e67657d521
look for expressions like !(a && !b) which can be expanded out Change-Id: I72515a9638762b050f9a258c08da39ebfa2ef8e7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100579 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
255 lines
7.8 KiB
C++
255 lines
7.8 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 <oox/helper/storagebase.hxx>
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#include <com/sun/star/io/XStream.hpp>
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#include <osl/diagnose.h>
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#include <rtl/ustrbuf.hxx>
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#include <oox/helper/binaryinputstream.hxx>
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#include <oox/helper/binaryoutputstream.hxx>
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namespace oox {
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using namespace ::com::sun::star::embed;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::uno;
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namespace {
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void lclSplitFirstElement( OUString& orElement, OUString& orRemainder, const OUString& _aFullName )
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{
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OUString aFullName = _aFullName;
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sal_Int32 nSlashPos = aFullName.indexOf( '/' );
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// strip leading slashes
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while( nSlashPos == 0 )
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{
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aFullName = aFullName.copy(1);
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nSlashPos = aFullName.indexOf( '/' );
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}
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if( (0 <= nSlashPos) && (nSlashPos < aFullName.getLength()) )
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{
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orElement = aFullName.copy( 0, nSlashPos );
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orRemainder = aFullName.copy( nSlashPos + 1 );
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}
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else
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{
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orElement = aFullName;
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}
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}
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} // namespace
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StorageBase::StorageBase( const Reference< XInputStream >& rxInStream, bool bBaseStreamAccess ) :
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mxInStream( rxInStream ),
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mbBaseStreamAccess( bBaseStreamAccess ),
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mbReadOnly( true )
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{
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OSL_ENSURE( mxInStream.is(), "StorageBase::StorageBase - missing base input stream" );
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}
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StorageBase::StorageBase( const Reference< XStream >& rxOutStream, bool bBaseStreamAccess ) :
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mxOutStream( rxOutStream ),
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mbBaseStreamAccess( bBaseStreamAccess ),
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mbReadOnly( false )
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{
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OSL_ENSURE( mxOutStream.is(), "StorageBase::StorageBase - missing base output stream" );
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}
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StorageBase::StorageBase( const StorageBase& rParentStorage, const OUString& rStorageName, bool bReadOnly ) :
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maParentPath( rParentStorage.getPath() ),
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maStorageName( rStorageName ),
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mbBaseStreamAccess( false ),
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mbReadOnly( bReadOnly )
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{
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}
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StorageBase::~StorageBase()
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{
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}
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bool StorageBase::isStorage() const
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{
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return implIsStorage();
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}
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bool StorageBase::isRootStorage() const
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{
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return implIsStorage() && maStorageName.isEmpty();
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}
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Reference< XStorage > StorageBase::getXStorage() const
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{
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return implGetXStorage();
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}
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OUString StorageBase::getPath() const
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{
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OUStringBuffer aBuffer( maParentPath );
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if( !aBuffer.isEmpty() )
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aBuffer.append( '/' );
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aBuffer.append( maStorageName );
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return aBuffer.makeStringAndClear();
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}
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void StorageBase::getElementNames( ::std::vector< OUString >& orElementNames ) const
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{
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orElementNames.clear();
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implGetElementNames( orElementNames );
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}
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StorageRef StorageBase::openSubStorage( const OUString& rStorageName, bool bCreateMissing )
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{
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StorageRef xSubStorage;
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OSL_ENSURE( !bCreateMissing || !mbReadOnly, "StorageBase::openSubStorage - cannot create substorage in read-only mode" );
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if( !bCreateMissing || !mbReadOnly )
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{
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OUString aElement, aRemainder;
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lclSplitFirstElement( aElement, aRemainder, rStorageName );
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if( !aElement.isEmpty() )
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xSubStorage = getSubStorage( aElement, bCreateMissing );
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if( xSubStorage && !aRemainder.isEmpty() )
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xSubStorage = xSubStorage->openSubStorage( aRemainder, bCreateMissing );
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}
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return xSubStorage;
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}
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Reference< XInputStream > StorageBase::openInputStream( const OUString& rStreamName )
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{
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Reference< XInputStream > xInStream;
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OUString aElement, aRemainder;
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lclSplitFirstElement( aElement, aRemainder, rStreamName );
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if( !aElement.isEmpty() )
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{
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if( !aRemainder.isEmpty() )
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{
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StorageRef xSubStorage = getSubStorage( aElement, false );
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if( xSubStorage )
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xInStream = xSubStorage->openInputStream( aRemainder );
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}
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else
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{
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xInStream = implOpenInputStream( aElement );
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}
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}
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else if( mbBaseStreamAccess )
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{
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xInStream = mxInStream;
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}
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return xInStream;
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}
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Reference< XOutputStream > StorageBase::openOutputStream( const OUString& rStreamName )
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{
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Reference< XOutputStream > xOutStream;
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OSL_ENSURE( !mbReadOnly, "StorageBase::openOutputStream - cannot create output stream in read-only mode" );
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if( !mbReadOnly )
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{
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OUString aElement, aRemainder;
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lclSplitFirstElement( aElement, aRemainder, rStreamName );
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if( !aElement.isEmpty() )
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{
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if( !aRemainder.isEmpty() )
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{
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StorageRef xSubStorage = getSubStorage( aElement, true );
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if( xSubStorage )
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xOutStream = xSubStorage->openOutputStream( aRemainder );
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}
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else
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{
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xOutStream = implOpenOutputStream( aElement );
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}
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}
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else if( mbBaseStreamAccess )
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{
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xOutStream = mxOutStream->getOutputStream();
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}
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}
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return xOutStream;
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}
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void StorageBase::copyToStorage( StorageBase& rDestStrg, const OUString& rElementName )
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{
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OSL_ENSURE( rDestStrg.isStorage() && !rDestStrg.isReadOnly(), "StorageBase::copyToStorage - invalid destination" );
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OSL_ENSURE( !rElementName.isEmpty(), "StorageBase::copyToStorage - invalid element name" );
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if( !rDestStrg.isStorage() || rDestStrg.isReadOnly() || rElementName.isEmpty() )
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return;
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StorageRef xSubStrg = openSubStorage( rElementName, false );
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if( xSubStrg )
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{
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StorageRef xDestSubStrg = rDestStrg.openSubStorage( rElementName, true );
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if( xDestSubStrg )
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xSubStrg->copyStorageToStorage( *xDestSubStrg );
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}
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else
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{
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Reference< XInputStream > xInStrm = openInputStream( rElementName );
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if( xInStrm.is() )
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{
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Reference< XOutputStream > xOutStrm = rDestStrg.openOutputStream( rElementName );
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if( xOutStrm.is() )
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{
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BinaryXInputStream aInStrm( xInStrm, true );
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BinaryXOutputStream aOutStrm( xOutStrm, true );
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aInStrm.copyToStream( aOutStrm );
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}
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}
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}
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}
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void StorageBase::copyStorageToStorage( StorageBase& rDestStrg )
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{
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OSL_ENSURE( rDestStrg.isStorage() && !rDestStrg.isReadOnly(), "StorageBase::copyToStorage - invalid destination" );
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if( rDestStrg.isStorage() && !rDestStrg.isReadOnly() )
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{
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::std::vector< OUString > aElements;
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getElementNames( aElements );
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for (auto const& elem : aElements)
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copyToStorage(rDestStrg, elem);
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}
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}
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void StorageBase::commit()
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{
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OSL_ENSURE( !mbReadOnly, "StorageBase::commit - cannot commit in read-only mode" );
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if( !mbReadOnly )
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{
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// commit all open substorages
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maSubStorages.forEachMem( &StorageBase::commit );
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// commit this storage
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implCommit();
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}
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}
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// private --------------------------------------------------------------------
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StorageRef StorageBase::getSubStorage( const OUString& rElementName, bool bCreateMissing )
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{
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StorageRef& rxSubStrg = maSubStorages[ rElementName ];
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if( !rxSubStrg )
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rxSubStrg = implOpenSubStorage( rElementName, bCreateMissing );
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return rxSubStrg;
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}
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} // namespace oox
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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