Darkwing has asked for the wisdom of the Perl Monks concerning the following question:

Hi,

i support a Perl written tool that (among other tasks) applies xpath expressions to xml input. It uses XML::LibXML and works fine for XPath 1.0 expressions. Now some users require to use XPath 2.0. I allready knew that this is not supported by XML::LibXML so i searched via both, google and CPAN, but found nothing.

Is there really no perl module supporting XPath 2.0?

Of course, i could use an external tool and manage the Perl script to call it, but a Perl module would be more convenient.

  • Comment on Is there really no Perl module supporting XPath 2.0?

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Re: Is there really no Perl module supporting XPath 2.0?
by choroba (Cardinal) on Jan 12, 2021 at 09:35 UTC
    XML::XSH2 implemented lots of things planned for XPath 2.0 via the xsh: namespace. If you love adventure you might try to try something similar :-)

    Unfortunately, libxml2 is broken, anyway.

    map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]
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      Thanks, i'll have a look at it.
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Re: Is there really no Perl module supporting XPath 2.0?
by Corion (Patriarch) on Jan 12, 2021 at 08:28 UTC

    What libraries do support XPath 2?

    If you find such a library, maybe it is already ported. I think that SAXON supports XPath 2, and there are SAXON modules. Maybe Alien::Saxon is enough to get Saxon into Perl?

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Re: Is there really no Perl module supporting XPath 2.0?
by kcott (Archbishop) on Jan 13, 2021 at 00:08 UTC
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Re: Is there really no Perl module supporting XPath 2.0?
by Anonymous Monk on Jan 12, 2021 at 17:14 UTC
    Does LibXML (and the underlying binary library) have plans to add support for 2.0 in the future? I'd expect that they would, but have there been any announcements?
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        Well, that was 2007 ...
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