gmessages/libgm/json_proto/deseralize.go
2023-06-30 12:54:08 +03:00

53 lines
1.4 KiB
Go

package json_proto
import (
"fmt"
"google.golang.org/protobuf/reflect/protoreflect"
)
func Deserialize(data []interface{}, m protoreflect.Message) error {
for i := 0; i < m.Descriptor().Fields().Len(); i++ {
fieldDescriptor := m.Descriptor().Fields().Get(i)
index := int(fieldDescriptor.Number()) - 1
if index < 0 || index >= len(data) || data[index] == nil {
continue
}
val := data[index]
switch fieldDescriptor.Kind() {
case protoreflect.MessageKind:
nestedData, ok := val.([]interface{})
if !ok {
return fmt.Errorf("expected slice, got %T", val)
}
nestedMessage := m.NewField(fieldDescriptor).Message()
if err := Deserialize(nestedData, nestedMessage); err != nil {
return err
}
m.Set(fieldDescriptor, protoreflect.ValueOfMessage(nestedMessage))
case protoreflect.BytesKind:
bytes, ok := val.([]byte)
if !ok {
return fmt.Errorf("expected bytes, got %T", val)
}
m.Set(fieldDescriptor, protoreflect.ValueOfBytes(bytes))
case protoreflect.Int32Kind, protoreflect.Int64Kind:
num, ok := val.(float64)
if !ok {
return fmt.Errorf("expected number, got %T", val)
}
m.Set(fieldDescriptor, protoreflect.ValueOf(int64(num)))
case protoreflect.StringKind:
str, ok := val.(string)
if !ok {
return fmt.Errorf("expected string, got %T", val)
}
m.Set(fieldDescriptor, protoreflect.ValueOf(str))
default:
// ignore fields of other types
}
}
return nil
}