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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /other-licenses/7zstub/src/Java/SevenZip/Compression/LZMA/Base.java | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 0000000000..18deed9232 --- /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;
+}
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