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Re: RE: Designs for XSLT functions
- TO: xsl-list at lists dot mulberrytech dot com
- Subject: Re: [xsl] RE: Designs for XSLT functions
- From: David dot Rosenborg at pantor dot com
- Date: Tue, 20 Feb 2001 09:26:22 +0100
- CC: mhkay at iclway dot co dot uk
- Reply-To: xsl-list at lists dot mulberrytech dot com
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),
$first)"/>
</xsl:function>
Cheers,
</David>
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