class Object
Rails style callbacks
Public Instance Methods
class_attribute(name)
click to toggle source
# File lib/clean-annotations/class_attribute.rb, line 30 def class_attribute name self.class.send(name) end
define_callback(name)
click to toggle source
# File lib/clean-annotations/class_callbacks.rb, line 4 def define_callback name ivar = "@class_callbacks_#{name}" unless is_a?(Class) || is_a?(Module) raise ArgumentError, 'define_callback Can only be defined in a class or a module' end define_singleton_method(name) do |method_name=nil, &block| ref = caller[0].split(':in ').first self.instance_variable_set(ivar, {}) unless instance_variable_defined?(ivar) self.instance_variable_get(ivar)[ref] = method_name || block end end
method_attr(name=nil, &block)
click to toggle source
# File lib/clean-annotations/method_attr.rb, line 35 def method_attr name=nil, &block if respond_to?(:const_missing) && respond_to?(:ancestors) if name.nil? return MethodAttributes.get(self) || {} end MethodAttributes.define self, name, &block else # instance base = MethodAttributes.get(self.class) name ? base[name] : base end end
run_callback(name, *args)
click to toggle source
# File lib/clean-annotations/class_callbacks.rb, line 19 def run_callback name, *args ivar = "@class_callbacks_#{name}" list = is_a?(Class) || is_a?(Module) ? ancestors : self.class.ancestors list = list.slice 0, list.index(Object) if list.index(Object) list.reverse.each do |klass| if klass.instance_variable_defined?(ivar) mlist = klass.instance_variable_get(ivar).values mlist.each do |m| if m.is_a?(Symbol) send m, *args else instance_exec *args, &m end end end end end