I would implement XML::LibXML or a better one, twig or Expat just to see if it is faster and then implement it in a C++ class.
Have you got a sample of using Expat ? or Twig ? Are those lib available in C++ and twig or expat are faster than MSXML or Xerces ? Thanks On 19 juil, 13:15, [EMAIL PROTECTED] (Dermot) wrote: > 2008/7/19 Amit Saxena <[EMAIL PROTECTED]>: > > > > > On Sat, Jul 19, 2008 at 6:44 AM, Rob Dixon <[EMAIL PROTECTED]> wrote: > > >> Epanda wrote: > > >> > Epanda wrote: > > >> >> I would like to know if we can parse XML with regexp faster than with > >> >> an MSXML or Xerces library ? > > >> > I just want to parse an XML and I have seen that the XML!!Parser of > >> > Perl based on Expat is the most faster ofth world, I don't know Twig. > > >> > My XML is classical : > >> > <?xml version='1.0' encoding='ISO-8859-1'?> > >> > <!DOCTYPE CONF_INST SYSTEM "dtd_conf_inst.dtd"> > > >> > <ROOT_NODE VERS="1.0"> > >> > <NODE1 TAG="VD/N1" SERIAL="3HHE"> > >> > <C> > >> > <ID>OM</ID> > >> > <VAL>SAT</VAL> > >> > </C> > >> > <C> > >> > <ID>TPS</ID> > >> > <VAL>3E+01</VAL> > >> > </C> > >> > </NODE1> > >> > </ROOT_NODE> > > >> > but can be very big. > > >> XML::Twig is built on Expat, and is especially good at processing large > >> files > >> one element at a time instead of loading the whole file into memory first. > >> For > >> instance, if your data consists of multiple independent <NODE1> elements > >> XML::Twig can be set up to process them individually and so save memory. > >> Take a > >> look herehttp://www.xmltwig.com/xmltwig/ > > >> But if you are hoping to write something that is faster than MSXML or > >> Xerces you > >> may be unsucessful. Perl also has XML::LibXML and XML::Xerces modules as > >> well if > >> you want to try those. > > >> What do you need to do with the data? It may be possible with regular > >> expressions if the data is consistently formatted. > > >> Rob > >> Hi ! > > > I am using use XML::SAX::ParserFactory . > > > I want to know whether it's a better alternative than suggested so far in > > this thread or not ? > > > If not, please suggest. > > > Regards, > > Amit Saxena > > In many ways it's a preference which parser you use. I would say if > you have a large amount of data in your XML then, XML::LibXML is a the > best option. I haven't seen anything like it for sheer speed. > > Dp. -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
