src/google/protobuf/compiler/cpp/string_field.h

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

#include <map>
#include <string>

#include <google/protobuf/compiler/cpp/field.h>

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

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

  // implements FieldGenerator ---------------------------------------
  void GeneratePrivateMembers(io::Printer* printer) const override;
  void GenerateStaticMembers(io::Printer* printer) const override;
  void GenerateAccessorDeclarations(io::Printer* printer) const override;
  void GenerateInlineAccessorDefinitions(io::Printer* printer) const override;
  void GenerateNonInlineAccessorDefinitions(
      io::Printer* printer) const override;
  void GenerateClearingCode(io::Printer* printer) const override;
  void GenerateMessageClearingCode(io::Printer* printer) const override;
  void GenerateMergingCode(io::Printer* printer) const override;
  void GenerateSwappingCode(io::Printer* printer) const override;
  void GenerateConstructorCode(io::Printer* printer) const override;
  void GenerateCreateSplitMessageCode(io::Printer* printer) const override;
  void GenerateCopyConstructorCode(io::Printer* printer) const override;
  void GenerateDestructorCode(io::Printer* printer) const override;
  void GenerateArenaDestructorCode(io::Printer* printer) const override;
  void GenerateSerializeWithCachedSizesToArray(
      io::Printer* printer) const override;
  void GenerateByteSize(io::Printer* printer) const override;
  void GenerateConstexprAggregateInitializer(
      io::Printer* printer) const override;
  void GenerateAggregateInitializer(io::Printer* printer) const override;
  void GenerateCopyAggregateInitializer(io::Printer* printer) const override;
  bool IsInlined() const override { return inlined_; }
  ArenaDtorNeeds NeedsArenaDestructor() const override;

 private:
  bool inlined_;
  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringFieldGenerator);
};

class StringOneofFieldGenerator : public StringFieldGenerator {
 public:
  StringOneofFieldGenerator(const FieldDescriptor* descriptor,
                            const Options& options);
  ~StringOneofFieldGenerator() override;

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

  // StringFieldGenerator, from which we inherit, overrides this so we need to
  // override it as well.
  void GenerateMessageClearingCode(io::Printer* printer) const override;
  void GenerateSwappingCode(io::Printer* printer) const override;
  void GenerateConstructorCode(io::Printer* printer) const override;

 private:
  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(StringOneofFieldGenerator);
};

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

  // implements FieldGenerator ---------------------------------------
  void GeneratePrivateMembers(io::Printer* printer) const override;
  void GenerateAccessorDeclarations(io::Printer* printer) const override;
  void GenerateInlineAccessorDefinitions(io::Printer* printer) const override;
  void GenerateClearingCode(io::Printer* printer) const override;
  void GenerateMergingCode(io::Printer* printer) const override;
  void GenerateSwappingCode(io::Printer* printer) const override;
  void GenerateConstructorCode(io::Printer* printer) const override {}
  void GenerateCopyConstructorCode(io::Printer*  /*printer*/) const override {
    GOOGLE_CHECK(!ShouldSplit(descriptor_, options_));
  }
  void GenerateDestructorCode(io::Printer* printer) const override;
  void GenerateSerializeWithCachedSizesToArray(
      io::Printer* printer) const override;
  void GenerateByteSize(io::Printer* printer) const override;

 private:
  GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(RepeatedStringFieldGenerator);
};

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

#endif  // GOOGLE_PROTOBUF_COMPILER_CPP_STRING_FIELD_H__