1 files changed, 0 insertions, 264 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/QuantumDecoder.h b/src/libs/7zip/win/CPP/7zip/Compress/QuantumDecoder.h
deleted file mode 100644
index e9ab023ba..000000000
--- a/src/libs/7zip/win/CPP/7zip/Compress/QuantumDecoder.h
+++ /dev/null
@@ -1,264 +0,0 @@
-// QuantumDecoder.h
-
-#ifndef __COMPRESS_QUANTUM_DECODER_H
-#define __COMPRESS_QUANTUM_DECODER_H
-
-#include "../../Common/MyCom.h"
-
-#include "../ICoder.h"
-
-#include "../Common/InBuffer.h"
-
-#include "LzOutWindow.h"
-
-namespace NCompress {
-namespace NQuantum {
-
-class CStreamBitDecoder
-{
-  UInt32 Value;
-  CInBuffer Stream;
-public:
-  bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); }
-  void SetStream(ISequentialInStream *stream) { Stream.SetStream(stream); }
-  void ReleaseStream() { Stream.ReleaseStream(); }
-
-  void Finish() { Value = 0x10000; }
-
-  void Init()
-  {
-    Stream.Init();
-    Value = 0x10000;
-  }
-
-  UInt64 GetProcessedSize() const { return Stream.GetProcessedSize(); }
-  bool WasFinished() const { return Stream.WasFinished(); }
-  
-  UInt32 ReadBit()
-  {
-    if (Value >= 0x10000)
-      Value = 0x100 | Stream.ReadByte();
-    UInt32 res = (Value >> 7) & 1;
-    Value <<= 1;
-    return res;
-  }
-
-  UInt32 ReadBits(int numBits) // numBits > 0
-  {
-    UInt32 res = 0;
-    do
-      res = (res << 1) | ReadBit();
-    while (--numBits != 0);
-    return res;
-  }
-};
-
-const unsigned kNumLitSelectorBits = 2;
-const unsigned kNumLitSelectors = (1 << kNumLitSelectorBits);
-const unsigned kNumLitSymbols = 1 << (8 - kNumLitSelectorBits);
-const unsigned kNumMatchSelectors = 3;
-const unsigned kNumSelectors = kNumLitSelectors + kNumMatchSelectors;
-const unsigned kNumSymbolsMax = kNumLitSymbols; // 64
-
-namespace NRangeCoder {
-
-class CDecoder
-{
-  UInt32 Low;
-  UInt32 Range;
-  UInt32 Code;
-public:
-  CStreamBitDecoder Stream;
-  bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); }
-  void SetStream(ISequentialInStream *stream) { Stream.SetStream(stream); }
-  void ReleaseStream() { Stream.ReleaseStream(); }
-
-  void Init()
-  {
-    Stream.Init();
-    Low = 0;
-    Range = 0x10000;
-    Code = Stream.ReadBits(16);
-  }
-
-  void Finish()
-  {
-    // we need these extra two Bit_reads
-    Stream.ReadBit();
-    Stream.ReadBit();
-    Stream.Finish();
-  }
-
-  UInt64 GetProcessedSize() const { return Stream.GetProcessedSize(); }
-
-  UInt32 GetThreshold(UInt32 total) const
-  {
-    return ((Code + 1) * total - 1) / Range; // & 0xFFFF is not required;
-  }
-
-  void Decode(UInt32 start, UInt32 end, UInt32 total)
-  {
-    UInt32 high = Low + end * Range / total - 1;
-    UInt32 offset = start * Range / total;
-    Code -= offset;
-    Low += offset;
-    for (;;)
-    {
-      if ((Low & 0x8000) != (high & 0x8000))
-      {
-        if ((Low & 0x4000) == 0 || (high & 0x4000) != 0)
-          break;
-        Low &= 0x3FFF;
-        high |= 0x4000;
-      }
-      Low = (Low << 1) & 0xFFFF;
-      high = ((high << 1) | 1) & 0xFFFF;
-      Code = ((Code << 1) | Stream.ReadBit());
-    }
-    Range = high - Low + 1;
-  }
-};
-
-const UInt16 kUpdateStep = 8;
-const UInt16 kFreqSumMax = 3800;
-const UInt16 kReorderCountStart = 4;
-const UInt16 kReorderCount = 50;
-
-class CModelDecoder
-{
-  unsigned NumItems;
-  unsigned ReorderCount;
-  UInt16 Freqs[kNumSymbolsMax + 1];
-  Byte Values[kNumSymbolsMax];
-public:
-  void Init(unsigned numItems)
-  {
-    NumItems = numItems;
-    ReorderCount = kReorderCountStart;
-    for (unsigned i = 0; i < numItems; i++)
-    {
-      Freqs[i] = (UInt16)(numItems - i);
-      Values[i] = (Byte)i;
-    }
-    Freqs[numItems] = 0;
-  }
-  
-  unsigned Decode(CDecoder *rangeDecoder)
-  {
-    UInt32 threshold = rangeDecoder->GetThreshold(Freqs[0]);
-    unsigned i;
-    for (i = 1; Freqs[i] > threshold; i++);
-    rangeDecoder->Decode(Freqs[i], Freqs[i - 1], Freqs[0]);
-    unsigned res = Values[--i];
-    do
-      Freqs[i] += kUpdateStep;
-    while (i-- != 0);
-
-    if (Freqs[0] > kFreqSumMax)
-    {
-      if (--ReorderCount == 0)
-      {
-        ReorderCount = kReorderCount;
-        for (i = 0; i < NumItems; i++)
-          Freqs[i] = (UInt16)(((Freqs[i] - Freqs[i + 1]) + 1) >> 1);
-        for (i = 0; i < NumItems - 1; i++)
-          for (unsigned j = i + 1; j < NumItems; j++)
-            if (Freqs[i] < Freqs[j])
-            {
-              UInt16 tmpFreq = Freqs[i];
-              Byte tmpVal = Values[i];
-              Freqs[i] = Freqs[j];
-              Values[i] = Values[j];
-              Freqs[j] = tmpFreq;
-              Values[j] = tmpVal;
-            }
-        do
-          Freqs[i] = (UInt16)(Freqs[i] + Freqs[i + 1]);
-        while (i-- != 0);
-      }
-      else
-      {
-        i = NumItems - 1;
-        do
-        {
-          Freqs[i] >>= 1;
-          if (Freqs[i] <= Freqs[i + 1])
-            Freqs[i] = (UInt16)(Freqs[i + 1] + 1);
-        }
-        while (i-- != 0);
-      }
-    }
-    return res;
-  }
-};
-
-}
-
-class CDecoder:
-  public ICompressCoder,
-  public ICompressSetInStream,
-  public ICompressSetOutStreamSize,
-  public CMyUnknownImp
-{
-  CLzOutWindow _outWindowStream;
-  NRangeCoder::CDecoder _rangeDecoder;
-
-  UInt64 _outSize;
-  int _remainLen; // -1 means end of stream. // -2 means need Init
-  UInt32 _rep0;
-
-  int _numDictBits;
-  bool _keepHistory;
-
-  NRangeCoder::CModelDecoder m_Selector;
-  NRangeCoder::CModelDecoder m_Literals[kNumLitSelectors];
-  NRangeCoder::CModelDecoder m_PosSlot[kNumMatchSelectors];
-  NRangeCoder::CModelDecoder m_LenSlot;
-  void Init();
-  HRESULT CodeSpec(UInt32 size);
-public:
-  MY_UNKNOWN_IMP2(
-      ICompressSetInStream,
-      ICompressSetOutStreamSize)
-
-  void ReleaseStreams()
-  {
-    _outWindowStream.ReleaseStream();
-    ReleaseInStream();
-  }
-
-  class CDecoderFlusher
-  {
-    CDecoder *_decoder;
-  public:
-    bool NeedFlush;
-    CDecoderFlusher(CDecoder *decoder): _decoder(decoder), NeedFlush(true) {}
-    ~CDecoderFlusher()
-    {
-      if (NeedFlush)
-        _decoder->Flush();
-      _decoder->ReleaseStreams();
-    }
-  };
-
-  HRESULT Flush() {  return _outWindowStream.Flush(); }
-
-  HRESULT CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream,
-      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
-  
-  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
-      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
-
-  STDMETHOD(SetInStream)(ISequentialInStream *inStream);
-  STDMETHOD(ReleaseInStream)();
-  STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);
-
-  void SetParams(int numDictBits) { _numDictBits = numDictBits; }
-  void SetKeepHistory(bool keepHistory) { _keepHistory = keepHistory; }
-  CDecoder(): _keepHistory(false) {}
-  virtual ~CDecoder() {}
-};
-
-}}
-
-#endif