Subject: RE: [xsl] storing the result of a transformation in a param and evaluating the content From: Jean-François Lavigne <jf_lavigne@xxxxxxxxxxxx> Date: Mon, 22 Nov 2004 22:29:44 -0500 |
String-length only works if $content is a text node, on a result tree fragment, it returns false every time. I need something that evaluates to true when a result tree fragment is present in the variable. I found that I can use an extension function like so: <xsl:param name="nodeSet" select="exsl:node-set($content)"/> <xsl:value-of select="boolean($nodeSet/*)"/> This converts $content to a node set that can be navigated with XPath but it uses an extension. Is there a standard way to do it? I can't find one and I'm running out of manuals... J-F -----Original Message----- From: Tiffany Blake [mailto:Tiffany_Blake@xxxxxxx] Sent: November 22, 2004 10:07 PM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: [xsl] storing the result of a transformation in a param and evaluating the content try <xsl:if test="string-length(content)>0"> best, Tiffany_Blake@xxxxxxx -----Original Message----- From: Jean-Frangois Lavigne [mailto:jf_lavigne@xxxxxxxxxxxx] Sent: Monday, November 22, 2004 6:52 PM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: [xsl] storing the result of a transformation in a param and evaluating the content Hello all, If I store the result of a transformation into a variable, is there a way to check this variable to see if it contains an element or nothing? For example: <xsl:template name="item"> <xsl:param name="content"> <xsl:apply-templates/> </xsl:param> <xsl:copy-of select="$content"/> </xsl:template> The copy-of element returns $content which is: <world>hello</world> What if the apply-templates element returned nothing and $content is empty. Is there a way to check for this situation? Thanks a lot. J-F
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