Storing SAX Locator information in DOM tree

[Mike Williams]

I'm pre-parsing some XML-based web-page templates, and building them into
DOM Documents.  My template-processor takes Document+data as input, and
generates SAX events.

My problem is this: if I detect an error while processing the template
(expected tags are missing, etc.), I have no way of relating this to a
position in the original template-file.  This would obviously be useful for 
my template-authors, so they don't have to re-check entire templates.

I'd really like to store information against each node in the Document,
recording what file it was built from, and where (line/column) the node
started; the SAX Locator information, basically.  Reasonable?  

Is there any way to implement this?

-- 
Mike Williams

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