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<title>src/Darcs/Commands/ShowAuthors.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2004-2009 David Roundy, Eric Kow, Simon Michael, Tomas Caithaml</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-4"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-5"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-6"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-9"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-10"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-11"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-14"></a><span class='hs-comment'>-- along with this program; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span><span class='hs-varop'>.</span><span class='hs-conid'>ShowAuthors</span> <span class='hs-layout'>(</span> <span class='hs-varid'>showAuthors</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Ratified</span><span class='hs-layout'>(</span> <span class='hs-varid'>readFile</span> <span class='hs-layout'>)</span>
<a name="line-21"></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-layout'>(</span><span class='hs-varop'>&&&</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>***</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-22"></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'>isInfixOf</span><span class='hs-layout'>,</span> <span class='hs-varid'>sortBy</span><span class='hs-layout'>,</span> <span class='hs-varid'>groupBy</span><span class='hs-layout'>,</span> <span class='hs-varid'>group</span><span class='hs-layout'>,</span> <span class='hs-varid'>sort</span><span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ord</span> <span class='hs-layout'>(</span><span class='hs-varid'>comparing</span><span class='hs-layout'>)</span>
<a name="line-24"></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'>toLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSpace</span> <span class='hs-layout'>)</span>
<a name="line-25"></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'>isJust</span> <span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>ParserCombinators</span><span class='hs-varop'>.</span><span class='hs-conid'>Parsec</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>lower</span><span class='hs-layout'>,</span> <span class='hs-varid'>count</span><span class='hs-layout'>,</span> <span class='hs-conid'>Line</span><span class='hs-layout'>)</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>ParserCombinators</span><span class='hs-varop'>.</span><span class='hs-conid'>Parsec</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Regex</span><span class='hs-layout'>,</span> <span class='hs-varid'>mkRegexWithOpts</span><span class='hs-layout'>,</span> <span class='hs-varid'>matchRegex</span> <span class='hs-layout'>)</span>
<a name="line-29"></a>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Arguments</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</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'>workingRepoDir</span> <span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Commands</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsCommand</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'>nodefaults</span><span class='hs-layout'>,</span> <span class='hs-varid'>putWarning</span> <span class='hs-layout'>)</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>External</span> <span class='hs-layout'>(</span> <span class='hs-varid'>viewDoc</span> <span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>PatchInfoAnd</span> <span class='hs-layout'>(</span> <span class='hs-varid'>info</span> <span class='hs-layout'>)</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Repository</span> <span class='hs-layout'>(</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span> <span class='hs-varid'>readRepo</span><span class='hs-layout'>,</span> <span class='hs-varid'>withRepository</span><span class='hs-layout'>,</span> <span class='hs-conid'>RepoJob</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span> <span class='hs-layout'>(</span> <span class='hs-varid'>piAuthor</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-layout'>(</span> <span class='hs-varid'>newset2RL</span> <span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span> <span class='hs-layout'>(</span> <span class='hs-varid'>mapRL</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-varid'>text</span> <span class='hs-layout'>)</span>
<a name="line-39"></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-40"></a>
<a name="line-41"></a><a name="Spelling"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Spelling</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Spelling</span> <span class='hs-conid'>String</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Regex</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- name, email, regexps</span>
<a name="line-42"></a><a name="ParsedLine"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>ParsedLine</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Spelling</span> <span class='hs-comment'>-- Nothing for blank lines</span>
<a name="line-43"></a>
<a name="line-44"></a>
<a name="line-45"></a><a name="showAuthorsDescription"></a><span class='hs-definition'>showAuthorsDescription</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-46"></a><span class='hs-definition'>showAuthorsDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"List authors by patch count."</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="showAuthorsHelp"></a><span class='hs-definition'>showAuthorsHelp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-49"></a><span class='hs-definition'>showAuthorsHelp</span> <span class='hs-keyglyph'>=</span>
<a name="line-50"></a> <span class='hs-str'>"The `darcs show authors' command lists the authors of the current\n"</span> <span class='hs-varop'>++</span>
<a name="line-51"></a> <span class='hs-str'>"repository, sorted by the number of patches contributed. With the\n"</span> <span class='hs-varop'>++</span>
<a name="line-52"></a> <span class='hs-str'>"--verbose option, this command simply lists the author of each patch\n"</span> <span class='hs-varop'>++</span>
<a name="line-53"></a> <span class='hs-str'>"(without aggregation or sorting).\n"</span> <span class='hs-varop'>++</span>
<a name="line-54"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-55"></a> <span class='hs-str'>"An author's name or email address may change over time. To tell Darcs\n"</span> <span class='hs-varop'>++</span>
<a name="line-56"></a> <span class='hs-str'>"when multiple author strings refer to the same individual, create an\n"</span> <span class='hs-varop'>++</span>
<a name="line-57"></a> <span class='hs-str'>"`.authorspellings' file in the root of the working tree. Each line in\n"</span> <span class='hs-varop'>++</span>
<a name="line-58"></a> <span class='hs-str'>"this file begins with an author's canonical name and address, and may\n"</span> <span class='hs-varop'>++</span>
<a name="line-59"></a> <span class='hs-str'>"be followed by a comma separated list of extended regular expressions.\n"</span> <span class='hs-varop'>++</span>
<a name="line-60"></a> <span class='hs-str'>"Blank lines and lines beginning with two hyphens are ignored.\n"</span> <span class='hs-varop'>++</span>
<a name="line-61"></a> <span class='hs-str'>"The format of .authorspelling can be described by this pattern:\n"</span> <span class='hs-varop'>++</span>
<a name="line-62"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-63"></a> <span class='hs-str'>" name <address> [, regexp ]*\n"</span> <span class='hs-varop'>++</span>
<a name="line-64"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-65"></a> <span class='hs-str'>"There are some pitfalls concerning special characters:\n"</span> <span class='hs-varop'>++</span>
<a name="line-66"></a> <span class='hs-str'>"Whitespaces are stripped, if you need space in regexp use [ ]. \n"</span> <span class='hs-varop'>++</span>
<a name="line-67"></a> <span class='hs-str'>"Because comma serves as a separator you have to escape it if you want\n"</span> <span class='hs-varop'>++</span>
<a name="line-68"></a> <span class='hs-str'>"it in regexp. Note that .authorspelingfile use extended regular\n"</span> <span class='hs-varop'>++</span>
<a name="line-69"></a> <span class='hs-str'>"expressions so +, ? and so on are metacharacters and you need to \n"</span> <span class='hs-varop'>++</span>
<a name="line-70"></a> <span class='hs-str'>"escape them to be interpreted literally.\n"</span> <span class='hs-varop'>++</span>
<a name="line-71"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-72"></a> <span class='hs-str'>"Any patch with an author string that matches the canonical address or\n"</span> <span class='hs-varop'>++</span>
<a name="line-73"></a> <span class='hs-str'>"any of the associated regexps is considered to be the work of that\n"</span> <span class='hs-varop'>++</span>
<a name="line-74"></a> <span class='hs-str'>"author. All matching is case-insensitive and partial (it can match a\n"</span> <span class='hs-varop'>++</span>
<a name="line-75"></a> <span class='hs-str'>"substring). Use ^,$ to match the whole string in regexps\n"</span> <span class='hs-varop'>++</span>
<a name="line-76"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-77"></a> <span class='hs-str'>"Currently this canonicalization step is done only in `darcs show\n"</span> <span class='hs-varop'>++</span>
<a name="line-78"></a> <span class='hs-str'>"authors'. Other commands, such as `darcs changes' use author strings\n"</span> <span class='hs-varop'>++</span>
<a name="line-79"></a> <span class='hs-str'>"verbatim.\n"</span> <span class='hs-varop'>++</span>
<a name="line-80"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-81"></a> <span class='hs-str'>"An example .authorspelling file is:\n"</span> <span class='hs-varop'>++</span>
<a name="line-82"></a> <span class='hs-str'>"\n"</span> <span class='hs-varop'>++</span>
<a name="line-83"></a> <span class='hs-str'>" -- This is a comment.\n"</span> <span class='hs-varop'>++</span>
<a name="line-84"></a> <span class='hs-str'>" Fred Nurk <fred@example.com>\n"</span> <span class='hs-varop'>++</span>
<a name="line-85"></a> <span class='hs-str'>" John Snagge <snagge@bbc.co.uk>, John, snagge@, js@(si|mit).edu\n"</span> <span class='hs-varop'>++</span>
<a name="line-86"></a> <span class='hs-str'>" Chuck Jones\\, Jr. <chuck@pobox.com>, cj\\+user@example.com\n"</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="showAuthors"></a><span class='hs-definition'>showAuthors</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DarcsCommand</span>
<a name="line-89"></a><span class='hs-definition'>showAuthors</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DarcsCommand</span> <span class='hs-layout'>{</span>
<a name="line-90"></a> <span class='hs-varid'>commandProgramName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"darcs"</span><span class='hs-layout'>,</span>
<a name="line-91"></a> <span class='hs-varid'>commandName</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"authors"</span><span class='hs-layout'>,</span>
<a name="line-92"></a> <span class='hs-varid'>commandHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showAuthorsHelp</span><span class='hs-layout'>,</span>
<a name="line-93"></a> <span class='hs-varid'>commandDescription</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showAuthorsDescription</span><span class='hs-layout'>,</span>
<a name="line-94"></a> <span class='hs-varid'>commandExtraArgs</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span>
<a name="line-95"></a> <span class='hs-varid'>commandExtraArgHelp</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-96"></a> <span class='hs-varid'>commandCommand</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>authorsCmd</span><span class='hs-layout'>,</span>
<a name="line-97"></a> <span class='hs-varid'>commandPrereq</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>amInRepository</span><span class='hs-layout'>,</span>
<a name="line-98"></a> <span class='hs-varid'>commandGetArgPossibilities</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-99"></a> <span class='hs-varid'>commandArgdefaults</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nodefaults</span><span class='hs-layout'>,</span>
<a name="line-100"></a> <span class='hs-varid'>commandAdvancedOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-101"></a> <span class='hs-varid'>commandBasicOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>workingRepoDir</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>}</span>
<a name="line-102"></a>
<a name="line-103"></a><a name="authorsCmd"></a><span class='hs-definition'>authorsCmd</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</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> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-104"></a><span class='hs-definition'>authorsCmd</span> <span class='hs-varid'>opts</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRepository</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RepoJob</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>repository</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-105"></a> <span class='hs-varid'>patches</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readRepo</span> <span class='hs-varid'>repository</span>
<a name="line-106"></a> <span class='hs-varid'>spellings</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>compiledAuthorSpellings</span> <span class='hs-varid'>opts</span>
<a name="line-107"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>authors</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapRL</span> <span class='hs-layout'>(</span><span class='hs-varid'>piAuthor</span> <span class='hs-varop'>.</span> <span class='hs-varid'>info</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newset2RL</span> <span class='hs-varid'>patches</span>
<a name="line-108"></a> <span class='hs-varid'>viewDoc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-109"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>Verbose</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-110"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>authors</span>
<a name="line-111"></a> <span class='hs-keyword'>else</span> <span class='hs-comment'>-- A list of the form ["<count> <canonical name>"]...</span>
<a name="line-112"></a>
<a name="line-113"></a> <span class='hs-comment'>-- Turn the final result into a list of strings.</span>
<a name="line-114"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-varid'>count</span><span class='hs-layout'>,</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>show</span> <span class='hs-varid'>count</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\t"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-115"></a> <span class='hs-comment'>-- Sort by descending patch count.</span>
<a name="line-116"></a> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sortBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>comparing</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-117"></a> <span class='hs-comment'>-- Combine duplicates from a list [(count, canonized name)]</span>
<a name="line-118"></a> <span class='hs-comment'>-- with duplicates canonized names (see next comment).</span>
<a name="line-119"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>sum</span> <span class='hs-varop'>***</span> <span class='hs-varid'>head</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unzip</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-120"></a> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-121"></a> <span class='hs-varid'>sortBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>comparing</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-122"></a> <span class='hs-comment'>-- Because it would take a long time to canonize "foo" into</span>
<a name="line-123"></a> <span class='hs-comment'>-- "foo <foo@bar.baz>" once per patch, the code below</span>
<a name="line-124"></a> <span class='hs-comment'>-- generates a list [(count, canonized name)].</span>
<a name="line-125"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varop'>&&&</span> <span class='hs-layout'>(</span><span class='hs-varid'>canonizeAuthor</span> <span class='hs-varid'>spellings</span> <span class='hs-varop'>.</span> <span class='hs-varid'>head</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-126"></a> <span class='hs-varid'>group</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sort</span> <span class='hs-varid'>authors</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="canonizeAuthor"></a><span class='hs-definition'>canonizeAuthor</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Spelling</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-conid'>String</span>
<a name="line-129"></a><span class='hs-definition'>canonizeAuthor</span> <span class='hs-varid'>spells</span> <span class='hs-varid'>author</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getName</span> <span class='hs-varid'>canonicals</span>
<a name="line-130"></a> <span class='hs-keyword'>where</span>
<a name="line-131"></a> <span class='hs-varid'>getName</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>author</span>
<a name="line-132"></a> <span class='hs-varid'>getName</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Spelling</span> <span class='hs-varid'>name</span> <span class='hs-varid'>email</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>name</span> <span class='hs-varop'>++</span> <span class='hs-str'>" <"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>email</span> <span class='hs-varop'>++</span> <span class='hs-str'>">"</span>
<a name="line-133"></a> <span class='hs-varid'>canonicals</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varid'>ismatch</span> <span class='hs-varid'>author</span><span class='hs-layout'>)</span> <span class='hs-varid'>spells</span>
<a name="line-134"></a> <span class='hs-varid'>ismatch</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Spelling</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>mail</span> <span class='hs-varid'>regexps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-135"></a> <span class='hs-varid'>s</span> <span class='hs-varop'>`correspondsTo`</span> <span class='hs-varid'>mail</span> <span class='hs-varop'>||</span> <span class='hs-varid'>any</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span> <span class='hs-varop'>`contains_regex`</span><span class='hs-layout'>)</span> <span class='hs-varid'>regexps</span>
<a name="line-136"></a> <span class='hs-varid'>contains_regex</span> <span class='hs-varid'>a</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isJust</span> <span class='hs-varop'>$</span> <span class='hs-varid'>matchRegex</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span>
<a name="line-137"></a> <span class='hs-varid'>correspondsTo</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lower</span> <span class='hs-varid'>b</span> <span class='hs-varop'>`isInfixOf`</span> <span class='hs-varid'>lower</span> <span class='hs-varid'>a</span>
<a name="line-138"></a> <span class='hs-varid'>lower</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span>
<a name="line-139"></a>
<a name="line-140"></a><a name="compiledAuthorSpellings"></a><span class='hs-definition'>compiledAuthorSpellings</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Spelling</span><span class='hs-keyglyph'>]</span>
<a name="line-141"></a><span class='hs-definition'>compiledAuthorSpellings</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-142"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>as_file</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>".authorspellings"</span>
<a name="line-143"></a> <span class='hs-varid'>contents</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ratified</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span> <span class='hs-comment'>-- never unlinked from within darcs</span>
<a name="line-144"></a> <span class='hs-varid'>as_file</span> <span class='hs-varop'>`catch`</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-145"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>parse_results</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>parse</span> <span class='hs-varid'>sentence</span> <span class='hs-varid'>as_file</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>contents</span>
<a name="line-146"></a> <span class='hs-varid'>clean</span> <span class='hs-num'>1</span> <span class='hs-varid'>parse_results</span>
<a name="line-147"></a> <span class='hs-keyword'>where</span>
<a name="line-148"></a> <span class='hs-varid'>clean</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Either</span> <span class='hs-conid'>ParseError</span> <span class='hs-conid'>ParsedLine</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Spelling</span><span class='hs-keyglyph'>]</span>
<a name="line-149"></a> <span class='hs-varid'>clean</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-150"></a> <span class='hs-comment'>-- print parse error</span>
<a name="line-151"></a> <span class='hs-varid'>clean</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varid'>err</span><span class='hs-layout'>)</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-keyword'>do</span>
<a name="line-152"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>npos</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>setSourceLine</span> <span class='hs-layout'>(</span><span class='hs-varid'>errorPos</span> <span class='hs-varid'>err</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span>
<a name="line-153"></a> <span class='hs-varid'>putWarning</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>.</span> <span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setErrorPos</span> <span class='hs-varid'>npos</span> <span class='hs-varid'>err</span>
<a name="line-154"></a> <span class='hs-varid'>clean</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-155"></a> <span class='hs-comment'>-- skip blank line</span>
<a name="line-156"></a> <span class='hs-varid'>clean</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</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-varid'>clean</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-157"></a> <span class='hs-comment'>-- unwrap Spelling</span>
<a name="line-158"></a> <span class='hs-varid'>clean</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</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-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-159"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>clean</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-160"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span>
<a name="line-161"></a>
<a name="line-162"></a><span class='hs-comment'>----------</span>
<a name="line-163"></a><span class='hs-comment'>-- PARSERS</span>
<a name="line-164"></a>
<a name="line-165"></a><a name="sentence"></a><span class='hs-definition'>sentence</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>ParsedLine</span>
<a name="line-166"></a><span class='hs-definition'>sentence</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>spaces</span> <span class='hs-varop'>>></span> <span class='hs-layout'>(</span><span class='hs-varid'>comment</span> <span class='hs-varop'><|></span> <span class='hs-varid'>blank</span> <span class='hs-varop'><|></span> <span class='hs-varid'>addressline</span><span class='hs-layout'>)</span>
<a name="line-167"></a> <span class='hs-keyword'>where</span>
<a name="line-168"></a> <span class='hs-varid'>comment</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>string</span> <span class='hs-str'>"--"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-169"></a> <span class='hs-varid'>blank</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>eof</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-170"></a>
<a name="line-171"></a><a name="addressline"></a><span class='hs-definition'>addressline</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>ParsedLine</span>
<a name="line-172"></a><span class='hs-definition'>addressline</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-173"></a> <span class='hs-varid'>name</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>canonicalName</span> <span class='hs-varop'><?></span> <span class='hs-str'>"Canonical name"</span>
<a name="line-174"></a> <span class='hs-varid'>addr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>between</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'<'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'>'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>noneOf</span> <span class='hs-str'>">"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><?></span> <span class='hs-str'>"Address"</span>
<a name="line-175"></a> <span class='hs-varid'>spaces</span>
<a name="line-176"></a> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>','</span> <span class='hs-varop'>>></span> <span class='hs-varid'>regexp</span> <span class='hs-varop'>`sepBy`</span> <span class='hs-varid'>char</span> <span class='hs-chr'>','</span><span class='hs-layout'>)</span> <span class='hs-varop'><?></span> <span class='hs-str'>"List of regexps"</span>
<a name="line-177"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Spelling</span> <span class='hs-layout'>(</span><span class='hs-varid'>strip</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-varid'>addr</span> <span class='hs-layout'>(</span><span class='hs-varid'>compile</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-keyword'>where</span>
<a name="line-179"></a> <span class='hs-varid'>strip</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-180"></a> <span class='hs-varid'>makeRegex</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkRegexWithOpts</span> <span class='hs-varid'>s</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span>
<a name="line-181"></a> <span class='hs-varid'>compile</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>makeRegex</span> <span class='hs-varop'>.</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>null</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>strip</span>
<a name="line-182"></a>
<a name="line-183"></a><a name="regexp"></a><span class='hs-definition'>regexp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>String</span>
<a name="line-184"></a><span class='hs-definition'>regexp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>p</span> <span class='hs-varop'><?></span> <span class='hs-str'>"Regular expression"</span>
<a name="line-185"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>string</span> <span class='hs-str'>"\\,"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>','</span><span class='hs-layout'>)</span>
<a name="line-186"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>noneOf</span> <span class='hs-str'>","</span>
<a name="line-187"></a>
<a name="line-188"></a><a name="canonicalName"></a><span class='hs-definition'>canonicalName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>String</span>
<a name="line-189"></a><span class='hs-definition'>canonicalName</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>p</span>
<a name="line-190"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>string</span> <span class='hs-str'>"\\,"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>','</span><span class='hs-layout'>)</span>
<a name="line-191"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>noneOf</span> <span class='hs-str'>",<"</span>
<a name="line-192"></a>
</pre></body>
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