Re: Perl XML::Parser failing tests

Hi Jenda,

Jenda Krynicky wrote:
> From: Robin Berjon<[email protected]>
>> On Mar 17, 2010, at 19:59 , Dave Wombat wrote:
>>> Or can I safely ignore the errors, and just force install
>>> XML::Parser?
>>
>> [...] why are you using XML::Parser? As best I know, there isn't
>> much left on CPAN that depends on that, everything's moved on to
>> either using SAX (through other parsers, including ExpatXS) or
>> other processing methods offered by XML::LibXML (or sat on top of
>> it). If you can avoid XML::Parser, do so.
>
> As best I know (I just looked) XML::LibXML::SAX [is not ready] So
> what's actually the golden SAX parser we are supposed to install to
> solve all our problems? I looked into XML::SAX and a few more and did
> not find any pointers to available SAX parser. Though I have to admit
> I did not spend much time looking.

While I don't pretend to know what is golden or what you are supposed to
install, I have found XML::SAX, paired with the XML::SAX::ExpatXS parser
to be a reliable, fast solution that's able to handle arbitrarily huge
xml files efficiently.

> I also know that XML::Twig, which is a fairly popular module is
> still based on XML::Parser, XML::Rules still uses
> XML::Parser::Expat, XML::Simple can use both XML::Parser and some
> SAX2 parser, ...

XML::Twig really is pure *joy* to use.  It does what I want it to, the
way I want it to, and IMO results in the most concise, expressive and
readable code.  I haven't tried it on the aforementioned arbitrarily
huge xml files though, just on some smaller more digestible xml
structures that fit nicely into memory, so I'd suspect (and expect)
that the cost of its elegance may be available RAM.

The official Perl SAX page
http://perl-xml.sourceforge.net/perl-sax/

Perl Parser Performance : XML.com
http://www.xml.com/pub/a/2004/09/15/pl-perf.html
(still relevant, six years later (and counting!)!)

hth,

-dave
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