File Coverage

blib/lib/Tree/XPathEngine/Root.pm

Criterion	Covered	Total	%
statement	15	17	88.2
branch	1	2	50.0
condition			n/a
subroutine	4	6	66.6
pod	4	4	100.0
total	24	29	82.7

# $Id: /tree-xpathengine/trunk/lib/Tree/XPathEngine/Root.pm 17 2006-02-12T08:00:01.814064Z mrodrigu  $

package Tree::XPathEngine::Root;
use strict;
use Tree::XPathEngine::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 "\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 = Tree::XPathEngine::NodeSet->new();
	$newset->push($nodeset->get_node(1)->xpath_get_root_node());
	return $newset;
}

1;
__END__