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<title>src/Text/CSL/Proc/Collapse.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.Proc.Collapse</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'>-- This module provides functions for processing the evaluated</span>
<a name="line-13"></a><span class='hs-comment'>-- 'Output' for citation collapsing.</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-16"></a>
<a name="line-17"></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'>Proc</span><span class='hs-varop'>.</span><span class='hs-conid'>Collapse</span> <span class='hs-keyword'>where</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>&&&</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>>>></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-20"></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-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>)</span>
<a name="line-22"></a>
<a name="line-23"></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'>Eval</span>
<a name="line-24"></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'>Proc</span><span class='hs-varop'>.</span><span class='hs-conid'>Disamb</span>
<a name="line-25"></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-26"></a>
<a name="line-27"></a><a name="collapseCitGroups"></a><span class='hs-comment'>-- | Collapse citations according to the style options.</span>
<a name="line-28"></a><span class='hs-definition'>collapseCitGroups</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Style</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CitationGroup</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CitationGroup</span><span class='hs-keyglyph'>]</span>
<a name="line-29"></a><span class='hs-definition'>collapseCitGroups</span> <span class='hs-varid'>s</span>
<a name="line-30"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>doCollapse</span>
<a name="line-31"></a> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>doCollapse</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>getCollapseOptions</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-33"></a> <span class='hs-str'>"year"</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>collapseYear</span> <span class='hs-varid'>s</span> <span class='hs-conid'>[]</span>
<a name="line-34"></a> <span class='hs-str'>"year-suffix"</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>collapseYear</span> <span class='hs-varid'>s</span> <span class='hs-str'>"year-suffix"</span>
<a name="line-35"></a> <span class='hs-str'>"year-suffix-ranged"</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>collapseYear</span> <span class='hs-varid'>s</span> <span class='hs-str'>"year-suffix-ranged"</span>
<a name="line-36"></a> <span class='hs-str'>"citation-number"</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>collapseNumber</span>
<a name="line-37"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>id</span>
<a name="line-38"></a>
<a name="line-39"></a><a name="getCollapseOptions"></a><span class='hs-comment'>-- | Get the collapse option set in the 'Style' for citations.</span>
<a name="line-40"></a><span class='hs-definition'>getCollapseOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Style</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-41"></a><span class='hs-definition'>getCollapseOptions</span>
<a name="line-42"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>.</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-str'>"collapse"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citOptions</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citation</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="collapseNumber"></a><span class='hs-definition'>collapseNumber</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CitationGroup</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CitationGroup</span>
<a name="line-45"></a><span class='hs-definition'>collapseNumber</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapCitationGroup</span> <span class='hs-varid'>process</span>
<a name="line-46"></a> <span class='hs-keyword'>where</span>
<a name="line-47"></a> <span class='hs-varid'>citNum</span> <span class='hs-varid'>o</span>
<a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OCitNum</span> <span class='hs-varid'>i</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</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-conid'>[]</span>
<a name="line-50"></a> <span class='hs-varid'>numOf</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-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span><span class='hs-varid'>emptyFormatting</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>query</span> <span class='hs-varid'>citNum</span>
<a name="line-51"></a> <span class='hs-varid'>newNum</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>numOf</span> <span class='hs-varop'>>>></span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>groupConsec</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&&</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>uncurry</span> <span class='hs-varid'>zip</span>
<a name="line-52"></a> <span class='hs-varid'>process</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>newNum</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-53"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>x</span> <span class='hs-varop'>></span> <span class='hs-num'>2</span>
<a name="line-54"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Output</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>OCitNum</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span>
<a name="line-55"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>ODel</span> <span class='hs-str'>"-"</span>
<a name="line-56"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>OCitNum</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>f</span>
<a name="line-57"></a> <span class='hs-keyglyph'>]</span> <span class='hs-varid'>emptyFormatting</span>
<a name="line-58"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-conid'>OCitNum</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="collapseYear"></a><span class='hs-definition'>collapseYear</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Style</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CitationGroup</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CitationGroup</span>
<a name="line-61"></a><span class='hs-definition'>collapseYear</span> <span class='hs-varid'>s</span> <span class='hs-varid'>ranged</span> <span class='hs-layout'>(</span><span class='hs-conid'>CG</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>f</span> <span class='hs-varid'>d</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CG</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>f</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>emptyCite</span><span class='hs-layout'>,</span> <span class='hs-varid'>process</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-62"></a> <span class='hs-keyword'>where</span>
<a name="line-63"></a> <span class='hs-varid'>styleYSD</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getOptionVal</span> <span class='hs-str'>"year-suffix-delimiter"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citOptions</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citation</span> <span class='hs-varop'>$</span> <span class='hs-varid'>s</span>
<a name="line-64"></a> <span class='hs-varid'>yearSufDel</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>styleYSD</span> <span class='hs-varop'>`betterThen`</span> <span class='hs-layout'>(</span><span class='hs-varid'>layDelim</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citLayout</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citation</span> <span class='hs-varop'>$</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-varid'>afterCD</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getOptionVal</span> <span class='hs-str'>"after-collapse-delimiter"</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citOptions</span> <span class='hs-varop'>.</span> <span class='hs-varid'>citation</span> <span class='hs-varop'>$</span> <span class='hs-varid'>s</span>
<a name="line-66"></a> <span class='hs-varid'>afterColDel</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>afterCD</span> <span class='hs-varop'>`betterThen`</span> <span class='hs-varid'>d</span>
<a name="line-67"></a>
<a name="line-68"></a> <span class='hs-varid'>format</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-69"></a> <span class='hs-varid'>format</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'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-varid'>getYearAndSuf</span> <span class='hs-varid'>xs</span>
<a name="line-70"></a> <span class='hs-varid'>getYearAndSuf</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>query</span> <span class='hs-varid'>getOYear</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-71"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>noOutputError</span>
<a name="line-72"></a> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Output</span> <span class='hs-varid'>x'</span> <span class='hs-varid'>emptyFormatting</span>
<a name="line-73"></a> <span class='hs-varid'>getOYear</span> <span class='hs-varid'>o</span>
<a name="line-74"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYear</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-75"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYearSuf</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-76"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OPan</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-78"></a>
<a name="line-79"></a> <span class='hs-varid'>isRanged</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ranged</span> <span class='hs-keyword'>of</span>
<a name="line-80"></a> <span class='hs-str'>"year-suffix-ranged"</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span>
<a name="line-81"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-82"></a> <span class='hs-varid'>collapsYS</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'>2</span> <span class='hs-varop'>||</span> <span class='hs-varid'>null</span> <span class='hs-varid'>ranged</span>
<a name="line-83"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>xs</span>
<a name="line-84"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>collapseYearSuf</span> <span class='hs-varid'>isRanged</span> <span class='hs-varid'>yearSufDel</span> <span class='hs-varid'>xs</span>
<a name="line-85"></a> <span class='hs-varid'>addDelimiter</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-86"></a> <span class='hs-varid'>addDelimiter</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>addDelim</span> <span class='hs-varid'>d</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-87"></a> <span class='hs-varid'>addDelimiter</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-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>x</span> <span class='hs-varop'>></span> <span class='hs-num'>1</span>
<a name="line-88"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>addDelim</span> <span class='hs-varid'>d</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ODel</span> <span class='hs-varid'>afterColDel</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>addDelimiter</span> <span class='hs-varid'>xs</span>
<a name="line-89"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>addDelim</span> <span class='hs-varid'>d</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ODel</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>addDelimiter</span> <span class='hs-varid'>xs</span>
<a name="line-90"></a> <span class='hs-varid'>namesOf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>fst</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getNamesYear</span> <span class='hs-conid'>True</span>
<a name="line-91"></a> <span class='hs-varid'>process</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>Output</span> <span class='hs-varid'>emptyFormatting</span> <span class='hs-varop'>.</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>addDelimiter</span> <span class='hs-varop'>.</span>
<a name="line-92"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>collapsYS</span> <span class='hs-varop'>.</span> <span class='hs-varid'>format</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>namesOf</span> <span class='hs-varid'>a</span> <span class='hs-varop'>==</span> <span class='hs-varid'>namesOf</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="collapseYearSuf"></a><span class='hs-definition'>collapseYearSuf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</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-95"></a><span class='hs-definition'>collapseYearSuf</span> <span class='hs-varid'>ranged</span> <span class='hs-varid'>ysd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>process</span>
<a name="line-96"></a> <span class='hs-keyword'>where</span>
<a name="line-97"></a> <span class='hs-varid'>yearOf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>query</span> <span class='hs-varid'>getYear</span>
<a name="line-98"></a> <span class='hs-varid'>getYear</span> <span class='hs-varid'>o</span>
<a name="line-99"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYear</span> <span class='hs-varid'>y</span> <span class='hs-keyword'>_</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-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span>
<a name="line-100"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-101"></a>
<a name="line-102"></a> <span class='hs-varid'>processYS</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>ranged</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>collapseYearSufRanged</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>id</span>
<a name="line-103"></a> <span class='hs-varid'>process</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-conid'>Output</span> <span class='hs-varid'>emptyFormatting</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getYS</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-104"></a> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>yearOf</span> <span class='hs-varid'>a</span> <span class='hs-varop'>==</span> <span class='hs-varid'>yearOf</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-105"></a>
<a name="line-106"></a> <span class='hs-varid'>getYS</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-107"></a> <span class='hs-varid'>getYS</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-keyword'>if</span> <span class='hs-varid'>ranged</span>
<a name="line-108"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>proc</span> <span class='hs-varid'>rmOYearSuf</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>addDelim</span> <span class='hs-varid'>ysd</span> <span class='hs-layout'>(</span><span class='hs-varid'>processYS</span> <span class='hs-varop'>$</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>query</span> <span class='hs-varid'>rmOYear</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-109"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>addDelim</span> <span class='hs-varid'>ysd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>processYS</span> <span class='hs-varop'>$</span> <span class='hs-varid'>query</span> <span class='hs-varid'>rmOYear</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-110"></a> <span class='hs-varid'>rmOYearSuf</span> <span class='hs-varid'>o</span>
<a name="line-111"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYearSuf</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ONull</span>
<a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>o</span>
<a name="line-113"></a> <span class='hs-varid'>rmOYear</span> <span class='hs-varid'>o</span>
<a name="line-114"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYearSuf</span> <span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-115"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="collapseYearSufRanged"></a><span class='hs-definition'>collapseYearSufRanged</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-118"></a><span class='hs-definition'>collapseYearSufRanged</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>process</span>
<a name="line-119"></a> <span class='hs-keyword'>where</span>
<a name="line-120"></a> <span class='hs-varid'>getOYS</span> <span class='hs-varid'>o</span>
<a name="line-121"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OYearSuf</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>s</span> <span class='hs-varop'>/=</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>ord</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>else</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-122"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-123"></a> <span class='hs-varid'>sufOf</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-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span><span class='hs-varid'>emptyFormatting</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>query</span> <span class='hs-varid'>getOYS</span>
<a name="line-124"></a> <span class='hs-varid'>newSuf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>sufOf</span> <span class='hs-varop'>>>></span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>groupConsec</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&&</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>uncurry</span> <span class='hs-varid'>zip</span>
<a name="line-125"></a> <span class='hs-varid'>process</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>newSuf</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-126"></a> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>x</span> <span class='hs-varop'>></span> <span class='hs-num'>2</span>
<a name="line-127"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Output</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>OStr</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>chr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>head</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>f</span>
<a name="line-128"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>ODel</span> <span class='hs-str'>"-"</span>
<a name="line-129"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>OStr</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>chr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>last</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>f</span>
<a name="line-130"></a> <span class='hs-keyglyph'>]</span> <span class='hs-varid'>emptyFormatting</span>
<a name="line-131"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>y</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>ONull</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>OStr</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>chr</span> <span class='hs-varop'>$</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-132"></a>
<a name="line-133"></a><a name="groupConsec"></a><span class='hs-comment'>-- | Group consecutive integers:</span>
<a name="line-134"></a><span class='hs-comment'>--</span>
<a name="line-135"></a><span class='hs-comment'>-- > groupConsec [1,2,3,5,6,8,9] == [[1,2,3],[5,6],[8,9]]</span>
<a name="line-136"></a><span class='hs-definition'>groupConsec</span> <span class='hs-keyglyph'>::</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-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-137"></a><span class='hs-definition'>groupConsec</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>groupConsec'</span> <span class='hs-conid'>[]</span>
<a name="line-138"></a> <span class='hs-keyword'>where</span>
<a name="line-139"></a> <span class='hs-varid'>groupConsec'</span> <span class='hs-varid'>x</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-140"></a> <span class='hs-varid'>groupConsec'</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>groupConsec'</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ys</span>
<a name="line-141"></a> <span class='hs-varid'>groupConsec'</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>y</span> <span class='hs-comment'>-</span> <span class='hs-varid'>head</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>==</span> <span class='hs-varid'>length</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-142"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>groupConsec'</span> <span class='hs-layout'>(</span><span class='hs-varid'>init</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>last</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span>
<a name="line-143"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>groupConsec'</span> <span class='hs-layout'>(</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span>
</pre></body>
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