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This commit is contained in:
Igor Pavlov
2014-11-23 00:00:00 +00:00
committed by Kornel Lesiński
parent 83f8ddcc5b
commit f08f4dcc3c
1158 changed files with 76451 additions and 35082 deletions
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CPP/7zip/Compress/BitlEncoder.h
Executable → Regular
+24 -25
View File
@@ -7,51 +7,50 @@
class CBitlEncoder
{
COutBuffer m_Stream;
unsigned m_BitPos;
Byte m_CurByte;
COutBuffer _stream;
unsigned _bitPos;
Byte _curByte;
public:
bool Create(UInt32 bufferSize) { return m_Stream.Create(bufferSize); }
void SetStream(ISequentialOutStream *outStream) { m_Stream.SetStream(outStream); }
void ReleaseStream() { m_Stream.ReleaseStream(); }
UInt32 GetBitPosition() const { return (8 - m_BitPos); }
UInt64 GetProcessedSize() const { return m_Stream.GetProcessedSize() + (8 - m_BitPos + 7) /8; }
bool Create(UInt32 bufSize) { return _stream.Create(bufSize); }
void SetStream(ISequentialOutStream *outStream) { _stream.SetStream(outStream); }
// unsigned GetBitPosition() const { return (8 - _bitPos); }
UInt64 GetProcessedSize() const { return _stream.GetProcessedSize() + ((8 - _bitPos + 7) >> 3); }
void Init()
{
m_Stream.Init();
m_BitPos = 8;
m_CurByte = 0;
_stream.Init();
_bitPos = 8;
_curByte = 0;
}
HRESULT Flush()
{
FlushByte();
return m_Stream.Flush();
return _stream.Flush();
}
void FlushByte()
{
if (m_BitPos < 8)
m_Stream.WriteByte(m_CurByte);
m_BitPos = 8;
m_CurByte = 0;
if (_bitPos < 8)
_stream.WriteByte(_curByte);
_bitPos = 8;
_curByte = 0;
}
void WriteBits(UInt32 value, unsigned numBits)
{
while (numBits > 0)
{
if (numBits < m_BitPos)
if (numBits < _bitPos)
{
m_CurByte |= (value & ((1 << numBits) - 1)) << (8 - m_BitPos);
m_BitPos -= numBits;
_curByte |= (value & ((1 << numBits) - 1)) << (8 - _bitPos);
_bitPos -= numBits;
return;
}
numBits -= m_BitPos;
m_Stream.WriteByte((Byte)(m_CurByte | (value << (8 - m_BitPos))));
value >>= m_BitPos;
m_BitPos = 8;
m_CurByte = 0;
numBits -= _bitPos;
_stream.WriteByte((Byte)(_curByte | (value << (8 - _bitPos))));
value >>= _bitPos;
_bitPos = 8;
_curByte = 0;
}
}
void WriteByte(Byte b) { m_Stream.WriteByte(b);}
void WriteByte(Byte b) { _stream.WriteByte(b);}
};
#endif