137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/* -*- 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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* 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 <tools/debug.hxx>
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#include "sdiocmpt.hxx"
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//////////////////////////////////////////////////////////////////////////////
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old_SdrDownCompat::old_SdrDownCompat(SvStream& rNewStream, sal_uInt16 nNewMode)
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: rStream(rNewStream),
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nSubRecSiz(0),
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nSubRecPos(0),
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nMode(nNewMode),
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bOpen(sal_False)
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{
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OpenSubRecord();
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}
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old_SdrDownCompat::~old_SdrDownCompat()
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{
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if(bOpen)
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CloseSubRecord();
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}
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void old_SdrDownCompat::Read()
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{
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rStream >> nSubRecSiz;
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}
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void old_SdrDownCompat::Write()
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{
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rStream << nSubRecSiz;
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}
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void old_SdrDownCompat::OpenSubRecord()
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{
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if(rStream.GetError())
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return;
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nSubRecPos = rStream.Tell();
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if(nMode == STREAM_READ)
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{
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Read();
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}
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else if(nMode == STREAM_WRITE)
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{
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Write();
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}
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bOpen = sal_True;
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}
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void old_SdrDownCompat::CloseSubRecord()
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{
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if(rStream.GetError())
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return;
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sal_uInt32 nAktPos(rStream.Tell());
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if(nMode == STREAM_READ)
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{
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sal_uInt32 nReadAnz(nAktPos - nSubRecPos);
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if(nReadAnz != nSubRecSiz)
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{
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rStream.Seek(nSubRecPos + nSubRecSiz);
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}
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}
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else if(nMode == STREAM_WRITE)
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{
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nSubRecSiz = nAktPos - nSubRecPos;
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rStream.Seek(nSubRecPos);
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Write();
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rStream.Seek(nAktPos);
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}
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bOpen = sal_False;
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}
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/*************************************************************************
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|*
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|* Konstruktor, schreibt bzw. liest Versionsnummer
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|*
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\************************************************************************/
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SdIOCompat::SdIOCompat(SvStream& rNewStream, sal_uInt16 nNewMode, sal_uInt16 nVer)
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: old_SdrDownCompat(rNewStream, nNewMode), nVersion(nVer)
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{
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if (nNewMode == STREAM_WRITE)
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{
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DBG_ASSERT(nVer != SDIOCOMPAT_VERSIONDONTKNOW,
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"kann unbekannte Version nicht schreiben");
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rNewStream << nVersion;
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}
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else if (nNewMode == STREAM_READ)
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{
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DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW,
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"Lesen mit Angabe der Version ist Quatsch!");
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rNewStream >> nVersion;
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}
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}
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SdIOCompat::~SdIOCompat()
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{
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}
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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