Subject: Re: [xsl] Keys off of variable xml source From: Karl Stubsjoen <kstubs@xxxxxxxxx> Date: Thu, 31 Mar 2005 16:47:29 -0700 |
Hmmm... thanks Wendell, now just thinking if this approach will work for me. If I'm driving off of the xml source document, and need to perform a lookup of my key which references external xml source, then I guess I'm not in context.... On Thu, 31 Mar 2005 18:27:53 -0500, Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> wrote: > Karl, > > At 06:17 PM 3/31/2005, you wrote: > >Is it legal to create a key off of an xml source stored as a variable? > >So the key decleration might look like: > > > ><xsl:key name="myKey" match="$external_xml_source//data" use="some_element"/> > > This isn't legal, but not for the reason you think. In XSLT 1.0, a match > pattern can't contain a variable reference. > > >If not, is there a workaround? > > None is needed, really. If you declare the key normally > > <xsl:key name="myKey" match="data" use="some_element"/> > > and then be sure that when you call it, the context is inside > $external_xml_source, you'll be fine: > > <xsl:variable name="var" select="[anything you need to capture context]"/> > <xsl:for-each select="$external_xml_source"> > ... inside here the key will retrieve nodes from $external_xml_source, > and $var still refers to whatever you need from outside it ... > </xsl:for-each> > > Your XSLT processor has enough information here to do the right thing -- > and keys are specified to work this way. > > This is a FAQ. > > Cheers, > Wendell > > ====================================================================== > Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx > Mulberry Technologies, Inc. http://www.mulberrytech.com > 17 West Jefferson Street Direct Phone: 301/315-9635 > Suite 207 Phone: 301/315-9631 > Rockville, MD 20850 Fax: 301/315-8285 > ---------------------------------------------------------------------- > Mulberry Technologies: A Consultancy Specializing in SGML and XML > ======================================================================
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
Re: [xsl] Keys off of variable xml , Wendell Piez | Thread | Re: [xsl] Keys off of variable xml , Wendell Piez |
Re: [xsl] Keys off of variable xml , Wendell Piez | Date | Re: [xsl] Scope of xml source, incl, David Carlisle |
Month |