third_party/lzma/v4_65/files/CPP/7zip/Archive/Common/InStreamWithCRC.h - Issue 624713003: Keep only base/extractor.[cc|h].

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Side by Side Diff: third_party/lzma/v4_65/files/CPP/7zip/Archive/Common/InStreamWithCRC.h

Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master

Patch Set: Created 6 years, 2 months ago

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1 // InStreamWithCRC.h

2

3 #ifndef __INSTREAMWITHCRC_H

4 #define __INSTREAMWITHCRC_H

5

6 #include "../../../Common/MyCom.h"

7 #include "../../IStream.h"

8

9 extern "C"

10 {

11 #include "../../../../C/7zCrc.h"

12 }

13

14 class CSequentialInStreamWithCRC:

15 public ISequentialInStream,

16 public CMyUnknownImp

17 {

18 public:

19 MY_UNKNOWN_IMP

20

21 STDMETHOD(Read)(void data, UInt32 size, UInt32 processedSize);

22 private:

23 CMyComPtr<ISequentialInStream> _stream;

24 UInt64 _size;

25 UInt32 _crc;

26 bool _wasFinished;

27 public:

28 void SetStream(ISequentialInStream *stream) { _stream = stream; }

29 void Init()

30 {

31 _size = 0;

32 _wasFinished = false;

33 _crc = CRC_INIT_VAL;

34 }

35 void ReleaseStream() { _stream.Release(); }

36 UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); }

37 UInt64 GetSize() const { return _size; }

38 bool WasFinished() const { return _wasFinished; }

39 };

40

41 class CInStreamWithCRC:

42 public IInStream,

43 public CMyUnknownImp

44 {

45 public:

46 MY_UNKNOWN_IMP1(IInStream)

47

48 STDMETHOD(Read)(void data, UInt32 size, UInt32 processedSize);

49 STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);

50 private:

51 CMyComPtr<IInStream> _stream;

52 UInt64 _size;

53 UInt32 _crc;

54 bool _wasFinished;

55 public:

56 void SetStream(IInStream *stream) { _stream = stream; }

57 void Init()

58 {

59 _size = 0;

60 _wasFinished = false;

61 _crc = CRC_INIT_VAL;

62 }

63 void ReleaseStream() { _stream.Release(); }

64 UInt32 GetCRC() const { return CRC_GET_DIGEST(_crc); }

65 UInt64 GetSize() const { return _size; }

66 bool WasFinished() const { return _wasFinished; }

67 };

68

69 #endif

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