| 1016 | } |
| 1017 | |
| 1018 | func (d *Decoder) decodePtr(name string, data interface{}, val reflect.Value) (bool, error) { |
| 1019 | // If the input data is nil, then we want to just set the output |
| 1020 | // pointer to be nil as well. |
| 1021 | isNil := data == nil |
| 1022 | if !isNil { |
| 1023 | switch v := reflect.Indirect(reflect.ValueOf(data)); v.Kind() { |
| 1024 | case reflect.Chan, |
| 1025 | reflect.Func, |
| 1026 | reflect.Interface, |
| 1027 | reflect.Map, |
| 1028 | reflect.Ptr, |
| 1029 | reflect.Slice: |
| 1030 | isNil = v.IsNil() |
| 1031 | } |
| 1032 | } |
| 1033 | if isNil { |
| 1034 | if !val.IsNil() && val.CanSet() { |
| 1035 | nilValue := reflect.New(val.Type()).Elem() |
| 1036 | val.Set(nilValue) |
| 1037 | } |
| 1038 | |
| 1039 | return true, nil |
| 1040 | } |
| 1041 | |
| 1042 | // Create an element of the concrete (non pointer) type and decode |
| 1043 | // into that. Then set the value of the pointer to this type. |
| 1044 | valType := val.Type() |
| 1045 | valElemType := valType.Elem() |
| 1046 | if val.CanSet() { |
| 1047 | realVal := val |
| 1048 | if realVal.IsNil() || d.config.ZeroFields { |
| 1049 | realVal = reflect.New(valElemType) |
| 1050 | } |
| 1051 | |
| 1052 | if err := d.decode(name, data, reflect.Indirect(realVal)); err != nil { |
| 1053 | return false, err |
| 1054 | } |
| 1055 | |
| 1056 | val.Set(realVal) |
| 1057 | } else { |
| 1058 | if err := d.decode(name, data, reflect.Indirect(val)); err != nil { |
| 1059 | return false, err |
| 1060 | } |
| 1061 | } |
| 1062 | return false, nil |
| 1063 | } |
| 1064 | |
| 1065 | func (d *Decoder) decodeFunc(name string, data interface{}, val reflect.Value) error { |
| 1066 | // Create an element of the concrete (non pointer) type and decode |