| // Protocol Buffers - Google's data interchange format | |
| // Copyright 2008 Google Inc. All rights reserved. | |
| // | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file or at | |
| // https://developers.google.com/open-source/licenses/bsd | |
| // Author: jasonh@google.com (Jason Hsueh) | |
| // | |
| // This header is logically internal, but is made public because it is used | |
| // from protocol-compiler-generated code, which may reside in other components. | |
| // It provides reflection support for generated enums, and is included in | |
| // generated .pb.h files and should have minimal dependencies. The methods are | |
| // implemented in generated_message_reflection.cc. | |
| // Must be included last. | |
| namespace google { | |
| namespace protobuf { | |
| class EnumDescriptor; | |
| } // namespace protobuf | |
| } // namespace google | |
| namespace google { | |
| namespace protobuf { | |
| // Returns the EnumDescriptor for enum type E, which must be a | |
| // proto-declared enum type. Code generated by the protocol compiler | |
| // will include specializations of this template for each enum type declared. | |
| template <typename E> | |
| const EnumDescriptor* GetEnumDescriptor(); | |
| namespace internal { | |
| // Helper for EnumType_Parse functions: try to parse the string 'name' as | |
| // an enum name of the given type, returning true and filling in value on | |
| // success, or returning false and leaving value unchanged on failure. | |
| PROTOBUF_EXPORT bool ParseNamedEnum(const EnumDescriptor* descriptor, | |
| absl::string_view name, int* value); | |
| template <typename EnumType> | |
| bool ParseNamedEnum(const EnumDescriptor* descriptor, absl::string_view name, | |
| EnumType* value) { | |
| int tmp; | |
| if (!ParseNamedEnum(descriptor, name, &tmp)) return false; | |
| *value = static_cast<EnumType>(tmp); | |
| return true; | |
| } | |
| // Just a wrapper around printing the name of a value. The main point of this | |
| // function is not to be inlined, so that you can do this without including | |
| // descriptor.h. | |
| PROTOBUF_EXPORT const std::string& NameOfEnum(const EnumDescriptor* descriptor, | |
| int value); | |
| } // namespace internal | |
| } // namespace protobuf | |
| } // namespace google | |