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>Nicolas LEHUEN wrote:
>
> * I've been quite fascinated by the Apache Jakarta Commons
> Digester [1] approach, which takes rules that can build
> objects, launch methods, etc. I think this kind of
> rule-driven XML data processing is quite interesting to
> investigate. Maybe using rules is a way to handle
> extensibility more easily.
> I totally agree. That's what I meant by "looking for a proper
> design pattern". XML does lack a proper, extensible processing
> model.
Two links, same book. Worth reading.
data directed programming:
<http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-4.html#%_toc_%
_sec_2.4.3>
logic programming:
<http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-29.html#%_sec_
4.4>
> I mean, I can handle schema evolution. There is nothing that
> can't be solved by (re)writing code... But I'd rather write
> some code that would be less expensive to maintain when the
> schema changes, or code that can still operate in a coherent
> way when presented with a document following the new schema.
> Note that rejecting a document for fear that something wrong
> could be performed is coherent, too (think about
> http://www.ge.com/services/nuclear/plantcontrol.wsdl).
Another link. Same book:
metacircular evaluators:
<http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-4.html#%_toc_%
_sec_4.1>
Bill de hÓra
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