Re: [xsl] Can a named template return a node list?

[Dimitre Novatchev <dnovatchev@xxxxxxxxx>]

>   <xsl:variable name="somenode" select="msxsl:node-set( $somedata )" />
>   <xsl:value-of select="$somenode/@attr" />

You are trying to get the value of an attribute of the document node
of a temporary tree.

A document nodes (root nodes in XSLT 1.0 terminology) doesn't have
attributes as it is not an element node.

Probably you meant:

          <xsl:value-of select="$somenode/*/@attr" />


Cheers,
Dimitre Novatchev

On 6/17/05, John <john-xsl-list@xxxxxxxx> wrote:
> Thanks.  I want to use a named template to avoid putting certain XPath
> statements in multiple locations.  Maybe there is a better way.
>
> Since I don't think there is a pure XSL solution I have been trying with
> node-set, but that's not working for me either.  This seems to give no
> output; I am pretty sure the solution is something obvious but I don't
> see it.
>
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <xsl:stylesheet version="1.0"
>   xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
>   xmlns:msxsl="urn:schemas-microsoft-com:xslt">
>
> <xsl:template match="*">
>   <xsl:variable name="somedata">
>     <xsl:call-template name="sometemplate" />
>   </xsl:variable>
>   <xsl:variable name="somenode" select="msxsl:node-set( $somedata )" />
>   <xsl:value-of select="$somenode/@attr" />
> </xsl:template>
>
> <xsl:template name="sometemplate">
>   <xsl:copy-of select="/root/node1" />
> </xsl:template>
>
> </xsl:stylesheet>
>
> And the sample data again:
>
> <root>
>   <node1 attr="node1attrval">
>     <node1a>node1atext</node1a>
>   </node1>
>   <node2 attr="node1attrval">
>     <node2a>node2atext</node2a>
>   </node2>
> </root>
>
> David Carlisle wrote:
> >  <xsl:variable name="somenode">
> >      ....
> >
> > xsl:variable with content and no select attribute always (in xslt1)
> > generates a result tree fragment not a node set. Therefor you can not
> > query into the variable using XPath (or anything else) You can only copy
> > it to the result, using copy-of or use it as a string.
> >
> >
> >
> >>and I am hoping  to stay away from XSL extensions if possible.
> >
> >
> > It's hard to avoid xx:node-set() (which is designed exactly to get round
> > this problem) Most systems have a node-set() extension function (with
> > mozilla's transformiix engine being the main exception)
> >
> > Of course if your templates are not actually creating any new nodes (as
> > in your example) then you have an easy solution: just use xsl:variable
> > with select as in
> >
> > <xsl:template match="*">
> >    <xsl:variable name="somenode"select="/root/node1" />
> >    <xsl:value-of select="$somenode/@attr" />
> > </xsl:template>
> >
> > David