/usr/lib/x86_64-linux-gnu/perl5/5.26/MongoDB/BSON/Regexp.pm is in libmongodb-perl 1.8.1-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | use strict;
use warnings;
package MongoDB::BSON::Regexp;
# ABSTRACT: Regular expression type
use version;
our $VERSION = 'v1.8.1';
use Moo;
use MongoDB::Error;
use Types::Standard qw(
Str
);
use namespace::clean -except => 'meta';
#pod =attr pattern
#pod
#pod A string containing a regular expression pattern (without slashes)
#pod
#pod =cut
has pattern => (
is => 'ro',
isa => Str,
required => 1,
);
#pod =attr flags
#pod
#pod A string with regular expression flags
#pod
#pod =cut
has flags => (
is => 'ro',
isa => Str,
required => 0,
predicate => 'has_flags',
writer => '_set_flags',
);
my %ALLOWED_FLAGS = (
i => 1,
m => 1,
x => 1,
l => 1,
s => 1,
u => 1
);
sub BUILD {
my $self = shift;
if ( $self->has_flags ) {
my %seen;
my @flags = grep { !$seen{$_}++ } split '', $self->flags;
foreach my $f( @flags ) {
MongoDB::UsageError->throw("Regexp flag $f is not supported by MongoDB")
if not exists $ALLOWED_FLAGS{$f};
}
$self->_set_flags( join '', sort @flags );
}
}
#pod =method try_compile
#pod
#pod my $qr = $regexp->try_compile;
#pod
#pod Tries to compile the C<pattern> and C<flags> into a reference to a regular
#pod expression. If the pattern or flags can't be compiled, a
#pod C<MongoDB::DecodingError> exception will be thrown.
#pod
#pod B<SECURITY NOTE>: Executing a regular expression can evaluate arbitrary
#pod code. You are strongly advised never to use untrusted input with
#pod C<try_compile>.
#pod
#pod =cut
sub try_compile {
my ($self) = @_;
my ( $p, $f ) = map { $self->$_ } qw/pattern flags/;
my $re = eval { qr/(?$f:$p)/ };
MongoDB::DecodingError->throw("error compiling regex 'qr/$p/$f': $@")
if $@;
return $re;
}
1;
# vim: set ts=4 sts=4 sw=4 et tw=75:
__END__
=pod
=encoding UTF-8
=head1 NAME
MongoDB::BSON::Regexp - Regular expression type
=head1 VERSION
version v1.8.1
=head1 ATTRIBUTES
=head2 pattern
A string containing a regular expression pattern (without slashes)
=head2 flags
A string with regular expression flags
=head1 METHODS
=head2 try_compile
my $qr = $regexp->try_compile;
Tries to compile the C<pattern> and C<flags> into a reference to a regular
expression. If the pattern or flags can't be compiled, a
C<MongoDB::DecodingError> exception will be thrown.
B<SECURITY NOTE>: Executing a regular expression can evaluate arbitrary
code. You are strongly advised never to use untrusted input with
C<try_compile>.
=head1 AUTHORS
=over 4
=item *
David Golden <david@mongodb.com>
=item *
Rassi <rassi@mongodb.com>
=item *
Mike Friedman <friedo@friedo.com>
=item *
Kristina Chodorow <k.chodorow@gmail.com>
=item *
Florian Ragwitz <rafl@debian.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2018 by MongoDB, Inc.
This is free software, licensed under:
The Apache License, Version 2.0, January 2004
=cut
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