Module: MethodDecorator

Defined in:
lib/method_decorator.rb,
lib/method_decorator/version.rb,
lib/method_decorator/decoration.rb,
lib/method_decorator/repository.rb

Defined Under Namespace

Classes: Decoration, Repository

Constant Summary collapse

VERSION = 
'2.1.0'

Class Method Summary collapse

Class Method Details

.call_original_method(target_context, target_method_name, *original_args, &original_block) ⇒ Object 



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# File 'lib/method_decorator.rb', line 35

def call_original_method(target_context, target_method_name, *original_args, &original_block)
  target_class = target_class_from_context(target_context)
  target_method = Repository.original_target_method_of(target_class, target_method_name)
  target_method.bind(target_context).call(*original_args, &original_block)
end

.decorate(target_class, target_method_name, &decoration) ⇒ Object 



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# File 'lib/method_decorator.rb', line 7

def decorate(target_class, target_method_name, &decoration)
  raise 'target_method_name must be a symbol' unless target_method_name.is_a? Symbol
  added = add_to_repository(decoration, target_class, target_method_name)
  override_method(decoration, target_class, target_method_name) if added
  added
end

.target_class_from_context(target_context) ⇒ Object 



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# File 'lib/method_decorator.rb', line 41

def target_class_from_context(target_context)
  if target_type_from_context(target_context).eql? :singleton
    target_context.singleton_class
  else
    target_context.class
  end
end

.target_type_from_context(target_context) ⇒ Object 



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# File 'lib/method_decorator.rb', line 49

def target_type_from_context(target_context)
  target_context.class.eql?(Class) ? :singleton : :class
end