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inputstreambuffer.h
1 /*
2  * This file is part of the Colobot: Gold Edition source code
3  * Copyright (C) 2001-2014, Daniel Roux, EPSITEC SA & TerranovaTeam
4  * http://epsiteс.ch; http://colobot.info; http://github.com/colobot
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14  * See the GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see http://gnu.org/licenses
18  */
19 
20 #pragma once
21 
22 #include <streambuf>
23 #include <string>
24 #include <physfs.h>
25 
26 class CInputStreamBuffer : public std::streambuf
27 {
28 public:
29  CInputStreamBuffer(size_t buffer_size = 512);
30  virtual ~CInputStreamBuffer();
31 
32  void open(const std::string &filename);
33  void close();
34  bool is_open();
35  size_t size();
36 
37 private:
38  int_type underflow();
39 
40  std::streampos seekpos(std::streampos sp, std::ios_base::openmode which);
41  std::streampos seekoff(std::streamoff off, std::ios_base::seekdir way, std::ios_base::openmode which);
42 
43  // copy ctor and assignment not implemented;
44  // copying not allowed
46  CInputStreamBuffer &operator= (const CInputStreamBuffer &);
47 
48  PHYSFS_File *m_file;
49  char *m_buffer;
50  size_t m_buffer_size;
51 };
Definition: inputstreambuffer.h:26