1 files changed, 77 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/renderer.rb b/actionpack/lib/action_controller/metal/renderer.rb
new file mode 100644
index 0000000000..572da451ff
--- /dev/null
+++ b/actionpack/lib/action_controller/metal/renderer.rb
@@ -0,0 +1,77 @@
+module ActionController
+  module Renderer
+    extend ActiveSupport::Concern
+
+    include AbstractController::Renderer
+
+    def process_action(*)
+      self.formats = request.formats.map {|x| x.to_sym}
+      super
+    end
+
+    def render(options)
+      super
+      self.content_type ||= begin
+        mime = options[:_template].mime_type
+        formats.include?(mime && mime.to_sym) || formats.include?(:all) ? mime : Mime::Type.lookup_by_extension(formats.first)
+      end.to_s
+      response_body
+    end
+
+    def render_to_body(options)
+      _process_options(options)
+
+      if options.key?(:partial)
+        _render_partial(options[:partial], options)
+      end
+
+      super
+    end
+
+    private
+      def _prefix
+        controller_path
+      end
+
+      def _determine_template(options)
+        if options.key?(:text)
+          options[:_template] = ActionView::TextTemplate.new(options[:text], formats.first)
+        elsif options.key?(:inline)
+          handler = ActionView::Template.handler_class_for_extension(options[:type] || "erb")
+          template = ActionView::Template.new(options[:inline], "inline #{options[:inline].inspect}", handler, {})
+          options[:_template] = template
+        elsif options.key?(:template)
+          options[:_template_name] = options[:template]
+        elsif options.key?(:file)
+          options[:_template_name] = options[:file]
+        elsif !options.key?(:partial)
+          options[:_template_name] = (options[:action] || action_name).to_s
+          options[:_prefix] = _prefix
+        end
+
+        super
+      end
+
+      def _render_partial(partial, options)
+        case partial
+        when true
+          options[:_prefix] = _prefix
+        when String
+          options[:_prefix] = _prefix unless partial.index('/')
+          options[:_template_name] = partial
+        else
+          options[:_partial_object] = true
+          return
+        end
+
+        options[:_partial] = options[:object] || true
+      end
+
+      def _process_options(options)
+        status, content_type, location = options.values_at(:status, :content_type, :location)
+        self.status = status if status
+        self.content_type = content_type if content_type
+        self.headers["Location"] = url_for(location) if location
+      end
+  end
+end