XML parsing memory overhead concerns
ebohlman at netcom.com
Fri Dec 17 06:49:50 GMT 1999
On Thu, 16 Dec 1999, Clark C. Evans wrote:
> On Fri, 17 Dec 1999, James Clark wrote:
> > How so? You can layer a next event style interface on top of expat by
> > maintaining a queue of events. A request for the next event returns the
> > head of the queue; if the queue is empty, it fills the queue by reading
> > another chunk of input and passing it to XML_Parse() with event handlers
> > that append to the queue of events.
> This would require a multi-threaded approach,
> is this correct?
Nope. You just check if there are any events in the queue; if not, you
read in a chunk of input and call XML_Parse on it (setting the "final"
parameter as appropriate) to fill up the queue. XML_Parse doesn't require
the *entire* document as an argument.
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