RE: XSL and the DOM

[Kay Michael <Michael.Kay@xxxxxxx>]

> Right now all of the XSL processors are taking SAX events and 
> building their own DOM trees with their own APIs.  Could this be split out

> in standard manner if the DOM supported namespaces and XPath?

There were two main reasons I moved away from using DOM as my native tree
format in SAXON: firstly, the lack of extensibility (no standard way of
adding my own data and methods to the nodes), and secondly, performance
concerns. I say concerns because it's not so much that DOM implementations
are slow, rather that they make no performance guarantees, so it's
impossible to know which methods are going to be efficient and which aren't.

Mike Kay


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