| /************************************************************** |
| * |
| * 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_svtools.hxx" |
| |
| |
| #include <svtools/imap.hxx> |
| |
| #include <tools/debug.hxx> |
| |
| |
| /****************************************************************************** |
| |* |
| |* Ctor |
| |* |
| \******************************************************************************/ |
| |
| IMapCompat::IMapCompat( SvStream& rStm, const sal_uInt16 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 |
| { |
| sal_uInt32 nTotalSizeTmp; |
| *pRWStm >> nTotalSizeTmp; |
| nTotalSize = nTotalSizeTmp; |
| nCompatPos = pRWStm->Tell(); |
| } |
| } |
| } |
| |
| |
| /****************************************************************************** |
| |* |
| |* Dtor |
| |* |
| \******************************************************************************/ |
| |
| IMapCompat::~IMapCompat() |
| { |
| if ( !pRWStm->GetError() ) |
| { |
| if ( nStmMode == STREAM_WRITE ) |
| { |
| const sal_uLong nEndPos = pRWStm->Tell(); |
| |
| pRWStm->Seek( nCompatPos ); |
| *pRWStm << (sal_uInt32) ( nEndPos - nTotalSize ); |
| pRWStm->Seek( nEndPos ); |
| } |
| else |
| { |
| const sal_uLong nReadSize = pRWStm->Tell() - nCompatPos; |
| |
| if ( nTotalSize > nReadSize ) |
| pRWStm->SeekRel( nTotalSize - nReadSize ); |
| } |
| } |
| } |
| |
| |
| |