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   Re: XML Memory Requirements (was Re: Feeling good about SML)

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  • From: David Brownell <david-b@pacbell.net>
  • To: Tim Bray <tbray@textuality.com>
  • Date: Thu, 18 Nov 1999 12:48:28 -0800

Tim Bray wrote:
> At 09:57 AM 11/18/99 -0800, David Brownell wrote:
> >The technique I used in Sun's parser may be good for many folk to steal.
> >It involves using the standard Character.getType() method (which has
> >access to lots of Unicode tables, and in recent JVMs uses native code
> >to quickly access them) and then filtering that output by the rules in
> >the XML spec.
> Fine, but the Lark technique *doesn't* require storing any Unicode
> tables and thus uses an order of magnitude (probably) less memory; or
> am I missing something? -T.

If you're using Java, there's no incremental cost to using the
tables that already exist -- that's already been paid, whether
you use Lark or not.  That "filtering" stuff doesn't take very
much code at all.

- Dave

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