1 files changed, 275 insertions, 0 deletions
diff --git a/svx/source/unodraw/UnoNamespaceMap.cxx b/svx/source/unodraw/UnoNamespaceMap.cxx
new file mode 100644
index 000000000..cd49cc0a6
--- /dev/null
+++ b/svx/source/unodraw/UnoNamespaceMap.cxx
@@ -0,0 +1,275 @@
+/* -*- 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 <climits>
+#include <set>
+
+#include <svx/UnoNamespaceMap.hxx>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+
+#include <comphelper/sequence.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <svl/itempool.hxx>
+#include <editeng/xmlcnitm.hxx>
+
+using namespace ::cppu;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::lang;
+
+namespace svx
+{
+    namespace {
+
+    /** implements a component to export namespaces of all SvXMLAttrContainerItem inside
+        one or two pools with a variable count of which ids.
+    */
+    class NamespaceMap : public WeakImplHelper< XNameAccess, XServiceInfo >
+    {
+    private:
+        sal_uInt16* mpWhichIds;
+        SfxItemPool* mpPool;
+
+    public:
+        NamespaceMap( sal_uInt16* pWhichIds, SfxItemPool* pPool );
+
+        // XNameAccess
+        virtual Any SAL_CALL getByName( const OUString& aName ) override;
+        virtual Sequence< OUString > SAL_CALL getElementNames(  ) override;
+        virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override;
+
+        // XElementAccess
+        virtual Type SAL_CALL getElementType(  ) override;
+        virtual sal_Bool SAL_CALL hasElements(  ) override;
+
+        // XServiceInfo
+        virtual OUString SAL_CALL getImplementationName(  ) override;
+        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+        virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
+    };
+
+    }
+
+    Reference< XInterface > NamespaceMap_createInstance( sal_uInt16* pWhichIds, SfxItemPool* pPool )
+    {
+        return static_cast<XWeak*>(new NamespaceMap( pWhichIds, pPool ));
+    }
+
+    static Sequence< OUString > NamespaceMap_getSupportedServiceNames()
+        noexcept
+    {
+        Sequence<OUString> aSupportedServiceNames { "com.sun.star.xml.NamespaceMap" };
+        return aSupportedServiceNames;
+    }
+
+    static OUString NamespaceMap_getImplementationName()
+        noexcept
+    {
+        return "com.sun.star.comp.Svx.NamespaceMap";
+    }
+
+    namespace {
+
+    class NamespaceIteratorImpl
+    {
+    private:
+        SfxItemPool* mpPool;
+
+        sal_uInt16* mpWhichId;
+
+        std::vector<const SvXMLAttrContainerItem*> mvItems;
+        sal_Int32 mnItem;
+
+        const SvXMLAttrContainerItem* mpCurrentAttr;
+        sal_uInt16 mnCurrentAttr;
+
+    public:
+
+        NamespaceIteratorImpl( sal_uInt16* pWhichIds, SfxItemPool* pPool );
+
+        bool next( OUString& rPrefix, OUString& rURL );
+    };
+
+    }
+}
+
+using namespace ::svx;
+
+
+NamespaceIteratorImpl::NamespaceIteratorImpl( sal_uInt16* pWhichIds, SfxItemPool* pPool )
+{
+    mpPool = pPool;
+    mpCurrentAttr = nullptr;
+    mnCurrentAttr = 0;
+
+    mpWhichId = pWhichIds;
+
+    mnItem = -1;
+    if (mpWhichId && (0 != *mpWhichId) && mpPool)
+    {
+        mvItems.reserve(mpPool->GetItemCount2( *mpWhichId ));
+        for (const SfxPoolItem* pItem : mpPool->GetItemSurrogates( *mpWhichId ))
+            mvItems.push_back(static_cast<const SvXMLAttrContainerItem*>(pItem));
+    }
+}
+
+bool NamespaceIteratorImpl::next( OUString& rPrefix, OUString& rURL )
+{
+    // we still need to process the current attribute
+    if( mpCurrentAttr && (mnCurrentAttr != USHRT_MAX) )
+    {
+        rPrefix = mpCurrentAttr->GetPrefix( mnCurrentAttr );
+        rURL = mpCurrentAttr->GetNamespace( mnCurrentAttr );
+
+        mnCurrentAttr = mpCurrentAttr->GetNextNamespaceIndex( mnCurrentAttr );
+        return true;
+    }
+
+    // we need the next namespace item
+    mpCurrentAttr = nullptr;
+    mnItem++;
+
+    // are we finished with the current whichid?
+    if( mnItem == static_cast<sal_Int32>(mvItems.size()) )
+    {
+        mpWhichId++;
+
+        // are we finished with the current pool?
+        if( 0 == *mpWhichId )
+            return false;
+
+        mnItem = -1;
+        mvItems.clear();
+        if (mpPool)
+        {
+            mvItems.reserve(mpPool->GetItemCount2( *mpWhichId ));
+            for (const SfxPoolItem* pItem2 : mpPool->GetItemSurrogates( *mpWhichId ))
+                mvItems.push_back(static_cast<const SvXMLAttrContainerItem*>(pItem2));
+        }
+        return next( rPrefix, rURL );
+    }
+
+    auto pItem = mvItems[mnItem];
+    // get that item and see if there namespaces inside
+    if( pItem->GetAttrCount() > 0 )
+    {
+        mpCurrentAttr = pItem;
+        mnCurrentAttr = pItem->GetFirstNamespaceIndex();
+    }
+    return next( rPrefix, rURL );
+}
+
+
+NamespaceMap::NamespaceMap( sal_uInt16* pWhichIds, SfxItemPool* pPool )
+: mpWhichIds( pWhichIds ), mpPool( pPool )
+{
+}
+
+// XNameAccess
+Any SAL_CALL NamespaceMap::getByName( const OUString& aName )
+{
+    NamespaceIteratorImpl aIter( mpWhichIds, mpPool );
+
+    OUString aPrefix;
+    OUString aURL;
+
+    bool bFound;
+
+    do
+    {
+        bFound = aIter.next( aPrefix, aURL );
+    }
+    while( bFound && (aPrefix != aName ) );
+
+    if( !bFound )
+        throw NoSuchElementException();
+
+    return Any( aURL );
+}
+
+Sequence< OUString > SAL_CALL NamespaceMap::getElementNames()
+{
+    NamespaceIteratorImpl aIter( mpWhichIds, mpPool );
+
+    OUString aPrefix;
+    OUString aURL;
+
+    std::set< OUString > aPrefixSet;
+
+    while( aIter.next( aPrefix, aURL ) )
+        aPrefixSet.insert( aPrefix );
+
+    return comphelper::containerToSequence(aPrefixSet);
+}
+
+sal_Bool SAL_CALL NamespaceMap::hasByName( const OUString& aName )
+{
+    NamespaceIteratorImpl aIter( mpWhichIds, mpPool );
+
+    OUString aPrefix;
+    OUString aURL;
+
+    bool bFound;
+
+    do
+    {
+        bFound = aIter.next( aPrefix, aURL );
+    }
+    while( bFound && (aPrefix != aName ) );
+
+    return bFound;
+}
+
+// XElementAccess
+Type SAL_CALL NamespaceMap::getElementType()
+{
+    return ::cppu::UnoType<OUString>::get();
+}
+
+sal_Bool SAL_CALL NamespaceMap::hasElements()
+{
+    NamespaceIteratorImpl aIter( mpWhichIds, mpPool );
+
+    OUString aPrefix;
+    OUString aURL;
+
+    return aIter.next( aPrefix, aURL );
+}
+
+// XServiceInfo
+OUString SAL_CALL NamespaceMap::getImplementationName(  )
+{
+    return NamespaceMap_getImplementationName();
+}
+
+sal_Bool SAL_CALL NamespaceMap::supportsService( const OUString& serviceName )
+{
+    return cppu::supportsService( this, serviceName );
+}
+
+Sequence< OUString > SAL_CALL NamespaceMap::getSupportedServiceNames(  )
+{
+    return NamespaceMap_getSupportedServiceNames();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */