package Moose::Meta::Attribute::Native::Trait;
use Moose::Role;
use Moose::Util::TypeConstraints;
+use Moose::Deprecated;
-our $VERSION = '1.12';
+our $VERSION = '1.15';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
requires '_helper_type';
-# these next two are the possible methods you can use in the 'handles'
-# map.
-
-# provide a Class or Role which we can collect the method providers
-# from
-
-# or you can provide a HASH ref of anon subs yourself. This will also
-# collect and store the methods from a method_provider as well
-has 'method_constructors' => (
- is => 'ro',
- isa => 'HashRef',
- lazy => 1,
- default => sub {
- my $self = shift;
- return +{} unless $self->has_method_provider;
- # or grab them from the role/class
- my $method_provider = $self->method_provider->meta;
- return +{
- map {
- $_->name => $_
- } $method_provider->_get_local_methods
- };
- },
-);
-
-# methods called prior to instantiation
-
before '_process_options' => sub {
my ( $self, $name, $options ) = @_;
$self->_check_helper_type( $options, $name );
- $options->{is} = $self->_default_is
- if ! exists $options->{is} && $self->can('_default_is');
+ if ( !exists $options->{is} && $self->can('_default_is') ) {
+ $options->{is} = $self->_default_is;
- $options->{default} = $self->_default_default
- if ! exists $options->{default} && $self->can('_default_default');
+ Moose::Deprecated::deprecated(
+ feature => 'default is for Native Trait',
+ message =>
+ q{Allowing a native trait to automatically supply a value for "is" is deprecated}
+ );
+ }
+
+ if ( !exists $options->{default} && $self->can('_default_default') ) {
+ $options->{default} = $self->_default_default;
+
+ Moose::Deprecated::deprecated(
+ feature => 'default default for Native Trait',
+ message =>
+ 'Allowing a native trait to automatically supply a default is deprecated'
+ );
+ }
};
sub _check_helper_type {
"The type constraint for $name must be a subtype of $type but it's a $isa";
}
+before 'install_accessors' => sub { (shift)->_check_handles_values };
+
+sub _check_handles_values {
+ my $self = shift;
+
+ my %handles = $self->_canonicalize_handles;
+
+ for my $original_method ( values %handles ) {
+ my $name = $original_method->[0];
+
+ my $accessor_class = $self->_native_accessor_class_for($name);
+
+ ( $accessor_class && $accessor_class->can('new') )
+ || confess
+ "$name is an unsupported method type - $accessor_class";
+ }
+}
+
around '_canonicalize_handles' => sub {
- my $next = shift;
+ shift;
my $self = shift;
my $handles = $self->handles;
unless ( 'HASH' eq ref $handles ) {
$self->throw_error(
- "The 'handles' option must be a HASH reference, not $handles" );
+ "The 'handles' option must be a HASH reference, not $handles");
}
return map {
} keys %$handles;
};
-# methods called after instantiation
-
-before 'install_accessors' => sub { (shift)->_check_handles_values };
+around '_make_delegation_method' => sub {
+ my $next = shift;
+ my ( $self, $handle_name, $method_to_call ) = @_;
-sub _check_handles_values {
- my $self = shift;
+ my ( $name, @curried_args ) = @$method_to_call;
- my $method_constructors = $self->method_constructors;
+ my $accessor_class = $self->_native_accessor_class_for($name);
- my %handles = $self->_canonicalize_handles;
+ die "Cannot find an accessor class for $name"
+ unless $accessor_class && $accessor_class->can('new');
- for my $original_method ( values %handles ) {
- my $name = $original_method->[0];
- ( exists $method_constructors->{$name} )
- || confess "$name is an unsupported method type";
- }
+ return $accessor_class->new(
+ name => $handle_name,
+ package_name => $self->associated_class->name,
+ delegate_to_method => $name,
+ attribute => $self,
+ is_inline => 1,
+ curried_arguments => \@curried_args,
+ root_types => [ $self->_root_types ],
+ );
+};
+sub _root_types {
+ return $_[0]->_helper_type;
}
-around '_make_delegation_method' => sub {
- my $next = shift;
- my ( $self, $handle_name, $method_to_call ) = @_;
+sub _native_accessor_class_for {
+ my ( $self, $suffix ) = @_;
- my ( $name, @curried_args ) = @$method_to_call;
+ my $role
+ = 'Moose::Meta::Method::Accessor::Native::'
+ . $self->_native_type . '::'
+ . $suffix;
- my $method_constructors = $self->method_constructors;
+ return Moose::Meta::Class->create_anon_class(
+ superclasses =>
+ [ $self->accessor_metaclass, $self->delegation_metaclass ],
+ roles => [$role],
+ cache => 1,
+ )->name;
+}
- my $code = $method_constructors->{$name}->(
- $self,
- $self->get_read_method_ref,
- $self->get_write_method_ref,
- );
+sub _build_native_type {
+ my $self = shift;
- return $next->(
- $self,
- $handle_name,
- sub {
- my $instance = shift;
- return $code->( $instance, @curried_args, @_ );
- },
- );
-};
+ for my $role_name ( map { $_->name } $self->meta->calculate_all_roles ) {
+ return $1 if $role_name =~ /::Native::Trait::(\w+)$/;
+ }
+
+ die "Cannot calculate native type for " . ref $self;
+}
+
+has '_native_type' => (
+ is => 'ro',
+ isa => 'Str',
+ lazy => 1,
+ builder => '_build_native_type',
+);
no Moose::Role;
no Moose::Util::TypeConstraints;
projects / gitmo/Moose.git / blobdiff