X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FRole.pm;h=057761a638abf076ad307bae3089d7ea1c34d91d;hb=59089ec36675c7df1998945b1446c37794f88306;hp=e53824770527f5cf37d40440f9ac397741d27914;hpb=fc0e0bbda277a99354170a4b8de6eb1275920555;p=gitmo%2FMouse.git diff --git a/lib/Mouse/Role.pm b/lib/Mouse/Role.pm index e538247..057761a 100644 --- a/lib/Mouse/Role.pm +++ b/lib/Mouse/Role.pm @@ -2,105 +2,85 @@ package Mouse::Role; use strict; use warnings; +use base 'Exporter'; -use Sub::Exporter; use Carp 'confess'; -use Scalar::Util; +use Mouse::Util 'blessed'; use Mouse::Meta::Role; -do { - my $CALLER; - - my %exports = ( - meta => sub { - my $meta = Mouse::Meta::Role->initialize($CALLER); - return sub { $meta }; - }, - extends => sub { - return sub { - confess "Role does not currently support 'extends'"; - } - }, - before => sub { - my $caller = $CALLER; - return sub { - my $code = pop; - for (@_) { - $caller->meta->add_before_method_modifier($_ => $code); - } - } - }, - after => sub { - my $caller = $CALLER; - return sub { - my $code = pop; - for (@_) { - $caller->meta->add_before_method_modifier($_ => $code); - } - } - }, - around => sub { - my $caller = $CALLER; - return sub { - my $code = pop; - for (@_) { - $caller->meta->add_before_method_modifier($_ => $code); - } - } - }, - has => sub { - my $caller = $CALLER; - return sub { - my $name = shift; - my %opts = @_; - - $caller->meta->add_attribute($name => \%opts); - } - }, - with => sub { - return sub { - confess "Role does not currently support 'with'"; - } - }, - requires => sub { - return sub { } - }, - excludes => sub { - return sub { } - }, - blessed => sub { - return \&Scalar::Util::blessed; - }, - confess => sub { - return \&Carp::confess; - }, - ); - - my $exporter = Sub::Exporter::build_exporter({ - exports => \%exports, - groups => { default => [':all'] }, - }); - - sub import { - $CALLER = caller; - - strict->import; - warnings->import; - - goto $exporter; +our @EXPORT = qw(before after around has extends with requires excludes confess blessed); + +sub before { + my $meta = Mouse::Meta::Role->initialize(caller); + + my $code = pop; + for (@_) { + $meta->add_before_method_modifier($_ => $code); + } +} + +sub after { + my $meta = Mouse::Meta::Role->initialize(caller); + + my $code = pop; + for (@_) { + $meta->add_after_method_modifier($_ => $code); } +} + +sub around { + my $meta = Mouse::Meta::Role->initialize(caller); + + my $code = pop; + for (@_) { + $meta->add_around_method_modifier($_ => $code); + } +} + +sub has { + my $meta = Mouse::Meta::Role->initialize(caller); + + my $name = shift; + my %opts = @_; + + $meta->add_attribute($name => \%opts); +} + +sub extends { confess "Roles do not support 'extends'" } + +sub with { confess "Mouse::Role does not currently support 'with'" } + +sub requires { + my $meta = Mouse::Meta::Role->initialize(caller); + Carp::croak "Must specify at least one method" unless @_; + $meta->add_required_methods(@_); +} + +sub excludes { confess "Mouse::Role does not currently support 'excludes'" } + +sub import { + strict->import; + warnings->import; + + my $caller = caller; + my $meta = Mouse::Meta::Role->initialize(caller); + + no strict 'refs'; + no warnings 'redefine'; + *{$caller.'::meta'} = sub { $meta }; + + Mouse::Role->export_to_level(1, @_); +} - sub unimport { - my $caller = caller; +sub unimport { + my $caller = caller; - no strict 'refs'; - for my $keyword (keys %exports) { - next if $keyword eq 'meta'; # we don't delete this one - delete ${ $caller . '::' }{$keyword}; - } + no strict 'refs'; + for my $keyword (@EXPORT) { + delete ${ $caller . '::' }{$keyword}; } -}; +} 1;