add new lzma-utils 4.32.4

git-svn-id: svn://tug.org/texlive/trunk@6053 c570f23f-e606-0410-a88d-b1316a301751

6 files changed, 475 insertions, 0 deletions

diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC.h
new file mode 100644
index 00000000000..393bb8afea0
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC.h
@@ -0,0 +1,55 @@
+// HC.h
+
+#include "../LZInWindow.h"
+#include "../IMatchFinder.h"
+ 
+namespace HC_NAMESPACE {
+
+typedef UInt32 CIndex;
+const UInt32 kMaxValForNormalize = (UInt32(1) << 31) - 1;
+
+class CMatchFinderHC: 
+  public IMatchFinder,
+  public IMatchFinderSetCallback,
+  public CLZInWindow,
+  public CMyUnknownImp
+{
+  UInt32 _cyclicBufferPos;
+  UInt32 _cyclicBufferSize; // it must be historySize + 1
+  UInt32 _matchMaxLen;
+  CIndex *_hash;
+  UInt32 _cutValue;
+
+  CMyComPtr<IMatchFinderCallback> m_Callback;
+
+  void Normalize();
+  void FreeThisClassMemory();
+  void FreeMemory();
+
+  MY_UNKNOWN_IMP1(IMatchFinderSetCallback)
+
+  STDMETHOD(Init)(ISequentialInStream *inStream);
+  STDMETHOD_(void, ReleaseStream)();
+  STDMETHOD(MovePos)();
+  STDMETHOD_(Byte, GetIndexByte)(Int32 index);
+  STDMETHOD_(UInt32, GetMatchLen)(Int32 index, UInt32 back, UInt32 limit);
+  STDMETHOD_(UInt32, GetNumAvailableBytes)();
+  STDMETHOD_(const Byte *, GetPointerToCurrentPos)();
+  STDMETHOD(Create)(UInt32 historySize, UInt32 keepAddBufferBefore, 
+      UInt32 matchMaxLen, UInt32 keepAddBufferAfter);
+  STDMETHOD_(UInt32, GetLongestMatch)(UInt32 *distances);
+  STDMETHOD_(void, DummyLongestMatch)();
+
+  // IMatchFinderSetCallback
+  STDMETHOD(SetCallback)(IMatchFinderCallback *callback);
+
+  virtual void BeforeMoveBlock();
+  virtual void AfterMoveBlock();
+
+public:
+  CMatchFinderHC();
+  virtual ~CMatchFinderHC();
+  void SetCutValue(UInt32 cutValue) { _cutValue = cutValue; }
+};
+
+}
diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC2.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC2.h
new file mode 100644
index 00000000000..e9f22e1fd1e
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC2.h
@@ -0,0 +1,13 @@
+// HC2.h
+
+#ifndef __HC2_H
+#define __HC2_H
+
+#undef HC_NAMESPACE
+#define HC_NAMESPACE NHC2
+
+#include "HCMF.h"
+#include "HCMFMain.h"
+
+#endif
+
diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC3.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC3.h
new file mode 100644
index 00000000000..a9afd2518b1
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC3.h
@@ -0,0 +1,17 @@
+// HC3.h
+
+#ifndef __HC3_H
+#define __HC3_H
+
+#undef HC_NAMESPACE
+#define HC_NAMESPACE NHC3
+
+#define HASH_ARRAY_2
+
+#include "HC.h"
+#include "HCMain.h"
+
+#undef HASH_ARRAY_2
+
+#endif
+
diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4.h
new file mode 100644
index 00000000000..a88828d5891
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4.h
@@ -0,0 +1,19 @@
+// HC4.h
+
+#ifndef __HC4_H
+#define __HC4_H
+
+#undef HC_NAMESPACE
+#define HC_NAMESPACE NHC4
+
+#define HASH_ARRAY_2
+#define HASH_ARRAY_3
+
+#include "HC.h"
+#include "HCMain.h"
+
+#undef HASH_ARRAY_2
+#undef HASH_ARRAY_3
+
+#endif
+
diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4b.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4b.h
new file mode 100644
index 00000000000..e2df3ef4a51
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HC4b.h
@@ -0,0 +1,21 @@
+// HC4b.h
+
+#ifndef __HC4B__H
+#define __HC4B__H
+
+#undef HC_NAMESPACE
+#define HC_NAMESPACE NHC4b
+
+#define HASH_ARRAY_2
+#define HASH_ARRAY_3
+#define HASH_BIG
+
+#include "HC.h"
+#include "HCMain.h"
+
+#undef HASH_ARRAY_2
+#undef HASH_ARRAY_3
+#undef HASH_BIG
+
+#endif
+
diff --git a/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HCMain.h b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HCMain.h
new file mode 100644
index 00000000000..fe67e4f5a16
--- /dev/null
+++ b/Build/source/utils/lzma-utils/src/sdk/7zip/Compress/LZ/HashChain/HCMain.h
@@ -0,0 +1,350 @@
+// HC.h
+
+#include "../../../../Common/Defs.h"
+#include "../../../../Common/CRC.h"
+#include "../../../../Common/Alloc.h"
+
+namespace HC_NAMESPACE {
+
+#ifdef HASH_ARRAY_2
+  static const UInt32 kHash2Size = 1 << 10;
+  #ifdef HASH_ARRAY_3
+    static const UInt32 kNumHashDirectBytes = 0;
+    static const UInt32 kNumHashBytes = 4;
+    static const UInt32 kHash3Size = 1 << 18;
+    #ifdef HASH_BIG
+    static const UInt32 kHashSize = 1 << 23;
+    #else
+    static const UInt32 kHashSize = 1 << 20;
+    #endif
+  #else
+    static const UInt32 kNumHashDirectBytes = 0;
+    static const UInt32 kNumHashBytes = 3;
+    static const UInt32 kHashSize = 1 << (16);
+  #endif
+#else
+  #ifdef HASH_ZIP 
+    static const UInt32 kNumHashDirectBytes = 0;
+    static const UInt32 kNumHashBytes = 3;
+    static const UInt32 kHashSize = 1 << 16;
+  #else
+    #define THERE_ARE_DIRECT_HASH_BYTES
+    static const UInt32 kNumHashDirectBytes = 2;
+    static const UInt32 kNumHashBytes = 2;
+    static const UInt32 kHashSize = 1 << (8 * kNumHashBytes);
+  #endif
+#endif
+
+static const UInt32 kHashSizeSum = kHashSize
+    #ifdef HASH_ARRAY_2
+    + kHash2Size
+    #ifdef HASH_ARRAY_3
+    + kHash3Size
+    #endif
+    #endif
+    ;
+
+#ifdef HASH_ARRAY_2
+static const UInt32 kHash2Offset = kHashSize;
+#ifdef HASH_ARRAY_3
+static const UInt32 kHash3Offset = kHashSize + kHash2Size;
+#endif
+#endif
+
+CMatchFinderHC::CMatchFinderHC():
+  _hash(0),
+  _cutValue(16)
+{
+}
+
+void CMatchFinderHC::FreeThisClassMemory()
+{
+  BigFree(_hash);
+  _hash = 0;
+}
+
+void CMatchFinderHC::FreeMemory()
+{
+  FreeThisClassMemory();
+  CLZInWindow::Free();
+}
+
+CMatchFinderHC::~CMatchFinderHC()
+{ 
+  FreeMemory();
+}
+
+STDMETHODIMP CMatchFinderHC::Create(UInt32 historySize, UInt32 keepAddBufferBefore, 
+    UInt32 matchMaxLen, UInt32 keepAddBufferAfter)
+{
+  UInt32 sizeReserv = (historySize + keepAddBufferBefore + 
+      matchMaxLen + keepAddBufferAfter) / 2 + 256;
+  if (CLZInWindow::Create(historySize + keepAddBufferBefore, 
+      matchMaxLen + keepAddBufferAfter, sizeReserv))
+  {
+    if (historySize + 256 > kMaxValForNormalize)
+    {
+      FreeMemory();
+      return E_INVALIDARG;
+    }
+    _matchMaxLen = matchMaxLen;
+    UInt32 newCyclicBufferSize = historySize + 1;
+    if (_hash != 0 && newCyclicBufferSize == _cyclicBufferSize)
+      return S_OK;
+    FreeThisClassMemory();
+    _cyclicBufferSize = newCyclicBufferSize; // don't change it
+    _hash = (CIndex *)BigAlloc((kHashSizeSum + _cyclicBufferSize) * sizeof(CIndex));
+    if (_hash != 0)
+      return S_OK;
+  }
+  FreeMemory();
+  return E_OUTOFMEMORY;
+}
+
+static const UInt32 kEmptyHashValue = 0;
+
+STDMETHODIMP CMatchFinderHC::Init(ISequentialInStream *stream)
+{
+  RINOK(CLZInWindow::Init(stream));
+  for(UInt32 i = 0; i < kHashSizeSum; i++)
+    _hash[i] = kEmptyHashValue;
+  _cyclicBufferPos = 0;
+  ReduceOffsets(-1);
+  return S_OK;
+}
+
+STDMETHODIMP_(void) CMatchFinderHC::ReleaseStream()
+{ 
+  // ReleaseStream(); 
+}
+
+#ifdef HASH_ARRAY_2
+#ifdef HASH_ARRAY_3
+inline UInt32 Hash(const Byte *pointer, UInt32 &hash2Value, UInt32 &hash3Value)
+{
+  UInt32 temp = CCRC::Table[pointer[0]] ^ pointer[1];
+  hash2Value = temp & (kHash2Size - 1);
+  hash3Value = (temp ^ (UInt32(pointer[2]) << 8)) & (kHash3Size - 1);
+  return (temp ^ (UInt32(pointer[2]) << 8) ^ (CCRC::Table[pointer[3]] << 5)) & 
+      (kHashSize - 1);
+}
+#else // no HASH_ARRAY_3
+inline UInt32 Hash(const Byte *pointer, UInt32 &hash2Value)
+{
+  UInt32 temp = CCRC::Table[pointer[0]] ^ pointer[1];
+  hash2Value = temp & (kHash2Size - 1);
+  return (temp ^ (UInt32(pointer[2]) << 8)) & (kHashSize - 1);;
+}
+#endif // HASH_ARRAY_3
+#else // no HASH_ARRAY_2
+#ifdef HASH_ZIP 
+inline UInt32 Hash(const Byte *pointer)
+{
+  return ((UInt32(pointer[0]) << 8) ^ 
+      CCRC::Table[pointer[1]] ^ pointer[2]) & (kHashSize - 1);
+}
+#else // no HASH_ZIP 
+inline UInt32 Hash(const Byte *pointer)
+{
+  return pointer[0] ^ (UInt32(pointer[1]) << 8);
+}
+#endif // HASH_ZIP
+#endif // HASH_ARRAY_2
+
+
+STDMETHODIMP_(UInt32) CMatchFinderHC::GetLongestMatch(UInt32 *distances)
+{
+  UInt32 lenLimit;
+  if (_pos + _matchMaxLen <= _streamPos)
+    lenLimit = _matchMaxLen;
+  else
+  {
+    lenLimit = _streamPos - _pos;
+    if(lenLimit < kNumHashBytes)
+      return 0; 
+  }
+
+  UInt32 matchMinPos = (_pos > _cyclicBufferSize) ? (_pos - _cyclicBufferSize) : 0;
+  Byte *cur = _buffer + _pos;
+  
+  UInt32 maxLen = 0;
+
+  #ifdef HASH_ARRAY_2
+  UInt32 hash2Value;
+  #ifdef HASH_ARRAY_3
+  UInt32 hash3Value;
+  UInt32 hashValue = Hash(cur, hash2Value, hash3Value);
+  #else
+  UInt32 hashValue = Hash(cur, hash2Value);
+  #endif
+  #else
+  UInt32 hashValue = Hash(cur);
+  #endif
+  #ifdef HASH_ARRAY_2
+
+  UInt32 curMatch2 = _hash[kHash2Offset + hash2Value];
+  _hash[kHash2Offset + hash2Value] = _pos;
+  distances[2] = 0xFFFFFFFF;
+  if(curMatch2 > matchMinPos)
+    if (_buffer[curMatch2] == cur[0])
+    {
+      distances[2] = _pos - curMatch2 - 1;
+      maxLen = 2;
+    }
+
+  #ifdef HASH_ARRAY_3
+  
+  UInt32 curMatch3 = _hash[kHash3Offset + hash3Value];
+  _hash[kHash3Offset + hash3Value] = _pos;
+  distances[3] = 0xFFFFFFFF;
+  if(curMatch3 > matchMinPos)
+    if (_buffer[curMatch3] == cur[0])
+    {
+      distances[3] = _pos - curMatch3 - 1;
+      maxLen = 3;
+    }
+  
+  #endif
+  #endif
+
+  UInt32 curMatch = _hash[hashValue];
+  _hash[hashValue] = _pos;
+  CIndex *chain = _hash + kHashSizeSum;
+  chain[_cyclicBufferPos] = curMatch;
+  distances[kNumHashBytes] = 0xFFFFFFFF;
+  #ifdef THERE_ARE_DIRECT_HASH_BYTES
+  if (lenLimit == kNumHashDirectBytes)
+  {
+    if(curMatch > matchMinPos)
+      while (maxLen < kNumHashDirectBytes)
+        distances[++maxLen] = _pos - curMatch - 1;
+  }
+  else
+  #endif
+  {
+    UInt32 count = _cutValue;
+    do
+    {
+      if(curMatch <= matchMinPos)
+        break;
+      Byte *pby1 = _buffer + curMatch;
+      UInt32 currentLen = kNumHashDirectBytes;
+      do 
+      {
+        if (pby1[currentLen] != cur[currentLen])
+          break;
+      }
+      while(++currentLen != lenLimit);
+      
+      UInt32 delta = _pos - curMatch;
+      while (maxLen < currentLen)
+        distances[++maxLen] = delta - 1;
+      if(currentLen == lenLimit)
+        break;
+      
+      UInt32 cyclicPos = (delta <= _cyclicBufferPos) ?
+        (_cyclicBufferPos - delta):
+      (_cyclicBufferPos - delta + _cyclicBufferSize);
+      
+      curMatch = chain[cyclicPos];
+    }
+    while(--count != 0);
+  }
+  #ifdef HASH_ARRAY_2
+  #ifdef HASH_ARRAY_3
+  if (distances[4] < distances[3])
+    distances[3] = distances[4];
+  #endif
+  if (distances[3] < distances[2])
+    distances[2] = distances[3];
+  #endif
+  return maxLen;
+}
+
+STDMETHODIMP_(void) CMatchFinderHC::DummyLongestMatch()
+{
+  if (_streamPos - _pos < kNumHashBytes)
+    return; 
+  
+  Byte *cur = _buffer + _pos;
+  
+  #ifdef HASH_ARRAY_2
+  UInt32 hash2Value;
+  #ifdef HASH_ARRAY_3
+  UInt32 hash3Value;
+  UInt32 hashValue = Hash(cur, hash2Value, hash3Value);
+  _hash[kHash3Offset + hash3Value] = _pos;
+  #else
+  UInt32 hashValue = Hash(cur, hash2Value);
+  #endif
+  _hash[kHash2Offset + hash2Value] = _pos;
+  #else
+  UInt32 hashValue = Hash(cur);
+  #endif
+
+  _hash[kHashSizeSum + _cyclicBufferPos] = _hash[hashValue];
+  _hash[hashValue] = _pos;
+}
+
+void CMatchFinderHC::Normalize()
+{
+  UInt32 subValue = _pos - _cyclicBufferSize;
+  CIndex *items = _hash;
+  UInt32 numItems = kHashSizeSum + _cyclicBufferSize;
+  for (UInt32 i = 0; i < numItems; i++)
+  {
+    UInt32 value = items[i];
+    if (value <= subValue)
+      value = kEmptyHashValue;
+    else
+      value -= subValue;
+    items[i] = value;
+  }
+  ReduceOffsets(subValue);
+}
+
+STDMETHODIMP CMatchFinderHC::MovePos()
+{
+  if (++_cyclicBufferPos == _cyclicBufferSize)
+    _cyclicBufferPos = 0;
+  RINOK(CLZInWindow::MovePos());
+  if (_pos == kMaxValForNormalize)
+    Normalize();
+  return S_OK;
+}
+
+STDMETHODIMP_(Byte) CMatchFinderHC::GetIndexByte(Int32 index)
+  { return CLZInWindow::GetIndexByte(index); }
+
+STDMETHODIMP_(UInt32) CMatchFinderHC::GetMatchLen(Int32 index, 
+    UInt32 back, UInt32 limit)
+  { return CLZInWindow::GetMatchLen(index, back, limit); }
+
+STDMETHODIMP_(UInt32) CMatchFinderHC::GetNumAvailableBytes()
+  { return CLZInWindow::GetNumAvailableBytes(); }
+
+STDMETHODIMP_(const Byte *) CMatchFinderHC::GetPointerToCurrentPos()
+  { return CLZInWindow::GetPointerToCurrentPos(); }
+
+// IMatchFinderSetCallback
+STDMETHODIMP CMatchFinderHC::SetCallback(IMatchFinderCallback *callback)
+{
+  m_Callback = callback;
+  return S_OK;
+}
+
+void CMatchFinderHC::BeforeMoveBlock()
+{
+  if (m_Callback)
+    m_Callback->BeforeChangingBufferPos();
+  CLZInWindow::BeforeMoveBlock();
+}
+
+void CMatchFinderHC::AfterMoveBlock()
+{
+  if (m_Callback)
+    m_Callback->AfterChangingBufferPos();
+  CLZInWindow::AfterMoveBlock();
+}
+ 
+}