RE: [xsl] how to test for the element type of the current node

["Jim Fuller" <jim.fuller@xxxxxxxxxxxxxxxxxx>]

> -----Original Message-----
> From: Godmar Back [mailto:gback@xxxxxxxxxxxx]
> Sent: 02 July 2003 08:51
> To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] how to test for the element type of the current node
> 
> 
> 
> Hi,
> 
> what expression do I use if I need to test the type of the 
> current node
> in a for-each loop?
> 
> Say I have a DTD that has	
> 
> 	<!ELEMENT A (B|C)*>
> 
> and I want to write
> 
> <xsl:template match="A">
>     <xsl:for-each select="*">
> 	<xsl:choose>
> 	    <xsl:when test="if this node is a B"> <--- this is 
> what I can't figure out
> 		apply-templates for B
> 
> 		...
> 	    <xsl:otherwise>
> 		do something else for C
>     ...
> 
> 
> I tried ".=B" inside the test, which doesn't work, I tried just "B", 
> I tried "boolean(B)", nothing works.
> 

I have rejigged the test a little so we are not talking in terms of yukky dtd's

xslt file
<?xml version="1.0" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
>

<xsl:template match="test">

<xsl:for-each select="node()">

<xsl:choose>
	<xsl:when test="name()='a'">
	I have matched an a element
	</xsl:when>
  
	<xsl:otherwise>
	 must be something else
	</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>


xml file
<?xml version="1.0" ?>
<test>
<a>1</a>
<b>2</b>
<c>3</c>
</test>

basically you are testing on the name of the element, so you must use the name() function...remember that if you are using namespaces ( xmlns ) that u may have to use local-name(). Also this may not be what you want to do, you may want to test the node identity, not the name of the node.

well, gl jim fuller


> Note that I believe that using <xsl:template match="B"> won't 
> solve my problem
> because I need to do something specific that I only need to if the 
> B element is nested inside  the A element.
> 
> This seems such an elementary thing to do (!?), but maybe I 
> still don't
> understand XSL well enough to see an alternative.
> 
> Thanks!
> 
> 	- Godmar
> 
> 
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> 
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