// 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
}
// 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))
}
}
// 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))
}
}
}
// 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]:")
}
// 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
}