ant/src/main/org/apache/tools/bzip2/BZip2Constants.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

/*
 * This package is based on the work done by Keiron Liddle, Aftex Software
 * <keiron@aftexsw.com> to whom the Ant project is very grateful for his
 * great code.
 */

package org.apache.tools.bzip2;

/**
 * Base class for both the compress and decompress classes.
 * Holds common arrays, and static data.
 * <p>
 * This interface is public for historical purposes.
 * You should have no need to use it.
 * </p>
 */
public interface BZip2Constants {

    int baseBlockSize = 100000;
    int MAX_ALPHA_SIZE = 258;
    int MAX_CODE_LEN = 23;
    int RUNA = 0;
    int RUNB = 1;
    int N_GROUPS = 6;
    int G_SIZE = 50;
    int N_ITERS = 4;
    int MAX_SELECTORS = (2 + (900000 / G_SIZE));
    int NUM_OVERSHOOT_BYTES = 20;

    /**
     * This array really shouldn't be here.
     * Again, for historical purposes it is.
     *
     * <p>FIXME: This array should be in a private or package private
     * location, since it could be modified by malicious code.</p>
     */
    int[] rNums = {
        619, 720, 127, 481, 931, 816, 813, 233, 566, 247,
        985, 724, 205, 454, 863, 491, 741, 242, 949, 214,
        733, 859, 335, 708, 621, 574, 73, 654, 730, 472,
        419, 436, 278, 496, 867, 210, 399, 680, 480, 51,
        878, 465, 811, 169, 869, 675, 611, 697, 867, 561,
        862, 687, 507, 283, 482, 129, 807, 591, 733, 623,
        150, 238, 59, 379, 684, 877, 625, 169, 643, 105,
        170, 607, 520, 932, 727, 476, 693, 425, 174, 647,
        73, 122, 335, 530, 442, 853, 695, 249, 445, 515,
        909, 545, 703, 919, 874, 474, 882, 500, 594, 612,
        641, 801, 220, 162, 819, 984, 589, 513, 495, 799,
        161, 604, 958, 533, 221, 400, 386, 867, 600, 782,
        382, 596, 414, 171, 516, 375, 682, 485, 911, 276,
        98, 553, 163, 354, 666, 933, 424, 341, 533, 870,
        227, 730, 475, 186, 263, 647, 537, 686, 600, 224,
        469, 68, 770, 919, 190, 373, 294, 822, 808, 206,
        184, 943, 795, 384, 383, 461, 404, 758, 839, 887,
        715, 67, 618, 276, 204, 918, 873, 777, 604, 560,
        951, 160, 578, 722, 79, 804, 96, 409, 713, 940,
        652, 934, 970, 447, 318, 353, 859, 672, 112, 785,
        645, 863, 803, 350, 139, 93, 354, 99, 820, 908,
        609, 772, 154, 274, 580, 184, 79, 626, 630, 742,
        653, 282, 762, 623, 680, 81, 927, 626, 789, 125,
        411, 521, 938, 300, 821, 78, 343, 175, 128, 250,
        170, 774, 972, 275, 999, 639, 495, 78, 352, 126,
        857, 956, 358, 619, 580, 124, 737, 594, 701, 612,
        669, 112, 134, 694, 363, 992, 809, 743, 168, 974,
        944, 375, 748, 52, 600, 747, 642, 182, 862, 81,
        344, 805, 988, 739, 511, 655, 814, 334, 249, 515,
        897, 955, 664, 981, 649, 113, 974, 459, 893, 228,
        433, 837, 553, 268, 926, 240, 102, 654, 459, 51,
        686, 754, 806, 760, 493, 403, 415, 394, 687, 700,
        946, 670, 656, 610, 738, 392, 760, 799, 887, 653,
        978, 321, 576, 617, 626, 502, 894, 679, 243, 440,
        680, 879, 194, 572, 640, 724, 926, 56, 204, 700,
        707, 151, 457, 449, 797, 195, 791, 558, 945, 679,
        297, 59, 87, 824, 713, 663, 412, 693, 342, 606,
        134, 108, 571, 364, 631, 212, 174, 643, 304, 329,
        343, 97, 430, 751, 497, 314, 983, 374, 822, 928,
        140, 206, 73, 263, 980, 736, 876, 478, 430, 305,
        170, 514, 364, 692, 829, 82, 855, 953, 676, 246,
        369, 970, 294, 750, 807, 827, 150, 790, 288, 923,
        804, 378, 215, 828, 592, 281, 565, 555, 710, 82,
        896, 831, 547, 261, 524, 462, 293, 465, 502, 56,
        661, 821, 976, 991, 658, 869, 905, 758, 745, 193,
        768, 550, 608, 933, 378, 286, 215, 979, 792, 961,
        61, 688, 793, 644, 986, 403, 106, 366, 905, 644,
        372, 567, 466, 434, 645, 210, 389, 550, 919, 135,
        780, 773, 635, 389, 707, 100, 626, 958, 165, 504,
        920, 176, 193, 713, 857, 265, 203, 50, 668, 108,
        645, 990, 626, 197, 510, 357, 358, 850, 858, 364,
        936, 638
    };
}