// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
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#ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__
#define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__

#include <string>
#include <set>
#include <vector>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/io/printer.h>

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

class OneofGenerator {
 public:
  explicit OneofGenerator(const OneofDescriptor* descriptor);
  ~OneofGenerator();

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

  void SetOneofIndexBase(int index_base);

  void GenerateCaseEnum(io::Printer* printer);

  void GeneratePublicCasePropertyDeclaration(io::Printer* printer);
  void GenerateClearFunctionDeclaration(io::Printer* printer);

  void GeneratePropertyImplementation(io::Printer* printer);
  void GenerateClearFunctionImplementation(io::Printer* printer);

  std::string DescriptorName(void) const;
  std::string HasIndexAsString(void) const;

 private:
  const OneofDescriptor* descriptor_;
  std::map<std::string, std::string> variables_;
};

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

#endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_ONEOF_H__