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annotate GZip/GZIPConstants.cs @ 10:627dcbca86fc default tip

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* Update standard .csproj with MonoDevelop-initiated cleanup * Add Mono for Android version of .csproj file
author IBBoard <dev@ibboard.co.uk>
date Sat, 14 Jul 2012 15:25:26 +0100
parents 94e25b786321
children
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1
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1 // GZipConstants.cs
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2 //
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3 // Copyright (C) 2001 Mike Krueger
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4 //
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5 // This file was translated from java, it was part of the GNU Classpath
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6 // Copyright (C) 2001 Free Software Foundation, Inc.
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7 //
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8 // This program is free software; you can redistribute it and/or
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9 // modify it under the terms of the GNU General Public License
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10 // as published by the Free Software Foundation; either version 2
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11 // of the License, or (at your option) any later version.
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12 //
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13 // This program is distributed in the hope that it will be useful,
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14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 // GNU General Public License for more details.
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17 //
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18 // You should have received a copy of the GNU General Public License
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19 // along with this program; if not, write to the Free Software
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20 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 //
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22 // Linking this library statically or dynamically with other modules is
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23 // making a combined work based on this library. Thus, the terms and
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24 // conditions of the GNU General Public License cover the whole
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25 // combination.
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26 //
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27 // As a special exception, the copyright holders of this library give you
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28 // permission to link this library with independent modules to produce an
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29 // executable, regardless of the license terms of these independent
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30 // modules, and to copy and distribute the resulting executable under
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31 // terms of your choice, provided that you also meet, for each linked
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32 // independent module, the terms and conditions of the license of that
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33 // module. An independent module is a module which is not derived from
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34 // or based on this library. If you modify this library, you may extend
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35 // this exception to your version of the library, but you are not
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36 // obligated to do so. If you do not wish to do so, delete this
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37 // exception statement from your version.
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38
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39 namespace ICSharpCode.SharpZipLib.GZip
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40 {
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41
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42 /// <summary>
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43 /// This class contains constants used for gzip.
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44 /// </summary>
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45 sealed public class GZipConstants
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46 {
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47 /// <summary>
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48 /// Magic number found at start of GZIP header
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49 /// </summary>
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50 public const int GZIP_MAGIC = 0x1F8B;
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51
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52 /* The flag byte is divided into individual bits as follows:
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53
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54 bit 0 FTEXT
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55 bit 1 FHCRC
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56 bit 2 FEXTRA
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57 bit 3 FNAME
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58 bit 4 FCOMMENT
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59 bit 5 reserved
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60 bit 6 reserved
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61 bit 7 reserved
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62 */
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63
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64 /// <summary>
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65 /// Flag bit mask for text
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66 /// </summary>
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67 public const int FTEXT = 0x1;
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68
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69 /// <summary>
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70 /// Flag bitmask for Crc
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71 /// </summary>
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72 public const int FHCRC = 0x2;
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73
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74 /// <summary>
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75 /// Flag bit mask for extra
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76 /// </summary>
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77 public const int FEXTRA = 0x4;
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78
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79 /// <summary>
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80 /// flag bitmask for name
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81 /// </summary>
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82 public const int FNAME = 0x8;
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83
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84 /// <summary>
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85 /// flag bit mask indicating comment is present
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86 /// </summary>
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87 public const int FCOMMENT = 0x10;
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88
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89 /// <summary>
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90 /// Initialise default instance.
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91 /// </summary>
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92 /// <remarks>Constructor is private to prevent instances being created.</remarks>
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93 GZipConstants()
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94 {
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95 }
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96 }
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97 }