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[Dotgnu-pnet-commits] pnetlib/SharpZipLib/BZip2 BZip2.cs, NONE, 1.1 BZip


From: Rhys Weatherley <address@hidden>
Subject: [Dotgnu-pnet-commits] pnetlib/SharpZipLib/BZip2 BZip2.cs, NONE, 1.1 BZip2Constants.cs, NONE, 1.1 BZip2InputStream.cs, NONE, 1.1 BZip2OutputStream.cs, NONE, 1.1
Date: Wed, 08 Oct 2003 07:37:06 +0000

Update of /cvsroot/dotgnu-pnet/pnetlib/SharpZipLib/BZip2
In directory subversions:/tmp/cvs-serv5756/SharpZipLib/BZip2

Added Files:
        BZip2.cs BZip2Constants.cs BZip2InputStream.cs 
        BZip2OutputStream.cs 
Log Message:


Add the "SharpZipLib" directory to pnetlib, which is a port of
SharpDevelop's compression handling library.


--- NEW FILE: BZip2Constants.cs ---
// BZip2Constants.cs
// Copyright (C) 2001 Mike Krueger
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
// 
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting executable under
// terms of your choice, provided that you also meet, for each linked
// independent module, the terms and conditions of the license of that
// module.  An independent module is a module which is not derived from
// or based on this library.  If you modify this library, you may extend
// this exception to your version of the library, but you are not
// obligated to do so.  If you do not wish to do so, delete this
// exception statement from your version.

namespace ICSharpCode.SharpZipLib.BZip2 
{
        
        /// <summary>
        /// Base class for both the compress and decompress classes.
        /// Holds common arrays, and static data.
        /// </summary>
        public sealed class BZip2Constants
        {
                public readonly static 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
                                                                                
         };
                
                public readonly static int baseBlockSize = 100000;
                
                public readonly static int MAX_ALPHA_SIZE = 258;
                public readonly static int MAX_CODE_LEN = 23;
                
                public readonly static int RUNA = 0;
                public readonly static int RUNB = 1;
                
                public readonly static int N_GROUPS = 6;
                public readonly static int G_SIZE = 50;
                public readonly static int N_ITERS = 4;
                
                public readonly static int MAX_SELECTORS = (2 + (900000 / 
G_SIZE));
                
                public readonly static int NUM_OVERSHOOT_BYTES = 20;
        }
}
        
/* This file was derived from a file containing under this license:
 * 
 * This file is a part of bzip2 and/or libbzip2, a program and
 * library for lossless, block-sorting data compression.
 * 
 * Copyright (C) 1996-1998 Julian R Seward.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * 2. The origin of this software must not be misrepresented; you must 
 * not claim that you wrote the original software.  If you use this 
 * software in a product, an acknowledgment in the product 
 * documentation would be appreciated but is not required.
 * 
 * 3. Altered source versions must be plainly marked as such, and must
 * not be misrepresented as being the original software.
 * 
 * 4. The name of the author may not be used to endorse or promote 
 * products derived from this software without specific prior written 
 * permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java version ported by Keiron Liddle, Aftex Software <address@hidden> 
1999-2001
 */

--- NEW FILE: BZip2.cs ---
// BZip2.cs
// Copyright (C) 2001 Mike Krueger
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
// 
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting executable under
// terms of your choice, provided that you also meet, for each linked
// independent module, the terms and conditions of the license of that
// module.  An independent module is a module which is not derived from
// or based on this library.  If you modify this library, you may extend
// this exception to your version of the library, but you are not
// obligated to do so.  If you do not wish to do so, delete this
// exception statement from your version.

using System;
using System.IO;

namespace ICSharpCode.SharpZipLib.BZip2 
{
        
        /// <summary>
        /// Does all the compress and decompress pre-operation stuff.
        /// Sets up the streams and file header characters.
        /// Uses multiply overloaded methods to call for the 
compress/decompress.
        /// </summary>
        public sealed class BZip2
        {
                public static void Decompress(Stream instream, Stream 
outstream) 
                {
                        System.IO.Stream bos = outstream;
                        System.IO.Stream bis = instream;
                        int b = bis.ReadByte();
                        if (b != 'B') 
                        {
                                return;
                        }
                        b = bis.ReadByte();
                        if (b != 'Z') 
                        {
                                return;
                        }
                        BZip2InputStream bzis = new BZip2InputStream(bis);
                        int ch = bzis.ReadByte();
                        while (ch != -1) 
                        {
                                bos.WriteByte((byte)ch);
                                ch = bzis.ReadByte();
                        }
                        bos.Flush();
                }
                
                public static void Compress(Stream instream, Stream outstream, 
int blockSize) 
                {                       
                        System.IO.Stream bos = outstream;
                        bos.WriteByte((byte)'B');
                        bos.WriteByte((byte)'Z');
                        System.IO.Stream bis = instream;
                        int ch = bis.ReadByte();
                        BZip2OutputStream bzos = new BZip2OutputStream(bos);
                        while(ch != -1) 
                        {
                                bzos.WriteByte((byte)ch);
                                ch = bis.ReadByte();
                        }
                        bis.Close();
                        bzos.Close();
                }
        }
}
/* derived from a file which contained this license :
 * Copyright (c) 1999-2001 Keiron Liddle, Aftex Software
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
*/

--- NEW FILE: BZip2InputStream.cs ---
// BZip2InputStream.cs
// Copyright (C) 2001 Mike Krueger
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
[...1023 lines suppressed...]
 * not be misrepresented as being the original software.
 * 
 * 4. The name of the author may not be used to endorse or promote 
 * products derived from this software without specific prior written 
 * permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java version ported by Keiron Liddle, Aftex Software <address@hidden> 
1999-2001
 */

--- NEW FILE: BZip2OutputStream.cs ---
// BZip2OutputStream.cs
// Copyright (C) 2001 Mike Krueger
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
[...1924 lines suppressed...]
 * not be misrepresented as being the original software.
 * 
 * 4. The name of the author may not be used to endorse or promote 
 * products derived from this software without specific prior written 
 * permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * Java version ported by Keiron Liddle, Aftex Software <address@hidden> 
1999-2001
 */





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