ModSAX: Proposed Core Features

James Clark jjc at
Sat Mar 20 15:29:29 GMT 1999

"Duffy, Bruce" wrote:
> Hi folks,
> One feature I'd really like to see is a Locator.getByteOffset()
> method.  Obviously this feature would have to be optional, since not
> all XML inputs are indexable files.
> James Clark's non-SAX API for XP implements this method for startElement(),
> but not for the characters() callback, which unfortunately is exactly what
> I need it for.  I could hack XP or another parser, but I'd much rather work
> within the context of SAX.

XP makes this available via SAX by subclassing the SAX Locator cX-Mozilla-Status: 0009Locator to object to com.jclark.xml.sax.Locator.  If you
want to standardize this in SAX, I would suggest adding a Locator2 with
additional methods.


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