137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "oox/helper/binaryoutputstream.hxx"
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#include <osl/diagnose.h>
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#include <string.h>
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using ::com::sun::star::uno::UNO_QUERY;
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using ::com::sun::star::uno::Reference;
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using ::com::sun::star::uno::Exception;
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using ::com::sun::star::io::XOutputStream;
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using ::com::sun::star::io::XSeekable;
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namespace oox {
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const sal_Int32 OUTPUTSTREAM_BUFFERSIZE = 0x8000;
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// ============================================================================
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void BinaryOutputStream::writeAtom( const void* pMem, sal_uInt8 nSize )
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{
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writeMemory( pMem, nSize );
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}
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// ============================================================================
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BinaryXOutputStream::BinaryXOutputStream( const Reference< XOutputStream >& rxOutStrm, bool bAutoClose ) :
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BinaryXSeekableStream( Reference< XSeekable >( rxOutStrm, UNO_QUERY ) ),
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maBuffer( OUTPUTSTREAM_BUFFERSIZE ),
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mxOutStrm( rxOutStrm ),
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mbAutoClose( bAutoClose )
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{
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mbEof = !mxOutStrm.is();
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}
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BinaryXOutputStream::~BinaryXOutputStream()
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{
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if( mbAutoClose )
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close();
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}
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void BinaryXOutputStream::writeData( const StreamDataSequence& rData )
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{
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try
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{
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OSL_ENSURE( mxOutStrm.is(), "BinaryXOutputStream::writeData - invalid call" );
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mxOutStrm->writeBytes( rData );
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}
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catch( Exception& )
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{
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OSL_ENSURE( false, "BinaryXOutputStream::writeData - stream read error" );
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}
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}
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void BinaryXOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes )
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{
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if( nBytes > 0 )
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{
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sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, OUTPUTSTREAM_BUFFERSIZE );
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const sal_uInt8* pnMem = reinterpret_cast< const sal_uInt8* >( pMem );
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while( nBytes > 0 )
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{
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sal_Int32 nWriteSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, nBufferSize );
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maBuffer.realloc( nWriteSize );
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memcpy( maBuffer.getArray(), pnMem, static_cast< size_t >( nWriteSize ) );
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writeData( maBuffer );
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pnMem += nWriteSize;
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nBytes -= nWriteSize;
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}
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}
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}
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void BinaryXOutputStream::close()
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{
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if( mxOutStrm.is() ) try
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{
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mxOutStrm->flush();
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mxOutStrm->closeOutput();
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}
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catch( Exception& )
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{
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OSL_ENSURE( false, "BinaryXOutputStream::close - closing output stream failed" );
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}
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}
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// ============================================================================
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SequenceOutputStream::SequenceOutputStream( StreamDataSequence& rData ) :
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SequenceSeekableStream( rData )
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{
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}
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void SequenceOutputStream::writeData( const StreamDataSequence& rData )
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{
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if( rData.hasElements() )
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writeMemory( rData.getConstArray(), rData.getLength() );
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}
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void SequenceOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes )
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{
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if( nBytes > 0 )
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{
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if( mrData.getLength() - mnPos < nBytes )
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const_cast< StreamDataSequence& >( mrData ).realloc( mnPos + nBytes );
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memcpy( const_cast< StreamDataSequence& >( mrData ).getArray() + mnPos, pMem, static_cast< size_t >( nBytes ) );
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mnPos += nBytes;
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}
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}
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// ============================================================================
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} // namespace oox
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