| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Author: kenton@google.com (Kenton Varda) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #ifndef GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__ |
| #define GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__ |
| |
| #include <string> |
| |
| #include "google/protobuf/descriptor.h" |
| #include "google/protobuf/compiler/cpp/options.h" |
| #include "google/protobuf/io/printer.h" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace cpp { |
| class EnumGenerator { |
| public: |
| EnumGenerator(const EnumDescriptor* descriptor, const Options& options); |
| |
| EnumGenerator(const EnumGenerator&) = delete; |
| EnumGenerator& operator=(const EnumGenerator&) = delete; |
| |
| ~EnumGenerator() = default; |
| |
| // Generate header code defining the enum. This code should be placed |
| // within the enum's package namespace, but NOT within any class, even for |
| // nested enums. |
| void GenerateDefinition(io::Printer* p); |
| |
| // Generate specialization of GetEnumDescriptor<MyEnum>(). |
| // Precondition: in ::google::protobuf namespace. |
| void GenerateGetEnumDescriptorSpecializations(io::Printer* p); |
| |
| // For enums nested within a message, generate code to import all the enum's |
| // symbols (e.g. the enum type name, all its values, etc.) into the class's |
| // namespace. This should be placed inside the class definition in the |
| // header. |
| void GenerateSymbolImports(io::Printer* p) const; |
| |
| // Source file stuff. |
| |
| // Generate non-inline methods related to the enum, such as IsValidValue(). |
| // Goes in the .cc file. EnumDescriptors are stored in an array, idx is |
| // the index in this array that corresponds with this enum. |
| void GenerateMethods(int idx, io::Printer* p); |
| |
| private: |
| friend class FileGenerator; |
| |
| struct ValueLimits { |
| const EnumValueDescriptor* min; |
| const EnumValueDescriptor* max; |
| |
| static ValueLimits FromEnum(const EnumDescriptor* descriptor); |
| }; |
| |
| const EnumDescriptor* enum_; |
| Options options_; |
| |
| bool generate_array_size_; |
| bool should_cache_; |
| bool has_reflection_; |
| ValueLimits limits_; |
| }; |
| |
| } // namespace cpp |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #endif // GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__ |