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RE: [xsl] Reading value of passed variable
Subject: RE: [xsl] Reading value of passed variable From: Pieter Reint Siegers Kort <pieter.siegers@xxxxxxxxxxx> Date: Thu, 17 Jun 2004 08:08:36 -0500 |
It may be because there's no good FAQ about it? Or could it better be done by Xpointer technology? Extensions are fine and show the goodwill of implementors but they are not portable. <prs/> -----Original Message----- From: Michael Kay [mailto:mhk@xxxxxxxxx] Sent: Thursday, June 17, 2004 1:58 AM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: [xsl] Reading value of passed variable Wow, that's the fourth time this question has been asked in two days. Does no-one lurk before posting questions nowadays? Standard XSLT doesn't allow you to access variables in this way any more than C or Java do. It's not an introspective language. Some products (Saxon, Xalan) have an xx:evaluate extension that lets you do it. However, it's usually the wrong thing to do. If you have three variables a, b and c and you don't know statically which one you want, then you should probably have a single variable X whose value is an XML tree containing a, b, and c as elements. You can then access the elements using standard path expressions - including the dynamic form //*[name()=$var]. Michael Kay > -----Original Message----- > From: Mayo [mailto:mayo@xxxxxxx] > Sent: 16 June 2004 23:32 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Reading value of passed variable > > Hello, > > I'm trying to read value of a variable who's name is passed to the > xslt processor as argument. > > My source file has something like: > <var name="$somevar"/> > > The variable $xsltvar will be defined at the processor's runtime, so > it has some value ("test" just for the sake of example - as if > <xsl:variable name="somevar" select="'test'"/> was used). Now what I'm > trying to do is to have xslt output the value of this variable. > > I've tried using <value-of select=""> with selecting the name > attribute from the var node, but to no avail. > > <xsl:template match="var"> > <xsl:value-of select="@name"/> > </xsl:template> > > This, naturally, prints out the name of the variable ("$somevar"), but > I can't get the actual value of the variable. > > any ideas? > > Thanks, > Mayo > > > --+------------------------------------------------------------------ > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/ > or e-mail: <mailto:xsl-list-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx> > --+-- > > --+------------------------------------------------------------------ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/ or e-mail: <mailto:xsl-list-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx> --+--
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