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// 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__
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