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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p><a href="https://en.wikipedia.org/wiki/Trie">Trie</a> implementation for small-case English alphabets <code>a-z</code>
<a href="../../d0/d3e/classdata__structures_1_1trie.html#details">More...</a></p>
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Public Member Functions</h2></td></tr>
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&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a> ()=default</td></tr>
<tr class="memdesc:a87d8bf99aea936f9381141753f1e90a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Class default constructor. <br /></td></tr>
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<tr class="memitem:a0ab94bc6417e3f59fab33cea5b64d546"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a0ab94bc6417e3f59fab33cea5b64d546">insert</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;str)</td></tr>
<tr class="separator:a0ab94bc6417e3f59fab33cea5b64d546"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a499f87fd833203ef9492b4870aa6d42d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a499f87fd833203ef9492b4870aa6d42d">search</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;str, int index)</td></tr>
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<tr class="memitem:aeac27cfd397d2dd3f2f519efffafeeab"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab">deleteString</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;str, int index)</td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:aab373beb3f618b90922528c68797d988"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a> (const char &amp;ch) const</td></tr>
<tr class="memdesc:aab373beb3f618b90922528c68797d988"><td class="mdescLeft">&#160;</td><td class="mdescRight">Convert a character to integer for indexing. <a href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">More...</a><br /></td></tr>
<tr class="separator:aab373beb3f618b90922528c68797d988"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a961eb5d576d2420f2036009154397c63"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63">search</a> (const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html">trie</a> &gt; &amp;root, const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;str, int index)</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a362dd78748a1f01ab019e55fd6098a8b"><td class="memItemLeft" align="right" valign="top"><a id="a362dd78748a1f01ab019e55fd6098a8b"></a>
<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/array.html">std::array</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html">trie</a> &gt;, <a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a>&lt;&lt; 1 &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a></td></tr>
<tr class="memdesc:a362dd78748a1f01ab019e55fd6098a8b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Recursive tree nodes as an array of shared-pointers. <br /></td></tr>
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<tr class="memitem:a4cb0f775b5a4bc14a6d39b5c93883eb6"><td class="memItemLeft" align="right" valign="top"><a id="a4cb0f775b5a4bc14a6d39b5c93883eb6"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a> = false</td></tr>
<tr class="memdesc:a4cb0f775b5a4bc14a6d39b5c93883eb6"><td class="mdescLeft">&#160;</td><td class="mdescRight">identifier if a node is terminal node <br /></td></tr>
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Static Private Attributes</h2></td></tr>
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static constexpr uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a> = 26</td></tr>
<tr class="memdesc:a4bfac4be6ed1a34c7159eddb42469191"><td class="mdescLeft">&#160;</td><td class="mdescRight">Number of alphabets. <br /></td></tr>
<tr class="separator:a4bfac4be6ed1a34c7159eddb42469191"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a href="https://en.wikipedia.org/wiki/Trie">Trie</a> implementation for small-case English alphabets <code>a-z</code> </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="aab373beb3f618b90922528c68797d988"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aab373beb3f618b90922528c68797d988">&#9670;&nbsp;</a></span>char_to_int()</h2>
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<td class="memname">uint8_t data_structures::trie::char_to_int </td>
<td>(</td>
<td class="paramtype">const char &amp;&#160;</td>
<td class="paramname"><em>ch</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
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<p>Convert a character to integer for indexing. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ch</td><td>character to index </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>unsigned integer index </dd></dl>
<div class="fragment"><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">if</span> (ch &gt;= <span class="charliteral">&#39;A&#39;</span> &amp;&amp; ch &lt;= <span class="charliteral">&#39;Z&#39;</span>) {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keywordflow">return</span> ch - <span class="charliteral">&#39;A&#39;</span>;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ch &gt;= <span class="charliteral">&#39;a&#39;</span> &amp;&amp; ch &lt;= <span class="charliteral">&#39;z&#39;</span>) {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">return</span> ch - <span class="charliteral">&#39;a&#39;</span> + <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a> &lt;&lt; <span class="stringliteral">&quot;Invalid character present. Exiting...&quot;</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/utility/program/exit.html">std::exit</a>(EXIT_FAILURE);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; }</div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cerr</a></div></div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_a4bfac4be6ed1a34c7159eddb42469191"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">data_structures::trie::NUM_CHARS</a></div><div class="ttdeci">static constexpr uint8_t NUM_CHARS</div><div class="ttdoc">Number of alphabets.</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:27</div></div>
<div class="ttc" id="aexit_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/program/exit.html">std::exit</a></div><div class="ttdeci">T exit(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aeac27cfd397d2dd3f2f519efffafeeab">&#9670;&nbsp;</a></span>deleteString()</h2>
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<td class="memname">bool data_structures::trie::deleteString </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;&#160;</td>
<td class="paramname"><em>str</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>index</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>removes the string if it is not a prefix of any other string, if it is then just sets the ::data_structure::trie::isEndofWord to false, else removes the given string </p><dl class="section note"><dt>Note</dt><dd>the function ::data_structure::trie::deleteString might be erroneous </dd></dl>
<dl class="todo"><dt><b><a class="el" href="../../dd/da0/todo.html#_todo000004">Todo:</a></b></dt><dd>review the function ::data_structure::trie::deleteString and the commented lines </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>string to remove </td></tr>
<tr><td class="paramname">index</td><td>index to remove from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if successful </dd>
<dd>
<code>false</code> if unsuccessful </dd></dl>
<div class="fragment"><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">if</span> (index == str.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>()) {</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="comment">// following lines - possible source of error?</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="comment">// for (int i = 0; i &lt; NUM_CHARS; i++)</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="comment">// if (!arr[i])</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="comment">// return false;</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordtype">int</span> j = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordtype">bool</span> var = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab">deleteString</a>(str, index + 1);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">if</span> (var) {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j].reset();</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordtype">int</span> i = 0;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">for</span> (i = 0; i &lt; <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a>; i++) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[i]) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="comment">/* should not return here */</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; __func__ &lt;&lt; <span class="stringliteral">&quot;:&quot;</span> &lt;&lt; __LINE__</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; &lt;&lt; <span class="stringliteral">&quot;Should not reach this line\n&quot;</span>;</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_a362dd78748a1f01ab019e55fd6098a8b"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">data_structures::trie::arr</a></div><div class="ttdeci">std::array&lt; std::shared_ptr&lt; trie &gt;, NUM_CHARS&lt;&lt; 1 &gt; arr</div><div class="ttdoc">Recursive tree nodes as an array of shared-pointers.</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:29</div></div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_a4cb0f775b5a4bc14a6d39b5c93883eb6"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">data_structures::trie::isEndofWord</a></div><div class="ttdeci">bool isEndofWord</div><div class="ttdoc">identifier if a node is terminal node</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:30</div></div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_aab373beb3f618b90922528c68797d988"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">data_structures::trie::char_to_int</a></div><div class="ttdeci">uint8_t char_to_int(const char &amp;ch) const</div><div class="ttdoc">Convert a character to integer for indexing.</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:38</div></div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_aeac27cfd397d2dd3f2f519efffafeeab"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab">data_structures::trie::deleteString</a></div><div class="ttdeci">bool deleteString(const std::string &amp;str, int index)</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:134</div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">std::string::length</a></div><div class="ttdeci">T length(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a0ab94bc6417e3f59fab33cea5b64d546">&#9670;&nbsp;</a></span>insert()</h2>
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<td class="memname">void data_structures::trie::insert </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;&#160;</td>
<td class="paramname"><em>str</em></td><td>)</td>
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<p>insert string into the trie </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>String to insert in the tree </td></tr>
</table>
</dd>
</dl>
<div class="fragment"><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;trie&gt;</a> root(<span class="keyword">nullptr</span>);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span>&amp; ch : str) {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keywordtype">int</span> j = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(ch);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">if</span> (root) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">if</span> (root-&gt;arr[j]) {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; root = root-&gt;arr[j];</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;trie&gt;</a> temp(<span class="keyword">new</span> <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a>());</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; root-&gt;arr[j] = temp;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; root = temp;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; root = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j];</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;trie&gt;</a> temp(<span class="keyword">new</span> <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a>());</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j] = temp;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; root = temp;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; root-&gt;isEndofWord = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_a87d8bf99aea936f9381141753f1e90a8"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">data_structures::trie::trie</a></div><div class="ttdeci">trie()=default</div><div class="ttdoc">Class default constructor.</div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a961eb5d576d2420f2036009154397c63">&#9670;&nbsp;</a></span>search() <span class="overload">[1/2]</span></h2>
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<td class="memname">bool data_structures::trie::search </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a>&lt; <a class="el" href="../../d0/d3e/classdata__structures_1_1trie.html">trie</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;&#160;</td>
<td class="paramname"><em>str</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>index</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
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<p>search a string exists inside a given root trie </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>string to search for </td></tr>
<tr><td class="paramname">index</td><td>start index to search from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if found </dd>
<dd>
<code>false</code> if not found </dd></dl>
<div class="fragment"><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; {</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordflow">if</span> (index == str.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>()) {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">if</span> (!root-&gt;isEndofWord) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordtype">int</span> j = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">if</span> (!root-&gt;arr[j]) {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63">search</a>(root-&gt;arr[j], str, index + 1);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; }</div>
<div class="ttc" id="aclassdata__structures_1_1trie_html_a961eb5d576d2420f2036009154397c63"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63">data_structures::trie::search</a></div><div class="ttdeci">bool search(const std::shared_ptr&lt; trie &gt; &amp;root, const std::string &amp;str, int index)</div><div class="ttdef"><b>Definition:</b> trie_tree.cpp:56</div></div>
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<td class="memname">bool data_structures::trie::search </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> &amp;&#160;</td>
<td class="paramname"><em>str</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>index</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>search a string exists inside the trie </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>string to search for </td></tr>
<tr><td class="paramname">index</td><td>start index to search from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> if found </dd>
<dd>
<code>false</code> if not found </dd></dl>
<div class="fragment"><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">if</span> (index == str.<a class="codeRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>()) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordtype">int</span> j = <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">if</span> (!<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; }</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">return</span> <a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63">search</a>(<a class="code" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j], str, index + 1);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; }</div>
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