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