View Javadoc
1   /*
2    * This file is part of Waarp Project (named also Waarp or GG).
3    *
4    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
6    * individual contributors.
7    *
8    *  All Waarp Project is free software: you can redistribute it and/or
9    * modify it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation, either version 3 of the License, or (at your
11   * option) any later version.
12   *
13   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16   *
17   *  You should have received a copy of the GNU General Public License along with
18   * Waarp . If not, see <http://www.gnu.org/licenses/>.
19   */
20  
21  /*
22   * Licensed under the Apache License, Version 2.0 (the "License");
23   * you may not use this file except in compliance with the License.
24   * You may obtain a copy of the License at
25   *
26   *     http://www.apache.org/licenses/LICENSE-2.0
27   *
28   * Unless required by applicable law or agreed to in writing, software
29   * distributed under the License is distributed on an "AS IS" BASIS,
30   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
31   * See the License for the specific language governing permissions and
32   * limitations under the License.
33   */
34  package org.waarp.compress.zstdunsafe;
35  
36  import static org.waarp.compress.zstdunsafe.Constants.*;
37  
38  class SequenceEncodingContext {
39    private static final int MAX_SEQUENCES =
40        Math.max(MAX_LITERALS_LENGTH_SYMBOL, MAX_MATCH_LENGTH_SYMBOL);
41  
42    public final FseCompressionTable literalLengthTable =
43        new FseCompressionTable(Constants.LITERAL_LENGTH_TABLE_LOG,
44                                MAX_LITERALS_LENGTH_SYMBOL);
45    public final FseCompressionTable offsetCodeTable =
46        new FseCompressionTable(Constants.OFFSET_TABLE_LOG,
47                                MAX_OFFSET_CODE_SYMBOL);
48    public final FseCompressionTable matchLengthTable =
49        new FseCompressionTable(Constants.MATCH_LENGTH_TABLE_LOG,
50                                MAX_MATCH_LENGTH_SYMBOL);
51  
52    public final int[] counts = new int[MAX_SEQUENCES + 1];
53    public final short[] normalizedCounts = new short[MAX_SEQUENCES + 1];
54  }