SAX 2.0 extension proposals.

[Miles Sabin]

Toby Speight wrote,
> Miles Sabin wrote,
> > [snip: Custom filter which finds it's own parent]
>
> That assumes you only use filters with particular upstream 
> classes. What if a factory wants to know about filters so 
> that it can build a parser/filter combination with the 
> required features?

If there aren't *any* constraints on what base implementation
a filter might be wrapped around, then it looks like the
set of features a filter+base reader combo supports would
be indeterminate. That being the case it's hard to see how
you could select such a thing on the basis of it's features
That's not to say you can't have such a thing, just that
maybe you shouldn't expect to be able to get one out of a 
general purpose factory.

It'd be helpful if you could give me a concrete example of the
kind of scenario you're talking about ... maybe I'm missing
something.

Cheers,


Miles

-- 
Miles Sabin                       Cromwell Media
Internet Systems Architect        5/6 Glenthorne Mews
+44 (0)20 8817 4030               London, W6 0LJ, England
msabin at cromwellmedia.com          http://www.cromwellmedia.com/


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