xml-dev - Re: RFC: Simple XML Event-Based API for Java

[David Megginson <ak117@freenet.carleton.ca>]

Paul Prescod writes:

 > > The advantage is that the same XmlApplication object can work with
 > > more than one XmlProcessor at the same time (though it is not required
 > > to be able to do so).
 > 
 > If you use the name "Application" then it makes sense to require a
 > single application to support multiple processors. Jade is an example of
 > an application that supports multiple processors. If we use the word
 > ***Consumer, then it makes sense that there should be a single consumer
 > per Producer.

I'm using the XML terminology, where "processor" actually means
"parser" (ick).

 > >  > This could be done by having the app ask the processor for the location
 > >  > of the last event in some non-standardized way, but that's kind of
 > >  > kludgy.  On the other hand, maybe this is just too fancy for a
 > >  > "simple" API.
 > > 
 > > I think that it probably is too fancy.
 > 
 > Maybe, but it also seems very important. A processor that can't tell you
 > where your errors are is very frustrating. Perhaps there should
 > immediately be a "level 2" that supports this.

These are two separate things.  Adding a "col" argument to the error()
callback is not so tricky, but providing the exactly location of every
start and end tag or data chunk is too complicated.


All the best,


David

-- 
David Megginson                 ak117@freenet.carleton.ca
Microstar Software Ltd.         dmeggins@microstar.com
      http://home.sprynet.com/sprynet/dmeggins/

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