move repository to http://github.com/moose/MooseX-AlwaysCoerce

[gitmo/MooseX-AlwaysCoerce.git] / lib / MooseX / AlwaysCoerce.pm

diff --git a/lib/MooseX/AlwaysCoerce.pm b/lib/MooseX/AlwaysCoerce.pm
index 3fbfd59..5ea5559 100644 (file)
--- a/lib/MooseX/AlwaysCoerce.pm
+++ b/lib/MooseX/AlwaysCoerce.pm
@@ -1,28 +1,21 @@
 package MooseX::AlwaysCoerce;
+# ABSTRACT: Automatically enable coercions for Moose attributes
 
 use strict;
 use warnings;
 
-use namespace::autoclean;
+use namespace::autoclean 0.12;
 use Moose ();
-use MooseX::ClassAttribute ();
+use MooseX::ClassAttribute 0.24 ();
 use Moose::Exporter;
 use Moose::Util::MetaRole;
 use Carp;
 
 Moose::Exporter->setup_import_methods;
 
-=head1 NAME
+=pod
 
-MooseX::AlwaysCoerce - Automatically enable coercions for Moose attributes
-
-=head1 VERSION
-
-Version 0.05
-
-=cut
-
-our $VERSION = '0.05';
+=for stopwords coercions
 
 =head1 SYNOPSIS
 
@@ -39,7 +32,7 @@ our $VERSION = '0.05';
 
 =head1 DESCRIPTION
 
-Have you ever spent an hour or more trying to figure out "WTF, why did my
+Have you ever spent an hour or more trying to figure out "Hey, why did my
 coercion not run?" only to find out that you forgot C<< coerce => 1 >> ?
 
 Just load this module in your L<Moose> class and C<< coerce => 1 >> will be
@@ -54,15 +47,17 @@ Use C<< coerce => 0 >> to disable a coercion explicitly.
     use namespace::autoclean;
     use Moose::Role;
 
-    has coerce => (
-        lazy    => 1,
-        reader  => "should_coerce",
-        default => sub {
-            return 1 if shift->type_constraint->has_coercion;
-            return 0;
-        }
-    );
+    around should_coerce => sub {
+        my $orig = shift;
+        my $self = shift;
+
+        my $current_val = $self->$orig(@_);
+
+        return $current_val if defined $current_val;
 
+        return 1 if $self->type_constraint && $self->type_constraint->has_coercion;
+        return 0;
+    };
 
     package MooseX::AlwaysCoerce::Role::Meta::Class;
     use namespace::autoclean;
@@ -74,38 +69,48 @@ Use C<< coerce => 0 >> to disable a coercion explicitly.
         my $self = shift;
         my ($what, %opts) = @_;
 
-        my $type = Moose::Util::TypeConstraints::find_or_parse_type_constraint($opts{isa});
-        $opts{coerce} = 1 if !exists $opts{coerce} and $type->has_coercion;
+        if (exists $opts{isa}) {
+            my $type = Moose::Util::TypeConstraints::find_or_parse_type_constraint($opts{isa});
+            $opts{coerce} = 1 if not exists $opts{coerce} and $type->has_coercion;
+        }
 
         $self->$next($what, %opts);
     };
 }
 
+my (undef, undef, $init_meta) = Moose::Exporter->build_import_methods(
+
+    install => [ qw(import unimport) ],
+
+    class_metaroles => {
+        attribute   => ['MooseX::AlwaysCoerce::Role::Meta::Attribute'],
+        class       => ['MooseX::AlwaysCoerce::Role::Meta::Class'],
+    },
+
+    role_metaroles => {
+        (Moose->VERSION >= 1.9900
+            ? (applied_attribute => ['MooseX::AlwaysCoerce::Role::Meta::Attribute'])
+            : ()),
+        role                => ['MooseX::AlwaysCoerce::Role::Meta::Class'],
+    }
+);
+
 sub init_meta {
-    shift;
-    my %options = @_;
+    my ($class, %options) = @_;
     my $for_class = $options{for_class};
 
     MooseX::ClassAttribute->import({ into => $for_class });
 
-    Moose::Util::MetaRole::apply_metaclass_roles(
-        for_class => $for_class,
-        attribute_metaclass_roles =>
-            ['MooseX::AlwaysCoerce::Role::Meta::Attribute'],
-        metaclass_roles =>
-            ['MooseX::AlwaysCoerce::Role::Meta::Class'],
-    );
-
-    return $for_class->meta;
+    # call generated method to do the rest of the work.
+    goto $init_meta;
 }
 
-=head1 AUTHOR
-
-Rafael Kitover, C<< <rkitover at cpan.org> >>
-
-=head1 CONTRIBUTORS
+1;
+# vim:et sts=4 sw=4 tw=0:
+__END__
 
-Schwern: Michael G. Schwern <mschwern@cpan.org>
+=for Pod::Coverage
+    init_meta
 
 =head1 BUGS
 
@@ -123,6 +128,8 @@ You can find more information at:
 
 L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=MooseX-AlwaysCoerce>
 
+=for stopwords AnnoCPAN
+
 =item * AnnoCPAN: Annotated CPAN documentation
 
 L<http://annocpan.org/dist/MooseX-AlwaysCoerce>
@@ -141,15 +148,8 @@ L<http://search.cpan.org/dist/MooseX-AlwaysCoerce/>
 
 My own stupidity, for inspiring me to write this module.
 
-Dave Rolsky, for telling me how to do it the L<Moose> way.
-
-=head1 COPYRIGHT & LICENSE
+=for stopwords Rolsky
 
-Copyright (c) 2009 Rafael Kitover
-
-This program is free software; you can redistribute it and/or modify it
-under the same terms as Perl itself.
+Dave Rolsky, for telling me how to do it the L<Moose> way.
 
 =cut
-
-1; # End of MooseX::AlwaysCoerce