Contents

module DataMapper
  class Property
    class Boolean < Object
      load_as ::TrueClass
      dump_as ::TrueClass

      TRUE_VALUES  = [1, '1', 't', 'T', 'true',  'TRUE'].freeze
      FALSE_VALUES = [0, '0', 'f', 'F', 'false', 'FALSE'].freeze
      BOOLEAN_MAP  = (TRUE_VALUES.product([true]) + FALSE_VALUES.product([false])).to_h.freeze

      # @api semipublic
      def value_dumped?(value)
        value_loaded?(value)
      end

      # @api semipublic
      def value_loaded?(value)
        [true, false].include?(value)
      end

      # Typecast a value to a true or false
      #
      # @param [Integer, #to_str] value
      #   value to typecast
      #
      # @return [Boolean]
      #   true or false constructed from value
      #
      # @api private
      def typecast_to_primitive(value)
        BOOLEAN_MAP.fetch(value, value)
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
sbf-dm-core-1.3.0	lib/dm-core/property/boolean.rb
sbf-dm-core-1.3.0.beta	lib/dm-core/property/boolean.rb