Esempio n. 1
0
File: input.go Progetto: elos/elos
// stringListInput requests a list of a comma delimitted strings
//
// Use this where you need to take a list of string values,
// such as the case where you want to take a list of strings
//
// It parses the strings based on commas, or double commas,
// if the string input needs to include commas
func stringListInput(ui cli.Ui, text string) ([]string, error) {
	in, err := ui.Ask(text + " [list,of,strings]")
	if err != nil {
		return nil, err
	}

	// if the user used double commas, single commas will be ignored
	if strings.Contains(in, ",,") {
		return strings.Split(in, ",,"), nil
	}

	return strings.Split(in, ","), nil
}
Esempio n. 2
0
File: input.go Progetto: elos/elos
// intInput requests an integer input (signed)
//
// Use intInput if you need to retrieve an integer.
func intInput(ui cli.Ui, text string) (int, error) {
	for {
		input, err := ui.Ask(text + " [integer]:")
		if err != nil {
			return 0, err
		}

		i64, err := strconv.ParseInt(input, 10, 64)
		if err == nil {
			return int(i64), nil
		}

		out := "Invalid input, please try again. Valid integer expressions include: 1, 12, -300 etc."
		ui.Output(strings.TrimSpace(out))
	}
}
Esempio n. 3
0
File: input.go Progetto: elos/elos
// boolInput requests a boolean input
//
// Use this where you need to take a boolean value. If you are
// looking for a confirmation prompt, however, use 'yesNo'
func boolInput(ui cli.Ui, text string) (bool, error) {
	for {
		input, err := ui.Ask(text + " [boolean]:")
		if err != nil {
			return false, err
		}

		switch input {
		case "yes":
			return true, err
		case "no":
			return false, err
		default:
			b, err := strconv.ParseBool(input)
			if err == nil {
				return b, nil
			}

			out := " Invalid input, please try again. Valid boolean expressions include: true, false, 0, 1 etc."
			ui.Output(strings.TrimSpace(out))
		}
	}
}
Esempio n. 4
0
File: input.go Progetto: elos/elos
// stringInput requests textual input
//
// Use this where you need to take a string value, or where
// you would want to parse a string input yourself
func stringInput(ui cli.Ui, text string) (string, error) {
	return ui.Ask(text + " [string]:")
}
Esempio n. 5
0
File: input.go Progetto: elos/elos
// yesNo requests confirmation of something
//
// Use this for deciding what to do, like whether to request
// additional information from a user or whether the user
// intended to do something.
func yesNo(ui cli.Ui, text string) (bool, error) {
	i, err := ui.Ask(text + " [y to confirm]")
	return (i == "y"), err
}