libs/stream.h

   1 #ifndef _LSTREAM_H_
   2 #define _LSTREAM_H_
   3
   4 #include "buffer.h"
   5 #include "resources/device.h"
   6 #include "delegate.h"
   7
   8 namespace resources {
   9         class file;
  10 }
  11 namespace resources {
  12 class stream {
  13 public:
  14         virtual void read(buffer &) = 0;
  15         virtual void write(const buffer&) = 0;
  16 };
  17
  18 class memory_stream : public stream {
  19 private:
  20         buffer buf;
  21         int ptr;
  22
  23 public:
  24         memory_stream(buffer);
  25
  26         virtual void read(buffer &);
  27         virtual void write(const buffer&);
  28 };
  29
  30 class file_stream : public stream {
  31 private:
  32         p<resources::file> fp;
  33 public:
  34         file_stream(p<resources::file>);
  35
  36         virtual void seek(int);
  37         virtual void read(buffer &);
  38         virtual void write(const buffer&);
  39 };
  40
  41 }
  42 #endif