sound/softsynth/mt32/mt32_file.h

   1 /* Copyright (c) 2003-2005 Various contributors
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to
   5  * deal in the Software without restriction, including without limitation the
   6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   7  * sell copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  19  * IN THE SOFTWARE.
  20  */
  21
  22 #ifndef MT32EMU_FILE_H
  23 #define MT32EMU_FILE_H
  24
  25 #include <stdio.h>
  26
  27 namespace MT32Emu {
  28
  29 class File {
  30 public:
  31         enum OpenMode {
  32                 OpenMode_read  = 0,
  33                 OpenMode_write = 1
  34         };
  35         virtual ~File() {}
  36         virtual void close() = 0;
  37         virtual size_t read(void *in, size_t size) = 0;
  38         virtual bool readBit8u(Bit8u *in) = 0;
  39         virtual bool readBit16u(Bit16u *in);
  40         virtual bool readBit32u(Bit32u *in);
  41         virtual size_t write(const void *out, size_t size) = 0;
  42         virtual bool writeBit8u(Bit8u out) = 0;
  43         // Note: May write a single byte to the file before failing
  44         virtual bool writeBit16u(Bit16u out);
  45         // Note: May write some (<4) bytes to the file before failing
  46         virtual bool writeBit32u(Bit32u out);
  47         virtual bool isEOF() = 0;
  48 };
  49
  50 class ANSIFile: public File {
  51 private:
  52         FILE *fp;
  53 public:
  54         bool open(const char *filename, OpenMode mode);
  55         void close();
  56         size_t read(void *in, size_t size);
  57         bool readBit8u(Bit8u *in);
  58         size_t write(const void *out, size_t size);
  59         bool writeBit8u(Bit8u out);
  60         bool isEOF();
  61 };
  62
  63 }
  64
  65 #endif