lib/hashie/extensions/dash/indifferent_access.rb
module Hashie
module Extensions
module Dash
module IndifferentAccess
def self.included(base)
base.extend ClassMethods
base.send :include, Hashie::Extensions::IndifferentAccess
end
def self.maybe_extend(base)
return unless requires_class_methods?(base)
base.extend(ClassMethods)
end
def self.requires_class_methods?(klass)
klass <= Hashie::Dash &&
!klass.singleton_class.included_modules.include?(ClassMethods)
end
private_class_method :requires_class_methods?
def to_h
defaults = ::Hash[self.class.properties.map do |prop|
[Hashie::Extensions::IndifferentAccess.convert_key(prop), self.class.defaults[prop]]
end]
defaults.merge(self)
end
alias to_hash to_h
module ClassMethods
# Check to see if the specified property has already been
# defined.
def property?(name)
name = translations[name.to_sym] if translation_for?(name)
name = name.to_s
!!properties.find { |property| property.to_s == name }
end
def translation_exists?(name)
name = name.to_s
!!translations.keys.find { |key| key.to_s == name }
end
def transformed_property(property_name, value)
transform = transforms[property_name] || transforms[property_name.to_sym]
transform.call(value)
end
def transformation_exists?(name)
name = name.to_s
!!transforms.keys.find { |key| key.to_s == name }
end
private
def translation_for?(name)
included_modules.include?(Hashie::Extensions::Dash::PropertyTranslation) &&
translation_exists?(name)
end
end
end
end
end
end