3823e81c25
Change-Id: I15779eca607f27a758575f4f095910277aa85eda Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116377 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
717 lines
24 KiB
C++
717 lines
24 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/io/XStream.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/embed/XTransactedObject.hpp>
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#include <com/sun/star/embed/ElementModes.hpp>
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#include <com/sun/star/embed/XEmbeddedObject.hpp>
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#include <com/sun/star/embed/XEmbedPersist.hpp>
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#include <com/sun/star/embed/EmbedStates.hpp>
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#include <com/sun/star/embed/Aspects.hpp>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <sot/storage.hxx>
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#include <tools/debug.hxx>
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#include <sal/log.hxx>
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#include <unotools/streamwrap.hxx>
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#include <unotools/tempfile.hxx>
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#include <svtools/embedhlp.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <comphelper/storagehelper.hxx>
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#include <comphelper/embeddedobjectcontainer.hxx>
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#include <comphelper/fileformat.h>
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#include <cppuhelper/exc_hlp.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <svx/xmleohlp.hxx>
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#include <map>
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#include <memory>
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#include <string_view>
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using namespace ::osl;
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using namespace ::cppu;
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using namespace ::utl;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::document;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::lang;
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#define XML_CONTAINERSTORAGE_NAME_60 "Pictures"
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#define XML_CONTAINERSTORAGE_NAME "ObjectReplacements"
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#define XML_EMBEDDEDOBJECT_URL_BASE "vnd.sun.star.EmbeddedObject:"
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#define XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE "vnd.sun.star.GraphicObject:"
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class OutputStorageWrapper_Impl : public ::cppu::WeakImplHelper<XOutputStream>
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{
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::osl::Mutex maMutex;
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Reference < XOutputStream > xOut;
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TempFile aTempFile;
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bool bStreamClosed : 1;
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SvStream* pStream;
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public:
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OutputStorageWrapper_Impl();
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// css::io::XOutputStream
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virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData) override;
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virtual void SAL_CALL flush() override;
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virtual void SAL_CALL closeOutput() override;
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SvStream* GetStream();
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};
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OutputStorageWrapper_Impl::OutputStorageWrapper_Impl()
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: bStreamClosed( false )
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, pStream(nullptr)
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{
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aTempFile.EnableKillingFile();
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pStream = aTempFile.GetStream( StreamMode::READWRITE );
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xOut = new OOutputStreamWrapper( *pStream );
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}
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SvStream *OutputStorageWrapper_Impl::GetStream()
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{
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if( bStreamClosed )
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return pStream;
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return nullptr;
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}
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void SAL_CALL OutputStorageWrapper_Impl::writeBytes(
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const Sequence< sal_Int8 >& aData)
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{
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MutexGuard aGuard( maMutex );
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xOut->writeBytes( aData );
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}
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void SAL_CALL OutputStorageWrapper_Impl::flush()
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{
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MutexGuard aGuard( maMutex );
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xOut->flush();
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}
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void SAL_CALL OutputStorageWrapper_Impl::closeOutput()
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{
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MutexGuard aGuard( maMutex );
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xOut->closeOutput();
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bStreamClosed = true;
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}
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const std::u16string_view gaReplacementGraphicsContainerStorageName( u"" XML_CONTAINERSTORAGE_NAME );
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const std::u16string_view gaReplacementGraphicsContainerStorageName60( u"" XML_CONTAINERSTORAGE_NAME_60 );
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SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper() :
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WeakComponentImplHelper< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
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mpDocPersist( nullptr ),
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meCreateMode( SvXMLEmbeddedObjectHelperMode::Read )
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{
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}
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SvXMLEmbeddedObjectHelper::SvXMLEmbeddedObjectHelper( ::comphelper::IEmbeddedHelper& rDocPersist, SvXMLEmbeddedObjectHelperMode eCreateMode ) :
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WeakComponentImplHelper< XEmbeddedObjectResolver, XNameAccess >( maMutex ),
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mpDocPersist( nullptr ),
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meCreateMode( SvXMLEmbeddedObjectHelperMode::Read )
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{
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Init( nullptr, rDocPersist, eCreateMode );
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}
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SvXMLEmbeddedObjectHelper::~SvXMLEmbeddedObjectHelper()
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{
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}
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void SAL_CALL SvXMLEmbeddedObjectHelper::disposing()
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{
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if( mxTempStorage.is() )
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{
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mxTempStorage->dispose();
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}
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}
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void SvXMLEmbeddedObjectHelper::splitObjectURL(const OUString& _aURLNoPar,
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OUString& rContainerStorageName,
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OUString& rObjectStorageName)
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{
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DBG_ASSERT(_aURLNoPar.isEmpty() || '#' != _aURLNoPar[0], "invalid object URL" );
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OUString aURLNoPar = _aURLNoPar;
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sal_Int32 _nPos = aURLNoPar.lastIndexOf( '/' );
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if( -1 == _nPos )
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{
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rContainerStorageName.clear();
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rObjectStorageName = aURLNoPar;
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}
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else
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{
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//eliminate 'superfluous' slashes at start and end
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//#i103076# load objects with all allowed xlink:href syntaxes
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{
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//eliminate './' at start
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sal_Int32 nStart = 0;
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sal_Int32 nCount = aURLNoPar.getLength();
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if( aURLNoPar.startsWith( "./" ) )
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{
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nStart = 2;
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nCount -= 2;
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}
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//eliminate '/' at end
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sal_Int32 nEnd = aURLNoPar.lastIndexOf( '/' );
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if( nEnd == aURLNoPar.getLength()-1 && nEnd != (nStart-1) )
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nCount--;
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aURLNoPar = aURLNoPar.copy( nStart, nCount );
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}
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_nPos = aURLNoPar.lastIndexOf( '/' );
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if( _nPos >= 0 )
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rContainerStorageName = aURLNoPar.copy( 0, _nPos );
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rObjectStorageName = aURLNoPar.copy( _nPos+1 );
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}
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}
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bool SvXMLEmbeddedObjectHelper::ImplGetStorageNames(
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const OUString& rURLStr,
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OUString& rContainerStorageName,
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OUString& rObjectStorageName,
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bool bInternalToExternal,
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bool *pGraphicRepl,
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bool *pOasisFormat ) const
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{
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// internal URL: vnd.sun.star.EmbeddedObject:<object-name>
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// or: vnd.sun.star.EmbeddedObject:<path>/<object-name>
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// internal replacement images:
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// vnd.sun.star.EmbeddedObjectGraphic:<object-name>
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// or: vnd.sun.star.EmbeddedObjectGraphic:<path>/<object-name>
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// external URL: ./<path>/<object-name>
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// or: <path>/<object-name>
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// or: <object-name>
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// currently, path may only consist of a single directory name
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// it is also possible to have additional arguments at the end of URL: <main URL>[?<name>=<value>[,<name>=<value>]*]
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if( pGraphicRepl )
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*pGraphicRepl = false;
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if( pOasisFormat )
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*pOasisFormat = true; // the default value
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if( rURLStr.isEmpty() )
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return false;
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// get rid of arguments
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sal_Int32 nPos = rURLStr.indexOf( '?' );
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OUString aURLNoPar;
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if ( nPos == -1 )
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aURLNoPar = rURLStr;
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else
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{
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aURLNoPar = rURLStr.copy( 0, nPos );
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// check the arguments
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nPos++;
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while( nPos >= 0 && nPos < rURLStr.getLength() )
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{
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OUString aToken = rURLStr.getToken( 0, ',', nPos );
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if ( aToken.equalsIgnoreAsciiCase( "oasis=false" ) )
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{
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if ( pOasisFormat )
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*pOasisFormat = false;
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break;
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}
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else
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{
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SAL_WARN( "svx", "invalid arguments was found in URL!" );
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}
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}
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}
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if( bInternalToExternal )
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{
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nPos = aURLNoPar.indexOf( ':' );
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if( -1 == nPos )
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return false;
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bool bObjUrl = aURLNoPar.startsWith( XML_EMBEDDEDOBJECT_URL_BASE );
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bool bGrUrl = !bObjUrl &&
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aURLNoPar.startsWith( XML_EMBEDDEDOBJECTGRAPHIC_URL_BASE );
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if( !(bObjUrl || bGrUrl) )
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return false;
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sal_Int32 nPathStart = nPos + 1;
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nPos = aURLNoPar.lastIndexOf( '/' );
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if( -1 == nPos )
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{
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rContainerStorageName.clear();
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rObjectStorageName = aURLNoPar.copy( nPathStart );
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}
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else if( nPos > nPathStart )
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{
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rContainerStorageName = aURLNoPar.copy( nPathStart, nPos-nPathStart);
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rObjectStorageName = aURLNoPar.copy( nPos+1 );
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}
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else
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return false;
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if( bGrUrl )
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{
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bool bOASIS = mxRootStorage.is() &&
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( SotStorage::GetVersion( mxRootStorage ) > SOFFICE_FILEFORMAT_60 );
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rContainerStorageName = bOASIS
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? gaReplacementGraphicsContainerStorageName
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: gaReplacementGraphicsContainerStorageName60;
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if( pGraphicRepl )
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*pGraphicRepl = true;
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}
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}
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else
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{
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splitObjectURL(aURLNoPar, rContainerStorageName, rObjectStorageName);
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}
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if( -1 != rContainerStorageName.indexOf( '/' ) )
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{
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OSL_FAIL( "SvXMLEmbeddedObjectHelper: invalid path name" );
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return false;
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}
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return true;
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}
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uno::Reference < embed::XStorage > const & SvXMLEmbeddedObjectHelper::ImplGetContainerStorage(
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const OUString& rStorageName )
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{
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DBG_ASSERT( -1 == rStorageName.indexOf( '/' ) &&
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-1 == rStorageName.indexOf( '\\' ),
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"nested embedded storages aren't supported" );
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if( !mxContainerStorage.is() ||
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( rStorageName != maCurContainerStorageName ) )
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{
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if( mxContainerStorage.is() &&
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!maCurContainerStorageName.isEmpty() &&
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SvXMLEmbeddedObjectHelperMode::Write == meCreateMode )
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{
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uno::Reference < embed::XTransactedObject > xTrans( mxContainerStorage, uno::UNO_QUERY );
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if ( xTrans.is() )
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xTrans->commit();
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}
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if( !rStorageName.isEmpty() && mxRootStorage.is() )
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{
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sal_Int32 nMode = SvXMLEmbeddedObjectHelperMode::Write == meCreateMode
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? ::embed::ElementModes::READWRITE
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: ::embed::ElementModes::READ;
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mxContainerStorage = mxRootStorage->openStorageElement( rStorageName,
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nMode );
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}
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else
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{
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mxContainerStorage = mxRootStorage;
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}
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maCurContainerStorageName = rStorageName;
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}
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return mxContainerStorage;
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}
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void SvXMLEmbeddedObjectHelper::ImplReadObject(
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const OUString& rContainerStorageName,
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OUString& rObjName,
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const SvGlobalName *, // pClassId, see "TODO/LATER" below
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SvStream* pTemp )
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{
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uno::Reference < embed::XStorage > xDocStor( mpDocPersist->getStorage() );
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uno::Reference < embed::XStorage > xCntnrStor( ImplGetContainerStorage( rContainerStorageName ) );
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if( !xCntnrStor.is() && !pTemp )
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return;
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OUString aSrcObjName( rObjName );
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comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
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// Is the object name unique?
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// if the object is already instantiated by GetEmbeddedObject
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// that means that the duplication is being loaded
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bool bDuplicate = rContainer.HasInstantiatedEmbeddedObject( rObjName );
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DBG_ASSERT( !bDuplicate, "An object in the document is referenced twice!" );
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if( xDocStor != xCntnrStor || pTemp || bDuplicate )
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{
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// TODO/LATER: make this altogether a method in the EmbeddedObjectContainer
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// create a unique name for the duplicate object
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if( bDuplicate )
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rObjName = rContainer.CreateUniqueObjectName();
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if( pTemp )
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{
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try
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{
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pTemp->Seek( 0 );
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uno::Reference < io::XStream > xStm = xDocStor->openStreamElement( rObjName,
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embed::ElementModes::READWRITE | embed::ElementModes::TRUNCATE );
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std::unique_ptr<SvStream> pStream(::utl::UcbStreamHelper::CreateStream( xStm ));
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pTemp->ReadStream( *pStream );
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pStream.reset();
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// TODO/LATER: what to do when other types of objects are based on substream persistence?
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// This is an ole object
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uno::Reference< beans::XPropertySet > xProps( xStm, uno::UNO_QUERY_THROW );
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xProps->setPropertyValue(
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"MediaType",
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uno::makeAny( OUString( "application/vnd.sun.star.oleobject" ) ) );
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xStm->getOutputStream()->closeOutput();
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}
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catch ( uno::Exception& )
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{
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return;
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}
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}
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else
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{
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try
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{
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xCntnrStor->copyElementTo( aSrcObjName, xDocStor, rObjName );
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}
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catch ( uno::Exception& )
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{
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return;
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}
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}
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}
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// make object known to the container
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// TODO/LATER: could be done a little bit more efficient!
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OUString aName( rObjName );
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// TODO/LATER: The provided pClassId is ignored for now.
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// The stream contains OLE storage internally and this storage already has a class id specifying the
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// server that was used to create the object. pClassId could be used to specify the server that should
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// be used for the next opening, but this information seems to be out of the file format responsibility
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// area.
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OUString const baseURL(mpDocPersist->getDocumentBaseURL());
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rContainer.GetEmbeddedObject(aName, &baseURL);
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}
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OUString SvXMLEmbeddedObjectHelper::ImplInsertEmbeddedObjectURL(
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const OUString& rURLStr )
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{
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OUString sRetURL;
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OUString aContainerStorageName, aObjectStorageName;
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if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
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aObjectStorageName,
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SvXMLEmbeddedObjectHelperMode::Write == meCreateMode ) )
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return sRetURL;
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if( SvXMLEmbeddedObjectHelperMode::Read == meCreateMode )
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{
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OutputStorageWrapper_Impl *pOut = nullptr;
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std::map< OUString, rtl::Reference<OutputStorageWrapper_Impl> >::iterator aIter;
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if( mxStreamMap )
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{
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aIter = mxStreamMap->find( rURLStr );
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if( aIter != mxStreamMap->end() && aIter->second.is() )
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pOut = aIter->second.get();
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}
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SvGlobalName aClassId, *pClassId = nullptr;
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sal_Int32 nPos = aObjectStorageName.lastIndexOf( '!' );
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if( -1 != nPos && aClassId.MakeId( aObjectStorageName.copy( nPos+1 ) ) )
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{
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aObjectStorageName = aObjectStorageName.copy( 0, nPos );
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pClassId = &aClassId;
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}
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ImplReadObject( aContainerStorageName, aObjectStorageName, pClassId, pOut ? pOut->GetStream() : nullptr );
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sRetURL = XML_EMBEDDEDOBJECT_URL_BASE + aObjectStorageName;
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if( pOut )
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{
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mxStreamMap->erase( aIter );
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}
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}
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else
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{
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// Objects are written using ::comphelper::IEmbeddedHelper::SaveAs
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sRetURL = "./";
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if( !aContainerStorageName.isEmpty() )
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{
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sRetURL += aContainerStorageName + "/";
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}
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sRetURL += aObjectStorageName;
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}
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return sRetURL;
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}
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uno::Reference< io::XInputStream > SvXMLEmbeddedObjectHelper::ImplGetReplacementImage(
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const uno::Reference< embed::XEmbeddedObject >& xObj )
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{
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uno::Reference< io::XInputStream > xStream;
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if( xObj.is() )
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{
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try
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{
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bool bSwitchBackToLoaded = false;
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sal_Int32 nCurState = xObj->getCurrentState();
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if ( nCurState == embed::EmbedStates::LOADED || nCurState == embed::EmbedStates::RUNNING )
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{
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// means that the object is not active
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// copy replacement image from old to new container
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OUString aMediaType;
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xStream = mpDocPersist->getEmbeddedObjectContainer().GetGraphicStream( xObj, &aMediaType );
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}
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if ( !xStream.is() )
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{
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// the image must be regenerated
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// TODO/LATER: another aspect could be used
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if ( nCurState == embed::EmbedStates::LOADED )
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bSwitchBackToLoaded = true;
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OUString aMediaType;
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xStream = svt::EmbeddedObjectRef::GetGraphicReplacementStream(
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embed::Aspects::MSOLE_CONTENT,
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|
xObj,
|
|
&aMediaType );
|
|
}
|
|
|
|
if ( bSwitchBackToLoaded )
|
|
// switch back to loaded state; that way we have a minimum cache confusion
|
|
xObj->changeState( embed::EmbedStates::LOADED );
|
|
}
|
|
catch( uno::Exception& )
|
|
{}
|
|
}
|
|
|
|
return xStream;
|
|
}
|
|
|
|
void SvXMLEmbeddedObjectHelper::Init(
|
|
const uno::Reference < embed::XStorage >& rRootStorage,
|
|
::comphelper::IEmbeddedHelper& rPersist,
|
|
SvXMLEmbeddedObjectHelperMode eCreateMode )
|
|
{
|
|
mxRootStorage = rRootStorage;
|
|
mpDocPersist = &rPersist;
|
|
meCreateMode = eCreateMode;
|
|
}
|
|
|
|
rtl::Reference<SvXMLEmbeddedObjectHelper> SvXMLEmbeddedObjectHelper::Create(
|
|
const uno::Reference < embed::XStorage >& rRootStorage,
|
|
::comphelper::IEmbeddedHelper& rDocPersist,
|
|
SvXMLEmbeddedObjectHelperMode eCreateMode )
|
|
{
|
|
rtl::Reference<SvXMLEmbeddedObjectHelper> pThis(new SvXMLEmbeddedObjectHelper);
|
|
|
|
pThis->Init( rRootStorage, rDocPersist, eCreateMode );
|
|
|
|
return pThis;
|
|
}
|
|
|
|
rtl::Reference<SvXMLEmbeddedObjectHelper> SvXMLEmbeddedObjectHelper::Create(
|
|
::comphelper::IEmbeddedHelper& rDocPersist,
|
|
SvXMLEmbeddedObjectHelperMode eCreateMode )
|
|
{
|
|
rtl::Reference<SvXMLEmbeddedObjectHelper> pThis(new SvXMLEmbeddedObjectHelper);
|
|
|
|
pThis->Init( nullptr, rDocPersist, eCreateMode );
|
|
|
|
return pThis;
|
|
}
|
|
|
|
OUString SAL_CALL SvXMLEmbeddedObjectHelper::resolveEmbeddedObjectURL(const OUString& rURL)
|
|
{
|
|
MutexGuard aGuard( maMutex );
|
|
|
|
OUString sRet;
|
|
try
|
|
{
|
|
sRet = ImplInsertEmbeddedObjectURL(rURL);
|
|
}
|
|
catch (const RuntimeException&)
|
|
{
|
|
throw;
|
|
}
|
|
catch (const Exception&)
|
|
{
|
|
css::uno::Any anyEx = cppu::getCaughtException();
|
|
throw WrappedTargetRuntimeException(
|
|
"SvXMLEmbeddedObjectHelper::resolveEmbeddedObjectURL non-RuntimeException",
|
|
static_cast<uno::XWeak*>(this), anyEx);
|
|
}
|
|
return sRet;
|
|
}
|
|
|
|
// XNameAccess: alien objects!
|
|
Any SAL_CALL SvXMLEmbeddedObjectHelper::getByName(
|
|
const OUString& rURLStr )
|
|
{
|
|
MutexGuard aGuard( maMutex );
|
|
Any aRet;
|
|
if( SvXMLEmbeddedObjectHelperMode::Read == meCreateMode )
|
|
{
|
|
Reference < XOutputStream > xStrm;
|
|
if( mxStreamMap )
|
|
{
|
|
auto aIter = mxStreamMap->find( rURLStr );
|
|
if( aIter != mxStreamMap->end() && aIter->second.is() )
|
|
xStrm = aIter->second.get();
|
|
}
|
|
if( !xStrm.is() )
|
|
{
|
|
rtl::Reference<OutputStorageWrapper_Impl> xOut = new OutputStorageWrapper_Impl;
|
|
if( !mxStreamMap )
|
|
mxStreamMap.emplace();
|
|
(*mxStreamMap)[rURLStr] = xOut;
|
|
xStrm = xOut.get();
|
|
}
|
|
|
|
aRet <<= xStrm;
|
|
}
|
|
else
|
|
{
|
|
bool bGraphicRepl = false;
|
|
bool bOasisFormat = true;
|
|
Reference < XInputStream > xStrm;
|
|
OUString aContainerStorageName, aObjectStorageName;
|
|
if( ImplGetStorageNames( rURLStr, aContainerStorageName,
|
|
aObjectStorageName,
|
|
true,
|
|
&bGraphicRepl,
|
|
&bOasisFormat ) )
|
|
{
|
|
try
|
|
{
|
|
comphelper::EmbeddedObjectContainer& rContainer =
|
|
mpDocPersist->getEmbeddedObjectContainer();
|
|
|
|
Reference < embed::XEmbeddedObject > xObj = rContainer.GetEmbeddedObject( aObjectStorageName );
|
|
DBG_ASSERT( xObj.is(), "Didn't get object" );
|
|
|
|
if( xObj.is() )
|
|
{
|
|
if( bGraphicRepl )
|
|
{
|
|
xStrm = ImplGetReplacementImage( xObj );
|
|
}
|
|
else
|
|
{
|
|
Reference < embed::XEmbedPersist > xPersist( xObj, UNO_QUERY );
|
|
if( xPersist.is() )
|
|
{
|
|
if( !mxTempStorage.is() )
|
|
mxTempStorage =
|
|
comphelper::OStorageHelper::GetTemporaryStorage();
|
|
Sequence < beans::PropertyValue > aDummy( 0 ), aEmbDescr( 1 );
|
|
aEmbDescr[0].Name = "StoreVisualReplacement";
|
|
aEmbDescr[0].Value <<= !bOasisFormat;
|
|
if ( !bOasisFormat )
|
|
{
|
|
uno::Reference< io::XInputStream > xGrInStream = ImplGetReplacementImage( xObj );
|
|
if ( xGrInStream.is() )
|
|
{
|
|
aEmbDescr.realloc( 2 );
|
|
aEmbDescr[1].Name = "VisualReplacement";
|
|
aEmbDescr[1].Value <<= xGrInStream;
|
|
}
|
|
}
|
|
|
|
xPersist->storeToEntry( mxTempStorage, aObjectStorageName,
|
|
aDummy, aEmbDescr );
|
|
Reference < io::XStream > xStream =
|
|
mxTempStorage->openStreamElement(
|
|
aObjectStorageName,
|
|
embed::ElementModes::READ);
|
|
if( xStream.is() )
|
|
xStrm = xStream->getInputStream();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch ( uno::Exception& )
|
|
{
|
|
}
|
|
}
|
|
|
|
aRet <<= xStrm;
|
|
}
|
|
|
|
return aRet;
|
|
}
|
|
|
|
Sequence< OUString > SAL_CALL SvXMLEmbeddedObjectHelper::getElementNames()
|
|
{
|
|
return Sequence< OUString >(0);
|
|
}
|
|
|
|
sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasByName( const OUString& rURLStr )
|
|
{
|
|
MutexGuard aGuard( maMutex );
|
|
if( SvXMLEmbeddedObjectHelperMode::Read == meCreateMode )
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
OUString aContainerStorageName, aObjectStorageName;
|
|
if( !ImplGetStorageNames( rURLStr, aContainerStorageName,
|
|
aObjectStorageName,
|
|
true ) )
|
|
return false;
|
|
|
|
comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
|
|
return !aObjectStorageName.isEmpty() &&
|
|
rContainer.HasEmbeddedObject( aObjectStorageName );
|
|
}
|
|
}
|
|
|
|
// XNameAccess
|
|
Type SAL_CALL SvXMLEmbeddedObjectHelper::getElementType()
|
|
{
|
|
MutexGuard aGuard( maMutex );
|
|
if( SvXMLEmbeddedObjectHelperMode::Read == meCreateMode )
|
|
return cppu::UnoType<XOutputStream>::get();
|
|
else
|
|
return cppu::UnoType<XInputStream>::get();
|
|
}
|
|
|
|
sal_Bool SAL_CALL SvXMLEmbeddedObjectHelper::hasElements()
|
|
{
|
|
MutexGuard aGuard( maMutex );
|
|
if( SvXMLEmbeddedObjectHelperMode::Read == meCreateMode )
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
comphelper::EmbeddedObjectContainer& rContainer = mpDocPersist->getEmbeddedObjectContainer();
|
|
return rContainer.HasEmbeddedObjects();
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|