Subject: Re: [xsl] Can keys go out of scope? From: Peter Davis <pdavis152@xxxxxxxxx> Date: Fri, 1 Mar 2002 12:59:35 -0800 |
If $template is a result-tree-fragment, then yes keys can go out of scope. Essentially, an RTF is a separate document, and each document has its own set of keys (the same applies when you for-each or apply-templates with the document() function). What's happening is that your apply-templates is selecting nodes from another document (the RTF). So in the other template way down the line, the context *document* (similar to the context node) is also the RTF. Since that document has a different set of keys than the original source document, it doesn't work. Sorry, but I don't think there is an easier way to do that, other than, perhaps, switching the context-document back to the original source document: <xsl:for-each select="$current"> <xsl:value-of select="key('scores', @ScoreRef)"/> </xsl:for-each> (I haven't tested that) On Friday 01 March 2002 10:19, TSchutzerWeissmann@xxxxxxxxxxxxxxxx wrote: > I know keys can't go out of scope, I just want to know why I'm having to do > this: > > <xsl:template match="Billcode"> > <xsl:variable name="current" select="."/> > <xsl:apply-templates > select="$template/sc:static/*" mode="static"> > <xsl:with-param name="current" select="$current"/> > <xsl:with-param name="score" select="key('scores',@ScoreRef)"/> #I > shouldn't need to do this > </xsl:apply-templates> > </xsl:template> > > > The key only gets used at the other end of some chained templates, and I > would have hoped to be able to do this: > <xsl:value-of select="key('scores',$current/@ScoreRef)"/>, > > given that I'm passing the Billcode element down the chain in the $current > parameter. I've been through this n times, it even works on a different > stylesheet. I've tested the value of $current/@ScoreRef at every step of > the way, and it's what it was in the first template shown above. Any idea > what's going on (or, (@~!# as Captain Haddock would say)? > > Thanks for your help > Tom > > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list -- Peter Davis And now for something completely different. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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