src/emulation/sky/lzs.hpp

   1 #ifndef _skycore__lzs__hpp__included__
   2 #define _skycore__lzs__hpp__included__
   3
   4 #include <cstdint>
   5 #include <iostream>
   6 #include <cstring>
   7 #include <stdexcept>
   8
   9 namespace sky
  10 {
  11         struct data_error : public std::runtime_error
  12         {
  13                 data_error(const char* errmsg);
  14         };
  15
  16         struct input_stream
  17         {
  18                 virtual ~input_stream();
  19                 virtual int get() = 0;
  20                 unsigned char read(const char* msg)
  21                 {
  22                         int r = get();
  23                         if(r < 0) throw data_error(msg);
  24                         return (r & 0xFF);
  25                 }
  26         };
  27
  28         struct output_stream
  29         {
  30                 virtual void put(unsigned char byte) = 0;
  31         };
  32
  33         void lzs_decompress(input_stream& in, output_stream& out, size_t size);
  34 }
  35 #endif