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| <div class="title">BaseFragmentsBuilder.cs</div> </div> |
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| <a href="_base_fragments_builder_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.Text;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> Lucene.Net.Documents;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> Lucene.Net.Search;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> Lucene.Net.Index;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c"> 26</a></span> <span class="keyword">using</span> <a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c">WeightedFragInfo</a> = Lucene.Net.Search.Vectorhighlight.FieldFragList.WeightedFragInfo;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="_base_fragments_builder_8cs.html#a1f635c8c2cfd641dc4ea806f8df5dd9e"> 27</a></span> <span class="keyword">using</span> <a class="code" href="_base_fragments_builder_8cs.html#a1f635c8c2cfd641dc4ea806f8df5dd9e">SubInfo</a> = Lucene.Net.Search.Vectorhighlight.FieldFragList.WeightedFragInfo.SubInfo;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="_base_fragments_builder_8cs.html#a102780507b9a4175d77df3cac612813d"> 28</a></span> <span class="keyword">using</span> <a class="code" href="_base_fragments_builder_8cs.html#a102780507b9a4175d77df3cac612813d">Toffs</a> = Lucene.Net.Search.Vectorhighlight.FieldPhraseList.WeightedPhraseInfo.Toffs;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="namespace_lucene_1_1_net_1_1_search_1_1_vectorhighlight.html"> 30</a></span> <span class="keyword">namespace </span>Lucene.Net.Search.Vectorhighlight</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html"> 32</a></span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html">BaseFragmentsBuilder</a> : <a class="code" href="interface_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_fragments_builder.html" title="FragmentsBuilder is an interface for fragments (snippets) builder classes. A FragmentsBuilder class c...">FragmentsBuilder</a></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#aecf765be544584c6186144202e6037a9"> 34</a></span>  <span class="keyword">protected</span> String[] <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#aecf765be544584c6186144202e6037a9">preTags</a>, postTags;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a380372c1a0dce502789920cd993ae5bd"> 35</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> String[] COLORED_PRE_TAGS = {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">"<b style=\"background:yellow\">"</span>, <span class="stringliteral">"<b style=\"background:lawngreen\">"</span>, <span class="stringliteral">"<b style=\"background:aquamarine\">"</span>,</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="stringliteral">"<b style=\"background:magenta\">"</span>, <span class="stringliteral">"<b style=\"background:palegreen\">"</span>, <span class="stringliteral">"<b style=\"background:coral\">"</span>,</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"<b style=\"background:wheat\">"</span>, <span class="stringliteral">"<b style=\"background:khaki\">"</span>, <span class="stringliteral">"<b style=\"background:lime\">"</span>,</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"<b style=\"background:deepskyblue\">"</span>, <span class="stringliteral">"<b style=\"background:deeppink\">"</span>, <span class="stringliteral">"<b style=\"background:salmon\">"</span>,</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="stringliteral">"<b style=\"background:peachpuff\">"</span>, <span class="stringliteral">"<b style=\"background:violet\">"</span>, <span class="stringliteral">"<b style=\"background:mediumpurple\">"</span>,</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"<b style=\"background:palegoldenrod\">"</span>, <span class="stringliteral">"<b style=\"background:darkkhaki\">"</span>, <span class="stringliteral">"<b style=\"background:springgreen\">"</span>,</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="stringliteral">"<b style=\"background:turquoise\">"</span>, <span class="stringliteral">"<b style=\"background:powderblue\">"</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  };</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#abfe38a49e3ac3229ef67ac660ba153e1"> 45</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> String[] COLORED_POST_TAGS = { <span class="stringliteral">"</b>"</span> };</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a336e3b1528cf83d97d3453f37f686e99"> 47</a></span>  <span class="keyword">protected</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html">BaseFragmentsBuilder</a>()</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  : this(new String[] { <span class="stringliteral">"<b>"</span> }, <span class="keyword">new</span> String[] { <span class="stringliteral">"</b>"</span> })</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a24304d8eb97814162cea1b7fbbeebec5"> 53</a></span>  <span class="keyword">protected</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html">BaseFragmentsBuilder</a>(String[] preTags, String[] postTags)</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  this.preTags = preTags;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  this.postTags = postTags;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> Object CheckTagsArgument(Object tags)</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (tags is String) <span class="keywordflow">return</span> tags;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tags is String[]) <span class="keywordflow">return</span> tags;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentException(<span class="stringliteral">"type of preTags/postTags must be a String or String[]"</span>);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> List<WeightedFragInfo> GetWeightedFragInfoList(List<WeightedFragInfo> src);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a981ea69d9dae2d33e366654cd2d89cdd"> 68</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> String CreateFragment(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">int</span> docId, String fieldName, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_field_frag_list.html" title="FieldFragList has a list of "frag info" that is used by FragmentsBuilder class to create fragments (s...">FieldFragList</a> fieldFragList)</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  String[] fragments = CreateFragments(reader, docId, fieldName, fieldFragList, 1);</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (fragments == null || fragments.Length == 0) <span class="keywordflow">return</span> null;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> fragments[0];</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> </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#ac664a26874590d22387cf5fac4e1ce34"> 75</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> String[] CreateFragments(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">int</span> docId, String fieldName, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_field_frag_list.html" title="FieldFragList has a list of "frag info" that is used by FragmentsBuilder class to create fragments (s...">FieldFragList</a> fieldFragList, <span class="keywordtype">int</span> maxNumFragments)</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (maxNumFragments < 0)</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentException(<span class="stringliteral">"maxNumFragments("</span> + maxNumFragments + <span class="stringliteral">") must be positive number."</span>);</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>  List<WeightedFragInfo> fragInfos = GetWeightedFragInfoList(fieldFragList.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_field_frag_list.html#ae6ef20ea617529e4a7d675b1dc7738ff">fragInfos</a>);</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>  List<String> fragments = <span class="keyword">new</span> List<String>(maxNumFragments);</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_field.html" title="A field is a section of a Document. Each field has two parts, a name and a value. Values may be free ...">Field</a>[] values = GetFields(reader, docId, fieldName);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (values.Length == 0) <span class="keywordflow">return</span> null;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  StringBuilder buffer = <span class="keyword">new</span> StringBuilder();</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">int</span>[] nextValueIndex = { 0 };</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> n = 0; n < maxNumFragments && n < fragInfos.Count; n++)</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c">WeightedFragInfo</a> fragInfo = fragInfos[n];</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  fragments.Add(MakeFragment(buffer, nextValueIndex, values, fragInfo));</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> fragments.ToArray();</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> </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  [Obsolete]</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#ae4982f150ad79ed129ce04e5cd71f919"> 96</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String[] GetFieldValues(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">int</span> docId, String fieldName)</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  {</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_document.html" title="Documents are the unit of indexing and search.">Document</a> doc = reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#ae5a8698ada40868908ea27f502337ee2" title="Returns the stored fields of the nth Document in this index. NOTE: for performance reasons...">Document</a>(docId, <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_map_field_selector.html" title="A FieldSelector based on a Map of field names to FieldSelectorResults">MapFieldSelector</a>(<span class="keyword">new</span> String[] { fieldName }));</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> doc.<a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_document.html#a7578d29b3b60af01b43ba38a1bd4417b" title="Returns an array of values of the field specified as the method parameter. This method returns an emp...">GetValues</a>(fieldName); <span class="comment">// according to Document class javadoc, this never returns null</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a6ffc0fdd4c49de75b4deab3ed78903c0"> 102</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_field.html" title="A field is a section of a Document. Each field has two parts, a name and a value. Values may be free ...">Field</a>[] GetFields(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">int</span> docId, String fieldName)</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// according to javadoc, doc.getFields(fieldName) cannot be used with lazy loaded field???</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_document.html" title="Documents are the unit of indexing and search.">Document</a> doc = reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#ae5a8698ada40868908ea27f502337ee2" title="Returns the stored fields of the nth Document in this index. NOTE: for performance reasons...">Document</a>(docId, <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_map_field_selector.html" title="A FieldSelector based on a Map of field names to FieldSelectorResults">MapFieldSelector</a>(<span class="keyword">new</span> String[] { fieldName }));</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> doc.<a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_document.html#ac6494808927ec84c6ae9bda2c815918e" title="Returns a List of all the fields in a document. Note that fields which are not stored are not availab...">GetFields</a>(fieldName); <span class="comment">// according to Document class javadoc, this never returns null</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> </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  [Obsolete]</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#acb55418ffc95fb60a0541ec31bbb98b3"> 110</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String MakeFragment(StringBuilder buffer, <span class="keywordtype">int</span>[] index, String[] values, <a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c">WeightedFragInfo</a> fragInfo)</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">int</span> s = fragInfo.startOffset;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> MakeFragment(fragInfo, GetFragmentSource(buffer, index, values, s, fragInfo.endOffset), s);</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> </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#af8649cf9aa560e9cca780eaa57453535"> 116</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String MakeFragment(StringBuilder buffer, <span class="keywordtype">int</span>[] index, <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_field.html" title="A field is a section of a Document. Each field has two parts, a name and a value. Values may be free ...">Field</a>[] values, <a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c">WeightedFragInfo</a> fragInfo)</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">int</span> s = fragInfo.startOffset;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> MakeFragment(fragInfo, GetFragmentSource(buffer, index, values, s, fragInfo.endOffset), s);</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="keyword">private</span> String MakeFragment(<a class="code" href="_base_fragments_builder_8cs.html#ab288a20d2b23dc203f5900ea8fa0407c">WeightedFragInfo</a> fragInfo, String src, <span class="keywordtype">int</span> s)</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  StringBuilder fragment = <span class="keyword">new</span> StringBuilder();</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">int</span> srcIndex = 0;</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">foreach</span> (<a class="code" href="_base_fragments_builder_8cs.html#a1f635c8c2cfd641dc4ea806f8df5dd9e">SubInfo</a> subInfo <span class="keywordflow">in</span> fragInfo.subInfos)</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">foreach</span> (<a class="code" href="_base_fragments_builder_8cs.html#a102780507b9a4175d77df3cac612813d">Toffs</a> to <span class="keywordflow">in</span> subInfo.termsOffsets)</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>  fragment.Append(src.Substring(srcIndex, to.startOffset - s - srcIndex)).Append(GetPreTag(subInfo.seqnum))</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  .Append(src.Substring(to.startOffset - s, to.endOffset - s - (to.startOffset - s))).Append(GetPostTag(subInfo.seqnum));</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  srcIndex = to.endOffset - s;</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>  }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  fragment.Append(src.Substring(srcIndex));</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> fragment.ToString();</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> </div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> [Obsolete]</span></div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> protected String MakeFragment(StringBuilder buffer, int[] index, String[] values, WeightedFragInfo fragInfo)</span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> {</span></div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> StringBuilder fragment = new StringBuilder();</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> int s = fragInfo.startOffset;</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"> String src = GetFragmentSource(buffer, index, values, s, fragInfo.endOffset);</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> int srcIndex = 0;</span></div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> foreach (SubInfo subInfo in fragInfo.subInfos)</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> {</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> foreach (Toffs to in subInfo.termsOffsets)</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> {</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> fragment.Append(src.Substring(srcIndex, to.startOffset - s - srcIndex)).Append(GetPreTag(subInfo.seqnum))</span></div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> .Append(src.Substring(to.startOffset - s, to.endOffset - s - (to.startOffset - s))).Append(GetPostTag(subInfo.seqnum));</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> srcIndex = to.endOffset - s;</span></div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> fragment.Append(src.Substring(srcIndex));</span></div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> return fragment.ToString();</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> }</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> */</span></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> </div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  [Obsolete]</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a6608acf391a2824196ff9493bb7c6f7c"> 163</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String GetFragmentSource(StringBuilder buffer, <span class="keywordtype">int</span>[] index, String[] values, <span class="keywordtype">int</span> startOffset, <span class="keywordtype">int</span> endOffset)</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">while</span> (buffer.Length < endOffset && index[0] < values.Length)</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  buffer.Append(values[index[0]]);</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (values[index[0]].Length > 0 && index[0] + 1 < values.Length)</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  buffer.Append(<span class="charliteral">' '</span>);</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  index[0]++;</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>  <span class="keywordtype">int</span> eo = buffer.Length < endOffset ? buffer.Length : endOffset;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">return</span> buffer.ToString().Substring(startOffset, eo - startOffset);</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> </div> |
| <div class="line"><a name="l00176"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#aa600e2148a26e4bdde87e9b682b14ab0"> 176</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String GetFragmentSource(StringBuilder buffer, <span class="keywordtype">int</span>[] index, <a class="code" href="class_lucene_1_1_net_1_1_documents_1_1_field.html" title="A field is a section of a Document. Each field has two parts, a name and a value. Values may be free ...">Field</a>[] values, <span class="keywordtype">int</span> startOffset, <span class="keywordtype">int</span> endOffset)</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>  <span class="keywordflow">while</span> (buffer.Length < endOffset && index[0] < values.Length)</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  buffer.Append(values[index[0]].StringValue);</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (values[index[0]].IsTokenized && values[index[0]].StringValue.Length > 0 && index[0] + 1 < values.Length)</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  buffer.Append(<span class="charliteral">' '</span>);</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  index[0]++;</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>  <span class="keywordtype">int</span> eo = buffer.Length < endOffset ? buffer.Length : endOffset;</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> buffer.ToString().Substring(startOffset, eo - startOffset);</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> </div> |
| <div class="line"><a name="l00189"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#a17630ebec8d2b1c10fc2aa40aadd8f0c"> 189</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String GetPreTag(<span class="keywordtype">int</span> num)</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">int</span> n = num % preTags.Length;</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> preTags[n];</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div> |
| <div class="line"><a name="l00195"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_vectorhighlight_1_1_base_fragments_builder.html#acede132a16774d415ec68798b9721e04"> 195</a></span>  <span class="keyword">protected</span> <span class="keyword">virtual</span> String GetPostTag(<span class="keywordtype">int</span> num)</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="keywordtype">int</span> n = num % postTags.Length;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> postTags[n];</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</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> }</div> |
| </div><!-- fragment --></div><!-- contents --> |
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| Generated on Thu Jan 3 2013 02:12:43 for Lucene.Net by  <a href="http://www.doxygen.org/index.html"> |
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| </a> 1.8.3 |
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