instance method parse!

# File railties/lib/rails/commands/server.rb, line 8
      def parse!(args)
        args, options = args.dup, {}

        opt_parser = OptionParser.new do |opts|
          opts.banner = "Usage: rails server [mongrel, thin, etc] [options]"
          opts.on("-p", "--port=port", Integer,
                  "Runs Rails on the specified port.", "Default: 3000") { |v| options[:Port] = v }
          opts.on("-b", "--binding=ip", String,
                  "Binds Rails to the specified ip.", "Default: 0.0.0.0") { |v| options[:Host] = v }
          opts.on("-c", "--config=file", String,
                  "Use custom rackup configuration file") { |v| options[:config] = v }
          opts.on("-d", "--daemon", "Make server run as a Daemon.") { options[:daemonize] = true }
          opts.on("-u", "--debugger", "Enable the debugger") { options[:debugger] = true }
          opts.on("-e", "--environment=name", String,
                  "Specifies the environment to run this server under (test/development/production).",
                  "Default: development") { |v| options[:environment] = v }
          opts.on("-P","--pid=pid",String,
                  "Specifies the PID file.",
                  "Default: tmp/pids/server.pid") { |v| options[:pid] = v }

          opts.separator ""

          opts.on("-h", "--help", "Show this help message.") { puts opts; exit }
        end

        opt_parser.parse! args

        options[:server] = args.shift
        options
      end