1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// OutStreamWithCRC.h
#ifndef __OUT_STREAM_WITH_CRC_H
#define __OUT_STREAM_WITH_CRC_H
#include "../../../../C/7zCrc.h"
#include "../../../Common/MyCom.h"
#include "../../IStream.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 EnableCalc(bool calculate) { _calculate = calculate; }
void InitCRC() { _crc = CRC_INIT_VAL; }
UInt64 GetSize() const { return _size; }
UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); }
};
#endif
|
