diff options
Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Archive/Common/InStreamWithCRC.h')
-rw-r--r-- | src/libs/7zip/win/CPP/7zip/Archive/Common/InStreamWithCRC.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Archive/Common/InStreamWithCRC.h b/src/libs/7zip/win/CPP/7zip/Archive/Common/InStreamWithCRC.h new file mode 100644 index 000000000..31b761e45 --- /dev/null +++ b/src/libs/7zip/win/CPP/7zip/Archive/Common/InStreamWithCRC.h @@ -0,0 +1,67 @@ +// InStreamWithCRC.h + +#ifndef __IN_STREAM_WITH_CRC_H +#define __IN_STREAM_WITH_CRC_H + +#include "../../../../C/7zCrc.h" + +#include "../../../Common/MyCom.h" + +#include "../../IStream.h" + +class CSequentialInStreamWithCRC: + public ISequentialInStream, + public CMyUnknownImp +{ +public: + MY_UNKNOWN_IMP + + STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); +private: + CMyComPtr<ISequentialInStream> _stream; + UInt64 _size; + UInt32 _crc; + bool _wasFinished; +public: + void SetStream(ISequentialInStream *stream) { _stream = stream; } + void Init() + { + _size = 0; + _wasFinished = false; + _crc = CRC_INIT_VAL; + } + void ReleaseStream() { _stream.Release(); } + UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); } + UInt64 GetSize() const { return _size; } + bool WasFinished() const { return _wasFinished; } +}; + +class CInStreamWithCRC: + public IInStream, + public CMyUnknownImp +{ +public: + MY_UNKNOWN_IMP1(IInStream) + + STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); + STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition); +private: + CMyComPtr<IInStream> _stream; + UInt64 _size; + UInt32 _crc; + // bool _wasFinished; +public: + void SetStream(IInStream *stream) { _stream = stream; } + void Init() + { + _size = 0; + // _wasFinished = false; + _crc = CRC_INIT_VAL; + } + void ReleaseStream() { _stream.Release(); } + UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); } + UInt64 GetSize() const { return _size; } + // bool WasFinished() const { return _wasFinished; } +}; + +#endif |