2ef9df8aee
Change-Id: I0957cabd66ddc4e25c7e6ff54ec2a555eda0792c Reviewed-on: https://gerrit.libreoffice.org/8306 Reviewed-by: Caolán McNamara <caolanm@redhat.com> Tested-by: Caolán McNamara <caolanm@redhat.com>
123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||
/*
|
||
* This file is part of the LibreOffice project.
|
||
*
|
||
* This Source Code Form is subject to the terms of the Mozilla Public
|
||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
*
|
||
* This file incorporates work covered by the following license notice:
|
||
*
|
||
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||
* contributor license agreements. See the NOTICE file distributed
|
||
* with this work for additional information regarding copyright
|
||
* ownership. The ASF licenses this file to you under the Apache
|
||
* License, Version 2.0 (the "License"); you may not use this file
|
||
* except in compliance with the License. You may obtain a copy of
|
||
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
||
*/
|
||
|
||
#include <tools/debug.hxx>
|
||
|
||
#include "sdiocmpt.hxx"
|
||
|
||
old_SdrDownCompat::old_SdrDownCompat(SvStream& rNewStream, sal_uInt16 nNewMode)
|
||
: rStream(rNewStream),
|
||
nSubRecSiz(0),
|
||
nSubRecPos(0),
|
||
nMode(nNewMode),
|
||
bOpen(sal_False)
|
||
{
|
||
OpenSubRecord();
|
||
}
|
||
|
||
old_SdrDownCompat::~old_SdrDownCompat()
|
||
{
|
||
if(bOpen)
|
||
CloseSubRecord();
|
||
}
|
||
|
||
void old_SdrDownCompat::Read()
|
||
{
|
||
rStream.ReadUInt32( nSubRecSiz );
|
||
}
|
||
|
||
void old_SdrDownCompat::Write()
|
||
{
|
||
rStream.WriteUInt32( nSubRecSiz );
|
||
}
|
||
|
||
void old_SdrDownCompat::OpenSubRecord()
|
||
{
|
||
if(rStream.GetError())
|
||
return;
|
||
|
||
nSubRecPos = rStream.Tell();
|
||
|
||
if(nMode == STREAM_READ)
|
||
{
|
||
Read();
|
||
}
|
||
else if(nMode == STREAM_WRITE)
|
||
{
|
||
Write();
|
||
}
|
||
|
||
bOpen = sal_True;
|
||
}
|
||
|
||
void old_SdrDownCompat::CloseSubRecord()
|
||
{
|
||
if(rStream.GetError())
|
||
return;
|
||
|
||
sal_uInt32 nAktPos(rStream.Tell());
|
||
|
||
if(nMode == STREAM_READ)
|
||
{
|
||
sal_uInt32 nReadAnz(nAktPos - nSubRecPos);
|
||
if(nReadAnz != nSubRecSiz)
|
||
{
|
||
rStream.Seek(nSubRecPos + nSubRecSiz);
|
||
}
|
||
}
|
||
else if(nMode == STREAM_WRITE)
|
||
{
|
||
nSubRecSiz = nAktPos - nSubRecPos;
|
||
rStream.Seek(nSubRecPos);
|
||
Write();
|
||
rStream.Seek(nAktPos);
|
||
}
|
||
|
||
bOpen = sal_False;
|
||
}
|
||
|
||
/*************************************************************************
|
||
|*
|
||
|* Constructor, writes and reads version number
|
||
|*
|
||
\************************************************************************/
|
||
|
||
SdIOCompat::SdIOCompat(SvStream& rNewStream, sal_uInt16 nNewMode, sal_uInt16 nVer)
|
||
: old_SdrDownCompat(rNewStream, nNewMode), nVersion(nVer)
|
||
{
|
||
if (nNewMode == STREAM_WRITE)
|
||
{
|
||
DBG_ASSERT(nVer != SDIOCOMPAT_VERSIONDONTKNOW,
|
||
"can´t write unknown version");
|
||
rNewStream.WriteUInt16( nVersion );
|
||
}
|
||
else if (nNewMode == STREAM_READ)
|
||
{
|
||
DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW,
|
||
"referring to the version while reading is silly!");
|
||
rNewStream.ReadUInt16( nVersion );
|
||
}
|
||
}
|
||
|
||
SdIOCompat::~SdIOCompat()
|
||
{
|
||
}
|
||
|
||
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|