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# $Id: Comment.pm,v 1.5 2000/09/05 13:05:46 matt Exp $
package XML::XPath::Node::Comment;
use strict;
use vars qw/@ISA/;
@ISA = ('XML::XPath::Node');
package XML::XPath::Node::CommentImpl;
use vars qw/@ISA/;
@ISA = ('XML::XPath::NodeImpl', 'XML::XPath::Node::Comment');
use XML::XPath::Node ':node_keys';
sub new {
my $class = shift;
my ($comment) = @_;
my $pos = XML::XPath::Node->nextPos;
my @vals;
@vals[node_global_pos, node_comment] =
($pos, $comment);
my $self = \@vals;
bless $self, $class;
}
sub getNodeType { COMMENT_NODE }
sub isCommentNode { 1; }
sub getNodeValue {
return shift->[node_comment];
}
sub getData {
shift->getNodeValue;
}
sub setNodeValue {
shift->[node_comment] = shift;
}
sub _to_sax {
my $self = shift;
my ($doch, $dtdh, $enth) = @_;
$doch->comment( { Data => $self->getValue } );
}
sub comment_escape {
my $data = shift;
$data =~ s/--/--/g;
return $data;
}
sub string_value {
my $self = shift;
return $self->[node_comment];
}
sub toString {
my $self = shift;
return '<!--' . comment_escape($self->[node_comment]) . '-->';
}
1;
__END__
=head1 NAME
Comment - an XML comment: <!--comment-->
=head1 API
=head2 new ( data )
Create a new comment node.
=head2 getValue / getData
Returns the value in the comment
=head2 toString
Returns the comment with -- encoded as a numeric entity (if it
exists in the comment text).
=cut
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