<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Language/Haskell/HsColour/HTML.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-- | Formats Haskell source code using HTML with font tags.</span> <a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>HsColour</span><span class='hs-varop'>.</span><span class='hs-conid'>HTML</span> <a name="line-3"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>hscolour</span> <a name="line-4"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>top'n'tail</span> <a name="line-5"></a> <span class='hs-comment'>-- * Internals</span> <a name="line-6"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>renderAnchors</span><span class='hs-layout'>,</span> <span class='hs-varid'>renderComment</span><span class='hs-layout'>,</span> <span class='hs-varid'>renderNewLinesAnchors</span><span class='hs-layout'>,</span> <span class='hs-varid'>escape</span> <a name="line-7"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-8"></a> <a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>HsColour</span><span class='hs-varop'>.</span><span class='hs-conid'>Anchors</span> <a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>HsColour</span><span class='hs-varop'>.</span><span class='hs-conid'>Classify</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Classify</span> <a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>HsColour</span><span class='hs-varop'>.</span><span class='hs-conid'>Colourise</span> <a name="line-12"></a> <a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Char</span><span class='hs-layout'>(</span><span class='hs-varid'>isAlphaNum</span><span class='hs-layout'>)</span> <a name="line-14"></a> <a name="line-15"></a> <a name="line-16"></a><a name="hscolour"></a><span class='hs-comment'>-- | Formats Haskell source code using HTML with font tags.</span> <a name="line-17"></a><span class='hs-definition'>hscolour</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColourPrefs</span> <span class='hs-comment'>-- ^ Colour preferences.</span> <a name="line-18"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Whether to include anchors.</span> <a name="line-19"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Haskell source code.</span> <a name="line-20"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Coloured Haskell source code.</span> <a name="line-21"></a><span class='hs-definition'>hscolour</span> <span class='hs-varid'>pref</span> <span class='hs-varid'>anchor</span> <span class='hs-keyglyph'>=</span> <a name="line-22"></a> <span class='hs-varid'>pre</span> <a name="line-23"></a> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>anchor</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>renderNewLinesAnchors</span> <a name="line-24"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>renderAnchors</span> <span class='hs-layout'>(</span><span class='hs-varid'>renderToken</span> <span class='hs-varid'>pref</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-25"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>insertAnchors</span> <a name="line-26"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>renderToken</span> <span class='hs-varid'>pref</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-27"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>tokenise</span> <a name="line-28"></a> <a name="line-29"></a><a name="top'n'tail"></a><span class='hs-definition'>top'n'tail</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-30"></a><span class='hs-definition'>top'n'tail</span> <span class='hs-varid'>title</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>htmlHeader</span> <span class='hs-varid'>title</span> <span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>++</span><span class='hs-varid'>htmlClose</span><span class='hs-layout'>)</span> <a name="line-31"></a> <a name="line-32"></a><a name="pre"></a><span class='hs-definition'>pre</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-33"></a><span class='hs-definition'>pre</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"<pre>"</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>++</span><span class='hs-str'>"</pre>"</span><span class='hs-layout'>)</span> <a name="line-34"></a> <a name="line-35"></a><a name="renderToken"></a><span class='hs-definition'>renderToken</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColourPrefs</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TokenType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-36"></a><span class='hs-definition'>renderToken</span> <span class='hs-varid'>pref</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fontify</span> <span class='hs-layout'>(</span><span class='hs-varid'>colourise</span> <span class='hs-varid'>pref</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <a name="line-37"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>t</span> <span class='hs-varop'>==</span> <span class='hs-conid'>Comment</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>renderComment</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>escape</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <a name="line-38"></a> <a name="line-39"></a><a name="renderAnchors"></a><span class='hs-definition'>renderAnchors</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>TokenType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>-></span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <a name="line-40"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>TokenType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-41"></a><span class='hs-definition'>renderAnchors</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<a name=\""</span><span class='hs-varop'>++</span><span class='hs-varid'>v</span><span class='hs-varop'>++</span><span class='hs-str'>"\"></a>"</span> <a name="line-42"></a><span class='hs-definition'>renderAnchors</span> <span class='hs-varid'>render</span> <span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>render</span> <span class='hs-varid'>r</span> <a name="line-43"></a> <a name="line-44"></a><a name="renderComment"></a><span class='hs-comment'>-- if there are <a href="http://links/">http://links/</a> in a comment, turn them into</span> <a name="line-45"></a><span class='hs-comment'>-- hyperlinks</span> <a name="line-46"></a><span class='hs-definition'>renderComment</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-47"></a><span class='hs-definition'>renderComment</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'h'</span><span class='hs-conop'>:</span><span class='hs-chr'>'t'</span><span class='hs-conop'>:</span><span class='hs-chr'>'t'</span><span class='hs-conop'>:</span><span class='hs-chr'>'p'</span><span class='hs-conop'>:</span><span class='hs-chr'>':'</span><span class='hs-conop'>:</span><span class='hs-chr'>'/'</span><span class='hs-conop'>:</span><span class='hs-chr'>'/'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <a name="line-48"></a> <span class='hs-varid'>renderLink</span> <span class='hs-varid'>a</span> <span class='hs-varop'>++</span> <span class='hs-varid'>renderComment</span> <span class='hs-varid'>b</span> <a name="line-49"></a> <span class='hs-keyword'>where</span> <a name="line-50"></a> <span class='hs-comment'>-- see <a href="http://www.gbiv.com/protocols/uri/rfc/rfc3986.html#characters">http://www.gbiv.com/protocols/uri/rfc/rfc3986.html#characters</a></span> <a name="line-51"></a> <span class='hs-varid'>isUrlChar</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isAlphaNum</span> <span class='hs-varid'>x</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>":/?#[]@!$&'()*+,;=-._~%"</span> <a name="line-52"></a> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>span</span> <span class='hs-varid'>isUrlChar</span> <span class='hs-varid'>xs</span> <a name="line-53"></a> <span class='hs-varid'>renderLink</span> <span class='hs-varid'>link</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<a href=\""</span> <span class='hs-varop'>++</span> <span class='hs-varid'>link</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\">"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>escape</span> <span class='hs-varid'>link</span> <span class='hs-varop'>++</span> <span class='hs-str'>"</a>"</span> <a name="line-54"></a> <a name="line-55"></a><span class='hs-definition'>renderComment</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escape</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>renderComment</span> <span class='hs-varid'>xs</span> <a name="line-56"></a><span class='hs-definition'>renderComment</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-57"></a> <a name="line-58"></a><a name="renderNewLinesAnchors"></a><span class='hs-definition'>renderNewLinesAnchors</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-59"></a><span class='hs-definition'>renderNewLinesAnchors</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>render</span> <span class='hs-varop'>.</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lines</span> <a name="line-60"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>render</span> <span class='hs-layout'>(</span><span class='hs-varid'>line</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<a name=\"line-"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>line</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\"></a>"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s</span> <a name="line-61"></a> <a name="line-62"></a><a name="fontify"></a><span class='hs-comment'>-- Html stuff</span> <a name="line-63"></a><span class='hs-definition'>fontify</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <a name="line-64"></a><span class='hs-definition'>fontify</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-conop'>:</span><span class='hs-varid'>hs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>font</span> <span class='hs-varid'>h</span> <span class='hs-layout'>(</span><span class='hs-varid'>fontify</span> <span class='hs-varid'>hs</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <a name="line-65"></a> <a name="line-66"></a><a name="font"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Normal</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <a name="line-67"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Bold</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<b>"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</b>"</span> <a name="line-68"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Dim</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<em>"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</em>"</span> <a name="line-69"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Underscore</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<u>"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</u>"</span> <a name="line-70"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Blink</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<blink>"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</blink>"</span> <a name="line-71"></a><span class='hs-definition'>font</span> <span class='hs-conid'>ReverseVideo</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <a name="line-72"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Concealed</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <a name="line-73"></a><span class='hs-definition'>font</span> <span class='hs-layout'>(</span><span class='hs-conid'>Foreground</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<font color="</span><span class='hs-varop'>++</span><span class='hs-varid'>show</span> <span class='hs-varid'>c</span><span class='hs-varop'>++</span><span class='hs-str'>">"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</font>"</span> <a name="line-74"></a><span class='hs-definition'>font</span> <span class='hs-layout'>(</span><span class='hs-conid'>Background</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<font bgcolor="</span><span class='hs-varop'>++</span><span class='hs-varid'>show</span> <span class='hs-varid'>c</span><span class='hs-varop'>++</span><span class='hs-str'>">"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</font>"</span> <a name="line-75"></a><span class='hs-definition'>font</span> <span class='hs-conid'>Italic</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<i>"</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"</i>"</span> <a name="line-76"></a> <a name="line-77"></a><a name="escape"></a><span class='hs-definition'>escape</span> <span class='hs-layout'>(</span><span class='hs-chr'>'<'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&lt;"</span><span class='hs-varop'>++</span><span class='hs-varid'>escape</span> <span class='hs-varid'>cs</span> <a name="line-78"></a><span class='hs-definition'>escape</span> <span class='hs-layout'>(</span><span class='hs-chr'>'>'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&gt;"</span><span class='hs-varop'>++</span><span class='hs-varid'>escape</span> <span class='hs-varid'>cs</span> <a name="line-79"></a><span class='hs-definition'>escape</span> <span class='hs-layout'>(</span><span class='hs-chr'>'&'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&amp;"</span><span class='hs-varop'>++</span><span class='hs-varid'>escape</span> <span class='hs-varid'>cs</span> <a name="line-80"></a><span class='hs-definition'>escape</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span><span class='hs-conop'>:</span> <span class='hs-varid'>escape</span> <span class='hs-varid'>cs</span> <a name="line-81"></a><span class='hs-definition'>escape</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-82"></a> <a name="line-83"></a><a name="htmlHeader"></a><span class='hs-definition'>htmlHeader</span> <span class='hs-varid'>title</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <a name="line-84"></a> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">"</span> <a name="line-85"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"<html>"</span> <a name="line-86"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"<head>"</span> <a name="line-87"></a> <span class='hs-layout'>,</span><span class='hs-str'>"<!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ -->"</span> <a name="line-88"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"<title>"</span><span class='hs-varop'>++</span><span class='hs-varid'>title</span><span class='hs-varop'>++</span><span class='hs-str'>"</title>"</span> <a name="line-89"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"</head>"</span> <a name="line-90"></a> <span class='hs-layout'>,</span> <span class='hs-str'>"<body>"</span> <a name="line-91"></a> <span class='hs-keyglyph'>]</span> <a name="line-92"></a><a name="htmlClose"></a><span class='hs-definition'>htmlClose</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\n</body>\n</html>"</span> </pre></body> </html>
