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method

url_for

Importance_0
url_for(options) public

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# File actionpack/lib/action_dispatch/routing/route_set.rb, line 460
      def url_for(options)
        finalize!
        options = (options || {}).reverse_merge!(default_url_options)

        handle_positional_args(options)

        rewritten_url = ""

        path_segments = options.delete(:_path_segments)

        unless options[:only_path]
          rewritten_url << (options[:protocol] || "http")
          rewritten_url << "://" unless rewritten_url.match("://")
          rewritten_url << rewrite_authentication(options)

          raise "Missing host to link to! Please provide :host parameter or set default_url_options[:host]" unless options[:host]

          rewritten_url << options[:host]
          rewritten_url << ":#{options.delete(:port)}" if options.key?(:port)
        end

        path_options = options.except(*RESERVED_OPTIONS)
        path_options = yield(path_options) if block_given?
        path = generate(path_options, path_segments || {})

        # ROUTES TODO: This can be called directly, so script_name should probably be set in the routes
        rewritten_url << (options[:trailing_slash] ? path.sub(/\?|\z/) { "/" + $& } : path)
        rewritten_url << "##{Rack::Mount::Utils.escape_uri(options[:anchor].to_param.to_s)}" if options[:anchor]

        rewritten_url
      end
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