/usr/share/perl5/Graph/Easy/Node/Anon.pm is in libgraph-easy-perl 0.76-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# (c) by Tels 2004. Part of Graph::Easy. An anonymous (invisible) node.
#
#############################################################################
package Graph::Easy::Node::Anon;
use Graph::Easy::Node;
@ISA = qw/Graph::Easy::Node/;
$VERSION = '0.76';
use strict;
use warnings;
sub _init
{
my $self = shift;
$self->SUPER::_init(@_);
$self->{name} = '#' . $self->{id};
$self->{class} = 'node.anon';
$self->{att}->{label} = ' ';
$self;
}
sub _correct_size
{
my $self = shift;
$self->{w} = 3;
$self->{h} = 3;
$self;
}
sub attributes_as_txt
{
my $self = shift;
$self->SUPER::attributes_as_txt( {
node => {
label => undef,
shape => undef,
class => undef,
} } );
}
sub as_pure_txt
{
'[ ]';
}
sub _as_part_txt
{
'[ ]';
}
sub as_txt
{
my $self = shift;
'[ ]' . $self->attributes_as_txt();
}
sub text_styles_as_css
{
'';
}
sub is_anon
{
# is an anon node
1;
}
1;
__END__
=head1 NAME
Graph::Easy::Node::Anon - An anonymous, invisible node in Graph::Easy
=head1 SYNOPSIS
use Graph::Easy::Node::Anon;
my $anon = Graph::Easy::Node::Anon->new();
=head1 DESCRIPTION
A C<Graph::Easy::Node::Anon> represents an anonymous, invisible node.
These can be used to let edges start and end "nowhere".
The syntax in the Graph::Easy textual description language looks like this:
[ ] -> [ Bonn ] -> [ ]
=head1 EXPORT
None by default.
=head1 SEE ALSO
L<Graph::Easy::Node>.
=head1 AUTHOR
Copyright (C) 2004 - 2006 by Tels L<http://bloodgate.com>.
See the LICENSE file for more details.
=cut
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