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