Subject: Re: [xsl] Parametrized xsl:sort From: Peter Davis <pdavis152@xxxxxxxxx> Date: Thu, 29 Aug 2002 19:57:27 -0700 |
On Thursday 29 August 2002 19:15, Neale Morison wrote: > To be specific, I want the result of: > <xsl:sort select="$sortkey" order="descending"/> Since a normal variable doesn't change, the sort will have no effect (but I'm sure you already figured this out). > with parameter sortkey: > <xsl:with-param name="sortkey" select="@name"/> If you pass select="@name", it will evaluate "@name" in the context of the with-param, not in the sort. So you probably want to change this to: <xsl:with-param name="sortkey" select="'@name'"/> which will pass the string '@name' to be evaluated later. > to be equivalent to: > <xsl:sort select="@name" order="descending"/> To evaluate the string, you need to use some kind of extension function. Look in the documentation of whatever processor you use; it will probably look like: <xsl:sort order="descending" select="xxx:evaluate($sortkey)"/> The 'xxx' will be associated with an extension namespace specific to your processor. The evaluate() function will take the string $sortkey and evaluate it as an XPath expression. -- Peter Davis XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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