ProtoAsValue converts between cel.expr.Value and ref.Val.
(adapter types.Adapter, v *celpb.Value)
| 304 | |
| 305 | // ProtoAsValue converts between cel.expr.Value and ref.Val. |
| 306 | func ProtoAsValue(adapter types.Adapter, v *celpb.Value) (ref.Val, error) { |
| 307 | switch v.Kind.(type) { |
| 308 | case *celpb.Value_NullValue: |
| 309 | return types.NullValue, nil |
| 310 | case *celpb.Value_BoolValue: |
| 311 | return types.Bool(v.GetBoolValue()), nil |
| 312 | case *celpb.Value_Int64Value: |
| 313 | return types.Int(v.GetInt64Value()), nil |
| 314 | case *celpb.Value_Uint64Value: |
| 315 | return types.Uint(v.GetUint64Value()), nil |
| 316 | case *celpb.Value_DoubleValue: |
| 317 | return types.Double(v.GetDoubleValue()), nil |
| 318 | case *celpb.Value_StringValue: |
| 319 | return types.String(v.GetStringValue()), nil |
| 320 | case *celpb.Value_BytesValue: |
| 321 | return types.Bytes(v.GetBytesValue()), nil |
| 322 | case *celpb.Value_ObjectValue: |
| 323 | any := v.GetObjectValue() |
| 324 | msg, err := anypb.UnmarshalNew(any, proto.UnmarshalOptions{DiscardUnknown: true}) |
| 325 | if err != nil { |
| 326 | return nil, err |
| 327 | } |
| 328 | return adapter.NativeToValue(msg), nil |
| 329 | case *celpb.Value_MapValue: |
| 330 | m := v.GetMapValue() |
| 331 | entries := make(map[ref.Val]ref.Val) |
| 332 | for _, entry := range m.Entries { |
| 333 | key, err := ProtoAsValue(adapter, entry.Key) |
| 334 | if err != nil { |
| 335 | return nil, err |
| 336 | } |
| 337 | pb, err := ProtoAsValue(adapter, entry.Value) |
| 338 | if err != nil { |
| 339 | return nil, err |
| 340 | } |
| 341 | entries[key] = pb |
| 342 | } |
| 343 | return adapter.NativeToValue(entries), nil |
| 344 | case *celpb.Value_ListValue: |
| 345 | l := v.GetListValue() |
| 346 | elts := make([]ref.Val, len(l.Values)) |
| 347 | for i, e := range l.Values { |
| 348 | rv, err := ProtoAsValue(adapter, e) |
| 349 | if err != nil { |
| 350 | return nil, err |
| 351 | } |
| 352 | elts[i] = rv |
| 353 | } |
| 354 | return adapter.NativeToValue(elts), nil |
| 355 | case *celpb.Value_TypeValue: |
| 356 | typeName := v.GetTypeValue() |
| 357 | tv, ok := typeNameToTypeValue[typeName] |
| 358 | if ok { |
| 359 | return tv, nil |
| 360 | } |
| 361 | return types.NewObjectTypeValue(typeName), nil |
| 362 | } |
| 363 | return nil, errors.New("unknown value") |