// 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

// Generates ObjectiveC code for a given .proto file.

#ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__
#define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__

#include <cstdint>
#include <string>
#include <vector>

#include "google/protobuf/compiler/code_generator.h"
#include "google/protobuf/descriptor.h"
#include "google/protobuf/descriptor.pb.h"

// Must be included last
#include "google/protobuf/port_def.inc"

namespace google {
namespace protobuf {
namespace compiler {
namespace objectivec {

// CodeGenerator implementation which generates a ObjectiveC source file and
// header.  If you create your own protocol compiler binary and you want it to
// support ObjectiveC output, you can do so by registering an instance of this
// CodeGenerator with the CommandLineInterface in your main() function.
class PROTOC_EXPORT ObjectiveCGenerator : public CodeGenerator {
 public:
  ObjectiveCGenerator() = default;
  ~ObjectiveCGenerator() override = default;

  ObjectiveCGenerator(const ObjectiveCGenerator&) = delete;
  ObjectiveCGenerator& operator=(const ObjectiveCGenerator&) = delete;

  // implements CodeGenerator ----------------------------------------
  bool HasGenerateAll() const override;
  bool Generate(const FileDescriptor* file, const std::string& parameter,
                GeneratorContext* context, std::string* error) const override;
  bool GenerateAll(const std::vector<const FileDescriptor*>& files,
                   const std::string& parameter, GeneratorContext* context,
                   std::string* error) const override;

  uint64_t GetSupportedFeatures() const override {
    return (FEATURE_PROTO3_OPTIONAL | FEATURE_SUPPORTS_EDITIONS);
  }
  Edition GetMinimumEdition() const override { return Edition::EDITION_PROTO2; }
  Edition GetMaximumEdition() const override { return Edition::EDITION_2023; }
};

}  // namespace objectivec
}  // namespace compiler
}  // namespace protobuf
}  // namespace google

#include "google/protobuf/port_undef.inc"

#endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_GENERATOR_H__
