diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/runtime/converter.go')
| -rw-r--r-- | vendor/k8s.io/apimachinery/pkg/runtime/converter.go | 122 |
1 files changed, 12 insertions, 110 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go index b3e8a53b3..918d0831d 100644 --- a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go +++ b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go @@ -17,7 +17,6 @@ limitations under the License. package runtime import ( - "bytes" encodingjson "encoding/json" "fmt" "math" @@ -32,6 +31,7 @@ import ( "k8s.io/apimachinery/pkg/conversion" "k8s.io/apimachinery/pkg/util/json" utilruntime "k8s.io/apimachinery/pkg/util/runtime" + "sigs.k8s.io/structured-merge-diff/v3/value" "k8s.io/klog" ) @@ -68,13 +68,8 @@ func newFieldsCache() *fieldsCache { } var ( - marshalerType = reflect.TypeOf(new(encodingjson.Marshaler)).Elem() - unmarshalerType = reflect.TypeOf(new(encodingjson.Unmarshaler)).Elem() mapStringInterfaceType = reflect.TypeOf(map[string]interface{}{}) stringType = reflect.TypeOf(string("")) - int64Type = reflect.TypeOf(int64(0)) - float64Type = reflect.TypeOf(float64(0)) - boolType = reflect.TypeOf(bool(false)) fieldCache = newFieldsCache() // DefaultUnstructuredConverter performs unstructured to Go typed object conversions. @@ -208,13 +203,9 @@ func fromUnstructured(sv, dv reflect.Value) error { } // Check if the object has a custom JSON marshaller/unmarshaller. - if reflect.PtrTo(dt).Implements(unmarshalerType) { - data, err := json.Marshal(sv.Interface()) - if err != nil { - return fmt.Errorf("error encoding %s to json: %v", st.String(), err) - } - unmarshaler := dv.Addr().Interface().(encodingjson.Unmarshaler) - return unmarshaler.UnmarshalJSON(data) + entry := value.TypeReflectEntryOf(dv.Type()) + if entry.CanConvertFromUnstructured() { + return entry.FromUnstructured(sv, dv) } switch dt.Kind() { @@ -256,6 +247,7 @@ func fieldInfoFromField(structType reflect.Type, field int) *fieldInfo { for i := range items { if items[i] == "omitempty" { info.omitempty = true + break } } } @@ -483,112 +475,28 @@ func toUnstructuredViaJSON(obj interface{}, u *map[string]interface{}) error { return json.Unmarshal(data, u) } -var ( - nullBytes = []byte("null") - trueBytes = []byte("true") - falseBytes = []byte("false") -) - -func getMarshaler(v reflect.Value) (encodingjson.Marshaler, bool) { - // Check value receivers if v is not a pointer and pointer receivers if v is a pointer - if v.Type().Implements(marshalerType) { - return v.Interface().(encodingjson.Marshaler), true - } - // Check pointer receivers if v is not a pointer - if v.Kind() != reflect.Ptr && v.CanAddr() { - v = v.Addr() - if v.Type().Implements(marshalerType) { - return v.Interface().(encodingjson.Marshaler), true - } - } - return nil, false -} - func toUnstructured(sv, dv reflect.Value) error { - // Check if the object has a custom JSON marshaller/unmarshaller. - if marshaler, ok := getMarshaler(sv); ok { - if sv.Kind() == reflect.Ptr && sv.IsNil() { - // We're done - we don't need to store anything. - return nil - } - - data, err := marshaler.MarshalJSON() + // Check if the object has a custom string converter. + entry := value.TypeReflectEntryOf(sv.Type()) + if entry.CanConvertToUnstructured() { + v, err := entry.ToUnstructured(sv) if err != nil { return err } - switch { - case len(data) == 0: - return fmt.Errorf("error decoding from json: empty value") - - case bytes.Equal(data, nullBytes): - // We're done - we don't need to store anything. - - case bytes.Equal(data, trueBytes): - dv.Set(reflect.ValueOf(true)) - - case bytes.Equal(data, falseBytes): - dv.Set(reflect.ValueOf(false)) - - case data[0] == '"': - var result string - err := json.Unmarshal(data, &result) - if err != nil { - return fmt.Errorf("error decoding string from json: %v", err) - } - dv.Set(reflect.ValueOf(result)) - - case data[0] == '{': - result := make(map[string]interface{}) - err := json.Unmarshal(data, &result) - if err != nil { - return fmt.Errorf("error decoding object from json: %v", err) - } - dv.Set(reflect.ValueOf(result)) - - case data[0] == '[': - result := make([]interface{}, 0) - err := json.Unmarshal(data, &result) - if err != nil { - return fmt.Errorf("error decoding array from json: %v", err) - } - dv.Set(reflect.ValueOf(result)) - - default: - var ( - resultInt int64 - resultFloat float64 - err error - ) - if err = json.Unmarshal(data, &resultInt); err == nil { - dv.Set(reflect.ValueOf(resultInt)) - } else if err = json.Unmarshal(data, &resultFloat); err == nil { - dv.Set(reflect.ValueOf(resultFloat)) - } else { - return fmt.Errorf("error decoding number from json: %v", err) - } + if v != nil { + dv.Set(reflect.ValueOf(v)) } - return nil } - - st, dt := sv.Type(), dv.Type() + st := sv.Type() switch st.Kind() { case reflect.String: - if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 { - dv.Set(reflect.New(stringType)) - } dv.Set(reflect.ValueOf(sv.String())) return nil case reflect.Bool: - if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 { - dv.Set(reflect.New(boolType)) - } dv.Set(reflect.ValueOf(sv.Bool())) return nil case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 { - dv.Set(reflect.New(int64Type)) - } dv.Set(reflect.ValueOf(sv.Int())) return nil case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: @@ -596,15 +504,9 @@ func toUnstructured(sv, dv reflect.Value) error { if uVal > math.MaxInt64 { return fmt.Errorf("unsigned value %d does not fit into int64 (overflow)", uVal) } - if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 { - dv.Set(reflect.New(int64Type)) - } dv.Set(reflect.ValueOf(int64(uVal))) return nil case reflect.Float32, reflect.Float64: - if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 { - dv.Set(reflect.New(float64Type)) - } dv.Set(reflect.ValueOf(sv.Float())) return nil case reflect.Map: |