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<div class="headertitle"><div class="title">boyer_moore.cpp</div></div>
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<a href="../../d3/db2/boyer__moore_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="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="preprocessor">#include &lt;cassert&gt;</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="preprocessor">#include &lt;climits&gt;</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="preprocessor">#include &lt;cstring&gt;</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="preprocessor">#include &lt;iostream&gt;</span> </div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="preprocessor">#include &lt;string&gt;</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="preprocessor">#include &lt;vector&gt;</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="../../d3/db2/boyer__moore_8cpp.html#a77c872c08612d7b8861ba13bc9881cbd"> 52</a></span><span class="preprocessor">#define APLHABET_SIZE CHAR_MAX </span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="foldopen" id="foldopen00058" data-start="{" data-end="}">
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="../../df/dcb/namespacestrings.html"> 58</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../df/dcb/namespacestrings.html">strings</a> {</div>
<div class="foldopen" id="foldopen00065" data-start="{" data-end="}">
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html"> 65</a></span><span class="keyword">namespace </span>boyer_moore {</div>
<div class="foldopen" id="foldopen00070" data-start="{" data-end="};">
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html"> 70</a></span><span class="keyword">struct </span><a class="code hl_struct" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">pattern</a> {</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> std::string pat;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> std::vector&lt;size_t&gt;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#ae5ca7abf15e939eddc80542131de3645"> 74</a></span> <a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#ae5ca7abf15e939eddc80542131de3645">bad_char</a>; </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> std::vector&lt;size_t&gt;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e"> 78</a></span> <a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e">good_suffix</a>; </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>};</div>
</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="foldopen" id="foldopen00089" data-start="{" data-end="}">
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#aa709cf7fca02b7d3e1888423d5f739a1"> 89</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#aa709cf7fca02b7d3e1888423d5f739a1">init_good_suffix</a>(<span class="keyword">const</span> std::string&amp; str, std::vector&lt;size_t&gt;&amp; arg) {</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> arg.resize(str.size() + 1, 0);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// border_pos[i] - the index of the longest proper suffix of str[i..] which</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="comment">// is also a proper prefix.</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> std::vector&lt;size_t&gt; border_pos(str.size() + 1, 0);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordtype">size_t</span> current_char = str.length();</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> <span class="keywordtype">size_t</span> border_index = str.length() + 1;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> border_pos[current_char] = border_index;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">while</span> (current_char &gt; 0) {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">while</span> (border_index &lt;= str.length() &amp;&amp;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> str[current_char - 1] != str[border_index - 1]) {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span> (arg[border_index] == 0) {</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> arg[border_index] = border_index - current_char;</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> border_index = border_pos[border_index];</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</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> current_char--;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> border_index--;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> border_pos[current_char] = border_index;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordtype">size_t</span> largest_border_index = border_pos[0];</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; str.size(); i++) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keywordflow">if</span> (arg[i] == 0) {</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> arg[i] = largest_border_index;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="comment">// If we go pass the largest border we find the next one as we iterate</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">if</span> (i == largest_border_index) {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> largest_border_index = border_pos[largest_border_index];</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span>}</div>
</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="foldopen" id="foldopen00138" data-start="{" data-end="}">
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a2f6688c9bb3e692297a3aa09cebc1c00"> 138</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a2f6688c9bb3e692297a3aa09cebc1c00">init_bad_char</a>(<span class="keyword">const</span> std::string&amp; str, std::vector&lt;size_t&gt;&amp; arg) {</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> arg.resize(<a class="code hl_define" href="../../d3/db2/boyer__moore_8cpp.html#a77c872c08612d7b8861ba13bc9881cbd">APLHABET_SIZE</a>, str.length());</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; str.length(); i++) {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> arg[str[i]] = str.length() - i - 1;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="foldopen" id="foldopen00153" data-start="{" data-end="}">
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a0b165af1dc341289fd705be4c67728f8"> 153</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a0b165af1dc341289fd705be4c67728f8">init_pattern</a>(<span class="keyword">const</span> std::string&amp; str, <a class="code hl_struct" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">pattern</a>&amp; arg) {</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> arg.pat = str;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a2f6688c9bb3e692297a3aa09cebc1c00">init_bad_char</a>(str, arg.<a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#ae5ca7abf15e939eddc80542131de3645">bad_char</a>);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#aa709cf7fca02b7d3e1888423d5f739a1">init_good_suffix</a>(str, arg.<a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e">good_suffix</a>);</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span>}</div>
</div>
<div class="foldopen" id="foldopen00165" data-start="{" data-end="}">
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a15703b553faed0d28202c10808cf9738"> 165</a></span>std::vector&lt;size_t&gt; <a class="code hl_namespace" href="../../d9/dca/namespacesearch.html">search</a>(<span class="keyword">const</span> std::string&amp; str, <span class="keyword">const</span> <a class="code hl_struct" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">pattern</a>&amp; arg) {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">size_t</span> index_position = arg.pat.size() - 1;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> std::vector&lt;size_t&gt; index_storage;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">while</span> (index_position &lt; str.length()) {</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="keywordtype">size_t</span> index_string = index_position;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">int</span> index_pattern = <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(arg.pat.size()) - 1;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">while</span> (index_pattern &gt;= 0 &amp;&amp;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> str[index_string] == arg.pat[index_pattern]) {</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> --index_pattern;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> --index_string;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> }</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">if</span> (index_pattern &lt; 0) {</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> index_storage.push_back(index_position - arg.pat.length() + 1);</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> index_position += arg.<a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e">good_suffix</a>[0];</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> index_position += std::max(arg.<a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#ae5ca7abf15e939eddc80542131de3645">bad_char</a>[str[index_string]],</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> arg.<a class="code hl_variable" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e">good_suffix</a>[index_pattern + 1]);</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> }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordflow">return</span> index_storage;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span>}</div>
</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="foldopen" id="foldopen00200" data-start="{" data-end="}">
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a"> 200</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a">is_prefix</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* str, <span class="keyword">const</span> <span class="keywordtype">char</span>* pat, <span class="keywordtype">size_t</span> len) {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">if</span> (strlen(str) &lt; len) {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> }</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; len; i++) {</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">if</span> (str[i] != pat[i]) {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span>}</div>
</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span>} <span class="comment">// namespace boyer_moore</span></div>
</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>} <span class="comment">// namespace strings</span></div>
</div>
<div class="foldopen" id="foldopen00220" data-start="{" data-end="}">
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"><a class="line" href="../../d3/db2/boyer__moore_8cpp.html#acb8f69e7901ee7459d98bd4b9dda79d9"> 220</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#acb8f69e7901ee7459d98bd4b9dda79d9">and_test</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* text) {</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> <a class="code hl_struct" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">strings::boyer_moore::pattern</a> ands;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a0b165af1dc341289fd705be4c67728f8">strings::boyer_moore::init_pattern</a>(<span class="stringliteral">&quot;and&quot;</span>, ands);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> std::vector&lt;size_t&gt; indexes = <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a15703b553faed0d28202c10808cf9738">strings::boyer_moore::search</a>(text, ands);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> assert(indexes.size() == 2);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> assert(<a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a">strings::boyer_moore::is_prefix</a>(text + indexes[0], <span class="stringliteral">&quot;and&quot;</span>, 3));</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> assert(<a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a">strings::boyer_moore::is_prefix</a>(text + indexes[1], <span class="stringliteral">&quot;and&quot;</span>, 3));</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>}</div>
</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="foldopen" id="foldopen00235" data-start="{" data-end="}">
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"><a class="line" href="../../d3/db2/boyer__moore_8cpp.html#ac8fac0dd4b19973da103a434143a16d2"> 235</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#ac8fac0dd4b19973da103a434143a16d2">pat_test</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* text) {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <a class="code hl_struct" href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">strings::boyer_moore::pattern</a> pat;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a0b165af1dc341289fd705be4c67728f8">strings::boyer_moore::init_pattern</a>(<span class="stringliteral">&quot;pat&quot;</span>, pat);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> std::vector&lt;size_t&gt; indexes = <a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a15703b553faed0d28202c10808cf9738">strings::boyer_moore::search</a>(text, pat);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> assert(indexes.size() == 6);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; currentIndex : indexes) {</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> assert(<a class="code hl_function" href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a">strings::boyer_moore::is_prefix</a>(text + currentIndex, <span class="stringliteral">&quot;pat&quot;</span>, 3));</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> }</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>}</div>
</div>
<div class="foldopen" id="foldopen00250" data-start="{" data-end="}">
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="../../d3/db2/boyer__moore_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e"> 250</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>() {</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* text =</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="stringliteral">&quot;When pat Mr. and Mrs. pat Dursley woke up on the dull, gray \</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span><span class="stringliteral"> Tuesday our story starts, \</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="stringliteral"> there was nothing about pat the cloudy sky outside to pat suggest that\</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span><span class="stringliteral"> strange and \</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span><span class="stringliteral"> mysterious things would pat soon be happening all pat over the \</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="stringliteral"> country.&quot;</span>;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#acb8f69e7901ee7459d98bd4b9dda79d9">and_test</a>(text);</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#ac8fac0dd4b19973da103a434143a16d2">pat_test</a>(text);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> std::cout &lt;&lt; <span class="stringliteral">&quot;All tests have successfully passed!\n&quot;</span>;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span>}</div>
</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="foldopen" id="foldopen00269" data-start="{" data-end="}">
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="../../d3/db2/boyer__moore_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 269</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <a class="code hl_function" href="../../d3/db2/boyer__moore_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span>}</div>
</div>
<div class="ttc" id="aboyer__moore_8cpp_html_a483bb8ccf42aaf7375a83e91490eda1e"><div class="ttname"><a href="../../d3/db2/boyer__moore_8cpp.html#a483bb8ccf42aaf7375a83e91490eda1e">tests</a></div><div class="ttdeci">static void tests()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> <a href="#l00250">boyer_moore.cpp:250</a></div></div>
<div class="ttc" id="aboyer__moore_8cpp_html_a77c872c08612d7b8861ba13bc9881cbd"><div class="ttname"><a href="../../d3/db2/boyer__moore_8cpp.html#a77c872c08612d7b8861ba13bc9881cbd">APLHABET_SIZE</a></div><div class="ttdeci">#define APLHABET_SIZE</div><div class="ttdoc">number of symbols in the alphabet we use</div><div class="ttdef"><b>Definition</b> <a href="#l00052">boyer_moore.cpp:52</a></div></div>
<div class="ttc" id="aboyer__moore_8cpp_html_ac8fac0dd4b19973da103a434143a16d2"><div class="ttname"><a href="../../d3/db2/boyer__moore_8cpp.html#ac8fac0dd4b19973da103a434143a16d2">pat_test</a></div><div class="ttdeci">void pat_test(const char *text)</div><div class="ttdoc">A test case in which we search for every appearance of the word 'pat'.</div><div class="ttdef"><b>Definition</b> <a href="#l00235">boyer_moore.cpp:235</a></div></div>
<div class="ttc" id="aboyer__moore_8cpp_html_acb8f69e7901ee7459d98bd4b9dda79d9"><div class="ttname"><a href="../../d3/db2/boyer__moore_8cpp.html#acb8f69e7901ee7459d98bd4b9dda79d9">and_test</a></div><div class="ttdeci">void and_test(const char *text)</div><div class="ttdoc">A test case in which we search for every appearance of the word 'and'.</div><div class="ttdef"><b>Definition</b> <a href="#l00220">boyer_moore.cpp:220</a></div></div>
<div class="ttc" id="aboyer__moore_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="../../d3/db2/boyer__moore_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="#l00269">boyer_moore.cpp:269</a></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="anamespacestrings_1_1boyer__moore_html_a056122c8fe8fb0f5fca6428d3f7b5c3a"><div class="ttname"><a href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a056122c8fe8fb0f5fca6428d3f7b5c3a">strings::boyer_moore::is_prefix</a></div><div class="ttdeci">bool is_prefix(const char *str, const char *pat, size_t len)</div><div class="ttdoc">Check if pat is prefix of str.</div><div class="ttdef"><b>Definition</b> <a href="#l00200">boyer_moore.cpp:200</a></div></div>
<div class="ttc" id="anamespacestrings_1_1boyer__moore_html_a0b165af1dc341289fd705be4c67728f8"><div class="ttname"><a href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a0b165af1dc341289fd705be4c67728f8">strings::boyer_moore::init_pattern</a></div><div class="ttdeci">void init_pattern(const std::string &amp;str, pattern &amp;arg)</div><div class="ttdoc">A function that initializes pattern.</div><div class="ttdef"><b>Definition</b> <a href="#l00153">boyer_moore.cpp:153</a></div></div>
<div class="ttc" id="anamespacestrings_1_1boyer__moore_html_a15703b553faed0d28202c10808cf9738"><div class="ttname"><a href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a15703b553faed0d28202c10808cf9738">strings::boyer_moore::search</a></div><div class="ttdeci">std::vector&lt; size_t &gt; search(const std::string &amp;str, const pattern &amp;arg)</div><div class="ttdoc">A function that implements Boyer-Moore's algorithm.</div><div class="ttdef"><b>Definition</b> <a href="#l00165">boyer_moore.cpp:165</a></div></div>
<div class="ttc" id="anamespacestrings_1_1boyer__moore_html_a2f6688c9bb3e692297a3aa09cebc1c00"><div class="ttname"><a href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#a2f6688c9bb3e692297a3aa09cebc1c00">strings::boyer_moore::init_bad_char</a></div><div class="ttdeci">void init_bad_char(const std::string &amp;str, std::vector&lt; size_t &gt; &amp;arg)</div><div class="ttdoc">A function that preprocess the bad char table.</div><div class="ttdef"><b>Definition</b> <a href="#l00138">boyer_moore.cpp:138</a></div></div>
<div class="ttc" id="anamespacestrings_1_1boyer__moore_html_aa709cf7fca02b7d3e1888423d5f739a1"><div class="ttname"><a href="../../d0/dbc/namespacestrings_1_1boyer__moore.html#aa709cf7fca02b7d3e1888423d5f739a1">strings::boyer_moore::init_good_suffix</a></div><div class="ttdeci">void init_good_suffix(const std::string &amp;str, std::vector&lt; size_t &gt; &amp;arg)</div><div class="ttdoc">A function that preprocess the good suffix thable.</div><div class="ttdef"><b>Definition</b> <a href="#l00089">boyer_moore.cpp:89</a></div></div>
<div class="ttc" id="anamespacestrings_html"><div class="ttname"><a href="../../df/dcb/namespacestrings.html">strings</a></div><div class="ttdoc">String algorithms.</div><div class="ttdef"><b>Definition</b> <a href="#l00058">boyer_moore.cpp:58</a></div></div>
<div class="ttc" id="astructstrings_1_1boyer__moore_1_1pattern_html"><div class="ttname"><a href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html">strings::boyer_moore::pattern</a></div><div class="ttdoc">A structure representing all the data we need to search the preprocessed pattern in text.</div><div class="ttdef"><b>Definition</b> <a href="#l00070">boyer_moore.cpp:70</a></div></div>
<div class="ttc" id="astructstrings_1_1boyer__moore_1_1pattern_html_a3d62f615a0171a5d77e7018f704f3a7e"><div class="ttname"><a href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#a3d62f615a0171a5d77e7018f704f3a7e">strings::boyer_moore::pattern::good_suffix</a></div><div class="ttdeci">std::vector&lt; size_t &gt; good_suffix</div><div class="ttdef"><b>Definition</b> <a href="#l00078">boyer_moore.cpp:78</a></div></div>
<div class="ttc" id="astructstrings_1_1boyer__moore_1_1pattern_html_ae5ca7abf15e939eddc80542131de3645"><div class="ttname"><a href="../../dd/d5a/structstrings_1_1boyer__moore_1_1pattern.html#ae5ca7abf15e939eddc80542131de3645">strings::boyer_moore::pattern::bad_char</a></div><div class="ttdeci">std::vector&lt; size_t &gt; bad_char</div><div class="ttdef"><b>Definition</b> <a href="#l00074">boyer_moore.cpp:74</a></div></div>
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