xml-dev - RE: Querying the DOM using XPath

["Hunter, David" <dhunter@Mobility.com>]

From: Barnowsky, Greg T. [mailto:greg.t.barnowsky@unisys.com]
Sent: Tuesday, January 25, 2000 12:56 PM
> 
> Microsoft has recently announced the support of XPath and 
> XSLT in its XML
> parser.  Can anyone tell me if I am currently searching XML 
> Doc information
> via VB Script
> and what XPath will provide over my current script code?

I'm not sure if I fully understand the question, but here is what the new
XSLT and XPath support mean for MSXML:

Currently, MSXML allows you to transform XML documents into other formats,
using an ancient form of XSL.  It also lets you use a language called XQL to
traverse XML documents.  (XQL was, I believe, an earlier precursor to
XPath.)

With the new version (slated to be released tomorrow in Beta), the
transformation language used will be real XSLT, as specified in the
finalized W3C spec.  Because XSLT uses XPath, Microsoft also had to update
their XPath implementation, so that XSLT would work properly.

MSXML's DOM implementation also uses XQL in some of its methods; for
example, there is a selectNodes() method which takes an XQL expression and
returns a node-set of all nodes matching your XPath expression.  So again,
the outdated XQL syntax currently in use will be replaced with real XPath.

David Hunter
david.hunter@mobileq.com
http://www.MobileQ.com

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