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// HandlerCont.h
#ifndef __HANDLER_CONT_H
#define __HANDLER_CONT_H
#include "../../Common/MyCom.h"
#include "IArchive.h"
namespace NArchive {
#define INTERFACE_IInArchive_Cont(x) \
STDMETHOD(Open)(IInStream *stream, const UInt64 *maxCheckStartPosition, IArchiveOpenCallback *openCallback) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(Close)() MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetNumberOfItems)(UInt32 *numItems) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetProperty)(UInt32 index, PROPID propID, PROPVARIANT *value) MY_NO_THROW_DECL_ONLY x; \
/* STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, Int32 testMode, IArchiveExtractCallback *extractCallback) MY_NO_THROW_DECL_ONLY x; */ \
STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetNumberOfProperties)(UInt32 *numProps) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetPropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProps) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetArchivePropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType) MY_NO_THROW_DECL_ONLY x; \
class CHandlerCont:
public IInArchive,
public IInArchiveGetStream,
public CMyUnknownImp
{
protected:
CMyComPtr<IInStream> _stream;
virtual int GetItem_ExtractInfo(UInt32 index, UInt64 &pos, UInt64 &size) const = 0;
public:
MY_UNKNOWN_IMP2(IInArchive, IInArchiveGetStream)
INTERFACE_IInArchive_Cont(PURE)
STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, Int32 testMode, IArchiveExtractCallback *extractCallback) MY_NO_THROW_DECL_ONLY;
STDMETHOD(GetStream)(UInt32 index, ISequentialInStream **stream);
// destructor must be virtual for this class
virtual ~CHandlerCont() {}
};
#define INTERFACE_IInArchive_Img(x) \
/* STDMETHOD(Open)(IInStream *stream, const UInt64 *maxCheckStartPosition, IArchiveOpenCallback *openCallback) MY_NO_THROW_DECL_ONLY x; */ \
STDMETHOD(Close)() MY_NO_THROW_DECL_ONLY x; \
/* STDMETHOD(GetNumberOfItems)(UInt32 *numItems) MY_NO_THROW_DECL_ONLY x; */ \
STDMETHOD(GetProperty)(UInt32 index, PROPID propID, PROPVARIANT *value) MY_NO_THROW_DECL_ONLY x; \
/* STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, Int32 testMode, IArchiveExtractCallback *extractCallback) MY_NO_THROW_DECL_ONLY x; */ \
STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetNumberOfProperties)(UInt32 *numProps) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetPropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProps) MY_NO_THROW_DECL_ONLY x; \
STDMETHOD(GetArchivePropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType) MY_NO_THROW_DECL_ONLY x; \
class CHandlerImg:
public IInStream,
public IInArchive,
public IInArchiveGetStream,
public CMyUnknownImp
{
protected:
UInt64 _virtPos;
UInt64 _posInArc;
UInt64 _size;
CMyComPtr<IInStream> Stream;
const char *_imgExt;
bool _stream_unavailData;
bool _stream_unsupportedMethod;
bool _stream_dataError;
// bool _stream_UsePackSize;
// UInt64 _stream_PackSize;
void ClearStreamVars()
{
_stream_unavailData = false;
_stream_unsupportedMethod = false;
_stream_dataError = false;
// _stream_UsePackSize = false;
// _stream_PackSize = 0;
}
virtual HRESULT Open2(IInStream *stream, IArchiveOpenCallback *openCallback) = 0;
virtual void CloseAtError();
public:
MY_UNKNOWN_IMP3(IInArchive, IInArchiveGetStream, IInStream)
INTERFACE_IInArchive_Img(PURE)
STDMETHOD(Open)(IInStream *stream, const UInt64 *maxCheckStartPosition, IArchiveOpenCallback *openCallback);
STDMETHOD(GetNumberOfItems)(UInt32 *numItems);
STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, Int32 testMode, IArchiveExtractCallback *extractCallback);
STDMETHOD(GetStream)(UInt32 index, ISequentialInStream **stream) = 0;
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) = 0;
STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
CHandlerImg();
// destructor must be virtual for this class
virtual ~CHandlerImg() {}
};
HRESULT ReadZeroTail(ISequentialInStream *stream, bool &areThereNonZeros, UInt64 &numZeros, UInt64 maxSize);
}
#endif
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