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// CabBlockInStream.h
#ifndef __CAB_BLOCK_IN_STREAM_H
#define __CAB_BLOCK_IN_STREAM_H
#include "../../../Common/MyCom.h"
#include "../../IStream.h"
namespace NArchive {
namespace NCab {
class CCabBlockInStream:
public ISequentialInStream,
public CMyUnknownImp
{
Byte *_buf;
UInt32 _size;
UInt32 _pos;
public:
UInt32 ReservedSize; // < 256
bool MsZip;
MY_UNKNOWN_IMP
CCabBlockInStream(): _buf(0), ReservedSize(0), MsZip(false) {}
~CCabBlockInStream();
bool Create();
void InitForNewBlock() { _size = 0; _pos = 0; }
HRESULT PreRead(ISequentialInStream *stream, UInt32 &packSize, UInt32 &unpackSize);
UInt32 GetPackSizeAvail() const { return _size - _pos; }
const Byte *GetData() const { return _buf + _pos; }
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
};
}}
#endif
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