diff options
| -rw-r--r-- | lib/MooseX/Privacy/Meta/Attribute/Privacy.pm | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/lib/MooseX/Privacy/Meta/Attribute/Privacy.pm b/lib/MooseX/Privacy/Meta/Attribute/Privacy.pm new file mode 100644 index 0000000..848db87 --- /dev/null +++ b/lib/MooseX/Privacy/Meta/Attribute/Privacy.pm @@ -0,0 +1,92 @@ +package MooseX::Privacy::Meta::Attribute::Privacy; + +use MooseX::Role::Parameterized; + +parameter level => (isa => 'Str', is => 'ro', required => 1,); + +role { + my $p = shift; + + my $check_method = '_check_' . $p->level; + my $push_method = '_push_' . $p->level . '_attribute'; + my $local_attribute = 'local_' . $p->level . '_attributes'; + + method _generate_accessor_method => sub { + my $meta = shift; + my $attr = $meta->associated_attribute; + my $package_name = $attr->associated_class->name; + + my $class = $package_name->meta; + if ($class->meta->has_attribute($local_attribute)) { + $class->$push_method($attr->name); + } + + return sub { + my $self = shift; + my $caller = (scalar caller()); + my $name = $self->meta->name; + $meta->$check_method($caller, $attr->name, $package_name, $name); + $attr->set_value($self, $_[0]) if scalar(@_) == 1; + $attr->get_value($self); + }; + }; + + method _generate_reader_method => sub { + my $meta = shift; + my $attr = $meta->associated_attribute; + my $package_name = $attr->associated_class->name; + + return sub { + my $self = shift; + my $caller = (scalar caller()); + my $name = $self->meta->name; + $meta->$check_method($caller, $attr->name, $package_name, $name); + confess "Cannot assign a value to a read-only accessor" if @_ > 1; + $attr->get_value($self); + }; + }; + + method _generate_writer_method => sub { + my $meta = shift; + my $attr = $meta->associated_attribute; + my $package_name = $attr->associated_class->name; + + return sub { + my $self = shift; + my $caller = (scalar caller()); + my $name = $self->meta->name; + $meta->$check_method($caller, $attr->name, $package_name, $name); + $attr->set_value($self, $_[1]); + }; + }; + + method _generate_predicate_method => sub { + my $meta = shift; + my $attr = $meta->associated_attribute; + my $package_name = $attr->associated_class->name; + + return sub { + my $self = shift; + my $caller = (scalar caller()); + my $name = $self->meta->name; + $meta->$check_method($caller, $attr->name, $package_name, $name); + $attr->has_value($self); + }; + }; + + method _generate_clearer_method => sub { + my $meta = shift; + my $attr = $meta->associated_attribute; + my $package_name = $attr->associated_class->name; + + return sub { + my $self = shift; + my $caller = (scalar caller()); + my $name = $self->meta->name; + $meta->$check_method($caller, $attr->name, $package_name, $name); + $attr->clear_value($self); + }; + }; +}; + +1; |