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cli.go
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cli.go
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package squircy
import (
"io"
"log"
"os"
"path/filepath"
"strings"
"time"
"github.com/peterh/liner"
"github.com/tyler-sommer/squircy2/squircy/config"
"github.com/tyler-sommer/squircy2/squircy/event"
"github.com/tyler-sommer/squircy2/squircy/irc"
"github.com/tyler-sommer/squircy2/squircy/script"
)
const (
OutputEvent event.EventType = "cli.OUTPUT"
InputEvent = "cli.INPUT"
)
func (man *Manager) LoopCli() {
man.Invoke(loopCli)
}
func loopCli(conf *config.Configuration, l *log.Logger, ircmgr *irc.IrcConnectionManager, evm event.EventManager, scmgr *script.ScriptManager) {
hist := filepath.Join(conf.RootPath, ".history")
cli := liner.NewLiner()
defer func() {
if f, err := os.Create(hist); err == nil {
cli.WriteHistory(f)
f.Close()
}
cli.Close()
}()
if f, err := os.Open(hist); err == nil {
cli.ReadHistory(f)
f.Close()
}
commands := []string{"exit", "reload", "repl", "debug", "connect", "reconnect", "disconnect"}
cli.SetCompleter(func(line string) []string {
res := []string{}
for _, v := range commands {
if strings.HasPrefix(v, line) {
res = append(res, v)
}
}
return res
})
help := func() {
l.Println(`Commands:
exit Quits IRC, if connected, and exits the program
reload Reload the scripting engine
repl Start a JavaScript REPL
debug Toggles debug on or off`)
if ircmgr.Status() != irc.Disconnected {
l.Println(`disconnect Disconnect from IRC
reconnect Force a reconnection to IRC`)
} else {
l.Println("connect Connect to IRC")
}
l.Println()
}
help()
for {
cmd, err := cli.Prompt("cmd> ")
if err != nil {
// TODO: do something useful
continue
}
evm.Trigger(InputEvent, map[string]interface{}{
"Message": cmd,
})
cli.AppendHistory(cmd)
switch {
case cmd == "exit" || cmd == "quit":
go ircmgr.Quit()
time.Sleep(2 * time.Second)
l.Println("Exiting")
return
case cmd == "debug":
debugging := !ircmgr.Debug()
ircmgr.SetDebug(debugging)
if debugging {
l.Println("Debug ENABLED")
} else {
l.Println("Debug DISABLED")
}
case cmd == "reload":
l.Println("Reloading...")
scmgr.ReInit()
l.Println("Reloaded.")
case cmd == "repl":
scmgr.Repl()
case cmd == "connect" || cmd == "disconnect":
if ircmgr.Status() != irc.Disconnected {
l.Println("Disconnecting...")
ircmgr.Quit()
} else {
l.Println("Connecting...")
ircmgr.Connect()
}
case cmd == "reconnect":
l.Println("Reconnecting...")
ircmgr.Reconnect()
default:
l.Print("Unknown input. ")
help()
}
}
}
func configureLog(manager *Manager, evm event.EventManager) {
hist := &triggerLogger{evm}
out := io.MultiWriter(os.Stdout, hist)
logger := log.New(out, "", 0)
manager.Map(logger)
}
type triggerLogger struct {
evm event.EventManager
}
func (l *triggerLogger) Write(p []byte) (n int, err error) {
l.evm.Trigger(OutputEvent, map[string]interface{}{
"Message": string(p),
})
return
}