1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Common/StreamObjects.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,117 @@
     1.4 +// StreamObjects.h
     1.5 +
     1.6 +#ifndef __STREAMOBJECTS_H
     1.7 +#define __STREAMOBJECTS_H
     1.8 +
     1.9 +#include "../../Common/DynamicBuffer.h"
    1.10 +#include "../../Common/MyCom.h"
    1.11 +#include "../IStream.h"
    1.12 +
    1.13 +class CSequentialInStreamImp:
    1.14 +  public ISequentialInStream,
    1.15 +  public CMyUnknownImp
    1.16 +{
    1.17 +  const Byte *_dataPointer;
    1.18 +  size_t _size;
    1.19 +  size_t _pos;
    1.20 +
    1.21 +public:
    1.22 +  void Init(const Byte *dataPointer, size_t size)
    1.23 +  {
    1.24 +    _dataPointer = dataPointer;
    1.25 +    _size = size;
    1.26 +    _pos = 0;
    1.27 +  }
    1.28 +
    1.29 +  MY_UNKNOWN_IMP
    1.30 +
    1.31 +  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
    1.32 +};
    1.33 +
    1.34 +
    1.35 +class CWriteBuffer
    1.36 +{
    1.37 +  CByteDynamicBuffer _buffer;
    1.38 +  size_t _size;
    1.39 +public:
    1.40 +  CWriteBuffer(): _size(0) {}
    1.41 +  void Init() { _size = 0;  }
    1.42 +  void Write(const void *data, size_t size);
    1.43 +  size_t GetSize() const { return _size; }
    1.44 +  const CByteDynamicBuffer& GetBuffer() const { return _buffer; }
    1.45 +};
    1.46 +
    1.47 +class CSequentialOutStreamImp:
    1.48 +  public ISequentialOutStream,
    1.49 +  public CMyUnknownImp
    1.50 +{
    1.51 +  CWriteBuffer _writeBuffer;
    1.52 +public:
    1.53 +  void Init() { _writeBuffer.Init(); }
    1.54 +  size_t GetSize() const { return _writeBuffer.GetSize(); }
    1.55 +  const CByteDynamicBuffer& GetBuffer() const { return _writeBuffer.GetBuffer(); }
    1.56 +
    1.57 +  MY_UNKNOWN_IMP
    1.58 +
    1.59 +  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
    1.60 +};
    1.61 +
    1.62 +class CSequentialOutStreamImp2:
    1.63 +  public ISequentialOutStream,
    1.64 +  public CMyUnknownImp
    1.65 +{
    1.66 +  Byte *_buffer;
    1.67 +  size_t _size;
    1.68 +  size_t _pos;
    1.69 +public:
    1.70 +
    1.71 +  void Init(Byte *buffer, size_t size)
    1.72 +  {
    1.73 +    _buffer = buffer;
    1.74 +    _pos = 0;
    1.75 +    _size = size;
    1.76 +  }
    1.77 +
    1.78 +  size_t GetPos() const { return _pos; }
    1.79 +
    1.80 +  MY_UNKNOWN_IMP
    1.81 +
    1.82 +  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
    1.83 +};
    1.84 +
    1.85 +class CSequentialInStreamSizeCount:
    1.86 +  public ISequentialInStream,
    1.87 +  public CMyUnknownImp
    1.88 +{
    1.89 +  CMyComPtr<ISequentialInStream> _stream;
    1.90 +  UInt64 _size;
    1.91 +public:
    1.92 +  void Init(ISequentialInStream *stream)
    1.93 +  {
    1.94 +    _stream = stream;
    1.95 +    _size = 0;
    1.96 +  }
    1.97 +  UInt64 GetSize() const { return _size; }
    1.98 +
    1.99 +  MY_UNKNOWN_IMP
   1.100 +
   1.101 +  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
   1.102 +};
   1.103 +
   1.104 +class CSequentialOutStreamSizeCount:
   1.105 +  public ISequentialOutStream,
   1.106 +  public CMyUnknownImp
   1.107 +{
   1.108 +  CMyComPtr<ISequentialOutStream> _stream;
   1.109 +  UInt64 _size;
   1.110 +public:
   1.111 +  void SetStream(ISequentialOutStream *stream) { _stream = stream; }
   1.112 +  void Init() { _size = 0; }
   1.113 +  UInt64 GetSize() const { return _size; }
   1.114 +
   1.115 +  MY_UNKNOWN_IMP
   1.116 +
   1.117 +  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
   1.118 +};
   1.119 +
   1.120 +#endif