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<pre><a name="line-1"></a><span class='hs-comment'>--</span>
<a name="line-2"></a><span class='hs-comment'>-- RegexPR.hs</span>
<a name="line-3"></a><span class='hs-comment'>--</span>
<a name="line-4"></a><span class='hs-comment'>-- Author: Yoshikuni Jujo <PAF01143@nifty.ne.jp></span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- This file is part of regexpr library</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- mtlparse is free software: you can redistribute it and/or modify</span>
<a name="line-9"></a><span class='hs-comment'>-- it under the terms of the GNU Lesser General Public License as</span>
<a name="line-10"></a><span class='hs-comment'>-- published by the Free Software Foundation, either version 3 of the</span>
<a name="line-11"></a><span class='hs-comment'>-- License, or any later version.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- mtlparse is distributed in the hope that it will be useful,</span>
<a name="line-14"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANGY; without even the implied warranty of</span>
<a name="line-15"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-16"></a><span class='hs-comment'>-- GNU Lesser General Public License for more details.</span>
<a name="line-17"></a><span class='hs-comment'>--</span>
<a name="line-18"></a><span class='hs-comment'>-- You should have received a copy of the GNU Lesser General Public</span>
<a name="line-19"></a><span class='hs-comment'>-- License along with this program. If not, see</span>
<a name="line-20"></a><span class='hs-comment'>-- <<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>>.</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>RegexPR</span> <span class='hs-layout'>(</span>
<a name="line-23"></a>
<a name="line-24"></a> <span class='hs-varid'>matchRegexPR</span>
<a name="line-25"></a><span class='hs-layout'>,</span> <span class='hs-varid'>multiMatchRegexPR</span>
<a name="line-26"></a><span class='hs-layout'>,</span> <span class='hs-varid'>gmatchRegexPR</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='hs-layout'>,</span> <span class='hs-varid'>getbrsRegexPR</span>
<a name="line-29"></a><span class='hs-layout'>,</span> <span class='hs-varid'>ggetbrsRegexPR</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-layout'>,</span> <span class='hs-varid'>subRegexPR</span>
<a name="line-32"></a><span class='hs-layout'>,</span> <span class='hs-varid'>subRegexPRBy</span>
<a name="line-33"></a><span class='hs-layout'>,</span> <span class='hs-varid'>gsubRegexPR</span>
<a name="line-34"></a><span class='hs-layout'>,</span> <span class='hs-varid'>gsubRegexPRBy</span>
<a name="line-35"></a>
<a name="line-36"></a><span class='hs-layout'>,</span> <span class='hs-varid'>splitRegexPR</span>
<a name="line-37"></a>
<a name="line-38"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-39"></a>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Hidden</span><span class='hs-varop'>.</span><span class='hs-conid'>RegexPRCore</span> <span class='hs-layout'>(</span> <span class='hs-varid'>matchRegexPRVerbose</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>multiMatchRegexPRVerbose</span> <span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Hidden</span><span class='hs-varop'>.</span><span class='hs-conid'>RegexPRTypes</span> <span class='hs-layout'>(</span> <span class='hs-conid'>MatchFun</span> <span class='hs-layout'>,</span> <span class='hs-conid'>VerboseMatchFun</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-conid'>RegexResult</span><span class='hs-layout'>,</span> <span class='hs-conid'>VerboseResult</span> <span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-conid'>MatchList</span> <span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isDigit</span> <span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>sort</span><span class='hs-layout'>,</span> <span class='hs-varid'>nubBy</span> <span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Function</span> <span class='hs-layout'>(</span> <span class='hs-varid'>on</span> <span class='hs-layout'>)</span>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span> <span class='hs-layout'>(</span> <span class='hs-varid'>first</span> <span class='hs-layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-comment'>------------------------------------------------------------</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="matchRegexPR"></a><span class='hs-definition'>matchRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatchFun</span> <span class='hs-conid'>Maybe</span>
<a name="line-54"></a><span class='hs-definition'>matchRegexPR</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>simplifyMatchFun</span> <span class='hs-varid'>matchRegexPRVerbose</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="multiMatchRegexPR"></a><span class='hs-definition'>multiMatchRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatchFun</span> <span class='hs-conid'>[]</span>
<a name="line-57"></a><span class='hs-definition'>multiMatchRegexPR</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>simplifyMatchFun</span> <span class='hs-varid'>multiMatchRegexPRVerbose</span>
<a name="line-58"></a>
<a name="line-59"></a><a name="gmatchRegexPR"></a><span class='hs-definition'>gmatchRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MatchFun</span> <span class='hs-conid'>[]</span>
<a name="line-60"></a><span class='hs-definition'>gmatchRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>baseFun</span> <span class='hs-varop'>.</span> <span class='hs-conid'>(,)</span> <span class='hs-str'>""</span>
<a name="line-61"></a> <span class='hs-keyword'>where</span>
<a name="line-62"></a> <span class='hs-varid'>baseFun</span> <span class='hs-layout'>(</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-63"></a> <span class='hs-varid'>baseFun</span> <span class='hs-varid'>pos</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>justFun</span> <span class='hs-varop'>$</span> <span class='hs-varid'>matchRegexPRVerbose</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>pos</span>
<a name="line-64"></a> <span class='hs-varid'>justFun</span> <span class='hs-varid'>mr</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span> <span class='hs-layout'>(</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-varid'>pos</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>first</span> <span class='hs-varid'>simplifyResult</span> <span class='hs-varid'>mr</span> <span class='hs-conop'>:</span>
<a name="line-66"></a> <span class='hs-varid'>baseFun</span> <span class='hs-layout'>(</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>r</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>next</span> <span class='hs-varid'>pos</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>pos</span> <span class='hs-layout'>)</span>
<a name="line-67"></a> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>)</span>
<a name="line-68"></a> <span class='hs-varid'>next</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"can not go to next"</span>
<a name="line-69"></a>
<a name="line-70"></a><a name="simplifyMatchFun"></a><span class='hs-definition'>simplifyMatchFun</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>VerboseMatchFun</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MatchFun</span> <span class='hs-varid'>f</span>
<a name="line-71"></a><span class='hs-definition'>simplifyMatchFun</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>reg</span>
<a name="line-72"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span> <span class='hs-varid'>first</span> <span class='hs-varid'>simplifyResult</span> <span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mf</span> <span class='hs-varid'>reg</span> <span class='hs-varop'>.</span> <span class='hs-conid'>(,)</span> <span class='hs-str'>""</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="simplifyResult"></a><span class='hs-definition'>simplifyResult</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>VerboseResult</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RegexResult</span>
<a name="line-75"></a><span class='hs-definition'>simplifyResult</span> <span class='hs-layout'>(</span> <span class='hs-varid'>pre</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>pre</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-76"></a>
<a name="line-77"></a><span class='hs-comment'>------------------------------------------------------------</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="getbrsRegexPR"></a><span class='hs-definition'>getbrsRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>]</span>
<a name="line-80"></a><span class='hs-definition'>getbrsRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>str</span>
<a name="line-81"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>matchRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>str</span> <span class='hs-keyword'>of</span>
<a name="line-82"></a> <span class='hs-conid'>Nothing</span>
<a name="line-83"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-84"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>ml</span> <span class='hs-layout'>)</span>
<a name="line-85"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ret</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-layout'>(</span> <span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-varid'>nubBy</span> <span class='hs-layout'>(</span> <span class='hs-varid'>on</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varid'>fst</span> <span class='hs-layout'>)</span> <span class='hs-varid'>ml</span> <span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="ggetbrsRegexPR"></a><span class='hs-definition'>ggetbrsRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>]</span>
<a name="line-88"></a><span class='hs-definition'>ggetbrsRegexPR</span> <span class='hs-varid'>reg</span>
<a name="line-89"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>bl</span> <span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-90"></a> <span class='hs-varid'>m</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-layout'>(</span> <span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-varid'>nubBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>on</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span> <span class='hs-varid'>bl</span> <span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>gmatchRegexPR</span> <span class='hs-varid'>reg</span>
<a name="line-92"></a>
<a name="line-93"></a><span class='hs-comment'>------------------------------------------------------------</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="splitRegexPR"></a><span class='hs-definition'>splitRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-96"></a><span class='hs-definition'>splitRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>str</span>
<a name="line-97"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>gmatched</span> <span class='hs-keyword'>of</span>
<a name="line-98"></a> <span class='hs-keyglyph'>[</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span> <span class='hs-keyglyph'>]</span>
<a name="line-99"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fst</span><span class='hs-varop'>.</span><span class='hs-varid'>snd</span><span class='hs-varop'>.</span><span class='hs-varid'>fst</span> <span class='hs-layout'>)</span> <span class='hs-varid'>gmatched</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>snd</span><span class='hs-varop'>.</span><span class='hs-varid'>snd</span><span class='hs-varop'>.</span><span class='hs-varid'>fst</span><span class='hs-varop'>.</span><span class='hs-varid'>last</span><span class='hs-layout'>)</span> <span class='hs-varid'>gmatched</span> <span class='hs-keyglyph'>]</span>
<a name="line-100"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>gmatched</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gmatchRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>str</span>
<a name="line-101"></a>
<a name="line-102"></a><span class='hs-comment'>------------------------------------------------------------</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="subRegexPR"></a><span class='hs-definition'>subRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-105"></a><span class='hs-definition'>subRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>sub</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>subRegexPRBy</span> <span class='hs-varid'>reg</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>sub</span><span class='hs-layout'>)</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="subRegexPRBy"></a><span class='hs-definition'>subRegexPRBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-108"></a><span class='hs-definition'>subRegexPRBy</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>subf</span> <span class='hs-varid'>src</span>
<a name="line-109"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>matchRegexPRVerbose</span> <span class='hs-varid'>reg</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span><span class='hs-varid'>src</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-110"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>al</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>pre</span><span class='hs-layout'>,</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-varid'>sp</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pre</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-layout'>(</span><span class='hs-varid'>subf</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-varid'>snd</span> <span class='hs-varid'>sp</span>
<a name="line-111"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>src</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="gsubRegexPR"></a><span class='hs-definition'>gsubRegexPR</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-114"></a><span class='hs-definition'>gsubRegexPR</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>sub</span> <span class='hs-varid'>src</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gsubRegexPRGen</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>reg</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>sub</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-varid'>src</span><span class='hs-layout'>)</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="gsubRegexPRBy"></a><span class='hs-definition'>gsubRegexPRBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-117"></a><span class='hs-definition'>gsubRegexPRBy</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>subf</span> <span class='hs-varid'>src</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gsubRegexPRGen</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>subf</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-varid'>src</span><span class='hs-layout'>)</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="gsubRegexPRGen"></a><span class='hs-definition'>gsubRegexPRGen</span> <span class='hs-keyglyph'>::</span>
<a name="line-120"></a> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-121"></a><span class='hs-definition'>gsubRegexPRGen</span> <span class='hs-varid'>pmp</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>fsub</span> <span class='hs-varid'>src</span>
<a name="line-122"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>matchRegexPRVerbose</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>src</span> <span class='hs-keyword'>of</span>
<a name="line-123"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>al</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>pre</span><span class='hs-layout'>,</span> <span class='hs-varid'>match</span><span class='hs-layout'>,</span> <span class='hs-varid'>sp</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>~</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span>
<a name="line-124"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>pmp</span><span class='hs-layout'>,</span> <span class='hs-varid'>sp</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-125"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-126"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>sp</span> <span class='hs-varop'>==</span> <span class='hs-varid'>pmp</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pre</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-127"></a> <span class='hs-varid'>gsubRegexPRGen</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>sp</span><span class='hs-layout'>)</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>fsub</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-128"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pre</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-layout'>(</span><span class='hs-varid'>fsub</span> <span class='hs-varid'>match</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-129"></a> <span class='hs-varid'>gsubRegexPRGen</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>sp</span><span class='hs-layout'>)</span> <span class='hs-varid'>reg</span> <span class='hs-varid'>fsub</span> <span class='hs-varid'>sp</span>
<a name="line-130"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>snd</span> <span class='hs-varid'>src</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="subBackRef"></a><span class='hs-definition'>subBackRef</span> <span class='hs-keyglyph'>::</span>
<a name="line-133"></a> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatchList</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-134"></a><span class='hs-definition'>subBackRef</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-135"></a><span class='hs-definition'>subBackRef</span> <span class='hs-varid'>al</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>match</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>hasRead</span><span class='hs-layout'>,</span><span class='hs-varid'>post</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>str</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"&0"</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>match</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-varid'>rest</span>
<a name="line-137"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'`'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>match</span><span class='hs-layout'>)</span> <span class='hs-varid'>hasRead</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-varid'>rest</span>
<a name="line-138"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\''</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>post</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-varid'>rest</span>
<a name="line-139"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'+'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>snd</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-varid'>rest</span>
<a name="line-140"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'{'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>read</span> <span class='hs-varop'>$</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span><span class='hs-chr'>'}'</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-141"></a> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-layout'>(</span><span class='hs-varid'>tail</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span><span class='hs-chr'>'}'</span><span class='hs-layout'>)</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span>
<a name="line-142"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>read</span> <span class='hs-varop'>$</span> <span class='hs-varid'>takeWhile</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-varid'>ml</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-143"></a> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span>
<a name="line-144"></a><span class='hs-definition'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>subBackRef</span> <span class='hs-varid'>al</span> <span class='hs-varid'>cs</span>
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