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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h b/other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h new file mode 100644 index 000000000..b141e5545 --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Common/MSBFEncoder.h @@ -0,0 +1,59 @@ +// Stream/MSBFEncoder.h
+
+#ifndef __STREAM_MSBFENCODER_H
+#define __STREAM_MSBFENCODER_H
+
+#include "Common/Defs.h"
+#include "../IStream.h"
+#include "OutBuffer.h"
+
+namespace NStream {
+namespace NMSBF {
+
+template<class TOutByte>
+class CEncoder
+{
+ TOutByte m_Stream;
+ int m_BitPos;
+ Byte m_CurByte;
+public:
+ bool Create(UInt32 bufferSize) { return m_Stream.Create(bufferSize); }
+ void SetStream(ISequentialOutStream *outStream) { m_Stream.SetStream(outStream);}
+ void ReleaseStream() { m_Stream.ReleaseStream(); }
+ void Init()
+ {
+ m_Stream.Init();
+ m_BitPos = 8;
+ m_CurByte = 0;
+ }
+ HRESULT Flush()
+ {
+ if(m_BitPos < 8)
+ WriteBits(0, m_BitPos);
+ return m_Stream.Flush();
+ }
+
+ void WriteBits(UInt32 value, int numBits)
+ {
+ while(numBits > 0)
+ {
+ if (numBits < m_BitPos)
+ {
+ m_CurByte |= ((Byte)value << (m_BitPos -= numBits));
+ return;
+ }
+ numBits -= m_BitPos;
+ UInt32 newBits = (value >> numBits);
+ value -= (newBits << numBits);
+ m_Stream.WriteByte(m_CurByte | (Byte)newBits);
+ m_BitPos = 8;
+ m_CurByte = 0;
+ }
+ }
+ UInt64 GetProcessedSize() const {
+ return m_Stream.GetProcessedSize() + (8 - m_BitPos + 7) / 8; }
+};
+
+}}
+
+#endif
|