| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_sd.hxx" |
| |
| |
| #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 >> nSubRecSiz; |
| } |
| |
| void old_SdrDownCompat::Write() |
| { |
| rStream << 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; |
| } |
| |
| /************************************************************************* |
| |* |
| |* Konstruktor, schreibt bzw. liest Versionsnummer |
| |* |
| \************************************************************************/ |
| |
| 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, |
| "kann unbekannte Version nicht schreiben"); |
| rNewStream << nVersion; |
| } |
| else if (nNewMode == STREAM_READ) |
| { |
| DBG_ASSERT(nVer == SDIOCOMPAT_VERSIONDONTKNOW, |
| "Lesen mit Angabe der Version ist Quatsch!"); |
| rNewStream >> nVersion; |
| } |
| } |
| |
| SdIOCompat::~SdIOCompat() |
| { |
| } |
| |
| // eof |
