SAX2: DOM support
david at megginson.com
Tue Jan 18 14:27:13 GMT 2000
We've talked in the past about supplying better DOM support in SAX2
through features and properties. There are two options:
Define a read-only 'dom-iterator' feature that tells whether the
current reader is iterating over a DOM tree or not. Define a
read-only 'dom-node' property (valid only during parsing) that
returns the current DOM node.
The DOM iterator could either get the root DOM node through its
constructor (as I imagined), through a magic URI argument to
parse(), or as David B. suggested, by making the 'dom-node'
property writable outside of the parse.
Define the 'dom-iterator' feature, and possibly also a 'dom-node'
property for setting the initial node, but add a 'dom-handler'
property for an extension handler to report the current DOM node:
public interface DOMHandler
startNode (Node node) throws SAXException;
endNode (Node node) throws SAXException;
This saves a lot of unnecessary hashtable lookups.
Which of the two do people prefer?
All the best,
David Megginson david at megginson.com
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