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Re: JAXP's ID Transform failing to include namespacedeclaratio

• To: "Simon St.Laurent" <simonstl@s...>,Elliotte Rusty Harold <elharo@m...>
• Subject: Re: JAXP's ID Transform failing to include namespacedeclaration attributes
• From: David Brownell <david-b@p...>
• Date: Tue, 08 Jan 2002 09:36:55 -0800
• Cc: xml-dev@l...
• References: <ZWTPSRNIE946WQA5LJN53WFCGA.3c3a3b3d@MChamp><3C3A4DD2.C78383A4@r...> <p04330102b8601957039b@[192.168.254.4]><1010503530.3054.9.camel@l...>

> > In other words, what should happen is that any code that moves DOM to 
> > some other model such as SAX, XPath, or a text file should insert the 
> > necessary namespace declarations. What actually does happen though, 
> > is that such code often neglects to insert them ...
> 
> The only sane approach I've found is to use a visitor class to traverse
> the document and maintain a list of namespace declarations that have
> been made, so that when a new declaration is needed, it appears.  

Permit me to disagree that's the "only" sane approach.

Counter-example:  SAX pipeline components can monitor namespace
usage and declarations, patching in new prefix declarations as needed.

I happen to prefer that approach; it's generally useful, since DOM isn't
the only framework that's "low fidelity" with respect to such information.
Components like that (not necessarily, or IMO desirably an XMLFilter)
are good to re-use...

- Dave

• Follow-Ups:
  • Re: JAXP's ID Transform failing to include namespacedeclaration attributes
    • From: "Simon St.Laurent" <simonstl@s...>

• References:
  • Re: RE: JAXP's ID Transform failing to include namespace declaration attributes
    • From: Mike Champion <mc@x...>
  • Re: JAXP's ID Transform failing to include namespace declaration attributes
    • From: Ronald Bourret <rpbourret@r...>
  • Re: JAXP's ID Transform failing to include namespace declaration attributes
    • From: Elliotte Rusty Harold <elharo@m...>
  • Re: JAXP's ID Transform failing to include namespace declaration attributes
    • From: "Simon St.Laurent" <simonstl@s...>

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