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// InStreamWithCRC.h↩
↩
#ifndef __IN_STREAM_WITH_CRC_H↩
#define __IN_STREAM_WITH_CRC_H↩
↩
#include "../../../../C/7zCrc.h"↩
↩
#include "../../../Common/MyCom.h"↩
↩
#include "../../IStream.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↩