keys %{$self->get_attribute_map};
}
-# method modifiers
-
-# mimic the metaclass API
-sub add_before_method_modifier { (shift)->_add_method_modifier('before', @_) }
-sub add_around_method_modifier { (shift)->_add_method_modifier('around', @_) }
-sub add_after_method_modifier { (shift)->_add_method_modifier('after', @_) }
-
-sub _add_method_modifier {
- my ($self, $modifier_type, $method_name, $method) = @_;
- my $accessor = "get_${modifier_type}_method_modifiers_map";
- $self->$accessor->{$method_name} = []
- unless exists $self->$accessor->{$method_name};
- my $modifiers = $self->$accessor->{$method_name};
- # NOTE:
- # check to see that we aren't adding the
- # same code twice. We err in favor of the
- # first on here, this may not be as expected
- foreach my $modifier (@{$modifiers}) {
- return if $modifier == $method;
- }
- push @{$modifiers} => $method;
-}
-
-sub add_override_method_modifier {
- my ($self, $method_name, $method) = @_;
- (!$self->has_method($method_name))
- || confess "Cannot add an override of method '$method_name' " .
- "because there is a local version of '$method_name'";
- $self->get_override_method_modifiers_map->{$method_name} = $method;
-}
-
-sub has_before_method_modifiers { (shift)->_has_method_modifiers('before', @_) }
-sub has_around_method_modifiers { (shift)->_has_method_modifiers('around', @_) }
-sub has_after_method_modifiers { (shift)->_has_method_modifiers('after', @_) }
-
-# override just checks for one,..
-# but we can still re-use stuff
-sub has_override_method_modifier { (shift)->_has_method_modifiers('override', @_) }
-
-sub _has_method_modifiers {
- my ($self, $modifier_type, $method_name) = @_;
- my $accessor = "get_${modifier_type}_method_modifiers_map";
- # NOTE:
- # for now we assume that if it exists,..
- # it has at least one modifier in it
- (exists $self->$accessor->{$method_name}) ? 1 : 0;
-}
-
-sub get_before_method_modifiers { (shift)->_get_method_modifiers('before', @_) }
-sub get_around_method_modifiers { (shift)->_get_method_modifiers('around', @_) }
-sub get_after_method_modifiers { (shift)->_get_method_modifiers('after', @_) }
-
-sub _get_method_modifiers {
- my ($self, $modifier_type, $method_name) = @_;
- my $accessor = "get_${modifier_type}_method_modifiers_map";
- @{$self->$accessor->{$method_name}};
-}
-
-sub get_override_method_modifier {
- my ($self, $method_name) = @_;
- $self->get_override_method_modifiers_map->{$method_name};
-}
-
-sub get_method_modifier_list {
- my ($self, $modifier_type) = @_;
- my $accessor = "get_${modifier_type}_method_modifiers_map";
- keys %{$self->$accessor};
-}
## applying a role to a class ...
}
}
-sub _apply_override_method_modifiers {
- my ($self, $other) = @_;
- foreach my $method_name ($self->get_method_modifier_list('override')) {
- # it if it has one already then ...
- if ($other->has_method($method_name)) {
- # if it is being composed into another role
- # we have a conflict here, because you cannot
- # combine an overriden method with a locally
- # defined one
- if ($other->isa('Moose::Meta::Role')) {
- confess "Role '" . $self->name . "' has encountered an 'override' method conflict " .
- "during composition (A local method of the same name as been found). This " .
- "is fatal error.";
- }
- else {
- # if it is a class, then we
- # just ignore this here ...
- next;
- }
- }
- else {
- # if no local method is found, then we
- # must check if we are a role or class
- if ($other->isa('Moose::Meta::Role')) {
- # if we are a role, we need to make sure
- # we dont have a conflict with the role
- # we are composing into
- if ($other->has_override_method_modifier($method_name) &&
- $other->get_override_method_modifier($method_name) != $self->get_override_method_modifier($method_name)) {
- confess "Role '" . $self->name . "' has encountered an 'override' method conflict " .
- "during composition (Two 'override' methods of the same name encountered). " .
- "This is fatal error.";
- }
- else {
- # if there is no conflict,
- # just add it to the role
- $other->add_override_method_modifier(
- $method_name,
- $self->get_override_method_modifier($method_name)
- );
- }
- }
- else {
- # if this is not a role, then we need to
- # find the original package of the method
- # so that we can tell the class were to
- # find the right super() method
- my $method = $self->get_override_method_modifier($method_name);
- my $package = svref_2object($method)->GV->STASH->NAME;
- # if it is a class, we just add it
- $other->add_override_method_modifier($method_name, $method, $package);
- }
- }
- }
-}
-
-sub _apply_method_modifiers {
- my ($self, $modifier_type, $other) = @_;
- my $add = "add_${modifier_type}_method_modifier";
- my $get = "get_${modifier_type}_method_modifiers";
- foreach my $method_name ($self->get_method_modifier_list($modifier_type)) {
- $other->$add(
- $method_name,
- $_
- ) foreach $self->$get($method_name);
- }
-}
-
-sub _apply_before_method_modifiers { (shift)->_apply_method_modifiers('before' => @_) }
-sub _apply_around_method_modifiers { (shift)->_apply_method_modifiers('around' => @_) }
-sub _apply_after_method_modifiers { (shift)->_apply_method_modifiers('after' => @_) }
-
sub apply {
my ($self, $other) = @_;
$self->_apply_attributes($other);
$self->_apply_methods($other);
-
- $self->_apply_override_method_modifiers($other);
- $self->_apply_before_method_modifiers($other);
- $self->_apply_around_method_modifiers($other);
- $self->_apply_after_method_modifiers($other);
-
+
$other->add_role($self);
}