[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: (more) extensible SAX
Daniel Barclay writes: > I think one of the Apache XML mailing lists is having a discussion about > how to give a SAX event generator information about which events or > elements are of interest, so it can more quickly skip over unneeded > information. Sure, but as it stands now, you can just ignore what you don't need (that's the default if you extend org.xml.sax.helpers.DefaultHandler). The parser has to read the stuff anyway to maintain its state, so the overhead should be close to zero. It's also worth noting that in almost any XML document that's not trivially small, 99.9% of the callbacks will be start/end element, characters, and possibly ignorable whitespace. Processing instructions, notation declarations, etc., are so rare relatively that even if there were some overhead to reporting those events, you wouldn't gain anything from cutting them out. All the best, David -- David Megginson david@m... http://www.megginson.com/
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