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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-comment'>-- | A module to represent text with very basic formatting. Values are of</span>
<a name="line-3"></a><span class='hs-comment'>-- type ['Text'] and shown with 'showText'.</span>
<a name="line-4"></a><span class='hs-comment'>--</span>
<a name="line-5"></a><span class='hs-comment'>-- As an example of the formatting:</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- > [Line "Cooking for hungry people."</span>
<a name="line-8"></a><span class='hs-comment'>-- > ,Line "Welcome to my cookery recipe program, I sure hope you enjoy using it!"</span>
<a name="line-9"></a><span class='hs-comment'>-- > ,Line ""</span>
<a name="line-10"></a><span class='hs-comment'>-- > ,Cols ["Omlette"," A tasty eggy treat."]</span>
<a name="line-11"></a><span class='hs-comment'>-- > ,Cols [" -m"," --mushrooms"," Some mushrooms, or in fact any other ingredients you have in the cupboards"]</span>
<a name="line-12"></a><span class='hs-comment'>-- > ,Cols [" -e"," --eggs", " But always you need eggs"]</span>
<a name="line-13"></a><span class='hs-comment'>-- > ,Line ""</span>
<a name="line-14"></a><span class='hs-comment'>-- > ,Cols ["Spagetti Bolognaise", " An Italian delight."]</span>
<a name="line-15"></a><span class='hs-comment'>-- > ,Cols [" -s"," --spagetti"," The first word in the name"]</span>
<a name="line-16"></a><span class='hs-comment'>-- > ,Cols [" -b"," --bolognaise"," The second word in the name"]</span>
<a name="line-17"></a><span class='hs-comment'>-- > ,Cols [" -d"," --dolmio"," The magic ingredient!"]</span>
<a name="line-18"></a><span class='hs-comment'>-- > ,Line ""</span>
<a name="line-19"></a><span class='hs-comment'>-- > ,Line " The author of this program explicitly disclaims any liability for poisoning people who get their recipes off the internet."]</span>
<a name="line-20"></a><span class='hs-comment'>--</span>
<a name="line-21"></a><span class='hs-comment'>-- With @putStrLn ('showText' ('Wrap' 50) demo)@ gives:</span>
<a name="line-22"></a><span class='hs-comment'>--</span>
<a name="line-23"></a><span class='hs-comment'>-- > Cooking for hungry people.</span>
<a name="line-24"></a><span class='hs-comment'>-- > Welcome to my cookery recipe program, I sure hope</span>
<a name="line-25"></a><span class='hs-comment'>-- > you enjoy using it!</span>
<a name="line-26"></a><span class='hs-comment'>-- ></span>
<a name="line-27"></a><span class='hs-comment'>-- > Omlette A tasty eggy treat.</span>
<a name="line-28"></a><span class='hs-comment'>-- > -m --mushrooms Some mushrooms, or in fact</span>
<a name="line-29"></a><span class='hs-comment'>-- > any other ingredients you have</span>
<a name="line-30"></a><span class='hs-comment'>-- > in the cupboards</span>
<a name="line-31"></a><span class='hs-comment'>-- > -e --eggs But always you need eggs</span>
<a name="line-32"></a><span class='hs-comment'>-- ></span>
<a name="line-33"></a><span class='hs-comment'>-- > Spagetti Bolognaise An Italian delight.</span>
<a name="line-34"></a><span class='hs-comment'>-- > -s --spagetti The first word in the name</span>
<a name="line-35"></a><span class='hs-comment'>-- > -b --bolognaise The second word in the name</span>
<a name="line-36"></a><span class='hs-comment'>-- > -d --dolmio The magic ingredient!</span>
<a name="line-37"></a><span class='hs-comment'>-- ></span>
<a name="line-38"></a><span class='hs-comment'>-- > The author of this program explicitly</span>
<a name="line-39"></a><span class='hs-comment'>-- > disclaims any liability for poisoning people</span>
<a name="line-40"></a><span class='hs-comment'>-- > who get their recipes off the internet.</span>
<a name="line-41"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>CmdArgs</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-layout'>(</span><span class='hs-conid'>TextFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>defaultWrap</span><span class='hs-layout'>,</span> <span class='hs-conid'>Text</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>showText</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-42"></a>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Function</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>CmdArgs</span><span class='hs-varop'>.</span><span class='hs-conid'>Default</span>
<a name="line-48"></a>
<a name="line-49"></a>
<a name="line-50"></a><a name="defaultWrap"></a><span class='hs-comment'>-- | Wrap with the default width of 80 characters.</span>
<a name="line-51"></a><span class='hs-definition'>defaultWrap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextFormat</span>
<a name="line-52"></a><span class='hs-definition'>defaultWrap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Wrap</span> <span class='hs-num'>80</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="TextFormat"></a><span class='hs-comment'>-- | How to output the text.</span>
<a name="line-55"></a><a name="TextFormat"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TextFormat</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HTML</span> <span class='hs-comment'>-- ^ Display as HTML.</span>
<a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Wrap</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Display as text wrapped at a certain width (see 'defaultWrap').</span>
<a name="line-57"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Read</span><span class='hs-layout'>,</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span><span class='hs-conid'>Ord</span><span class='hs-layout'>)</span>
<a name="line-58"></a>
<a name="line-59"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Default</span> <span class='hs-conid'>TextFormat</span> <span class='hs-keyword'>where</span> <span class='hs-varid'>def</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultWrap</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="Text"></a><span class='hs-comment'>-- | The data type representing some text, typically used as @[Text]@. The formatting</span>
<a name="line-62"></a><a name="Text"></a><span class='hs-comment'>-- is described by:</span>
<a name="line-63"></a><a name="Text"></a><span class='hs-comment'>--</span>
<a name="line-64"></a><a name="Text"></a><span class='hs-comment'>-- * 'Line' values represent a paragraph of text, and may be wrapped depending on the 'TextFormat'.</span>
<a name="line-65"></a><a name="Text"></a><span class='hs-comment'>-- If a 'Line' value is wrapped then all leading space will be treated as an indent.</span>
<a name="line-66"></a><a name="Text"></a><span class='hs-comment'>--</span>
<a name="line-67"></a><a name="Text"></a><span class='hs-comment'>-- * 'Cols' values represent columns of text. Within any @[Text]@ all columns of the same length</span>
<a name="line-68"></a><a name="Text"></a><span class='hs-comment'>-- are grouped in tabs, with the final column being wrapped if necessary. All columns are placed</span>
<a name="line-69"></a><a name="Text"></a><span class='hs-comment'>-- adjacent with no space between them - for this reason most columns will start with a space.</span>
<a name="line-70"></a><a name="Text"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Text</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Line</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- a single line</span>
<a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Cols</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- a single line with columns (always indented by 2 spaces)</span>
<a name="line-72"></a>
<a name="line-73"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>Text</span> <span class='hs-keyword'>where</span>
<a name="line-74"></a> <span class='hs-varid'>showList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showText</span> <span class='hs-varid'>defaultWrap</span>
<a name="line-75"></a> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showText</span> <span class='hs-varid'>defaultWrap</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-76"></a>
<a name="line-77"></a>
<a name="line-78"></a><a name="showText"></a><span class='hs-comment'>-- | Show some text using the given formatting.</span>
<a name="line-79"></a><span class='hs-definition'>showText</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Text</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-80"></a><span class='hs-definition'>showText</span> <span class='hs-conid'>HTML</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showHTML</span>
<a name="line-81"></a><span class='hs-definition'>showText</span> <span class='hs-layout'>(</span><span class='hs-conid'>Wrap</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showWrap</span> <span class='hs-varid'>x</span>
<a name="line-82"></a>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-comment'>---------------------------------------------------------------------</span>
<a name="line-85"></a><span class='hs-comment'>-- TEXT OUTPUT</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="showWrap"></a><span class='hs-definition'>showWrap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Text</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-88"></a><span class='hs-definition'>showWrap</span> <span class='hs-varid'>width</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span>
<a name="line-89"></a> <span class='hs-keyword'>where</span>
<a name="line-90"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-91"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>fst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>head</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>map</span> <span class='hs-varid'>maximum</span> <span class='hs-varop'>$</span> <span class='hs-varid'>transpose</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-92"></a> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sortBy</span> <span class='hs-layout'>(</span><span class='hs-varid'>compare</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span>
<a name="line-93"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>map</span> <span class='hs-varid'>length</span> <span class='hs-varop'>$</span> <span class='hs-varid'>init</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Cols</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>]</span>
<a name="line-94"></a> <span class='hs-varid'>pad</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-chr'>' '</span>
<a name="line-95"></a>
<a name="line-96"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wrap1</span> <span class='hs-layout'>(</span><span class='hs-varid'>width</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span>
<a name="line-97"></a> <span class='hs-keyword'>where</span> <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'>isSpace</span> <span class='hs-varid'>x</span>
<a name="line-98"></a>
<a name="line-99"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Cols</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith</span> <span class='hs-varid'>pad</span> <span class='hs-varid'>ys</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>z1</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>replicate</span> <span class='hs-varid'>n</span> <span class='hs-chr'>' '</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-varid'>zs</span>
<a name="line-100"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ys</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-101"></a> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sum</span> <span class='hs-varid'>ys</span> <span class='hs-varop'>+</span> <span class='hs-varid'>length</span> <span class='hs-layout'>(</span><span class='hs-varid'>takeWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>last</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-102"></a> <span class='hs-varid'>z1</span><span class='hs-conop'>:</span><span class='hs-varid'>zs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrap1</span> <span class='hs-layout'>(</span><span class='hs-varid'>width</span> <span class='hs-comment'>-</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-103"></a>
<a name="line-104"></a>
<a name="line-105"></a><a name="wrap1"></a><span class='hs-definition'>wrap1</span> <span class='hs-varid'>width</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>""</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>res</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>res</span>
<a name="line-106"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>res</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wrap</span> <span class='hs-varid'>width</span> <span class='hs-varid'>x</span>
<a name="line-107"></a>
<a name="line-108"></a><a name="wrap"></a><span class='hs-comment'>-- | Split the text into strips of no-more than the given width</span>
<a name="line-109"></a><span class='hs-definition'>wrap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-110"></a><span class='hs-definition'>wrap</span> <span class='hs-varid'>width</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>combine</span> <span class='hs-varop'>.</span> <span class='hs-varid'>split</span>
<a name="line-111"></a> <span class='hs-keyword'>where</span>
<a name="line-112"></a> <span class='hs-varid'>split</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- string, amount of space after</span>
<a name="line-113"></a> <span class='hs-varid'>split</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-114"></a> <span class='hs-varid'>split</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>length</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>split</span> <span class='hs-varid'>d</span>
<a name="line-115"></a> <span class='hs-keyword'>where</span> <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'>break</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>x</span>
<a name="line-116"></a> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>span</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>b</span>
<a name="line-117"></a>
<a name="line-118"></a> <span class='hs-comment'>-- combine two adjacent chunks while they are less than width</span>
<a name="line-119"></a> <span class='hs-varid'>combine</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-120"></a> <span class='hs-varid'>combine</span> <span class='hs-layout'>(</span><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-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>length</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>b</span> <span class='hs-varop'>+</span> <span class='hs-varid'>length</span> <span class='hs-varid'>c</span> <span class='hs-varop'><</span> <span class='hs-varid'>width</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>combine</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varop'>++</span> <span class='hs-varid'>replicate</span> <span class='hs-varid'>b</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>++</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span>
<a name="line-121"></a> <span class='hs-varid'>combine</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fst</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>combine</span> <span class='hs-varid'>xs</span>
<a name="line-122"></a> <span class='hs-varid'>combine</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-123"></a>
<a name="line-124"></a>
<a name="line-125"></a><span class='hs-comment'>---------------------------------------------------------------------</span>
<a name="line-126"></a><span class='hs-comment'>-- HTML OUTPUT</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="showHTML"></a><span class='hs-definition'>showHTML</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Text</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-129"></a><span class='hs-definition'>showHTML</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span>
<a name="line-130"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"<table class='cmdargs'>"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-131"></a> <span class='hs-varid'>map</span> <span class='hs-varid'>f</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span>
<a name="line-132"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"</table>"</span><span class='hs-keyglyph'>]</span>
<a name="line-133"></a> <span class='hs-keyword'>where</span>
<a name="line-134"></a> <span class='hs-varid'>cols</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maximum</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>length</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Cols</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>]</span>
<a name="line-135"></a>
<a name="line-136"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>td</span> <span class='hs-varid'>cols</span> <span class='hs-varid'>x</span>
<a name="line-137"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Cols</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>td</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-varid'>td</span> <span class='hs-layout'>(</span><span class='hs-varid'>cols</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-138"></a>
<a name="line-139"></a> <span class='hs-varid'>tr</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<tr>"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-str'>"</tr>"</span>
<a name="line-140"></a> <span class='hs-varid'>td</span> <span class='hs-varid'>cols</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"<td"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>cols</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</span> <span class='hs-str'>" colspan='"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>cols</span> <span class='hs-varop'>++</span> <span class='hs-str'>"'"</span><span class='hs-layout'>)</span>
<a name="line-141"></a> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>a</span> <span class='hs-varop'>/=</span> <span class='hs-str'>""</span> <span class='hs-keyword'>then</span> <span class='hs-str'>" style='padding-left:"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"ex;'"</span> <span class='hs-keyword'>else</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-142"></a> <span class='hs-str'>">"</span> <span class='hs-varop'>++</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>then</span> <span class='hs-str'>"&nbsp;"</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>esc</span> <span class='hs-varid'>b</span> <span class='hs-varop'>++</span> <span class='hs-str'>"</td>"</span>
<a name="line-143"></a> <span class='hs-keyword'>where</span> <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'>isSpace</span> <span class='hs-varid'>x</span>
<a name="line-144"></a>
<a name="line-145"></a> <span class='hs-varid'>esc</span> <span class='hs-chr'>'&'</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&amp;"</span>
<a name="line-146"></a> <span class='hs-varid'>esc</span> <span class='hs-chr'>'>'</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&gt;"</span>
<a name="line-147"></a> <span class='hs-varid'>esc</span> <span class='hs-chr'>'<'</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"&lt;"</span>
<a name="line-148"></a> <span class='hs-varid'>esc</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
</pre></body>
</html>
distrib
>
Fedora
>
17
>
i386
>
media
>
updates
>
by-pkgid
>
a754cb499dfee5e1f453d3b6cc13d4c8
>
files
>
162
