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- // OutStreamWithCRC.h
- #ifndef __OUTSTREAMWITHCRC_H
- #define __OUTSTREAMWITHCRC_H
- #include "../../../Common/MyCom.h"
- #include "../../IStream.h"
- extern "C"
- {
- #include "../../../../C/7zCrc.h"
- }
- class COutStreamWithCRC:
- public ISequentialOutStream,
- public CMyUnknownImp
- {
- CMyComPtr<ISequentialOutStream> _stream;
- UInt64 _size;
- UInt32 _crc;
- bool _calculate;
- public:
- MY_UNKNOWN_IMP
- STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
- void SetStream(ISequentialOutStream *stream) { _stream = stream; }
- void ReleaseStream() { _stream.Release(); }
- void Init(bool calculate = true)
- {
- _size = 0;
- _calculate = calculate;
- _crc = CRC_INIT_VAL;
- }
- void InitCRC() { _crc = CRC_INIT_VAL; }
- UInt64 GetSize() const { return _size; }
- UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); }
- };
- #endif
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