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- To: xml-dev@lists.xml.org
- Subject: Re: [xml-dev] SAX and parallel processing
- From: Uche Ogbuji <Uche.Ogbuji@fourthought.com>
- Date: Sat, 01 Jan 2005 13:29:18 -0700
- In-reply-to: <20041231234449.GA21911@maribor.izzy.net>
- Organization: Fourthought, Inc.
- References: <830178CE7378FC40BC6F1DDADCFDD1D10276723C@RED-MSG-31.redmond.corp.microsoft.com> <200412302356.29709.miles@milessabin.com> <1104455192.3038.5.camel@borgia> <200412310131.52268.miles@milessabin.com> <1104460276.3038.23.camel@borgia> <41D4CC8C.1080200@objfac.com> <1104465543.3038.28.camel@borgia> <20041231165744.GA20756@maribor.izzy.net> <75cb920c04123110151af471f9@mail.gmail.com> <41D5DAD0.7000909@objfac.com> <20041231234449.GA21911@maribor.izzy.net>
I'm done with the can there be an arbitrary-execution-order-SAX aspect
of this thread, but as usual Megginson does stir up some off-shoot
thoughts of interest...
On Fri, 2004-12-31 at 18:44 -0500, Alan Gutierrez wrote:
> The characters event is interesting, becuase it is an index into
> the parse buffer (in theory, and on Xerces indeed), but a
> characters evet is only ever at the top of the stack. I only
> ever need one.
Interestingly enough, this is precisely one of the aspects of Python/SAX
that is incompatible to Java (as I intimated earlier). in Python/SAX,
we decided to go with the (in our opinions) much less tangled approach
of making the parameter from characters events an actual text object,
rather than a set of offsets.
I know the original SAX idea was optimization, but I do think this is
exactly one of those areas where perhaps (IMO) premature optimization
ends up limiting design evolution, and I also think that it interferes
with the "Simple" part.
Not a problem in Python/SAX.
--
Uche Ogbuji Fourthought, Inc.
http://uche.ogbuji.net http://4Suite.org http://fourthought.com
Use CSS to display XML - http://www.ibm.com/developerworks/edu/x-dw-x-xmlcss-i.html
Full XML Indexes with Gnosis - http://www.xml.com/pub/a/2004/12/08/py-xml.html
Be humble, not imperial (in design) - http://www.adtmag.com/article.asp?id=10286
UBL 1.0 - http://www-106.ibm.com/developerworks/xml/library/x-think28.html
Use Universal Feed Parser to tame RSS - http://www.ibm.com/developerworks/xml/library/x-tipufp.html
Default and error handling in XSLT lookup tables - http://www.ibm.com/developerworks/xml/library/x-tiplook.html
A survey of XML standards - http://www-106.ibm.com/developerworks/xml/library/x-stand4/
The State of Python-XML in 2004 - http://www.xml.com/pub/a/2004/10/13/py-xml.html
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