Mono.Zeroconf – Blame information for rev 1
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1 | office | 1 | // |
2 | // TxtRecord.cs |
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3 | // |
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4 | // Author: |
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5 | // Aaron Bockover <abockover@novell.com> |
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6 | // |
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7 | // Copyright (C) 2006-2008 Novell, Inc. |
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8 | // |
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9 | // Permission is hereby granted, free of charge, to any person obtaining |
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10 | // a copy of this software and associated documentation files (the |
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11 | // "Software"), to deal in the Software without restriction, including |
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12 | // without limitation the rights to use, copy, modify, merge, publish, |
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13 | // distribute, sublicense, and/or sell copies of the Software, and to |
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14 | // permit persons to whom the Software is furnished to do so, subject to |
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15 | // the following conditions: |
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16 | // |
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17 | // The above copyright notice and this permission notice shall be |
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18 | // included in all copies or substantial portions of the Software. |
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19 | // |
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20 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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21 | // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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22 | // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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23 | // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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24 | // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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25 | // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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26 | // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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27 | // |
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28 | |||
29 | using System; |
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30 | using System.Text; |
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31 | using System.Text.RegularExpressions; |
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32 | using System.Collections.Generic; |
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33 | |||
34 | using Mono.Zeroconf; |
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35 | |||
36 | namespace Mono.Zeroconf.Providers.AvahiDBus |
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37 | { |
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38 | public class TxtRecord : ITxtRecord |
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39 | { |
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40 | private List<TxtRecordItem> records = new List<TxtRecordItem> (); |
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41 | |||
42 | private static readonly Encoding encoding = new UTF8Encoding (); |
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43 | |||
44 | public TxtRecord () |
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45 | { |
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46 | } |
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47 | |||
48 | public TxtRecord (byte [][] data) |
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49 | { |
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50 | foreach (byte [] raw_item in data) { |
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51 | Regex item_regex = new Regex (@"""[^""]*""|[^,]+", RegexOptions.IgnorePatternWhitespace); |
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52 | foreach (Match item_match in item_regex.Matches (encoding.GetString (raw_item))) { |
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53 | string item = item_match.Groups[0].Value; |
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54 | string [] split_item = item.Split (new char [] { '=' }, 2); |
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55 | |||
56 | if (split_item.Length == 1) |
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57 | Add (split_item[0], String.Empty); |
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58 | else |
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59 | Add (split_item[0], split_item[1]); |
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60 | } |
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61 | } |
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62 | } |
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63 | |||
64 | public void Dispose () |
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65 | { |
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66 | } |
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67 | |||
68 | public void Add (string key, string value) |
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69 | { |
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70 | records.Add (new TxtRecordItem (key, value)); |
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71 | } |
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72 | |||
73 | public void Add (string key, byte [] value) |
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74 | { |
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75 | records.Add (new TxtRecordItem (key, value)); |
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76 | } |
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77 | |||
78 | public void Add (TxtRecordItem item) |
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79 | { |
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80 | records.Add (item); |
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81 | } |
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82 | |||
83 | public void Remove (string key) |
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84 | { |
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85 | TxtRecordItem item = Find (key); |
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86 | if (item != null) { |
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87 | records.Remove (item); |
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88 | } |
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89 | } |
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90 | |||
91 | public TxtRecordItem Find (string key) |
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92 | { |
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93 | foreach (TxtRecordItem item in records) { |
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94 | if (item.Key == key) { |
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95 | return item; |
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96 | } |
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97 | } |
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98 | |||
99 | return null; |
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100 | } |
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101 | |||
102 | public TxtRecordItem GetItemAt (int index) |
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103 | { |
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104 | return records[index] as TxtRecordItem; |
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105 | } |
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106 | |||
107 | internal static byte [][] Render (ITxtRecord record) |
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108 | { |
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109 | byte [][] items = new byte[record.Count][]; |
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110 | int index = 0; |
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111 | |||
112 | foreach (TxtRecordItem item in record) { |
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113 | string txt = String.Format ("{0}={1}", item.Key, item.ValueString); |
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114 | items[index++] = encoding.GetBytes (txt); |
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115 | } |
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116 | |||
117 | return items; |
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118 | } |
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119 | |||
120 | public IEnumerator<TxtRecordItem> GetEnumerator () |
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121 | { |
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122 | return records.GetEnumerator (); |
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123 | } |
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124 | |||
125 | System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator () |
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126 | { |
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127 | return GetEnumerator (); |
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128 | } |
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129 | |||
130 | public TxtRecordItem this[string key] { |
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131 | get { return Find (key); } |
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132 | } |
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133 | |||
134 | public int Count { |
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135 | get { return records.Count; } |
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136 | } |
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137 | |||
138 | public ITxtRecord BaseRecord { |
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139 | get { return this; } |
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140 | } |
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141 | } |
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142 | } |