package badjson import ( "bytes" "reflect" "github.com/sagernet/sing-box/common/json" E "github.com/sagernet/sing/common/exceptions" ) type JSONArray[T any] []T func (a JSONArray[T]) MarshalJSON() ([]byte, error) { return json.Marshal([]T(a)) } func (a *JSONArray[T]) UnmarshalJSON(content []byte) error { decoder := json.NewDecoder(bytes.NewReader(content)) arrayStart, err := decoder.Token() if err != nil { return err } else if arrayStart != json.Delim('[') { return E.New("excepted array start, but got ", arrayStart) } err = a.decodeJSON(decoder) if err != nil { return err } arrayEnd, err := decoder.Token() if err != nil { return err } else if arrayEnd != json.Delim(']') { return E.New("excepted array end, but got ", arrayEnd) } return nil } func (a *JSONArray[T]) decodeJSON(decoder *json.Decoder) error { for decoder.More() { value, err := decodeJSON(decoder) if err != nil { return err } item, ok := value.(T) if !ok { var defValue T return E.New("can't cast ", value, " to ", reflect.TypeOf(defValue)) } *a = append(*a, item) } return nil }