module ActionController module Rendering extend ActiveSupport::Concern include AbstractController::Rendering # Before processing, set the request formats in current controller formats. def process_action(*) #:nodoc: self.formats = request.formats.map { |x| x.ref } super end # Check for double render errors and set the content_type after rendering. def render(*args) #:nodoc: raise ::AbstractController::DoubleRenderError if response_body super self.content_type ||= Mime[lookup_context.rendered_format].to_s response_body end # Overwrite render_to_string because body can now be set to a rack body. def render_to_string(*) if self.response_body = super string = "" response_body.each { |r| string << r } string end ensure self.response_body = nil end private # Normalize arguments by catching blocks and setting them on :update. def _normalize_args(action=nil, options={}, &blk) #:nodoc: options = super options[:update] = blk if block_given? options end # Normalize both text and status options. def _normalize_options(options) #:nodoc: if options.key?(:text) && options[:text].respond_to?(:to_text) options[:text] = options[:text].to_text end if options[:status] options[:status] = Rack::Utils.status_code(options[:status]) end super end # Process controller specific options, as status, content-type and location. def _process_options(options) #:nodoc: 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 super end end end