Re: AW: How to address generic unknown elements !

It helps people understand your problem if you use the right terminoligy

> 1) tag-names for descendants 
Tags don't have names in XSLT/Xpath in fact Tags don't appear at all.
Tags are used when XML is written out in a linear fashion, to  mark
element boundaries.

> 2) the values of all tags that don't have descendants.
Tags never have descendants (in any XML or SGML context)
in
<ABC> <BCD/> </ABC>
there are three tags, the contents of the start
tag ABC is just the element name "ABC", similarly the end tag </ABC>.
So TAGS don't nest (which is why attributes can't have structured values)

elements do however nest, and teh above three tags do denote two
elements, with BCD being inside ABC.

If you only want the second level you don't want to use // which will
search the entire document (you rarely want to use // it is expensive)

<xsl:template match="/">
 <xsl:for-each select="/*/*[not(*)]">	
   <xsl:value-of select="local-name()"/>	
 </xsl:for-each> 
</xsl:template>

to get them just once is a standard grouping problem, see the faq, but
to use a key you's do something like
<xsl:key name="x" match="/*/*[not(*)]" use="local-name()"/>
then change the above to be

<xsl:template match="/">
 <xsl:for-each select="/*/*[not(*)]">
   <xsl:if test="generate-id()=generate-id(key('x',local-name()))">
   <xsl:value-of select="local-name()"/>	
   </xsl:if>
 </xsl:for-each> 
</xsl:template>

See Jeni's site for an explanation of this grouping technique.

David

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