1 files changed, 0 insertions, 219 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Compress/ImplodeDecoder.cpp b/src/libs/7zip/unix/CPP/7zip/Compress/ImplodeDecoder.cpp
deleted file mode 100644
index f84a013c2..000000000
--- a/src/libs/7zip/unix/CPP/7zip/Compress/ImplodeDecoder.cpp
+++ /dev/null
@@ -1,219 +0,0 @@
-// Implode/Decoder.cpp
-
-#include "StdAfx.h"
-
-#include "ImplodeDecoder.h"
-#include "Common/Defs.h"
-
-namespace NCompress {
-namespace NImplode {
-namespace NDecoder {
-
-class CException
-{
-public:
-  enum ECauseType
-  {
-    kData
-  } m_Cause;
-  CException(ECauseType cause): m_Cause(cause) {}
-};
-
-static const int kNumDistanceLowDirectBitsForBigDict = 7;
-static const int kNumDistanceLowDirectBitsForSmallDict = 6;
-
-static const int kNumBitsInByte = 8;
-
-// static const int kLevelStructuresNumberFieldSize = kNumBitsInByte;
-static const int kLevelStructuresNumberAdditionalValue = 1;
-
-static const int kNumLevelStructureLevelBits = 4;
-static const int kLevelStructureLevelAdditionalValue = 1;
-
-static const int kNumLevelStructureRepNumberBits = 4;
-static const int kLevelStructureRepNumberAdditionalValue = 1;
-
-
-static const int kLiteralTableSize = (1 << kNumBitsInByte);
-static const int kDistanceTableSize = 64;
-static const int kLengthTableSize = 64;
-
-static const UInt32 kHistorySize =
-    (1 << MyMax(kNumDistanceLowDirectBitsForBigDict,
-                kNumDistanceLowDirectBitsForSmallDict)) *
-    kDistanceTableSize; // = 8 KB;
-
-static const int kNumAdditionalLengthBits = 8;
-
-static const UInt32 kMatchMinLenWhenLiteralsOn = 3;
-static const UInt32 kMatchMinLenWhenLiteralsOff = 2;
-
-static const UInt32 kMatchMinLenMax = MyMax(kMatchMinLenWhenLiteralsOn,
-    kMatchMinLenWhenLiteralsOff);  // 3
-
-// static const UInt32 kMatchMaxLenMax = kMatchMinLenMax + (kLengthTableSize - 1) + (1 << kNumAdditionalLengthBits) - 1;  // or 2
-
-enum
-{
-  kMatchId = 0,
-  kLiteralId = 1
-};
-
-
-CCoder::CCoder():
-  m_LiteralDecoder(kLiteralTableSize),
-  m_LengthDecoder(kLengthTableSize),
-  m_DistanceDecoder(kDistanceTableSize)
-{
-}
-
-void CCoder::ReleaseStreams()
-{
-  m_OutWindowStream.ReleaseStream();
-  m_InBitStream.ReleaseStream();
-}
-
-bool CCoder::ReadLevelItems(NImplode::NHuffman::CDecoder &decoder,
-    Byte *levels, int numLevelItems)
-{
-  int numCodedStructures = m_InBitStream.ReadBits(kNumBitsInByte) +
-      kLevelStructuresNumberAdditionalValue;
-  int currentIndex = 0;
-  for(int i = 0; i < numCodedStructures; i++)
-  {
-    int level = m_InBitStream.ReadBits(kNumLevelStructureLevelBits) +
-      kLevelStructureLevelAdditionalValue;
-    int rep = m_InBitStream.ReadBits(kNumLevelStructureRepNumberBits) +
-      kLevelStructureRepNumberAdditionalValue;
-    if (currentIndex + rep > numLevelItems)
-      throw CException(CException::kData);
-    for(int j = 0; j < rep; j++)
-      levels[currentIndex++] = (Byte)level;
-  }
-  if (currentIndex != numLevelItems)
-    return false;
-  return decoder.SetCodeLengths(levels);
-}
-
-
-bool CCoder::ReadTables(void)
-{
-  if (m_LiteralsOn)
-  {
-    Byte literalLevels[kLiteralTableSize];
-    if (!ReadLevelItems(m_LiteralDecoder, literalLevels, kLiteralTableSize))
-      return false;
-  }
-
-  Byte lengthLevels[kLengthTableSize];
-  if (!ReadLevelItems(m_LengthDecoder, lengthLevels, kLengthTableSize))
-    return false;
-
-  Byte distanceLevels[kDistanceTableSize];
-  return ReadLevelItems(m_DistanceDecoder, distanceLevels, kDistanceTableSize);
-}
-
-class CCoderReleaser
-{
-  CCoder *m_Coder;
-public:
-  CCoderReleaser(CCoder *coder): m_Coder(coder) {}
-  ~CCoderReleaser() { m_Coder->ReleaseStreams(); }
-};
-
-HRESULT CCoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream,
-    const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
-{
-  if (!m_InBitStream.Create(1 << 20))
-    return E_OUTOFMEMORY;
-  if (!m_OutWindowStream.Create(kHistorySize))
-    return E_OUTOFMEMORY;
-  if (outSize == NULL)
-    return E_INVALIDARG;
-  UInt64 pos = 0, unPackSize = *outSize;
-
-  m_OutWindowStream.SetStream(outStream);
-  m_OutWindowStream.Init(false);
-  m_InBitStream.SetStream(inStream);
-  m_InBitStream.Init();
-  CCoderReleaser coderReleaser(this);
-
-  if (!ReadTables())
-    return S_FALSE;
-  
-  while(pos < unPackSize)
-  {
-    if (progress != NULL && pos % (1 << 16) == 0)
-    {
-      UInt64 packSize = m_InBitStream.GetProcessedSize();
-      RINOK(progress->SetRatioInfo(&packSize, &pos));
-    }
-    if(m_InBitStream.ReadBits(1) == kMatchId) // match
-    {
-      UInt32 lowDistBits = m_InBitStream.ReadBits(m_NumDistanceLowDirectBits);
-      UInt32 distance = m_DistanceDecoder.DecodeSymbol(&m_InBitStream);
-      if (distance >= kDistanceTableSize)
-        return S_FALSE;
-      distance = (distance << m_NumDistanceLowDirectBits) + lowDistBits;
-      UInt32 lengthSymbol = m_LengthDecoder.DecodeSymbol(&m_InBitStream);
-      if (lengthSymbol >= kLengthTableSize)
-        return S_FALSE;
-      UInt32 length = lengthSymbol + m_MinMatchLength;
-      if (lengthSymbol == kLengthTableSize - 1) // special symbol  = 63
-        length += m_InBitStream.ReadBits(kNumAdditionalLengthBits);
-      while(distance >= pos && length > 0)
-      {
-        m_OutWindowStream.PutByte(0);
-        pos++;
-        length--;
-      }
-      if (length > 0)
-        m_OutWindowStream.CopyBlock(distance, length);
-      pos += length;
-    }
-    else
-    {
-      Byte b;
-      if (m_LiteralsOn)
-      {
-        UInt32 temp = m_LiteralDecoder.DecodeSymbol(&m_InBitStream);
-        if (temp >= kLiteralTableSize)
-          return S_FALSE;
-        b = (Byte)temp;
-      }
-      else
-        b = (Byte)m_InBitStream.ReadBits(kNumBitsInByte);
-      m_OutWindowStream.PutByte(b);
-      pos++;
-    }
-  }
-  if (pos > unPackSize)
-    return S_FALSE;
-  return m_OutWindowStream.Flush();
-}
-
-STDMETHODIMP CCoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
-    const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress)
-{
-  try { return CodeReal(inStream, outStream, inSize, outSize, progress);  }
-  catch(const CLzOutWindowException &e) { return e.ErrorCode; }
-  catch(...) { return S_FALSE; }
-}
-
-STDMETHODIMP CCoder::SetDecoderProperties2(const Byte *data, UInt32 size)
-{
-  if (size < 1)
-    return E_INVALIDARG;
-  Byte flag = data[0];
-  m_BigDictionaryOn = ((flag & 2) != 0);
-  m_NumDistanceLowDirectBits = m_BigDictionaryOn ?
-      kNumDistanceLowDirectBitsForBigDict:
-      kNumDistanceLowDirectBitsForSmallDict;
-  m_LiteralsOn = ((flag & 4) != 0);
-  m_MinMatchLength = m_LiteralsOn ?
-      kMatchMinLenWhenLiteralsOn :
-      kMatchMinLenWhenLiteralsOff;
-  return S_OK;
-}
-
-}}}