1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
package XML::XPath::Root;
$VERSION = '1.48';
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;
|
