module Zelda
  # Abstract base class to provide common functionality of Zelda importer classes.
  # including method_missing magic to turn an @attrs hash into getters.
  class Base
    def initialize(attrs={})
      @attrs = attrs
    end

    def attributes
      @attrs
    end    

    # Try both string keys and symbol keys in that order.
    def method_missing(method, *args, &block)
      if @attrs[method.to_s]
        return @attrs[method.to_s]
      elsif @attrs[method]
        return @attrs[method]
      else
        super(method, *args, &block)
      end
    end
  end
end