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POMuenchian Grouping - group within a node, not within the entire document
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  1. POMuenchian Grouping - group within a node, not within the entire document
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    copied!<p>I'm trying to use Muenchian grouping in my XSLT to group matching nodes, but I only want to group within a parent node, not across the entire source XML document. </p> <p>Given XSLT and XML as follows (apologies for the length of my sample code): </p> <p><strong>XSLT</strong></p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl"&gt; &lt;xsl:output method="html" indent="yes"/&gt; &lt;xsl:key name="contacts-by-surname" match="contact" use="surname" /&gt; &lt;xsl:template match="records"&gt; &lt;xsl:for-each select="contact[count(. | key('contacts-by-surname', surname)[1]) = 1]"&gt; &lt;xsl:sort select="surname" /&gt; &lt;xsl:value-of select="surname" /&gt;,&lt;br /&gt; &lt;xsl:for-each select="key('contacts-by-surname', surname)"&gt; &lt;xsl:sort select="forename" /&gt; &lt;xsl:value-of select="forename" /&gt; (&lt;xsl:value-of select="title" /&gt;)&lt;br /&gt; &lt;/xsl:for-each&gt; &lt;/xsl:for-each&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p><strong>XML</strong></p> <pre><code>&lt;root&gt; &lt;records&gt; &lt;contact id="0001"&gt; &lt;title&gt;Mr&lt;/title&gt; &lt;forename&gt;John&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0002"&gt; &lt;title&gt;Dr&lt;/title&gt; &lt;forename&gt;Amy&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0003"&gt; &lt;title&gt;Mrs&lt;/title&gt; &lt;forename&gt;Mary&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0004"&gt; &lt;title&gt;Ms&lt;/title&gt; &lt;forename&gt;Anne&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0005"&gt; &lt;title&gt;Mr&lt;/title&gt; &lt;forename&gt;Peter&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0006"&gt; &lt;title&gt;Dr&lt;/title&gt; &lt;forename&gt;Indy&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;/records&gt; &lt;records&gt; &lt;contact id="0001"&gt; &lt;title&gt;Mr&lt;/title&gt; &lt;forename&gt;James&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0002"&gt; &lt;title&gt;Dr&lt;/title&gt; &lt;forename&gt;Mandy&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0003"&gt; &lt;title&gt;Mrs&lt;/title&gt; &lt;forename&gt;Elizabeth&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0004"&gt; &lt;title&gt;Ms&lt;/title&gt; &lt;forename&gt;Sally&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0005"&gt; &lt;title&gt;Mr&lt;/title&gt; &lt;forename&gt;George&lt;/forename&gt; &lt;surname&gt;Smith&lt;/surname&gt; &lt;/contact&gt; &lt;contact id="0006"&gt; &lt;title&gt;Dr&lt;/title&gt; &lt;forename&gt;Harry&lt;/forename&gt; &lt;surname&gt;Jones&lt;/surname&gt; &lt;/contact&gt; &lt;/records&gt; &lt;/root&gt; </code></pre> <p><strong>RESULT</strong></p> <pre><code>Jones, Amy (Dr) Anne (Ms) Harry (Dr) Indy (Dr) Mandy (Dr) Sally (Ms) Smith, Elizabeth (Mrs) George (Mr) James (Mr) John (Mr) Mary (Mrs) Peter (Mr) </code></pre> <p>How do I group within each <code>&lt;records&gt;</code> and achieve this result:</p> <pre><code>Jones, Amy (Dr) Anne (Ms) Indy (Dr) Smith, John (Mr) Mary (Mrs) Peter (Mr) Jones, Harry (Dr) Mandy (Dr) Sally (Ms) Smith, Elizabeth (Mrs) George (Mr) James (Mr) </code></pre>
 

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