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module_extensions.rb
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module_extensions.rb
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module Virtus
# Virtus module that can define attributes for later inclusion
#
module ModuleExtensions
include ConstMissingExtensions
# Define an attribute in the module
#
# @see Virtus::Extensions#attribute
#
# @return [self]
#
# @api private
def attribute(*args)
attribute_definitions << args
self
end
private
# Extend an object with Virtus methods and define attributes
#
# @param [Object] object
#
# @return [undefined]
#
# @api private
def extended(object)
super
object.extend(Virtus)
define_attributes(object)
object.set_default_attributes
end
# Extend a class with Virtus methods and define attributes
#
# @param [Object] object
#
# @return [undefined]
#
# @api private
def included(object)
super
object.module_eval { include Virtus }
define_attributes(object)
end
# Return attribute definitions
#
# @return [Array<Hash>]
#
# @api private
def attribute_definitions
@_attribute_definitions ||= []
end
# Define attributes on a class or instance
#
# @param [Object,Class] object
#
# @return [undefined]
#
# @api private
def define_attributes(object)
attribute_definitions.each do |attribute_args|
object.attribute(*attribute_args)
end
end
end # module ModuleExtensions
end # module Virtus