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   RE: [xml-dev] XML doesn't deserve its "X".

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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:

logic programming:

> 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:

Bill de hÓra

Version: PGP 7.0.4



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