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| <div class="title">PorterStemmer.cs</div> </div> |
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| <a href="core_2_analysis_2_porter_stemmer_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="comment">/*</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">Porter stemmer in Java. The original paper is in</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">Porter, 1980, An algorithm for suffix stripping, Program, Vol. 14,</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">no. 3, pp 130-137,</span></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">See also http://www.tartarus.org/~martin/PorterStemmer/index.html</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">Bug 1 (reported by Gonzalo Parra 16/10/99) fixed as marked below.</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">Tthe words 'aed', 'eed', 'oed' leave k at 'a' for step 3, and b[k-1]</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">is then out outside the bounds of b.</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">Similarly,</span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">Bug 2 (reported by Steve Dyrdahl 22/2/00) fixed as marked below.</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">'ion' by itself leaves j = -1 in the test for 'ion' in step 5, and</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">b[j] is then outside the bounds of b.</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">Release 3.</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">[ This version is derived from Release 3, modified by Brian Goetz to</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">optimize for fewer object creations. ]</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">*/</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>Lucene.Net.Analysis</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html"> 54</a></span>  <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html" title="Stemmer, implementing the Porter Stemming Algorithm">PorterStemmer</a></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">private</span> <span class="keywordtype">char</span>[] b;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> i, j, k, k0;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> dirty = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">int</span> INC = 50; <span class="comment">/* unit of size whereby b is increased */</span></div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">int</span> EXTRA = 1;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a8b7e05941a27a59f63d6df4836fdf183"> 62</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html" title="Stemmer, implementing the Porter Stemming Algorithm">PorterStemmer</a>()</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  b = <span class="keyword">new</span> <span class="keywordtype">char</span>[INC];</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  i = 0;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a6480b229b615056cb655baf821b99cf2"> 72</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Reset()</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  i = 0; dirty = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a2ff9c141b2542c4525a28dae820c626c"> 80</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Add(<span class="keywordtype">char</span> ch)</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (b.Length <= i + EXTRA)</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  var new_b = <span class="keyword">new</span> <span class="keywordtype">char</span>[b.Length + INC];</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  Array.Copy(b, 0, new_b, 0, b.Length);</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  b = new_b;</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>  b[i++] = ch;</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>  </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#af18edae9be6a09d700f6e863519d516f"> 95</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> System.String ToString()</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>  <span class="keywordflow">return</span> <span class="keyword">new</span> System.String(b, 0, i);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> ResultLength</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a18f1b95d7d31446151be7bc7d3b31f16"> 102</a></span>  {</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> i; }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">char</span>[] ResultBuffer</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#ac6c123720fd33309f3ee1c2b94131297"> 111</a></span>  {</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> b; }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">/* cons(i) is true <=> b[i] is a consonant. */</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> Cons(<span class="keywordtype">int</span> i)</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">switch</span> (b[i])</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">case</span> <span class="charliteral">'a'</span>: </div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: </div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">case</span> <span class="charliteral">'i'</span>: </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">case</span> <span class="charliteral">'y'</span>: </div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> (i == k0)?<span class="keyword">true</span>:!Cons(i - 1);</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">default</span>: </div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</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>  </div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">/* m() measures the number of consonant sequences between k0 and j. if c is</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> a consonant sequence and v a vowel sequence, and <..> indicates arbitrary</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> presence,</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> <c><v> gives 0</span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> <c>vc<v> gives 1</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> <c>vcvc<v> gives 2</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> <c>vcvcvc<v> gives 3</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> ....</span></div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> M()</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">int</span> n = 0;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">int</span> i = k0;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (i > j)</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">return</span> n;</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (!Cons(i))</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  i++;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  i++;</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  {</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (i > j)</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">return</span> n;</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (Cons(i))</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  i++;</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>  i++;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  n++;</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (i > j)</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> n;</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">if</span> (!Cons(i))</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  i++;</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  i++;</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">/* vowelinstem() is true <=> k0,...j contains a vowel */</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> Vowelinstem()</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">int</span> i;</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">for</span> (i = k0; i <= j; i++)</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (!Cons(i))</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  </div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">/* doublec(j) is true <=> j,(j-1) contain a double consonant. */</span></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="keyword">private</span> <span class="keywordtype">bool</span> Doublec(<span class="keywordtype">int</span> j)</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">if</span> (j < k0 + 1)</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">if</span> (b[j] != b[j - 1])</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">return</span> Cons(j);</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">/* cvc(i) is true <=> i-2,i-1,i has the form consonant - vowel - consonant</span></div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> and also if the second c is not w,x or y. this is used when trying to</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> restore an e at the end of a short word. e.g.</span></div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> cav(e), lov(e), hop(e), crim(e), but</span></div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> snow, box, tray.</span></div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  </div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> Cvc(<span class="keywordtype">int</span> i)</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">if</span> (i < k0 + 2 || !Cons(i) || Cons(i - 1) || !Cons(i - 2))</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">else</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>  <span class="keywordtype">int</span> ch = b[i];</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (ch == <span class="charliteral">'w'</span> || ch == <span class="charliteral">'x'</span> || ch == <span class="charliteral">'y'</span>)</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  </div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> Ends(System.String s)</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>  <span class="keywordtype">int</span> l = s.Length;</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordtype">int</span> o = k - l + 1;</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (o < k0)</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < l; i++)</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">if</span> (b[o + i] != s[i])</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  j = k - l;</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  }</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">/* setto(s) sets (j+1),...k to the characters in the string s, readjusting</span></div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> k. */</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>  <span class="keyword">internal</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Setto(System.String s)</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">int</span> l = s.Length;</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordtype">int</span> o = j + 1;</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < l; i++)</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  b[o + i] = s[i];</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  k = j + l;</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  dirty = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</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>  <span class="comment">/* r(s) is used further down. */</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="keyword">internal</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> R(System.String s)</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (M() > 0)</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  Setto(s);</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</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>  <span class="comment">/* step1() gets rid of plurals and -ed or -ing. e.g.</span></div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> caresses -> caress</span></div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> ponies -> poni</span></div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> ties -> ti</span></div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> caress -> caress</span></div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> cats -> cat</span></div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> feed -> feed</span></div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> agreed -> agree</span></div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> disabled -> disable</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> matting -> mat</span></div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> mating -> mate</span></div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> meeting -> meet</span></div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> milling -> mill</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> messing -> mess</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> meetings -> meet</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> </span></div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step1()</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>  <span class="keywordflow">if</span> (b[k] == <span class="charliteral">'s'</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>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"sses"</span>))</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  k -= 2;</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ies"</span>))</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  Setto(<span class="stringliteral">"i"</span>);</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b[k - 1] != <span class="charliteral">'s'</span>)</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  k--;</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"eed"</span>))</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">if</span> (M() > 0)</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  k--;</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((Ends(<span class="stringliteral">"ed"</span>) || Ends(<span class="stringliteral">"ing"</span>)) && Vowelinstem())</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  {</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  k = j;</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"at"</span>))</div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  Setto(<span class="stringliteral">"ate"</span>);</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"bl"</span>))</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  Setto(<span class="stringliteral">"ble"</span>);</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"iz"</span>))</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  Setto(<span class="stringliteral">"ize"</span>);</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (Doublec(k))</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  {</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordtype">int</span> ch = b[k--];</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">if</span> (ch == <span class="charliteral">'l'</span> || ch == <span class="charliteral">'s'</span> || ch == <span class="charliteral">'z'</span>)</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  k++;</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (M() == 1 && Cvc(k))</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  Setto(<span class="stringliteral">"e"</span>);</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  }</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">/* step2() turns terminal y to i when there is another vowel in the stem. */</span></div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  </div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step2()</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"y"</span>) && Vowelinstem())</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  {</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  b[k] = <span class="charliteral">'i'</span>;</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  dirty = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  }</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">/* step3() maps double suffices to single ones. so -ization ( = -ize plus</span></div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> -ation) maps to -ize etc. note that the string before the suffix must give</span></div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> m() > 0. */</span></div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step3()</div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  {</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (k == k0)</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  return ; <span class="comment">/* For Bug 1 */</span></div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">switch</span> (b[k - 1])</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  {</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">case</span> <span class="charliteral">'a'</span>: </div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ational"</span>))</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  {</div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  R(<span class="stringliteral">"ate"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"tional"</span>))</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  {</div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  R(<span class="stringliteral">"tion"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div> |
| <div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: </div> |
| <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"enci"</span>))</div> |
| <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  {</div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  R(<span class="stringliteral">"ence"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"anci"</span>))</div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  {</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  R(<span class="stringliteral">"ance"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  </div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: </div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"izer"</span>))</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  {</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  R(<span class="stringliteral">"ize"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  </div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">case</span> <span class="charliteral">'l'</span>: </div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"bli"</span>))</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  {</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  R(<span class="stringliteral">"ble"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"alli"</span>))</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  {</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  R(<span class="stringliteral">"al"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"entli"</span>))</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  R(<span class="stringliteral">"ent"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"eli"</span>))</div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  {</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  R(<span class="stringliteral">"e"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ousli"</span>))</div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  {</div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  R(<span class="stringliteral">"ous"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: </div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ization"</span>))</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  {</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  R(<span class="stringliteral">"ize"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ation"</span>))</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  {</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  R(<span class="stringliteral">"ate"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ator"</span>))</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  {</div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  R(<span class="stringliteral">"ate"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  </div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: </div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"alism"</span>))</div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  R(<span class="stringliteral">"al"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"iveness"</span>))</div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  {</div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  R(<span class="stringliteral">"ive"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"fulness"</span>))</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  {</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  R(<span class="stringliteral">"ful"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ousness"</span>))</div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  {</div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  R(<span class="stringliteral">"ous"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  </div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">case</span> <span class="charliteral">'t'</span>: </div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"aliti"</span>))</div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  {</div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  R(<span class="stringliteral">"al"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  }</div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"iviti"</span>))</div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  {</div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  R(<span class="stringliteral">"ive"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"biliti"</span>))</div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  {</div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  R(<span class="stringliteral">"ble"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">case</span> <span class="charliteral">'g'</span>: </div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"logi"</span>))</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  {</div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  R(<span class="stringliteral">"log"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  }</div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  }</div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  </div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="comment">/* step4() deals with -ic-, -full, -ness etc. similar strategy to step3. */</span></div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  </div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step4()</div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  {</div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">switch</span> (b[k])</div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  {</div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: </div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"icate"</span>))</div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  {</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  R(<span class="stringliteral">"ic"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div> |
| <div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ative"</span>))</div> |
| <div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  {</div> |
| <div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  R(<span class="stringliteral">""</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"alize"</span>))</div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  {</div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  R(<span class="stringliteral">"al"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  </div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="keywordflow">case</span> <span class="charliteral">'i'</span>: </div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"iciti"</span>))</div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div> |
| <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  R(<span class="stringliteral">"ic"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div> |
| <div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div> |
| <div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">case</span> <span class="charliteral">'l'</span>: </div> |
| <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ical"</span>))</div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  {</div> |
| <div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  R(<span class="stringliteral">"ic"</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ful"</span>))</div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  {</div> |
| <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  R(<span class="stringliteral">""</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div> |
| <div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  </div> |
| <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: </div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ness"</span>))</div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  {</div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  R(<span class="stringliteral">""</span>); <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  }</div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  }</div> |
| <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  </div> |
| <div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">/* step5() takes off -ant, -ence etc., in context <c>vcvc<v>. */</span></div> |
| <div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  </div> |
| <div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step5()</div> |
| <div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  {</div> |
| <div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> (k == k0)</div> |
| <div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  return ; <span class="comment">/* for Bug 1 */</span></div> |
| <div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">switch</span> (b[k - 1])</div> |
| <div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  {</div> |
| <div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  </div> |
| <div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">case</span> <span class="charliteral">'a'</span>: </div> |
| <div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"al"</span>))</div> |
| <div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  return ;</div> |
| <div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  </div> |
| <div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: </div> |
| <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ance"</span>))</div> |
| <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ence"</span>))</div> |
| <div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  return ;</div> |
| <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  </div> |
| <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: </div> |
| <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"er"</span>))</div> |
| <div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">break</span>; return ;</div> |
| <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  </div> |
| <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">case</span> <span class="charliteral">'i'</span>: </div> |
| <div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ic"</span>))</div> |
| <div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">break</span>; return ;</div> |
| <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  </div> |
| <div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">case</span> <span class="charliteral">'l'</span>: </div> |
| <div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"able"</span>))</div> |
| <div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ible"</span>))</div> |
| <div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">break</span>; return ;</div> |
| <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  </div> |
| <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">case</span> <span class="charliteral">'n'</span>: </div> |
| <div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ant"</span>))</div> |
| <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ement"</span>))</div> |
| <div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ment"</span>))</div> |
| <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="comment">/* element etc. not stripped before the m */</span></div> |
| <div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ent"</span>))</div> |
| <div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  return ;</div> |
| <div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  </div> |
| <div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: </div> |
| <div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ion"</span>) && j >= 0 && (b[j] == <span class="charliteral">'s'</span> || b[j] == <span class="charliteral">'t'</span>))</div> |
| <div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="comment">/* j >= 0 fixes Bug 2 */</span></div> |
| <div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ou"</span>))</div> |
| <div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  return ;</div> |
| <div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">/* takes care of -ous */</span></div> |
| <div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  </div> |
| <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">case</span> <span class="charliteral">'s'</span>: </div> |
| <div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ism"</span>))</div> |
| <div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  return ;</div> |
| <div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  </div> |
| <div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  <span class="keywordflow">case</span> <span class="charliteral">'t'</span>: </div> |
| <div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ate"</span>))</div> |
| <div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"iti"</span>))</div> |
| <div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  return ;</div> |
| <div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  </div> |
| <div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: </div> |
| <div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ous"</span>))</div> |
| <div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  return ;</div> |
| <div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div> |
| <div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">case</span> <span class="charliteral">'v'</span>: </div> |
| <div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ive"</span>))</div> |
| <div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  return ;</div> |
| <div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  </div> |
| <div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">case</span> <span class="charliteral">'z'</span>: </div> |
| <div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keywordflow">if</span> (Ends(<span class="stringliteral">"ize"</span>))</div> |
| <div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  return ;</div> |
| <div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  </div> |
| <div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">default</span>: </div> |
| <div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  return ;</div> |
| <div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  </div> |
| <div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  }</div> |
| <div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="keywordflow">if</span> (M() > 1)</div> |
| <div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  k = j;</div> |
| <div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div> |
| <div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  </div> |
| <div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  <span class="comment">/* step6() removes a final -e if m() > 1. */</span></div> |
| <div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  </div> |
| <div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Step6()</div> |
| <div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  {</div> |
| <div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  j = k;</div> |
| <div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="keywordflow">if</span> (b[k] == <span class="charliteral">'e'</span>)</div> |
| <div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  {</div> |
| <div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordtype">int</span> a = M();</div> |
| <div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <span class="keywordflow">if</span> (a > 1 || a == 1 && !Cvc(k - 1))</div> |
| <div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  k--;</div> |
| <div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  }</div> |
| <div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">if</span> (b[k] == <span class="charliteral">'l'</span> && Doublec(k) && M() > 1)</div> |
| <div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  k--;</div> |
| <div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  }</div> |
| <div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  </div> |
| <div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  </div> |
| <div class="line"><a name="l00611"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a861bd724c87fd7498487337b6521bfa6"> 611</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> System.String Stem(System.String s)</div> |
| <div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  {</div> |
| <div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordflow">if</span> (Stem(s.ToCharArray(), s.Length))</div> |
| <div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  {</div> |
| <div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keywordflow">return</span> ToString();</div> |
| <div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  }</div> |
| <div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">return</span> s;</div> |
| <div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  }</div> |
| <div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  </div> |
| <div class="line"><a name="l00625"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a33ca5885adf8abb7604ed894f1dda0b5"> 625</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Stem(<span class="keywordtype">char</span>[] word)</div> |
| <div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  {</div> |
| <div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">return</span> Stem(word, word.Length);</div> |
| <div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  }</div> |
| <div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  </div> |
| <div class="line"><a name="l00635"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a07d3afeef7825c779e1d1b20986a1e6d"> 635</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Stem(<span class="keywordtype">char</span>[] wordBuffer, <span class="keywordtype">int</span> offset, <span class="keywordtype">int</span> wordLen)</div> |
| <div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  {</div> |
| <div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  Reset();</div> |
| <div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  <span class="keywordflow">if</span> (b.Length < wordLen)</div> |
| <div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  {</div> |
| <div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  var new_b = <span class="keyword">new</span> <span class="keywordtype">char</span>[wordLen + EXTRA];</div> |
| <div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  b = new_b;</div> |
| <div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  }</div> |
| <div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  Array.Copy(wordBuffer, offset, b, 0, wordLen);</div> |
| <div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  i = wordLen;</div> |
| <div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  <span class="keywordflow">return</span> Stem(0);</div> |
| <div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  }</div> |
| <div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  </div> |
| <div class="line"><a name="l00653"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a115d25e022aef678d305b945ac946c3c"> 653</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Stem(<span class="keywordtype">char</span>[] word, <span class="keywordtype">int</span> wordLen)</div> |
| <div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  {</div> |
| <div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">return</span> Stem(word, 0, wordLen);</div> |
| <div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  }</div> |
| <div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  </div> |
| <div class="line"><a name="l00663"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a70ca26e044582968fe68d5bb8ec995aa"> 663</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Stem()</div> |
| <div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  {</div> |
| <div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  <span class="keywordflow">return</span> Stem(0);</div> |
| <div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div> |
| <div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  </div> |
| <div class="line"><a name="l00668"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#a4d9d9e9de971d6b39bef0c69dc54f2e2"> 668</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Stem(<span class="keywordtype">int</span> i0)</div> |
| <div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  {</div> |
| <div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  k = i - 1;</div> |
| <div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  k0 = i0;</div> |
| <div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="keywordflow">if</span> (k > k0 + 1)</div> |
| <div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  {</div> |
| <div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  Step1(); Step2(); Step3(); Step4(); Step5(); Step6();</div> |
| <div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  }</div> |
| <div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <span class="comment">// Also, a word is considered dirty if we lopped off letters</span></div> |
| <div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <span class="comment">// Thanks to Ifigenia Vairelles for pointing this out.</span></div> |
| <div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <span class="keywordflow">if</span> (i != k + 1)</div> |
| <div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  dirty = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  i = k + 1;</div> |
| <div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">return</span> dirty;</div> |
| <div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  }</div> |
| <div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  </div> |
| <div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  [STAThread]</div> |
| <div class="line"><a name="l00689"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html#aec31db8a4e1d7d82289d50d162faaf23"> 689</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="l00690"></a><span class="lineno"> 690</span>  {</div> |
| <div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  var s = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_porter_stemmer.html" title="Stemmer, implementing the Porter Stemming Algorithm">PorterStemmer</a>();</div> |
| <div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  </div> |
| <div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < args.Length; i++)</div> |
| <div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  {</div> |
| <div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  {</div> |
| <div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  System.IO.Stream in_Renamed = <span class="keyword">new</span> System.IO.FileStream(args[i], System.IO.FileMode.Open, System.IO.FileAccess.Read);</div> |
| <div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  var buffer = <span class="keyword">new</span> byte[1024];</div> |
| <div class="line"><a name="l00699"></a><span class="lineno"> 699</span> </div> |
| <div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  <span class="keywordtype">int</span> bufferLen = in_Renamed.Read(buffer, 0, buffer.Length);</div> |
| <div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  <span class="keywordtype">int</span> offset = 0;</div> |
| <div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  s.Reset();</div> |
| <div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  </div> |
| <div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00705"></a><span class="lineno"> 705</span>  {</div> |
| <div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="keywordtype">int</span> ch;</div> |
| <div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <span class="keywordflow">if</span> (offset < bufferLen)</div> |
| <div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  ch = buffer[offset++];</div> |
| <div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  {</div> |
| <div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  bufferLen = in_Renamed.Read(buffer, 0, buffer.Length);</div> |
| <div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  offset = 0;</div> |
| <div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <span class="keywordflow">if</span> (bufferLen < 0)</div> |
| <div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  ch = - 1;</div> |
| <div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  ch = buffer[offset++];</div> |
| <div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  }</div> |
| <div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  </div> |
| <div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">if</span> (Char.IsLetter((<span class="keywordtype">char</span>) ch))</div> |
| <div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  {</div> |
| <div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  s.Add(Char.ToLower((<span class="keywordtype">char</span>) ch));</div> |
| <div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  }</div> |
| <div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  {</div> |
| <div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  s.Stem();</div> |
| <div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  Console.Out.Write(s.ToString());</div> |
| <div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  s.Reset();</div> |
| <div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <span class="keywordflow">if</span> (ch < 0)</div> |
| <div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">break</span>;</div> |
| <div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  {</div> |
| <div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  System.Console.Out.Write((<span class="keywordtype">char</span>) ch);</div> |
| <div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  }</div> |
| <div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  }</div> |
| <div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div> |
| <div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  </div> |
| <div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  in_Renamed.Close();</div> |
| <div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  }</div> |
| <div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">catch</span> (System.IO.IOException)</div> |
| <div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  {</div> |
| <div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  Console.Out.WriteLine(<span class="stringliteral">"error reading "</span> + args[i]);</div> |
| <div class="line"><a name="l00742"></a><span class="lineno"> 742</span>  }</div> |
| <div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  }</div> |
| <div class="line"><a name="l00744"></a><span class="lineno"> 744</span>  }</div> |
| <div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  }</div> |
| <div class="line"><a name="l00746"></a><span class="lineno"> 746</span> }</div> |
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