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<title>src/Text/CSL/Eval/Output.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE PatternGuards #-}</span>
<a name="line-2"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module : Text.CSL.Eval.Output</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Andrea Rossato</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : Andrea Rossato <andrea.rossato@unitn.it></span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- The CSL implementation</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>CSL</span><span class='hs-varop'>.</span><span class='hs-conid'>Eval</span><span class='hs-varop'>.</span><span class='hs-conid'>Output</span> <span class='hs-keyword'>where</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>CSL</span><span class='hs-varop'>.</span><span class='hs-conid'>Style</span>
<a name="line-19"></a>
<a name="line-20"></a><a name="output"></a><span class='hs-definition'>output</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Formatting</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'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-21"></a><span class='hs-definition'>output</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>s</span>
<a name="line-22"></a> <span class='hs-keyglyph'>|</span> <span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OSpace</span> <span class='hs-conop'>:</span> <span class='hs-varid'>output</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>xs</span>
<a name="line-23"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-24"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OStr</span> <span class='hs-varid'>s</span> <span class='hs-varid'>fm</span><span class='hs-keyglyph'>]</span>
<a name="line-25"></a>
<a name="line-26"></a><a name="appendOutput"></a><span class='hs-definition'>appendOutput</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Formatting</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-27"></a><span class='hs-definition'>appendOutput</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>/=</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>fm</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="outputList"></a><span class='hs-definition'>outputList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Formatting</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Delimiter</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-30"></a><span class='hs-definition'>outputList</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>appendOutput</span> <span class='hs-varid'>fm</span> <span class='hs-varop'>.</span> <span class='hs-varid'>addDelim</span> <span class='hs-varid'>d</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="cleanOutput"></a><span class='hs-definition'>cleanOutput</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-33"></a><span class='hs-definition'>cleanOutput</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flatten</span>
<a name="line-34"></a> <span class='hs-keyword'>where</span>
<a name="line-35"></a> <span class='hs-varid'>flatten</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-36"></a> <span class='hs-varid'>flatten</span> <span class='hs-layout'>(</span><span class='hs-varid'>o</span><span class='hs-conop'>:</span><span class='hs-varid'>os</span><span class='hs-layout'>)</span>
<a name="line-37"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ONull</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>os</span>
<a name="line-38"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Output</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>os</span>
<a name="line-39"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OStr</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>os</span>
<a name="line-40"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Output</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span>
<a name="line-41"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>f</span> <span class='hs-varop'>==</span> <span class='hs-varid'>emptyFormatting</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>os</span>
<a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o</span> <span class='hs-conop'>:</span> <span class='hs-varid'>flatten</span> <span class='hs-varid'>os</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="addDelim"></a><span class='hs-definition'>addDelim</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'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-45"></a><span class='hs-definition'>addDelim</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>xs</span> <span class='hs-varop'><</span> <span class='hs-num'>1</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>check</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-46"></a> <span class='hs-keyword'>where</span>
<a name="line-47"></a> <span class='hs-varid'>check</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span>
<a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ONull</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xs</span>
<a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-conid'>ODel</span> <span class='hs-varid'>d</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-50"></a>
<a name="line-51"></a><a name="noOutputError"></a><span class='hs-definition'>noOutputError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Output</span>
<a name="line-52"></a><span class='hs-definition'>noOutputError</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OStr</span> <span class='hs-str'>"[CSL STYLE ERROR: reference with no printed form.]"</span> <span class='hs-varid'>emptyFormatting</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="noBibDataError"></a><span class='hs-definition'>noBibDataError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Output</span>
<a name="line-55"></a><span class='hs-definition'>noBibDataError</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OStr</span> <span class='hs-layout'>(</span><span class='hs-str'>"[CSL BIBLIOGRAPHIC DATA ERROR: reference "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>citeId</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" not found.]"</span><span class='hs-layout'>)</span>
<a name="line-56"></a> <span class='hs-varid'>emptyFormatting</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="<++>"></a><span class='hs-layout'>(</span><span class='hs-varop'><++></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-59"></a><span class='hs-conid'>[]</span> <span class='hs-varop'><++></span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o</span>
<a name="line-60"></a><a name="o"></a><span class='hs-definition'>o</span> <span class='hs-varop'><++></span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o</span>
<a name="line-61"></a><a name="o1"></a><span class='hs-definition'>o1</span> <span class='hs-varop'><++></span> <span class='hs-varid'>o2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o1</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OSpace</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>o2</span>
</pre></body>
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