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/*************************************************************************
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"
#include <svtools/imap.hxx>
#include <tools/debug.hxx>
/******************************************************************************
|*
|* Ctor
|*
\******************************************************************************/
IMapCompat::IMapCompat( SvStream& rStm, const USHORT nStreamMode ) :
pRWStm ( &rStm ),
nStmMode ( nStreamMode )
{
DBG_ASSERT( nStreamMode == STREAM_READ || nStreamMode == STREAM_WRITE, "Wrong Mode!" );
if ( !pRWStm->GetError() )
{
if ( nStmMode == STREAM_WRITE )
{
nCompatPos = pRWStm->Tell();
pRWStm->SeekRel( 4 );
nTotalSize = nCompatPos + 4;
}
else
{
UINT32 nTotalSizeTmp;
*pRWStm >> nTotalSizeTmp;
nTotalSize = nTotalSizeTmp;
nCompatPos = pRWStm->Tell();
}
}
}
/******************************************************************************
|*
|* Dtor
|*
\******************************************************************************/
IMapCompat::~IMapCompat()
{
if ( !pRWStm->GetError() )
{
if ( nStmMode == STREAM_WRITE )
{
const ULONG nEndPos = pRWStm->Tell();
pRWStm->Seek( nCompatPos );
*pRWStm << (UINT32) ( nEndPos - nTotalSize );
pRWStm->Seek( nEndPos );
}
else
{
const ULONG nReadSize = pRWStm->Tell() - nCompatPos;
if ( nTotalSize > nReadSize )
pRWStm->SeekRel( nTotalSize - nReadSize );
}
}
}
|
