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<title>Language/Haskell/HsColour/MIRC.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- | Formats Haskell source code using mIRC codes.</span>
<a name="line-2"></a><span class='hs-comment'>-- (see http:\/\/irssi.org\/documentation\/formats)</span>
<a name="line-3"></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'>MIRC</span> <span class='hs-layout'>(</span><span class='hs-varid'>hscolour</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<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'>Classify</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Classify</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'>Colourise</span>
<a name="line-7"></a>
<a name="line-8"></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-9"></a>
<a name="line-10"></a>
<a name="line-11"></a><a name="hscolour"></a><span class='hs-comment'>-- | Formats Haskell source code using mIRC codes.</span>
<a name="line-12"></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-13"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Haskell source code.</span>
<a name="line-14"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Coloured Haskell source code.</span>
<a name="line-15"></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-16"></a>
<a name="line-17"></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-18"></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> <span class='hs-varid'>s</span>
<a name="line-19"></a>
<a name="line-20"></a>
<a name="line-21"></a><a name="fontify"></a><span class='hs-comment'>-- mIRC stuff</span>
<a name="line-22"></a><span class='hs-definition'>fontify</span> <span class='hs-varid'>hs</span> <span class='hs-keyglyph'>=</span>
<a name="line-23"></a> <span class='hs-varid'>mircColours</span> <span class='hs-layout'>(</span><span class='hs-varid'>joinColours</span> <span class='hs-varid'>hs</span><span class='hs-layout'>)</span>
<a name="line-24"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>highlight</span> <span class='hs-layout'>(</span><span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varop'>`elem`</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Normal</span><span class='hs-layout'>,</span><span class='hs-conid'>Bold</span><span class='hs-layout'>,</span><span class='hs-conid'>Underscore</span><span class='hs-layout'>,</span><span class='hs-conid'>ReverseVideo</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>hs</span><span class='hs-layout'>)</span>
<a name="line-25"></a> <span class='hs-keyword'>where</span>
<a name="line-26"></a> <span class='hs-varid'>highlight</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-27"></a> <span class='hs-varid'>highlight</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'>highlight</span> <span class='hs-varid'>hs</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-28"></a>
<a name="line-29"></a> <span class='hs-varid'>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-30"></a> <span class='hs-varid'>font</span> <span class='hs-conid'>Bold</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\^B'</span><span class='hs-conop'>:</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"\^B"</span>
<a name="line-31"></a> <span class='hs-varid'>font</span> <span class='hs-conid'>Underscore</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\^_'</span><span class='hs-conop'>:</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"\^_"</span>
<a name="line-32"></a> <span class='hs-varid'>font</span> <span class='hs-conid'>ReverseVideo</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\^V'</span><span class='hs-conop'>:</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"\^V"</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="MircColour"></a><span class='hs-comment'>-- mIRC combines colour codes in a non-modular way</span>
<a name="line-35"></a><a name="MircColour"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MircColour</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Mirc</span> <span class='hs-layout'>{</span> <span class='hs-varid'>fg</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Colour</span><span class='hs-layout'>,</span> <span class='hs-varid'>dim</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Bool</span><span class='hs-layout'>,</span> <span class='hs-varid'>bg</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Colour</span><span class='hs-layout'>,</span> <span class='hs-varid'>blink</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Bool</span><span class='hs-layout'>}</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="joinColours"></a><span class='hs-definition'>joinColours</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Highlight</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MircColour</span>
<a name="line-38"></a><span class='hs-definition'>joinColours</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldr</span> <span class='hs-varid'>join</span> <span class='hs-layout'>(</span><span class='hs-conid'>Mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>fg</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Black</span><span class='hs-layout'>,</span> <span class='hs-varid'>dim</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-varid'>bg</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span> <span class='hs-varid'>blink</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>False</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-39"></a> <span class='hs-keyword'>where</span>
<a name="line-40"></a> <span class='hs-varid'>join</span> <span class='hs-conid'>Blink</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>blink</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>True</span><span class='hs-layout'>}</span>
<a name="line-41"></a> <span class='hs-varid'>join</span> <span class='hs-conid'>Dim</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>dim</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>True</span><span class='hs-layout'>}</span>
<a name="line-42"></a> <span class='hs-varid'>join</span> <span class='hs-layout'>(</span><span class='hs-conid'>Foreground</span> <span class='hs-varid'>fg</span><span class='hs-layout'>)</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>fg</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>fg</span><span class='hs-layout'>}</span>
<a name="line-43"></a> <span class='hs-varid'>join</span> <span class='hs-layout'>(</span><span class='hs-conid'>Background</span> <span class='hs-varid'>bg</span><span class='hs-layout'>)</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>bg</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bg</span><span class='hs-layout'>}</span>
<a name="line-44"></a> <span class='hs-varid'>join</span> <span class='hs-conid'>Concealed</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span> <span class='hs-layout'>{</span><span class='hs-varid'>fg</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Black</span><span class='hs-layout'>,</span> <span class='hs-varid'>bg</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-conid'>Black</span><span class='hs-layout'>}</span>
<a name="line-45"></a> <span class='hs-varid'>join</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>mirc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mirc</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="mircColours"></a><span class='hs-definition'>mircColours</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MircColour</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-48"></a><span class='hs-definition'>mircColours</span> <span class='hs-layout'>(</span><span class='hs-conid'>Mirc</span> <span class='hs-varid'>fg</span> <span class='hs-varid'>dim</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>blink</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\^C'</span><span class='hs-conop'>:</span> <span class='hs-varid'>code</span> <span class='hs-varid'>fg</span> <span class='hs-varid'>dim</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"\^O"</span>
<a name="line-49"></a><span class='hs-definition'>mircColours</span> <span class='hs-layout'>(</span><span class='hs-conid'>Mirc</span> <span class='hs-varid'>fg</span> <span class='hs-varid'>dim</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bg</span><span class='hs-layout'>)</span> <span class='hs-varid'>blink</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\^C'</span><span class='hs-conop'>:</span> <span class='hs-varid'>code</span> <span class='hs-varid'>fg</span> <span class='hs-varid'>dim</span><span class='hs-varop'>++</span><span class='hs-chr'>','</span>
<a name="line-50"></a> <span class='hs-conop'>:</span> <span class='hs-varid'>code</span> <span class='hs-varid'>bg</span> <span class='hs-varid'>blink</span><span class='hs-varop'>++</span><span class='hs-varid'>s</span><span class='hs-varop'>++</span><span class='hs-str'>"\^O"</span>
<a name="line-51"></a>
<a name="line-52"></a><a name="code"></a><span class='hs-definition'>code</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Colour</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-53"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Black</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"1"</span>
<a name="line-54"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Red</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"5"</span>
<a name="line-55"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Green</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"3"</span>
<a name="line-56"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Yellow</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"7"</span>
<a name="line-57"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Blue</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"2"</span>
<a name="line-58"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Magenta</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"6"</span>
<a name="line-59"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Cyan</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"10"</span>
<a name="line-60"></a><span class='hs-definition'>code</span> <span class='hs-conid'>White</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"0"</span>
<a name="line-61"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Black</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"14"</span>
<a name="line-62"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Red</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"4"</span>
<a name="line-63"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Green</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"9"</span>
<a name="line-64"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Yellow</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"8"</span>
<a name="line-65"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Blue</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"12"</span>
<a name="line-66"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Magenta</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"13"</span>
<a name="line-67"></a><span class='hs-definition'>code</span> <span class='hs-conid'>Cyan</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"11"</span>
<a name="line-68"></a><span class='hs-definition'>code</span> <span class='hs-conid'>White</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"15"</span>
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