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// 7z/FolderInStream.h
#ifndef __7Z_FOLDERINSTREAM_H
#define __7Z_FOLDERINSTREAM_H
#include "7zItem.h"
#include "7zHeader.h"
#include "../IArchive.h"
#include "../Common/InStreamWithCRC.h"
#include "../../IStream.h"
#include "../../ICoder.h"
namespace NArchive {
namespace N7z {
class CFolderInStream:
public ISequentialInStream,
public ICompressGetSubStreamSize,
public CMyUnknownImp
{
public:
MY_UNKNOWN_IMP1(ICompressGetSubStreamSize)
CFolderInStream();
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
STDMETHOD(GetSubStreamSize)(UInt64 subStream, UInt64 *value);
private:
CSequentialInStreamWithCRC *_inStreamWithHashSpec;
CMyComPtr<ISequentialInStream> _inStreamWithHash;
CMyComPtr<IArchiveUpdateCallback> _updateCallback;
bool _currentSizeIsDefined;
UInt64 _currentSize;
bool _fileIsOpen;
UInt64 _filePos;
const UInt32 *_fileIndices;
UInt32 _numFiles;
UInt32 _fileIndex;
HRESULT OpenStream();
HRESULT CloseStream();
void AddDigest();
public:
void Init(IArchiveUpdateCallback *updateCallback,
const UInt32 *fileIndices, UInt32 numFiles);
CRecordVector<bool> Processed;
CRecordVector<UInt32> CRCs;
CRecordVector<UInt64> Sizes;
UInt64 GetFullSize() const
{
UInt64 size = 0;
for (int i = 0; i < Sizes.Size(); i++)
size += Sizes[i];
return size;
}
};
}}
#endif
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