gemrb/core/CachedFileStream.h

   1 /* GemRB - Infinity Engine Emulator
   2  * Copyright (C) 2003 The GemRB Project
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  *
  19  */
  20
  21 #ifndef CACHEDFILESTREAM_H
  22 #define CACHEDFILESTREAM_H
  23
  24 #include "exports.h"
  25
  26 #include "FileStream.h"
  27
  28 class GEM_EXPORT CachedFileStream : public DataStream// : public FileStream
  29 {
  30 private:
  31         bool autoFree;
  32         unsigned long startpos;
  33         _FILE* str;
  34 public:
  35         CachedFileStream(const char* stream, bool autoFree = true);
  36         CachedFileStream(CachedFileStream* cfs, int startpos, int size,
  37                 bool autoFree = true);
  38         ~CachedFileStream(void);
  39         int Read(void* dest, unsigned int length);
  40         int Write(const void* src, unsigned int length);
  41         int Seek(int pos, int startpos);
  42         /** No descriptions */
  43         int ReadLine(void* buf, unsigned int maxlen);
  44 };
  45 #endif