vcs.maemo.org Git - physicsfs/blob - lzma/CPP/7zip/Common/InOutTempBuffer.h

   1 // Util/InOutTempBuffer.h
   2
   3 #ifndef __IN_OUT_TEMP_BUFFER_H
   4 #define __IN_OUT_TEMP_BUFFER_H
   5
   6 #include "../../Windows/FileIO.h"
   7 #include "../../Windows/FileDir.h"
   8 #include "../../Common/MyCom.h"
   9
  10 #include "../IStream.h"
  11
  12 class CInOutTempBuffer
  13 {
  14   NWindows::NFile::NDirectory::CTempFile _tempFile;
  15   NWindows::NFile::NIO::COutFile _outFile;
  16   NWindows::NFile::NIO::CInFile _inFile;
  17   Byte *_buffer;
  18   UInt32 _bufferPosition;
  19   UInt32 _currentPositionInBuffer;
  20   CSysString _tmpFileName;
  21   bool _tmpFileCreated;
  22
  23   UInt64 _fileSize;
  24
  25   bool WriteToFile(const void *data, UInt32 size);
  26 public:
  27   CInOutTempBuffer();
  28   ~CInOutTempBuffer();
  29   void Create();
  30
  31   void InitWriting();
  32   bool Write(const void *data, UInt32 size);
  33   UInt64 GetDataSize() const { return _fileSize; }
  34   bool FlushWrite();
  35   bool InitReading();
  36   HRESULT WriteToStream(ISequentialOutStream *stream);
  37 };
  38
  39 class CSequentialOutTempBufferImp:
  40   public ISequentialOutStream,
  41   public CMyUnknownImp
  42 {
  43   CInOutTempBuffer *_buffer;
  44 public:
  45   // CSequentialOutStreamImp(): _size(0) {}
  46   // UInt32 _size;
  47   void Init(CInOutTempBuffer *buffer)  { _buffer = buffer; }
  48   // UInt32 GetSize() const { return _size; }
  49
  50   MY_UNKNOWN_IMP
  51
  52   STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
  53 };
  54
  55 #endif