backup/C-Plus-Plus
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/C-Plus-Plus.git synced 2026-03-21 20:31:43 +08:00
Code Issues Projects Releases Wiki Activity
Files
dc4d3f29654bd001fffbc567faef3d09754da9e1
C-Plus-Plus/dc/d14/wildcard__matching_8cpp.html
github-actions 29158cf9a8 Documentation for ff80be4b0a
2023-06-16 21:35:33 +00:00

410 lines
34 KiB
HTML
Raw Blame History

<!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 1.9.7"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Algorithms_in_C++: backtracking/wildcard_matching.cpp File Reference</title>
<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>
<link href="../../navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="../../resize.js"></script>
<script type="text/javascript" src="../../navtreedata.js"></script>
<script type="text/javascript" src="../../navtree.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/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js", "TeX/AMSmath.js", "TeX/AMSsymbols.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script>
<script type="text/javascript" async="async" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML/MathJax.js"></script>
<link href="../../doxygen.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="projectalign">
<div id="projectname">Algorithms_in_C++<span id="projectnumber">&#160;1.0.0</span>
</div>
<div id="projectbrief">Set of algorithms implemented in C++.</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.7 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "../../search/",'.html');
/* @license-end */
</script>
<script type="text/javascript" src="../../menudata.js"></script>
<script type="text/javascript" src="../../menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('../../',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</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">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function(){initNavTree('dc/d14/wildcard__matching_8cpp.html','../../'); initResizable(); });
/* @license-end */
</script>
<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="summary">
<a href="#namespaces">Namespaces</a> &#124;
<a href="#func-members">Functions</a> &#124;
<a href="#var-members">Variables</a> </div>
<div class="headertitle"><div class="title">wildcard_matching.cpp File Reference</div></div>
</div><!--header-->
<div class="contents">
<p>Implementation of the <a href="https://www.geeksforgeeks.org/wildcard-pattern-matching/" target="_blank">Wildcard Matching</a> problem.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;cassert&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for wildcard_matching.cpp:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../df/d92/wildcard__matching_8cpp__incl.svg" width="252" height="126"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
</div><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="namespaces" name="namespaces"></a>
Namespaces</h2></td></tr>
<tr class="memitem:db/dc0/namespacebacktracking"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/dc0/namespacebacktracking.html">backtracking</a></td></tr>
<tr class="memdesc:db/dc0/namespacebacktracking"><td class="mdescLeft">&#160;</td><td class="mdescRight">for vector container <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:db/d03/namespacewildcard__matching"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a></td></tr>
<tr class="memdesc:db/d03/namespacewildcard__matching"><td class="mdescLeft">&#160;</td><td class="mdescRight">Functions for the <a href="https://www.geeksforgeeks.org/wildcard-pattern-matching/" target="_blank">Wildcard Matching</a> problem. <br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a182d0f016b34e40f86be8d6df05dc9ac"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html#a182d0f016b34e40f86be8d6df05dc9ac">backtracking::wildcard_matching::wildcard_matching</a> (<a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> s, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> p, uint32_t pos1, uint32_t pos2)</td></tr>
<tr class="separator:a182d0f016b34e40f86be8d6df05dc9ac"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Self-test implementations. <br /></td></tr>
<tr class="separator:aa8dca7b867074164d5f45b0f3851269d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Main function. <br /></td></tr>
<tr class="separator:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="var-members" name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:a4a5b107f93db24e424b12899fa692c5a"><td class="memItemLeft" align="right" valign="top"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">backtracking::wildcard_matching::dpTable</a> (1000, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt;(1000, -1))</td></tr>
<tr class="memdesc:a4a5b107f93db24e424b12899fa692c5a"><td class="mdescLeft">&#160;</td><td class="mdescRight">The main function implements if pattern can be matched with given string. <br /></td></tr>
<tr class="separator:a4a5b107f93db24e424b12899fa692c5a"><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>Implementation of the <a href="https://www.geeksforgeeks.org/wildcard-pattern-matching/" target="_blank">Wildcard Matching</a> problem. </p>
<p>Given a matching string and a pattern, implement wildcard pattern matching with support for <code>?</code> and <code>*</code>. <code>?</code> matches any single character. <code>*</code> matches any sequence of characters (including the empty sequence). The matching should cover the entire matching string (not partial). The task is to determine if the pattern matches with the matching string </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/Swastyy" target="_blank">Swastika Gupta</a> </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Main function. </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 152</span> {</div>
<div class="line"><span class="lineno"> 153</span> <a class="code hl_function" href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><span class="lineno"> 154</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 155</span>}</div>
<div class="ttc" id="awildcard__matching_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="../../dc/d14/wildcard__matching_8cpp.html#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> wildcard_matching.cpp:101</div></div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../dc/d14/wildcard__matching_8cpp_ae66f6b31b5ad750f1fe042a706a4e3d4_cgraph.svg" width="271" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
</div>
</div>
<a id="aa8dca7b867074164d5f45b0f3851269d" name="aa8dca7b867074164d5f45b0f3851269d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa8dca7b867074164d5f45b0f3851269d">&#9670;&#160;</a></span>test()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static void test </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Self-test implementations. </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<div class="fragment"><div class="line"><span class="lineno"> 101</span> {</div>
<div class="line"><span class="lineno"> 102</span> <span class="comment">// 1st test</span></div>
<div class="line"><span class="lineno"> 103</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;1st test &quot;</span>;</div>
<div class="line"><span class="lineno"> 104</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> matching1 = <span class="stringliteral">&quot;baaabab&quot;</span>;</div>
<div class="line"><span class="lineno"> 105</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> pattern1 = <span class="stringliteral">&quot;*****ba*****ab&quot;</span>;</div>
<div class="line"><span class="lineno"> 106</span> assert(backtracking::wildcard_matching::wildcard_matching(matching1,</div>
<div class="line"><span class="lineno"> 107</span> pattern1, 0, 0) ==</div>
<div class="line"><span class="lineno"> 108</span> 1); <span class="comment">// here the pattern matches with given string</span></div>
<div class="line"><span class="lineno"> 109</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 110</span> </div>
<div class="line"><span class="lineno"> 111</span> <span class="comment">// 2nd test</span></div>
<div class="line"><span class="lineno"> 112</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;2nd test &quot;</span>;</div>
<div class="line"><span class="lineno"> 113</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> matching2 = <span class="stringliteral">&quot;baaabab&quot;</span>;</div>
<div class="line"><span class="lineno"> 114</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> pattern2 = <span class="stringliteral">&quot;ba*****ab&quot;</span>;</div>
<div class="line"><span class="lineno"> 115</span> assert(backtracking::wildcard_matching::wildcard_matching(matching2,</div>
<div class="line"><span class="lineno"> 116</span> pattern2, 0, 0) ==</div>
<div class="line"><span class="lineno"> 117</span> 1); <span class="comment">// here the pattern matches with given string</span></div>
<div class="line"><span class="lineno"> 118</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 119</span> </div>
<div class="line"><span class="lineno"> 120</span> <span class="comment">// 3rd test</span></div>
<div class="line"><span class="lineno"> 121</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;3rd test &quot;</span>;</div>
<div class="line"><span class="lineno"> 122</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> matching3 = <span class="stringliteral">&quot;baaabab&quot;</span>;</div>
<div class="line"><span class="lineno"> 123</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> pattern3 = <span class="stringliteral">&quot;ba*ab&quot;</span>;</div>
<div class="line"><span class="lineno"> 124</span> assert(backtracking::wildcard_matching::wildcard_matching(matching3,</div>
<div class="line"><span class="lineno"> 125</span> pattern3, 0, 0) ==</div>
<div class="line"><span class="lineno"> 126</span> 1); <span class="comment">// here the pattern matches with given string</span></div>
<div class="line"><span class="lineno"> 127</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 128</span> </div>
<div class="line"><span class="lineno"> 129</span> <span class="comment">// 4th test</span></div>
<div class="line"><span class="lineno"> 130</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;4th test &quot;</span>;</div>
<div class="line"><span class="lineno"> 131</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> matching4 = <span class="stringliteral">&quot;baaabab&quot;</span>;</div>
<div class="line"><span class="lineno"> 132</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> pattern4 = <span class="stringliteral">&quot;a*ab&quot;</span>;</div>
<div class="line"><span class="lineno"> 133</span> assert(backtracking::wildcard_matching::wildcard_matching(matching4,</div>
<div class="line"><span class="lineno"> 134</span> pattern4, 0, 0) ==</div>
<div class="line"><span class="lineno"> 135</span> 1); <span class="comment">// here the pattern matches with given string</span></div>
<div class="line"><span class="lineno"> 136</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 137</span> </div>
<div class="line"><span class="lineno"> 138</span> <span class="comment">// 5th test</span></div>
<div class="line"><span class="lineno"> 139</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;5th test &quot;</span>;</div>
<div class="line"><span class="lineno"> 140</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> matching5 = <span class="stringliteral">&quot;baaabab&quot;</span>;</div>
<div class="line"><span class="lineno"> 141</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a> pattern5 = <span class="stringliteral">&quot;aa?ab&quot;</span>;</div>
<div class="line"><span class="lineno"> 142</span> assert(backtracking::wildcard_matching::wildcard_matching(matching5,</div>
<div class="line"><span class="lineno"> 143</span> pattern5, 0, 0) ==</div>
<div class="line"><span class="lineno"> 144</span> 1); <span class="comment">// here the pattern matches with given string</span></div>
<div class="line"><span class="lineno"> 145</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;passed&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 146</span>}</div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
<div class="ttc" id="abasic_string_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a></div></div>
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
</div><!-- fragment --><div class="dynheader">
Here is the call graph for this function:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="../../dc/d14/wildcard__matching_8cpp_aa8dca7b867074164d5f45b0f3851269d_cgraph.svg" width="174" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
</div>
</div>
</div>
<a id="a182d0f016b34e40f86be8d6df05dc9ac" name="a182d0f016b34e40f86be8d6df05dc9ac"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a182d0f016b34e40f86be8d6df05dc9ac">&#9670;&#160;</a></span>wildcard_matching()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool backtracking::wildcard_matching::wildcard_matching </td>
<td>(</td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>&#160;</td>
<td class="paramname"><em>s</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>&#160;</td>
<td class="paramname"><em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>pos1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>pos2</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<div class="fragment"><div class="line"><span class="lineno"> 40</span> {</div>
<div class="line"><span class="lineno"> 41</span> uint32_t n = s.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>();</div>
<div class="line"><span class="lineno"> 42</span> uint32_t m = p.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string/size.html">length</a>();</div>
<div class="line"><span class="lineno"> 43</span> <span class="comment">// matching is successfull if both strings are done</span></div>
<div class="line"><span class="lineno"> 44</span> <span class="keywordflow">if</span> (pos1 == n &amp;&amp; pos2 == m) {</div>
<div class="line"><span class="lineno"> 45</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><span class="lineno"> 46</span> }</div>
<div class="line"><span class="lineno"> 47</span> </div>
<div class="line"><span class="lineno"> 48</span> <span class="comment">// matching is unsuccessfull if pattern is not finished but matching string</span></div>
<div class="line"><span class="lineno"> 49</span> <span class="comment">// is</span></div>
<div class="line"><span class="lineno"> 50</span> <span class="keywordflow">if</span> (pos1 != n &amp;&amp; pos2 == m) {</div>
<div class="line"><span class="lineno"> 51</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><span class="lineno"> 52</span> }</div>
<div class="line"><span class="lineno"> 53</span> </div>
<div class="line"><span class="lineno"> 54</span> <span class="comment">// all the remaining characters of patterns must be * inorder to match with</span></div>
<div class="line"><span class="lineno"> 55</span> <span class="comment">// finished string</span></div>
<div class="line"><span class="lineno"> 56</span> <span class="keywordflow">if</span> (pos1 == n &amp;&amp; pos2 != m) {</div>
<div class="line"><span class="lineno"> 57</span> <span class="keywordflow">while</span> (pos2 &lt; m &amp;&amp; p[pos2] == <span class="charliteral">&#39;*&#39;</span>) {</div>
<div class="line"><span class="lineno"> 58</span> pos2++;</div>
<div class="line"><span class="lineno"> 59</span> }</div>
<div class="line"><span class="lineno"> 60</span> </div>
<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">return</span> pos2 == m;</div>
<div class="line"><span class="lineno"> 62</span> }</div>
<div class="line"><span class="lineno"> 63</span> </div>
<div class="line"><span class="lineno"> 64</span> <span class="comment">// if already calculted for these positions</span></div>
<div class="line"><span class="lineno"> 65</span> <span class="keywordflow">if</span> (dpTable[pos1][pos2] != -1) {</div>
<div class="line"><span class="lineno"> 66</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">dpTable</a>[pos1][pos2];</div>
<div class="line"><span class="lineno"> 67</span> }</div>
<div class="line"><span class="lineno"> 68</span> </div>
<div class="line"><span class="lineno"> 69</span> <span class="comment">// if the characters are same just go ahead in both the string</span></div>
<div class="line"><span class="lineno"> 70</span> <span class="keywordflow">if</span> (s[pos1] == p[pos2]) {</div>
<div class="line"><span class="lineno"> 71</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">dpTable</a>[pos1][pos2] =</div>
<div class="line"><span class="lineno"> 72</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><span class="lineno"> 73</span> }</div>
<div class="line"><span class="lineno"> 74</span> </div>
<div class="line"><span class="lineno"> 75</span> <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 76</span> <span class="comment">// can only single character</span></div>
<div class="line"><span class="lineno"> 77</span> <span class="keywordflow">if</span> (p[pos2] == <span class="charliteral">&#39;?&#39;</span>) {</div>
<div class="line"><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">dpTable</a>[pos1][pos2] =</div>
<div class="line"><span class="lineno"> 79</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2 + 1);</div>
<div class="line"><span class="lineno"> 80</span> }</div>
<div class="line"><span class="lineno"> 81</span> <span class="comment">// have choice either to match one or more charcters</span></div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (p[pos2] == <span class="charliteral">&#39;*&#39;</span>) {</div>
<div class="line"><span class="lineno"> 83</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">dpTable</a>[pos1][pos2] =</div>
<div class="line"><span class="lineno"> 84</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1, pos2 + 1) ||</div>
<div class="line"><span class="lineno"> 85</span> <a class="code hl_namespace" href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a>(s, p, pos1 + 1, pos2);</div>
<div class="line"><span class="lineno"> 86</span> }</div>
<div class="line"><span class="lineno"> 87</span> <span class="comment">// not possible to match</span></div>
<div class="line"><span class="lineno"> 88</span> <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 89</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">dpTable</a>[pos1][pos2] = 0;</div>
<div class="line"><span class="lineno"> 90</span> }</div>
<div class="line"><span class="lineno"> 91</span> }</div>
<div class="line"><span class="lineno"> 92</span>}</div>
<div class="ttc" id="anamespacewildcard__matching_html"><div class="ttname"><a href="../../db/d03/namespacewildcard__matching.html">wildcard_matching</a></div><div class="ttdoc">Functions for the Wildcard Matching problem.</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>
<div class="ttc" id="awildcard__matching_8cpp_html_a4a5b107f93db24e424b12899fa692c5a"><div class="ttname"><a href="../../dc/d14/wildcard__matching_8cpp.html#a4a5b107f93db24e424b12899fa692c5a">backtracking::wildcard_matching::dpTable</a></div><div class="ttdeci">std::vector&lt; std::vector&lt; int64_t &gt; &gt; dpTable(1000, std::vector&lt; int64_t &gt;(1000, -1))</div><div class="ttdoc">The main function implements if pattern can be matched with given string.</div></div>
</div><!-- fragment -->
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a id="a4a5b107f93db24e424b12899fa692c5a" name="a4a5b107f93db24e424b12899fa692c5a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4a5b107f93db24e424b12899fa692c5a">&#9670;&#160;</a></span>dpTable</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt; &gt; backtracking::wildcard_matching::dpTable(1000, <a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt;(1000, -1)) </td>
<td>(</td>
<td class="paramtype">1000&#160;</td>
<td class="paramname">, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="elRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a>&lt; int64_t &gt;&#160;</td>
<td class="paramname">1000, -1&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The main function implements if pattern can be matched with given string. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>is the given matching string </td></tr>
<tr><td class="paramname">p</td><td>is the given pattern </td></tr>
<tr><td class="paramname">pos1</td><td>is the starting index </td></tr>
<tr><td class="paramname">pos2</td><td>is the last index </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>1 if pattern matches with matching string otherwise 0 </dd></dl>
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="../../dir_c11585dfcef32a26e29098facab6c144.html">backtracking</a></li><li class="navelem"><a class="el" href="../../dc/d14/wildcard__matching_8cpp.html">wildcard_matching.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> 1.9.7 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink