1 files changed, 119 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/CoderMixer2.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/CoderMixer2.cpp
new file mode 100644
index 000000000..e562fec58
--- /dev/null
+++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/Common/CoderMixer2.cpp
@@ -0,0 +1,119 @@
+// CoderMixer2.cpp
+
+#include "StdAfx.h"
+
+#include "CoderMixer2.h"
+
+namespace NCoderMixer {
+
+CBindReverseConverter::CBindReverseConverter(const CBindInfo &srcBindInfo):
+  _srcBindInfo(srcBindInfo)
+{
+  srcBindInfo.GetNumStreams(NumSrcInStreams, _numSrcOutStreams);
+
+  UInt32 j;
+  _srcInToDestOutMap.ClearAndSetSize(NumSrcInStreams);
+  DestOutToSrcInMap.ClearAndSetSize(NumSrcInStreams);
+
+  for (j = 0; j < NumSrcInStreams; j++)
+  {
+    _srcInToDestOutMap[j] = 0;
+    DestOutToSrcInMap[j] = 0;
+  }
+
+  _srcOutToDestInMap.ClearAndSetSize(_numSrcOutStreams);
+  _destInToSrcOutMap.ClearAndSetSize(_numSrcOutStreams);
+
+  for (j = 0; j < _numSrcOutStreams; j++)
+  {
+    _srcOutToDestInMap[j] = 0;
+    _destInToSrcOutMap[j] = 0;
+  }
+
+  UInt32 destInOffset = 0;
+  UInt32 destOutOffset = 0;
+  UInt32 srcInOffset = NumSrcInStreams;
+  UInt32 srcOutOffset = _numSrcOutStreams;
+
+  for (int i = srcBindInfo.Coders.Size() - 1; i >= 0; i--)
+  {
+    const CCoderStreamsInfo &srcCoderInfo = srcBindInfo.Coders[i];
+
+    srcInOffset -= srcCoderInfo.NumInStreams;
+    srcOutOffset -= srcCoderInfo.NumOutStreams;
+
+    UInt32 j;
+    for (j = 0; j < srcCoderInfo.NumInStreams; j++, destOutOffset++)
+    {
+      UInt32 index = srcInOffset + j;
+      _srcInToDestOutMap[index] = destOutOffset;
+      DestOutToSrcInMap[destOutOffset] = index;
+    }
+    for (j = 0; j < srcCoderInfo.NumOutStreams; j++, destInOffset++)
+    {
+      UInt32 index = srcOutOffset + j;
+      _srcOutToDestInMap[index] = destInOffset;
+      _destInToSrcOutMap[destInOffset] = index;
+    }
+  }
+}
+
+void CBindReverseConverter::CreateReverseBindInfo(CBindInfo &destBindInfo)
+{
+  destBindInfo.Coders.ClearAndReserve(_srcBindInfo.Coders.Size());
+  destBindInfo.BindPairs.ClearAndReserve(_srcBindInfo.BindPairs.Size());
+  destBindInfo.InStreams.ClearAndReserve(_srcBindInfo.OutStreams.Size());
+  destBindInfo.OutStreams.ClearAndReserve(_srcBindInfo.InStreams.Size());
+
+  unsigned i;
+  for (i = _srcBindInfo.Coders.Size(); i != 0;)
+  {
+    i--;
+    const CCoderStreamsInfo &srcCoderInfo = _srcBindInfo.Coders[i];
+    CCoderStreamsInfo destCoderInfo;
+    destCoderInfo.NumInStreams = srcCoderInfo.NumOutStreams;
+    destCoderInfo.NumOutStreams = srcCoderInfo.NumInStreams;
+    destBindInfo.Coders.AddInReserved(destCoderInfo);
+  }
+  for (i = _srcBindInfo.BindPairs.Size(); i != 0;)
+  {
+    i--;
+    const CBindPair &srcBindPair = _srcBindInfo.BindPairs[i];
+    CBindPair destBindPair;
+    destBindPair.InIndex = _srcOutToDestInMap[srcBindPair.OutIndex];
+    destBindPair.OutIndex = _srcInToDestOutMap[srcBindPair.InIndex];
+    destBindInfo.BindPairs.AddInReserved(destBindPair);
+  }
+  for (i = 0; i < _srcBindInfo.InStreams.Size(); i++)
+    destBindInfo.OutStreams.AddInReserved(_srcInToDestOutMap[_srcBindInfo.InStreams[i]]);
+  for (i = 0; i < _srcBindInfo.OutStreams.Size(); i++)
+    destBindInfo.InStreams.AddInReserved(_srcOutToDestInMap[_srcBindInfo.OutStreams[i]]);
+}
+
+void SetSizes(const UInt64 **srcSizes, CRecordVector<UInt64> &sizes,
+    CRecordVector<const UInt64 *> &sizePointers, UInt32 numItems)
+{
+  sizes.ClearAndSetSize(numItems);
+  sizePointers.ClearAndSetSize(numItems);
+  for (UInt32 i = 0; i < numItems; i++)
+  {
+    if (!srcSizes || !srcSizes[i])
+    {
+      sizes[i] = 0;
+      sizePointers[i] = NULL;
+    }
+    else
+    {
+      sizes[i] = *(srcSizes[i]);
+      sizePointers[i] = &sizes[i];
+    }
+  }
+}
+
+void CCoderInfo2::SetCoderInfo(const UInt64 **inSizes, const UInt64 **outSizes)
+{
+  SetSizes(inSizes, InSizes, InSizePointers, NumInStreams);
+  SetSizes(outSizes, OutSizes, OutSizePointers, NumOutStreams);
+}
+
+}