Re: [xsl] Locating an attribute and its value indirectly

Subject: Re: [xsl] Locating an attribute and its value indirectly
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Mon, 07 Nov 2011 12:57:01 -0500

On 11/7/2011 12:32 PM, Michael Kay wrote:
On 11/4/2011 9:27 PM, G. Ken Holman wrote:
The current() function returns that node that was current at the
beginning of the evaluation of the XPath expression.

I'm sure Ken won't mind if I add a little color commentary. It may help to keep in mind that the "context node" is an XPath concept, while the "current node" is an XSLT concept.

That's the way the 1.0 specifications described it. In 2.0 both specs speak of the context item, and the current() function, rather inelegantly, is defined as returning "the item that was the context item at the point where the [XPath] expression was invoked from the XSLT stylesheet. "

I suppose that's understandable, inasmuch as XSLT 2.0 in general is being pulled in the direction of a generalized data processing language and not just a tree transformation language. (What with xsl:for-each no longer selecting -- or, some day, template rules no longer matching -- only nodes.)

Yet I dare say it may help to keep a rough distinction in mind in any case.

So does this also mean the concepts of "current node list" etc. go by the boards? (Now going to look and see.)


Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
Mulberry Technologies, Inc.      
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