divide_route_options

# File actionpack/lib/action_controller/routing/builder.rb, line 57
      def divide_route_options(segments, options)
        options = options.except(:path_prefix, :name_prefix)

        if options[:namespace]
          options[:controller] = "#{options.delete(:namespace).sub(/\/$/, '')}/#{options[:controller]}"
        end

        requirements = (options.delete(:requirements) || {}).dup
        defaults     = (options.delete(:defaults)     || {}).dup
        conditions   = (options.delete(:conditions)   || {}).dup

        validate_route_conditions(conditions)

        path_keys = segments.collect { |segment| segment.key if segment.respond_to?(:key) }.compact
        options.each do |key, value|
          hash = (path_keys.include?(key) && ! value.is_a?(Regexp)) ? defaults : requirements
          hash[key] = value
        end

        [defaults, requirements, conditions]
      end