// 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_JAVA_ENUM_FIELD_LITE_H__
#define GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_FIELD_LITE_H__

#include <cstdint>
#include <string>

#include "absl/container/flat_hash_map.h"
#include "google/protobuf/compiler/java/field.h"

namespace google {
namespace protobuf {
namespace compiler {
namespace java {
class Context;            // context.h
class ClassNameResolver;  // name_resolver.h
}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google

namespace google {
namespace protobuf {
namespace compiler {
namespace java {

class ImmutableEnumFieldLiteGenerator : public ImmutableFieldLiteGenerator {
 public:
  explicit ImmutableEnumFieldLiteGenerator(const FieldDescriptor* descriptor,
                                           int messageBitIndex,
                                           Context* context);
  ImmutableEnumFieldLiteGenerator(const ImmutableEnumFieldLiteGenerator&) =
      delete;
  ImmutableEnumFieldLiteGenerator& operator=(
      const ImmutableEnumFieldLiteGenerator&) = delete;
  ~ImmutableEnumFieldLiteGenerator() override;

  // implements ImmutableFieldLiteGenerator
  // ------------------------------------
  int GetNumBitsForMessage() const override;
  void GenerateInterfaceMembers(io::Printer* printer) const override;
  void GenerateMembers(io::Printer* printer) const override;
  void GenerateBuilderMembers(io::Printer* printer) const override;
  void GenerateInitializationCode(io::Printer* printer) const override;
  void GenerateFieldInfo(io::Printer* printer,
                         std::vector<uint16_t>* output) const override;
  void GenerateKotlinDslMembers(io::Printer* printer) const override;

  std::string GetBoxedType() const override;

 protected:
  const FieldDescriptor* descriptor_;
  absl::flat_hash_map<absl::string_view, std::string> variables_;
  const int messageBitIndex_;
  Context* context_;
  ClassNameResolver* name_resolver_;
};

class ImmutableEnumOneofFieldLiteGenerator
    : public ImmutableEnumFieldLiteGenerator {
 public:
  ImmutableEnumOneofFieldLiteGenerator(const FieldDescriptor* descriptor,
                                       int messageBitIndex, Context* context);
  ImmutableEnumOneofFieldLiteGenerator(
      const ImmutableEnumOneofFieldLiteGenerator&) = delete;
  ImmutableEnumOneofFieldLiteGenerator& operator=(
      const ImmutableEnumOneofFieldLiteGenerator&) = delete;
  ~ImmutableEnumOneofFieldLiteGenerator() override;

  void GenerateMembers(io::Printer* printer) const override;
  void GenerateBuilderMembers(io::Printer* printer) const override;
  void GenerateFieldInfo(io::Printer* printer,
                         std::vector<uint16_t>* output) const override;
};

class RepeatedImmutableEnumFieldLiteGenerator
    : public ImmutableFieldLiteGenerator {
 public:
  explicit RepeatedImmutableEnumFieldLiteGenerator(
      const FieldDescriptor* descriptor, int messageBitIndex, Context* context);
  RepeatedImmutableEnumFieldLiteGenerator(
      const RepeatedImmutableEnumFieldLiteGenerator&) = delete;
  RepeatedImmutableEnumFieldLiteGenerator& operator=(
      const RepeatedImmutableEnumFieldLiteGenerator&) = delete;
  ~RepeatedImmutableEnumFieldLiteGenerator() override;

  // implements ImmutableFieldLiteGenerator ------------------------------------
  int GetNumBitsForMessage() const override;
  void GenerateInterfaceMembers(io::Printer* printer) const override;
  void GenerateMembers(io::Printer* printer) const override;
  void GenerateBuilderMembers(io::Printer* printer) const override;
  void GenerateInitializationCode(io::Printer* printer) const override;
  void GenerateFieldInfo(io::Printer* printer,
                         std::vector<uint16_t>* output) const override;
  void GenerateKotlinDslMembers(io::Printer* printer) const override;

  std::string GetBoxedType() const override;

 private:
  const FieldDescriptor* descriptor_;
  absl::flat_hash_map<absl::string_view, std::string> variables_;
  Context* context_;
  ClassNameResolver* name_resolver_;
};

}  // namespace java
}  // namespace compiler
}  // namespace protobuf
}  // namespace google

#endif  // GOOGLE_PROTOBUF_COMPILER_JAVA_ENUM_FIELD_LITE_H__
