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Contents

# frozen_string_literal: true

module Grape
  class Router
    # this could be an OpenStruct, but doesn't work in Ruby 2.3.0, see https://bugs.ruby-lang.org/issues/12251
    class AttributeTranslator
      attr_reader :attributes, :request_method, :requirements

      ROUTE_ATTRIBUTES = %i[
        prefix
        version
        settings
        format
        description
        http_codes
        headers
        entity
        details
        requirements
        request_method
        namespace
      ].freeze

      ROUTER_ATTRIBUTES = %i[pattern index].freeze

      def initialize(**attributes)
        @attributes = attributes
      end

      (ROUTER_ATTRIBUTES + ROUTE_ATTRIBUTES).each do |attr|
        define_method attr do
          attributes[attr]
        end
      end

      def to_h
        attributes
      end

      def method_missing(method_name, *args)
        if setter?(method_name[-1])
          attributes[method_name[0..-1]] = *args
        else
          attributes[method_name]
        end
      end

      def respond_to_missing?(method_name, _include_private = false)
        if setter?(method_name[-1])
          true
        else
          @attributes.key?(method_name)
        end
      end

      private

      def setter?(method_name)
        method_name[-1] == '='
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version Path
grape-1.5.0 lib/grape/router/attribute_translator.rb