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Re: [xsl] Compact XPath syntax


Subject: Re: [xsl] Compact XPath syntax
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 26 Dec 2007 09:32:34 -0500

At 2007-12-26 18:17 +0530, Mukul Gandhi wrote:
Incidentally, for the above example, I would write the expression as:
//c[parent::b]
//c[parent::f]
(in these examples, we filter nodes using a predicate).

Have you considered instead the following equivalent addresses:


  //b/c
  //f/c

or //c (if you want to select all 'c' elements everywhere in the tree).

Remembering, though, in all the above cases that "//" can be an expensive XPath address and should be used sparingly.


I hope this helps.

. . . . . . . . . . . Ken


-- Comprehensive in-depth XSLT2/XSL-FO1.1 classes: Austin TX,Jan-2008 World-wide corporate, govt. & user group XML, XSL and UBL training RSS feeds: publicly-available developer resources and training G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ Box 266, Kars, Ontario CANADA K0A-2E0 +1(613)489-0999 (F:-0995) Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal


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