82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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#ifndef GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__
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#define GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__
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#include <string>
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#include "google/protobuf/compiler/cpp/options.h"
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#include "google/protobuf/descriptor.h"
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#include "google/protobuf/io/printer.h"
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace cpp {
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class EnumGenerator {
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public:
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EnumGenerator(const EnumDescriptor* descriptor, const Options& options);
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EnumGenerator(const EnumGenerator&) = delete;
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EnumGenerator& operator=(const EnumGenerator&) = delete;
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~EnumGenerator() = default;
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// Generate header code defining the enum. This code should be placed
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// within the enum's package namespace, but NOT within any class, even for
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// nested enums.
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void GenerateDefinition(io::Printer* p);
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// Generate specialization of GetEnumDescriptor<MyEnum>().
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// Precondition: in ::google::protobuf namespace.
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void GenerateGetEnumDescriptorSpecializations(io::Printer* p);
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// For enums nested within a message, generate code to import all the enum's
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// symbols (e.g. the enum type name, all its values, etc.) into the class's
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// namespace. This should be placed inside the class definition in the
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// header.
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void GenerateSymbolImports(io::Printer* p) const;
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// Source file stuff.
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// Generate non-inline methods related to the enum, such as IsValidValue().
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// Goes in the .cc file. EnumDescriptors are stored in an array, idx is
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// the index in this array that corresponds with this enum.
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void GenerateMethods(int idx, io::Printer* p);
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private:
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friend class FileGenerator;
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struct ValueLimits {
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const EnumValueDescriptor* min;
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const EnumValueDescriptor* max;
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static ValueLimits FromEnum(const EnumDescriptor* descriptor);
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};
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const EnumDescriptor* enum_;
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Options options_;
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bool generate_array_size_;
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bool should_cache_;
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bool has_reflection_;
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ValueLimits limits_;
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};
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} // namespace cpp
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_H__
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