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Re: sax2, ignorable whitespace

  • From: Dave Pawson <davep@d...>
  • To: David Megginson <david.megginson@g...>
  • Date: Tue, 21 Nov 2006 18:24:17 +0000

Re:  sax2
David Megginson wrote:
> On 20/11/06, Dave Pawson <davep@d...> wrote:
>>    Manos suggested (offlist) dumping input to the characters() callback
>> which is ws only. Nice and simple.
> That will work with some parsers and not others -- it all depends on
> how they chunk their whitespace.  For example, if you have the text
> input "a b\nc d", all of the following sequences of calls to
> characters would be possible (along with a few others):
> "a b\nc d"
> "a b","\n","c d"
> "a"," ","b","\n","c"," ","d"
> "a ","b\n","c ","d"
> (etc.)
> If the parser you're happening to use chunks whitespace so that Mano's
> suggestion works, feel free to use it, but remember that (a) you're
> relying on an undocumented feature that could change with the next
> parser upgrade, and (b) there's a good chance that your app will break
> if you change to a different SAX parser.

I'm using xerces.
I'll try it, but caution duly noted.
Has ws always been so trying :-)

Thanks David.


Dave Pawson

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