1# $Id: Root.pm,v 1.6 2001/03/16 11:10:08 matt Exp $
2
3package XML::XPath::Root;
4use strict;
5use XML::XPath::XMLParser;
6use XML::XPath::NodeSet;
7
8sub new {
9	my $class = shift;
10	my $self; # actually don't need anything here - just a placeholder
11	bless \$self, $class;
12}
13
14sub as_string {
15	# do nothing
16}
17
18sub as_xml {
19    return "<Root/>\n";
20}
21
22sub evaluate {
23	my $self = shift;
24	my $nodeset = shift;
25
26#	warn "Eval ROOT\n";
27
28	# must only ever occur on 1 node
29	die "Can't go to root on > 1 node!" unless $nodeset->size == 1;
30
31	my $newset = XML::XPath::NodeSet->new();
32	$newset->push($nodeset->get_node(1)->getRootNode());
33	return $newset;
34}
35
361;
37