<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ -->
<title>src/Text/Pandoc/Shared.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-
<a name="line-3"></a>Copyright (C) 2006-2010 John MacFarlane <jgm@berkeley.edu>
<a name="line-4"></a>
<a name="line-5"></a>This program is free software; you can redistribute it and/or modify
<a name="line-6"></a>it under the terms of the GNU General Public License as published by
<a name="line-7"></a>the Free Software Foundation; either version 2 of the License, or
<a name="line-8"></a>(at your option) any later version.
<a name="line-9"></a>
<a name="line-10"></a>This program is distributed in the hope that it will be useful,
<a name="line-11"></a>but WITHOUT ANY WARRANTY; without even the implied warranty of
<a name="line-12"></a>MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
<a name="line-13"></a>GNU General Public License for more details.
<a name="line-14"></a>
<a name="line-15"></a>You should have received a copy of the GNU General Public License
<a name="line-16"></a>along with this program; if not, write to the Free Software
<a name="line-17"></a>Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
<a name="line-18"></a>-}</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-comment'>{- |
<a name="line-21"></a> Module : Text.Pandoc.Shared
<a name="line-22"></a> Copyright : Copyright (C) 2006-2010 John MacFarlane
<a name="line-23"></a> License : GNU GPL, version 2 or above
<a name="line-24"></a>
<a name="line-25"></a> Maintainer : John MacFarlane <jgm@berkeley.edu>
<a name="line-26"></a> Stability : alpha
<a name="line-27"></a> Portability : portable
<a name="line-28"></a>
<a name="line-29"></a>Utility functions and definitions used by the various Pandoc modules.
<a name="line-30"></a>-}</span>
<a name="line-31"></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'>Shared</span> <span class='hs-layout'>(</span>
<a name="line-32"></a> <span class='hs-comment'>-- * List processing</span>
<a name="line-33"></a> <span class='hs-varid'>splitBy</span><span class='hs-layout'>,</span>
<a name="line-34"></a> <span class='hs-varid'>splitByIndices</span><span class='hs-layout'>,</span>
<a name="line-35"></a> <span class='hs-varid'>substitute</span><span class='hs-layout'>,</span>
<a name="line-36"></a> <span class='hs-comment'>-- * Text processing</span>
<a name="line-37"></a> <span class='hs-varid'>backslashEscapes</span><span class='hs-layout'>,</span>
<a name="line-38"></a> <span class='hs-varid'>escapeStringUsing</span><span class='hs-layout'>,</span>
<a name="line-39"></a> <span class='hs-varid'>stripTrailingNewlines</span><span class='hs-layout'>,</span>
<a name="line-40"></a> <span class='hs-varid'>removeLeadingTrailingSpace</span><span class='hs-layout'>,</span>
<a name="line-41"></a> <span class='hs-varid'>removeLeadingSpace</span><span class='hs-layout'>,</span>
<a name="line-42"></a> <span class='hs-varid'>removeTrailingSpace</span><span class='hs-layout'>,</span>
<a name="line-43"></a> <span class='hs-varid'>stripFirstAndLast</span><span class='hs-layout'>,</span>
<a name="line-44"></a> <span class='hs-varid'>camelCaseToHyphenated</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>toRomanNumeral</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-varid'>escapeURI</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-varid'>unescapeURI</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-varid'>tabFilter</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-comment'>-- * Prettyprinting</span>
<a name="line-50"></a> <span class='hs-varid'>wrapped</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-varid'>wrapIfNeeded</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-varid'>wrappedTeX</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-varid'>wrapTeXIfNeeded</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-conid'>BlockWrapper</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-varid'>wrappedBlocksToDoc</span><span class='hs-layout'>,</span>
<a name="line-56"></a> <span class='hs-varid'>hang'</span><span class='hs-layout'>,</span>
<a name="line-57"></a> <span class='hs-comment'>-- * Pandoc block and inline list processing</span>
<a name="line-58"></a> <span class='hs-varid'>orderedListMarkers</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-varid'>normalizeSpaces</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-varid'>compactify</span><span class='hs-layout'>,</span>
<a name="line-61"></a> <span class='hs-conid'>Element</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-varid'>hierarchicalize</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-varid'>uniqueIdent</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>isHeaderBlock</span><span class='hs-layout'>,</span>
<a name="line-65"></a> <span class='hs-varid'>headerShift</span><span class='hs-layout'>,</span>
<a name="line-66"></a> <span class='hs-comment'>-- * Writer options</span>
<a name="line-67"></a> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-68"></a> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-69"></a> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-70"></a> <span class='hs-conid'>WriterOptions</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-71"></a> <span class='hs-varid'>defaultWriterOptions</span><span class='hs-layout'>,</span>
<a name="line-72"></a> <span class='hs-comment'>-- * File handling</span>
<a name="line-73"></a> <span class='hs-varid'>inDirectory</span><span class='hs-layout'>,</span>
<a name="line-74"></a> <span class='hs-varid'>readDataFile</span>
<a name="line-75"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-76"></a>
<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'>Definition</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'>readFile</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'>PrettyPrint</span><span class='hs-varop'>.</span><span class='hs-conid'>HughesPJ</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-varid'>fsep</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>$$</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span><span class='hs-layout'>,</span> <span class='hs-varid'>isEmpty</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span><span class='hs-layout'>,</span> <span class='hs-varid'>nest</span> <span class='hs-layout'>)</span>
<a name="line-80"></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'>PrettyPrint</span><span class='hs-varop'>.</span><span class='hs-conid'>HughesPJ</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>PP</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'>isLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isUpper</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAlpha</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAscii</span><span class='hs-layout'>,</span>
<a name="line-82"></a> <span class='hs-varid'>isLetter</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDigit</span> <span class='hs-layout'>)</span>
<a name="line-83"></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'>find</span><span class='hs-layout'>,</span> <span class='hs-varid'>isPrefixOf</span><span class='hs-layout'>,</span> <span class='hs-varid'>intercalate</span> <span class='hs-layout'>)</span>
<a name="line-84"></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'>isAllowedInURI</span><span class='hs-layout'>,</span> <span class='hs-varid'>escapeURIString</span><span class='hs-layout'>,</span> <span class='hs-varid'>unEscapeString</span> <span class='hs-layout'>)</span>
<a name="line-85"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Codec</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span> <span class='hs-layout'>(</span> <span class='hs-varid'>encodeString</span><span class='hs-layout'>,</span> <span class='hs-varid'>decodeString</span> <span class='hs-layout'>)</span>
<a name="line-86"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span>
<a name="line-87"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</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-88"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Generics</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>)</span>
<a name="line-89"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span>
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Paths_pandoc</span> <span class='hs-layout'>(</span><span class='hs-varid'>getDataFileName</span><span class='hs-layout'>)</span>
<a name="line-91"></a>
<a name="line-92"></a><span class='hs-comment'>--</span>
<a name="line-93"></a><span class='hs-comment'>-- List processing</span>
<a name="line-94"></a><span class='hs-comment'>--</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="splitBy"></a><span class='hs-comment'>-- | Split list by groups of one or more sep.</span>
<a name="line-97"></a><span class='hs-definition'>splitBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-98"></a><span class='hs-definition'>splitBy</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-99"></a><span class='hs-definition'>splitBy</span> <span class='hs-varid'>sep</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span>
<a name="line-100"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</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-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-varid'>sep</span><span class='hs-layout'>)</span> <span class='hs-varid'>lst</span>
<a name="line-101"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-varid'>sep</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest</span>
<a name="line-102"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>splitBy</span> <span class='hs-varid'>sep</span> <span class='hs-varid'>rest'</span><span class='hs-layout'>)</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="splitByIndices"></a><span class='hs-comment'>-- | Split list into chunks divided at specified indices.</span>
<a name="line-105"></a><span class='hs-definition'>splitByIndices</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-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-106"></a><span class='hs-definition'>splitByIndices</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>lst</span><span class='hs-keyglyph'>]</span>
<a name="line-107"></a><span class='hs-definition'>splitByIndices</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-varid'>lst</span> <span class='hs-keyglyph'>=</span>
<a name="line-108"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</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-varid'>splitAt</span> <span class='hs-varid'>x</span> <span class='hs-varid'>lst</span> <span class='hs-keyword'>in</span>
<a name="line-109"></a> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>splitByIndices</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>y</span> <span class='hs-comment'>-</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="substitute"></a><span class='hs-comment'>-- | Replace each occurrence of one sublist in a list with another.</span>
<a name="line-112"></a><span class='hs-definition'>substitute</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-113"></a><span class='hs-definition'>substitute</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-114"></a><span class='hs-definition'>substitute</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xs</span>
<a name="line-115"></a><span class='hs-definition'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-varid'>lst</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-116"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>target</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>lst</span>
<a name="line-117"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>replacement</span> <span class='hs-varop'>++</span> <span class='hs-varid'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>target</span><span class='hs-layout'>)</span> <span class='hs-varid'>lst</span><span class='hs-layout'>)</span>
<a name="line-118"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>substitute</span> <span class='hs-varid'>target</span> <span class='hs-varid'>replacement</span> <span class='hs-varid'>xs</span>
<a name="line-119"></a>
<a name="line-120"></a><span class='hs-comment'>--</span>
<a name="line-121"></a><span class='hs-comment'>-- Text processing</span>
<a name="line-122"></a><span class='hs-comment'>--</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="backslashEscapes"></a><span class='hs-comment'>-- | Returns an association list of backslash escapes for the</span>
<a name="line-125"></a><span class='hs-comment'>-- designated characters.</span>
<a name="line-126"></a><span class='hs-definition'>backslashEscapes</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-comment'>-- ^ list of special characters to escape</span>
<a name="line-127"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Char</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-128"></a><span class='hs-definition'>backslashEscapes</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'>ch</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>ch</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'\\'</span><span class='hs-layout'>,</span><span class='hs-varid'>ch</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="escapeStringUsing"></a><span class='hs-comment'>-- | Escape a string of characters, using an association list of</span>
<a name="line-131"></a><span class='hs-comment'>-- characters and strings.</span>
<a name="line-132"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Char</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-133"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-134"></a><span class='hs-definition'>escapeStringUsing</span> <span class='hs-varid'>escapeTable</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>
<a name="line-135"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>x</span> <span class='hs-varid'>escapeTable</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-136"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-varid'>rest</span>
<a name="line-137"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span>
<a name="line-138"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeStringUsing</span> <span class='hs-varid'>escapeTable</span> <span class='hs-varid'>xs</span>
<a name="line-139"></a>
<a name="line-140"></a><a name="stripTrailingNewlines"></a><span class='hs-comment'>-- | Strip trailing newlines from string.</span>
<a name="line-141"></a><span class='hs-definition'>stripTrailingNewlines</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-142"></a><span class='hs-definition'>stripTrailingNewlines</span> <span class='hs-keyglyph'>=</span> <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'>==</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="removeLeadingTrailingSpace"></a><span class='hs-comment'>-- | Remove leading and trailing space (including newlines) from string.</span>
<a name="line-145"></a><span class='hs-definition'>removeLeadingTrailingSpace</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-146"></a><span class='hs-definition'>removeLeadingTrailingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeLeadingSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeTrailingSpace</span>
<a name="line-147"></a>
<a name="line-148"></a><a name="removeLeadingSpace"></a><span class='hs-comment'>-- | Remove leading space (including newlines) from string.</span>
<a name="line-149"></a><span class='hs-definition'>removeLeadingSpace</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-150"></a><span class='hs-definition'>removeLeadingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>`elem`</span> <span class='hs-str'>" \n\t"</span><span class='hs-layout'>)</span>
<a name="line-151"></a>
<a name="line-152"></a><a name="removeTrailingSpace"></a><span class='hs-comment'>-- | Remove trailing space (including newlines) from string.</span>
<a name="line-153"></a><span class='hs-definition'>removeTrailingSpace</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-154"></a><span class='hs-definition'>removeTrailingSpace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>removeLeadingSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="stripFirstAndLast"></a><span class='hs-comment'>-- | Strip leading and trailing characters from string</span>
<a name="line-157"></a><span class='hs-definition'>stripFirstAndLast</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-158"></a><span class='hs-definition'>stripFirstAndLast</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span>
<a name="line-159"></a> <span class='hs-varid'>drop</span> <span class='hs-num'>1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>str</span>
<a name="line-160"></a>
<a name="line-161"></a><a name="camelCaseToHyphenated"></a><span class='hs-comment'>-- | Change CamelCase word to hyphenated lowercase (e.g., camel-case). </span>
<a name="line-162"></a><span class='hs-definition'>camelCaseToHyphenated</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-163"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-164"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>b</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isLower</span> <span class='hs-varid'>a</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>isUpper</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span>
<a name="line-165"></a> <span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>camelCaseToHyphenated</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-166"></a><span class='hs-definition'>camelCaseToHyphenated</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>camelCaseToHyphenated</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-167"></a>
<a name="line-168"></a><a name="toRomanNumeral"></a><span class='hs-comment'>-- | Convert number < 4000 to uppercase roman numeral.</span>
<a name="line-169"></a><span class='hs-definition'>toRomanNumeral</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-170"></a><span class='hs-definition'>toRomanNumeral</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-171"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>4000</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span>
<a name="line-172"></a> <span class='hs-keyword'>then</span> <span class='hs-str'>"?"</span>
<a name="line-173"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-174"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1000</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"M"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>1000</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>900</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"CM"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>900</span><span class='hs-layout'>)</span>
<a name="line-176"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>500</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"D"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>500</span><span class='hs-layout'>)</span>
<a name="line-177"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>400</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"CD"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>400</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>100</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"C"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>100</span><span class='hs-layout'>)</span>
<a name="line-179"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>90</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"XC"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>90</span><span class='hs-layout'>)</span>
<a name="line-180"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>50</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"L"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>50</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>40</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"XL"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>40</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>10</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"X"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>10</span><span class='hs-layout'>)</span>
<a name="line-183"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>9</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"IX"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>5</span><span class='hs-layout'>)</span>
<a name="line-184"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>5</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"V"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>5</span><span class='hs-layout'>)</span>
<a name="line-185"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>4</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"IV"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>4</span><span class='hs-layout'>)</span>
<a name="line-186"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"I"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-188"></a>
<a name="line-189"></a><a name="escapeURI"></a><span class='hs-comment'>-- | Escape unicode characters in a URI. Characters that are</span>
<a name="line-190"></a><span class='hs-comment'>-- already valid in a URI, including % and ?, are left alone.</span>
<a name="line-191"></a><span class='hs-definition'>escapeURI</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-192"></a><span class='hs-definition'>escapeURI</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeURIString</span> <span class='hs-varid'>isAllowedInURI</span> <span class='hs-varop'>.</span> <span class='hs-varid'>encodeString</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="unescapeURI"></a><span class='hs-comment'>-- | Unescape unicode and some special characters in a URI, but</span>
<a name="line-195"></a><span class='hs-comment'>-- without introducing spaces.</span>
<a name="line-196"></a><span class='hs-definition'>unescapeURI</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-197"></a><span class='hs-definition'>unescapeURI</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeURIString</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'>isAllowedInURI</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</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-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-198"></a> <span class='hs-varid'>decodeString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unEscapeString</span>
<a name="line-199"></a>
<a name="line-200"></a><a name="tabFilter"></a><span class='hs-comment'>-- | Convert tabs to spaces and filter out DOS line endings.</span>
<a name="line-201"></a><span class='hs-comment'>-- Tabs will be preserved if tab stop is set to 0.</span>
<a name="line-202"></a><span class='hs-definition'>tabFilter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Tab stop</span>
<a name="line-203"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Input</span>
<a name="line-204"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-205"></a><span class='hs-definition'>tabFilter</span> <span class='hs-varid'>tabStop</span> <span class='hs-keyglyph'>=</span>
<a name="line-206"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-207"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</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-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-208"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\r'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</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-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-209"></a> <span class='hs-varid'>go</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\r'</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-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-210"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>spsToNextStop</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\t'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-211"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>tabStop</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span>
<a name="line-212"></a> <span class='hs-keyword'>then</span> <span class='hs-chr'>'\t'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-213"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>replicate</span> <span class='hs-varid'>spsToNextStop</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>++</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-214"></a> <span class='hs-varid'>go</span> <span class='hs-num'>1</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>
<a name="line-215"></a> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span> <span class='hs-varid'>xs</span>
<a name="line-216"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>spsToNextStop</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>
<a name="line-217"></a> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>spsToNextStop</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-218"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>go</span> <span class='hs-varid'>tabStop</span>
<a name="line-219"></a>
<a name="line-220"></a><span class='hs-comment'>--</span>
<a name="line-221"></a><span class='hs-comment'>-- Prettyprinting</span>
<a name="line-222"></a><span class='hs-comment'>--</span>
<a name="line-223"></a>
<a name="line-224"></a><a name="wrapped"></a><span class='hs-comment'>-- | Wrap inlines to line length.</span>
<a name="line-225"></a><span class='hs-definition'>wrapped</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</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-varid'>m</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</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-varid'>m</span> <span class='hs-conid'>Doc</span>
<a name="line-226"></a><span class='hs-definition'>wrapped</span> <span class='hs-varid'>listWriter</span> <span class='hs-varid'>sect</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM</span> <span class='hs-varid'>listWriter</span> <span class='hs-varop'>$</span> <span class='hs-varid'>splitBy</span> <span class='hs-conid'>Space</span> <span class='hs-varid'>sect</span><span class='hs-layout'>)</span> <span class='hs-varop'>>>=</span>
<a name="line-227"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fsep</span>
<a name="line-228"></a>
<a name="line-229"></a><a name="wrapIfNeeded"></a><span class='hs-comment'>-- | Wrap inlines if the text wrap option is selected.</span>
<a name="line-230"></a><span class='hs-definition'>wrapIfNeeded</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>WriterOptions</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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-varid'>m</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-231"></a> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Doc</span>
<a name="line-232"></a><span class='hs-definition'>wrapIfNeeded</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-varid'>opts</span>
<a name="line-233"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>wrapped</span>
<a name="line-234"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varop'>$</span><span class='hs-layout'>)</span>
<a name="line-235"></a>
<a name="line-236"></a><a name="isNote"></a><span class='hs-comment'>-- auxiliary function for wrappedTeX</span>
<a name="line-237"></a><span class='hs-definition'>isNote</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Inline</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-238"></a><span class='hs-definition'>isNote</span> <span class='hs-layout'>(</span><span class='hs-conid'>Note</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-239"></a><span class='hs-definition'>isNote</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-240"></a>
<a name="line-241"></a><a name="wrappedTeX"></a><span class='hs-comment'>-- | Wrap inlines to line length, treating footnotes in a way that</span>
<a name="line-242"></a><span class='hs-comment'>-- makes sense in LaTeX and ConTeXt.</span>
<a name="line-243"></a><span class='hs-definition'>wrappedTeX</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-244"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Bool</span>
<a name="line-245"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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-varid'>m</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span>
<a name="line-246"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-247"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Doc</span>
<a name="line-248"></a><span class='hs-definition'>wrappedTeX</span> <span class='hs-varid'>includePercent</span> <span class='hs-varid'>listWriter</span> <span class='hs-varid'>sect</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-249"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>firstpart</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-varid'>break</span> <span class='hs-varid'>isNote</span> <span class='hs-varid'>sect</span>
<a name="line-250"></a> <span class='hs-varid'>firstpartWrapped</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>wrapped</span> <span class='hs-varid'>listWriter</span> <span class='hs-varid'>firstpart</span>
<a name="line-251"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>rest</span>
<a name="line-252"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>firstpartWrapped</span>
<a name="line-253"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>note</span><span class='hs-conop'>:</span><span class='hs-varid'>rest'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rest</span>
<a name="line-254"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>rest1</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-conid'>Space</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest'</span>
<a name="line-255"></a> <span class='hs-comment'>-- rest1 is whatever comes between the note and a Space.</span>
<a name="line-256"></a> <span class='hs-comment'>-- if the note is followed directly by a Space, rest1 is null.</span>
<a name="line-257"></a> <span class='hs-comment'>-- rest1 is printed after the note but before the line break,</span>
<a name="line-258"></a> <span class='hs-comment'>-- to avoid spurious blank space the note and immediately</span>
<a name="line-259"></a> <span class='hs-comment'>-- following punctuation.</span>
<a name="line-260"></a> <span class='hs-varid'>rest1Out</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>rest1</span>
<a name="line-261"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>empty</span>
<a name="line-262"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>listWriter</span> <span class='hs-varid'>rest1</span>
<a name="line-263"></a> <span class='hs-varid'>rest2Wrapped</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>rest2</span>
<a name="line-264"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varid'>empty</span>
<a name="line-265"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>wrappedTeX</span> <span class='hs-varid'>includePercent</span> <span class='hs-varid'>listWriter</span> <span class='hs-layout'>(</span><span class='hs-varid'>tail</span> <span class='hs-varid'>rest2</span><span class='hs-layout'>)</span>
<a name="line-266"></a> <span class='hs-varid'>noteText</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>listWriter</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>note</span><span class='hs-keyglyph'>]</span>
<a name="line-267"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>firstpartWrapped</span> <span class='hs-varop'><></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>includePercent</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>PP</span><span class='hs-varop'>.</span><span class='hs-varid'>char</span> <span class='hs-chr'>'%'</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>empty</span><span class='hs-layout'>)</span> <span class='hs-varop'>$$</span>
<a name="line-268"></a> <span class='hs-layout'>(</span><span class='hs-varid'>noteText</span> <span class='hs-varop'><></span> <span class='hs-varid'>rest1Out</span><span class='hs-layout'>)</span> <span class='hs-varop'>$$</span>
<a name="line-269"></a> <span class='hs-varid'>rest2Wrapped</span>
<a name="line-270"></a>
<a name="line-271"></a><a name="wrapTeXIfNeeded"></a><span class='hs-comment'>-- | Wrap inlines if the text wrap option is selected, specialized </span>
<a name="line-272"></a><span class='hs-comment'>-- for LaTeX and ConTeXt.</span>
<a name="line-273"></a><span class='hs-definition'>wrapTeXIfNeeded</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-274"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>WriterOptions</span>
<a name="line-275"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-276"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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-varid'>m</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span>
<a name="line-277"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-278"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Doc</span>
<a name="line-279"></a><span class='hs-definition'>wrapTeXIfNeeded</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>includePercent</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-varid'>opts</span>
<a name="line-280"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>wrappedTeX</span> <span class='hs-varid'>includePercent</span>
<a name="line-281"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varop'>$</span><span class='hs-layout'>)</span>
<a name="line-282"></a>
<a name="line-283"></a><a name="BlockWrapper"></a><span class='hs-comment'>-- | Indicates whether block should be surrounded by blank lines (@Pad@) or not (@Reg@).</span>
<a name="line-284"></a><a name="BlockWrapper"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BlockWrapper</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Pad</span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Reg</span> <span class='hs-conid'>Doc</span>
<a name="line-285"></a>
<a name="line-286"></a><a name="wrappedBlocksToDoc"></a><span class='hs-comment'>-- | Converts a list of wrapped blocks to a Doc, with appropriate spaces around blocks.</span>
<a name="line-287"></a><span class='hs-definition'>wrappedBlocksToDoc</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>BlockWrapper</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-288"></a><span class='hs-definition'>wrappedBlocksToDoc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldr</span> <span class='hs-varid'>addBlock</span> <span class='hs-varid'>empty</span>
<a name="line-289"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>addBlock</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pad</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>accum</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isEmpty</span> <span class='hs-varid'>accum</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span>
<a name="line-290"></a> <span class='hs-varid'>addBlock</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pad</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>accum</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>accum</span>
<a name="line-291"></a> <span class='hs-varid'>addBlock</span> <span class='hs-layout'>(</span><span class='hs-conid'>Reg</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>accum</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>accum</span>
<a name="line-292"></a>
<a name="line-293"></a><a name="hang'"></a><span class='hs-comment'>-- | A version of hang that works like the version in pretty-1.0.0.0</span>
<a name="line-294"></a><span class='hs-definition'>hang'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-295"></a><span class='hs-definition'>hang'</span> <span class='hs-varid'>d1</span> <span class='hs-varid'>n</span> <span class='hs-varid'>d2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d1</span> <span class='hs-varop'>$$</span> <span class='hs-layout'>(</span><span class='hs-varid'>nest</span> <span class='hs-varid'>n</span> <span class='hs-varid'>d2</span><span class='hs-layout'>)</span>
<a name="line-296"></a>
<a name="line-297"></a><span class='hs-comment'>--</span>
<a name="line-298"></a><span class='hs-comment'>-- Pandoc block and inline list processing</span>
<a name="line-299"></a><span class='hs-comment'>--</span>
<a name="line-300"></a>
<a name="line-301"></a><a name="orderedListMarkers"></a><span class='hs-comment'>-- | Generate infinite lazy list of markers for an ordered list,</span>
<a name="line-302"></a><span class='hs-comment'>-- depending on list attributes.</span>
<a name="line-303"></a><span class='hs-definition'>orderedListMarkers</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'>ListNumberStyle</span><span class='hs-layout'>,</span> <span class='hs-conid'>ListNumberDelim</span><span class='hs-layout'>)</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-304"></a><span class='hs-definition'>orderedListMarkers</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span> <span class='hs-varid'>numstyle</span><span class='hs-layout'>,</span> <span class='hs-varid'>numdelim</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-305"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>singleton</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-306"></a> <span class='hs-varid'>nums</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>numstyle</span> <span class='hs-keyword'>of</span>
<a name="line-307"></a> <span class='hs-conid'>DefaultStyle</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-308"></a> <span class='hs-conid'>Example</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-309"></a> <span class='hs-conid'>Decimal</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-310"></a> <span class='hs-conid'>UpperAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cycle</span> <span class='hs-varop'>$</span>
<a name="line-311"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>singleton</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-312"></a> <span class='hs-conid'>LowerAlpha</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cycle</span> <span class='hs-varop'>$</span>
<a name="line-313"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>singleton</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-314"></a> <span class='hs-conid'>UpperRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-varid'>toRomanNumeral</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-315"></a> <span class='hs-conid'>LowerRoman</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toRomanNumeral</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>start</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-316"></a> <span class='hs-varid'>inDelim</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>numdelim</span> <span class='hs-keyword'>of</span>
<a name="line-317"></a> <span class='hs-conid'>DefaultDelim</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-318"></a> <span class='hs-conid'>Period</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-319"></a> <span class='hs-conid'>OneParen</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-320"></a> <span class='hs-conid'>TwoParens</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>str</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-321"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>map</span> <span class='hs-varid'>inDelim</span> <span class='hs-varid'>nums</span>
<a name="line-322"></a>
<a name="line-323"></a><a name="normalizeSpaces"></a><span class='hs-comment'>-- | Normalize a list of inline elements: remove leading and trailing</span>
<a name="line-324"></a><span class='hs-comment'>-- @Space@ elements, collapse double @Space@s into singles, and</span>
<a name="line-325"></a><span class='hs-comment'>-- remove empty Str elements.</span>
<a name="line-326"></a><span class='hs-definition'>normalizeSpaces</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-keyglyph'>[</span><span class='hs-conid'>Inline</span><span class='hs-keyglyph'>]</span>
<a name="line-327"></a><span class='hs-definition'>normalizeSpaces</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-328"></a><span class='hs-definition'>normalizeSpaces</span> <span class='hs-varid'>list</span> <span class='hs-keyglyph'>=</span>
<a name="line-329"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>removeDoubles</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-330"></a> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-331"></a> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-332"></a> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeDoubles</span> <span class='hs-varid'>rest</span>
<a name="line-333"></a> <span class='hs-varid'>removeDoubles</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>removeDoubles</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-334"></a> <span class='hs-varid'>removeLeading</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>removeLeading</span> <span class='hs-varid'>xs</span>
<a name="line-335"></a> <span class='hs-varid'>removeLeading</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-336"></a> <span class='hs-varid'>removeTrailing</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-337"></a> <span class='hs-varid'>removeTrailing</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>lst</span> <span class='hs-varop'>==</span> <span class='hs-conid'>Space</span><span class='hs-layout'>)</span>
<a name="line-338"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>init</span> <span class='hs-varid'>lst</span>
<a name="line-339"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>lst</span>
<a name="line-340"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>removeLeading</span> <span class='hs-varop'>$</span> <span class='hs-varid'>removeTrailing</span> <span class='hs-varop'>$</span> <span class='hs-varid'>removeDoubles</span> <span class='hs-varid'>list</span>
<a name="line-341"></a>
<a name="line-342"></a><a name="compactify"></a><span class='hs-comment'>-- | Change final list item from @Para@ to @Plain@ if the list contains</span>
<a name="line-343"></a><span class='hs-comment'>-- no other @Para@ blocks.</span>
<a name="line-344"></a><span class='hs-definition'>compactify</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><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ List of list items (each a list of blocks)</span>
<a name="line-345"></a> <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><span class='hs-keyglyph'>]</span>
<a name="line-346"></a><span class='hs-definition'>compactify</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-347"></a><span class='hs-definition'>compactify</span> <span class='hs-varid'>items</span> <span class='hs-keyglyph'>=</span>
<a name="line-348"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>items</span><span class='hs-layout'>,</span> <span class='hs-varid'>last</span> <span class='hs-varid'>items</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-349"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-350"></a> <span class='hs-layout'>(</span><span class='hs-varid'>others</span><span class='hs-layout'>,</span> <span class='hs-varid'>final</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-351"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>last</span> <span class='hs-varid'>final</span> <span class='hs-keyword'>of</span>
<a name="line-352"></a> <span class='hs-conid'>Para</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>filter</span> <span class='hs-varid'>isPara</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>items</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-353"></a> <span class='hs-comment'>-- if this is only Para, change to Plain</span>
<a name="line-354"></a> <span class='hs-keyglyph'>[</span><span class='hs-keyword'>_</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>others</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>init</span> <span class='hs-varid'>final</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Plain</span> <span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-355"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-356"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>items</span>
<a name="line-357"></a>
<a name="line-358"></a><a name="isPara"></a><span class='hs-definition'>isPara</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-359"></a><span class='hs-definition'>isPara</span> <span class='hs-layout'>(</span><span class='hs-conid'>Para</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-360"></a><span class='hs-definition'>isPara</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-361"></a>
<a name="line-362"></a><a name="Element"></a><span class='hs-comment'>-- | Data structure for defining hierarchical Pandoc documents</span>
<a name="line-363"></a><a name="Element"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Element</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Blk</span> <span class='hs-conid'>Block</span>
<a name="line-364"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Sec</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>String</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'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-365"></a> <span class='hs-comment'>-- lvl num ident label contents</span>
<a name="line-366"></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'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>)</span>
<a name="line-367"></a>
<a name="line-368"></a><a name="inlineListToIdentifier"></a><span class='hs-comment'>-- | Convert Pandoc inline list to plain text identifier. HTML</span>
<a name="line-369"></a><span class='hs-comment'>-- identifiers must start with a letter, and may contain only</span>
<a name="line-370"></a><span class='hs-comment'>-- letters, digits, and the characters _-.</span>
<a name="line-371"></a><span class='hs-definition'>inlineListToIdentifier</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'>String</span>
<a name="line-372"></a><span class='hs-definition'>inlineListToIdentifier</span> <span class='hs-keyglyph'>=</span>
<a name="line-373"></a> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isAlpha</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"-"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>words</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varop'>.</span>
<a name="line-374"></a> <span class='hs-varid'>filter</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'>isLetter</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"_-. "</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-375"></a> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span>
<a name="line-376"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-377"></a> <span class='hs-conid'>Str</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span>
<a name="line-378"></a> <span class='hs-conid'>Emph</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-379"></a> <span class='hs-conid'>Strikeout</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-380"></a> <span class='hs-conid'>Superscript</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-381"></a> <span class='hs-conid'>SmallCaps</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-382"></a> <span class='hs-conid'>Subscript</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-383"></a> <span class='hs-conid'>Strong</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-384"></a> <span class='hs-conid'>Quoted</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-385"></a> <span class='hs-conid'>Cite</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>lst</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-386"></a> <span class='hs-conid'>Code</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span>
<a name="line-387"></a> <span class='hs-conid'>Space</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>" "</span>
<a name="line-388"></a> <span class='hs-conid'>EmDash</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"---"</span>
<a name="line-389"></a> <span class='hs-conid'>EnDash</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"--"</span>
<a name="line-390"></a> <span class='hs-conid'>Apostrophe</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-391"></a> <span class='hs-conid'>Ellipses</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"..."</span>
<a name="line-392"></a> <span class='hs-conid'>LineBreak</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>" "</span>
<a name="line-393"></a> <span class='hs-conid'>Math</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span>
<a name="line-394"></a> <span class='hs-conid'>TeX</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-395"></a> <span class='hs-conid'>HtmlInline</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-396"></a> <span class='hs-conid'>Link</span> <span class='hs-varid'>lst</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-397"></a> <span class='hs-conid'>Image</span> <span class='hs-varid'>lst</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>extractText</span> <span class='hs-varid'>lst</span>
<a name="line-398"></a> <span class='hs-conid'>Note</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-399"></a>
<a name="line-400"></a><a name="hierarchicalize"></a><span class='hs-comment'>-- | Convert list of Pandoc blocks into (hierarchical) list of Elements</span>
<a name="line-401"></a><span class='hs-definition'>hierarchicalize</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'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-402"></a><span class='hs-definition'>hierarchicalize</span> <span class='hs-varid'>blocks</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>evalState</span> <span class='hs-layout'>(</span><span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>blocks</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-403"></a>
<a name="line-404"></a><a name="hierarchicalizeWithIds"></a><span class='hs-definition'>hierarchicalizeWithIds</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-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>State</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><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-405"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-406"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>level</span> <span class='hs-varid'>title'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-407"></a> <span class='hs-layout'>(</span><span class='hs-varid'>lastnum</span><span class='hs-layout'>,</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>get</span>
<a name="line-408"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ident</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>uniqueIdent</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>usedIdents</span>
<a name="line-409"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>lastnum'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>take</span> <span class='hs-varid'>level</span> <span class='hs-varid'>lastnum</span>
<a name="line-410"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>newnum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>level</span>
<a name="line-411"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>init</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>last</span> <span class='hs-varid'>lastnum'</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-keyglyph'>]</span>
<a name="line-412"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>lastnum</span> <span class='hs-varop'>++</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>level</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>lastnum</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>]</span>
<a name="line-413"></a> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>put</span> <span class='hs-layout'>(</span><span class='hs-varid'>newnum</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>ident</span> <span class='hs-conop'>:</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-414"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>sectionContents</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-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varid'>headerLtEq</span> <span class='hs-varid'>level</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-415"></a> <span class='hs-varid'>sectionContents'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>sectionContents</span>
<a name="line-416"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>rest</span>
<a name="line-417"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sec</span> <span class='hs-varid'>level</span> <span class='hs-varid'>newnum</span> <span class='hs-varid'>ident</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>sectionContents'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest'</span>
<a name="line-418"></a><span class='hs-definition'>hierarchicalizeWithIds</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-419"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hierarchicalizeWithIds</span> <span class='hs-varid'>rest</span>
<a name="line-420"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-conid'>Blk</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest'</span>
<a name="line-421"></a>
<a name="line-422"></a><a name="headerLtEq"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-423"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-varid'>level</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>l</span> <span class='hs-varop'><=</span> <span class='hs-varid'>level</span>
<a name="line-424"></a><span class='hs-definition'>headerLtEq</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-425"></a>
<a name="line-426"></a><a name="uniqueIdent"></a><span class='hs-comment'>-- | Generate a unique identifier from a list of inlines.</span>
<a name="line-427"></a><span class='hs-comment'>-- Second argument is a list of already used identifiers.</span>
<a name="line-428"></a><span class='hs-definition'>uniqueIdent</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-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-429"></a><span class='hs-definition'>uniqueIdent</span> <span class='hs-varid'>title'</span> <span class='hs-varid'>usedIdents</span> <span class='hs-keyglyph'>=</span>
<a name="line-430"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>baseIdent</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>inlineListToIdentifier</span> <span class='hs-varid'>title'</span> <span class='hs-keyword'>of</span>
<a name="line-431"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"section"</span>
<a name="line-432"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span>
<a name="line-433"></a> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>baseIdent</span> <span class='hs-varop'>++</span> <span class='hs-str'>"-"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>n</span>
<a name="line-434"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>baseIdent</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>usedIdents</span>
<a name="line-435"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>find</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>usedIdents</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-num'>60000</span><span class='hs-keyglyph'>]</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-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-436"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>numIdent</span> <span class='hs-varid'>x</span>
<a name="line-437"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>baseIdent</span> <span class='hs-comment'>-- if we have more than 60,000, allow repeats</span>
<a name="line-438"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>baseIdent</span>
<a name="line-439"></a>
<a name="line-440"></a><a name="isHeaderBlock"></a><span class='hs-comment'>-- | True if block is a Header block.</span>
<a name="line-441"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-442"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-443"></a><span class='hs-definition'>isHeaderBlock</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-444"></a>
<a name="line-445"></a><a name="headerShift"></a><span class='hs-comment'>-- | Shift header levels up or down.</span>
<a name="line-446"></a><span class='hs-definition'>headerShift</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pandoc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Pandoc</span>
<a name="line-447"></a><span class='hs-definition'>headerShift</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>processWith</span> <span class='hs-varid'>shift</span>
<a name="line-448"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>shift</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Block</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Block</span>
<a name="line-449"></a> <span class='hs-varid'>shift</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>level</span> <span class='hs-varid'>inner</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Header</span> <span class='hs-layout'>(</span><span class='hs-varid'>level</span> <span class='hs-varop'>+</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>inner</span>
<a name="line-450"></a> <span class='hs-varid'>shift</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-451"></a>
<a name="line-452"></a><span class='hs-comment'>--</span>
<a name="line-453"></a><span class='hs-comment'>-- Writer options</span>
<a name="line-454"></a><span class='hs-comment'>--</span>
<a name="line-455"></a>
<a name="line-456"></a><a name="HTMLMathMethod"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PlainMath</span>
<a name="line-457"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LaTeXMathML</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of LaTeXMathML.js</span>
<a name="line-458"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JsMath</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of jsMath load script</span>
<a name="line-459"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>GladTeX</span>
<a name="line-460"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>WebTeX</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- url of TeX->image script.</span>
<a name="line-461"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MathML</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- url of MathMLinHTML.js</span>
<a name="line-462"></a> <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>
<a name="line-463"></a>
<a name="line-464"></a><a name="ObfuscationMethod"></a><span class='hs-comment'>-- | Methods for obfuscating email addresses in HTML.</span>
<a name="line-465"></a><a name="ObfuscationMethod"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoObfuscation</span>
<a name="line-466"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ReferenceObfuscation</span>
<a name="line-467"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JavascriptObfuscation</span>
<a name="line-468"></a> <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>
<a name="line-469"></a>
<a name="line-470"></a><a name="HTMLSlideVariant"></a><span class='hs-comment'>-- | Varieties of HTML slide shows.</span>
<a name="line-471"></a><a name="HTMLSlideVariant"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S5Slides</span>
<a name="line-472"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SlidySlides</span>
<a name="line-473"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoSlides</span>
<a name="line-474"></a> <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>
<a name="line-475"></a>
<a name="line-476"></a><a name="WriterOptions"></a><span class='hs-comment'>-- | Options for writers</span>
<a name="line-477"></a><a name="WriterOptions"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WriterOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WriterOptions</span>
<a name="line-478"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>writerStandalone</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Include header and footer</span>
<a name="line-479"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTemplate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Template to use in standalone mode</span>
<a name="line-480"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerVariables</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> <span class='hs-comment'>-- ^ Variables to set in template</span>
<a name="line-481"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEPUBMetadata</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Metadata to include in EPUB</span>
<a name="line-482"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTabStop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Tabstop for conversion btw spaces and tabs</span>
<a name="line-483"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTableOfContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Include table of contents</span>
<a name="line-484"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSlideVariant</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HTMLSlideVariant</span> <span class='hs-comment'>-- ^ Are we writing S5 or Slidy?</span>
<a name="line-485"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIncremental</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ True if lists should be incremental</span>
<a name="line-486"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerXeTeX</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Create latex suitable for use by xetex</span>
<a name="line-487"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHTMLMathMethod</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>HTMLMathMethod</span> <span class='hs-comment'>-- ^ How to print math in HTML</span>
<a name="line-488"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIgnoreNotes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Ignore footnotes (used in making toc)</span>
<a name="line-489"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerNumberSections</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Number sections in LaTeX</span>
<a name="line-490"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSectionDivs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Put sections in div tags in HTML</span>
<a name="line-491"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerStrictMarkdown</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use strict markdown syntax</span>
<a name="line-492"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerReferenceLinks</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Use reference links in writing markdown, rst</span>
<a name="line-493"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Wrap text to line length</span>
<a name="line-494"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerLiterateHaskell</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Write as literate haskell</span>
<a name="line-495"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEmailObfuscation</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ObfuscationMethod</span> <span class='hs-comment'>-- ^ How to obfuscate emails</span>
<a name="line-496"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIdentifierPrefix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Prefix for section & note ids in HTML</span>
<a name="line-497"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSourceDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-comment'>-- ^ Directory path of 1st source file</span>
<a name="line-498"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerUserDataDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span> <span class='hs-comment'>-- ^ Path of user data directory</span>
<a name="line-499"></a> <span class='hs-layout'>}</span> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-500"></a>
<a name="line-501"></a><a name="defaultWriterOptions"></a><span class='hs-comment'>-- | Default writer options.</span>
<a name="line-502"></a><span class='hs-definition'>defaultWriterOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WriterOptions</span>
<a name="line-503"></a><span class='hs-definition'>defaultWriterOptions</span> <span class='hs-keyglyph'>=</span>
<a name="line-504"></a> <span class='hs-conid'>WriterOptions</span> <span class='hs-layout'>{</span> <span class='hs-varid'>writerStandalone</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-505"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTemplate</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-506"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerVariables</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-507"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEPUBMetadata</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-508"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTabStop</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span>
<a name="line-509"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerTableOfContents</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-510"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSlideVariant</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoSlides</span>
<a name="line-511"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIncremental</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-512"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerXeTeX</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-513"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerHTMLMathMethod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PlainMath</span>
<a name="line-514"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIgnoreNotes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-515"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerNumberSections</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-516"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSectionDivs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-517"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerStrictMarkdown</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-518"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerReferenceLinks</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-519"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerWrapText</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-520"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerLiterateHaskell</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-521"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerEmailObfuscation</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>JavascriptObfuscation</span>
<a name="line-522"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerIdentifierPrefix</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-523"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerSourceDirectory</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"."</span>
<a name="line-524"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>writerUserDataDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-525"></a> <span class='hs-layout'>}</span>
<a name="line-526"></a>
<a name="line-527"></a><span class='hs-comment'>--</span>
<a name="line-528"></a><span class='hs-comment'>-- File handling</span>
<a name="line-529"></a><span class='hs-comment'>--</span>
<a name="line-530"></a>
<a name="line-531"></a><a name="inDirectory"></a><span class='hs-comment'>-- | Perform an IO action in a directory, returning to starting directory.</span>
<a name="line-532"></a><span class='hs-definition'>inDirectory</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-533"></a><span class='hs-definition'>inDirectory</span> <span class='hs-varid'>path</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-534"></a> <span class='hs-varid'>oldDir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-535"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>path</span>
<a name="line-536"></a> <span class='hs-varid'>result</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>action</span>
<a name="line-537"></a> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>oldDir</span>
<a name="line-538"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>result</span>
<a name="line-539"></a>
<a name="line-540"></a><a name="readDataFile"></a><span class='hs-comment'>-- | Read file from specified user data directory or, if not found there, from</span>
<a name="line-541"></a><span class='hs-comment'>-- Cabal data directory.</span>
<a name="line-542"></a><span class='hs-definition'>readDataFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-543"></a><span class='hs-definition'>readDataFile</span> <span class='hs-varid'>userDir</span> <span class='hs-varid'>fname</span> <span class='hs-keyglyph'>=</span>
<a name="line-544"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>userDir</span> <span class='hs-keyword'>of</span>
<a name="line-545"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>getDataFileName</span> <span class='hs-varid'>fname</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span>
<a name="line-546"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>u</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>catch</span> <span class='hs-layout'>(</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span> <span class='hs-varop'>$</span> <span class='hs-varid'>u</span> <span class='hs-varop'></></span> <span class='hs-varid'>fname</span><span class='hs-layout'>)</span>
<a name="line-547"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>getDataFileName</span> <span class='hs-varid'>fname</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>readFile</span><span class='hs-layout'>)</span>
</pre></body>
</html>
