// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// 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
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// 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_FIELD_H__
#define GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_FIELD_H__

#include <map>
#include <string>
#include <google/protobuf/compiler/cpp/cpp_field.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace cpp {

class EnumFieldGenerator : public FieldGenerator {
 public:
  EnumFieldGenerator(const FieldDescriptor* descriptor, const Options& options);
  ~EnumFieldGenerator();

  // implements FieldGenerator ---------------------------------------
  void GeneratePrivateMembers(io::Printer* printer) const;
  void GenerateAccessorDeclarations(io::Printer* printer) const;
  void GenerateInlineAccessorDefinitions(io::Printer* printer) const;
  void GenerateClearingCode(io::Printer* printer) const;
  void GenerateMergingCode(io::Printer* printer) const;
  void GenerateSwappingCode(io::Printer* printer) const;
  void GenerateConstructorCode(io::Printer* printer) const;
  void GenerateCopyConstructorCode(io::Printer* printer) const;
  void GenerateMergeFromCodedStream(io::Printer* printer) const;
  void GenerateSerializeWithCachedSizes(io::Printer* printer) const;
  void GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const;
  void GenerateByteSize(io::Printer* printer) const;

 protected:
  const FieldDescriptor* descriptor_;
  std::map<string, string> variables_;

 private:
  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumFieldGenerator);
};

class EnumOneofFieldGenerator : public EnumFieldGenerator {
 public:
  EnumOneofFieldGenerator(const FieldDescriptor* descriptor,
                          const Options& options);
  ~EnumOneofFieldGenerator();

  // implements FieldGenerator ---------------------------------------
  void GenerateInlineAccessorDefinitions(io::Printer* printer) const;
  void GenerateClearingCode(io::Printer* printer) const;
  void GenerateSwappingCode(io::Printer* printer) const;
  void GenerateConstructorCode(io::Printer* printer) const;

 private:
  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(EnumOneofFieldGenerator);
};

class RepeatedEnumFieldGenerator : public FieldGenerator {
 public:
  RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor,
                             const Options& options);
  ~RepeatedEnumFieldGenerator();

  // implements FieldGenerator ---------------------------------------
  void GeneratePrivateMembers(io::Printer* printer) const;
  void GenerateAccessorDeclarations(io::Printer* printer) const;
  void GenerateInlineAccessorDefinitions(io::Printer* printer) const;
  void GenerateClearingCode(io::Printer* printer) const;
  void GenerateMergingCode(io::Printer* printer) const;
  void GenerateSwappingCode(io::Printer* printer) const;
  void GenerateConstructorCode(io::Printer* printer) const;
  void GenerateCopyConstructorCode(io::Printer* printer) const {}
  void GenerateMergeFromCodedStream(io::Printer* printer) const;
  void GenerateMergeFromCodedStreamWithPacking(io::Printer* printer) const;
  void GenerateSerializeWithCachedSizes(io::Printer* printer) const;
  void GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const;
  void GenerateByteSize(io::Printer* printer) const;

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

  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedEnumFieldGenerator);
};

}  // namespace cpp
}  // namespace compiler
}  // namespace protobuf

}  // namespace google
#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_ENUM_FIELD_H__