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// MultiStream.h
#ifndef __MULTISTREAM_H
#define __MULTISTREAM_H
#include "../../../Common/MyCom.h"
#include "../../../Common/MyVector.h"
#include "../../Archive/IArchive.h"
class CMultiStream:
public IInStream,
public CMyUnknownImp
{
int _streamIndex;
UInt64 _pos;
UInt64 _seekPos;
UInt64 _totalLength;
public:
struct CSubStreamInfo
{
CMyComPtr<IInStream> Stream;
UInt64 Pos;
UInt64 Size;
};
CObjectVector<CSubStreamInfo> Streams;
void Init()
{
_streamIndex = 0;
_pos = 0;
_seekPos = 0;
_totalLength = 0;
for (int i = 0; i < Streams.Size(); i++)
_totalLength += Streams[i].Size;
}
MY_UNKNOWN_IMP1(IInStream)
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
};
/*
class COutMultiStream:
public IOutStream,
public CMyUnknownImp
{
int _streamIndex; // required stream
UInt64 _offsetPos; // offset from start of _streamIndex index
UInt64 _absPos;
UInt64 _length;
struct CSubStreamInfo
{
CMyComPtr<ISequentialOutStream> Stream;
UInt64 Size;
UInt64 Pos;
};
CObjectVector<CSubStreamInfo> Streams;
public:
CMyComPtr<IArchiveUpdateCallback2> VolumeCallback;
void Init()
{
_streamIndex = 0;
_offsetPos = 0;
_absPos = 0;
_length = 0;
}
MY_UNKNOWN_IMP1(IOutStream)
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
};
*/
#endif
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