/usr/share/perl5/PPIx/Regexp/Structure/Quantifier.pm is in libppix-regexp-perl 0.055-1.
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 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | =head1 NAME
PPIx::Regexp::Structure::Quantifier - Represent curly bracket quantifiers
=head1 SYNOPSIS
use PPIx::Regexp::Dumper;
PPIx::Regexp::Dumper->new( 'qr{fo{2,}}smx' )
->print();
=head1 INHERITANCE
C<PPIx::Regexp::Structure::Quantifier> is a
L<PPIx::Regexp::Structure|PPIx::Regexp::Structure>.
C<PPIx::Regexp::Structure::Quantifier> has no descendants.
=head1 DESCRIPTION
This class represents curly bracket quantifiers such as C<{3}>, C<{3,}>
and C<{3,5}>. The contents are left as literals or interpolations.
=head1 METHODS
This class provides no public methods beyond those provided by its
superclass.
=cut
package PPIx::Regexp::Structure::Quantifier;
use strict;
use warnings;
use base qw{ PPIx::Regexp::Structure };
use PPIx::Regexp::Constant qw{
LITERAL_LEFT_CURLY_ALLOWED
};
our $VERSION = '0.055';
sub can_be_quantified {
return;
}
sub explain {
my ( $self ) = @_;
my $content = $self->content();
if ( $content =~ m/ \A [{] ( .*? ) [}] \z /smx ) {
my $quant = $1;
my ( $lo, $hi ) = split qr{ , }smx, $quant;
defined $hi
and '' ne $hi
and return "match $lo to $hi times";
$quant =~ m/ , \z /smx
and return "match $lo or more times";
$lo =~ m/ [^0-9] /smx
and return "match $lo times";
return "match exactly $lo times";
}
return $self->SUPER::explain();
}
sub is_quantifier {
return 1;
}
sub __following_literal_left_curly_disallowed_in {
return LITERAL_LEFT_CURLY_ALLOWED;
}
# Called by the lexer to record the capture number.
sub __PPIX_LEXER__record_capture_number {
my ( undef, $number ) = @_; # Invocant unused
return $number;
}
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) 2009-2018 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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