[XML-SIG] Major upcoming DOM changes in CVS

[Mike Olson]

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Lars Marius Garshol wrote:

>
> I think 4DOM has a factory, and if so it would be nice if both DOMs
> used the same interface for this.
>

4DOM does have a Factory setup.  It comes with 2, a local and a orb based
server, but can be replaced with anything that meets the interface and
returns nodes that meet the node interface (or element interface...).  The
interface is very similar to that of the document's factory functions,
except all nodes add an extra parameter, the owner document.  It also adds
methods for creating things that documents cannot, ie Documents,
DOMImplementations, NodeLists and such.

We've even gone one step further in that a document uses one of these
factories to implement its factory functions.  You can then create a
document with a local, orb based factory, or your own so that calls to
document.createElement will create the correct type of node.  The idea is
that you can use the standard DOM interface for creating your elements and
text, then move them around the ORB by changing the factory used in the
document.  Your application should not have to change.

There is an IDL for the Factory in DOM/Ext/Factory/NodeFactory.idl if you
want to see the interface we've used.

Mike

>
> --Lars M.
>
> _______________________________________________
> XML-SIG maillist  -  XML-SIG@python.org
> http://www.python.org/mailman/listinfo/xml-sig

--
Mike Olson
Member Consultant
FourThought LLC
http://www.fourthought.com http://opentechnology.org


---

"No program is interesting in itself to a programmer. It's only
interesting as long
as there are new challenges and new ideas coming up." --- Linus Torvalds


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