Re: [xsl] RE: Designs for XSLT functions

Subject: Re: [xsl] RE: Designs for XSLT functions
From: David.Rosenborg@xxxxxxxxxx
Date: Tue, 20 Feb 2001 09:26:22 +0100
Michael Kay wrote:

> Far too restrictive; it doesn't allow you to do any processing of node-sets
> that can't be done by standard functions, for example it wouldn't allow you
> to implement max() and min().

Hmh, I think you missed my point about having a conditional
construct in XPath.

<xsl:function name="my:max">
  <xsl:param name="nl"/>
  <xsl:variable name="first" select="nl [1]"/>
  <xsl:variable name="max-of-rest"
     select="if (nl [2], my:max (nl [position () > 1]), /..)"/>
  <xsl:result select="if ($max-of-rest,
                          if ($first > $max-of-rest, $first, $max-of-rest),



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