Contents

class Class
  def cattr_reader(* syms)
    options = extract_options!(syms)
    syms.each do |sym|
      next if sym.is_a?(Hash)
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        unless defined? @@#{sym}
          @@#{sym} = nil
        end

        def self.#{sym}
          @@#{sym}
        end
      EOS

      unless options[:instance_reader] == false
        class_eval(<<-EOS, __FILE__, __LINE__ + 1)
          def #{sym}
            @@#{sym}
          end
        EOS
      end
    end
  end

  def cattr_writer(* syms)
    options = extract_options!(syms)
    syms.each do |sym|
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        unless defined? @@#{sym}
          @@#{sym} = nil
        end

        def self.#{sym}=(obj)
          @@#{sym} = obj
        end
      EOS

      unless options[:instance_writer] == false
        class_eval(<<-EOS, __FILE__, __LINE__ + 1)
          def #{sym}=(obj)
            @@#{sym} = obj
          end
        EOS
      end
    end
  end

  def cattr_accessor(*syms)
    cattr_reader(*syms)
    cattr_writer(*syms)
  end

  def extract_options!(array)
    array.last.is_a?(::Hash) ? array.pop : {}
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
emipair-delayed_job-2.0.3.1	lib/passive_support/core_ext/class/attribute_accessors.rb