The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/other-licenses/7zstub/src/7zip/Common/InBuffer.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,76 @@
     1.4 +// InBuffer.h
     1.5 +
     1.6 +#ifndef __INBUFFER_H
     1.7 +#define __INBUFFER_H
     1.8 +
     1.9 +#include "../IStream.h"
    1.10 +#include "../../Common/MyCom.h"
    1.11 +
    1.12 +#ifndef _NO_EXCEPTIONS
    1.13 +class CInBufferException
    1.14 +{
    1.15 +public:
    1.16 +  HRESULT ErrorCode;
    1.17 +  CInBufferException(HRESULT errorCode): ErrorCode(errorCode) {}
    1.18 +};
    1.19 +#endif
    1.20 +
    1.21 +class CInBuffer
    1.22 +{
    1.23 +  Byte *_buffer;
    1.24 +  Byte *_bufferLimit;
    1.25 +  Byte *_bufferBase;
    1.26 +  CMyComPtr<ISequentialInStream> _stream;
    1.27 +  UInt64 _processedSize;
    1.28 +  UInt32 _bufferSize;
    1.29 +  bool _wasFinished;
    1.30 +
    1.31 +  bool ReadBlock();
    1.32 +  Byte ReadBlock2();
    1.33 +
    1.34 +public:
    1.35 +  #ifdef _NO_EXCEPTIONS
    1.36 +  HRESULT ErrorCode;
    1.37 +  #endif
    1.38 +
    1.39 +  CInBuffer();
    1.40 +  ~CInBuffer() { Free(); }
    1.41 +
    1.42 +  bool Create(UInt32 bufferSize);
    1.43 +  void Free();
    1.44 +  
    1.45 +  void SetStream(ISequentialInStream *stream);
    1.46 +  void Init();
    1.47 +  void ReleaseStream() { _stream.Release(); }
    1.48 +
    1.49 +  bool ReadByte(Byte &b)
    1.50 +  {
    1.51 +    if(_buffer >= _bufferLimit)
    1.52 +      if(!ReadBlock())
    1.53 +        return false;
    1.54 +    b = *_buffer++;
    1.55 +    return true;
    1.56 +  }
    1.57 +  Byte ReadByte()
    1.58 +  {
    1.59 +    if(_buffer >= _bufferLimit)
    1.60 +      return ReadBlock2();
    1.61 +    return *_buffer++;
    1.62 +  }
    1.63 +  void ReadBytes(void *data, UInt32 size, UInt32 &processedSize)
    1.64 +  {
    1.65 +    for(processedSize = 0; processedSize < size; processedSize++)
    1.66 +      if (!ReadByte(((Byte *)data)[processedSize]))
    1.67 +        return;
    1.68 +  }
    1.69 +  bool ReadBytes(void *data, UInt32 size)
    1.70 +  {
    1.71 +    UInt32 processedSize;
    1.72 +    ReadBytes(data, size, processedSize);
    1.73 +    return (processedSize == size);
    1.74 +  }
    1.75 +  UInt64 GetProcessedSize() const { return _processedSize + (_buffer - _bufferBase); }
    1.76 +  bool WasFinished() const { return _wasFinished; }
    1.77 +};
    1.78 +
    1.79 +#endif