Initial commit

dec/State.java

@@ -0,0 +1,100 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+package org.brotli.dec;
+
+import java.io.InputStream;
+
+final class State {
+  byte[] ringBuffer;
+  byte[] contextModes;
+  byte[] contextMap;
+  byte[] distContextMap;
+  byte[] distExtraBits;
+  byte[] output;
+  byte[] byteBuffer;  // BitReader
+
+  short[] shortBuffer; // BitReader
+
+  int[] intBuffer;  // BitReader
+  int[] rings;
+  int[] blockTrees;
+  int[] literalTreeGroup;
+  int[] commandTreeGroup;
+  int[] distanceTreeGroup;
+  int[] distOffset;
+
+  long accumulator64;  // BitReader: pre-fetched bits.
+
+  int runningState;  // Default value is 0 == Decode.UNINITIALIZED
+  int nextRunningState;
+  int accumulator32;  // BitReader: pre-fetched bits.
+  int bitOffset;  // BitReader: bit-reading position in accumulator.
+  int halfOffset;  // BitReader: offset of next item in intBuffer/shortBuffer.
+  int tailBytes;  // BitReader: number of bytes in unfinished half.
+  int endOfStreamReached;  // BitReader: input stream is finished.
+  int metaBlockLength;
+  int inputEnd;
+  int isUncompressed;
+  int isMetadata;
+  int literalBlockLength;
+  int numLiteralBlockTypes;
+  int commandBlockLength;
+  int numCommandBlockTypes;
+  int distanceBlockLength;
+  int numDistanceBlockTypes;
+  int pos;
+  int maxDistance;
+  int distRbIdx;
+  int trivialLiteralContext;
+  int literalTreeIdx;
+  int commandTreeIdx;
+  int j;
+  int insertLength;
+  int contextMapSlice;
+  int distContextMapSlice;
+  int contextLookupOffset1;
+  int contextLookupOffset2;
+  int distanceCode;
+  int numDirectDistanceCodes;
+  int distancePostfixBits;
+  int distance;
+  int copyLength;
+  int maxBackwardDistance;
+  int maxRingBufferSize;
+  int ringBufferSize;
+  int expectedTotalSize;
+  int outputOffset;
+  int outputLength;
+  int outputUsed;
+  int ringBufferBytesWritten;
+  int ringBufferBytesReady;
+  int isEager;
+  int isLargeWindow;
+
+  // Compound dictionary
+  int cdNumChunks;
+  int cdTotalSize;
+  int cdBrIndex;
+  int cdBrOffset;
+  int cdBrLength;
+  int cdBrCopied;
+  byte[][] cdChunks;
+  int[] cdChunkOffsets;
+  int cdBlockBits;
+  byte[] cdBlockMap;
+
+  InputStream /* @Nullable */ input; // BitReader
+
+  State() {
+    this.ringBuffer = new byte[0];
+    this.rings = new int[10];
+    this.rings[0] = 16;
+    this.rings[1] = 15;
+    this.rings[2] = 11;
+    this.rings[3] = 4;
+  }
+}