2010-10-12 08:56:41 -05:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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2008-04-10 09:42:20 -05:00
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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 <com/sun/star/io/XOutputStream.hpp>
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#include <com/sun/star/io/XSeekable.hpp>
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#include <osl/diagnose.h>
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#include <string.h>
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namespace oox {
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// ============================================================================
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::uno;
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2011-09-23 11:31:46 -05:00
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using ::rtl::OString;
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using ::rtl::OUString;
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using ::rtl::OUStringToOString;
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namespace {
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const sal_Int32 OUTPUTSTREAM_BUFFERSIZE = 0x8000;
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} // namespace
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// ============================================================================
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BinaryXOutputStream::BinaryXOutputStream( const Reference< XOutputStream >& rxOutStrm, bool bAutoClose ) :
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BinaryStreamBase( Reference< XSeekable >( rxOutStrm, UNO_QUERY ).is() ),
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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 && rxOutStrm.is() )
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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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close();
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}
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void BinaryXOutputStream::close()
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{
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OSL_ENSURE( !mbAutoClose || mxOutStrm.is(), "BinaryXOutputStream::close - invalid call" );
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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_FAIL( "BinaryXOutputStream::close - closing output stream failed" );
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}
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mxOutStrm.clear();
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mbAutoClose = false;
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BinaryXSeekableStream::close();
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}
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void BinaryXOutputStream::writeData( const StreamDataSequence& rData, size_t /*nAtomSize*/ )
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{
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if( mxOutStrm.is() ) try
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{
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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_FAIL( "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, size_t nAtomSize )
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{
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if( mxOutStrm.is() && (nBytes > 0) )
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{
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sal_Int32 nBufferSize = getLimitedValue< sal_Int32, sal_Int32 >( nBytes, 0, (OUTPUTSTREAM_BUFFERSIZE / nAtomSize) * nAtomSize );
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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, nAtomSize );
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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
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BinaryOutputStream::writeCharArrayUC( const OUString& rString, rtl_TextEncoding eTextEnc, bool bAllowNulChars )
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{
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OString sBuf( OUStringToOString( rString, eTextEnc ) );
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if( !bAllowNulChars )
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sBuf.replace( '\0', '?' );
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writeMemory( static_cast< const void* >( sBuf.getStr() ), sBuf.getLength() );
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}
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void
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BinaryOutputStream::writeUnicodeArray( const ::rtl::OUString& rString, bool bAllowNulChars )
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{
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OUString sBuf( rString );
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if( !bAllowNulChars )
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sBuf.replace( '\0', '?' );
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writeArray( sBuf.getStr(), sBuf.getLength() );
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}
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void
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BinaryOutputStream::writeCompressedUnicodeArray( const rtl::OUString& rString, bool bCompressed, bool bAllowNulChars )
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{
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if ( bCompressed )
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// ISO-8859-1 maps all byte values 0xHH to the same Unicode code point U+00HH
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writeCharArrayUC( rString, RTL_TEXTENCODING_ISO_8859_1, bAllowNulChars );
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else
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writeUnicodeArray( rString, bAllowNulChars );
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}
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// ============================================================================
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SequenceOutputStream::SequenceOutputStream( StreamDataSequence& rData ) :
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BinaryStreamBase( true ),
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SequenceSeekableStream( rData )
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{
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}
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void SequenceOutputStream::writeData( const StreamDataSequence& rData, size_t nAtomSize )
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{
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if( mpData && rData.hasElements() )
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writeMemory( rData.getConstArray(), rData.getLength(), nAtomSize );
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}
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void SequenceOutputStream::writeMemory( const void* pMem, sal_Int32 nBytes, size_t /*nAtomSize*/ )
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{
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if( mpData && (nBytes > 0) )
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{
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if( mpData->getLength() - mnPos < nBytes )
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const_cast< StreamDataSequence* >( mpData )->realloc( mnPos + nBytes );
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memcpy( const_cast< StreamDataSequence* >( mpData )->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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2010-10-12 08:56:41 -05:00
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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