/usr/share/perl5/Text/PDF/Null.pm is in libtext-pdf-perl 0.29a-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | package Text::PDF::Null;
=head1 NAME
Text::PDF::Null - PDF Null type object. This is a subclass of
Text::PDF::Objind and cannot be subclassed.
=head1 METHODS
=cut
use strict;
use vars qw(@ISA);
@ISA = qw(Text::PDF::Objind);
# There is only one null object (section 3.2.8).
my ($null_obj) = {};
bless $null_obj, "Text::PDF::Null";
=head2 Text::PDF::Null->new
Returns the null object. There is only one null object.
=cut
sub new {
return $null_obj;
}
=head2 $s->realise
Pretends to finish reading the object.
=cut
sub realise {
return $null_obj;
}
=head2 $s->outobjdeep
Output the object in PDF format.
=cut
sub outobjdeep
{
my ($self, $fh, $pdf) = @_;
$fh->print ("null");
}
=head2 $s->is_obj
Returns false because null is not a full object.
=cut
sub is_obj {
return 0;
}
=head2 $s->copy
Another no-op.
=cut
sub copy {
return $null_obj;
}
=head2 $s->val
Return undef.
=cut
sub val
{
return undef;
}
1;
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