<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.3"/> <title>libstdc++: regex_grep_matcher.h Source File</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="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </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 style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libstdc++ </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.3 --> </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"> $(document).ready(function(){initNavTree('a01415_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">regex_grep_matcher.h</div> </div> </div><!--header--> <div class="contents"> <a href="a01415.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// class template regex -*- C++ -*-</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2010, 2011 Free Software Foundation, Inc.</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/**</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @file bits/regex_grep_matcher.h</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Do not attempt to use it directly. @headername{regex}</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>std _GLIBCXX_VISIBILITY(default)</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _BiIter></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>sub_match;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _Bi_iter, <span class="keyword">typename</span> _Allocator></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>match_results;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> _GLIBCXX_END_NAMESPACE_VERSION</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>__regex</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// A _Results facade specialized for wrapping a templated match_results.</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _FwdIterT, <span class="keyword">typename</span> _Alloc></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">class </span>_SpecializedResults</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  : <span class="keyword">public</span> _Results</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  _SpecializedResults(<span class="keyword">const</span> _Automaton::_SizeT __size,</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> _SpecializedCursor<_FwdIterT>& __cursor,</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  match_results<_FwdIterT, _Alloc>& __m);</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  _M_set_pos(<span class="keywordtype">int</span> __i, <span class="keywordtype">int</span> __j, <span class="keyword">const</span> _PatternCursor& __pc);</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span></div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  _M_set_matched(<span class="keywordtype">int</span> __i, <span class="keywordtype">bool</span> __is_matched)</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  { _M_results.at(__i).matched = __is_matched; }</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  match_results<_FwdIterT, _Alloc>& _M_results;</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  };</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _FwdIterT, <span class="keyword">typename</span> _Alloc></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  _SpecializedResults<_FwdIterT, _Alloc>::</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  _SpecializedResults(<span class="keyword">const</span> _Automaton::_SizeT __size,</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> _SpecializedCursor<_FwdIterT>& __cursor,</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  match_results<_FwdIterT, _Alloc>& __m)</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : _M_results(__m)</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  _M_results.clear();</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  _M_results.reserve(__size + 2);</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  _M_results.resize(__size);</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">typename</span> match_results<_FwdIterT, _Alloc>::value_type __sm;</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  __sm.first = __sm.second = __cursor._M_begin();</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _M_results.push_back(__sm);</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  __sm.first = __sm.second = __cursor._M_end();</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  _M_results.push_back(__sm);</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _FwdIterT, <span class="keyword">typename</span> _Alloc></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordtype">void</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  _SpecializedResults<_FwdIterT, _Alloc>::</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  _M_set_pos(<span class="keywordtype">int</span> __i, <span class="keywordtype">int</span> __j, <span class="keyword">const</span> _PatternCursor& __pc)</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  { </div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">typedef</span> <span class="keyword">const</span> _SpecializedCursor<_FwdIterT>& _CursorT;</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  _CursorT __c = <span class="keyword">static_cast<</span>_CursorT<span class="keyword">></span>(__pc);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (__j == 0)</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  _M_results.at(__i).first = __c._M_pos();</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  _M_results.at(__i).second = __c._M_pos()+1;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// A stack of states used in evaluating the NFA.</span></div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">typedef</span> <a class="code" href="a00470.html" title="A standard container giving FILO behavior.">std::stack<_StateIdT, std::vector<_StateIdT></a> > _StateStack;</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// Executes a regular expression NFA/DFA over a range using a variant of</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// the parallel execution algorithm featured in the grep utility, modified</span></div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// to use Laurikari tags.</span></div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">class </span>_Grep_matcher</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  _Grep_matcher(_PatternCursor& __p,</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  _Results& __r,</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> _AutomatonPtr& __automaton,</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="a01615.html#a98adb09ee60de1b79934e537c821d3fd" title="This is a bitmask type indicating regex matching rules.">regex_constants::match_flag_type</a> __flags);</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  _StateSet</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  _M_e_closure(_StateIdT __i);</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  _StateSet</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  _M_e_closure(<span class="keyword">const</span> _StateSet& __s);</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  _StateSet</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  _M_e_closure(_StateStack& __stack, <span class="keyword">const</span> _StateSet& __s);</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">const</span> <a class="code" href="a00469.html">std::shared_ptr<_Nfa></a> _M_nfa;</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  _PatternCursor& _M_pattern;</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  _Results& _M_results;</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  };</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> _GLIBCXX_END_NAMESPACE_VERSION</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> } <span class="comment">// namespace __regex</span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> } <span class="comment">// namespace</span></div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#include <<a class="code" href="a01416.html">bits/regex_grep_matcher.tcc</a>></span></div> </div><!-- fragment --></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" 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