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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: biff.cxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"
#include <sal/config.h>
#include <stdio.h>
#include <sfx2/docfile.hxx>
#include "global.hxx"
#include "scerrors.hxx"
#include "docpool.hxx"
#include "patattr.hxx"
#include "filter.hxx"
#include "document.hxx"
#include "cell.hxx"
#include "biff.hxx"
ScBiffReader::ScBiffReader( SfxMedium & rMedium ) :
mnId(0),
mnLength(0),
mnOffset(0)
{
mpStream = rMedium.GetInStream();
if( mpStream )
{
mpStream->SetBufferSize( 65535 );
mpStream->SetStreamCharSet( RTL_TEXTENCODING_MS_1252 );
}
}
ScBiffReader::~ScBiffReader()
{
if( mpStream )
mpStream->SetBufferSize( 0 );
}
bool ScBiffReader::nextRecord()
{
if( !recordsLeft() )
return false;
if( IsEndOfFile() )
return false;
sal_uInt32 nPos = mpStream->Tell();
if( nPos != mnOffset + mnLength )
mpStream->Seek( mnOffset + mnLength );
mnLength = mnId = 0;
*mpStream >> mnId >> mnLength;
mnOffset = mpStream->Tell();
#ifdef DEBUG
fprintf( stderr, "Read record 0x%x length 0x%x at offset 0x%x\n",
(unsigned)mnId, (unsigned)mnLength, (unsigned)mnOffset );
#if 1 // rather verbose
int len = mnLength;
while (len > 0) {
int i, chunk = len < 16 ? len : 16;
unsigned char data[16];
mpStream->Read( data, chunk );
for (i = 0; i < chunk; i++)
fprintf( stderr, "%.2x ", data[i] );
fprintf( stderr, "| " );
for (i = 0; i < chunk; i++)
fprintf( stderr, "%c", data[i] < 127 && data[i] > 30 ? data[i] : '.' );
fprintf( stderr, "\n" );
len -= chunk;
}
mpStream->Seek( mnOffset );
#endif
#endif
return true;
}
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