Subject: Re: [xsl] Using saxon:assign and testing content of variable From: David Carlisle <davidc@xxxxxxxxx> Date: Tue, 20 Sep 2005 22:43:35 +0100 |
> First what is the proper way to reset the variable to be empty and > hopefully no nodes in the node-set? Does a simple <saxon:assign > name="pageNumber"/> do it? ther's no "proper" way to reset a variable in a functional language saxon:assign really cuts across the whole declarative language paradigm and really once you use something like that you aren't really using XSLT at all. However I don't understand your comment > What I'm at a loss for is the proper test in the <choice> to see if there > is content in $pageNumber. You don't need to test this you know exactly the content of the variable <fo:leader leader-pattern="dots" leader-length="1in" /> <fo:basic-link internal-destination="{generate-id()}"> <fo:page-number-citation ref-id="{generate-id()}" /> </fo:basic-link> so it is a result tree fragment corresponding to those elements. I can't really tell from the small fragment that you posted but I suspect that you are trying to get XSLT to process page numbers and other values calculated by an FO engine. That never works,the XSLT process does not know _anything_ about XSLFO and XSLFO does not know _anything_ about XSLT. As far as the xslt is concerned there is nothing special about <fo:page-number-citation> it could just as well be <jhgifgi> it's just an element node in a result tree. XSLT has to construct the entire FO document to be processed and teh XSLT transformation finishes before the FO engine starts. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
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