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   Re: [xml-dev] Quick Xpath

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> 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.

Or you can use floats.  This is what 4XPath does.

Uche Ogbuji                                    Fourthought, Inc.
http://uche.ogbuji.net    http://4Suite.org    http://fourthought.com
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