<!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/LaTeX.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 LaTeX macros.</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'>LaTeX</span> <span class='hs-layout'>(</span><span class='hs-varid'>hscolour</span><span class='hs-layout'>,</span> <span class='hs-varid'>top'n'tail</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-3"></a> <a name="line-4"></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-5"></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-6"></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'>General</span> <a name="line-7"></a> <a name="line-8"></a><a name="hscolour"></a><span class='hs-comment'>-- | Formats Haskell source code as a complete LaTeX document.</span> <a name="line-9"></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-10"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Haskell source code.</span> <a name="line-11"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ A LaTeX document\/fragment containing the coloured </span> <a name="line-12"></a> <span class='hs-comment'>-- Haskell source code.</span> <a name="line-13"></a><span class='hs-definition'>hscolour</span> <span class='hs-varid'>pref</span> <span class='hs-keyglyph'>=</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-varop'>.</span> <span class='hs-varid'>tokenise</span> <a name="line-14"></a> <a name="line-15"></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-16"></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'>latexPrefix</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'>latexSuffix</span><span class='hs-layout'>)</span> <a name="line-17"></a> <a name="line-18"></a><a name="renderToken"></a><span class='hs-comment'>-- | Wrap each lexeme in the appropriate LaTeX macro.</span> <a name="line-19"></a><span class='hs-comment'>-- TODO: filter dangerous characters like "{}_$"</span> <a name="line-20"></a><span class='hs-definition'>renderToken</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColourPrefs</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>TokenType</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-21"></a><span class='hs-definition'>renderToken</span> <span class='hs-varid'>pref</span> <span class='hs-layout'>(</span><span class='hs-conid'>Space</span><span class='hs-layout'>,</span><span class='hs-varid'>text</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filterSpace</span> <span class='hs-varid'>text</span> <a name="line-22"></a><span class='hs-definition'>renderToken</span> <span class='hs-varid'>pref</span> <span class='hs-layout'>(</span><span class='hs-varid'>cls</span><span class='hs-layout'>,</span><span class='hs-varid'>text</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <a name="line-23"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>symb</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cls</span> <span class='hs-keyword'>of</span> <a name="line-24"></a> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>"``"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropFirst</span> <span class='hs-chr'>'\"'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropLast</span> <span class='hs-chr'>'\"'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>text</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"''"</span> <a name="line-25"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <a name="line-26"></a> <span class='hs-varid'>style</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>colourise</span> <span class='hs-varid'>pref</span> <span class='hs-varid'>cls</span> <a name="line-27"></a> <span class='hs-layout'>(</span><span class='hs-varid'>pre</span><span class='hs-layout'>,</span> <span class='hs-varid'>post</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unzip</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>latexHighlight</span> <span class='hs-varid'>style</span> <a name="line-28"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>pre</span> <span class='hs-varop'>++</span> <span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>symb</span> <span class='hs-varop'>++</span> <span class='hs-varid'>concat</span> <span class='hs-varid'>post</span> <a name="line-29"></a> <a name="line-30"></a><a name="filterSpace"></a><span class='hs-comment'>-- | Filter white space characters.</span> <a name="line-31"></a><span class='hs-definition'>filterSpace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <a name="line-32"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-33"></a><span class='hs-definition'>filterSpace</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpace</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <a name="line-34"></a><span class='hs-definition'>filterSpace</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\\hsspace "</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpace</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <a name="line-35"></a><span class='hs-definition'>filterSpace</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\t'</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\\hstab "</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpace</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <a name="line-36"></a><span class='hs-definition'>filterSpace</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</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-layout'>(</span><span class='hs-varid'>filterSpace</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <a name="line-37"></a><span class='hs-definition'>filterSpace</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-38"></a> <a name="line-39"></a><a name="filterSpecial"></a><span class='hs-comment'>-- | Filters the characters "#$%&~_^\{}" which are special</span> <a name="line-40"></a><span class='hs-comment'>-- in LaTeX.</span> <a name="line-41"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ The string to filter. </span> <a name="line-42"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ The LaTeX-safe string.</span> <a name="line-43"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-layout'>(</span><span class='hs-chr'>'#'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'#'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-44"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-layout'>(</span><span class='hs-chr'>'$'</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'$'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-45"></a><span class='hs-definition'>filterSpecial</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'%'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-46"></a><span class='hs-definition'>filterSpecial</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'&'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-47"></a><span class='hs-definition'>filterSpecial</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'>"\\tilde{ }"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-48"></a><span class='hs-definition'>filterSpecial</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'_'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-49"></a><span class='hs-definition'>filterSpecial</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'>"\\ensuremath{\\hat{ }}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-50"></a><span class='hs-definition'>filterSpecial</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'>"$\\backslash$"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-51"></a><span class='hs-definition'>filterSpecial</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'{'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-52"></a><span class='hs-definition'>filterSpecial</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'}'</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-53"></a><span class='hs-definition'>filterSpecial</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'>"\\ensuremath{|}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-54"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-layout'>(</span><span class='hs-chr'>'<'</span><span class='hs-conop'>:</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'>"\\ensuremath{\\leftarrow}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-55"></a><span class='hs-definition'>filterSpecial</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'>"\\ensuremath{\\langle}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-56"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</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'>"\\ensuremath{\\rightarrow}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-57"></a><span class='hs-definition'>filterSpecial</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'>"\\ensuremath{\\rangle}"</span><span class='hs-varop'>++</span><span class='hs-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-58"></a><span class='hs-definition'>filterSpecial</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-layout'>(</span><span class='hs-varid'>filterSpecial</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <a name="line-59"></a><span class='hs-definition'>filterSpecial</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-60"></a> <a name="line-61"></a> <a name="line-62"></a><a name="latexHighlight"></a><span class='hs-comment'>-- | Constructs the appropriate LaTeX macro for the given style.</span> <a name="line-63"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Highlight</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <a name="line-64"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Normal</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"{\\rm{}"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-65"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Bold</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"{\\bf{}"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-66"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Dim</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <a name="line-67"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Underscore</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"\\underline{"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-68"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Blink</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <a name="line-69"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>ReverseVideo</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <a name="line-70"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Concealed</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"\\conceal{"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-71"></a><span class='hs-definition'>latexHighlight</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-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"\\textcolor{"</span><span class='hs-varop'>++</span> <span class='hs-varid'>latexColour</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span><span class='hs-str'>"}{"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-72"></a><span class='hs-definition'>latexHighlight</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-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"\\colorbox{"</span><span class='hs-varop'>++</span> <span class='hs-varid'>latexColour</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span><span class='hs-str'>"}{"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-73"></a><span class='hs-definition'>latexHighlight</span> <span class='hs-conid'>Italic</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"{\\it{}"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-layout'>)</span> <a name="line-74"></a> <a name="line-75"></a><a name="latexColour"></a><span class='hs-comment'>-- | Translate a 'Colour' into a LaTeX colour name.</span> <a name="line-76"></a><span class='hs-definition'>latexColour</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Colour</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-77"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Black</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"black"</span> <a name="line-78"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Red</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"red"</span> <a name="line-79"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Green</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"green"</span> <a name="line-80"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Yellow</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"yellow"</span> <a name="line-81"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Blue</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"blue"</span> <a name="line-82"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Magenta</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"magenta"</span> <a name="line-83"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>Cyan</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"cyan"</span> <a name="line-84"></a><span class='hs-definition'>latexColour</span> <span class='hs-conid'>White</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"white"</span> <a name="line-85"></a> <a name="line-86"></a><a name="latexPrefix"></a><span class='hs-comment'>-- | Generic LaTeX document preamble.</span> <a name="line-87"></a><span class='hs-definition'>latexPrefix</span> <span class='hs-varid'>title</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <a name="line-88"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"\\documentclass[a4paper, 12pt]{article}"</span> <a name="line-89"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\usepackage[usenames]{color}"</span> <a name="line-90"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\usepackage{hyperref}"</span> <a name="line-91"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\newsavebox{\\spaceb}"</span> <a name="line-92"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\newsavebox{\\tabb}"</span> <a name="line-93"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\savebox{\\spaceb}[1ex]{~}"</span> <a name="line-94"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\savebox{\\tabb}[4ex]{~}"</span> <a name="line-95"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\newcommand{\\hsspace}{\\usebox{\\spaceb}}"</span> <a name="line-96"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\newcommand{\\hstab}{\\usebox{\\tabb}}"</span> <a name="line-97"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\newcommand{\\conceal}[1]{}"</span> <a name="line-98"></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'>"}"</span> <a name="line-99"></a> <span class='hs-layout'>,</span><span class='hs-str'>"%% Generated by HsColour"</span> <a name="line-100"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\begin{document}"</span> <a name="line-101"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\maketitle"</span> <a name="line-102"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\noindent"</span> <a name="line-103"></a> <span class='hs-keyglyph'>]</span> <a name="line-104"></a> <a name="line-105"></a><a name="latexSuffix"></a><span class='hs-comment'>-- | Generic LaTeX document postamble.</span> <a name="line-106"></a><span class='hs-definition'>latexSuffix</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <a name="line-107"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>""</span> <a name="line-108"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\\end{document}"</span> <a name="line-109"></a> <span class='hs-keyglyph'>]</span> </pre></body> </html>