e7324c5705
Change-Id: Ife021e368efaafe9097750b4ca1a5472e94352a9 Reviewed-on: https://gerrit.libreoffice.org/30054 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <tools/debug.hxx>
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#include "sdiocmpt.hxx"
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old_SdrDownCompat::old_SdrDownCompat(SvStream& rNewStream, StreamMode 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(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::Write()
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{
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rStream.WriteUInt32( 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 == StreamMode::READ)
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{
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rStream.ReadUInt32( nSubRecSiz );
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}
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else if(nMode == StreamMode::WRITE)
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{
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Write();
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}
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bOpen = 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 == StreamMode::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 == StreamMode::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 = false;
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}
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/*************************************************************************
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|*
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|* Constructor, writes and reads version number
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|*
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\************************************************************************/
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SdIOCompat::SdIOCompat(SvStream& rNewStream, StreamMode nNewMode, sal_uInt16 nVer)
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: old_SdrDownCompat(rNewStream, nNewMode), nVersion(nVer)
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{
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if (nNewMode == StreamMode::WRITE)
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{
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DBG_ASSERT(nVer != SDIOCOMPAT_VERSIONDONTKNOW,
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"can't write unknown version");
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rNewStream.WriteUInt16( nVersion );
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}
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else if (nNewMode == StreamMode::READ)
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{
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DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW,
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"referring to the version while reading is silly!");
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rNewStream.ReadUInt16( 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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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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