Module: ActionMailer::AdvAttrAccessor

Defined in:
lib/action_mailer/adv_attr_accessor.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#adv_attr_accessor(*names) ⇒ Object 



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# File 'lib/action_mailer/adv_attr_accessor.rb', line 3

def adv_attr_accessor(*names)
  names.each do |name|
    ivar = "@#{name}"

    class_eval <<-ACCESSORS, __FILE__, __LINE__ + 1
      def #{name}=(value)
        #{ivar} = value
      end

      def #{name}(*args)
        raise ArgumentError, "expected 0 or 1 parameters" unless args.length <= 1
        if args.empty?
          #{ivar} if instance_variable_names.include?(#{ivar.inspect})
        else
          #{ivar} = args.first
        end
      end
    ACCESSORS

    self.protected_instance_variables << ivar if self.respond_to?(:protected_instance_variables)
  end
end