1// Copyright 2018 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
5package proto
6
7import (
8	"encoding/json"
9	"errors"
10	"fmt"
11	"strconv"
12
13	protoV2 "google.golang.org/protobuf/proto"
14)
15
16var (
17	// Deprecated: No longer returned.
18	ErrNil = errors.New("proto: Marshal called with nil")
19
20	// Deprecated: No longer returned.
21	ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
22
23	// Deprecated: No longer returned.
24	ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
25)
26
27// Deprecated: Do not use.
28type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
29
30// Deprecated: Do not use.
31func GetStats() Stats { return Stats{} }
32
33// Deprecated: Do not use.
34func MarshalMessageSet(interface{}) ([]byte, error) {
35	return nil, errors.New("proto: not implemented")
36}
37
38// Deprecated: Do not use.
39func UnmarshalMessageSet([]byte, interface{}) error {
40	return errors.New("proto: not implemented")
41}
42
43// Deprecated: Do not use.
44func MarshalMessageSetJSON(interface{}) ([]byte, error) {
45	return nil, errors.New("proto: not implemented")
46}
47
48// Deprecated: Do not use.
49func UnmarshalMessageSetJSON([]byte, interface{}) error {
50	return errors.New("proto: not implemented")
51}
52
53// Deprecated: Do not use.
54func RegisterMessageSetType(Message, int32, string) {}
55
56// Deprecated: Do not use.
57func EnumName(m map[int32]string, v int32) string {
58	s, ok := m[v]
59	if ok {
60		return s
61	}
62	return strconv.Itoa(int(v))
63}
64
65// Deprecated: Do not use.
66func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
67	if data[0] == '"' {
68		// New style: enums are strings.
69		var repr string
70		if err := json.Unmarshal(data, &repr); err != nil {
71			return -1, err
72		}
73		val, ok := m[repr]
74		if !ok {
75			return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
76		}
77		return val, nil
78	}
79	// Old style: enums are ints.
80	var val int32
81	if err := json.Unmarshal(data, &val); err != nil {
82		return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
83	}
84	return val, nil
85}
86
87// Deprecated: Do not use; this type existed for intenal-use only.
88type InternalMessageInfo struct{}
89
90// Deprecated: Do not use; this method existed for intenal-use only.
91func (*InternalMessageInfo) DiscardUnknown(m Message) {
92	DiscardUnknown(m)
93}
94
95// Deprecated: Do not use; this method existed for intenal-use only.
96func (*InternalMessageInfo) Marshal(b []byte, m Message, deterministic bool) ([]byte, error) {
97	return protoV2.MarshalOptions{Deterministic: deterministic}.MarshalAppend(b, MessageV2(m))
98}
99
100// Deprecated: Do not use; this method existed for intenal-use only.
101func (*InternalMessageInfo) Merge(dst, src Message) {
102	protoV2.Merge(MessageV2(dst), MessageV2(src))
103}
104
105// Deprecated: Do not use; this method existed for intenal-use only.
106func (*InternalMessageInfo) Size(m Message) int {
107	return protoV2.Size(MessageV2(m))
108}
109
110// Deprecated: Do not use; this method existed for intenal-use only.
111func (*InternalMessageInfo) Unmarshal(m Message, b []byte) error {
112	return protoV2.UnmarshalOptions{Merge: true}.Unmarshal(b, MessageV2(m))
113}
114