git.maemo.org Git - physicsfs/blob - lzma/CPP/7zip/Archive/7z/7zFolderInStream.h

   1 // 7z/FolderInStream.h
   2
   3 #ifndef __7Z_FOLDERINSTREAM_H
   4 #define __7Z_FOLDERINSTREAM_H
   5
   6 #include "7zItem.h"
   7 #include "7zHeader.h"
   8
   9 #include "../IArchive.h"
  10 #include "../Common/InStreamWithCRC.h"
  11 #include "../../IStream.h"
  12 #include "../../ICoder.h"
  13
  14 namespace NArchive {
  15 namespace N7z {
  16
  17 class CFolderInStream:
  18   public ISequentialInStream,
  19   public ICompressGetSubStreamSize,
  20   public CMyUnknownImp
  21 {
  22 public:
  23
  24   MY_UNKNOWN_IMP1(ICompressGetSubStreamSize)
  25
  26   CFolderInStream();
  27
  28   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
  29
  30   STDMETHOD(GetSubStreamSize)(UInt64 subStream, UInt64 *value);
  31 private:
  32   CSequentialInStreamWithCRC *_inStreamWithHashSpec;
  33   CMyComPtr<ISequentialInStream> _inStreamWithHash;
  34   CMyComPtr<IArchiveUpdateCallback> _updateCallback;
  35
  36   bool _currentSizeIsDefined;
  37   UInt64 _currentSize;
  38
  39   bool _fileIsOpen;
  40   UInt64 _filePos;
  41
  42   const UInt32 *_fileIndices;
  43   UInt32 _numFiles;
  44   UInt32 _fileIndex;
  45
  46   HRESULT OpenStream();
  47   HRESULT CloseStream();
  48   void AddDigest();
  49 public:
  50   void Init(IArchiveUpdateCallback *updateCallback,
  51       const UInt32 *fileIndices, UInt32 numFiles);
  52   CRecordVector<bool> Processed;
  53   CRecordVector<UInt32> CRCs;
  54   CRecordVector<UInt64> Sizes;
  55   UInt64 GetFullSize() const
  56   {
  57     UInt64 size = 0;
  58     for (int i = 0; i < Sizes.Size(); i++)
  59       size += Sizes[i];
  60     return size;
  61   }
  62 };
  63
  64 }}
  65
  66 #endif