/usr/lib/perl5/Class/MOP/Mixin/HasAttributes.pm is in libmoose-perl 2.0401-1.
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 | package Class::MOP::Mixin::HasAttributes;
BEGIN {
$Class::MOP::Mixin::HasAttributes::AUTHORITY = 'cpan:STEVAN';
}
{
$Class::MOP::Mixin::HasAttributes::VERSION = '2.0401';
}
use strict;
use warnings;
use Carp 'confess';
use Scalar::Util 'blessed';
use base 'Class::MOP::Mixin';
sub add_attribute {
my $self = shift;
my $attribute
= blessed( $_[0] ) ? $_[0] : $self->attribute_metaclass->new(@_);
( $attribute->isa('Class::MOP::Mixin::AttributeCore') )
|| confess
"Your attribute must be an instance of Class::MOP::Mixin::AttributeCore (or a subclass)";
$self->_attach_attribute($attribute);
my $attr_name = $attribute->name;
$self->remove_attribute($attr_name)
if $self->has_attribute($attr_name);
my $order = ( scalar keys %{ $self->_attribute_map } );
$attribute->_set_insertion_order($order);
$self->_attribute_map->{$attr_name} = $attribute;
# This method is called to allow for installing accessors. Ideally, we'd
# use method overriding, but then the subclass would be responsible for
# making the attribute, which would end up with lots of code
# duplication. Even more ideally, we'd use augment/inner, but this is
# Class::MOP!
$self->_post_add_attribute($attribute)
if $self->can('_post_add_attribute');
return $attribute;
}
sub has_attribute {
my ( $self, $attribute_name ) = @_;
( defined $attribute_name )
|| confess "You must define an attribute name";
exists $self->_attribute_map->{$attribute_name};
}
sub get_attribute {
my ( $self, $attribute_name ) = @_;
( defined $attribute_name )
|| confess "You must define an attribute name";
return $self->_attribute_map->{$attribute_name};
}
sub remove_attribute {
my ( $self, $attribute_name ) = @_;
( defined $attribute_name )
|| confess "You must define an attribute name";
my $removed_attribute = $self->_attribute_map->{$attribute_name};
return unless defined $removed_attribute;
delete $self->_attribute_map->{$attribute_name};
return $removed_attribute;
}
sub get_attribute_list {
my $self = shift;
keys %{ $self->_attribute_map };
}
sub _restore_metaattributes_from {
my $self = shift;
my ($old_meta) = @_;
for my $attr (sort { $a->insertion_order <=> $b->insertion_order }
map { $old_meta->get_attribute($_) }
$old_meta->get_attribute_list) {
$attr->_make_compatible_with($self->attribute_metaclass);
$self->add_attribute($attr);
}
}
1;
# ABSTRACT: Methods for metaclasses which have attributes
=pod
=head1 NAME
Class::MOP::Mixin::HasAttributes - Methods for metaclasses which have attributes
=head1 VERSION
version 2.0401
=head1 DESCRIPTION
This class implements methods for metaclasses which have attributes
(L<Class::MOP::Class> and L<Moose::Meta::Role>). See L<Class::MOP::Class> for
API details.
=head1 AUTHOR
Moose is maintained by the Moose Cabal, along with the help of many contributors. See L<Moose/CABAL> and L<Moose/CONTRIBUTORS> for details.
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2011 by Infinity Interactive, Inc..
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__
|