/usr/share/perl5/PPIx/Regexp/Structure/Modifier.pm is in libppix-regexp-perl 0.036-1.
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 | =head1 NAME
PPIx::Regexp::Structure::Modifier - Represent modifying parentheses
=head1 SYNOPSIS
use PPIx::Regexp::Dumper;
PPIx::Regexp::Dumper->new( 'qr{(?i:foo)}smx' )
->print();
=head1 INHERITANCE
C<PPIx::Regexp::Structure::Modifier> is a
L<PPIx::Regexp::Structure|PPIx::Regexp::Structure>.
C<PPIx::Regexp::Structure::Modifier> has no descendants.
=head1 DESCRIPTION
This class represents parentheses that apply modifiers to their contents
-- even if there are no modifiers. The latter is to say that C<(?:foo)>
also ends up as this class.
=head1 METHODS
This class provides no public methods beyond those provided by its
superclass.
=cut
package PPIx::Regexp::Structure::Modifier;
use strict;
use warnings;
use base qw{ PPIx::Regexp::Structure };
our $VERSION = '0.036';
# This is a kluge for both determining whether the object asserts
# modifiers (hence the 'ductype') and determining whether the given
# modifier is actually asserted. The signature is the invocant and the
# modifier name, which must not be undef. The return is a boolean.
sub __ducktype_modifier_asserted {
my ( $self, $modifier ) = @_;
foreach my $type ( reverse $self->type() ) {
$type->can( '__ducktype_modifier_asserted' )
or next;
defined( my $val = $type->__ducktype_modifier_asserted( $modifier ) )
or next;
return $val;
}
return;
}
1;
__END__
=head1 SUPPORT
Support is by the author. Please file bug reports at
L<http://rt.cpan.org>, or in electronic mail to the author.
=head1 AUTHOR
Thomas R. Wyant, III F<wyant at cpan dot org>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009-2014 by Thomas R. Wyant, III
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl 5.10.0. For more details, see the full text
of the licenses in the directory LICENSES.
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
=cut
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