func (c *DecodeCommand) Run(args []string) int {
var url string
// Define option flag parse
flags := flag.NewFlagSet(c.Name, flag.ContinueOnError)
flags.SetOutput(c.ErrorWriter)
flags.Usage = func() {}
// Parse commandline flag
if err := flags.Parse(args); err != nil {
return ExitCodeError
}
// Parse argument
switch flags.NArg() {
case 0:
url = ""
case 1:
url = flags.Arg(0)
default:
c.Ui.Error(os.ErrInvalid.Error() + ": " + flags.Arg(1))
return ExitCodeError
}
if len(url) == 0 {
// Get URL from STDIN
scanner := bufio.NewScanner(c.Reader)
if scanner.Scan() {
url = strings.TrimSpace(scanner.Text())
}
if err := scanner.Err(); err != nil {
c.Ui.Error(os.ErrInvalid.Error() + ": " + err.Error())
return ExitCodeError
}
}
if len(url) == 0 {
c.Ui.Error(os.ErrInvalid.Error() + ": No Argument")
return ExitCodeError
}
// shortening URL
decodeUrl, err := gitioapi.Decode(&gitioapi.Param{Url: url})
if err != nil {
c.Ui.Error(err.Error() + "\n")
return ExitCodeError
}
c.Ui.Output(decodeUrl)
return ExitCodeOK
}
func ExampleDecode() {
shortUrl, _ := gitioapi.Decode(&gitioapi.Param{Url: "http://git.io/t"})
fmt.Print(shortUrl)
// https://github.com/technoweenie
}