RE: [xsl] A variable in the test attribute of <xsl:if> ?

["Michael Kay" <mike@xxxxxxxxxxxx>]

As specified in EXSLT, dyn:evaluate() can return a value of any type
(including of course a boolean). But there may be restrictions in the MSXML
implementation, I don't know.

Michael Kay
http://www.saxonica.com/
 

> -----Original Message-----
> From: John Horner [mailto:Horner.John@xxxxxxxxxx] 
> Sent: 25 October 2007 04:27
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [xsl] A variable in the test attribute of <xsl:if> ?
> 
> This may well be impossible, but I was wondering if (using 
> MSXSL) I could somehow use a variable in the test attribute 
> of <xsl:if> ?
> 
> Instead of <xsl:if test="foo = 'bar'">, I would like to have 
> "foo = 'bar'" in a variable and do this:
> 
>     <xsl:if test="$test">
> 
> Every time I search, I find mentions of the jscript dyn:evaluate
> function:
> 
>  function evaluate(context, expression)
>       {
>          return context.nextNode().selectNodes(expression);
>       }
> 
> 
>  but that only seems to work in returning a value -- that is, 
> I can do:
> 
>    <xsl:value-of select="dyn:evaluate(., <SOME EXPRESSION HERE> )"/>
> 
> but I can't do 
> 
>     <xsl:if test="dyn:evaluate(., <SOME EXPRESSION HERE> )">
> 
> to return a boolean for whether the node matches. 
> 
> Is there another function I could use?
> 
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