CPP/7zip/Archive/7z/7zSpecStream.h

   1 // 7zSpecStream.h\r
   2 \r
   3 #ifndef __7Z_SPEC_STREAM_H\r
   4 #define __7Z_SPEC_STREAM_H\r
   5 \r
   6 #include "../../IStream.h"\r
   7 #include "../../ICoder.h"\r
   8 #include "../../../Common/MyCom.h"\r
   9 \r
  10 class CSequentialInStreamSizeCount2:\r
  11   public ISequentialInStream,\r
  12   public ICompressGetSubStreamSize,\r
  13   public CMyUnknownImp\r
  14 {\r
  15   CMyComPtr<ISequentialInStream> _stream;\r
  16   CMyComPtr<ICompressGetSubStreamSize> _getSubStreamSize;\r
  17   UInt64 _size;\r
  18 public:\r
  19   void Init(ISequentialInStream *stream)\r
  20   {\r
  21     _stream = stream;\r
  22     _getSubStreamSize = 0;\r
  23     _stream.QueryInterface(IID_ICompressGetSubStreamSize, &_getSubStreamSize);\r
  24     _size = 0;\r
  25   }\r
  26   UInt64 GetSize() const { return _size; }\r
  27 \r
  28   MY_UNKNOWN_IMP1(ICompressGetSubStreamSize)\r
  29 \r
  30   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);\r
  31 \r
  32   STDMETHOD(GetSubStreamSize)(UInt64 subStream, UInt64 *value);\r
  33 };\r
  34 \r
  35 #endif\r