1 // OutStreamWithCRC.h 2 3 #ifndef ZIP7_INC_OUT_STREAM_WITH_CRC_H 4 #define ZIP7_INC_OUT_STREAM_WITH_CRC_H 5 6 #include "../../../../C/7zCrc.h" 7 8 #include "../../../Common/MyCom.h" 9 10 #include "../../IStream.h" 11 12 Z7_CLASS_IMP_NOQIB_1( 13 COutStreamWithCRC 14 , ISequentialOutStream 15 ) 16 CMyComPtr<ISequentialOutStream> _stream; 17 UInt64 _size; 18 UInt32 _crc; 19 bool _calculate; 20 public: SetStream(ISequentialOutStream * stream)21 void SetStream(ISequentialOutStream *stream) { _stream = stream; } ReleaseStream()22 void ReleaseStream() { _stream.Release(); } 23 void Init(bool calculate = true) 24 { 25 _size = 0; 26 _calculate = calculate; 27 _crc = CRC_INIT_VAL; 28 } EnableCalc(bool calculate)29 void EnableCalc(bool calculate) { _calculate = calculate; } InitCRC()30 void InitCRC() { _crc = CRC_INIT_VAL; } GetSize()31 UInt64 GetSize() const { return _size; } GetCRC()32 UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); } 33 }; 34 35 #endif 36