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Add LZMA.

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This commit is contained in:
Natalia Portillo
2022-05-28 13:45:15 +01:00
parent f5360fe146
commit 9abfa4f68d
679 changed files with 150672 additions and 3 deletions
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88
3rdparty/lzma-21.03beta/Java/SevenZip/Compression/LZMA/Base.java vendored Normal file
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@@ -0,0 +1,88 @@
// Base.java
package SevenZip.Compression.LZMA;
public class Base
{
public static final int kNumRepDistances = 4;
public static final int kNumStates = 12;
public static final int StateInit()
{
return 0;
}
public static final int StateUpdateChar(int index)
{
if (index < 4)
return 0;
if (index < 10)
return index - 3;
return index - 6;
}
public static final int StateUpdateMatch(int index)
{
return (index < 7 ? 7 : 10);
}
public static final int StateUpdateRep(int index)
{
return (index < 7 ? 8 : 11);
}
public static final int StateUpdateShortRep(int index)
{
return (index < 7 ? 9 : 11);
}
public static final boolean StateIsCharState(int index)
{
return index < 7;
}
public static final int kNumPosSlotBits = 6;
public static final int kDicLogSizeMin = 0;
// public static final int kDicLogSizeMax = 28;
// public static final int kDistTableSizeMax = kDicLogSizeMax * 2;
public static final int kNumLenToPosStatesBits = 2; // it's for speed optimization
public static final int kNumLenToPosStates = 1 << kNumLenToPosStatesBits;
public static final int kMatchMinLen = 2;
public static final int GetLenToPosState(int len)
{
len -= kMatchMinLen;
if (len < kNumLenToPosStates)
return len;
return (int)(kNumLenToPosStates - 1);
}
public static final int kNumAlignBits = 4;
public static final int kAlignTableSize = 1 << kNumAlignBits;
public static final int kAlignMask = (kAlignTableSize - 1);
public static final int kStartPosModelIndex = 4;
public static final int kEndPosModelIndex = 14;
public static final int kNumPosModels = kEndPosModelIndex - kStartPosModelIndex;
public static final int kNumFullDistances = 1 << (kEndPosModelIndex / 2);
public static final int kNumLitPosStatesBitsEncodingMax = 4;
public static final int kNumLitContextBitsMax = 8;
public static final int kNumPosStatesBitsMax = 4;
public static final int kNumPosStatesMax = (1 << kNumPosStatesBitsMax);
public static final int kNumPosStatesBitsEncodingMax = 4;
public static final int kNumPosStatesEncodingMax = (1 << kNumPosStatesBitsEncodingMax);
public static final int kNumLowLenBits = 3;
public static final int kNumMidLenBits = 3;
public static final int kNumHighLenBits = 8;
public static final int kNumLowLenSymbols = 1 << kNumLowLenBits;
public static final int kNumMidLenSymbols = 1 << kNumMidLenBits;
public static final int kNumLenSymbols = kNumLowLenSymbols + kNumMidLenSymbols +
(1 << kNumHighLenBits);
public static final int kMatchMaxLen = kMatchMinLen + kNumLenSymbols - 1;
}