15 Jul 2009 22:48:09 UTC
- Distribution: XML-Tiny-DOM
- Module version: 1.1
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XML::Tiny::DOM::Element - an object representing an XML element
This represents a single <element /> in an XML document that was parsed using XML::Tiny::DOM.
use XML::Tiny::DOM; my $document = XML::Tiny::DOM->new(...); # $document is now an XML::Tiny::DOM::Element
now, given a document like this:
<rsnapshot> <externalprograms> <rsync binary='/usr/bin/rsync'> <args> <arg>-a</arg> <arg>-q</arg> </args> </rsync> </externalprograms> <intervals> <interval name='alpha' retain='6' /> <interval name='beta' retain='7' /> <interval name='gamma' retain='4' /> <interval name='delta' retain='3' /> </intervals> </rsnapshot>
you can do this:
my $rsync = $document->externalprograms->rsync(); my $rsyncbinary = $rsync->binary(); my $allrsyncargs = [ $rsync->args->arg('*') ]; my $secondarg = $rsync->args->arg(1); my $gamma = $document->intervals->interval('gamma');
Most methods are created using AUTOLOAD. There's also a few utility and private methods whose names start with an underscore. Consequently your documents shouldn't contain any elements or attributes whose names start with an underscore, or that are called DESTROY or AUTOLOAD, because those are special to perl.
When you call the ...->foo() method on an object, it first looks for an XML attribute with that name. If there is one, its value is returned.
If there's no such attribute, then it looks for a child element with that name. If no parameter is given, it returns the first such element. If a numeric parameter is given, it returns the Nth element (counting from 0). If the parameter is '*' then all such elements are returned. Otherwise, child elements of the appropriate type are searched and a list of those whose ...->name() method returns something that matches the parameter is returned.
Returns the parent element of this element. It is an error to call this on the root element.
Return the root element.
I welcome feedback about my code, including constructive criticism. Bug reports should be made using http://rt.cpan.org/ or by email, and should include the smallest possible chunk of code, along with any necessary XML data, which demonstrates the bug. Ideally, this will be in the form of a file which I can drop in to the module's test suite.
David Cantrell <email@example.com>
Copyright 2009 David Cantrell <firstname.lastname@example.org>
This software is free-as-in-speech software, and may be used, distributed, and modified under the terms of either the GNU General Public Licence version 2 or the Artistic Licence. It's up to you which one you use. The full text of the licences can be found in the files GPL2.txt and ARTISTIC.txt, respectively.
This module is also free-as-in-mason software.
Module Install Instructions
To install XML::Tiny::DOM, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install XML::Tiny::DOM
For more information on module installation, please visit the detailed CPAN module installation guide.