Subject: Re: [xsl] Using variables in xpath attribute matches From: "Andrew Welch" <andrew.j.welch@xxxxxxxxx> Date: Fri, 22 Aug 2008 10:20:55 +0100 |
2008/8/21 Martin Honnen <Martin.Honnen@xxxxxx>: > Matt Lee wrote: > >> <xsl:template name="get_attribute"> >> <xsl:param name="attribute"/> >> <xsl:value-of select="@<<FIXME>>"/> >> </xsl:template> >> >> >> I would like to use the value of the attribute parameter passed into >> this template as the attribute match expression in the inner most >> select. > > All you can do is > <xsl:value-of select="@*[local-name() = $attribute]"/> > But why would you want to? You really don't need to separate out getting an attributes value... Why do: <xsl:call-template name="getAttribute"> <xsl:with-param name="'someAtt'"/> </xsl:call-template> instead of: <xsl:value-of select="@someAtt"/> ? Remember one of the golden rules for people learning XSLT - don't use named templates! One of the worst sins of XSLT is not understanding the recursive descent processing model (apply-templates and template matching) and instead just using named templates passing around the context as param: <xsl:call-template name="handleSomeElem"> <xsl:with-param select="$current/elem"/> ... and <xsl:template name="handleSomeElem"> <xsl:param name="elem"> ... It becomes a maintenance nightmare! -- Andrew Welch http://andrewjwelch.com Kernow: http://kernowforsaxon.sf.net/
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