# File lib/action_view/helpers/url_helper.rb, line 65 def url_for(options = {}) options ||= {} case options when Hash options = { :only_path => options[:host].nil? }.update(options.symbolize_keys) escape = options.key?(:escape) ? options.delete(:escape) : true url = @controller.send(:url_for, options) when String escape = true url = options else escape = false url = polymorphic_path(options) end escape ? escape_once(url) : url end