225 lines
28 KiB
HTML
225 lines
28 KiB
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<title>remwharead: remwharead::Search Class Reference</title>
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<td id="projectalign" style="padding-left: 0.5em;">
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<div id="projectname">remwharead
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 <span id="projectnumber">0.6.3</span>
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/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
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var searchBox = new SearchBox("searchBox", "search",false,'Search');
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/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
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<ul>
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<li class="navelem"><b>remwharead</b></li><li class="navelem"><a class="el" href="classremwharead_1_1Search.html">Search</a></li> </ul>
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</div>
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</div><!-- top -->
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<div class="header">
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<div class="summary">
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="classremwharead_1_1Search-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">remwharead::Search Class Reference</div> </div>
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<div class="contents">
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<p><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in database entries.
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<a href="classremwharead_1_1Search.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="search_8hpp_source.html">remwharead/search.hpp</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a1f3b35d44c51253318ba47df2d26a9ca"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Search.html#a1f3b35d44c51253318ba47df2d26a9ca">Search</a> (const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">Database::entry</a> > &entries)</td></tr>
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<tr class="memdesc:a1f3b35d44c51253318ba47df2d26a9ca"><td class="mdescLeft"> </td><td class="mdescRight">Defines the entries to search. <a href="#a1f3b35d44c51253318ba47df2d26a9ca">More...</a><br /></td></tr>
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<tr class="separator:a1f3b35d44c51253318ba47df2d26a9ca"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aafbaaed1c49b13b891b724c045fefaeb"><td class="memItemLeft" align="right" valign="top">const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">Database::entry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Search.html#aafbaaed1c49b13b891b724c045fefaeb">search_tags</a> (string expression, const bool is_re) const</td></tr>
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<tr class="memdesc:aafbaaed1c49b13b891b724c045fefaeb"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in tags of database entries. <a href="#aafbaaed1c49b13b891b724c045fefaeb">More...</a><br /></td></tr>
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<tr class="separator:aafbaaed1c49b13b891b724c045fefaeb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afee3d1f4614461d4b8a0f1f99464bcb3"><td class="memItemLeft" align="right" valign="top">const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">Database::entry</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classremwharead_1_1Search.html#afee3d1f4614461d4b8a0f1f99464bcb3">search_all</a> (string expression, const bool is_re) const</td></tr>
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<tr class="memdesc:afee3d1f4614461d4b8a0f1f99464bcb3"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in full text of database entries. <a href="#afee3d1f4614461d4b8a0f1f99464bcb3">More...</a><br /></td></tr>
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<tr class="separator:afee3d1f4614461d4b8a0f1f99464bcb3"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in database entries. </p>
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<dl class="section since"><dt>Since</dt><dd>0.7.0 </dd></dl>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a1f3b35d44c51253318ba47df2d26a9ca"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a1f3b35d44c51253318ba47df2d26a9ca">◆ </a></span>Search()</h2>
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<td class="memname">remwharead::Search::Search </td>
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<td>(</td>
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<td class="paramtype">const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">Database::entry</a> > & </td>
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<td class="paramname"><em>entries</em></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
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<p>Defines the entries to search. </p>
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<dl class="section since"><dt>Since</dt><dd>0.7.0 </dd></dl>
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<div class="fragment"><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  :_entries(entries)</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  {}</div></div><!-- fragment -->
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="afee3d1f4614461d4b8a0f1f99464bcb3"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#afee3d1f4614461d4b8a0f1f99464bcb3">◆ </a></span>search_all()</h2>
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<td class="memname">const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">DB::entry</a> > remwharead::Search::search_all </td>
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<td>(</td>
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<td class="paramtype">string </td>
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<td class="paramname"><em>expression</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const bool </td>
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<td class="paramname"><em>is_re</em> </td>
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<td>)</td>
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<td></td><td> const</td>
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</div><div class="memdoc">
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<p><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in full text of database entries. </p>
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<p>Searches in tags, title, description and full text.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">entries</td><td>Vector of <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry. ">Database::entry</a> to search. </td></tr>
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<tr><td class="paramname">expression</td><td><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> expression. </td></tr>
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<tr><td class="paramname">is_re</td><td>Is it a regular expression?</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Vector of matching <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry. ">Database::entry</a>.</dd></dl>
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<dl class="section since"><dt>Since</dt><dd>0.7.0 </dd></dl>
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<div class="fragment"><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>  vector<vector<string>> searchlist = parse_expression(expression);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  vector<DB::entry> result = <a class="code" href="classremwharead_1_1Search.html#aafbaaed1c49b13b891b724c045fefaeb">search_tags</a>(expression, is_re);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> vector<string> &terms_or : searchlist)</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">DB::entry</a> &entry : _entries)</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="comment">// Add entry to result if all terms in an OR-slice match title,</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">// description or full text.</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">bool</span> matched_title = <span class="keyword">true</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">bool</span> matched_description = <span class="keyword">true</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">bool</span> matched_fulltext = <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>  <span class="keyword">const</span> <span class="keyword">auto</span> it = find(result.begin(), result.end(), entry);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (it != result.end())</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  { <span class="comment">// Skip if already in result list.</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">string</span> &term : terms_or)</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">const</span> <span class="keywordtype">string</span> title = to_lowercase(entry.title);</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">const</span> <span class="keywordtype">string</span> description = to_lowercase(entry.description);</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <span class="keywordtype">string</span> fulltext = to_lowercase(entry.fulltext);</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Set matched_* to false if term is not found.</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> (is_re)</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  {</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> regex re(term);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span>(!regex_search(title, re))</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  matched_title = <span class="keyword">false</span>;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span>(!regex_search(description, re))</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  matched_description = <span class="keyword">false</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>  <span class="keywordflow">if</span>(!regex_search(fulltext, re))</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>  matched_fulltext = <span class="keyword">false</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>  }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (title.find(term) == string::npos)</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  matched_title = <span class="keyword">false</span>;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (description.find(term) == string::npos)</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>  matched_description = <span class="keyword">false</span>;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (fulltext.find(term) == string::npos)</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  {</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  matched_fulltext = <span class="keyword">false</span>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</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="keywordflow">if</span> (matched_title == <span class="keyword">true</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  || matched_description == <span class="keyword">true</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  || matched_fulltext == <span class="keyword">true</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"> 189</span>  result.push_back(entry);</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>  }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</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>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div><div class="ttc" id="classremwharead_1_1Database_html_a5ef85b43b21a900046b9233ee259ae7d"><div class="ttname"><a href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">remwharead::Database::entry</a></div><div class="ttdeci">struct remwharead::Database::entry entry</div><div class="ttdoc">Describes a database entry. </div></div>
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<div class="ttc" id="classremwharead_1_1Search_html_aafbaaed1c49b13b891b724c045fefaeb"><div class="ttname"><a href="classremwharead_1_1Search.html#aafbaaed1c49b13b891b724c045fefaeb">remwharead::Search::search_tags</a></div><div class="ttdeci">const vector< Database::entry > search_tags(string expression, const bool is_re) const</div><div class="ttdoc">Search in tags of database entries. </div><div class="ttdef"><b>Definition:</b> search.cpp:75</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aafbaaed1c49b13b891b724c045fefaeb">◆ </a></span>search_tags()</h2>
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<td class="memname">const vector< <a class="el" href="structremwharead_1_1Database_1_1entry.html">DB::entry</a> > remwharead::Search::search_tags </td>
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<td>(</td>
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<td class="paramtype">string </td>
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<td class="paramname"><em>expression</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const bool </td>
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<td class="paramname"><em>is_re</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> in tags of database entries. </p>
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<p>Only matches whole tags, <em>Pill</em> does not match <em>Pillow</em>.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">expression</td><td><a class="el" href="classremwharead_1_1Search.html" title="Search in database entries. ">Search</a> expression. </td></tr>
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<tr><td class="paramname">is_re</td><td>Is it a regular expression?</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Vector of matching <a class="el" href="structremwharead_1_1Database_1_1entry.html" title="Describes a database entry. ">Database::entry</a>.</dd></dl>
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<dl class="section since"><dt>Since</dt><dd>0.7.0 </dd></dl>
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<div class="fragment"><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  vector<vector<string>> searchlist = parse_expression(expression);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  vector<DB::entry> result;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> vector<string> &tags_or : searchlist)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <a class="code" href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">DB::entry</a> &entry : _entries)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  { <span class="comment">// Add entry to result if all tags in an OR-slice match.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">bool</span> matched = <span class="keyword">true</span>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">string</span> &tag : tags_or)</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>  <span class="keyword">const</span> <span class="keyword">auto</span> it = find_if(</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  entry.tags.begin(), entry.tags.end(),</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  [&, is_re](<span class="keywordtype">string</span> s)</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  s = to_lowercase(s);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (is_re)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> regex re(<span class="stringliteral">"^"</span> + tag + <span class="stringliteral">"$"</span>);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> regex_search(s, re);</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>  <span class="keywordflow">else</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>  <span class="keywordflow">return</span> (s == tag);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  });</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (it == entry.tags.end())</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  matched = <span class="keyword">false</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>  <span class="keywordflow">if</span> (matched == <span class="keyword">true</span>)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  {</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  result.push_back(entry);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</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"> 116</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div><div class="ttc" id="classremwharead_1_1Database_html_a5ef85b43b21a900046b9233ee259ae7d"><div class="ttname"><a href="classremwharead_1_1Database.html#a5ef85b43b21a900046b9233ee259ae7d">remwharead::Database::entry</a></div><div class="ttdeci">struct remwharead::Database::entry entry</div><div class="ttdoc">Describes a database entry. </div></div>
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</div><!-- fragment -->
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>include/<a class="el" href="search_8hpp_source.html">search.hpp</a></li>
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<li>src/lib/search.cpp</li>
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</ul>
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