Re: [xsl] can't get variable content after call-template

Subject: Re: [xsl] can't get variable content after call-template
From: David Carlisle <davidc@xxxxxxxxx>
Date: Mon, 26 Jun 2006 10:16:08 +0100
<xsl:template name="logfile">
   <xsl:choose>
      <xsl:when test="@pmode='multi'">

This isn't using a variable at all, did you mean $pmode here rather than
@pmode?

Assuming you did mean $pmode then the variable is not in scope at this
poiunt, if a template depends on a variable it must be declared as a
parameter of that template and explictly passed in when the template is
called.

<xsl:template name="logfile">
  <xsl;param name="pmode"/>
...

and

   <xsl:call-template name="logfile">
    <xsl:with-param name="pmode" select="$pmode"/>

Incidentally it's much better to go


   <xsl:variable name="pmode" select="'multi'"/>

which defines $pmode as a string, than to go

   <xsl:variable name="pmode">multi</xsl:variable>

which defines $pmode to be a document node with single child a text node
with string value "multi", as the document node is more expensive to
build and more expensive to coerce back to a string.

> It seems like the variable declaration in the initial template is not
> recognized, 
Variables in XSLT have lexical scope, they are only usable in the
following sibling elements (and their descendants) of the xsl:variable element
on which they are defined.

David


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