool SAL_CALL NestedRegistryImpl::isReadOnly(  )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    try
+    {
+        if ( m_localReg.is() && m_localReg->isValid() )
+            return m_localReg->isReadOnly();
+    }
+    catch(InvalidRegistryException& )
+    {
+    }
+
+    return false;
+}
+
+
+void SAL_CALL NestedRegistryImpl::mergeKey( const OUString& aKeyName, const OUString& aUrl )
+{
+    Guard< Mutex > aGuard( m_mutex );
+    if ( m_localReg.is() && m_localReg->isValid() )
+    {
+        m_localReg->mergeKey(aKeyName, aUrl);
+
+        m_state++;
+    }
+}
+
+} // namespace
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_stoc_NestedRegistry_get_implementation(
+    SAL_UNUSED_PARAMETER css::uno::XComponentContext *,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new NestedRegistryImpl);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */