func main() {
if len(os.Args) > 1 {
input := strings.Replace(strings.Join(os.Args[1:], ""), " ", "", -1)
res, err := compute.Evaluate(input)
if err != nil {
fmt.Println("Error: " + err.Error())
return
}
fmt.Printf("%s\n", strconv.FormatFloat(res, 'G', -1, 64))
return
}
var err error
regularState, err = terminal.MakeRaw(0)
if err != nil {
panic(err)
}
defer terminal.Restore(0, regularState)
term := terminal.NewTerminal(os.Stdin, "> ")
term.AutoCompleteCallback = handleKey
for {
text, err := term.ReadLine()
if err != nil {
if err == io.EOF {
// Quit without error on Ctrl^D
fmt.Println()
break
}
panic(err)
}
text = strings.Replace(text, " ", "", -1)
if text == "exit" || text == "quit" {
break
}
res, err := compute.Evaluate(text)
if err != nil {
fmt.Println("Error: " + err.Error())
continue
}
fmt.Printf("%s\n", strconv.FormatFloat(res, 'G', -1, 64))
}
}
func (plugin *pluginMath) doMath(handler foxbot.Handler) error {
res, err := compute.Evaluate(strings.Join(handler.Args, ""))
if len(handler.Args) == 0 || strings.Trim(handler.Args[0], " ") == "" {
keyboard := &tgbotapi.ForceReply{
ForceReply: true,
Selective: true,
}
msg := tgbotapi.NewMessage(handler.Update.Message.Chat.ID, "Please enter your equation")
msg.ReplyToMessageID = handler.Update.Message.MessageID
msg.ReplyMarkup = keyboard
plugin.waitingEquation = &foxbot.WaitingForText{
IsWaiting: true,
ChatID: handler.Update.Message.Chat.ID,
UserID: handler.Update.Message.From.ID,
AnyInChat: false,
Handler: plugin.doMath,
}
handler.API.SendMessage(msg)
return nil
}
if err != nil {
return err
}
msg := tgbotapi.NewMessage(handler.Update.Message.Chat.ID, strconv.FormatFloat(res, 'f', -1, 64))
msg.ReplyToMessageID = handler.Update.Message.MessageID
handler.API.SendMessage(msg)
return nil
}