[xsl] Re: grouping node-sets in an external document (revised)

[Carl Yu <carl.yu@xxxxxxxxxxxx>]

Oops made a typo, please see the following..

>Date: Fri, 10 Jan 2003 13:57:34 -0800 (PST)
>From: Carl Yu <yuc>
>Subject: grouping node-sets in an external document
>To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx
>Mime-Version: 1.0
>Content-MD5: ZGylNKg54SnZJjY2KRj61Q==
>
>I'm trying to apply the Muenchian grouping method to an external document.  Of 
>course, this doesn't work because the document function doesn't work within 
>match statements.  Am I going around this the wrong way?
>
>newFirstGraders.xml
><class name="101" type="math">
>   <student>Bob</student>
>   <student>Joe</student>
>   <student>Mary</student>
></class>
><class name="201" type="science">
>   <student>Bob</student>
>   <student>Joe</student>
>   <student>Mary</student>
></class>
><class name="301" type="math">
>   <student>John</student>
>   <student>Peter</student>
></class>
>
>firstGraders.xml
><class name="101" type="math">
>   <student>Fred</student>
>   <student>Mark</student>
></class>
><class name="201" type="science">
>   <student>Paul</student>
></class>
><class name="301" type="math">
>   <student>Wendy</student>
></class>
>
>generateSchoolReport.xsl
><?xml version="1.0"?>
><xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0">
><xsl:output method="xml" indent="yes" />
>
><xsl:key name="newstudents" match="document('class101.xml')/class/student" 
>use="../@type" />
><xsl:key name="students" match="/class/student" use="../@type" />
>
><xsl:template match="/class/student">
>   <xsl:apply-templates 
>select="/class/student[generate-id(.)=generate-id(key('students', ../@type))]" 
>/> mode="uniqueType" />
></xsl:template>
>
><xsl:template match="/class/student" mode="uniqueType">
>Number of Math Students: <xsl:value-of select="count(key('students','math')) + 
>count(key('newstudents', ../@type))" /></xsl:attribute>

This should be :

Number of <xsl:value-of select="../@type" /> students: <xsl:value-of 
select="count(key('students', ../@type)) + count(key('newstudents', ../@type))" 
/>

instead.

></xsl:template>
>
></xsl:transform>
>
>Is there a way to do this (while still grouping unique groups across 
documents)? 
> Has this already been covered.  It feels familiar, but I couldn't find a 
>relevant solution through searching.  I know this XSL looks bad -- I'm new... 
>and this XSL was extracted from a far more complex XSL algorithm.  Given this 
>example, I'm sure you can write a better template match that does not require 
>the 'function' call trick of using a mode='uniqueType'.  I'm just too lazy to 
>make a better example, sorry.
>
>Carl

Carl


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