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Editing: Root.pm
package XML::XPath::Root; $VERSION = '1.44'; use strict; use warnings; use XML::XPath::XMLParser; use XML::XPath::NodeSet; sub new { my $class = shift; my $self; # actually don't need anything here - just a placeholder bless \$self, $class; } sub as_string { # do nothing } sub as_xml { return "<Root/>\n"; } sub evaluate { my $self = shift; my $nodeset = shift; # warn "Eval ROOT\n"; # must only ever occur on 1 node die "Can't go to root on > 1 node!" unless $nodeset->size == 1; my $newset = XML::XPath::NodeSet->new(); $newset->push($nodeset->get_node(1)->getRootNode()); return $newset; } 1;
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