Module: TinCanApi::Enum

Included in:
InteractionType, TCAPIVersion
Defined in:
lib/tin_can_api/enum.rb

Constant Summary collapse

CONVERT_PROC = 
Proc.new do
  @values = constants.collect{|c| const_get(c)}.freeze

  @values.each_with_index do |value, idx|
    the_symbol = constants.find{|c| const_get(c) == value}
    sig = class << value ; self end
    sig.send :define_method, :name, proc{the_symbol}
    sig.send :define_method, :ordinal, proc{idx}

    if value.is_a? Hash
      value.each do |k, v|
        sig.send :define_method, k, (v.is_a?(Proc) ? v : proc{v})
      end
    end
    value.freeze
  end

  class << self
    alias :value_of :const_get
  end

  module_function
  def each
    @values.each { |v| yield v }
  end
  def values
    @values
  end
  extend Enumerable

  freeze
end

Class Method Summary collapse

Class Method Details

.extended(extending_obj) ⇒ Object 



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# File 'lib/tin_can_api/enum.rb', line 37

def self.extended extending_obj
  extending_obj.module_eval &CONVERT_PROC
end