added cli ... sort of (8cff871a) · Commits · bsmrgo / wizards

pkg/wizards/server/server.go

+40 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,10 @@ func New(in io.Reader, out io.Writer) (*Server, error) {
		// Run starts the server instance.
		func (s *Server) Run() error {
		s.header()
		err := s.cli()
		if err != nil {
		//
		}
		s.footer()
		return nil
		}
		@@ -46,3 +50,39 @@ func (s *Server) footer() {
		fmt.Fprintln(s.out, "* Wizards Server is terminating... *")
		fmt.Fprintln(s.out, "**********************************************************************")
		}

		func (s *Server) cli() error {
		for {
		fmt.Fprintf(s.out, "%s: ", "Command")
		line := s.read()
		result, err := s.eval(line)
		if err != nil {
		return err
		}
		output, err := s.eval(result)
		if err != nil {
		return err
		}
		s.print(output)
		}
		}

		func (s *Server) read() string {
		var line string
		n, err := fmt.Fscanln(s.in, &line)
		if n == 0 {
		// no command entered
		}
		if err != nil {
		// something bad happened
		}
		return line
		}

		func (s *Server) eval(line string) (string, error) {
		return "", nil
		}

		func (s *Server) print(output string) {
		fmt.Fprintln(s.out, output)
		}