I haven't studied your code in detail, but a common pitfall in this area is
the situation where the element hierarchy is A/B/C:
template A does xsl:apply-templates with parameters
there is no template for B, so the built in template gets invoked
the built in template for B invokes the template for C
the template for C sees no parameters
This is because (in XSLT 1.0) built-in templates do not pass their
parameters on.
With multiple documents, this problem often occurs because people do
apply-templates on the root (document) node, but write a template rule to
process the top-level element, so the built-in template for the root node
loses the parameters.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Paula Estrella [mailto:paula_ile2003(_at_)yahoo(_dot_)com(_dot_)ar]
Sent: 30 August 2005 23:41
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] problem passing parameter to apply-templates
Hi all, I'm trying to pass a parameter to a template
by using apply-templates (as showed in the stylesheet
below) but I don't get the value of the parameter when
the template is applied, i.e I should print "blabla"
but instead I get nothing (a null value or empty
string?).
I also read somewhere that this might be a kind of bug
of the xslt processor; I'm using the Cocoon framework,
which uses xalan to process xslt (I guess v. 1.0)
Although I found another (dirty) solution to get what
I want, I'd really like to know what's the error here
so I can learn from my mistakes ...
Thanks in advance,
Paula
<!-- short version of the stylesheets -->
<xsl:template match="page">
<xsl:apply-templates select="title"/><br/>
<xsl:apply-templates
select="document('../xml/clasif2.xml')/clasif2">
<xsl:with-param name="nodes" select="'blabla'"/>
</xsl:apply-templates>
</xsl:template>
<xsl:template match="item">
<xsl:param name="nodes"/>
<xsl:value-of select="$nodes"/>
</xsl:template>
<!-- xml file to which the above stylesheet is applied
-->
<page>
<title>some title</title>
<checked>
<xsp:attribute name="data">
102
</xsp:attribute>
</checked>
</page>
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