module StrongDelegate

Constants

VERSION

Public Class Methods

included(base) click to toggle source

# File lib/strong_delegate.rb, line 6
def self.included(base)
  base.extend(ClassMethods)
end

Private Instance Methods

assert_delegate!(object, name) click to toggle source

# File lib/strong_delegate.rb, line 60
def assert_delegate!(object, name)
  return if object.method(name).parameters.map(&:first) == self.class.delegate_methods[name].map(&:first)
  raise StrongDelegate::InvalidInterfaceError
end

delegate_object() click to toggle source

# File lib/strong_delegate.rb, line 49
def delegate_object
  instance_variable_get self.class.delegate_variable_name
end

invoke_delegate_method!(name, args, block) click to toggle source

# File lib/strong_delegate.rb, line 53
def invoke_delegate_method!(name, args, block)
  object = delegate_object
  assert_delegate!(object, name.to_sym)

  object.public_send(name, *args, &block)
end

method_missing(name, *args, &block) click to toggle source

Calls superclass method

# File lib/strong_delegate.rb, line 41
def method_missing(name, *args, &block)
  if self.class.delegate_methods.key?(name.to_sym)
    invoke_delegate_method!(name.to_sym, args, block)
  else
    super
  end
end