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| <div class="title">Syns2Index.cs</div> </div> |
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| <a href="_syns2_index_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* </span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">using</span> System.Collections.Generic;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> System.IO;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> System.Linq;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> Lucene.Net.Store;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f"> 23</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> = Lucene.Net.Analysis.Analyzer;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#aada057080323f6e867d8f9c189276716"> 24</a></span> <span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> = System.IO.Directory;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#a95c37490d2ac2832fbd090844a6c8d23"> 25</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a95c37490d2ac2832fbd090844a6c8d23">StandardAnalyzer</a> = Lucene.Net.Analysis.Standard.StandardAnalyzer;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd"> 26</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a> = Lucene.Net.Documents.Document;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6"> 27</a></span> <span class="keyword">using</span> <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a> = Lucene.Net.Documents.Field;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="_syns2_index_8cs.html#a7d90824eac5b2433e714cc9faeb34d1b"> 28</a></span> <span class="keyword">using</span> <a class="code" href="_syns2_index_8cs.html#a7d90824eac5b2433e714cc9faeb34d1b">IndexWriter</a> = Lucene.Net.Index.IndexWriter;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>WorldNet.Net</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="class_world_net_1_1_net_1_1_syns2_index.html"> 57</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_world_net_1_1_net_1_1_syns2_index.html" title="Convert the prolog file wn_s.pl from the WordNet prolog download into a Lucene index suitable for loo...">Syns2Index</a></div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">private</span> <span class="keyword">static</span> readonly System.IO.StreamWriter o;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">private</span> <span class="keyword">static</span> readonly System.IO.StreamWriter err;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="class_world_net_1_1_net_1_1_syns2_index.html#ab669f0b2f20ba12ff766a4489757a0a1"> 66</a></span>  <span class="keyword">public</span> <span class="keyword">const</span> System.String F_SYN = <span class="stringliteral">"syn"</span>;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="class_world_net_1_1_net_1_1_syns2_index.html#ace3492e5e513cd380046b743f537f3d2"> 69</a></span>  <span class="keyword">public</span> <span class="keyword">const</span> System.String F_WORD = <span class="stringliteral">"word"</span>;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">private</span> <span class="keyword">static</span> readonly <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> ana = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a95c37490d2ac2832fbd090844a6c8d23">StandardAnalyzer</a>(Lucene.Net.Util.Version.LUCENE_CURRENT);</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  [STAThread]</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="class_world_net_1_1_net_1_1_syns2_index.html#a23b450320ac2d12079f35c044ca9ddae"> 78</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Main(System.String[] args)</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// get command line arguments</span></div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  String prologFilename = null; <span class="comment">// name of file "wn_s.pl"</span></div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  String indexDir = null;</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (args.Length == 2)</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  prologFilename = args[0];</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  indexDir = args[1];</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  Usage();</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  Environment.Exit(1);</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// ensure that the prolog file is readable</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">if</span> (!(<span class="keyword">new</span> FileInfo(prologFilename)).Exists)</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  err.WriteLine(<span class="stringliteral">"Error: cannot read Prolog file: "</span> + prologFilename);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  Environment.Exit(1);</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  }</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// exit if the target index directory already exists</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a>.Exists((<span class="keyword">new</span> FileInfo(indexDir)).FullName))</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  err.WriteLine(<span class="stringliteral">"Error: index directory already exists: "</span> + indexDir);</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  err.WriteLine(<span class="stringliteral">"Please specify a name of a non-existent directory"</span>);</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  Environment.Exit(1);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  o.WriteLine(<span class="stringliteral">"Opening Prolog file "</span> + prologFilename);</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  var fis = <span class="keyword">new</span> FileStream(prologFilename, FileMode.Open, FileAccess.Read);</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  var br = <span class="keyword">new</span> StreamReader(<span class="keyword">new</span> StreamReader(fis, System.Text.Encoding.Default).BaseStream, <span class="keyword">new</span> StreamReader(fis, System.Text.Encoding.Default).CurrentEncoding);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  String line;</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// maps a word to all the "groups" it's in</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  System.Collections.IDictionary word2Nums = <span class="keyword">new</span> System.Collections.SortedList();</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// maps a group to all the words in it</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  System.Collections.IDictionary num2Words = <span class="keyword">new</span> System.Collections.SortedList();</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// number of rejected words</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  var ndecent = 0;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// status output</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  var mod = 1;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  var row = 1;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// parse prolog file</span></div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  o.WriteLine(<span class="stringliteral">"[1/2] Parsing "</span> + prologFilename);</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">while</span> ((line = br.ReadLine()) != null)</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// occasional progress</span></div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> ((++row) % mod == 0) <span class="comment">// periodically print out line we read in</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  {</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  mod *= 2;</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  o.WriteLine(<span class="stringliteral">"\t"</span> + row + <span class="stringliteral">" "</span> + line + <span class="stringliteral">" "</span> + word2Nums.Count + <span class="stringliteral">" "</span> + num2Words.Count + <span class="stringliteral">" ndecent="</span> + ndecent);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// syntax check</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span> (!line.StartsWith(<span class="stringliteral">"s("</span>))</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  err.WriteLine(<span class="stringliteral">"OUCH: "</span> + line);</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  Environment.Exit(1);</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// parse line</span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  line = line.Substring(2);</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  var comma = line.IndexOf(<span class="charliteral">','</span>);</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  var num = line.Substring(0, comma);</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  var q1 = line.IndexOf(<span class="charliteral">'\''</span>);</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  line = line.Substring(q1 + 1);</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  var q2 = line.IndexOf(<span class="charliteral">'\''</span>);</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  var word = line.Substring(0, q2).ToLower().Replace(<span class="stringliteral">"''"</span>, <span class="stringliteral">"'"</span>);</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// make sure is a normal word</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (!IsDecent(word))</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  ndecent++;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">continue</span>; <span class="comment">// don't store words w/ spaces</span></div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// 1/2: word2Nums map</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// append to entry or add new one</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  var lis = (System.Collections.IList) word2Nums[word];</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (lis == null)</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  lis = <span class="keyword">new</span> List<String> {num};</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  word2Nums[word] = lis;</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  lis.Add(num);</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// 2/2: num2Words map</span></div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  lis = (System.Collections.IList) num2Words[num];</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (lis == null)</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  lis = <span class="keyword">new</span> List<String> { word };</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  num2Words[num] = lis;</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  }</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  lis.Add(word);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// close the streams</span></div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  fis.Close();</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  br.Close();</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// create the index</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  o.WriteLine(<span class="stringliteral">"[2/2] Building index to store synonyms, "</span> + <span class="stringliteral">" map sizes are "</span> + word2Nums.Count + <span class="stringliteral">" and "</span> + num2Words.Count);</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  Index(indexDir, word2Nums, num2Words);</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> IsDecent(String s)</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  var len = s.Length;</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">for</span> (var i = 0; i < len; i++)</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (!Char.IsLetter(s[i]))</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  {</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Index(String indexDir, System.Collections.IDictionary word2Nums, System.Collections.IDictionary num2Words)</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  var row = 0;</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  var mod = 1;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">using</span> (var dir = <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_f_s_directory.html" title=" Base class for Directory implementations that store index files in the file system. There are currently three core subclasses:">FSDirectory</a>.<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_f_s_directory.html#a33ea2927779ca535c4cb90ea0dc76cfa" title="Creates an FSDirectory instance, trying to pick the best implementation given the current environment...">Open</a>(<span class="keyword">new</span> DirectoryInfo(indexDir)))</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  var writer = <span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>(dir, ana, <span class="keyword">true</span>, <a class="code" href="_syns2_index_8cs.html#a7d90824eac5b2433e714cc9faeb34d1b">IndexWriter</a>.MaxFieldLength.LIMITED);</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  writer.UseCompoundFile = <span class="keyword">true</span>; <span class="comment">// why?</span></div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  var i1 = word2Nums.Keys.GetEnumerator();</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">while</span> (i1.MoveNext())</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  var g = (String)i1.Current;</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  var doc = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a>();</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  var n = Index(word2Nums, num2Words, g, doc);</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (n > 0)</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  {</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(F_WORD, g, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.YES, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NOT_ANALYZED));</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> ((++row % mod) == 0)</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  {</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  o.WriteLine(<span class="stringliteral">"\trow="</span> + row + <span class="stringliteral">"/"</span> + word2Nums.Count + <span class="stringliteral">" doc= "</span> + doc);</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  mod *= 2;</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  writer.AddDocument(doc);</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  }</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  o.WriteLine(<span class="stringliteral">"Optimizing.."</span>);</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  writer.Optimize();</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  writer.Close();</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">int</span> Index(System.Collections.IDictionary word2Nums, System.Collections.IDictionary num2Words, System.String g, <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a> doc)</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  var keys = (System.Collections.IList) word2Nums[g]; <span class="comment">// get list of key#'s</span></div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  var i2 = keys.GetEnumerator();</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  var already = <span class="keyword">new</span> System.Collections.SortedList(); <span class="comment">// keep them sorted</span></div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// pass 1: fill up 'already' with all words</span></div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">while</span> (i2.MoveNext()) <span class="comment">// for each key#</span></div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  {</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">foreach</span> (var item <span class="keywordflow">in</span></div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  ((System.Collections.IList) num2Words[i2.Current]).Cast<<span class="keywordtype">object</span>>().Where(item => already.Contains(item) == <span class="keyword">false</span>))</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  {</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  already.Add(item, item);</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  var num = 0;</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  already.Remove(g); <span class="comment">// of course a word is it's own syn</span></div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  var it = already.GetEnumerator();</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">while</span> (it.MoveNext())</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  {</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  var cur = (String) it.Key;</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// don't store things like 'pit bull' -> 'american pit bull'</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  if (!IsDecent(cur))</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  num++;</div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(F_SYN, cur, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.YES, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NO));</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> num;</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Usage()</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  {</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  o.WriteLine(<span class="stringliteral">"\n\n"</span> + typeof(Syns2Index) + <span class="stringliteral">" <prolog file> <index dir>\n\n"</span>);</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> }</div> |
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