use Mouse::Meta::Module;
our @ISA = qw(Mouse::Meta::Module);
-sub method_metaclass(){ 'Mouse::Meta::Role::Method' } # required for get_method()
+sub method_metaclass;
sub _construct_meta {
my $class = shift;
my %args = @_;
- $args{methods} ||= {};
- $args{attributes} ||= {};
- $args{required_methods} ||= [];
- $args{roles} ||= [];
+ $args{methods} = {};
+ $args{attributes} = {};
+ $args{required_methods} = [];
+ $args{roles} = [];
my $self = bless \%args, ref($class) || $class;
if($class ne __PACKAGE__){
return $self->create(undef, @_);
}
-sub is_anon_role{
- return exists $_[0]->{anon_serial_id};
-}
+sub is_anon_role;
+
+sub get_roles;
-sub get_roles { $_[0]->{roles} }
+sub calculate_all_roles {
+ my $self = shift;
+ my %seen;
+ return grep { !$seen{ $_->name }++ }
+ ($self, map { $_->calculate_all_roles } @{ $self->get_roles });
+}
sub get_required_method_list{
return @{ $_[0]->{required_methods} };
my $name = shift;
$self->{attributes}->{$name} = (@_ == 1) ? $_[0] : { @_ };
+ return;
}
sub _check_required_methods{
$applicant->add_required_methods($role->get_required_method_list);
}
else{ # to class or instance
- my $class_name = $applicant->name;
- my $role_name = $role->name;
+ my $applicant_class_name = $applicant->name;
+
my @missing;
foreach my $method_name(@{$role->{required_methods}}){
- if(!($class_name->can($method_name) || exists $args->{to_be_provided}{$method_name})){
- push @missing, $method_name;
- }
+ next if exists $args->{aliased_methods}{$method_name};
+ next if exists $role->{methods}{$method_name};
+ next if $applicant_class_name->can($method_name);
+
+ push @missing, $method_name;
}
if(@missing){
- $role->throw_error("'$role_name' requires the "
- . (@missing == 1 ? 'method' : 'methods')
- . " "
- . english_list(map{ sprintf q{'%s'}, $_ } @missing)
- . " to be implemented by '$class_name'");
+ $role->throw_error(sprintf "'%s' requires the method%s %s to be implemented by '%s'",
+ $role->name,
+ (@missing == 1 ? '' : 's'), # method or methods
+ english_list(map{ sprintf q{'%s'}, $_ } @missing),
+ $applicant_class_name);
}
}
sub _apply_methods{
my($role, $applicant, $args) = @_;
- my $role_name = $role->name;
- my $class_name = $applicant->name;
-
my $alias = $args->{-alias};
my $excludes = $args->{-excludes};
my $code = $role->get_method_body($method_name);
- if($excludes && !exists $excludes->{$method_name}){
+ if(!exists $excludes->{$method_name}){
if(!$applicant->has_method($method_name)){
- # The third argument, $role, is used in Role::Composite
+ # The third argument $role is used in Role::Composite
$applicant->add_method($method_name => $code, $role);
}
}
- if($alias && $alias->{$method_name}){
+ if(exists $alias->{$method_name}){
my $dstname = $alias->{$method_name};
my $dstcode = $applicant->get_method_body($dstname);
sub _apply_modifiers{
my($role, $applicant, $args) = @_;
- for my $modifier_type (qw/override before around after/) {
+ if(my $modifiers = $role->{override_method_modifiers}){
+ foreach my $method_name (keys %{$modifiers}){
+ $applicant->add_override_method_modifier($method_name => $modifiers->{$method_name});
+ }
+ }
+
+ for my $modifier_type (qw/before around after/) {
my $modifiers = $role->{"${modifier_type}_method_modifiers"}
or next;
my $add_modifier = "add_${modifier_type}_method_modifier";
foreach my $method_name (keys %{$modifiers}){
- my $modifier_codes = $modifiers->{$method_name};
- foreach my $code(ref($modifier_codes) eq 'ARRAY' ? @{$modifier_codes} : $modifier_codes){
- next if $applicant->{"_$modifier_type"}{$code}++; # skip applied modifiers
+ foreach my $code(@{ $modifiers->{$method_name} }){
+ next if $applicant->{"_applied_$modifier_type"}{$method_name, $code}++; # skip applied modifiers
$applicant->$add_modifier($method_name => $code);
}
}
my %args = (@_ == 1) ? %{ $_[0] } : @_;
- if($applicant->isa('Mouse::Meta::Class')){ # Application::ToClass
+ my $instance;
+
+ if(Mouse::Util::is_a_metaclass($applicant)){ # Application::ToClass
$args{_to} = 'class';
}
- elsif($applicant->isa('Mouse::Meta::Role')){ # Application::ToRole
+ elsif(Mouse::Util::is_a_metarole($applicant)){ # Application::ToRole
$args{_to} = 'role';
}
else{ # Appplication::ToInstance
$args{_to} = 'instance';
+ $instance = $applicant;
- my $metaclass = $applicant->meta->create_anon_class(
- superclasses => [ref $applicant],
+ $applicant = (Mouse::Util::class_of($instance) || 'Mouse::Meta::Class')->create_anon_class(
+ superclasses => [ref $instance],
cache => 1,
);
- bless $applicant, $metaclass->name; # rebless
-
- $applicant = $metaclass;
}
if($args{alias} && !exists $args{-alias}){
$args{-excludes} = $args{excludes};
}
- # In Moose it is called 'aliased methods'
- $args{to_be_provided} = {};
+ $args{aliased_methods} = {};
if(my $alias = $args{-alias}){
- @{$args{to_be_provided}}{ values %{$alias} } = ();
+ @{$args{aliased_methods}}{ values %{$alias} } = ();
}
- @{ $args{to_be_provided} }{ $self->get_method_list } = ();
if(my $excludes = $args{-excludes}){
$args{-excludes} = {}; # replace with a hash ref
$self->_apply_methods($applicant, \%args);
$self->_apply_modifiers($applicant, \%args);
$self->_append_roles($applicant, \%args);
+
+
+ if(defined $instance){ # Application::ToInstance
+ # rebless instance
+ bless $instance, $applicant->name;
+ $applicant->_initialize_object($instance, $instance);
+ }
+
return;
}
return $composite;
}
-for my $modifier_type (qw/before after around/) {
-
- my $modifier = "${modifier_type}_method_modifiers";
- my $add_method_modifier = sub {
- my ($self, $method_name, $method) = @_;
-
- push @{ $self->{$modifier}->{$method_name} ||= [] }, $method;
- return;
- };
- my $has_method_modifiers = sub{
- my($self, $method_name) = @_;
- my $m = $self->{$modifier}->{$method_name};
- return $m && @{$m} != 0;
- };
- my $get_method_modifiers = sub {
- my ($self, $method_name) = @_;
- return @{ $self->{$modifier}->{$method_name} ||= [] }
- };
-
- no strict 'refs';
- *{ 'add_' . $modifier_type . '_method_modifier' } = $add_method_modifier;
- *{ 'has_' . $modifier_type . '_method_modifiers' } = $has_method_modifiers;
- *{ 'get_' . $modifier_type . '_method_modifiers' } = $get_method_modifiers;
+sub add_before_method_modifier {
+ my ($self, $method_name, $method) = @_;
+
+ push @{ $self->{before_method_modifiers}{$method_name} ||= [] }, $method;
+ return;
+}
+sub add_around_method_modifier {
+ my ($self, $method_name, $method) = @_;
+
+ push @{ $self->{around_method_modifiers}{$method_name} ||= [] }, $method;
+ return;
+}
+sub add_after_method_modifier {
+ my ($self, $method_name, $method) = @_;
+
+ push @{ $self->{after_method_modifiers}{$method_name} ||= [] }, $method;
+ return;
+}
+
+sub get_before_method_modifiers {
+ my ($self, $method_name) = @_;
+ return @{ $self->{before_method_modifiers}{$method_name} ||= [] }
+}
+sub get_around_method_modifiers {
+ my ($self, $method_name) = @_;
+ return @{ $self->{around_method_modifiers}{$method_name} ||= [] }
+}
+sub get_after_method_modifiers {
+ my ($self, $method_name) = @_;
+ return @{ $self->{after_method_modifiers}{$method_name} ||= [] }
}
sub add_override_method_modifier{
$self->{override_method_modifiers}->{$method_name} = $method;
}
-sub has_override_method_modifier {
- my ($self, $method_name) = @_;
- return exists $self->{override_method_modifiers}->{$method_name};
-}
-
sub get_override_method_modifier {
my ($self, $method_name) = @_;
return $self->{override_method_modifiers}->{$method_name};
}
-sub get_method_modifier_list {
- my($self, $modifier_type) = @_;
-
- return keys %{ $self->{$modifier_type . '_method_modifiers'} };
-}
-
-# This is currently not passing all the Moose tests.
sub does_role {
my ($self, $role_name) = @_;
return 0;
}
-
1;
-
__END__
=head1 NAME
Mouse::Meta::Role - The Mouse Role metaclass
+=head1 VERSION
+
+This document describes Mouse version 0.40_08
+
=head1 SEE ALSO
L<Moose::Meta::Role>