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Re: Microsoft's vision of data and the role of XML in that con

• To: joshuaa@m... (Joshua Allen)
• Subject: Re: Microsoft's vision of data and the role of XML in that context
• From: John Cowan <jcowan@r...>
• Date: Wed, 18 Sep 2002 17:33:27 -0400 (EDT)
• Cc: AndrewWatt2000@a..., xml-dev@l...
• In-reply-to: <4F4182C71C1FDD4BA0937A7EB7B8B4C10662CCD9@r...> from "Joshua Allen" at Sep 18, 2002 02:25:12 PM

Joshua Allen scripsit:

> We made heavy investments in the "pull model" of parsing as an
> alternative to event-based parsing ala SAX.  It is possible to do "pull
> until match" and raise events to get the same effect as SAX, but we felt
> that the pull model was more approachable for the average developer.

I quite agree: it is superior because of its better fit with programmer
insight.  Files, pipes,  database cursors behave in just this way: pull to read,
push to write.

> Normally a navigator implies buffering, while the forward-only cursor
> implies no buffering, but this really depends on implementation of a
> particular XML store.

Excellent.

-- 
John Cowan  jcowan@r...  www.ccil.org/~cowan  www.reutershealth.com
"In the sciences, we are now uniquely privileged to sit side by side
with the giants on whose shoulders we stand."
        --Gerald Holton

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