| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. |
| // http://code.google.com/p/protobuf/ |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Author: kenton@google.com (Kenton Varda) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ |
| #define GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ |
| |
| #include <string> |
| #include <vector> |
| #include <google/protobuf/descriptor.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace io { |
| class Printer; // printer.h |
| } |
| } |
| |
| namespace protobuf { |
| namespace compiler { |
| namespace java { |
| |
| class EnumGenerator { |
| public: |
| explicit EnumGenerator(const EnumDescriptor* descriptor); |
| ~EnumGenerator(); |
| |
| void Generate(io::Printer* printer); |
| |
| private: |
| const EnumDescriptor* descriptor_; |
| |
| // The proto language allows multiple enum constants to have the same numeric |
| // value. Java, however, does not allow multiple enum constants to be |
| // considered equivalent. We treat the first defined constant for any |
| // given numeric value as "canonical" and the rest as aliases of that |
| // canonical value. |
| vector<const EnumValueDescriptor*> canonical_values_; |
| |
| struct Alias { |
| const EnumValueDescriptor* value; |
| const EnumValueDescriptor* canonical_value; |
| }; |
| vector<Alias> aliases_; |
| |
| GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumGenerator); |
| }; |
| |
| } // namespace java |
| } // namespace compiler |
| } // namespace protobuf |
| |
| } // namespace google |
| #endif // GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_H__ |