Subject: RE: [xsl] Default tunnel parameters. From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Tue, 26 Aug 2008 15:54:06 +0100 |
> Can you please estimate the value reported in xsl:message in > a following stylesheet? > Saxon 9.1 reports value 2. > My expectation is 1. > If 2 is correct output then can you please justify it. On the first call of p:test, neither parameter has a value. So $index defaults to 1, and $value defaults to 1. On the second call of p:test, $index has a value (2). No value has been supplied for $value, so it defaults to $index, which is 2. This is the value displayed. Perhaps this is the relevant sentence in the spec (section 10.1.2): <quote> Equally, any default value is local to the template: specifying a default value for a tunnel parameter does not change the set of tunnel parameters that is passed on in further template calls. </quote> Michael Kay http://www.saxonica.com/ > > <xsl:stylesheet version="2.0" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > xmlns:xs="http://www.w3.org/2001/XMLSchema" > xmlns:p="http://www.nesterovsky-bros.com"> > > <xsl:template match="/"> > <xsl:call-template name="p:test"/> > </xsl:template> > > <xsl:template name="p:test"> > <xsl:param name="index" as="xs:integer" select="1"/> > <xsl:param name="value" tunnel="yes" as="xs:integer" > select="$index"/> > > <xsl:choose> > <xsl:when test="$index lt 2"> > <xsl:call-template name="p:test"> > <xsl:with-param name="index" select="$index + 1"/> > </xsl:call-template> > </xsl:when> > <xsl:otherwise> > <xsl:message select="$value"/> > </xsl:otherwise> > </xsl:choose> > </xsl:template> > > </xsl:stylesheet> > > P.S. I'm asking this question here as I have recieved no > answer at http://sourceforge.net/forum/message.php?msg_id=5193309. > > Thanks. > -- > Vladimir Nesterovsky > http://www.nesterovsky-bros.com
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