| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _CACHESTR_HXX |
| #define _CACHESTR_HXX |
| |
| #include <tools/stream.hxx> |
| #include <tools/string.hxx> |
| #include <tools/link.hxx> |
| #include "tools/toolsdllapi.h" |
| |
| // ----------------- |
| // - SvCacheStream - |
| // ----------------- |
| |
| class TempFile; |
| class TOOLS_DLLPUBLIC SvCacheStream : public SvStream |
| { |
| private: |
| String aFileName; |
| sal_uIntPtr nMaxSize; |
| int bPersistent; |
| |
| SvStream* pSwapStream; |
| SvStream* pCurrentStream; |
| TempFile* pTempFile; |
| |
| Link aFilenameLinkHdl; |
| |
| TOOLS_DLLPRIVATE virtual sal_uIntPtr GetData( void* pData, sal_uIntPtr nSize ); |
| TOOLS_DLLPRIVATE virtual sal_uIntPtr PutData( const void* pData, sal_uIntPtr nSize ); |
| TOOLS_DLLPRIVATE virtual sal_uIntPtr SeekPos( sal_uIntPtr nPos ); |
| TOOLS_DLLPRIVATE virtual void FlushData(); |
| TOOLS_DLLPRIVATE virtual void SetSize( sal_uIntPtr nSize ); |
| |
| public: |
| SvCacheStream( sal_uIntPtr nMaxMemSize = 0 ); |
| SvCacheStream( const String &rFileName, |
| sal_uIntPtr nExpectedSize = 0, |
| sal_uIntPtr nMaxMemSize = 0 ); |
| ~SvCacheStream(); |
| |
| void SetFilenameHdl( const Link& rLink); |
| const Link& GetFilenameHdl() const; |
| void SetFilename( const String& rFN ) |
| { aFileName = rFN; } // darf nur vom FilenameHdl gerufen werden! |
| const String& GetFilename() const { return aFileName; } |
| |
| void SwapOut(); |
| const void* GetBuffer(); |
| sal_uIntPtr GetSize(); |
| |
| sal_Bool IsPersistent() { return bPersistent != 0; } |
| void SetPersistence( sal_Bool b = sal_True ) { bPersistent = b; } |
| void SetSwapStream( SvStream *p ) |
| { pSwapStream = p; } // darf nur vom FilenameHdl gerufen werden! |
| }; |
| |
| #endif |