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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-04-05 20:01:10 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-04-05 20:01:10 +0200 |
| commit | c3b63b831cd2c64700e875b28540212c7c881ac6 (patch) | |
| tree | edd98fcbd2004d3b562904f822bf6c3322fc7f52 /other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java | |
| parent | d432e068a21c815d5d5e7bcbc1cc8c6e77a7d1e0 (diff) | |
| parent | cc07da9cb4d6e7a53f8d953427ffc2bca2e0c2df (diff) | |
| download | UXP-c3b63b831cd2c64700e875b28540212c7c881ac6.tar UXP-c3b63b831cd2c64700e875b28540212c7c881ac6.tar.gz UXP-c3b63b831cd2c64700e875b28540212c7c881ac6.tar.lz UXP-c3b63b831cd2c64700e875b28540212c7c881ac6.tar.xz UXP-c3b63b831cd2c64700e875b28540212c7c881ac6.zip | |
Merge branch 'master' into 816
Diffstat (limited to 'other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java')
| -rw-r--r-- | other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java new file mode 100644 index 000000000..18deed923 --- /dev/null +++ b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java @@ -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;
+}
|