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<?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://code.haskell.org/~malcolm/hscolour/ -->
<title>Data/GraphViz/Attributes/HTML.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE OverloadedStrings, PatternGuards #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>{- |
<a name="line-4"></a>   Module      : Data.GraphViz.Attributes.HTML
<a name="line-5"></a>   Description : Specification of HTML-like types for Graphviz.
<a name="line-6"></a>   Copyright   : (c) Ivan Lazar Miljenovic
<a name="line-7"></a>   License     : 3-Clause BSD-style
<a name="line-8"></a>   Maintainer  : Ivan.Miljenovic@gmail.com
<a name="line-9"></a>
<a name="line-10"></a>   This module is written to be imported qualified.  It defines the
<a name="line-11"></a>   syntax for HTML-like values for use in Graphviz.  Please note that
<a name="line-12"></a>   these values are /not/ really HTML, but the term \"HTML\" is used
<a name="line-13"></a>   throughout as it is less cumbersome than \"HTML-like\".  To be able
<a name="line-14"></a>   to use this, the version of Graphviz must be at least 1.10.  For
<a name="line-15"></a>   more information, please see:
<a name="line-16"></a>       &lt;<a href="http://graphviz.org/doc/info/shapes.html#html">http://graphviz.org/doc/info/shapes.html#html</a>&gt;
<a name="line-17"></a>
<a name="line-18"></a>   The actual definition of the syntax specifies that these types must
<a name="line-19"></a>   be valid XML syntax.  As such, this assumed when printing and parsing,
<a name="line-20"></a>   though the correct escape/descaping for @\"@, @&amp;@, @\&lt;@ and @\&gt;@ are
<a name="line-21"></a>   automatically done when printing and parsing.
<a name="line-22"></a>
<a name="line-23"></a>   Differences from how Graphviz treats HTML-like values:
<a name="line-24"></a>
<a name="line-25"></a>   * Graphviz only specifies the above-listed characters must be
<a name="line-26"></a>     escaped; however, internally it also escapes @-@, @\'@ and multiple
<a name="line-27"></a>     sequences of spaces.  This library attempts to match this behaviour.
<a name="line-28"></a>     Please let me know if this behaviour (especially about escaping
<a name="line-29"></a>     multiple spaces) is unwanted.
<a name="line-30"></a>
<a name="line-31"></a>   * When parsing escaped HTML characters, numeric escapes are
<a name="line-32"></a>     converted to the corresponding character as are the various characters
<a name="line-33"></a>     listed above; all other escaped characters (apart from those listed
<a name="line-34"></a>     above) are silently ignored and removed from the input (since
<a name="line-35"></a>     technically these must be valid /XML/, which doesn't recognise as many
<a name="line-36"></a>     named escape characters as does HTML).
<a name="line-37"></a>
<a name="line-38"></a>   * All whitespace read in is kept (even if Graphviz would ignore
<a name="line-39"></a>     multiple whitespace characters); when printing them, however, they are
<a name="line-40"></a>     replaced with non-breaking spaces.  As such, if multiple literal
<a name="line-41"></a>     whitespace characters are used in a sequence, then the result of
<a name="line-42"></a>     parsing and then printing some Dot code will /not/ be the same as the
<a name="line-43"></a>     initial Dot code.  Furthermore, all whitespace characters are printed
<a name="line-44"></a>     as spaces.
<a name="line-45"></a>
<a name="line-46"></a>   * It is assumed that all parsed @&amp;@ values are the beginning of an
<a name="line-47"></a>     XML escape sequence (which /must/ finish with a @;@ character).
<a name="line-48"></a>
<a name="line-49"></a>   * There should be no pre-escaped characters in values; when
<a name="line-50"></a>     printing, the @&amp;@ will get escaped without considering if that is an
<a name="line-51"></a>     escaped character.
<a name="line-52"></a>
<a name="line-53"></a>-}</span>
<a name="line-54"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Attributes</span><span class='hs-varop'>.</span><span class='hs-conid'>HTML</span>
<a name="line-55"></a>       <span class='hs-layout'>(</span> <span class='hs-conid'>Label</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-56"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Text</span>
<a name="line-57"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>TextItem</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-58"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Format</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-59"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Table</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-60"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Row</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-61"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Cell</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-62"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Img</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-63"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Attributes</span>
<a name="line-64"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Attribute</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-65"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Align</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-66"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>VAlign</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-67"></a>       <span class='hs-layout'>,</span> <span class='hs-conid'>Scale</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-68"></a>       <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-69"></a>
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Attributes</span><span class='hs-varop'>.</span><span class='hs-conid'>Colors</span>
<a name="line-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Attributes</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-72"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span>       <span class='hs-layout'>(</span><span class='hs-varid'>bool</span><span class='hs-layout'>)</span>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Parsing</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>GraphViz</span><span class='hs-varop'>.</span><span class='hs-conid'>Printing</span>
<a name="line-75"></a>
<a name="line-76"></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'>chr</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSpace</span><span class='hs-layout'>,</span> <span class='hs-varid'>ord</span><span class='hs-layout'>)</span>
<a name="line-77"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Function</span>  <span class='hs-layout'>(</span><span class='hs-varid'>on</span><span class='hs-layout'>)</span>
<a name="line-78"></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'>delete</span><span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span>       <span class='hs-keyword'>as</span> <span class='hs-conid'>Map</span>
<a name="line-80"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>     <span class='hs-layout'>(</span><span class='hs-varid'>catMaybes</span><span class='hs-layout'>,</span> <span class='hs-varid'>listToMaybe</span><span class='hs-layout'>)</span>
<a name="line-81"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>T</span>
<a name="line-82"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span>      <span class='hs-layout'>(</span><span class='hs-conid'>Word16</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span>
<a name="line-83"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Numeric</span>        <span class='hs-layout'>(</span><span class='hs-varid'>readHex</span><span class='hs-layout'>)</span>
<a name="line-84"></a>
<a name="line-85"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="Label"></a><span class='hs-comment'>-- | The overall type for HTML-like labels.  Fundamentally, HTML-like</span>
<a name="line-88"></a><a name="Label"></a><span class='hs-comment'>--   values in Graphviz are either textual (i.e. a single element with</span>
<a name="line-89"></a><a name="Label"></a><span class='hs-comment'>--   formatting) or a table.  Note that 'Label' values can be</span>
<a name="line-90"></a><a name="Label"></a><span class='hs-comment'>--   nested via 'LabelCell'.</span>
<a name="line-91"></a><a name="Label"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Label</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Text</span>  <span class='hs-conid'>Text</span>
<a name="line-92"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Table</span> <span class='hs-conid'>Table</span>
<a name="line-93"></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'>Ord</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>
<a name="line-94"></a>
<a name="line-95"></a><a name="instance%20PrintDot%20Label"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Label</span> <span class='hs-keyword'>where</span>
<a name="line-96"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Text</span> <span class='hs-varid'>txt</span><span class='hs-layout'>)</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>txt</span>
<a name="line-97"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Table</span> <span class='hs-varid'>tbl</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>tbl</span>
<a name="line-98"></a>
<a name="line-99"></a><a name="instance%20ParseDot%20Label"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Label</span> <span class='hs-keyword'>where</span>
<a name="line-100"></a>  <span class='hs-comment'>-- Try parsing Table first in case of a FONT tag being used.</span>
<a name="line-101"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Table</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-102"></a>              <span class='hs-varop'>`onFail`</span>
<a name="line-103"></a>              <span class='hs-varid'>fmap</span> <span class='hs-conid'>Text</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-104"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-105"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.Label\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-106"></a>
<a name="line-107"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-108"></a>
<a name="line-109"></a><a name="Text"></a><span class='hs-comment'>-- | Represents a textual component of an HTML-like label.  It is</span>
<a name="line-110"></a><a name="Text"></a><span class='hs-comment'>--   assumed that a 'Text' list is non-empty.  It is preferable</span>
<a name="line-111"></a><a name="Text"></a><span class='hs-comment'>--   to \"group\" 'Str' values together rather than have</span>
<a name="line-112"></a><a name="Text"></a><span class='hs-comment'>--   individual ones.  Note that when printing, the individual values</span>
<a name="line-113"></a><a name="Text"></a><span class='hs-comment'>--   are concatenated together without spaces, and when parsing</span>
<a name="line-114"></a><a name="Text"></a><span class='hs-comment'>--   anything that isn't a tag is assumed to be a 'Str': that is,</span>
<a name="line-115"></a><a name="Text"></a><span class='hs-comment'>--   something like \"@\&lt;BR\/\&gt; \&lt;BR\/\&gt;@\" is parsed as:</span>
<a name="line-116"></a><a name="Text"></a><span class='hs-comment'>--</span>
<a name="line-117"></a><a name="Text"></a><span class='hs-comment'>--  &gt; [Newline [], Str " ", Newline []]</span>
<a name="line-118"></a><a name="Text"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Text</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>TextItem</span><span class='hs-keyglyph'>]</span>
<a name="line-119"></a>
<a name="line-120"></a><a name="TextItem"></a><span class='hs-comment'>-- | Textual items in HTML-like labels.</span>
<a name="line-121"></a><a name="TextItem"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextItem</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Str</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-122"></a>                <span class='hs-comment'>-- | Only accepts an optional 'Align'</span>
<a name="line-123"></a>                <span class='hs-comment'>--   'Attribute'; defined this way for ease of</span>
<a name="line-124"></a>                <span class='hs-comment'>--   printing/parsing.</span>
<a name="line-125"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Newline</span> <span class='hs-conid'>Attributes</span>
<a name="line-126"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Font</span> <span class='hs-conid'>Attributes</span> <span class='hs-conid'>Text</span>
<a name="line-127"></a>                <span class='hs-comment'>-- | Only available in Graphviz &gt;= 2.28.0.</span>
<a name="line-128"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Format</span> <span class='hs-conid'>Format</span> <span class='hs-conid'>Text</span>
<a name="line-129"></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'>Ord</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>
<a name="line-130"></a>
<a name="line-131"></a><a name="instance%20PrintDot%20TextItem"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>TextItem</span> <span class='hs-keyword'>where</span>
<a name="line-132"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Str</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeValue</span> <span class='hs-varid'>str</span>
<a name="line-133"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Newline</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"BR"</span><span class='hs-layout'>)</span> <span class='hs-keyword'>as</span>
<a name="line-134"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Font</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>txt</span><span class='hs-layout'>)</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printFontTag</span> <span class='hs-keyword'>as</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>txt</span>
<a name="line-135"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Format</span> <span class='hs-varid'>fmt</span> <span class='hs-varid'>txt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>unqtDot</span> <span class='hs-varid'>fmt</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>txt</span>
<a name="line-136"></a>
<a name="line-137"></a>  <span class='hs-varid'>unqtListToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hcat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>unqtDot</span>
<a name="line-138"></a>
<a name="line-139"></a>  <span class='hs-varid'>listToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtListToDot</span>
<a name="line-140"></a>
<a name="line-141"></a><a name="instance%20ParseDot%20TextItem"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>TextItem</span> <span class='hs-keyword'>where</span>
<a name="line-142"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Str</span> <span class='hs-varid'>unescapeValue</span>
<a name="line-143"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseEmptyTag</span> <span class='hs-conid'>Newline</span> <span class='hs-str'>"BR"</span>
<a name="line-144"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseFontTag</span> <span class='hs-conid'>Font</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-145"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseTagRep</span> <span class='hs-conid'>Format</span> <span class='hs-varid'>parseUnqt</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-146"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-147"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-148"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.TextItem\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-149"></a>
<a name="line-150"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-151"></a>
<a name="line-152"></a>  <span class='hs-varid'>parseUnqtList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>many</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-153"></a>
<a name="line-154"></a>  <span class='hs-varid'>parseList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqtList</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="Format"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Format</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Italics</span>
<a name="line-157"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Bold</span>
<a name="line-158"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Underline</span>
<a name="line-159"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Overline</span> <span class='hs-comment'>-- ^ Requires Graphviz &gt;= 2.38.0.</span>
<a name="line-160"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Subscript</span>
<a name="line-161"></a>              <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Superscript</span>
<a name="line-162"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bounded</span><span class='hs-layout'>,</span> <span class='hs-conid'>Enum</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>
<a name="line-163"></a>
<a name="line-164"></a><a name="instance%20PrintDot%20Format"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Format</span> <span class='hs-keyword'>where</span>
<a name="line-165"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Italics</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"I"</span>
<a name="line-166"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Bold</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"B"</span>
<a name="line-167"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Underline</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"U"</span>
<a name="line-168"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Overline</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"O"</span>
<a name="line-169"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Subscript</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"SUB"</span>
<a name="line-170"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>Superscript</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"SUP"</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="instance%20ParseDot%20Format"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Format</span> <span class='hs-keyword'>where</span>
<a name="line-173"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stringValue</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-str'>"I"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Italics</span><span class='hs-layout'>)</span>
<a name="line-174"></a>                          <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"B"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bold</span><span class='hs-layout'>)</span>
<a name="line-175"></a>                          <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"U"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Underline</span><span class='hs-layout'>)</span>
<a name="line-176"></a>                          <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"O"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Overline</span><span class='hs-layout'>)</span>
<a name="line-177"></a>                          <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"SUB"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Subscript</span><span class='hs-layout'>)</span>
<a name="line-178"></a>                          <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"SUP"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Superscript</span><span class='hs-layout'>)</span>
<a name="line-179"></a>                          <span class='hs-keyglyph'>]</span>
<a name="line-180"></a>
<a name="line-181"></a><a name="Table"></a><span class='hs-comment'>-- | A table in HTML-like labels.  Tables are optionally wrapped in</span>
<a name="line-182"></a><a name="Table"></a><span class='hs-comment'>--   overall @FONT@ tags.</span>
<a name="line-183"></a><a name="Table"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Table</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HTable</span> <span class='hs-layout'>{</span> <span class='hs-comment'>-- | Optional @FONT@ attributes.  @'Just'</span>
<a name="line-184"></a>                      <span class='hs-comment'>--   []@ denotes empty @FONT@ tags;</span>
<a name="line-185"></a>                      <span class='hs-comment'>--   @'Nothing'@ denotes no such tags.</span>
<a name="line-186"></a>                      <span class='hs-varid'>tableFontAttrs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Attributes</span>
<a name="line-187"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>tableAttrs</span>     <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Attributes</span>
<a name="line-188"></a>                      <span class='hs-comment'>-- | This list is assumed to be non-empty.</span>
<a name="line-189"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>tableRows</span>      <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Row</span><span class='hs-keyglyph'>]</span>
<a name="line-190"></a>                    <span class='hs-layout'>}</span>
<a name="line-191"></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'>Ord</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>
<a name="line-192"></a>
<a name="line-193"></a><a name="instance%20PrintDot%20Table"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Table</span> <span class='hs-keyword'>where</span>
<a name="line-194"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>tbl</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>tableFontAttrs</span> <span class='hs-varid'>tbl</span> <span class='hs-keyword'>of</span>
<a name="line-195"></a>                  <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>printFontTag</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>tbl'</span>
<a name="line-196"></a>                  <span class='hs-conid'>Nothing</span>   <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tbl'</span>
<a name="line-197"></a>    <span class='hs-keyword'>where</span>
<a name="line-198"></a>      <span class='hs-varid'>tbl'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"TABLE"</span><span class='hs-layout'>)</span>
<a name="line-199"></a>                          <span class='hs-layout'>(</span><span class='hs-varid'>tableAttrs</span> <span class='hs-varid'>tbl</span><span class='hs-layout'>)</span>
<a name="line-200"></a>                          <span class='hs-layout'>(</span><span class='hs-varid'>toDot</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tableRows</span> <span class='hs-varid'>tbl</span><span class='hs-layout'>)</span>
<a name="line-201"></a>
<a name="line-202"></a><a name="instance%20ParseDot%20Table"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Table</span> <span class='hs-keyword'>where</span>
<a name="line-203"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseFontTag</span> <span class='hs-varid'>addFontAttrs</span> <span class='hs-varid'>pTbl</span><span class='hs-layout'>)</span>
<a name="line-204"></a>              <span class='hs-varop'>`onFail`</span>
<a name="line-205"></a>              <span class='hs-varid'>pTbl</span>
<a name="line-206"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-207"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.Table\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-208"></a>    <span class='hs-keyword'>where</span>
<a name="line-209"></a>      <span class='hs-varid'>pTbl</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>parseTag</span> <span class='hs-layout'>(</span><span class='hs-conid'>HTable</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-210"></a>                                       <span class='hs-str'>"TABLE"</span>
<a name="line-211"></a>                                       <span class='hs-layout'>(</span><span class='hs-varid'>wrapWhitespace</span> <span class='hs-varid'>parseUnqt</span><span class='hs-layout'>)</span>
<a name="line-212"></a>      <span class='hs-varid'>addFontAttrs</span> <span class='hs-varid'>fas</span> <span class='hs-varid'>tbl</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tbl</span> <span class='hs-layout'>{</span> <span class='hs-varid'>tableFontAttrs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>fas</span> <span class='hs-layout'>}</span>
<a name="line-213"></a>
<a name="line-214"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-215"></a>
<a name="line-216"></a><a name="Row"></a><span class='hs-comment'>-- | A row in a 'Table'.  The list of 'Cell' values is</span>
<a name="line-217"></a><a name="Row"></a><span class='hs-comment'>--   assumed to be non-empty.</span>
<a name="line-218"></a><a name="Row"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Row</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Cells</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Cell</span><span class='hs-keyglyph'>]</span>
<a name="line-219"></a>         <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HorizontalRule</span> <span class='hs-comment'>-- ^ Should be between 'Cells' values,</span>
<a name="line-220"></a>                          <span class='hs-comment'>--   requires Graphviz &gt;= 2.29.0</span>
<a name="line-221"></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'>Ord</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>
<a name="line-222"></a>
<a name="line-223"></a><a name="instance%20PrintDot%20Row"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Row</span> <span class='hs-keyword'>where</span>
<a name="line-224"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Cells</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"TR"</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>cs</span>
<a name="line-225"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HorizontalRule</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"HR"</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-226"></a>
<a name="line-227"></a>  <span class='hs-varid'>unqtListToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>align</span> <span class='hs-varop'>.</span> <span class='hs-varid'>cat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>unqtDot</span>
<a name="line-228"></a>
<a name="line-229"></a>  <span class='hs-varid'>listToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtListToDot</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="instance%20ParseDot%20Row"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Row</span> <span class='hs-keyword'>where</span>
<a name="line-232"></a>  <span class='hs-comment'>-- To save doing it manually, use 'parseTag' and ignore any</span>
<a name="line-233"></a>  <span class='hs-comment'>-- 'Attributes' that it might accidentally parse.</span>
<a name="line-234"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>parseTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-conid'>Cells</span><span class='hs-layout'>)</span> <span class='hs-str'>"TR"</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-235"></a>              <span class='hs-varop'>`onFail`</span>
<a name="line-236"></a>              <span class='hs-varid'>parseEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-conid'>HorizontalRule</span><span class='hs-layout'>)</span> <span class='hs-str'>"HR"</span>
<a name="line-237"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-238"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.Row\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-239"></a>
<a name="line-240"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-241"></a>
<a name="line-242"></a>  <span class='hs-varid'>parseUnqtList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sepBy1</span> <span class='hs-varid'>parseUnqt</span> <span class='hs-varid'>whitespace</span>
<a name="line-243"></a>
<a name="line-244"></a>  <span class='hs-varid'>parseList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqtList</span>
<a name="line-245"></a>
<a name="line-246"></a><a name="Cell"></a><span class='hs-comment'>-- | Cells either recursively contain another 'Label' or else a</span>
<a name="line-247"></a><a name="Cell"></a><span class='hs-comment'>--   path to an image file.</span>
<a name="line-248"></a><a name="Cell"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Cell</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LabelCell</span> <span class='hs-conid'>Attributes</span> <span class='hs-conid'>Label</span>
<a name="line-249"></a>          <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ImgCell</span> <span class='hs-conid'>Attributes</span> <span class='hs-conid'>Img</span>
<a name="line-250"></a>          <span class='hs-keyglyph'>|</span> <span class='hs-conid'>VerticalRule</span> <span class='hs-comment'>-- ^ Should be between 'LabelCell' or</span>
<a name="line-251"></a>                         <span class='hs-comment'>--   'ImgCell' values, requires Graphviz &gt;=</span>
<a name="line-252"></a>                         <span class='hs-comment'>--   2.29.0</span>
<a name="line-253"></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'>Ord</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>
<a name="line-254"></a>
<a name="line-255"></a><a name="instance%20PrintDot%20Cell"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Cell</span> <span class='hs-keyword'>where</span>
<a name="line-256"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>LabelCell</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printCell</span> <span class='hs-keyword'>as</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>l</span>
<a name="line-257"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImgCell</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>img</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printCell</span> <span class='hs-keyword'>as</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unqtDot</span> <span class='hs-varid'>img</span>
<a name="line-258"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>VerticalRule</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"VR"</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-259"></a>
<a name="line-260"></a>  <span class='hs-varid'>unqtListToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>unqtDot</span>
<a name="line-261"></a>
<a name="line-262"></a>  <span class='hs-varid'>listToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtListToDot</span>
<a name="line-263"></a>
<a name="line-264"></a><a name="printCell"></a><span class='hs-definition'>printCell</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-265"></a><span class='hs-definition'>printCell</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"TD"</span><span class='hs-layout'>)</span>
<a name="line-266"></a>
<a name="line-267"></a><a name="instance%20ParseDot%20Cell"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Cell</span> <span class='hs-keyword'>where</span>
<a name="line-268"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>parseCell</span> <span class='hs-conid'>LabelCell</span> <span class='hs-varid'>parse</span>
<a name="line-269"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseCell</span> <span class='hs-conid'>ImgCell</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-varid'>parse</span>
<a name="line-270"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-conid'>VerticalRule</span><span class='hs-layout'>)</span> <span class='hs-str'>"VR"</span>
<a name="line-271"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-272"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-273"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.Cell\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-274"></a>    <span class='hs-keyword'>where</span>
<a name="line-275"></a>      <span class='hs-varid'>parseCell</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varop'>`parseTag`</span> <span class='hs-str'>"TD"</span><span class='hs-layout'>)</span>
<a name="line-276"></a>
<a name="line-277"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-278"></a>
<a name="line-279"></a>  <span class='hs-varid'>parseUnqtList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sepBy1</span> <span class='hs-varid'>parseUnqt</span> <span class='hs-varid'>whitespace</span>
<a name="line-280"></a>
<a name="line-281"></a>  <span class='hs-varid'>parseList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqtList</span>
<a name="line-282"></a>
<a name="line-283"></a><a name="Img"></a><span class='hs-comment'>-- | The path to an image; accepted 'Attributes' are 'Scale' and 'Src'.</span>
<a name="line-284"></a><a name="Img"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Img</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Img</span> <span class='hs-conid'>Attributes</span>
<a name="line-285"></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'>Ord</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>
<a name="line-286"></a>
<a name="line-287"></a><a name="instance%20PrintDot%20Img"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Img</span> <span class='hs-keyword'>where</span>
<a name="line-288"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Img</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printEmptyTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"IMG"</span><span class='hs-layout'>)</span> <span class='hs-keyword'>as</span>
<a name="line-289"></a>
<a name="line-290"></a><a name="instance%20ParseDot%20Img"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Img</span> <span class='hs-keyword'>where</span>
<a name="line-291"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrapWhitespace</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseEmptyTag</span> <span class='hs-conid'>Img</span> <span class='hs-str'>"IMG"</span><span class='hs-layout'>)</span>
<a name="line-292"></a>              <span class='hs-varop'>`adjustErr`</span>
<a name="line-293"></a>              <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html.Img\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-294"></a>
<a name="line-295"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-296"></a>
<a name="line-297"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-298"></a>
<a name="line-299"></a><a name="Attributes"></a><span class='hs-comment'>-- | The various HTML-like label-specific attributes being used.</span>
<a name="line-300"></a><a name="Attributes"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Attribute</span><span class='hs-keyglyph'>]</span>
<a name="line-301"></a>
<a name="line-302"></a><a name="Attribute"></a><span class='hs-comment'>-- | Note that not all 'Attribute' values are valid everywhere:</span>
<a name="line-303"></a><a name="Attribute"></a><span class='hs-comment'>--   see the comments for each one on where it is valid.</span>
<a name="line-304"></a><a name="Attribute"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Attribute</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Align</span> <span class='hs-conid'>Align</span>       <span class='hs-comment'>-- ^ Valid for:  'Table', 'Cell', 'Newline'.</span>
<a name="line-305"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BAlign</span> <span class='hs-conid'>Align</span>      <span class='hs-comment'>-- ^ Valid for: 'Cell'.</span>
<a name="line-306"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BGColor</span> <span class='hs-conid'>Color</span>     <span class='hs-comment'>-- ^ Valid for: 'Table' (including 'tableFontAttrs'), 'Cell', 'Font'.</span>
<a name="line-307"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Border</span> <span class='hs-conid'>Word8</span>      <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Default is @1@; @0@ represents no border.</span>
<a name="line-308"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CellBorder</span> <span class='hs-conid'>Word8</span>  <span class='hs-comment'>-- ^ Valid for: 'Table'.  Default is @1@; @0@ represents no border.</span>
<a name="line-309"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CellPadding</span> <span class='hs-conid'>Word8</span> <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Default is @2@.</span>
<a name="line-310"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CellSpacing</span> <span class='hs-conid'>Word8</span> <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Default is @2@; maximum is @127@.</span>
<a name="line-311"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Color</span> <span class='hs-conid'>Color</span>       <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-312"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColSpan</span> <span class='hs-conid'>Word16</span>    <span class='hs-comment'>-- ^ Valid for: 'Cell'.  Default is @1@.</span>
<a name="line-313"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Face</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>       <span class='hs-comment'>-- ^ Valid for: 'tableFontAttrs', 'Font'.</span>
<a name="line-314"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FixedSize</span> <span class='hs-conid'>Bool</span>    <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Default is @'False'@.</span>
<a name="line-315"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Height</span> <span class='hs-conid'>Word16</span>     <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-316"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HRef</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>       <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-317"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ID</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>         <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Requires Graphviz &gt;= 2.29.0</span>
<a name="line-318"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PointSize</span> <span class='hs-conid'>Double</span>  <span class='hs-comment'>-- ^ Valid for: 'tableFontAttrs', 'Font'.</span>
<a name="line-319"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Port</span> <span class='hs-conid'>PortName</span>     <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-320"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RowSpan</span> <span class='hs-conid'>Word16</span>    <span class='hs-comment'>-- ^ Valid for: 'Cell'.</span>
<a name="line-321"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Scale</span> <span class='hs-conid'>Scale</span>       <span class='hs-comment'>-- ^ Valid for: 'Img'.</span>
<a name="line-322"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Src</span> <span class='hs-conid'>FilePath</span>      <span class='hs-comment'>-- ^ Valid for: 'Img'.</span>
<a name="line-323"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Target</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>     <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-324"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Title</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>      <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.  Has an alias of @TOOLTIP@.</span>
<a name="line-325"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>VAlign</span> <span class='hs-conid'>VAlign</span>     <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-326"></a>               <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Width</span> <span class='hs-conid'>Word16</span>      <span class='hs-comment'>-- ^ Valid for: 'Table', 'Cell'.</span>
<a name="line-327"></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'>Ord</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>
<a name="line-328"></a>
<a name="line-329"></a><a name="instance%20PrintDot%20Attribute"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Attribute</span> <span class='hs-keyword'>where</span>
<a name="line-330"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Align</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"ALIGN"</span> <span class='hs-varid'>v</span>
<a name="line-331"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>BAlign</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"BALIGN"</span> <span class='hs-varid'>v</span>
<a name="line-332"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>BGColor</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"BGCOLOR"</span> <span class='hs-varid'>v</span>
<a name="line-333"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Border</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"BORDER"</span> <span class='hs-varid'>v</span>
<a name="line-334"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>CellBorder</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"CELLBORDER"</span> <span class='hs-varid'>v</span>
<a name="line-335"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>CellPadding</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"CELLPADDING"</span> <span class='hs-varid'>v</span>
<a name="line-336"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>CellSpacing</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"CELLSPACING"</span> <span class='hs-varid'>v</span>
<a name="line-337"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"COLOR"</span> <span class='hs-varid'>v</span>
<a name="line-338"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>ColSpan</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"COLSPAN"</span> <span class='hs-varid'>v</span>
<a name="line-339"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Face</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"FACE"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varid'>v</span>
<a name="line-340"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>FixedSize</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"FIXEDSIZE"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>printBoolHtml</span> <span class='hs-varid'>v</span>
<a name="line-341"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Height</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"HEIGHT"</span> <span class='hs-varid'>v</span>
<a name="line-342"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>HRef</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"HREF"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varid'>v</span>
<a name="line-343"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>ID</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>          <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"ID"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varid'>v</span>
<a name="line-344"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>PointSize</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"POINT-SIZE"</span> <span class='hs-varid'>v</span>
<a name="line-345"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Port</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"PORT"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varop'>$</span> <span class='hs-varid'>portName</span> <span class='hs-varid'>v</span>
<a name="line-346"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>RowSpan</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"ROWSPAN"</span> <span class='hs-varid'>v</span>
<a name="line-347"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Scale</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"SCALE"</span> <span class='hs-varid'>v</span>
<a name="line-348"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Src</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>         <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"SRC"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varop'>$</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varid'>v</span>
<a name="line-349"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Target</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"TARGET"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varid'>v</span>
<a name="line-350"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Title</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-str'>"TITLE"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>escapeAttribute</span> <span class='hs-varid'>v</span>
<a name="line-351"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>VAlign</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"VALIGN"</span> <span class='hs-varid'>v</span>
<a name="line-352"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-layout'>(</span><span class='hs-conid'>Width</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField</span>  <span class='hs-str'>"WIDTH"</span> <span class='hs-varid'>v</span>
<a name="line-353"></a>
<a name="line-354"></a>  <span class='hs-varid'>unqtListToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>unqtDot</span>
<a name="line-355"></a>
<a name="line-356"></a>  <span class='hs-varid'>listToDot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unqtListToDot</span>
<a name="line-357"></a>
<a name="line-358"></a><a name="printHtmlField"></a><span class='hs-comment'>-- | Only to be used when the 'PrintDot' instance of @a@ matches the</span>
<a name="line-359"></a><span class='hs-comment'>--   HTML syntax (i.e. numbers and @Html.*@ values; 'Color' values also</span>
<a name="line-360"></a><span class='hs-comment'>--   seem to work).</span>
<a name="line-361"></a><span class='hs-definition'>printHtmlField</span>   <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrintDot</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-362"></a><span class='hs-definition'>printHtmlField</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printHtmlField'</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unqtDot</span>
<a name="line-363"></a>
<a name="line-364"></a><a name="printHtmlField'"></a><span class='hs-definition'>printHtmlField'</span>     <span class='hs-keyglyph'>::</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-365"></a><span class='hs-definition'>printHtmlField'</span> <span class='hs-varid'>f</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>f</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>equals</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>dquotes</span> <span class='hs-varid'>v</span>
<a name="line-366"></a>
<a name="line-367"></a><a name="instance%20ParseDot%20Attribute"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Attribute</span> <span class='hs-keyword'>where</span>
<a name="line-368"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Align</span> <span class='hs-str'>"ALIGN"</span>
<a name="line-369"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>BAlign</span> <span class='hs-str'>"BALIGN"</span>
<a name="line-370"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>BGColor</span> <span class='hs-str'>"BGCOLOR"</span>
<a name="line-371"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Border</span> <span class='hs-str'>"BORDER"</span>
<a name="line-372"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>CellBorder</span> <span class='hs-str'>"CELLBORDER"</span>
<a name="line-373"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>CellPadding</span> <span class='hs-str'>"CELLPADDING"</span>
<a name="line-374"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>CellSpacing</span> <span class='hs-str'>"CELLSPACING"</span>
<a name="line-375"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Color</span> <span class='hs-str'>"COLOR"</span>
<a name="line-376"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>ColSpan</span> <span class='hs-str'>"COLSPAN"</span>
<a name="line-377"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>Face</span> <span class='hs-str'>"FACE"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-378"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>FixedSize</span> <span class='hs-str'>"FIXEDSIZE"</span> <span class='hs-varid'>parseBoolHtml</span>
<a name="line-379"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Height</span> <span class='hs-str'>"HEIGHT"</span>
<a name="line-380"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>HRef</span> <span class='hs-str'>"HREF"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-381"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>ID</span> <span class='hs-str'>"ID"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-382"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>PointSize</span> <span class='hs-str'>"POINT-SIZE"</span>
<a name="line-383"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Port</span> <span class='hs-varop'>.</span> <span class='hs-conid'>PN</span><span class='hs-layout'>)</span> <span class='hs-str'>"PORT"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-384"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>RowSpan</span> <span class='hs-str'>"ROWSPAN"</span>
<a name="line-385"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Scale</span> <span class='hs-str'>"SCALE"</span>
<a name="line-386"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>Src</span> <span class='hs-str'>"SRC"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-387"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>Target</span> <span class='hs-str'>"TARGET"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-388"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>Title</span> <span class='hs-str'>"TITLE"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-389"></a>                      <span class='hs-varop'>`onFail`</span>
<a name="line-390"></a>                      <span class='hs-varid'>parseHtmlField'</span> <span class='hs-conid'>Title</span> <span class='hs-str'>"TOOLTIP"</span> <span class='hs-varid'>unescapeAttribute</span>
<a name="line-391"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>VAlign</span> <span class='hs-str'>"VALIGN"</span>
<a name="line-392"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>parseHtmlField</span>  <span class='hs-conid'>Width</span> <span class='hs-str'>"WIDTH"</span>
<a name="line-393"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-394"></a>
<a name="line-395"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-396"></a>
<a name="line-397"></a>  <span class='hs-varid'>parseUnqtList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sepBy</span> <span class='hs-varid'>parseUnqt</span> <span class='hs-varid'>whitespace1</span> <span class='hs-comment'>-- needs at least one whitespace char</span>
<a name="line-398"></a>
<a name="line-399"></a>  <span class='hs-varid'>parseList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqtList</span>
<a name="line-400"></a>
<a name="line-401"></a>
<a name="line-402"></a>
<a name="line-403"></a><a name="parseHtmlField"></a><span class='hs-definition'>parseHtmlField</span>     <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ParseDot</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Attribute</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-404"></a>                  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>Attribute</span>
<a name="line-405"></a><span class='hs-definition'>parseHtmlField</span> <span class='hs-varid'>c</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseHtmlField'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>f</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-406"></a>
<a name="line-407"></a><a name="parseHtmlField'"></a><span class='hs-definition'>parseHtmlField'</span>       <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Attribute</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>a</span>
<a name="line-408"></a>                     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>Attribute</span>
<a name="line-409"></a><span class='hs-definition'>parseHtmlField'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>string</span> <span class='hs-varid'>f</span>
<a name="line-410"></a>                        <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>parseEq</span>
<a name="line-411"></a>                        <span class='hs-varop'>*&gt;</span> <span class='hs-layout'>(</span> <span class='hs-varid'>c</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-layout'>(</span> <span class='hs-varid'>quotedParse</span> <span class='hs-varid'>p</span>
<a name="line-412"></a>                                      <span class='hs-varop'>`adjustErr`</span>
<a name="line-413"></a>                                      <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-str'>"Can't parse HTML.Attribute."</span> <span class='hs-varop'>++</span> <span class='hs-varid'>f</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n\t"</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-414"></a>                                   <span class='hs-layout'>)</span>
<a name="line-415"></a>                           <span class='hs-layout'>)</span>
<a name="line-416"></a><span class='hs-comment'>-- Can't use liftEqParse, etc. here because it causes backtracking</span>
<a name="line-417"></a><span class='hs-comment'>-- problems when the attributes could apply to multiple constructors.</span>
<a name="line-418"></a><span class='hs-comment'>-- This includes using commit! (Example: if it starts with a FONT tag,</span>
<a name="line-419"></a><span class='hs-comment'>-- is it a Table or Text?</span>
<a name="line-420"></a>
<a name="line-421"></a><a name="Align"></a><span class='hs-comment'>-- | Specifies horizontal placement. When an object is allocated more</span>
<a name="line-422"></a><a name="Align"></a><span class='hs-comment'>--   space than required, this value determines where the extra space</span>
<a name="line-423"></a><a name="Align"></a><span class='hs-comment'>--   is placed left and right of the object.</span>
<a name="line-424"></a><a name="Align"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Align</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HLeft</span>
<a name="line-425"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HCenter</span> <span class='hs-comment'>-- ^ Default value.</span>
<a name="line-426"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HRight</span>
<a name="line-427"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HText</span> <span class='hs-comment'>-- ^ 'LabelCell' values only; aligns lines of text</span>
<a name="line-428"></a>                   <span class='hs-comment'>--   using the full cell width. The alignment of a</span>
<a name="line-429"></a>                   <span class='hs-comment'>--   line is determined by its (possibly implicit)</span>
<a name="line-430"></a>                   <span class='hs-comment'>--   associated 'Newline' element.</span>
<a name="line-431"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bounded</span><span class='hs-layout'>,</span> <span class='hs-conid'>Enum</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>
<a name="line-432"></a>
<a name="line-433"></a><a name="instance%20PrintDot%20Align"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Align</span> <span class='hs-keyword'>where</span>
<a name="line-434"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HLeft</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"LEFT"</span>
<a name="line-435"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HCenter</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"CENTER"</span>
<a name="line-436"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HRight</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"RIGHT"</span>
<a name="line-437"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HText</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"TEXT"</span>
<a name="line-438"></a>
<a name="line-439"></a><a name="instance%20ParseDot%20Align"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Align</span> <span class='hs-keyword'>where</span>
<a name="line-440"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HLeft</span> <span class='hs-str'>"LEFT"</span>
<a name="line-441"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HCenter</span> <span class='hs-str'>"CENTER"</span>
<a name="line-442"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HRight</span> <span class='hs-str'>"RIGHT"</span>
<a name="line-443"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HText</span> <span class='hs-str'>"TEXT"</span>
<a name="line-444"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-445"></a>
<a name="line-446"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-447"></a>
<a name="line-448"></a><a name="VAlign"></a><span class='hs-comment'>-- | Specifies vertical placement. When an object is allocated more</span>
<a name="line-449"></a><a name="VAlign"></a><span class='hs-comment'>--   space than required, this value determines where the extra space</span>
<a name="line-450"></a><a name="VAlign"></a><span class='hs-comment'>--   is placed above and below the object.</span>
<a name="line-451"></a><a name="VAlign"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>VAlign</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HTop</span>
<a name="line-452"></a>            <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HMiddle</span> <span class='hs-comment'>-- ^ Default value.</span>
<a name="line-453"></a>            <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HBottom</span>
<a name="line-454"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bounded</span><span class='hs-layout'>,</span> <span class='hs-conid'>Enum</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>
<a name="line-455"></a>
<a name="line-456"></a><a name="instance%20PrintDot%20VAlign"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>VAlign</span> <span class='hs-keyword'>where</span>
<a name="line-457"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HTop</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"TOP"</span>
<a name="line-458"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HMiddle</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"MIDDLE"</span>
<a name="line-459"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>HBottom</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"BOTTOM"</span>
<a name="line-460"></a>
<a name="line-461"></a><a name="instance%20ParseDot%20VAlign"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>VAlign</span> <span class='hs-keyword'>where</span>
<a name="line-462"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HTop</span> <span class='hs-str'>"TOP"</span>
<a name="line-463"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HMiddle</span> <span class='hs-str'>"MIDDLE"</span>
<a name="line-464"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>HBottom</span> <span class='hs-str'>"BOTTOM"</span>
<a name="line-465"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-466"></a>
<a name="line-467"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-468"></a>
<a name="line-469"></a><a name="Scale"></a><span class='hs-comment'>-- | Specifies how an image will use any extra space available in its</span>
<a name="line-470"></a><a name="Scale"></a><span class='hs-comment'>--   cell.  If undefined, the image inherits the value of the</span>
<a name="line-471"></a><a name="Scale"></a><span class='hs-comment'>--   @ImageScale@ attribute.</span>
<a name="line-472"></a><a name="Scale"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Scale</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NaturalSize</span> <span class='hs-comment'>-- ^ Default value.</span>
<a name="line-473"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ScaleUniformly</span>
<a name="line-474"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ExpandWidth</span>
<a name="line-475"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ExpandHeight</span>
<a name="line-476"></a>           <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ExpandBoth</span>
<a name="line-477"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bounded</span><span class='hs-layout'>,</span> <span class='hs-conid'>Enum</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>
<a name="line-478"></a>
<a name="line-479"></a><a name="instance%20PrintDot%20Scale"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrintDot</span> <span class='hs-conid'>Scale</span> <span class='hs-keyword'>where</span>
<a name="line-480"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>NaturalSize</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"FALSE"</span>
<a name="line-481"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>ScaleUniformly</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"TRUE"</span>
<a name="line-482"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>ExpandWidth</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"WIDTH"</span>
<a name="line-483"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>ExpandHeight</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"HEIGHT"</span>
<a name="line-484"></a>  <span class='hs-varid'>unqtDot</span> <span class='hs-conid'>ExpandBoth</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"BOTH"</span>
<a name="line-485"></a>
<a name="line-486"></a><a name="instance%20ParseDot%20Scale"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ParseDot</span> <span class='hs-conid'>Scale</span> <span class='hs-keyword'>where</span>
<a name="line-487"></a>  <span class='hs-varid'>parseUnqt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>oneOf</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>NaturalSize</span> <span class='hs-str'>"FALSE"</span>
<a name="line-488"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>ScaleUniformly</span> <span class='hs-str'>"TRUE"</span>
<a name="line-489"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>ExpandWidth</span> <span class='hs-str'>"WIDTH"</span>
<a name="line-490"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>ExpandHeight</span> <span class='hs-str'>"HEIGHT"</span>
<a name="line-491"></a>                    <span class='hs-layout'>,</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>ExpandBoth</span> <span class='hs-str'>"BOTH"</span>
<a name="line-492"></a>                    <span class='hs-keyglyph'>]</span>
<a name="line-493"></a>
<a name="line-494"></a>  <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUnqt</span>
<a name="line-495"></a>
<a name="line-496"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-497"></a>
<a name="line-498"></a><a name="escapeAttribute"></a><span class='hs-definition'>escapeAttribute</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-499"></a><span class='hs-definition'>escapeAttribute</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeHtml</span> <span class='hs-conid'>False</span>
<a name="line-500"></a>
<a name="line-501"></a><a name="escapeValue"></a><span class='hs-definition'>escapeValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-502"></a><span class='hs-definition'>escapeValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeHtml</span> <span class='hs-conid'>True</span>
<a name="line-503"></a>
<a name="line-504"></a><a name="escapeHtml"></a><span class='hs-definition'>escapeHtml</span>               <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-505"></a><span class='hs-definition'>escapeHtml</span> <span class='hs-varid'>quotesAllowed</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hcat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>concat</span>
<a name="line-506"></a>                           <span class='hs-varop'>.</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>escapeSegment</span> <span class='hs-varop'>.</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span><span class='hs-layout'>)</span>
<a name="line-507"></a>                           <span class='hs-varop'>.</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>isSpace</span><span class='hs-layout'>)</span>
<a name="line-508"></a>  <span class='hs-keyword'>where</span>
<a name="line-509"></a>    <span class='hs-comment'>-- Note: use numeric version of space rather than nbsp, since this</span>
<a name="line-510"></a>    <span class='hs-comment'>-- matches what Graphviz does (since Inkscape apparently can't</span>
<a name="line-511"></a>    <span class='hs-comment'>-- cope with nbsp).</span>
<a name="line-512"></a>    <span class='hs-varid'>escapeSegment</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-conop'>:</span><span class='hs-varid'>sps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftA2</span> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>numEscape</span> <span class='hs-varid'>sps</span>
<a name="line-513"></a>    <span class='hs-varid'>escapeSegment</span> <span class='hs-varid'>txt</span>                 <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>xmlChar</span> <span class='hs-varid'>txt</span>
<a name="line-514"></a>
<a name="line-515"></a>    <span class='hs-varid'>allowQuotes</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>quotesAllowed</span>
<a name="line-516"></a>                  <span class='hs-keyword'>then</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>delete</span> <span class='hs-chr'>'"'</span>
<a name="line-517"></a>                  <span class='hs-keyword'>else</span> <span class='hs-varid'>id</span>
<a name="line-518"></a>
<a name="line-519"></a>    <span class='hs-varid'>escs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>allowQuotes</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varid'>htmlEscapes</span>
<a name="line-520"></a>    <span class='hs-varid'>xmlChar</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>escape</span> <span class='hs-varop'>$</span> <span class='hs-varid'>c</span> <span class='hs-varop'>`</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span><span class='hs-varop'>`</span> <span class='hs-varid'>escs</span>
<a name="line-521"></a>
<a name="line-522"></a>    <span class='hs-varid'>numEscape</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escape'</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>&lt;&gt;</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'#'</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>int</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ord</span>
<a name="line-523"></a>    <span class='hs-varid'>escape'</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'&amp;'</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>e</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>char</span> <span class='hs-chr'>';'</span>
<a name="line-524"></a>    <span class='hs-varid'>escape</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escape'</span> <span class='hs-varop'>.</span> <span class='hs-varid'>text</span>
<a name="line-525"></a>
<a name="line-526"></a><a name="unescapeAttribute"></a><span class='hs-definition'>unescapeAttribute</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-527"></a><span class='hs-definition'>unescapeAttribute</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unescapeHtml</span> <span class='hs-conid'>False</span>
<a name="line-528"></a>
<a name="line-529"></a><a name="unescapeValue"></a><span class='hs-definition'>unescapeValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-530"></a><span class='hs-definition'>unescapeValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unescapeHtml</span> <span class='hs-conid'>True</span>
<a name="line-531"></a>
<a name="line-532"></a><a name="unescapeHtml"></a><span class='hs-comment'>-- | Parses an HTML-compatible 'String', de-escaping known characters.</span>
<a name="line-533"></a><span class='hs-comment'>--   Note: this /will/ fail if an unknown non-numeric HTML-escape is</span>
<a name="line-534"></a><span class='hs-comment'>--   used.</span>
<a name="line-535"></a><span class='hs-definition'>unescapeHtml</span>               <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-536"></a><span class='hs-definition'>unescapeHtml</span> <span class='hs-varid'>quotesAllowed</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varop'>.</span> <span class='hs-varid'>catMaybes</span><span class='hs-layout'>)</span>
<a name="line-537"></a>                             <span class='hs-varop'>.</span> <span class='hs-varid'>many1</span> <span class='hs-varop'>.</span> <span class='hs-varid'>oneOf</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>parseEscpd</span>
<a name="line-538"></a>                                               <span class='hs-layout'>,</span> <span class='hs-varid'>validChars</span>
<a name="line-539"></a>                                               <span class='hs-keyglyph'>]</span>
<a name="line-540"></a>  <span class='hs-keyword'>where</span>
<a name="line-541"></a>    <span class='hs-varid'>parseEscpd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Char</span><span class='hs-layout'>)</span>
<a name="line-542"></a>    <span class='hs-varid'>parseEscpd</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>character</span> <span class='hs-chr'>'&amp;'</span>
<a name="line-543"></a>                    <span class='hs-varid'>esc</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>many1Satisfy</span> <span class='hs-layout'>(</span><span class='hs-chr'>';'</span> <span class='hs-varop'>/=</span><span class='hs-layout'>)</span>
<a name="line-544"></a>                    <span class='hs-varid'>character</span> <span class='hs-chr'>';'</span>
<a name="line-545"></a>                    <span class='hs-keyword'>let</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varop'>$</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>toLower</span> <span class='hs-varid'>esc</span> <span class='hs-keyword'>of</span>
<a name="line-546"></a>                              <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-chr'>'#'</span><span class='hs-layout'>,</span><span class='hs-varid'>dec</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-chr'>'x'</span><span class='hs-layout'>,</span><span class='hs-varid'>hex</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varid'>dec</span>
<a name="line-547"></a>                                               <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>readMaybe</span> <span class='hs-varid'>readHex</span> <span class='hs-varop'>$</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>hex</span>
<a name="line-548"></a>                                             <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>
<a name="line-549"></a>                                               <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>readMaybe</span> <span class='hs-varid'>readInt</span> <span class='hs-varop'>$</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varid'>dec</span>
<a name="line-550"></a>                              <span class='hs-keyword'>_</span>                <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>esc</span> <span class='hs-varop'>`</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span><span class='hs-varop'>`</span> <span class='hs-varid'>escMap</span>
<a name="line-551"></a>                    <span class='hs-varid'>return</span> <span class='hs-varid'>c</span>
<a name="line-552"></a>
<a name="line-553"></a>    <span class='hs-varid'>readMaybe</span> <span class='hs-varid'>f</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-varop'>$</span> <span class='hs-varid'>f</span> <span class='hs-varid'>str</span>
<a name="line-554"></a>                         <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>chr</span> <span class='hs-varid'>n</span>
<a name="line-555"></a>    <span class='hs-varid'>readInt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadS</span> <span class='hs-conid'>Int</span>
<a name="line-556"></a>    <span class='hs-varid'>readInt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reads</span>
<a name="line-557"></a>
<a name="line-558"></a>    <span class='hs-varid'>allowQuotes</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>quotesAllowed</span>
<a name="line-559"></a>                  <span class='hs-keyword'>then</span> <span class='hs-varid'>delete</span> <span class='hs-chr'>'"'</span>
<a name="line-560"></a>                  <span class='hs-keyword'>else</span> <span class='hs-varid'>id</span>
<a name="line-561"></a>
<a name="line-562"></a>    <span class='hs-varid'>escMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varid'>htmlUnescapes</span>
<a name="line-563"></a>
<a name="line-564"></a>    <span class='hs-varid'>validChars</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-varop'>`notElem`</span> <span class='hs-varid'>needEscaping</span><span class='hs-layout'>)</span>
<a name="line-565"></a>    <span class='hs-varid'>needEscaping</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>allowQuotes</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>fst</span> <span class='hs-varid'>htmlEscapes</span>
<a name="line-566"></a>
<a name="line-567"></a><a name="htmlEscapes"></a><span class='hs-comment'>-- | The characters that need to be escaped and what they need to be</span>
<a name="line-568"></a><span class='hs-comment'>--   replaced with (sans @'&amp;'@).</span>
<a name="line-569"></a><span class='hs-definition'>htmlEscapes</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'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-570"></a><span class='hs-definition'>htmlEscapes</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span><span class='hs-layout'>,</span> <span class='hs-str'>"quot"</span><span class='hs-layout'>)</span>
<a name="line-571"></a>              <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-chr'>'&lt;'</span><span class='hs-layout'>,</span> <span class='hs-str'>"lt"</span><span class='hs-layout'>)</span>
<a name="line-572"></a>              <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-chr'>'&gt;'</span><span class='hs-layout'>,</span> <span class='hs-str'>"gt"</span><span class='hs-layout'>)</span>
<a name="line-573"></a>              <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-chr'>'&amp;'</span><span class='hs-layout'>,</span> <span class='hs-str'>"amp"</span><span class='hs-layout'>)</span>
<a name="line-574"></a>              <span class='hs-keyglyph'>]</span>
<a name="line-575"></a>              <span class='hs-varop'>++</span> <span class='hs-varid'>map</span> <span class='hs-varid'>numEscape</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'-'</span><span class='hs-layout'>,</span> <span class='hs-chr'>'\''</span><span class='hs-keyglyph'>]</span>
<a name="line-576"></a>  <span class='hs-keyword'>where</span>
<a name="line-577"></a>    <span class='hs-varid'>numEscape</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varop'>$</span> <span class='hs-chr'>'#'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>ord</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-578"></a>
<a name="line-579"></a><a name="htmlUnescapes"></a><span class='hs-comment'>-- | Flip the order and add extra values that might be escaped.  More</span>
<a name="line-580"></a><span class='hs-comment'>--   specifically, provide the escape code for spaces (@\"nbsp\"@) and</span>
<a name="line-581"></a><span class='hs-comment'>--   apostrophes (@\"apos\"@) since they aren't used for escaping.</span>
<a name="line-582"></a><span class='hs-definition'>htmlUnescapes</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-layout'>,</span> <span class='hs-conid'>Char</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-583"></a><span class='hs-definition'>htmlUnescapes</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybeEscaped</span>
<a name="line-584"></a>                <span class='hs-varop'>++</span>
<a name="line-585"></a>                <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varop'>$</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>(,)</span><span class='hs-layout'>)</span> <span class='hs-varid'>htmlEscapes</span>
<a name="line-586"></a>  <span class='hs-keyword'>where</span>
<a name="line-587"></a>    <span class='hs-varid'>maybeEscaped</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-str'>"nbsp"</span><span class='hs-layout'>,</span> <span class='hs-chr'>' '</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"apos"</span><span class='hs-layout'>,</span> <span class='hs-chr'>'\''</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-588"></a>
<a name="line-589"></a><a name="printBoolHtml"></a><span class='hs-definition'>printBoolHtml</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-590"></a><span class='hs-definition'>printBoolHtml</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>bool</span> <span class='hs-str'>"FALSE"</span> <span class='hs-str'>"TRUE"</span>
<a name="line-591"></a>
<a name="line-592"></a><a name="parseBoolHtml"></a><span class='hs-definition'>parseBoolHtml</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>Bool</span>
<a name="line-593"></a><span class='hs-definition'>parseBoolHtml</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>stringRep</span> <span class='hs-conid'>True</span> <span class='hs-str'>"TRUE"</span>
<a name="line-594"></a>                <span class='hs-varop'>`onFail`</span>
<a name="line-595"></a>                <span class='hs-varid'>stringRep</span> <span class='hs-conid'>False</span> <span class='hs-str'>"FALSE"</span>
<a name="line-596"></a>
<a name="line-597"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-598"></a>
<a name="line-599"></a><a name="printTag"></a><span class='hs-comment'>-- | Print something like @&lt;FOO ATTR=\"ATTR_VALUE\"&gt;value&lt;\/FOO&gt;@</span>
<a name="line-600"></a><span class='hs-definition'>printTag</span>        <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-601"></a><span class='hs-definition'>printTag</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>angled</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varop'>&lt;+&gt;</span> <span class='hs-varid'>toDot</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span>
<a name="line-602"></a>                      <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>v</span>
<a name="line-603"></a>                      <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>angled</span> <span class='hs-layout'>(</span><span class='hs-varid'>fslash</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-604"></a>
<a name="line-605"></a><a name="printFontTag"></a><span class='hs-definition'>printFontTag</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-606"></a><span class='hs-definition'>printFontTag</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>printTag</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"FONT"</span><span class='hs-layout'>)</span>
<a name="line-607"></a>
<a name="line-608"></a><a name="printEmptyTag"></a><span class='hs-comment'>-- | Print something like @&lt;FOO ATTR=\"ATTR_VALUE\"\/&gt;@</span>
<a name="line-609"></a><span class='hs-definition'>printEmptyTag</span>      <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DotCode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DotCode</span>
<a name="line-610"></a><span class='hs-definition'>printEmptyTag</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>angled</span> <span class='hs-varop'>$</span> <span class='hs-varid'>t</span> <span class='hs-varop'>&lt;+&gt;</span> <span class='hs-varid'>toDot</span> <span class='hs-keyword'>as</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-varid'>fslash</span>
<a name="line-611"></a>
<a name="line-612"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-613"></a>
<a name="line-614"></a><span class='hs-comment'>-- Note: can't use bracket here because we're not completely</span>
<a name="line-615"></a><span class='hs-comment'>-- discarding everything from the opening bracket.</span>
<a name="line-616"></a>
<a name="line-617"></a><span class='hs-comment'>-- Not using parseTagRep for parseTag because open/close case</span>
<a name="line-618"></a><span class='hs-comment'>-- is different; worth fixing?</span>
<a name="line-619"></a>
<a name="line-620"></a><a name="parseTag"></a><span class='hs-comment'>-- | Parse something like @&lt;FOO ATTR=\"ATTR_VALUE\"&gt;value&lt;\/FOO&gt;@</span>
<a name="line-621"></a><span class='hs-definition'>parseTag</span>        <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tag</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-622"></a>                       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>tag</span>
<a name="line-623"></a><span class='hs-definition'>parseTag</span> <span class='hs-varid'>c</span> <span class='hs-varid'>t</span> <span class='hs-varid'>pv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>parseAngled</span> <span class='hs-varid'>openingTag</span>
<a name="line-624"></a>                    <span class='hs-varop'>&lt;*&gt;</span> <span class='hs-varid'>pv</span>
<a name="line-625"></a>                    <span class='hs-varop'>&lt;*</span> <span class='hs-varid'>parseAngled</span> <span class='hs-layout'>(</span><span class='hs-varid'>character</span> <span class='hs-chr'>'/'</span> <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>t'</span> <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>whitespace</span><span class='hs-layout'>)</span>
<a name="line-626"></a>                  <span class='hs-varop'>`adjustErr`</span>
<a name="line-627"></a>                  <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-str'>"Can't parse Html tag: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n\t"</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-628"></a>  <span class='hs-keyword'>where</span>
<a name="line-629"></a>    <span class='hs-varid'>t'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>string</span> <span class='hs-varid'>t</span>
<a name="line-630"></a>    <span class='hs-varid'>openingTag</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span> <span class='hs-conid'>Attributes</span>
<a name="line-631"></a>    <span class='hs-varid'>openingTag</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t'</span>
<a name="line-632"></a>                 <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>tryParseList'</span> <span class='hs-layout'>(</span><span class='hs-varid'>whitespace1</span> <span class='hs-varop'>&gt;&gt;</span> <span class='hs-varid'>parse</span><span class='hs-layout'>)</span>
<a name="line-633"></a>                 <span class='hs-varop'>&lt;*</span> <span class='hs-varid'>whitespace</span>
<a name="line-634"></a>
<a name="line-635"></a><a name="parseFontTag"></a><span class='hs-definition'>parseFontTag</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tag</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>tag</span>
<a name="line-636"></a><span class='hs-definition'>parseFontTag</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varop'>`parseTag`</span> <span class='hs-str'>"FONT"</span><span class='hs-layout'>)</span>
<a name="line-637"></a>
<a name="line-638"></a><span class='hs-comment'>-- Should this just be specialised for tagName ~ Format ?</span>
<a name="line-639"></a>
<a name="line-640"></a><a name="parseTagRep"></a><span class='hs-comment'>-- | Parse something like @&lt;FOO&gt;value&lt;\/FOO&gt;@.</span>
<a name="line-641"></a><span class='hs-definition'>parseTagRep</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>tagName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tag</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>tagName</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>tag</span>
<a name="line-642"></a><span class='hs-definition'>parseTagRep</span> <span class='hs-varid'>c</span> <span class='hs-varid'>pt</span> <span class='hs-varid'>pv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>parseAngled</span> <span class='hs-layout'>(</span><span class='hs-varid'>pt</span> <span class='hs-varop'>`discard`</span> <span class='hs-varid'>whitespace</span><span class='hs-layout'>)</span>
<a name="line-643"></a>                        <span class='hs-varop'>&lt;*&gt;</span> <span class='hs-varid'>pv</span>
<a name="line-644"></a>                        <span class='hs-varop'>&lt;*</span> <span class='hs-varid'>parseAngled</span> <span class='hs-layout'>(</span><span class='hs-varid'>character</span> <span class='hs-chr'>'/'</span> <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>pt</span> <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>whitespace</span><span class='hs-layout'>)</span>
<a name="line-645"></a>                    <span class='hs-varop'>`adjustErr`</span>
<a name="line-646"></a>                    <span class='hs-layout'>(</span><span class='hs-str'>"Can't parse attribute-less Html tag\n\t"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
<a name="line-647"></a>
<a name="line-648"></a><a name="parseEmptyTag"></a><span class='hs-comment'>-- | Parse something like @&lt;FOO ATTR=\"ATTR_VALUE\"\/&gt;@</span>
<a name="line-649"></a><span class='hs-definition'>parseEmptyTag</span>     <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>tag</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Parse</span> <span class='hs-varid'>tag</span>
<a name="line-650"></a><span class='hs-definition'>parseEmptyTag</span> <span class='hs-varid'>c</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>parseAngled</span>
<a name="line-651"></a>                        <span class='hs-layout'>(</span> <span class='hs-varid'>string</span> <span class='hs-varid'>t</span>
<a name="line-652"></a>                          <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>tryParseList'</span> <span class='hs-layout'>(</span><span class='hs-varid'>whitespace1</span> <span class='hs-varop'>*&gt;</span> <span class='hs-varid'>parse</span><span class='hs-layout'>)</span>
<a name="line-653"></a>                          <span class='hs-varop'>&lt;*</span> <span class='hs-varid'>whitespace</span>
<a name="line-654"></a>                          <span class='hs-varop'>&lt;*</span> <span class='hs-varid'>character</span> <span class='hs-chr'>'/'</span>
<a name="line-655"></a>                        <span class='hs-layout'>)</span>
<a name="line-656"></a>                    <span class='hs-varop'>`adjustErr`</span>
<a name="line-657"></a>                    <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-str'>"Can't parse empty Html tag: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\n\t"</span><span class='hs-layout'>)</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span>
</pre></body>
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