Subject: Re: [xsl] Passing sort criteria as a paramter From: "Gene LaCava" <e.f.lacava@xxxxxxxxxxx> Date: Thu, 24 Jan 2002 19:25:44 -0500 |
Wendell: Can you tell me how to post a question to this list server ? I have tried 3 times already with no luck... Thank Yoou ----- Original Message ----- From: "Wendell Piez" <wapiez@xxxxxxxxxxxxxxxx> To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Sent: Thursday, January 24, 2002 4:56 PM Subject: Re: [xsl] Passing sort criteria as a paramter > David, > > I can't claim to be Jeni (well I could but no one would be fooled), but > > At 04:33 PM 1/24/02, you wrote: > >I have been passing the sort element name into my xsl by way of a > >parameter. I then do this: > > > ><xsl:sort select="*[local-name() = $sortby"]"> > > > >and this works great. Now, I want to qualify the element name, such > >that the select attribute would read > > > >select="Amount[../IsCredit=1]" > > > >if I wanted to just park the select attribute at one element. > > > >Now, how can I pass the above predicated element name into the > >stylesheet? > > If you just mean to apply the predicate to a dynamic element name, you > would use the same idiom: > > select="*[local-name()=$sortby][../IsCredit=1]" > > This translates into English as > > "sort by the values of the element children whose name equals $sortby and > whose parents have a child 'IsCredit' element whose value equals 1" > > But if you need to pass the whole thing in, as in passing in the string > "Amount[../IsCredit=1]", you're stuck, unless the pattern is regular enough > to break it down into pieces and use the same value-testing trick > (sometimes testing the value of the name) on each piece separately. But > your example leads me to think that's unlikely to cover your case. > > Unfortunately you can't pass an XPath expression in as a parameter and > expect it to be evaluated: if it's a string, it's a string, not an XPath > expression. If the name testing workaround isn't enough, some processors > have extension functions for this; or if you're really stuck an expression > can be parameterized by having a stylesheet generate your stylesheet. > > Enjoy, > 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 > ====================================================================== > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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