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Re: [xsl] How to return values from sub-template?
Subject: Re: [xsl] How to return values from sub-template? From: "Richard Lewis" <richardlewis@xxxxxxxxxxxxxx> Date: Wed, 01 Dec 2004 10:54:01 +0000 |
On Wed, 01 Dec 2004 11:44:46 +0100, "Matt Adams" <mattad@xxxxxxxxx> said: > Sorry for this newbie question but I didn't found a hint in tutorials on > how to return > back parameter values from sub-templates. Assume the following situation. > I want to pass back the boolean (or other values in other scenarios) > value if the attribute "age" > exists in a node "myelement" with the attribute name="karl". > > Yes, I know, THIS sample could be coded easier within > one template but my sample is only a simplified version for a complex > scenario > where two templates are required. > > Again, how can I access the value of the variable myval from the calling > template? > You can't because its created inside the template "subtemp" and in its context. > Thank you > Matt > > <xsl:template match="/"> > <xsl:call-template name="subtemp"> > <xsl:with-param name="parm" select="//myelement[@name = 'karl']" /> > </xsl:call-template> > Age exists=<xsl:value-of select="$myval" /> <!-- does not work --> > </xsl:template> > > <xsl:template name="subtemp"> > <xsl:param name="parm" /> > Hello > <xsl:variable name="myval" select="exist(@age)" /> > return $myval > </xsl:template> > Just don't use an xsl:variable, return the value directly in the template: <xsl:template name="subtemp"> <xsl:param name="parm" /> Hello <!-- ? --> <xsl:value-of select="exist($parm/@age)" /> </xsl:template> Richard. -- Richard Lewis richardlewis@xxxxxxxxxxxxxx
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