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Diffstat (limited to 'svx/source/unodraw/UnoNamespaceMap.cxx')
-rw-r--r-- | svx/source/unodraw/UnoNamespaceMap.cxx | 275 |
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..88c69e4c6 --- /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() + throw() + { + Sequence<OUString> aSupportedServiceNames { "com.sun.star.xml.NamespaceMap" }; + return aSupportedServiceNames; + } + + static OUString NamespaceMap_getImplementationName() + throw() + { + 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 makeAny( 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: */ |