// Protocol Buffers - Google's data interchange format
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#ifndef GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_MESSAGE_FIELD_H__
#define GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_MESSAGE_FIELD_H__

#include <map>
#include <string>
#include <google/protobuf/compiler/objectivec/objectivec_field.h>

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

class MessageFieldGenerator : public ObjCObjFieldGenerator {
  friend FieldGenerator* FieldGenerator::Make(const FieldDescriptor* field);

 protected:
  explicit MessageFieldGenerator(const FieldDescriptor* descriptor);

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

  virtual ~MessageFieldGenerator();

 public:
  virtual void DetermineForwardDeclarations(
      std::set<std::string>* fwd_decls,
      bool include_external_types) const override;
  virtual void DetermineObjectiveCClassDefinitions(
      std::set<std::string>* fwd_decls) const override;
};

class RepeatedMessageFieldGenerator : public RepeatedFieldGenerator {
  friend FieldGenerator* FieldGenerator::Make(const FieldDescriptor* field);

 protected:
  explicit RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor);
  virtual ~RepeatedMessageFieldGenerator();

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

 public:
  virtual void DetermineForwardDeclarations(
      std::set<std::string>* fwd_decls,
      bool include_external_types) const override;
  virtual void DetermineObjectiveCClassDefinitions(
      std::set<std::string>* fwd_decls) const override;
};

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

#endif  // GOOGLE_PROTOBUF_COMPILER_OBJECTIVEC_MESSAGE_FIELD_H__