The Tor Browser / file comparison
comparison: other-licenses/7zstub/src/7zip/Common/LSBFEncoder.h
other-licenses/7zstub/src/7zip/Common/LSBFEncoder.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
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replaced
| -1:000000000000 | 0:bff0f96d14db |
|---|---|
| 1 // Stream/LSBFEncoder.h | |
| 2 | |
| 3 #ifndef __STREAM_LSBFENCODER_H | |
| 4 #define __STREAM_LSBFENCODER_H | |
| 5 | |
| 6 #include "../IStream.h" | |
| 7 #include "OutBuffer.h" | |
| 8 | |
| 9 namespace NStream { | |
| 10 namespace NLSBF { | |
| 11 | |
| 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 } | |
| 32 | |
| 33 void FlushByte() | |
| 34 { | |
| 35 if(m_BitPos < 8) | |
| 36 m_Stream.WriteByte(m_CurByte); | |
| 37 m_BitPos = 8; | |
| 38 m_CurByte = 0; | |
| 39 } | |
| 40 | |
| 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 }; | |
| 47 | |
| 48 | |
| 49 }} | |
| 50 | |
| 51 #endif |
