The Tor Browser: other-licenses/7zstub/src/7zip/Common/LSBFEncoder.h@925c144e1f1f

     1 // Stream/LSBFEncoder.h

     3 #ifndef __STREAM_LSBFENCODER_H

     4 #define __STREAM_LSBFENCODER_H

     6 #include "../IStream.h"

     7 #include "OutBuffer.h"

     9 namespace NStream {

    10 namespace NLSBF {

    12 class CEncoder

    13 {

    14   COutBuffer m_Stream;

    15   int m_BitPos;

    16   Byte m_CurByte;

    17 public:

    18   bool Create(UInt32 bufferSize) { return m_Stream.Create(bufferSize); }

    19   void SetStream(ISequentialOutStream *outStream) { m_Stream.SetStream(outStream); }

    20   void ReleaseStream() { m_Stream.ReleaseStream(); }

    21   void Init()

    22   {

    23     m_Stream.Init();

    24     m_BitPos = 8;

    25     m_CurByte = 0;

    26   }

    27   HRESULT Flush()

    28   {

    29     FlushByte();

    30     return m_Stream.Flush();

    31   }

    33   void FlushByte()

    34   {

    35     if(m_BitPos < 8)

    36       m_Stream.WriteByte(m_CurByte);

    37     m_BitPos = 8;

    38     m_CurByte = 0;

    39   }

    41   void WriteBits(UInt32 value, int numBits);

    42   UInt32 GetBitPosition() const {  return (8 - m_BitPos); }

    43   UInt64 GetProcessedSize() const {

    44       return m_Stream.GetProcessedSize() + (8 - m_BitPos + 7) /8; }

    45   void WriteByte(Byte b) { m_Stream.WriteByte(b);}

    46 };

    49 }}

    51 #endif

The Tor Browser / file revision