func (p *Plugin) apiAudioSetTarget(l *lua.State) int {
if l.GetTop() == 0 {
p.instance.Client.VoiceTarget = nil
return 0
}
voiceTarget, ok := luar.LuaToGo(l, nil, 1).(*gumble.VoiceTarget)
if !ok {
l.PushBoolean(false)
return 1
}
p.instance.Client.Send(voiceTarget)
p.instance.Client.VoiceTarget = voiceTarget
return 0
}
// LoadConfig parses the Lua file pointed by 'config' and stores it to options.
func LoadConfig(config string, options interface{}) {
L, err := MakeSandbox(log.Println)
defer L.Close()
err = L.DoFile(config)
if err != nil {
log.Fatalf("Error loading config: %s", err)
}
L.GetGlobal("_G")
r := luar.LuaToGo(L, reflect.TypeOf(options), -1)
L.Pop(1)
v := reflect.ValueOf(options)
v.Elem().Set(reflect.ValueOf(r).Elem())
}
func ExampleMakeChan() {
L1 := luar.Init()
defer L1.Close()
L2 := luar.Init()
defer L2.Close()
luar.MakeChan(L1)
L1.SetGlobal("c")
L1.GetGlobal("c")
c := luar.LuaToGo(L1, nil, -1)
luar.Register(L2, "", luar.Map{
"c": c,
"Print": fmt.Println,
})
const code1 = `
c.send(17)
`
const code2 = `
v = c.recv()
Print(v)
`
var wg sync.WaitGroup
wg.Add(1)
go func() {
err := L1.DoString(code1)
if err != nil {
fmt.Println(err)
}
wg.Done()
}()
err := L2.DoString(code2)
if err != nil {
fmt.Println(err)
}
wg.Wait()
// Output:
// 17
}
// 'exist' is optional.
func run(L *lua.State, registryIndex string, code string, input *inputInfo, output *outputInfo, exist *inputInfo) error {
// Restore the sandbox.
err := L.DoString(luaRestoreSandbox)
if err != nil {
log.Fatal("Cannot load function to restore sandbox", err)
}
L.PushString(registryWhitelist)
L.GetTable(lua.LUA_REGISTRYINDEX)
err = L.Call(1, 0)
if err != nil {
log.Fatal("Failed to restore sandbox", err)
}
goToLua(L, "input", *input)
goToLua(L, "output", *output)
if exist != nil {
goToLua(L, "existinfo", *exist)
}
// Shortcut (mostly for prescript and postscript).
L.GetGlobal("input")
L.GetField(-1, "tags")
L.SetGlobal("i")
L.Pop(1)
L.GetGlobal("output")
L.GetField(-1, "tags")
L.SetGlobal("o")
L.Pop(1)
// Call the compiled script.
L.PushString(registryIndex)
L.GetTable(lua.LUA_REGISTRYINDEX)
L.PushString(code)
if L.IsTable(-2) {
L.GetTable(-2)
if L.IsFunction(-1) {
err := L.Call(0, 0)
if err != nil {
L.SetTop(0)
return fmt.Errorf("%s", err)
}
} else {
L.Pop(1)
}
} else {
L.Pop(1)
}
L.Pop(1)
// Allow tags to be numbers for convenience.
outputNumbersToStrings(L)
L.GetGlobal("output")
r := luar.LuaToGo(L, reflect.TypeOf(*output), -1)
L.Pop(1)
*output = r.(outputInfo)
return nil
}