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package MooseX::MethodAttributes::Role::Meta::Class;
# ABSTRACT: metaclass role for storing code attributes
our $VERSION = '0.32';
use Moose::Role;
use Moose::Util qw/find_meta does_role/;
use namespace::autoclean;
with qw/
MooseX::MethodAttributes::Role::Meta::Map
/;
#pod =method get_method_with_attributes_list
#pod
#pod Gets the list of meta methods for local methods of this class that have
#pod attributes in the order they have been registered.
#pod
#pod =cut
sub get_method_with_attributes_list {
my ($self) = @_;
my @methods = map { $self->get_method($_) } $self->get_method_list;
my %order;
{
my $i = 0;
$order{$_} = $i++ for @{ $self->_method_attribute_list };
}
return map {
$_->[1]
} sort {
$order{ $a->[0] } <=> $order{ $b->[0] }
} map {
my $addr = 0 + $_->_get_attributed_coderef;
exists $self->_method_attribute_map->{$addr}
? [$addr, $_]
: ()
} grep {
$_->can('_get_attributed_coderef')
} @methods;
}
#pod =method get_all_methods_with_attributes
#pod
#pod Gets the list of meta methods of local and inherited methods of this class,
#pod that have attributes. Base class methods come before subclass methods. Methods
#pod of one class have the order they have been declared in.
#pod
#pod =cut
sub get_all_methods_with_attributes {
my ($self) = @_;
my %seen;
return reverse grep {
!$seen{ $_->name }++
} reverse map {
my $meth;
my $meta = find_meta($_);
($meta && ($meth = $meta->can('get_method_with_attributes_list')))
? $meta->$meth
: ()
} reverse $self->linearized_isa;
}
#pod =method get_nearest_methods_with_attributes
#pod
#pod The same as get_all_methods_with_attributes, except that methods from parent classes
#pod are not included if there is an attribute-less method in a child class.
#pod
#pod For example, given:
#pod
#pod package BaseClass;
#pod
#pod sub foo : Attr {}
#pod
#pod sub bar : Attr {}
#pod
#pod package SubClass;
#pod use base qw/BaseClass/;
#pod
#pod sub foo {}
#pod
#pod after bar => sub {}
#pod
#pod C<< SubClass->meta->get_all_methods_with_attributes >> will return
#pod C<< BaseClass->meta->get_method('foo') >> for the above example, but
#pod this method will not, and will return the wrapped bar method, whereas
#pod C<< get_all_methods_with_attributes >> will return the original method.
#pod
#pod =cut
sub get_nearest_methods_with_attributes {
my ($self) = @_;
my @list = map {
my $m = $self->find_method_by_name($_->name);
my $meth = $m->can('attributes');
my $attrs = $meth ? $m->$meth() : [];
scalar @{ $attrs } ? ( $m ) : ( );
} $self->get_all_methods_with_attributes;
return @list;
}
foreach my $type (qw/after before around/) {
around "add_${type}_method_modifier" => sub {
my $orig = shift;
my $meta = shift;
my ($method_name) = @_;
my $code = $meta->$orig(@_);
my $method = $meta->get_method($method_name);
if (
does_role($method->get_original_method, 'MooseX::MethodAttributes::Role::Meta::Method')
|| does_role($method->get_original_method, 'MooseX::MethodAttributes::Role::Meta::Method::Wrapped')
) {
MooseX::MethodAttributes::Role::Meta::Method::Wrapped->meta->apply($method);
}
return $code;
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
MooseX::MethodAttributes::Role::Meta::Class - metaclass role for storing code attributes
=head1 VERSION
version 0.32
=head1 METHODS
=head2 get_method_with_attributes_list
Gets the list of meta methods for local methods of this class that have
attributes in the order they have been registered.
=head2 get_all_methods_with_attributes
Gets the list of meta methods of local and inherited methods of this class,
that have attributes. Base class methods come before subclass methods. Methods
of one class have the order they have been declared in.
=head2 get_nearest_methods_with_attributes
The same as get_all_methods_with_attributes, except that methods from parent classes
are not included if there is an attribute-less method in a child class.
For example, given:
package BaseClass;
sub foo : Attr {}
sub bar : Attr {}
package SubClass;
use base qw/BaseClass/;
sub foo {}
after bar => sub {}
C<< SubClass->meta->get_all_methods_with_attributes >> will return
C<< BaseClass->meta->get_method('foo') >> for the above example, but
this method will not, and will return the wrapped bar method, whereas
C<< get_all_methods_with_attributes >> will return the original method.
=head1 SUPPORT
Bugs may be submitted through L<the RT bug tracker|https://rt.cpan.org/Public/Dist/Display.html?Name=MooseX-MethodAttributes>
(or L<bug-MooseX-MethodAttributes@rt.cpan.org|mailto:bug-MooseX-MethodAttributes@rt.cpan.org>).
There is also a mailing list available for users of this distribution, at
L<http://lists.perl.org/list/moose.html>.
There is also an irc channel available for users of this distribution, at
L<C<#moose> on C<irc.perl.org>|irc://irc.perl.org/#moose>.
=head1 AUTHORS
=over 4
=item *
Florian Ragwitz <rafl@debian.org>
=item *
Tomas Doran <bobtfish@bobtfish.net>
=back
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2009 by Florian Ragwitz.
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
|
