xref: /aosp_15_r20/external/golang-protobuf/protoadapt/convert.go (revision 1c12ee1efe575feb122dbf939ff15148a3b3e8f2)
1// Copyright 2023 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// Package protoadapt bridges the original and new proto APIs.
6package protoadapt
7
8import (
9	"google.golang.org/protobuf/proto"
10	"google.golang.org/protobuf/runtime/protoiface"
11	"google.golang.org/protobuf/runtime/protoimpl"
12)
13
14// MessageV1 is the original "github.com/golang/protobuf/proto".Message type.
15type MessageV1 = protoiface.MessageV1
16
17// MessageV2 is the Message type used by the current google.golang.org/protobuf
18// module, adding support for reflection.
19type MessageV2 = proto.Message
20
21// MessageV1Of converts a v2 message to a v1 message.
22// It returns nil if m is nil.
23func MessageV1Of(m MessageV2) protoiface.MessageV1 {
24	return protoimpl.X.ProtoMessageV1Of(m)
25}
26
27// MessageV2Of converts a v1 message to a v2 message.
28// It returns nil if m is nil.
29func MessageV2Of(m MessageV1) proto.Message {
30	return protoimpl.X.ProtoMessageV2Of(m)
31}
32