xml-dev - Re: SAX2: Namespace proposal

[James Clark <jjc@jclark.com>]

Tim Bray wrote:

> >d. There will probably also be a NamespaceHandler to report the scope
> >   of Namespace declarations, but it may be possible to roll that into
> >   LexicalHandler.
> 
> Perhaps.  But why not just have a couple of new methods on the parser:
> 
>  String getURIForPrefix(String prefix)
>  String[] getPrefixesForURI(String uri)
> 
> yeah, you'll have to stash a bit of state, but not very much.
> 
> James, that would give you what you need for XPath and so on, right?

No.  I need to be able to build a tree that includes the all the
namespace scoping information.  Something like:

interface NamespaceDeclHandler {
  void startNamespaceDecl(String prefix, String namespace);
  void endNamespaceDecl();
}

with calls to start/endNamespaceDecl outside the calls to the
corresponding start/endElement would do it.

James



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