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<pre><a name="line-1"></a><span class='hs-comment'>{-
<a name="line-2"></a>Copyright (C) 2006-2010 John MacFarlane <jgm@berkeley.edu>
<a name="line-3"></a>
<a name="line-4"></a>This program is free software; you can redistribute it and/or modify
<a name="line-5"></a>it under the terms of the GNU General Public License as published by
<a name="line-6"></a>the Free Software Foundation; either version 2 of the License, or
<a name="line-7"></a>(at your option) any later version.
<a name="line-8"></a>
<a name="line-9"></a>This program is distributed in the hope that it will be useful,
<a name="line-10"></a>but WITHOUT ANY WARRANTY; without even the implied warranty of
<a name="line-11"></a>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<a name="line-12"></a>GNU General Public License for more details.
<a name="line-13"></a>
<a name="line-14"></a>You should have received a copy of the GNU General Public License
<a name="line-15"></a>along with this program; if not, write to the Free Software
<a name="line-16"></a>Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<a name="line-17"></a>-}</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-comment'>{- |
<a name="line-20"></a> Module : Text.Pandoc.Parsing
<a name="line-21"></a> Copyright : Copyright (C) 2006-2010 John MacFarlane
<a name="line-22"></a> License : GNU GPL, version 2 or above
<a name="line-23"></a>
<a name="line-24"></a> Maintainer : John MacFarlane <jgm@berkeley.edu>
<a name="line-25"></a> Stability : alpha
<a name="line-26"></a> Portability : portable
<a name="line-27"></a>
<a name="line-28"></a>A utility library with parsers used in pandoc readers.
<a name="line-29"></a>-}</span>
<a name="line-30"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Parsing</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-31"></a> <span class='hs-varid'>anyLine</span><span class='hs-layout'>,</span>
<a name="line-32"></a> <span class='hs-varid'>many1Till</span><span class='hs-layout'>,</span>
<a name="line-33"></a> <span class='hs-varid'>notFollowedBy'</span><span class='hs-layout'>,</span>
<a name="line-34"></a> <span class='hs-varid'>oneOfStrings</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>spaceChar</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-varid'>skipSpaces</span><span class='hs-layout'>,</span>
<a name="line-37"></a> <span class='hs-varid'>blankline</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>blanklines</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>enclosed</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-varid'>stringAnyCase</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>parseFromString</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>lineClump</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-varid'>charsInBalanced</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>charsInBalanced'</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>romanNumeral</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>emailAddress</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>uri</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>withHorizDisplacement</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-varid'>nullBlock</span><span class='hs-layout'>,</span>
<a name="line-50"></a> <span class='hs-varid'>failIfStrict</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-varid'>failUnlessLHS</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-varid'>escaped</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-varid'>anyOrderedListMarker</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-varid'>orderedListMarker</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-varid'>charRef</span><span class='hs-layout'>,</span>
<a name="line-56"></a> <span class='hs-varid'>tableWith</span><span class='hs-layout'>,</span>
<a name="line-57"></a> <span class='hs-varid'>gridTableWith</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-varid'>readWith</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-varid'>testStringWith</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-conid'>ParserState</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-61"></a> <span class='hs-varid'>defaultParserState</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-conid'>HeaderType</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-conid'>ParserContext</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-conid'>QuoteContext</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-conid'>NoteTable</span><span class='hs-layout'>,</span>
<a name="line-66"></a> <span class='hs-conid'>KeyTable</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-conid'>Key</span><span class='hs-layout'>,</span>
<a name="line-68"></a> <span class='hs-varid'>toKey</span><span class='hs-layout'>,</span>
<a name="line-69"></a> <span class='hs-varid'>fromKey</span><span class='hs-layout'>,</span>
<a name="line-70"></a> <span class='hs-varid'>lookupKeySrc</span><span class='hs-layout'>,</span>
<a name="line-71"></a> <span class='hs-varid'>smartPunctuation</span><span class='hs-layout'>,</span>
<a name="line-72"></a> <span class='hs-varid'>macro</span><span class='hs-layout'>,</span>
<a name="line-73"></a> <span class='hs-varid'>applyMacros'</span> <span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-keyword'>where</span>
<a name="line-75"></a>
<a name="line-76"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Definition</span>
<a name="line-77"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Generic</span>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>UTF8</span> <span class='hs-layout'>(</span><span class='hs-varid'>putStrLn</span><span class='hs-layout'>)</span>
<a name="line-79"></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>
<a name="line-80"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>CharacterReferences</span> <span class='hs-layout'>(</span> <span class='hs-varid'>characterReference</span> <span class='hs-layout'>)</span>
<a name="line-81"></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'>toUpper</span><span class='hs-layout'>,</span> <span class='hs-varid'>ord</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAscii</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAlphaNum</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDigit</span> <span class='hs-layout'>)</span>
<a name="line-82"></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'>intercalate</span><span class='hs-layout'>,</span> <span class='hs-varid'>transpose</span> <span class='hs-layout'>)</span>
<a name="line-83"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>URI</span> <span class='hs-layout'>(</span> <span class='hs-varid'>parseURI</span><span class='hs-layout'>,</span> <span class='hs-conid'>URI</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'>isAllowedInURI</span> <span class='hs-layout'>)</span>
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>join</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftM</span><span class='hs-layout'>,</span> <span class='hs-varid'>guard</span> <span class='hs-layout'>)</span>
<a name="line-85"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Pandoc</span><span class='hs-varop'>.</span><span class='hs-conid'>Shared</span>
<a name="line-86"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>M</span>
<a name="line-87"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>TeXMath</span><span class='hs-varop'>.</span><span class='hs-conid'>Macros</span> <span class='hs-layout'>(</span><span class='hs-varid'>applyMacros</span><span class='hs-layout'>,</span> <span class='hs-conid'>Macro</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseMacroDefinitions</span><span class='hs-layout'>)</span>
<a name="line-88"></a>
<a name="line-89"></a><a name=">>~"></a><span class='hs-comment'>-- | Like >>, but returns the operation on the left.</span>
<a name="line-90"></a><span class='hs-comment'>-- (Suggested by Tillmann Rendel on Haskell-cafe list.)</span>
<a name="line-91"></a><span class='hs-layout'>(</span><span class='hs-varop'>>>~</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-92"></a><a name="a"></a><span class='hs-definition'>a</span> <span class='hs-varop'>>>~</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>a</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-varid'>b</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="anyLine"></a><span class='hs-comment'>-- | Parse any line of text</span>
<a name="line-95"></a><span class='hs-definition'>anyLine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-96"></a><span class='hs-definition'>anyLine</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>manyTill</span> <span class='hs-varid'>anyChar</span> <span class='hs-varid'>newline</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="many1Till"></a><span class='hs-comment'>-- | Like @manyTill@, but reads at least one item.</span>
<a name="line-99"></a><span class='hs-definition'>many1Till</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>st</span> <span class='hs-varid'>a</span>
<a name="line-100"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>st</span> <span class='hs-varid'>end</span>
<a name="line-101"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-102"></a><span class='hs-definition'>many1Till</span> <span class='hs-varid'>p</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-103"></a> <span class='hs-varid'>first</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>p</span>
<a name="line-104"></a> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>manyTill</span> <span class='hs-varid'>p</span> <span class='hs-varid'>end</span>
<a name="line-105"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="notFollowedBy'"></a><span class='hs-comment'>-- | A more general form of @notFollowedBy@. This one allows any </span>
<a name="line-108"></a><span class='hs-comment'>-- type of parser to be specified, and succeeds only if that parser fails.</span>
<a name="line-109"></a><span class='hs-comment'>-- It does not consume any input.</span>
<a name="line-110"></a><span class='hs-definition'>notFollowedBy'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Show</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>a</span> <span class='hs-varid'>st</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>a</span> <span class='hs-varid'>st</span> <span class='hs-conid'>()</span>
<a name="line-111"></a><span class='hs-definition'>notFollowedBy'</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>join</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>try</span> <span class='hs-varid'>p</span>
<a name="line-112"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>unexpected</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-113"></a> <span class='hs-varop'><|></span>
<a name="line-114"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-115"></a><span class='hs-comment'>-- (This version due to Andrew Pimlott on the Haskell mailing list.)</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="oneOfStrings"></a><span class='hs-comment'>-- | Parses one of a list of strings (tried in order). </span>
<a name="line-118"></a><span class='hs-definition'>oneOfStrings</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'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>String</span>
<a name="line-119"></a><span class='hs-definition'>oneOfStrings</span> <span class='hs-varid'>listOfStrings</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>choice</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>try</span> <span class='hs-varop'>.</span> <span class='hs-varid'>string</span><span class='hs-layout'>)</span> <span class='hs-varid'>listOfStrings</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="spaceChar"></a><span class='hs-comment'>-- | Parses a space or tab.</span>
<a name="line-122"></a><span class='hs-definition'>spaceChar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CharParser</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span>
<a name="line-123"></a><span class='hs-definition'>spaceChar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>satisfy</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\t'</span>
<a name="line-124"></a>
<a name="line-125"></a><a name="skipSpaces"></a><span class='hs-comment'>-- | Skips zero or more spaces or tabs.</span>
<a name="line-126"></a><span class='hs-definition'>skipSpaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>()</span>
<a name="line-127"></a><span class='hs-definition'>skipSpaces</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>skipMany</span> <span class='hs-varid'>spaceChar</span>
<a name="line-128"></a>
<a name="line-129"></a><a name="blankline"></a><span class='hs-comment'>-- | Skips zero or more spaces or tabs, then reads a newline.</span>
<a name="line-130"></a><span class='hs-definition'>blankline</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span>
<a name="line-131"></a><span class='hs-definition'>blankline</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>skipSpaces</span> <span class='hs-varop'>>></span> <span class='hs-varid'>newline</span>
<a name="line-132"></a>
<a name="line-133"></a><a name="blanklines"></a><span class='hs-comment'>-- | Parses one or more blank lines and returns a string of newlines.</span>
<a name="line-134"></a><span class='hs-definition'>blanklines</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-135"></a><span class='hs-definition'>blanklines</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>blankline</span>
<a name="line-136"></a>
<a name="line-137"></a><a name="enclosed"></a><span class='hs-comment'>-- | Parses material enclosed between start and end parsers.</span>
<a name="line-138"></a><span class='hs-definition'>enclosed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-varid'>t</span> <span class='hs-comment'>-- ^ start parser</span>
<a name="line-139"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-varid'>end</span> <span class='hs-comment'>-- ^ end parser</span>
<a name="line-140"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ content parser (to be used repeatedly)</span>
<a name="line-141"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-142"></a><span class='hs-definition'>enclosed</span> <span class='hs-varid'>start</span> <span class='hs-varid'>end</span> <span class='hs-varid'>parser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span>
<a name="line-143"></a> <span class='hs-varid'>start</span> <span class='hs-varop'>>></span> <span class='hs-varid'>notFollowedBy</span> <span class='hs-varid'>space</span> <span class='hs-varop'>>></span> <span class='hs-varid'>many1Till</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>end</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="stringAnyCase"></a><span class='hs-comment'>-- | Parse string, case insensitive.</span>
<a name="line-146"></a><span class='hs-definition'>stringAnyCase</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CharParser</span> <span class='hs-varid'>st</span> <span class='hs-conid'>String</span>
<a name="line-147"></a><span class='hs-definition'>stringAnyCase</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>string</span> <span class='hs-str'>""</span>
<a name="line-148"></a><span class='hs-definition'>stringAnyCase</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-keyword'>do</span>
<a name="line-149"></a> <span class='hs-varid'>firstChar</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-layout'>(</span><span class='hs-varid'>toUpper</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>char</span> <span class='hs-layout'>(</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-150"></a> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>stringAnyCase</span> <span class='hs-varid'>xs</span>
<a name="line-151"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>firstChar</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-152"></a>
<a name="line-153"></a><a name="parseFromString"></a><span class='hs-comment'>-- | Parse contents of 'str' using 'parser' and return result.</span>
<a name="line-154"></a><span class='hs-definition'>parseFromString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>st</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>tok</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>st</span> <span class='hs-varid'>a</span>
<a name="line-155"></a><span class='hs-definition'>parseFromString</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-156"></a> <span class='hs-varid'>oldPos</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPosition</span>
<a name="line-157"></a> <span class='hs-varid'>oldInput</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-158"></a> <span class='hs-varid'>setInput</span> <span class='hs-varid'>str</span>
<a name="line-159"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parser</span>
<a name="line-160"></a> <span class='hs-varid'>setInput</span> <span class='hs-varid'>oldInput</span>
<a name="line-161"></a> <span class='hs-varid'>setPosition</span> <span class='hs-varid'>oldPos</span>
<a name="line-162"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>result</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="lineClump"></a><span class='hs-comment'>-- | Parse raw line block up to and including blank lines.</span>
<a name="line-165"></a><span class='hs-definition'>lineClump</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>String</span>
<a name="line-166"></a><span class='hs-definition'>lineClump</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>blanklines</span>
<a name="line-167"></a> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>notFollowedBy</span> <span class='hs-varid'>blankline</span> <span class='hs-varop'>>></span> <span class='hs-varid'>anyLine</span><span class='hs-layout'>)</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span><span class='hs-layout'>)</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="charsInBalanced"></a><span class='hs-comment'>-- | Parse a string of characters between an open character</span>
<a name="line-170"></a><span class='hs-comment'>-- and a close character, including text between balanced</span>
<a name="line-171"></a><span class='hs-comment'>-- pairs of open and close, which must be different. For example,</span>
<a name="line-172"></a><span class='hs-comment'>-- @charsInBalanced '(' ')'@ will parse "(hello (there))"</span>
<a name="line-173"></a><span class='hs-comment'>-- and return "hello (there)". Stop if a blank line is</span>
<a name="line-174"></a><span class='hs-comment'>-- encountered.</span>
<a name="line-175"></a><span class='hs-definition'>charsInBalanced</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>String</span>
<a name="line-176"></a><span class='hs-definition'>charsInBalanced</span> <span class='hs-varid'>open</span> <span class='hs-varid'>close</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-177"></a> <span class='hs-varid'>char</span> <span class='hs-varid'>open</span>
<a name="line-178"></a> <span class='hs-varid'>raw</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>satisfy</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span>
<a name="line-179"></a> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>open</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>close</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-180"></a> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>charsInBalanced</span> <span class='hs-varid'>open</span> <span class='hs-varid'>close</span>
<a name="line-181"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>open</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>res</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>close</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>string</span> <span class='hs-str'>"\n"</span> <span class='hs-varop'>>>~</span> <span class='hs-varid'>notFollowedBy'</span> <span class='hs-varid'>blanklines</span><span class='hs-layout'>)</span>
<a name="line-183"></a> <span class='hs-varid'>char</span> <span class='hs-varid'>close</span>
<a name="line-184"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>raw</span>
<a name="line-185"></a>
<a name="line-186"></a><a name="charsInBalanced'"></a><span class='hs-comment'>-- | Like @charsInBalanced@, but allow blank lines in the content.</span>
<a name="line-187"></a><span class='hs-definition'>charsInBalanced'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>String</span>
<a name="line-188"></a><span class='hs-definition'>charsInBalanced'</span> <span class='hs-varid'>open</span> <span class='hs-varid'>close</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-189"></a> <span class='hs-varid'>char</span> <span class='hs-varid'>open</span>
<a name="line-190"></a> <span class='hs-varid'>raw</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>satisfy</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>open</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>close</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-191"></a> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>charsInBalanced'</span> <span class='hs-varid'>open</span> <span class='hs-varid'>close</span>
<a name="line-192"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>open</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>res</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>close</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-193"></a> <span class='hs-varid'>char</span> <span class='hs-varid'>close</span>
<a name="line-194"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>raw</span>
<a name="line-195"></a>
<a name="line-196"></a><span class='hs-comment'>-- Auxiliary functions for romanNumeral:</span>
<a name="line-197"></a>
<a name="line-198"></a><a name="lowercaseRomanDigits"></a><span class='hs-definition'>lowercaseRomanDigits</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-199"></a><span class='hs-definition'>lowercaseRomanDigits</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'i'</span><span class='hs-layout'>,</span><span class='hs-chr'>'v'</span><span class='hs-layout'>,</span><span class='hs-chr'>'x'</span><span class='hs-layout'>,</span><span class='hs-chr'>'l'</span><span class='hs-layout'>,</span><span class='hs-chr'>'c'</span><span class='hs-layout'>,</span><span class='hs-chr'>'d'</span><span class='hs-layout'>,</span><span class='hs-chr'>'m'</span><span class='hs-keyglyph'>]</span>
<a name="line-200"></a>
<a name="line-201"></a><a name="uppercaseRomanDigits"></a><span class='hs-definition'>uppercaseRomanDigits</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-202"></a><span class='hs-definition'>uppercaseRomanDigits</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toUpper</span> <span class='hs-varid'>lowercaseRomanDigits</span>
<a name="line-203"></a>
<a name="line-204"></a><a name="romanNumeral"></a><span class='hs-comment'>-- | Parses a roman numeral (uppercase or lowercase), returns number.</span>
<a name="line-205"></a><span class='hs-definition'>romanNumeral</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Uppercase if true</span>
<a name="line-206"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Int</span>
<a name="line-207"></a><span class='hs-definition'>romanNumeral</span> <span class='hs-varid'>upperCase</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-208"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>romanDigits</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>upperCase</span>
<a name="line-209"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>uppercaseRomanDigits</span>
<a name="line-210"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>lowercaseRomanDigits</span>
<a name="line-211"></a> <span class='hs-varid'>lookAhead</span> <span class='hs-varop'>$</span> <span class='hs-varid'>oneOf</span> <span class='hs-varid'>romanDigits</span>
<a name="line-212"></a> <span class='hs-keyword'>let</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>one</span><span class='hs-layout'>,</span> <span class='hs-varid'>five</span><span class='hs-layout'>,</span> <span class='hs-varid'>ten</span><span class='hs-layout'>,</span> <span class='hs-varid'>fifty</span><span class='hs-layout'>,</span> <span class='hs-varid'>hundred</span><span class='hs-layout'>,</span> <span class='hs-varid'>fivehundred</span><span class='hs-layout'>,</span> <span class='hs-varid'>thousand</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span>
<a name="line-213"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>char</span> <span class='hs-varid'>romanDigits</span>
<a name="line-214"></a> <span class='hs-varid'>thousands</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>thousand</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>1000</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-215"></a> <span class='hs-varid'>ninehundreds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hundred</span> <span class='hs-varop'>>></span> <span class='hs-varid'>thousand</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>900</span>
<a name="line-216"></a> <span class='hs-varid'>fivehundreds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>fivehundred</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>500</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-217"></a> <span class='hs-varid'>fourhundreds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hundred</span> <span class='hs-varop'>>></span> <span class='hs-varid'>fivehundred</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>400</span>
<a name="line-218"></a> <span class='hs-varid'>hundreds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>hundred</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>100</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-219"></a> <span class='hs-varid'>nineties</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ten</span> <span class='hs-varop'>>></span> <span class='hs-varid'>hundred</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>90</span>
<a name="line-220"></a> <span class='hs-varid'>fifties</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>fifty</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>50</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-221"></a> <span class='hs-varid'>forties</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ten</span> <span class='hs-varop'>>></span> <span class='hs-varid'>fifty</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>40</span>
<a name="line-222"></a> <span class='hs-varid'>tens</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>ten</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>10</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-223"></a> <span class='hs-varid'>nines</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>one</span> <span class='hs-varop'>>></span> <span class='hs-varid'>ten</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>9</span>
<a name="line-224"></a> <span class='hs-varid'>fives</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>five</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-num'>5</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-225"></a> <span class='hs-varid'>fours</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>one</span> <span class='hs-varop'>>></span> <span class='hs-varid'>five</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-num'>4</span>
<a name="line-226"></a> <span class='hs-varid'>ones</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>one</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>length</span><span class='hs-layout'>)</span>
<a name="line-227"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>thousands</span> <span class='hs-varop'>+</span> <span class='hs-varid'>ninehundreds</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fivehundreds</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fourhundreds</span> <span class='hs-varop'>+</span>
<a name="line-228"></a> <span class='hs-varid'>hundreds</span> <span class='hs-varop'>+</span> <span class='hs-varid'>nineties</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fifties</span> <span class='hs-varop'>+</span> <span class='hs-varid'>forties</span> <span class='hs-varop'>+</span> <span class='hs-varid'>tens</span> <span class='hs-varop'>+</span> <span class='hs-varid'>nines</span> <span class='hs-varop'>+</span>
<a name="line-229"></a> <span class='hs-varid'>fives</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fours</span> <span class='hs-varop'>+</span> <span class='hs-varid'>ones</span>
<a name="line-230"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>total</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span>
<a name="line-231"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"not a roman numeral"</span>
<a name="line-232"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>total</span>
<a name="line-233"></a>
<a name="line-234"></a><span class='hs-comment'>-- Parsers for email addresses and URIs</span>
<a name="line-235"></a>
<a name="line-236"></a><a name="emailChar"></a><span class='hs-definition'>emailChar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span>
<a name="line-237"></a><span class='hs-definition'>emailChar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>alphaNum</span> <span class='hs-varop'><|></span>
<a name="line-238"></a> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'-'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'+'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'_'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'.'</span><span class='hs-layout'>)</span>
<a name="line-239"></a>
<a name="line-240"></a><a name="domainChar"></a><span class='hs-definition'>domainChar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span>
<a name="line-241"></a><span class='hs-definition'>domainChar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>alphaNum</span> <span class='hs-varop'><|></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'-'</span>
<a name="line-242"></a>
<a name="line-243"></a><a name="domain"></a><span class='hs-definition'>domain</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-244"></a><span class='hs-definition'>domain</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-245"></a> <span class='hs-varid'>first</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>domainChar</span>
<a name="line-246"></a> <span class='hs-varid'>dom</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>try</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'>many1</span> <span class='hs-varid'>domainChar</span> <span class='hs-layout'>)</span>
<a name="line-247"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"."</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-varid'>dom</span><span class='hs-layout'>)</span>
<a name="line-248"></a>
<a name="line-249"></a><a name="emailAddress"></a><span class='hs-comment'>-- | Parses an email address; returns original and corresponding</span>
<a name="line-250"></a><span class='hs-comment'>-- escaped mailto: URI.</span>
<a name="line-251"></a><span class='hs-definition'>emailAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-252"></a><span class='hs-definition'>emailAddress</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-253"></a> <span class='hs-varid'>firstLetter</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>alphaNum</span>
<a name="line-254"></a> <span class='hs-varid'>restAddr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>emailChar</span>
<a name="line-255"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>addr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>firstLetter</span><span class='hs-conop'>:</span><span class='hs-varid'>restAddr</span>
<a name="line-256"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'@'</span>
<a name="line-257"></a> <span class='hs-varid'>dom</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>domain</span>
<a name="line-258"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>full</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>addr</span> <span class='hs-varop'>++</span> <span class='hs-chr'>'@'</span><span class='hs-conop'>:</span><span class='hs-varid'>dom</span>
<a name="line-259"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>full</span><span class='hs-layout'>,</span> <span class='hs-varid'>escapeURI</span> <span class='hs-varop'>$</span> <span class='hs-str'>"mailto:"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>full</span><span class='hs-layout'>)</span>
<a name="line-260"></a>
<a name="line-261"></a><a name="uri"></a><span class='hs-comment'>-- | Parses a URI. Returns pair of original and URI-escaped version.</span>
<a name="line-262"></a><span class='hs-definition'>uri</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-263"></a><span class='hs-definition'>uri</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-264"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>protocols</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"http:"</span><span class='hs-layout'>,</span> <span class='hs-str'>"https:"</span><span class='hs-layout'>,</span> <span class='hs-str'>"ftp:"</span><span class='hs-layout'>,</span> <span class='hs-str'>"file:"</span><span class='hs-layout'>,</span> <span class='hs-str'>"mailto:"</span><span class='hs-layout'>,</span>
<a name="line-265"></a> <span class='hs-str'>"news:"</span><span class='hs-layout'>,</span> <span class='hs-str'>"telnet:"</span> <span class='hs-keyglyph'>]</span>
<a name="line-266"></a> <span class='hs-varid'>lookAhead</span> <span class='hs-varop'>$</span> <span class='hs-varid'>oneOfStrings</span> <span class='hs-varid'>protocols</span>
<a name="line-267"></a> <span class='hs-comment'>-- scan non-ascii characters and ascii characters allowed in a URI</span>
<a name="line-268"></a> <span class='hs-varid'>str</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isAscii</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isAllowedInURI</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-269"></a> <span class='hs-comment'>-- now see if they amount to an absolute URI</span>
<a name="line-270"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>parseURI</span> <span class='hs-layout'>(</span><span class='hs-varid'>escapeURI</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-271"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>uri'</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>uriScheme</span> <span class='hs-varid'>uri'</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>protocols</span>
<a name="line-272"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>str</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varid'>uri'</span><span class='hs-layout'>)</span>
<a name="line-273"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"not a URI"</span>
<a name="line-274"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"not a URI"</span>
<a name="line-275"></a>
<a name="line-276"></a><a name="withHorizDisplacement"></a><span class='hs-comment'>-- | Applies a parser, returns tuple of its results and its horizontal</span>
<a name="line-277"></a><span class='hs-comment'>-- displacement (the difference between the source column at the end</span>
<a name="line-278"></a><span class='hs-comment'>-- and the source column at the beginning). Vertical displacement</span>
<a name="line-279"></a><span class='hs-comment'>-- (source row) is ignored.</span>
<a name="line-280"></a><span class='hs-definition'>withHorizDisplacement</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ Parser to apply</span>
<a name="line-281"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ (result, displacement)</span>
<a name="line-282"></a><span class='hs-definition'>withHorizDisplacement</span> <span class='hs-varid'>parser</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-283"></a> <span class='hs-varid'>pos1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPosition</span>
<a name="line-284"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parser</span>
<a name="line-285"></a> <span class='hs-varid'>pos2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getPosition</span>
<a name="line-286"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>result</span><span class='hs-layout'>,</span> <span class='hs-varid'>sourceColumn</span> <span class='hs-varid'>pos2</span> <span class='hs-comment'>-</span> <span class='hs-varid'>sourceColumn</span> <span class='hs-varid'>pos1</span><span class='hs-layout'>)</span>
<a name="line-287"></a>
<a name="line-288"></a><a name="nullBlock"></a><span class='hs-comment'>-- | Parses a character and returns 'Null' (so that the parser can move on</span>
<a name="line-289"></a><span class='hs-comment'>-- if it gets stuck).</span>
<a name="line-290"></a><span class='hs-definition'>nullBlock</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Block</span>
<a name="line-291"></a><span class='hs-definition'>nullBlock</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>anyChar</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Null</span>
<a name="line-292"></a>
<a name="line-293"></a><a name="failIfStrict"></a><span class='hs-comment'>-- | Fail if reader is in strict markdown syntax mode.</span>
<a name="line-294"></a><span class='hs-definition'>failIfStrict</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>a</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-295"></a><span class='hs-definition'>failIfStrict</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-296"></a> <span class='hs-varid'>state</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-297"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>stateStrict</span> <span class='hs-varid'>state</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"strict mode"</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-298"></a>
<a name="line-299"></a><a name="failUnlessLHS"></a><span class='hs-comment'>-- | Fail unless we're in literate haskell mode.</span>
<a name="line-300"></a><span class='hs-definition'>failUnlessLHS</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-301"></a><span class='hs-definition'>failUnlessLHS</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-302"></a> <span class='hs-varid'>state</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-303"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>stateLiterateHaskell</span> <span class='hs-varid'>state</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Literate haskell feature"</span>
<a name="line-304"></a>
<a name="line-305"></a><a name="escaped"></a><span class='hs-comment'>-- | Parses backslash, then applies character parser.</span>
<a name="line-306"></a><span class='hs-definition'>escaped</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span> <span class='hs-comment'>-- ^ Parser for character to escape</span>
<a name="line-307"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-308"></a><span class='hs-definition'>escaped</span> <span class='hs-varid'>parser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-309"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span>
<a name="line-310"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parser</span>
<a name="line-311"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>result</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-312"></a>
<a name="line-313"></a><a name="upperRoman"></a><span class='hs-comment'>-- | Parses an uppercase roman numeral and returns (UpperRoman, number).</span>
<a name="line-314"></a><span class='hs-definition'>upperRoman</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-315"></a><span class='hs-definition'>upperRoman</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-316"></a> <span class='hs-varid'>num</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>romanNumeral</span> <span class='hs-conid'>True</span>
<a name="line-317"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>UpperRoman</span><span class='hs-layout'>,</span> <span class='hs-varid'>num</span><span class='hs-layout'>)</span>
<a name="line-318"></a>
<a name="line-319"></a><a name="lowerRoman"></a><span class='hs-comment'>-- | Parses a lowercase roman numeral and returns (LowerRoman, number).</span>
<a name="line-320"></a><span class='hs-definition'>lowerRoman</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-321"></a><span class='hs-definition'>lowerRoman</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-322"></a> <span class='hs-varid'>num</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>romanNumeral</span> <span class='hs-conid'>False</span>
<a name="line-323"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>LowerRoman</span><span class='hs-layout'>,</span> <span class='hs-varid'>num</span><span class='hs-layout'>)</span>
<a name="line-324"></a>
<a name="line-325"></a><a name="decimal"></a><span class='hs-comment'>-- | Parses a decimal numeral and returns (Decimal, number).</span>
<a name="line-326"></a><span class='hs-definition'>decimal</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-327"></a><span class='hs-definition'>decimal</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-328"></a> <span class='hs-varid'>num</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>digit</span>
<a name="line-329"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Decimal</span><span class='hs-layout'>,</span> <span class='hs-varid'>read</span> <span class='hs-varid'>num</span><span class='hs-layout'>)</span>
<a name="line-330"></a>
<a name="line-331"></a><a name="exampleNum"></a><span class='hs-comment'>-- | Parses a '@' and optional label and</span>
<a name="line-332"></a><span class='hs-comment'>-- returns (DefaultStyle, [next example number]). The next</span>
<a name="line-333"></a><span class='hs-comment'>-- example number is incremented in parser state, and the label</span>
<a name="line-334"></a><span class='hs-comment'>-- (if present) is added to the label table.</span>
<a name="line-335"></a><span class='hs-definition'>exampleNum</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-336"></a><span class='hs-definition'>exampleNum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-337"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'@'</span>
<a name="line-338"></a> <span class='hs-varid'>lab</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-layout'>(</span><span class='hs-varid'>alphaNum</span> <span class='hs-varop'><|></span> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'_'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'-'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-339"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-340"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>num</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stateNextExample</span> <span class='hs-varid'>st</span>
<a name="line-341"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>newlabels</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>lab</span>
<a name="line-342"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>stateExamples</span> <span class='hs-varid'>st</span>
<a name="line-343"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>lab</span> <span class='hs-varid'>num</span> <span class='hs-varop'>$</span> <span class='hs-varid'>stateExamples</span> <span class='hs-varid'>st</span>
<a name="line-344"></a> <span class='hs-varid'>updateState</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span><span class='hs-layout'>{</span> <span class='hs-varid'>stateNextExample</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>num</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span>
<a name="line-345"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateExamples</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newlabels</span> <span class='hs-layout'>}</span>
<a name="line-346"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Example</span><span class='hs-layout'>,</span> <span class='hs-varid'>num</span><span class='hs-layout'>)</span>
<a name="line-347"></a>
<a name="line-348"></a><a name="defaultNum"></a><span class='hs-comment'>-- | Parses a '#' returns (DefaultStyle, 1).</span>
<a name="line-349"></a><span class='hs-definition'>defaultNum</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-350"></a><span class='hs-definition'>defaultNum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-351"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'#'</span>
<a name="line-352"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>DefaultStyle</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-353"></a>
<a name="line-354"></a><a name="lowerAlpha"></a><span class='hs-comment'>-- | Parses a lowercase letter and returns (LowerAlpha, number).</span>
<a name="line-355"></a><span class='hs-definition'>lowerAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-356"></a><span class='hs-definition'>lowerAlpha</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-357"></a> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'a'</span><span class='hs-keyglyph'>..</span><span class='hs-chr'>'z'</span><span class='hs-keyglyph'>]</span>
<a name="line-358"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>LowerAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>ord</span> <span class='hs-varid'>ch</span> <span class='hs-comment'>-</span> <span class='hs-varid'>ord</span> <span class='hs-chr'>'a'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-359"></a>
<a name="line-360"></a><a name="upperAlpha"></a><span class='hs-comment'>-- | Parses an uppercase letter and returns (UpperAlpha, number).</span>
<a name="line-361"></a><span class='hs-definition'>upperAlpha</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-362"></a><span class='hs-definition'>upperAlpha</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-363"></a> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'A'</span><span class='hs-keyglyph'>..</span><span class='hs-chr'>'Z'</span><span class='hs-keyglyph'>]</span>
<a name="line-364"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>UpperAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>ord</span> <span class='hs-varid'>ch</span> <span class='hs-comment'>-</span> <span class='hs-varid'>ord</span> <span class='hs-chr'>'A'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-365"></a>
<a name="line-366"></a><a name="romanOne"></a><span class='hs-comment'>-- | Parses a roman numeral i or I</span>
<a name="line-367"></a><span class='hs-definition'>romanOne</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-368"></a><span class='hs-definition'>romanOne</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'i'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>LowerRoman</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-369"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'I'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>UpperRoman</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-370"></a>
<a name="line-371"></a><a name="anyOrderedListMarker"></a><span class='hs-comment'>-- | Parses an ordered list marker and returns list attributes.</span>
<a name="line-372"></a><span class='hs-definition'>anyOrderedListMarker</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>ListAttributes</span>
<a name="line-373"></a><span class='hs-definition'>anyOrderedListMarker</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>choice</span> <span class='hs-varop'>$</span>
<a name="line-374"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>delimParser</span> <span class='hs-varid'>numParser</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>delimParser</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>inPeriod</span><span class='hs-layout'>,</span> <span class='hs-varid'>inOneParen</span><span class='hs-layout'>,</span> <span class='hs-varid'>inTwoParens</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span>
<a name="line-375"></a> <span class='hs-varid'>numParser</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>decimal</span><span class='hs-layout'>,</span> <span class='hs-varid'>exampleNum</span><span class='hs-layout'>,</span> <span class='hs-varid'>defaultNum</span><span class='hs-layout'>,</span> <span class='hs-varid'>romanOne</span><span class='hs-layout'>,</span>
<a name="line-376"></a> <span class='hs-varid'>lowerAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>lowerRoman</span><span class='hs-layout'>,</span> <span class='hs-varid'>upperAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>upperRoman</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-377"></a>
<a name="line-378"></a><a name="inPeriod"></a><span class='hs-comment'>-- | Parses a list number (num) followed by a period, returns list attributes.</span>
<a name="line-379"></a><span class='hs-definition'>inPeriod</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-380"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>ListAttributes</span>
<a name="line-381"></a><span class='hs-definition'>inPeriod</span> <span class='hs-varid'>num</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-382"></a> <span class='hs-layout'>(</span><span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-varid'>start</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>num</span>
<a name="line-383"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'.'</span>
<a name="line-384"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>delim</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>style</span> <span class='hs-varop'>==</span> <span class='hs-conid'>DefaultStyle</span>
<a name="line-385"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>DefaultDelim</span>
<a name="line-386"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>Period</span>
<a name="line-387"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span> <span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-varid'>delim</span><span class='hs-layout'>)</span>
<a name="line-388"></a>
<a name="line-389"></a><a name="inOneParen"></a><span class='hs-comment'>-- | Parses a list number (num) followed by a paren, returns list attributes.</span>
<a name="line-390"></a><span class='hs-definition'>inOneParen</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-391"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>ListAttributes</span>
<a name="line-392"></a><span class='hs-definition'>inOneParen</span> <span class='hs-varid'>num</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-393"></a> <span class='hs-layout'>(</span><span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-varid'>start</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>num</span>
<a name="line-394"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>')'</span>
<a name="line-395"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span> <span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-conid'>OneParen</span><span class='hs-layout'>)</span>
<a name="line-396"></a>
<a name="line-397"></a><a name="inTwoParens"></a><span class='hs-comment'>-- | Parses a list number (num) enclosed in parens, returns list attributes.</span>
<a name="line-398"></a><span class='hs-definition'>inTwoParens</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-399"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>ListAttributes</span>
<a name="line-400"></a><span class='hs-definition'>inTwoParens</span> <span class='hs-varid'>num</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-401"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'('</span>
<a name="line-402"></a> <span class='hs-layout'>(</span><span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-varid'>start</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>num</span>
<a name="line-403"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>')'</span>
<a name="line-404"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span> <span class='hs-varid'>style</span><span class='hs-layout'>,</span> <span class='hs-conid'>TwoParens</span><span class='hs-layout'>)</span>
<a name="line-405"></a>
<a name="line-406"></a><a name="orderedListMarker"></a><span class='hs-comment'>-- | Parses an ordered list marker with a given style and delimiter,</span>
<a name="line-407"></a><span class='hs-comment'>-- returns number.</span>
<a name="line-408"></a><span class='hs-definition'>orderedListMarker</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ListNumberStyle</span>
<a name="line-409"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ListNumberDelim</span>
<a name="line-410"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Int</span>
<a name="line-411"></a><span class='hs-definition'>orderedListMarker</span> <span class='hs-varid'>style</span> <span class='hs-varid'>delim</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-412"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>num</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultNum</span> <span class='hs-varop'><|></span> <span class='hs-comment'>-- # can continue any kind of list</span>
<a name="line-413"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>style</span> <span class='hs-keyword'>of</span>
<a name="line-414"></a> <span class='hs-conid'>DefaultStyle</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>decimal</span>
<a name="line-415"></a> <span class='hs-conid'>Example</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>exampleNum</span>
<a name="line-416"></a> <span class='hs-conid'>Decimal</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>decimal</span>
<a name="line-417"></a> <span class='hs-conid'>UpperRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>upperRoman</span>
<a name="line-418"></a> <span class='hs-conid'>LowerRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>lowerRoman</span>
<a name="line-419"></a> <span class='hs-conid'>UpperAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>upperAlpha</span>
<a name="line-420"></a> <span class='hs-conid'>LowerAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>lowerAlpha</span>
<a name="line-421"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>delim</span> <span class='hs-keyword'>of</span>
<a name="line-422"></a> <span class='hs-conid'>DefaultDelim</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>inPeriod</span>
<a name="line-423"></a> <span class='hs-conid'>Period</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>inPeriod</span>
<a name="line-424"></a> <span class='hs-conid'>OneParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>inOneParen</span>
<a name="line-425"></a> <span class='hs-conid'>TwoParens</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>inTwoParens</span>
<a name="line-426"></a> <span class='hs-layout'>(</span><span class='hs-varid'>start</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-keyglyph'><-</span> <span class='hs-varid'>context</span> <span class='hs-varid'>num</span>
<a name="line-427"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>start</span>
<a name="line-428"></a>
<a name="line-429"></a><a name="charRef"></a><span class='hs-comment'>-- | Parses a character reference and returns a Str element.</span>
<a name="line-430"></a><span class='hs-definition'>charRef</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-431"></a><span class='hs-definition'>charRef</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-432"></a> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>characterReference</span>
<a name="line-433"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Str</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-434"></a>
<a name="line-435"></a><a name="tableWith"></a><span class='hs-comment'>-- | Parse a table using 'headerParser', 'rowParser',</span>
<a name="line-436"></a><span class='hs-comment'>-- 'lineParser', and 'footerParser'.</span>
<a name="line-437"></a><span class='hs-definition'>tableWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Alignment</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-438"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-439"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-varid'>sep</span>
<a name="line-440"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-varid'>end</span>
<a name="line-441"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-442"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span>
<a name="line-443"></a><span class='hs-definition'>tableWith</span> <span class='hs-varid'>headerParser</span> <span class='hs-varid'>rowParser</span> <span class='hs-varid'>lineParser</span> <span class='hs-varid'>footerParser</span> <span class='hs-varid'>captionParser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-444"></a> <span class='hs-varid'>caption'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>option</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>captionParser</span>
<a name="line-445"></a> <span class='hs-layout'>(</span><span class='hs-varid'>heads</span><span class='hs-layout'>,</span> <span class='hs-varid'>aligns</span><span class='hs-layout'>,</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>headerParser</span>
<a name="line-446"></a> <span class='hs-varid'>lines'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>rowParser</span> <span class='hs-varid'>indices</span> <span class='hs-varop'>`sepEndBy`</span> <span class='hs-varid'>lineParser</span>
<a name="line-447"></a> <span class='hs-varid'>footerParser</span>
<a name="line-448"></a> <span class='hs-varid'>caption</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>caption'</span>
<a name="line-449"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>option</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>captionParser</span>
<a name="line-450"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>caption'</span>
<a name="line-451"></a> <span class='hs-varid'>state</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-452"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>numColumns</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stateColumns</span> <span class='hs-varid'>state</span>
<a name="line-453"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>widths</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>widthsFromIndices</span> <span class='hs-varid'>numColumns</span> <span class='hs-varid'>indices</span>
<a name="line-454"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Table</span> <span class='hs-varid'>caption</span> <span class='hs-varid'>aligns</span> <span class='hs-varid'>widths</span> <span class='hs-varid'>heads</span> <span class='hs-varid'>lines'</span>
<a name="line-455"></a>
<a name="line-456"></a><a name="widthsFromIndices"></a><span class='hs-comment'>-- Calculate relative widths of table columns, based on indices</span>
<a name="line-457"></a><span class='hs-definition'>widthsFromIndices</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- Number of columns on terminal</span>
<a name="line-458"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- Indices</span>
<a name="line-459"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Double</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- Fractional relative sizes of columns</span>
<a name="line-460"></a><span class='hs-definition'>widthsFromIndices</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-461"></a><span class='hs-definition'>widthsFromIndices</span> <span class='hs-varid'>numColumns'</span> <span class='hs-varid'>indices</span> <span class='hs-keyglyph'>=</span>
<a name="line-462"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>numColumns</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>max</span> <span class='hs-varid'>numColumns'</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>indices</span> <span class='hs-keyword'>then</span> <span class='hs-num'>0</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>last</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span>
<a name="line-463"></a> <span class='hs-varid'>lengths'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>zipWith</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-layout'>)</span> <span class='hs-varid'>indices</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-conop'>:</span><span class='hs-varid'>indices</span><span class='hs-layout'>)</span>
<a name="line-464"></a> <span class='hs-varid'>lengths</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span>
<a name="line-465"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>lengths'</span> <span class='hs-keyword'>of</span>
<a name="line-466"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-467"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-468"></a> <span class='hs-comment'>-- compensate for the fact that intercolumn</span>
<a name="line-469"></a> <span class='hs-comment'>-- spaces are counted in widths of all columns</span>
<a name="line-470"></a> <span class='hs-comment'>-- but the last...</span>
<a name="line-471"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-varid'>y</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>y</span> <span class='hs-comment'>-</span> <span class='hs-varid'>x</span> <span class='hs-varop'><=</span> <span class='hs-num'>2</span>
<a name="line-472"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span>
<a name="line-473"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span>
<a name="line-474"></a> <span class='hs-varid'>totLength</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sum</span> <span class='hs-varid'>lengths</span>
<a name="line-475"></a> <span class='hs-varid'>quotient</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>totLength</span> <span class='hs-varop'>></span> <span class='hs-varid'>numColumns</span>
<a name="line-476"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>totLength</span>
<a name="line-477"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>numColumns</span>
<a name="line-478"></a> <span class='hs-varid'>fracs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varop'>/</span> <span class='hs-varid'>quotient</span><span class='hs-layout'>)</span> <span class='hs-varid'>lengths</span> <span class='hs-keyword'>in</span>
<a name="line-479"></a> <span class='hs-varid'>tail</span> <span class='hs-varid'>fracs</span>
<a name="line-480"></a>
<a name="line-481"></a><a name="gridTableWith"></a><span class='hs-comment'>-- Parse a grid table: starts with row of '-' on top, then header</span>
<a name="line-482"></a><span class='hs-comment'>-- (which may be grid), then the rows,</span>
<a name="line-483"></a><span class='hs-comment'>-- which may be grid, separated by blank lines, and</span>
<a name="line-484"></a><span class='hs-comment'>-- ending with a footer (dashed line followed by blank line).</span>
<a name="line-485"></a><span class='hs-definition'>gridTableWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span> <span class='hs-comment'>-- ^ Block parser</span>
<a name="line-486"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ Caption parser</span>
<a name="line-487"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Headerless table</span>
<a name="line-488"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span>
<a name="line-489"></a><span class='hs-definition'>gridTableWith</span> <span class='hs-varid'>block</span> <span class='hs-varid'>tableCaption</span> <span class='hs-varid'>headless</span> <span class='hs-keyglyph'>=</span>
<a name="line-490"></a> <span class='hs-varid'>tableWith</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableHeader</span> <span class='hs-varid'>headless</span> <span class='hs-varid'>block</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableRow</span> <span class='hs-varid'>block</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableSep</span> <span class='hs-chr'>'-'</span><span class='hs-layout'>)</span> <span class='hs-varid'>gridTableFooter</span> <span class='hs-varid'>tableCaption</span>
<a name="line-491"></a>
<a name="line-492"></a><a name="gridTableSplitLine"></a><span class='hs-definition'>gridTableSplitLine</span> <span class='hs-keyglyph'>::</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'>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-493"></a><span class='hs-definition'>gridTableSplitLine</span> <span class='hs-varid'>indices</span> <span class='hs-varid'>line</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>removeFinalBar</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tail</span> <span class='hs-varop'>$</span>
<a name="line-494"></a> <span class='hs-varid'>splitByIndices</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>removeTrailingSpace</span> <span class='hs-varid'>line</span>
<a name="line-495"></a>
<a name="line-496"></a><a name="gridPart"></a><span class='hs-definition'>gridPart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-497"></a><span class='hs-definition'>gridPart</span> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-498"></a> <span class='hs-varid'>dashes</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-varid'>ch</span><span class='hs-layout'>)</span>
<a name="line-499"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'+'</span>
<a name="line-500"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dashes</span><span class='hs-layout'>,</span> <span class='hs-varid'>length</span> <span class='hs-varid'>dashes</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-501"></a>
<a name="line-502"></a><a name="gridDashedLines"></a><span class='hs-definition'>gridDashedLines</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-503"></a><span class='hs-definition'>gridDashedLines</span> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'+'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridPart</span> <span class='hs-varid'>ch</span><span class='hs-layout'>)</span> <span class='hs-varop'>>>~</span> <span class='hs-varid'>blankline</span>
<a name="line-504"></a>
<a name="line-505"></a><a name="removeFinalBar"></a><span class='hs-definition'>removeFinalBar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-506"></a><span class='hs-definition'>removeFinalBar</span> <span class='hs-keyglyph'>=</span>
<a name="line-507"></a> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>`elem`</span> <span class='hs-str'>" \t"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-chr'>'|'</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-508"></a>
<a name="line-509"></a><a name="gridTableSep"></a><span class='hs-comment'>-- | Separator between rows of grid table.</span>
<a name="line-510"></a><span class='hs-definition'>gridTableSep</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Char</span>
<a name="line-511"></a><span class='hs-definition'>gridTableSep</span> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>gridDashedLines</span> <span class='hs-varid'>ch</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\n'</span>
<a name="line-512"></a>
<a name="line-513"></a><a name="gridTableHeader"></a><span class='hs-comment'>-- | Parse header for a grid table.</span>
<a name="line-514"></a><span class='hs-definition'>gridTableHeader</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Headerless table</span>
<a name="line-515"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span>
<a name="line-516"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Alignment</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-517"></a><span class='hs-definition'>gridTableHeader</span> <span class='hs-varid'>headless</span> <span class='hs-varid'>block</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-518"></a> <span class='hs-varid'>optional</span> <span class='hs-varid'>blanklines</span>
<a name="line-519"></a> <span class='hs-varid'>dashes</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gridDashedLines</span> <span class='hs-chr'>'-'</span>
<a name="line-520"></a> <span class='hs-varid'>rawContent</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>headless</span>
<a name="line-521"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>repeat</span> <span class='hs-str'>""</span>
<a name="line-522"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>many1</span>
<a name="line-523"></a> <span class='hs-layout'>(</span><span class='hs-varid'>notFollowedBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableSep</span> <span class='hs-chr'>'='</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'|'</span> <span class='hs-varop'>>></span>
<a name="line-524"></a> <span class='hs-varid'>many1Till</span> <span class='hs-varid'>anyChar</span> <span class='hs-varid'>newline</span><span class='hs-layout'>)</span>
<a name="line-525"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>headless</span>
<a name="line-526"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-527"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>gridTableSep</span> <span class='hs-chr'>'='</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-528"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>lines'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varid'>dashes</span>
<a name="line-529"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>indices</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scanl</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-varid'>lines'</span>
<a name="line-530"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>aligns</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>lines'</span><span class='hs-layout'>)</span> <span class='hs-conid'>AlignDefault</span>
<a name="line-531"></a> <span class='hs-comment'>-- RST does not have a notion of alignments</span>
<a name="line-532"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>rawHeads</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>headless</span>
<a name="line-533"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dashes</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span>
<a name="line-534"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>intercalate</span> <span class='hs-str'>" "</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>transpose</span>
<a name="line-535"></a> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableSplitLine</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span> <span class='hs-varid'>rawContent</span>
<a name="line-536"></a> <span class='hs-varid'>heads</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseFromString</span> <span class='hs-varop'>$</span> <span class='hs-varid'>many</span> <span class='hs-varid'>block</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-537"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>removeLeadingTrailingSpace</span> <span class='hs-varid'>rawHeads</span>
<a name="line-538"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>heads</span><span class='hs-layout'>,</span> <span class='hs-varid'>aligns</span><span class='hs-layout'>,</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span>
<a name="line-539"></a>
<a name="line-540"></a><a name="gridTableRawLine"></a><span class='hs-definition'>gridTableRawLine</span> <span class='hs-keyglyph'>::</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'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-541"></a><span class='hs-definition'>gridTableRawLine</span> <span class='hs-varid'>indices</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-542"></a> <span class='hs-varid'>char</span> <span class='hs-chr'>'|'</span>
<a name="line-543"></a> <span class='hs-varid'>line</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1Till</span> <span class='hs-varid'>anyChar</span> <span class='hs-varid'>newline</span>
<a name="line-544"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableSplitLine</span> <span class='hs-varid'>indices</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-545"></a>
<a name="line-546"></a><a name="gridTableRow"></a><span class='hs-comment'>-- | Parse row of grid table.</span>
<a name="line-547"></a><span class='hs-definition'>gridTableRow</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span>
<a name="line-548"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span>
<a name="line-549"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-550"></a><span class='hs-definition'>gridTableRow</span> <span class='hs-varid'>block</span> <span class='hs-varid'>indices</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-551"></a> <span class='hs-varid'>colLines</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>gridTableRawLine</span> <span class='hs-varid'>indices</span><span class='hs-layout'>)</span>
<a name="line-552"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>cols</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>++</span> <span class='hs-str'>"\n"</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeOneLeadingSpace</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-553"></a> <span class='hs-varid'>transpose</span> <span class='hs-varid'>colLines</span>
<a name="line-554"></a> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span> <span class='hs-varid'>compactifyCell</span> <span class='hs-varop'>.</span> <span class='hs-varid'>parseFromString</span> <span class='hs-layout'>(</span><span class='hs-varid'>many</span> <span class='hs-varid'>block</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>cols</span>
<a name="line-555"></a>
<a name="line-556"></a><a name="removeOneLeadingSpace"></a><span class='hs-definition'>removeOneLeadingSpace</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-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-557"></a><span class='hs-definition'>removeOneLeadingSpace</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span>
<a name="line-558"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>all</span> <span class='hs-varid'>startsWithSpace</span> <span class='hs-varid'>xs</span>
<a name="line-559"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-560"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>xs</span>
<a name="line-561"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>startsWithSpace</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-562"></a> <span class='hs-varid'>startsWithSpace</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</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'>y</span> <span class='hs-varop'>==</span> <span class='hs-chr'>' '</span>
<a name="line-563"></a>
<a name="line-564"></a><a name="compactifyCell"></a><span class='hs-definition'>compactifyCell</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Block</span><span class='hs-keyglyph'>]</span>
<a name="line-565"></a><span class='hs-definition'>compactifyCell</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>head</span> <span class='hs-varop'>$</span> <span class='hs-varid'>compactify</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>bs</span><span class='hs-keyglyph'>]</span>
<a name="line-566"></a>
<a name="line-567"></a><a name="gridTableFooter"></a><span class='hs-comment'>-- | Parse footer for a grid table.</span>
<a name="line-568"></a><span class='hs-definition'>gridTableFooter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span>
<a name="line-569"></a><span class='hs-definition'>gridTableFooter</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>blanklines</span>
<a name="line-570"></a>
<a name="line-571"></a><span class='hs-comment'>---</span>
<a name="line-572"></a>
<a name="line-573"></a><a name="readWith"></a><span class='hs-comment'>-- | Parse a string with a given parser and state.</span>
<a name="line-574"></a><span class='hs-definition'>readWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>t</span> <span class='hs-conid'>ParserState</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^ parser</span>
<a name="line-575"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParserState</span> <span class='hs-comment'>-- ^ initial state</span>
<a name="line-576"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>t</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ input</span>
<a name="line-577"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-578"></a><span class='hs-definition'>readWith</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>state</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-579"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>runParser</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>state</span> <span class='hs-str'>"source"</span> <span class='hs-varid'>input</span> <span class='hs-keyword'>of</span>
<a name="line-580"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-varop'>$</span> <span class='hs-str'>"\nError:\n"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>err</span>
<a name="line-581"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>result</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>result</span>
<a name="line-582"></a>
<a name="line-583"></a><a name="testStringWith"></a><span class='hs-comment'>-- | Parse a string with @parser@ (for testing).</span>
<a name="line-584"></a><span class='hs-definition'>testStringWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-varid'>a</span>
<a name="line-585"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-586"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-587"></a><span class='hs-definition'>testStringWith</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varop'>$</span>
<a name="line-588"></a> <span class='hs-varid'>readWith</span> <span class='hs-varid'>parser</span> <span class='hs-varid'>defaultParserState</span> <span class='hs-varid'>str</span>
<a name="line-589"></a>
<a name="line-590"></a><a name="ParserState"></a><span class='hs-comment'>-- | Parsing options.</span>
<a name="line-591"></a><a name="ParserState"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ParserState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParserState</span>
<a name="line-592"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>stateParseRaw</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Parse raw HTML and LaTeX?</span>
<a name="line-593"></a> <span class='hs-varid'>stateParserContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserContext</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Inside list?</span>
<a name="line-594"></a> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QuoteContext</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Inside quoted environment?</span>
<a name="line-595"></a> <span class='hs-varid'>stateKeys</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>KeyTable</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ List of reference keys</span>
<a name="line-596"></a> <span class='hs-varid'>stateCitations</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-layout'>,</span> <span class='hs-comment'>-- ^ List of available citations</span>
<a name="line-597"></a> <span class='hs-varid'>stateNotes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>NoteTable</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ List of notes</span>
<a name="line-598"></a> <span class='hs-varid'>stateTabStop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Tab stop</span>
<a name="line-599"></a> <span class='hs-varid'>stateStandalone</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Parse bibliographic info?</span>
<a name="line-600"></a> <span class='hs-varid'>stateTitle</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Title of document</span>
<a name="line-601"></a> <span class='hs-varid'>stateAuthors</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Authors of document</span>
<a name="line-602"></a> <span class='hs-varid'>stateDate</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Date of document</span>
<a name="line-603"></a> <span class='hs-varid'>stateStrict</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Use strict markdown syntax?</span>
<a name="line-604"></a> <span class='hs-varid'>stateSmart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Use smart typography?</span>
<a name="line-605"></a> <span class='hs-varid'>stateLiterateHaskell</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Treat input as literate haskell</span>
<a name="line-606"></a> <span class='hs-varid'>stateColumns</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Number of columns in terminal</span>
<a name="line-607"></a> <span class='hs-varid'>stateHeaderTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>HeaderType</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Ordered list of header types used</span>
<a name="line-608"></a> <span class='hs-varid'>stateIndentedCodeClasses</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-layout'>,</span> <span class='hs-comment'>-- ^ Classes to use for indented code blocks</span>
<a name="line-609"></a> <span class='hs-varid'>stateNextExample</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Number of next example</span>
<a name="line-610"></a> <span class='hs-varid'>stateExamples</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Map from example labels to numbers </span>
<a name="line-611"></a> <span class='hs-varid'>stateHasChapters</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ True if \chapter encountered</span>
<a name="line-612"></a> <span class='hs-varid'>stateApplyMacros</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- ^ Apply LaTeX macros?</span>
<a name="line-613"></a> <span class='hs-varid'>stateMacros</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Macro</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ List of macros defined so far</span>
<a name="line-614"></a> <span class='hs-layout'>}</span>
<a name="line-615"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-616"></a>
<a name="line-617"></a><a name="defaultParserState"></a><span class='hs-definition'>defaultParserState</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserState</span>
<a name="line-618"></a><span class='hs-definition'>defaultParserState</span> <span class='hs-keyglyph'>=</span>
<a name="line-619"></a> <span class='hs-conid'>ParserState</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stateParseRaw</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-620"></a> <span class='hs-varid'>stateParserContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NullState</span><span class='hs-layout'>,</span>
<a name="line-621"></a> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoQuote</span><span class='hs-layout'>,</span>
<a name="line-622"></a> <span class='hs-varid'>stateKeys</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>,</span>
<a name="line-623"></a> <span class='hs-varid'>stateCitations</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-624"></a> <span class='hs-varid'>stateNotes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-625"></a> <span class='hs-varid'>stateTabStop</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span><span class='hs-layout'>,</span>
<a name="line-626"></a> <span class='hs-varid'>stateStandalone</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-627"></a> <span class='hs-varid'>stateTitle</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-628"></a> <span class='hs-varid'>stateAuthors</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-629"></a> <span class='hs-varid'>stateDate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-630"></a> <span class='hs-varid'>stateStrict</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-631"></a> <span class='hs-varid'>stateSmart</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-632"></a> <span class='hs-varid'>stateLiterateHaskell</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-633"></a> <span class='hs-varid'>stateColumns</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>80</span><span class='hs-layout'>,</span>
<a name="line-634"></a> <span class='hs-varid'>stateHeaderTable</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-635"></a> <span class='hs-varid'>stateIndentedCodeClasses</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span>
<a name="line-636"></a> <span class='hs-varid'>stateNextExample</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-637"></a> <span class='hs-varid'>stateExamples</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span><span class='hs-layout'>,</span>
<a name="line-638"></a> <span class='hs-varid'>stateHasChapters</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span>
<a name="line-639"></a> <span class='hs-varid'>stateApplyMacros</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span>
<a name="line-640"></a> <span class='hs-varid'>stateMacros</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>}</span>
<a name="line-641"></a>
<a name="line-642"></a><a name="HeaderType"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HeaderType</span>
<a name="line-643"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SingleHeader</span> <span class='hs-conid'>Char</span> <span class='hs-comment'>-- ^ Single line of characters underneath</span>
<a name="line-644"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DoubleHeader</span> <span class='hs-conid'>Char</span> <span class='hs-comment'>-- ^ Lines of characters above and below</span>
<a name="line-645"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-646"></a>
<a name="line-647"></a><a name="ParserContext"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ParserContext</span>
<a name="line-648"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ListItemState</span> <span class='hs-comment'>-- ^ Used when running parser on list item contents</span>
<a name="line-649"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NullState</span> <span class='hs-comment'>-- ^ Default state</span>
<a name="line-650"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-651"></a>
<a name="line-652"></a><a name="QuoteContext"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>QuoteContext</span>
<a name="line-653"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>InSingleQuote</span> <span class='hs-comment'>-- ^ Used when parsing inside single quotes</span>
<a name="line-654"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>InDoubleQuote</span> <span class='hs-comment'>-- ^ Used when parsing inside double quotes</span>
<a name="line-655"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoQuote</span> <span class='hs-comment'>-- ^ Used when not parsing inside quotes</span>
<a name="line-656"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-657"></a>
<a name="line-658"></a><a name="NoteTable"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>NoteTable</span> <span class='hs-keyglyph'>=</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>
<a name="line-659"></a>
<a name="line-660"></a><a name="Key"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Key</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Key</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>)</span>
<a name="line-661"></a>
<a name="line-662"></a><a name="toKey"></a><span class='hs-definition'>toKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Key</span>
<a name="line-663"></a><span class='hs-definition'>toKey</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Key</span> <span class='hs-varop'>.</span> <span class='hs-varid'>bottomUp</span> <span class='hs-varid'>lowercase</span>
<a name="line-664"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>lowercase</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Inline</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Inline</span>
<a name="line-665"></a> <span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Str</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-666"></a> <span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-conid'>Math</span> <span class='hs-varid'>t</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Math</span> <span class='hs-varid'>t</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-667"></a> <span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-conid'>Code</span> <span class='hs-varid'>attr</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Code</span> <span class='hs-varid'>attr</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-668"></a> <span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-conid'>RawInline</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RawInline</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-669"></a> <span class='hs-varid'>lowercase</span> <span class='hs-conid'>LineBreak</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Space</span>
<a name="line-670"></a> <span class='hs-varid'>lowercase</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-671"></a>
<a name="line-672"></a><a name="fromKey"></a><span class='hs-definition'>fromKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Key</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-673"></a><span class='hs-definition'>fromKey</span> <span class='hs-layout'>(</span><span class='hs-conid'>Key</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xs</span>
<a name="line-674"></a>
<a name="line-675"></a><a name="KeyTable"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>KeyTable</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>Key</span> <span class='hs-conid'>Target</span>
<a name="line-676"></a>
<a name="line-677"></a><a name="lookupKeySrc"></a><span class='hs-comment'>-- | Look up key in key table and return target object.</span>
<a name="line-678"></a><span class='hs-definition'>lookupKeySrc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>KeyTable</span> <span class='hs-comment'>-- ^ Key table</span>
<a name="line-679"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Key</span> <span class='hs-comment'>-- ^ Key</span>
<a name="line-680"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Target</span>
<a name="line-681"></a><span class='hs-definition'>lookupKeySrc</span> <span class='hs-varid'>table</span> <span class='hs-varid'>key</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>key</span> <span class='hs-varid'>table</span> <span class='hs-keyword'>of</span>
<a name="line-682"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-683"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>src</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>src</span>
<a name="line-684"></a>
<a name="line-685"></a><a name="failUnlessSmart"></a><span class='hs-comment'>-- | Fail unless we're in "smart typography" mode.</span>
<a name="line-686"></a><span class='hs-definition'>failUnlessSmart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-687"></a><span class='hs-definition'>failUnlessSmart</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getState</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>guard</span> <span class='hs-varop'>.</span> <span class='hs-varid'>stateSmart</span>
<a name="line-688"></a>
<a name="line-689"></a><a name="smartPunctuation"></a><span class='hs-definition'>smartPunctuation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-690"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-691"></a><span class='hs-definition'>smartPunctuation</span> <span class='hs-varid'>inlineParser</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-692"></a> <span class='hs-varid'>failUnlessSmart</span>
<a name="line-693"></a> <span class='hs-varid'>choice</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>quoted</span> <span class='hs-varid'>inlineParser</span><span class='hs-layout'>,</span> <span class='hs-varid'>apostrophe</span><span class='hs-layout'>,</span> <span class='hs-varid'>dash</span><span class='hs-layout'>,</span> <span class='hs-varid'>ellipses</span> <span class='hs-keyglyph'>]</span>
<a name="line-694"></a>
<a name="line-695"></a><a name="apostrophe"></a><span class='hs-definition'>apostrophe</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-696"></a><span class='hs-definition'>apostrophe</span> <span class='hs-keyglyph'>=</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'>char</span> <span class='hs-chr'>'\8217'</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Apostrophe</span>
<a name="line-697"></a>
<a name="line-698"></a><a name="quoted"></a><span class='hs-definition'>quoted</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-699"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-700"></a><span class='hs-definition'>quoted</span> <span class='hs-varid'>inlineParser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doubleQuoted</span> <span class='hs-varid'>inlineParser</span> <span class='hs-varop'><|></span> <span class='hs-varid'>singleQuoted</span> <span class='hs-varid'>inlineParser</span>
<a name="line-701"></a>
<a name="line-702"></a><a name="withQuoteContext"></a><span class='hs-definition'>withQuoteContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QuoteContext</span>
<a name="line-703"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span><span class='hs-layout'>)</span>
<a name="line-704"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-705"></a><span class='hs-definition'>withQuoteContext</span> <span class='hs-varid'>context</span> <span class='hs-varid'>parser</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-706"></a> <span class='hs-varid'>oldState</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-707"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>oldQuoteContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-varid'>oldState</span>
<a name="line-708"></a> <span class='hs-varid'>setState</span> <span class='hs-varid'>oldState</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>context</span> <span class='hs-layout'>}</span>
<a name="line-709"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parser</span>
<a name="line-710"></a> <span class='hs-varid'>newState</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-711"></a> <span class='hs-varid'>setState</span> <span class='hs-varid'>newState</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oldQuoteContext</span> <span class='hs-layout'>}</span>
<a name="line-712"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>result</span>
<a name="line-713"></a>
<a name="line-714"></a><a name="singleQuoted"></a><span class='hs-definition'>singleQuoted</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-715"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-716"></a><span class='hs-definition'>singleQuoted</span> <span class='hs-varid'>inlineParser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-717"></a> <span class='hs-varid'>singleQuoteStart</span>
<a name="line-718"></a> <span class='hs-varid'>withQuoteContext</span> <span class='hs-conid'>InSingleQuote</span> <span class='hs-varop'>$</span> <span class='hs-varid'>many1Till</span> <span class='hs-varid'>inlineParser</span> <span class='hs-varid'>singleQuoteEnd</span> <span class='hs-varop'>>>=</span>
<a name="line-719"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Quoted</span> <span class='hs-conid'>SingleQuote</span> <span class='hs-varop'>.</span> <span class='hs-varid'>normalizeSpaces</span>
<a name="line-720"></a>
<a name="line-721"></a><a name="doubleQuoted"></a><span class='hs-definition'>doubleQuoted</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-722"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Inline</span>
<a name="line-723"></a><span class='hs-definition'>doubleQuoted</span> <span class='hs-varid'>inlineParser</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-724"></a> <span class='hs-varid'>doubleQuoteStart</span>
<a name="line-725"></a> <span class='hs-varid'>withQuoteContext</span> <span class='hs-conid'>InDoubleQuote</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-726"></a> <span class='hs-varid'>contents</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>manyTill</span> <span class='hs-varid'>inlineParser</span> <span class='hs-varid'>doubleQuoteEnd</span>
<a name="line-727"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Quoted</span> <span class='hs-conid'>DoubleQuote</span> <span class='hs-varop'>.</span> <span class='hs-varid'>normalizeSpaces</span> <span class='hs-varop'>$</span> <span class='hs-varid'>contents</span>
<a name="line-728"></a>
<a name="line-729"></a><a name="failIfInQuoteContext"></a><span class='hs-definition'>failIfInQuoteContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QuoteContext</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-730"></a><span class='hs-definition'>failIfInQuoteContext</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-731"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getState</span>
<a name="line-732"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>stateQuoteContext</span> <span class='hs-varid'>st</span> <span class='hs-varop'>==</span> <span class='hs-varid'>context</span>
<a name="line-733"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fail</span> <span class='hs-str'>"already inside quotes"</span>
<a name="line-734"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-735"></a>
<a name="line-736"></a><a name="charOrRef"></a><span class='hs-definition'>charOrRef</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Char</span>
<a name="line-737"></a><span class='hs-definition'>charOrRef</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span>
<a name="line-738"></a> <span class='hs-varid'>oneOf</span> <span class='hs-varid'>cs</span> <span class='hs-varop'><|></span> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>characterReference</span>
<a name="line-739"></a> <span class='hs-varid'>guard</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span>
<a name="line-740"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-741"></a>
<a name="line-742"></a><a name="singleQuoteStart"></a><span class='hs-definition'>singleQuoteStart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-743"></a><span class='hs-definition'>singleQuoteStart</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-744"></a> <span class='hs-varid'>failIfInQuoteContext</span> <span class='hs-conid'>InSingleQuote</span>
<a name="line-745"></a> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>charOrRef</span> <span class='hs-str'>"'\8216"</span>
<a name="line-746"></a> <span class='hs-varid'>notFollowedBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>oneOf</span> <span class='hs-str'>")!],.;:-? \t\n"</span><span class='hs-layout'>)</span>
<a name="line-747"></a> <span class='hs-varid'>notFollowedBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>oneOfStrings</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"s"</span><span class='hs-layout'>,</span><span class='hs-str'>"t"</span><span class='hs-layout'>,</span><span class='hs-str'>"m"</span><span class='hs-layout'>,</span><span class='hs-str'>"ve"</span><span class='hs-layout'>,</span><span class='hs-str'>"ll"</span><span class='hs-layout'>,</span><span class='hs-str'>"re"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>>></span>
<a name="line-748"></a> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isAlphaNum</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-749"></a> <span class='hs-comment'>-- possess/contraction</span>
<a name="line-750"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-751"></a>
<a name="line-752"></a><a name="singleQuoteEnd"></a><span class='hs-definition'>singleQuoteEnd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>()</span>
<a name="line-753"></a><span class='hs-definition'>singleQuoteEnd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-754"></a> <span class='hs-varid'>charOrRef</span> <span class='hs-str'>"'\8217"</span>
<a name="line-755"></a> <span class='hs-varid'>notFollowedBy</span> <span class='hs-varid'>alphaNum</span>
<a name="line-756"></a>
<a name="line-757"></a><a name="doubleQuoteStart"></a><span class='hs-definition'>doubleQuoteStart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>()</span>
<a name="line-758"></a><span class='hs-definition'>doubleQuoteStart</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-759"></a> <span class='hs-varid'>failIfInQuoteContext</span> <span class='hs-conid'>InDoubleQuote</span>
<a name="line-760"></a> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>charOrRef</span> <span class='hs-str'>"\"\8220"</span>
<a name="line-761"></a> <span class='hs-varid'>notFollowedBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\t'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-762"></a>
<a name="line-763"></a><a name="doubleQuoteEnd"></a><span class='hs-definition'>doubleQuoteEnd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>()</span>
<a name="line-764"></a><span class='hs-definition'>doubleQuoteEnd</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-765"></a> <span class='hs-varid'>charOrRef</span> <span class='hs-str'>"\"\8221"</span>
<a name="line-766"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-767"></a>
<a name="line-768"></a><a name="ellipses"></a><span class='hs-definition'>ellipses</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-769"></a><span class='hs-definition'>ellipses</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-770"></a> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>charOrRef</span> <span class='hs-str'>"…"</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></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-771"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>Ellipses</span>
<a name="line-772"></a>
<a name="line-773"></a><a name="dash"></a><span class='hs-definition'>dash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-774"></a><span class='hs-definition'>dash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>enDash</span> <span class='hs-varop'><|></span> <span class='hs-varid'>emDash</span>
<a name="line-775"></a>
<a name="line-776"></a><a name="enDash"></a><span class='hs-definition'>enDash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-777"></a><span class='hs-definition'>enDash</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-778"></a> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>charOrRef</span> <span class='hs-str'>"–"</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-779"></a> <span class='hs-varid'>try</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'>lookAhead</span> <span class='hs-layout'>(</span><span class='hs-varid'>satisfy</span> <span class='hs-varid'>isDigit</span><span class='hs-layout'>)</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-780"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>EnDash</span>
<a name="line-781"></a>
<a name="line-782"></a><a name="emDash"></a><span class='hs-definition'>emDash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-varid'>st</span> <span class='hs-conid'>Inline</span>
<a name="line-783"></a><span class='hs-definition'>emDash</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-784"></a> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>charOrRef</span> <span class='hs-str'>"—"</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>string</span> <span class='hs-str'>"--"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>optional</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-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'—'</span><span class='hs-layout'>)</span>
<a name="line-785"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>EmDash</span>
<a name="line-786"></a>
<a name="line-787"></a><span class='hs-comment'>--</span>
<a name="line-788"></a><span class='hs-comment'>-- Macros</span>
<a name="line-789"></a><span class='hs-comment'>--</span>
<a name="line-790"></a>
<a name="line-791"></a><a name="macro"></a><span class='hs-comment'>-- | Parse a \newcommand or \renewcommand macro definition.</span>
<a name="line-792"></a><span class='hs-definition'>macro</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>Block</span>
<a name="line-793"></a><span class='hs-definition'>macro</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-794"></a> <span class='hs-varid'>getState</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>guard</span> <span class='hs-varop'>.</span> <span class='hs-varid'>stateApplyMacros</span>
<a name="line-795"></a> <span class='hs-varid'>inp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-796"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>parseMacroDefinitions</span> <span class='hs-varid'>inp</span> <span class='hs-keyword'>of</span>
<a name="line-797"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</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'>pzero</span>
<a name="line-798"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>count</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>inp</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>anyChar</span>
<a name="line-799"></a> <span class='hs-varid'>updateState</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span>
<a name="line-800"></a> <span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>stateMacros</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ms</span> <span class='hs-varop'>++</span> <span class='hs-varid'>stateMacros</span> <span class='hs-varid'>st</span> <span class='hs-layout'>}</span>
<a name="line-801"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>Null</span>
<a name="line-802"></a>
<a name="line-803"></a><a name="applyMacros'"></a><span class='hs-comment'>-- | Apply current macros to string.</span>
<a name="line-804"></a><span class='hs-definition'>applyMacros'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GenParser</span> <span class='hs-conid'>Char</span> <span class='hs-conid'>ParserState</span> <span class='hs-conid'>String</span>
<a name="line-805"></a><span class='hs-definition'>applyMacros'</span> <span class='hs-varid'>target</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-806"></a> <span class='hs-varid'>apply</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftM</span> <span class='hs-varid'>stateApplyMacros</span> <span class='hs-varid'>getState</span>
<a name="line-807"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>apply</span>
<a name="line-808"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>macros</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftM</span> <span class='hs-varid'>stateMacros</span> <span class='hs-varid'>getState</span>
<a name="line-809"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>applyMacros</span> <span class='hs-varid'>macros</span> <span class='hs-varid'>target</span>
<a name="line-810"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>target</span>
<a name="line-811"></a>
</pre></body>
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