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package MooseX::Attribute::Shorthand;
use strict;
use warnings;
use Scalar::Util qw(reftype);
=head1 NAME
MooseX::Attribute::Shorthand -
=head1 SYNOPSIS
=head1 DESCRIPTION
=cut
sub import {
my $package = shift;
my $caller = caller;
my %custom_options = @_;
my $role = Moose::Meta::Role->create_anon_role(cache => 1);
for my $option (keys %custom_options) {
my $meta_options = delete $custom_options{$option}{'-meta_attr_options'};
$role->add_attribute($option => (
is => 'ro',
isa => 'Bool',
%{ $meta_options || {} },
));
}
$role->add_around_method_modifier(_process_options => sub {
my $orig = shift;
my $class = shift;
my ($name, $options) = @_;
my %new_options;
for my $option (keys %$options) {
if (exists($custom_options{$option})) {
for my $expanded_option (keys %{ $custom_options{$option} }) {
my $expanded_val = $custom_options{$option}->{$expanded_option};
if (reftype($expanded_val)
&& reftype($expanded_val) eq 'CODE') {
$new_options{$expanded_option} = $expanded_val->(
$name, $options->{$option},
);
}
else {
$new_options{$expanded_option} = $expanded_val;
}
}
}
else {
$new_options{$option} = $options->{$option};
}
}
# relies on being modified in-place
%$options = %new_options;
$class->$orig($name, $options);
});
Moose::Util::MetaRole::apply_metaroles(
for => $caller,
class_metaroles => {
attribute => [$role->name],
},
);
}
=head1 BUGS
No known bugs.
Please report any bugs through RT: email
C<bug-moosex-attribute-shorthand at rt.cpan.org>, or browse to
L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=MooseX-Attribute-Shorthand>.
=head1 SEE ALSO
=head1 SUPPORT
You can find this documentation for this module with the perldoc command.
perldoc MooseX::Attribute::Shorthand
You can also look for information at:
=over 4
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/MooseX-Attribute-Shorthand>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/MooseX-Attribute-Shorthand>
=item * RT: CPAN's request tracker
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=MooseX-Attribute-Shorthand>
=item * Search CPAN
L<http://search.cpan.org/dist/MooseX-Attribute-Shorthand>
=back
=head1 AUTHOR
Jesse Luehrs <doy at tozt dot net>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2010 by Jesse Luehrs.
This is free software; you can redistribute it and/or modify it under
the same terms as perl itself.
=cut
1;
|
