1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
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18//
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30
31#ifndef GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
32#define GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
33
34#include <string>
35
36#include <google/protobuf/stubs/common.h>
37#include <google/protobuf/stubs/status.h>
38
39
40namespace google {
41namespace protobuf {
42class Type;
43class Enum;
44}  // namespace protobuf
45
46
47namespace protobuf {
48class DescriptorPool;
49namespace util {
50
51// Abstract interface for a type resovler.
52//
53// Implementations of this interface must be thread-safe.
54class LIBPROTOBUF_EXPORT TypeResolver {
55 public:
56  TypeResolver() {}
57  virtual ~TypeResolver() {}
58
59  // Resolves a type url for a message type.
60  virtual util::Status ResolveMessageType(
61      const string& type_url, google::protobuf::Type* message_type) = 0;
62
63  // Resolves a type url for an enum type.
64  virtual util::Status ResolveEnumType(const string& type_url,
65                                         google::protobuf::Enum* enum_type) = 0;
66
67 private:
68  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(TypeResolver);
69};
70
71}  // namespace util
72}  // namespace protobuf
73
74}  // namespace google
75#endif  // GOOGLE_PROTOBUF_UTIL_TYPE_RESOLVER_H__
76