// return the Lua table at 'idx' as a copied Go map. If 't' is nil then the map
// type is map[string]interface{}
func CopyTableToMap(L *lua.State, t reflect.Type, idx int) interface{} {
if t == nil {
t = reflect.TypeOf(tmap)
}
te, tk := t.Elem(), t.Key()
m := reflect.MakeMap(t)
L.PushNil()
if idx < 0 {
idx--
}
for L.Next(idx) != 0 {
// key at -2, value at -1
key := valueOf(LuaToGo(L, tk, -2))
val := valueOf(LuaToGo(L, te, -1))
m.SetMapIndex(key, val)
L.Pop(1)
}
return m.Interface()
}
func CopyTableToStruct(L *lua.State, t reflect.Type, idx int) interface{} {
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
s := reflect.New(t) // T -> *T
ref := s.Elem()
L.PushNil()
if idx < 0 {
idx--
}
for L.Next(idx) != 0 {
key := L.ToString(-2)
f := ref.FieldByName(key)
if f.IsValid() {
val := valueOf(LuaToGo(L, f.Type(), -1))
f.Set(val)
}
L.Pop(1)
}
return s.Interface()
}