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-rwxr-xr-xCPP/7zip/Compress/Bcj2Coder.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/CPP/7zip/Compress/Bcj2Coder.h b/CPP/7zip/Compress/Bcj2Coder.h
new file mode 100755
index 0000000..c8f0893
--- /dev/null
+++ b/CPP/7zip/Compress/Bcj2Coder.h
@@ -0,0 +1,115 @@
+// Bcj2Coder.h
+
+#ifndef __COMPRESS_BCJ2_CODER_H
+#define __COMPRESS_BCJ2_CODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+#include "RangeCoderBit.h"
+
+namespace NCompress {
+namespace NBcj2 {
+
+const int kNumMoveBits = 5;
+
+#ifndef EXTRACT_ONLY
+
+class CEncoder:
+ public ICompressCoder2,
+ public CMyUnknownImp
+{
+ Byte *_buffer;
+ bool Create();
+
+ COutBuffer _mainStream;
+ COutBuffer _callStream;
+ COutBuffer _jumpStream;
+ NCompress::NRangeCoder::CEncoder _rangeEncoder;
+ NCompress::NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2];
+
+ HRESULT Flush();
+public:
+ void ReleaseStreams()
+ {
+ _mainStream.ReleaseStream();
+ _callStream.ReleaseStream();
+ _jumpStream.ReleaseStream();
+ _rangeEncoder.ReleaseStream();
+ }
+
+ class CCoderReleaser
+ {
+ CEncoder *_coder;
+ public:
+ CCoderReleaser(CEncoder *coder): _coder(coder) {}
+ ~CCoderReleaser() { _coder->ReleaseStreams(); }
+ };
+
+public:
+ MY_UNKNOWN_IMP
+
+ HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
+ ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress);
+ STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
+ ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress);
+ CEncoder(): _buffer(0) {};
+ ~CEncoder();
+};
+
+#endif
+
+class CDecoder:
+ public ICompressCoder2,
+ public ICompressSetBufSize,
+ public CMyUnknownImp
+{
+ CInBuffer _mainInStream;
+ CInBuffer _callStream;
+ CInBuffer _jumpStream;
+ NCompress::NRangeCoder::CDecoder _rangeDecoder;
+ NCompress::NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2];
+
+ COutBuffer _outStream;
+ UInt32 _inBufSizes[4];
+ UInt32 _outBufSize;
+
+public:
+ void ReleaseStreams()
+ {
+ _mainInStream.ReleaseStream();
+ _callStream.ReleaseStream();
+ _jumpStream.ReleaseStream();
+ _rangeDecoder.ReleaseStream();
+ _outStream.ReleaseStream();
+ }
+
+ HRESULT Flush() { return _outStream.Flush(); }
+ class CCoderReleaser
+ {
+ CDecoder *_coder;
+ public:
+ CCoderReleaser(CDecoder *coder): _coder(coder) {}
+ ~CCoderReleaser() { _coder->ReleaseStreams(); }
+ };
+
+public:
+ MY_UNKNOWN_IMP1(ICompressSetBufSize);
+ HRESULT CodeReal(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
+ ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress);
+ STDMETHOD(Code)(ISequentialInStream **inStreams, const UInt64 **inSizes, UInt32 numInStreams,
+ ISequentialOutStream **outStreams, const UInt64 **outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress);
+
+ STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size);
+ STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size);
+ CDecoder();
+};
+
+}}
+
+#endif