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//
// dolmetschctl
//
//
// Copyright (C) 2019 Christian Pointner <equinox@spreadspace.org>
//
// This file is part of dolmetschctl.
//
// dolmetschctl is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// dolmetschctl is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with dolmetschctl. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"strconv"
"github.com/spreadspace/telgo"
)
type TelnetInterface struct {
server *telgo.Server
}
func telnetCmdLang(c *telgo.Client, args []string, sm *StateMachine) bool {
if len(args) > 2 {
c.Sayln("usage: lang <language>")
return false
}
if len(args) == 1 {
c.Sayln("current language: %s", sm.GetLanguage())
return false
}
lang := args[1]
if lang == "none" {
lang = ""
}
if err := sm.SetLanguage(Language(lang)); err != nil {
c.Sayln("selecting language failed: %v", err)
}
return false
}
func telnetCmdRatio(c *telgo.Client, args []string, sm *StateMachine) bool {
if len(args) > 2 {
c.Sayln("usage: ratio <ratio>")
return false
}
if len(args) == 1 {
c.Sayln("current ratio: %1.3f", sm.GetOriginal2InterpreterRatio())
return false
}
r, err := strconv.ParseFloat(args[1], 32)
if err != nil {
c.Sayln("invalid ratio: %v", err)
return false
}
if err := sm.SetOriginal2InterpreterRatio(float32(r)); err != nil {
c.Sayln("setting ratio failed: %v", err)
}
return false
}
func telnetCmdState(c *telgo.Client, args []string, sm *StateMachine) bool {
if len(args) != 1 {
c.Sayln("usage: state")
return false
}
c.Sayln("current state: %s", sm.GetState())
return false
}
func telnetQuit(c *telgo.Client, args []string) bool {
return true
}
func (telnet *TelnetInterface) Run() error {
return telnet.server.Run()
}
func NewTelnetInterface(addr string, sm *StateMachine) (telnet *TelnetInterface, err error) {
telnet = &TelnetInterface{}
cmdlist := make(telgo.CmdList)
cmdlist["lang"] = func(c *telgo.Client, args []string) bool { return telnetCmdLang(c, args, sm) }
cmdlist["ratio"] = func(c *telgo.Client, args []string) bool { return telnetCmdRatio(c, args, sm) }
cmdlist["state"] = func(c *telgo.Client, args []string) bool { return telnetCmdState(c, args, sm) }
cmdlist["quit"] = telnetQuit
telnet.server, err = telgo.NewServer(addr, "dolmetschctl> ", cmdlist, nil)
return
}
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