xml-dev - Re: SAX2: pull interface

[Stefan Haustein <stefan.haustein@trantor.de>]

Miles Sabin wrote:
> Stefan Haustein wrote,
> > Actually, I have already implemented a "Pull Wrapper" on
> > top of SAX.
> <snip/>
> > My wrapper is LGPL-available at http://www.trantor.de/xml
> 
> Hmm ... interesting.
> 
> I guess that you must being running a plain SAX push parser in a
> separate thread, and adding ParseEvents to a queue for
> consumption by the pull client. At least, that's the usual
> way of adapting push to pull.

Yes, that's the way it works.

> I must admit that if I needed a pull parser I'd rather have
> one that could run in a single thread and didn't have the
> queueing overhead. But that means I'd have to have a state-
> machine rather than recursive descent based parser. 

Yes, having a direct pull implementation would be nicer.
However, switching the implementation later shouldn't be 
a problem since the interface would not need to be changed.

Best regards

Stefan

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