Hi drkm,
thank you for your reply! You are right, I chose the wrong attribute.
After restructuring the xsl file I am able to follow the aggregations in the
XMI-file by recursion. If someone is interested, the working file follows.
Any hints on best practices regarding modularity or structure will be
appreciated!
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0" xmlns:UML="org.omg.xmi.namespace.UML"
exclude-result-prefixes="UML">
<xsl:output method="xml" encoding="UTF-8" indent="yes" />
<!-- *** <Keys> ************************************************ -->
<xsl:key name="stereotype_by_name" match="UML:Stereotype" use="@name" />
<xsl:key name="class_by_stereotypeReference" match="UML:Class"
use="UML:ModelElement.stereotype/UML:Stereotype/@xmi.idref" />
<xsl:key name="class_by_id" match="UML:Class" use="@xmi.id" />
<xsl:key name="aggregation_by_classReference" match="UML:Association"
use="UML:Association.connection/UML:AssociationEnd[(_at_)aggregation='none']/UML:AssociationEnd.participant/UML:Class/@xmi.idref"
/>
<!-- *** </Keys> *********************************************** -->
<xsl:template match="/">
<!-- apply templates on all stereotypes "dokument" -->
<xsl:apply-templates select="key('stereotype_by_name', 'dokument')"
mode="compute_fileName" />
</xsl:template>
<!-- expects one and only one node -->
<xsl:template match="UML:Stereotype" mode="compute_fileName">
<!-- apply templates on all classes of this stereotype -->
<xsl:apply-templates select="key('class_by_stereotypeReference',
@xmi.id)" mode="compute_fileName" />
</xsl:template>
<xsl:template match="UML:Class" mode="compute_fileName">
<xsl:for-each select=".">
<xsl:variable name="path">
<xsl:call-template name="compute_path">
<xsl:with-param name="class_id" select="@xmi.id" />
</xsl:call-template>
</xsl:variable>
<xsl:result-document href="{concat($path,'.xml')}">
<!-- create the document´s content, located in another stylesheet
-->
<xsl:call-template name="create_document">
<xsl:with-param name="class_id" select="@xmi.id"/>
</xsl:call-template>
</xsl:result-document>
</xsl:for-each>
</xsl:template>
<!-- recursion to build a path from a leaf to the tree´s root (in the UML
model, by following the aggregations) -->
<xsl:template name="compute_path">
<xsl:param name="class_id" />
<xsl:variable name="temp"
select="key('aggregation_by_classReference',$class_id)" />
<xsl:choose>
<!-- inverse Termination Condition -->
<!-- if the root is not reached, e.g. an aggregation leads to another
class -->
<xsl:when
test="$temp/UML:Association.connection/UML:AssociationEnd[(_at_)aggregation='aggregate']/UML:AssociationEnd.participant/UML:Class">
<!-- Recursive Descent -->
<!-- then call the recursion again with the connected class_id -->
<xsl:variable name="recursive_result">
<xsl:call-template name="compute_path">
<xsl:with-param name="class_id"
select="$temp/UML:Association.connection/UML:AssociationEnd[(_at_)aggregation='aggregate']/UML:AssociationEnd.participant/UML:Class/@xmi.idref"
/>
</xsl:call-template>
</xsl:variable>
<!-- Recursive Ascent -->
<xsl:value-of
select="concat($recursive_result,'/',key('class_by_id',$class_id)/@name)" />
</xsl:when>
<!-- Termination Condition -->
<xsl:otherwise>
<!-- root class is reached, so terminate the descent -->
<xsl:value-of select="key('class_by_id',$class_id)/@name" />
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
----- Original Message -----
From: darkman_spam(_at_)yahoo(_dot_)fr <Florent Georges>
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
The 'Association.connection' doesn't have a @xmi.id. Maybe you want
its ../@xmi.id. If I use this (see the "../"):
<xsl:value-of
select="key('aggregation_by_classReference',./@xmi.id)
/ ../@xmi.id"/>
Saxon output (with the text output method):
Aggregation_id_1
Is it the expected behaviour?
--drkm
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