RE: Wish List: Allow <xsl:choose> within <xsl:call-template>

On Thu, 11 Nov 1999, Mike Brown wrote:
> I think I'm starting to see where Clark was going with this. The problem
> here is that now $par_one is a result tree fragment consisting of a text
> node with the string value of $one or $done. Maybe $one or $done was
> actually a boolean or a node-set, for example. The template that $par_one is
> passed to as a parameter is probably expecting a certain data type.

Yes!  More importantly, the template being called (subclassed) 
has 10 parameters... each with intelligent defaults which 
I don't want to duplicate.

Here is the simple case, I'd just like to conditionally
include a parameter when calling a template:

<xsl:template name="derived-function" >
  <xsl:param name="one" />
 
  ... 

  <xsl:call-template name="base-function">
      <xsl:if test="$one" >
          <xsl:with-param name="one" select="$one" />
      </xsl:if
  </xsl:call-template>
 
  ...

</xsl:template>

And once again, its not the single parameter case that it 
important, it is the 10 parameter case, with 10! permutations 
that I'm having problems with.

As a work around, I had to make each "default" parameter
a seperate template for now, and use xt:node-set to convert 
the fragment to a result set... but this is nasty.
 
The above is very cool (and useful) a form which is not 
possible in most procedural languages.

;) Clark
 
 
 
                                       



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