src/add-ons/media/plugins/ape_reader/MAClib/IO.h

   1 #ifndef APE_IO_H
   2 #define APE_IO_H
   3
   4 #ifndef FILE_BEGIN
   5     #define FILE_BEGIN        0
   6 #endif
   7
   8 #ifndef FILE_CURRENT
   9     #define FILE_CURRENT    1
  10 #endif
  11
  12 #ifndef FILE_END
  13     #define FILE_END        2
  14 #endif
  15
  16 class CIO
  17 {
  18
  19 public:
  20
  21     //construction / destruction
  22     CIO() { }
  23     virtual ~CIO() { };
  24
  25     // open / close
  26     virtual int Open(const wchar_t * pName) = 0;
  27     virtual int Close() = 0;
  28
  29     // read / write
  30     virtual int Read(void * pBuffer, unsigned int nBytesToRead, unsigned int * pBytesRead) = 0;
  31     virtual int Write(const void * pBuffer, unsigned int nBytesToWrite, unsigned int * pBytesWritten) = 0;
  32
  33     // seek
  34     virtual int Seek(int nDistance, unsigned int nMoveMode) = 0;
  35
  36     // creation / destruction
  37     virtual int Create(const wchar_t * pName) = 0;
  38     virtual int Delete() = 0;
  39
  40     // other functions
  41     virtual int SetEOF() = 0;
  42
  43     // attributes
  44     virtual int GetPosition() = 0;
  45     virtual int GetSize() = 0;
  46     virtual int GetName(wchar_t * pBuffer) = 0;
  47 };
  48
  49 #endif // #ifndef APE_IO_H