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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "oox/helper/binaryoutputstream.hxx"
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <osl/diagnose.h>
#include <string.h>
namespace oox {
// ============================================================================
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::uno;
namespace {
const sal_Int32 OUTPUTSTREAM_BUFFERSIZE = 0x8000;
} // namespace
// ============================================================================
BinaryXOutputStream::BinaryXOutputStream( const Reference< XOutputStream >& rxOutStrm, bool bAutoClose ) :
BinaryStreamBase( Reference< XSeekable >( rxOutStrm, UNO_QUERY ).is() ),
BinaryXSeekableStream( Reference< XSeekable >( rxOutStrm, UNO_QUERY ) ),
maBuffer( OUTPUTSTREAM_BUFFERSIZE ),
mxOutStrm( rxOutStrm ),
mbAutoClose( bAutoClose && rxOutStrm.is() )
{
mbEof = !mxOutStrm.is();
}
BinaryXOutputStream::~BinaryXOutputStream()
{
close();
}
void BinaryXOutputStream::close()
{
OSL_ENSURE( !mbAutoClose || mxOutStrm.is(), "BinaryXOutputStream::close - invalid call" );
if( mxOutStrm.is() ) try
{
mxOutStrm->flush();
mxOutStrm->closeOutput();
}
catch( Exception& )
{
OSL_FAIL( "BinaryXOutputStream::close - closing output stream failed" );
}
mxOutStrm.clear();
mbAutoClose = false;
BinaryXSeekableStream::close();
}
void BinaryXOutputStream::writeData( const StreamDataSequence& rData, size_t /*nAtomSize*/ )
{
if( mxOutStrm.is() ) try
{
mxOutStrm->writeBytes( rData );
}
catch( Exception& )
{
OSL_FAIL( "BinaryXOutputStream::writeData - stream read error" );
}
}
void BinaryXOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes, size_t nAtomSize )
{
if( mxOutStrm.is() && (nBytes > 0) )
{
sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, (OUTPUTSTREAM_BUFFERSIZE / nAtomSize) * nAtomSize );
const sal_uInt8* pnMem = reinterpret_cast< const sal_uInt8* >( pMem );
while( nBytes > 0 )
{
sal_Int32 nWriteSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, nBufferSize );
maBuffer.realloc( nWriteSize );
memcpy( maBuffer.getArray(), pnMem, static_cast< size_t >( nWriteSize ) );
writeData( maBuffer, nAtomSize );
pnMem += nWriteSize;
nBytes -= nWriteSize;
}
}
}
// ============================================================================
SequenceOutputStream::SequenceOutputStream( StreamDataSequence& rData ) :
BinaryStreamBase( true ),
SequenceSeekableStream( rData )
{
}
void SequenceOutputStream::writeData( const StreamDataSequence& rData, size_t nAtomSize )
{
if( mpData && rData.hasElements() )
writeMemory( rData.getConstArray(), rData.getLength(), nAtomSize );
}
void SequenceOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes, size_t /*nAtomSize*/ )
{
if( mpData && (nBytes > 0) )
{
if( mpData->getLength() - mnPos < nBytes )
const_cast< StreamDataSequence* >( mpData )->realloc( mnPos + nBytes );
memcpy( const_cast< StreamDataSequence* >( mpData )->getArray() + mnPos, pMem, static_cast< size_t >( nBytes ) );
mnPos += nBytes;
}
}
// ============================================================================
} // namespace oox
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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