blob: 96bea9b2ef02b76a1d7f5b85a90b217cd9e802e1 (
plain)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// InStreamWithCRC.h
#ifndef __INSTREAMWITHCRC_H
#define __INSTREAMWITHCRC_H
#include "../../../Common/MyCom.h"
#include "../../IStream.h"
extern "C"
{
#include "../../../../C/7zCrc.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
|