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Re: Quick Xpath

• To: jgreif@a... (Jeff Greif)
• Subject: Re: Quick Xpath
• From: John Cowan <jcowan@r...>
• Date: Wed, 17 Jul 2002 20:45:39 -0400 (EDT)
• Cc: bob@w... (bob mcwhirter), jeni@j... (Jeni Tennison), xml-dev@l...
• In-reply-to: <00d001c22df2$75b00280$0402a8c0@DBDELL130G> from "Jeff Greif" at Jul 17, 2002 05:31:29 PM

Jeff Greif scripsit:

> If it's your own flavor of DOM to which XPath processing is
> applied, and the DOM can be assumed to be read-only, each node can be
> constructed to carry its index in document order, allowing a trivial sort
> after nodes were found by the Xpath processor, using the DOM implementation
> secret sauce.  You could relax the read-only assumption at the cost of a
> major renumbering each time the DOM was modified.

You can also use the ancient BASIC programmer trick, and leave lots of
gaps between the index numbers, so that you can insert plenty of nodes
before you have to, er, RESEQ.

-- 
John Cowan                              <jcowan@r...>
http://www.ccil.org/~cowan              http://www.reutershealth.com
Unified Gaelic in Cyrillic script!
        http://groups.yahoo.com/group/Celticonlang

• Follow-Ups:
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    • From: Uche Ogbuji <uche.ogbuji@f...>

• References:
  • Re: Quick Xpath
    • From: "Jeff Greif" <jgreif@a...>

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