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author | 2015-01-11 08:10:25 +0100 | |
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committer | 2015-01-11 08:10:25 +0100 | |
commit | 6a23c2f3b766cf4fc7028628f76b5ff9396383f0 (patch) | |
tree | a01e16637118ae0c80f337119898bdf18f081e24 /3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp | |
parent | 45ac9b351e0076c371de4c7453f59567b27b1cb6 (diff) |
Added full lzma sdk source (nw)
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp b/3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp new file mode 100644 index 00000000000..0b06a489f7d --- /dev/null +++ b/3rdparty/lzma/CPP/7zip/Archive/Common/CoderMixer2.cpp @@ -0,0 +1,121 @@ +// CoderMixer2.cpp + +#include "StdAfx.h" + +#include "CoderMixer2.h" + +namespace NCoderMixer { + +CBindReverseConverter::CBindReverseConverter(const CBindInfo &srcBindInfo): + _srcBindInfo(srcBindInfo) +{ + srcBindInfo.GetNumStreams(NumSrcInStreams, _numSrcOutStreams); + + UInt32 j; + for (j = 0; j < NumSrcInStreams; j++) + { + _srcInToDestOutMap.Add(0); + DestOutToSrcInMap.Add(0); + } + for (j = 0; j < _numSrcOutStreams; j++) + { + _srcOutToDestInMap.Add(0); + _destInToSrcOutMap.Add(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.Clear(); + destBindInfo.BindPairs.Clear(); + destBindInfo.InStreams.Clear(); + destBindInfo.OutStreams.Clear(); + + int i; + for (i = _srcBindInfo.Coders.Size() - 1; i >= 0; i--) + { + const CCoderStreamsInfo &srcCoderInfo = _srcBindInfo.Coders[i]; + CCoderStreamsInfo destCoderInfo; + destCoderInfo.NumInStreams = srcCoderInfo.NumOutStreams; + destCoderInfo.NumOutStreams = srcCoderInfo.NumInStreams; + destBindInfo.Coders.Add(destCoderInfo); + } + for (i = _srcBindInfo.BindPairs.Size() - 1; i >= 0; i--) + { + const CBindPair &srcBindPair = _srcBindInfo.BindPairs[i]; + CBindPair destBindPair; + destBindPair.InIndex = _srcOutToDestInMap[srcBindPair.OutIndex]; + destBindPair.OutIndex = _srcInToDestOutMap[srcBindPair.InIndex]; + destBindInfo.BindPairs.Add(destBindPair); + } + for (i = 0; i < _srcBindInfo.InStreams.Size(); i++) + destBindInfo.OutStreams.Add(_srcInToDestOutMap[_srcBindInfo.InStreams[i]]); + for (i = 0; i < _srcBindInfo.OutStreams.Size(); i++) + destBindInfo.InStreams.Add(_srcOutToDestInMap[_srcBindInfo.OutStreams[i]]); +} + +CCoderInfo2::CCoderInfo2(UInt32 numInStreams, UInt32 numOutStreams): + NumInStreams(numInStreams), + NumOutStreams(numOutStreams) +{ + InSizes.Reserve(NumInStreams); + InSizePointers.Reserve(NumInStreams); + OutSizes.Reserve(NumOutStreams); + OutSizePointers.Reserve(NumOutStreams); +} + +static void SetSizes(const UInt64 **srcSizes, CRecordVector<UInt64> &sizes, + CRecordVector<const UInt64 *> &sizePointers, UInt32 numItems) +{ + sizes.Clear(); + sizePointers.Clear(); + for(UInt32 i = 0; i < numItems; i++) + { + if (srcSizes == 0 || srcSizes[i] == NULL) + { + sizes.Add(0); + sizePointers.Add(NULL); + } + else + { + sizes.Add(*srcSizes[i]); + sizePointers.Add(&sizes.Back()); + } + } +} + +void CCoderInfo2::SetCoderInfo(const UInt64 **inSizes, + const UInt64 **outSizes) +{ + SetSizes(inSizes, InSizes, InSizePointers, NumInStreams); + SetSizes(outSizes, OutSizes, OutSizePointers, NumOutStreams); +} + +} |