mirror of
https://github.com/TheAlgorithms/C-Plus-Plus.git
synced 2026-03-21 04:18:34 +08:00
312 lines
39 KiB
HTML
312 lines
39 KiB
HTML
<!-- HTML header for doxygen 1.12.0-->
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
|
|
<meta name="generator" content="Doxygen 1.14.0"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>TheAlgorithms/C++: data_structures/trie_tree.cpp Source File</title>
|
|
<link rel="icon" href="../../favicon.svg" type="image/x-icon" />
|
|
<link href="../../tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../jquery.js"></script>
|
|
<script type="text/javascript" src="../../dynsections.js"></script>
|
|
<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@xpack-3rd-party/doxygen-awesome-css@2.2.0-1/doxygen-awesome-darkmode-toggle.js"></script>
|
|
<script type="text/javascript">
|
|
DoxygenAwesomeDarkModeToggle.init()
|
|
</script>
|
|
<script type="text/javascript" src="../../clipboard.js"></script>
|
|
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../navtreedata.js"></script>
|
|
<script type="text/javascript" src="../../navtree.js"></script>
|
|
<script type="text/javascript" src="../../cookie.js"></script>
|
|
<link href="../../search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="../../search/searchdata.js"></script>
|
|
<script type="text/javascript" src="../../search/search.js"></script>
|
|
<script type="text/javascript">
|
|
window.MathJax = {
|
|
options: {
|
|
ignoreHtmlClass: 'tex2jax_ignore',
|
|
processHtmlClass: 'tex2jax_process'
|
|
},
|
|
loader: {
|
|
load: ['[tex]/ams']
|
|
},
|
|
tex: {
|
|
macros: {},
|
|
packages: ['base','configmacros','ams']
|
|
}
|
|
};
|
|
</script>
|
|
<script type="text/javascript" id="MathJax-script" async="async" src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js"></script>
|
|
<link href="../../doxygen.css" rel="stylesheet" type="text/css" />
|
|
<link href="../../doxygen-awesome.css" rel="stylesheet" type="text/css"/>
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr id="projectrow">
|
|
<td id="projectlogo"><img alt="Logo" src="../../project_logo.png"/></td>
|
|
<td id="projectalign">
|
|
<div id="projectname">TheAlgorithms/C++<span id="projectnumber"> 1.0.0</span>
|
|
</div>
|
|
<div id="projectbrief">All the algorithms implemented in C++</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.14.0 -->
|
|
<script type="text/javascript">
|
|
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
|
|
</script>
|
|
<script type="text/javascript">
|
|
$(function() { codefold.init(); });
|
|
</script>
|
|
<script type="text/javascript" src="../../menudata.js"></script>
|
|
<script type="text/javascript" src="../../menu.js"></script>
|
|
<script type="text/javascript">
|
|
$(function() {
|
|
initMenu('../../',true,false,'search.php','Search',true);
|
|
$(function() { init_search(); });
|
|
});
|
|
</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
$(function(){initNavTree('d7/d83/trie__tree_8cpp_source.html','../../',''); });
|
|
</script>
|
|
<div id="container">
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<div id="MSearchResults">
|
|
<div class="SRPage">
|
|
<div id="SRIndex">
|
|
<div id="SRResults"></div>
|
|
<div class="SRStatus" id="Loading">Loading...</div>
|
|
<div class="SRStatus" id="Searching">Searching...</div>
|
|
<div class="SRStatus" id="NoMatches">No Matches</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle"><div class="title">trie_tree.cpp</div></div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<a href="../../d7/d83/trie__tree_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
|
|
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include <array></span></div>
|
|
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include <cassert></span></div>
|
|
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include <cstdint></span></div>
|
|
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include <iostream></span></div>
|
|
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include <memory></span></div>
|
|
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#include <string></span></div>
|
|
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span></div>
|
|
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d5/d3c/namespacedata__structures.html">data_structures</a> {</div>
|
|
<div class="foldopen" id="foldopen00025" data-start="{" data-end="};">
|
|
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html"> 25</a></span><span class="keyword">class </span><a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a> {</div>
|
|
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191"> 27</a></span> <span class="keyword">static</span> <span class="keyword">constexpr</span> uint8_t <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a> = 26; </div>
|
|
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b"> 29</a></span> std::array<std::shared_ptr<trie>, <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS << 1></a> <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>;</div>
|
|
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6"> 30</a></span> <span class="keywordtype">bool</span> <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a> = <span class="keyword">false</span>; </div>
|
|
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span></div>
|
|
<div class="foldopen" id="foldopen00038" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988"> 38</a></span> uint8_t <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>& ch)<span class="keyword"> const </span>{</div>
|
|
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (ch >= <span class="charliteral">'A'</span> && ch <= <span class="charliteral">'Z'</span>) {</div>
|
|
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> ch - <span class="charliteral">'A'</span>;</div>
|
|
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ch >= <span class="charliteral">'a'</span> && ch <= <span class="charliteral">'z'</span>) {</div>
|
|
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> ch - <span class="charliteral">'a'</span> + <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a>;</div>
|
|
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> }</div>
|
|
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
|
|
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> std::cerr << <span class="stringliteral">"Invalid character present. Exiting..."</span>;</div>
|
|
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> std::exit(EXIT_FAILURE);</div>
|
|
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> }</div>
|
|
</div>
|
|
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span></div>
|
|
<div class="foldopen" id="foldopen00056" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63"> 56</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a961eb5d576d2420f2036009154397c63">search</a>(<span class="keyword">const</span> std::shared_ptr<trie>& root, <span class="keyword">const</span> std::string& str,</div>
|
|
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keywordtype">int</span> index) {</div>
|
|
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keywordflow">if</span> (index == str.length()) {</div>
|
|
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">if</span> (!root->isEndofWord) {</div>
|
|
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
|
|
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> }</div>
|
|
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordtype">int</span> j = <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
|
|
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">if</span> (!root->arr[j]) {</div>
|
|
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</div>
|
|
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../d9/dca/namespacesearch.html">search</a>(root->arr[j], str, index + 1);</div>
|
|
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> }</div>
|
|
</div>
|
|
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
|
|
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keyword">public</span>:</div>
|
|
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8"> 72</a></span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a>() = <span class="keywordflow">default</span>; </div>
|
|
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span></div>
|
|
<div class="foldopen" id="foldopen00077" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a0ab94bc6417e3f59fab33cea5b64d546"> 77</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a0ab94bc6417e3f59fab33cea5b64d546">insert</a>(<span class="keyword">const</span> std::string& str) {</div>
|
|
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> std::shared_ptr<trie> root(<span class="keyword">nullptr</span>);</div>
|
|
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
|
|
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keywordtype">char</span>& ch : str) {</div>
|
|
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordtype">int</span> j = <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(ch);</div>
|
|
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">if</span> (root) {</div>
|
|
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">if</span> (root->arr[j]) {</div>
|
|
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> root = root->arr[j];</div>
|
|
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> std::shared_ptr<trie> temp(<span class="keyword">new</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a>());</div>
|
|
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> root->arr[j] = temp;</div>
|
|
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> root = temp;</div>
|
|
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
|
|
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
|
|
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> root = <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j];</div>
|
|
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> std::shared_ptr<trie> temp(<span class="keyword">new</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a87d8bf99aea936f9381141753f1e90a8">trie</a>());</div>
|
|
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j] = temp;</div>
|
|
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> root = temp;</div>
|
|
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
|
|
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> }</div>
|
|
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> root->isEndofWord = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> }</div>
|
|
</div>
|
|
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span></div>
|
|
<div class="foldopen" id="foldopen00107" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#a499f87fd833203ef9492b4870aa6d42d"> 107</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a499f87fd833203ef9492b4870aa6d42d">search</a>(<span class="keyword">const</span> std::string& str, <span class="keywordtype">int</span> index) {</div>
|
|
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (index == str.length()) {</div>
|
|
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
|
|
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
|
|
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> }</div>
|
|
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">int</span> j = <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
|
|
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
|
|
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <a class="code hl_namespace" href="../../d9/dca/namespacesearch.html">search</a>(<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j], str, index + 1);</div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> }</div>
|
|
</div>
|
|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span></div>
|
|
<div class="foldopen" id="foldopen00134" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab"> 134</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab">deleteString</a>(<span class="keyword">const</span> std::string& str, <span class="keywordtype">int</span> index) {</div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">if</span> (index == str.length()) {</div>
|
|
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
|
|
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> }</div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a> = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// following lines - possible source of error?</span></div>
|
|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// for (int i = 0; i < NUM_CHARS; i++)</span></div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// if (!arr[i])</span></div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">// return false;</span></div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">int</span> j = <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aab373beb3f618b90922528c68797d988">char_to_int</a>(str[index]);</div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (!<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j]) {</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> }</div>
|
|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">bool</span> var = <a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#aeac27cfd397d2dd3f2f519efffafeeab">deleteString</a>(str, index + 1);</div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordflow">if</span> (var) {</div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[j].reset();</div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4cb0f775b5a4bc14a6d39b5c93883eb6">isEndofWord</a>) {</div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> } <span class="keywordflow">else</span> {</div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">int</span> i = 0;</div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">for</span> (i = 0; i < <a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a4bfac4be6ed1a34c7159eddb42469191">NUM_CHARS</a>; i++) {</div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d0/d3e/classdata__structures_1_1trie.html#a362dd78748a1f01ab019e55fd6098a8b">arr</a>[i]) {</div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
|
|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> }</div>
|
|
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
|
|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> }</div>
|
|
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">/* should not return here */</span></div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> std::cout << __func__ << <span class="stringliteral">":"</span> << __LINE__</div>
|
|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> << <span class="stringliteral">"Should not reach this line\n"</span>;</div>
|
|
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> }</div>
|
|
</div>
|
|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span>};</div>
|
|
</div>
|
|
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span>} <span class="comment">// namespace data_structures</span></div>
|
|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span></div>
|
|
<div class="foldopen" id="foldopen00178" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"><a class="line" href="../../d7/d83/trie__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d"> 178</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d7/d83/trie__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>() {</div>
|
|
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <a class="code hl_class" href="../../d0/d3e/classdata__structures_1_1trie.html">data_structures::trie</a> root;</div>
|
|
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> root.<a class="code hl_function" href="../../d0/d3e/classdata__structures_1_1trie.html#a0ab94bc6417e3f59fab33cea5b64d546">insert</a>(<span class="stringliteral">"Hello"</span>);</div>
|
|
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> root.insert(<span class="stringliteral">"World"</span>);</div>
|
|
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> </div>
|
|
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> assert(!root.search(<span class="stringliteral">"hello"</span>, 0));</div>
|
|
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> std::cout << <span class="stringliteral">"hello - "</span> << root.search(<span class="stringliteral">"hello"</span>, 0) << <span class="stringliteral">"\n"</span>;</div>
|
|
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> </div>
|
|
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> assert(root.search(<span class="stringliteral">"Hello"</span>, 0));</div>
|
|
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> std::cout << <span class="stringliteral">"Hello - "</span> << root.search(<span class="stringliteral">"Hello"</span>, 0) << <span class="stringliteral">"\n"</span>;</div>
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
|
|
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> assert(!root.search(<span class="stringliteral">"Word"</span>, 0));</div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> std::cout << <span class="stringliteral">"Word - "</span> << root.search(<span class="stringliteral">"Word"</span>, 0) << <span class="stringliteral">"\n"</span>;</div>
|
|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
|
|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> assert(root.search(<span class="stringliteral">"World"</span>, 0));</div>
|
|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> std::cout << <span class="stringliteral">"World - "</span> << root.search(<span class="stringliteral">"World"</span>, 0) << <span class="stringliteral">"\n"</span>;</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="comment">// Following lines of code give erroneous output</span></div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// root.deleteString("hello", 0);</span></div>
|
|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">// assert(!root.search("hello", 0));</span></div>
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <span class="comment">// std::cout << "hello - " << root.search("world", 0) << "\n";</span></div>
|
|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span>}</div>
|
|
</div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span></div>
|
|
<div class="foldopen" id="foldopen00205" data-start="{" data-end="}">
|
|
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"><a class="line" href="../../d7/d83/trie__tree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 205</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d7/d83/trie__tree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
|
|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_function" href="../../d7/d83/trie__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>();</div>
|
|
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> </div>
|
|
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">return</span> 0;</div>
|
|
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span>}</div>
|
|
</div>
|
|
<div class="ttc" id="aclassdata__structures_1_1trie_html"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html">data_structures::trie</a></div><div class="ttdoc">Trie implementation for small-case English alphabets a-z</div><div class="ttdef"><b>Definition</b> <a href="#l00025">trie_tree.cpp:25</a></div></div>
|
|
<div class="ttc" id="aclassdata__structures_1_1trie_html_a0ab94bc6417e3f59fab33cea5b64d546"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a0ab94bc6417e3f59fab33cea5b64d546">data_structures::trie::insert</a></div><div class="ttdeci">void insert(const std::string &str)</div><div class="ttdef"><b>Definition</b> <a href="#l00077">trie_tree.cpp:77</a></div></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< std::shared_ptr< trie >, NUM_CHARS<< 1 > arr</div><div class="ttdoc">Recursive tree nodes as an array of shared-pointers.</div><div class="ttdef"><b>Definition</b> <a href="#l00029">trie_tree.cpp:29</a></div></div>
|
|
<div class="ttc" id="aclassdata__structures_1_1trie_html_a499f87fd833203ef9492b4870aa6d42d"><div class="ttname"><a href="../../d0/d3e/classdata__structures_1_1trie.html#a499f87fd833203ef9492b4870aa6d42d">data_structures::trie::search</a></div><div class="ttdeci">bool search(const std::string &str, int index)</div><div class="ttdef"><b>Definition</b> <a href="#l00107">trie_tree.cpp:107</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> <a href="#l00027">trie_tree.cpp:27</a></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> <a href="#l00030">trie_tree.cpp:30</a></div></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="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< trie > &root, const std::string &str, int index)</div><div class="ttdef"><b>Definition</b> <a href="#l00056">trie_tree.cpp:56</a></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 &ch) const</div><div class="ttdoc">Convert a character to integer for indexing.</div><div class="ttdef"><b>Definition</b> <a href="#l00038">trie_tree.cpp:38</a></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 &str, int index)</div><div class="ttdef"><b>Definition</b> <a href="#l00134">trie_tree.cpp:134</a></div></div>
|
|
<div class="ttc" id="anamespacedata__structures_html"><div class="ttname"><a href="../../d5/d3c/namespacedata__structures.html">data_structures</a></div><div class="ttdoc">for IO operations</div></div>
|
|
<div class="ttc" id="anamespacesearch_html"><div class="ttname"><a href="../../d9/dca/namespacesearch.html">search</a></div><div class="ttdoc">for std::assert</div><div class="ttdef"><b>Definition</b> <a href="../../df/dd5/binary__search_8cpp_source.html#l00047">binary_search.cpp:47</a></div></div>
|
|
<div class="ttc" id="atrie__tree_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../d7/d83/trie__tree_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Testing function.</div><div class="ttdef"><b>Definition</b> <a href="#l00178">trie_tree.cpp:178</a></div></div>
|
|
<div class="ttc" id="atrie__tree_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d7/d83/trie__tree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdoc">Main function.</div><div class="ttdef"><b>Definition</b> <a href="#l00205">trie_tree.cpp:205</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
</div><!-- container -->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a href="../../dir_2e746e9d06bf2d8ff842208bcc6ebcfc.html">data_structures</a></li><li class="navelem"><a href="../../d7/d83/trie__tree_8cpp.html">trie_tree.cpp</a></li>
|
|
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="../../doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.14.0 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|