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- # $Id: Root.pm,v 1.6 2001/03/16 11:10:08 matt Exp $
-
- package XML::XPath::Root;
- use strict;
- 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;
-