tools/fidl/fidlgen_llcpp/goldens/versions_natural_types.h.golden

// WARNING: This file is machine generated by fidlgen.

#pragma once

#include <fidl/test.versions/cpp/common_types.h>
#include <fidl/test.versions/cpp/markers.h>
#include <lib/fidl/cpp/natural_coding_traits.h>
#include <lib/fidl/cpp/natural_types.h>

#include <cinttypes>
#include <string>

#ifdef __Fuchsia__

#include <lib/zx/channel.h>

#endif  // __Fuchsia__

namespace test_versions {
class Struct;

class Table;

class Union;

extern "C" const fidl_type_t test_versions_UnionTable;

class Union {
 private:
  using Storage_ = std::variant<std::monostate, uint32_t>;

 public:
  // TODO: share union tag types between wire & natural.
  enum class Tag : fidl_union_tag_t {
    kX = 1,  // 0x1
    kUnknown = ::std::numeric_limits<::fidl_union_tag_t>::max(),
  };
  // Create an unknown value of this union.
  Union() : storage_(std::make_shared<Storage_>()) {}

  Union(Union&& other) noexcept
      : Union(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag{}) {
    *storage_ = std::move(*other.storage_);
  }
  Union& operator=(Union&& other) noexcept {
    if (this != &other) {
      *storage_ = std::move(*other.storage_);
    }
    return *this;
  }
  Union(const Union& other) noexcept : Union(other.CloneStorage_()) {}
  Union& operator=(const Union& other) noexcept {
    if (this != &other) {
      storage_ = other.CloneStorage_();
    }
    return *this;
  }

  bool operator==(const Union& other) const noexcept {
    return *storage_ == *other.storage_;
  }
  bool operator!=(const Union& other) const noexcept {
    return *storage_ != *other.storage_;
  }

  constexpr ::test_versions::Union::Tag Which() const {
    return Union::IndexToTag(storage_->index()).value();
  }
  static Union WithX(uint32_t val) {
    return Union(
        std::make_shared<Storage_>(std::in_place_index_t<1>{}, std::move(val)));
  }

  const ::fidl::internal::UnionMemberView<1, Storage_> x() const {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }
  ::fidl::internal::UnionMemberView<1, Storage_> x() {
    return ::fidl::internal::UnionMemberView<1, Storage_>(storage_);
  }

  Union(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : storage_(std::make_shared<Storage_>()) {}

 private:
  std::shared_ptr<Storage_> storage_;
  std::shared_ptr<Storage_> CloneStorage_() const;
  friend struct ::fidl::internal::NaturalUnionCodingTraits<
      ::test_versions::Union>;
  static constexpr auto kMembers =
      std::make_tuple(::fidl::internal::NaturalUnionMember<
                          ::fidl::internal::NaturalCodingConstraintEmpty>(),
                      ::fidl::internal::NaturalUnionMember<
                          fidl::internal::NaturalCodingConstraintEmpty>());

  explicit Union(std::shared_ptr<Storage_> storage)
      : storage_(std::move(storage)) {}

  static constexpr size_t TagToIndex(::fidl::internal::NaturalDecoder* decoder,
                                     ::test_versions::Union::Tag tag) {
    switch (tag) {
      case ::test_versions::Union::Tag::kX:
        return 1;
      case ::test_versions::Union::Tag::kUnknown:
        return 0;
      default: {
        decoder->SetError(::fidl::internal::kCodingErrorUnknownUnionTag);
        return 0;
      }
    }
  }

  static constexpr std::optional<::test_versions::Union::Tag> IndexToTag(
      size_t index) {
    switch (index) {
      case 1:
        return ::test_versions::Union::Tag::kX;
      default:
        return ::test_versions::Union::Tag::kUnknown;
    }
  }
};

extern "C" const fidl_type_t test_versions_TableTable;

class Table {
 private:
  struct Storage_;

 public:
  Table(Storage_ storage) noexcept : storage_(std::move(storage)) {}
  Table() noexcept = default;
  Table(Table&&) noexcept = default;
  Table& operator=(Table&&) noexcept = default;
  Table(const Table& other) noexcept : Table(other.CloneStorage_()) {}
  Table& operator=(const Table& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }
  bool operator==(const Table& other) const noexcept {
    return ::fidl::internal::NaturalTableCodingTraits<
        ::test_versions::Table>::Equal(this, &other);
  }
  bool operator!=(const Table& other) const noexcept {
    return !::fidl::internal::NaturalTableCodingTraits<
        ::test_versions::Table>::Equal(this, &other);
  }

  bool IsEmpty() const { return !(storage_.x.has_value()); }

  const std::optional<uint32_t>& x() const { return storage_.x; }
  ::std::optional<uint32_t>& x() { return storage_.x; }

  Table(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : Table(Storage_{}) {}

 private:
  struct Storage_ final {
    ::std::optional<uint32_t> x{};
  };

  // TODO(https://fxbug.dev/91252): Box the storage.
  Storage_ storage_;
  Storage_ CloneStorage_() const;
  friend struct ::fidl::internal::NaturalTableCodingTraits<
      ::test_versions::Table>;
  friend struct ::fidl::internal::MemberVisitor<::test_versions::Table>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalTableMember<
          Storage_, uint32_t, fidl::internal::NaturalCodingConstraintEmpty>{
          1, &Storage_::x});
};

extern "C" const fidl_type_t test_versions_StructTable;

class Struct {
 private:
  struct Storage_;

 public:
  Struct(Storage_ storage) noexcept : storage_(std::move(storage)) {}
  Struct(uint32_t x) noexcept : storage_({.x = std::move(x)}) {}

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdefaulted-function-deleted"
  // Default constructs a |Struct| only if all of its members are default
  // constructible.
  Struct() = default;
#pragma clang diagnostic pop

  Struct(Struct&&) noexcept = default;
  Struct& operator=(Struct&&) noexcept = default;
  Struct(const Struct& other) noexcept : Struct(other.CloneStorage_()) {}
  Struct& operator=(const Struct& other) noexcept {
    storage_ = other.CloneStorage_();
    return *this;
  }

  bool operator==(const Struct& other) const noexcept {
    return ::fidl::internal::NaturalStructCodingTraits<::test_versions::Struct,
                                                       4>::Equal(this, &other);
  }
  bool operator!=(const Struct& other) const noexcept {
    return !::fidl::internal::NaturalStructCodingTraits<::test_versions::Struct,
                                                        4>::Equal(this, &other);
  }

  uint32_t x() const { return storage_.x; }

  uint32_t& x() { return storage_.x; }

  Struct(::fidl::internal::DefaultConstructPossiblyInvalidObjectTag)
      : Struct(Storage_{
            .x = {},
        }) {}

 private:
  struct Storage_ final {
    uint32_t x = {};
  };

  Storage_ storage_;
  Storage_ CloneStorage_() const;

  friend struct ::fidl::internal::NaturalStructCodingTraits<
      ::test_versions::Struct, 4>;
  friend struct ::fidl::internal::MemberVisitor<::test_versions::Struct>;
  static constexpr auto kMembers = std::make_tuple(
      ::fidl::internal::NaturalStructMember<
          Storage_, uint32_t, fidl::internal::NaturalCodingConstraintEmpty>{
          &Storage_::x, 0});
  static constexpr auto kPadding = std::make_tuple();
};

constexpr uint32_t kConst = 0u;

constexpr bool kAddedAtHead = true;

}  // namespace test_versions
namespace fidl {

extern "C" const fidl_type_t test_versions_StructTable;

template <>
struct IsFidlType<::test_versions::Struct> : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<::test_versions::Struct> final {
 public:
  static constexpr const fidl_type_t* kCodingTable = &test_versions_StructTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_versions::Struct, ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalStructCodingTraits<
                ::test_versions::Struct, 4> {};

extern "C" const fidl_type_t test_versions_TableTable;

template <>
struct IsFidlType<::test_versions::Table> : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<::test_versions::Table> final {
 public:
  static constexpr const fidl_type_t* kCodingTable = &test_versions_TableTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_versions::Table, ::fidl::internal::NaturalCodingConstraintEmpty>
    : public ::fidl::internal::NaturalTableCodingTraits<
          ::test_versions::Table> {};

extern "C" const fidl_type_t test_versions_UnionTable;

template <>
struct IsFidlType<::test_versions::Union> : public std::true_type {};
template <>
struct IsUnion<::test_versions::Union> : public std::true_type {};

template <>
struct ::fidl::internal::TypeTraits<::test_versions::Union> final {
 public:
  static constexpr const fidl_type_t* kCodingTable = &test_versions_UnionTable;
};

template <>
struct internal::NaturalCodingTraits<
    ::test_versions::Union, ::fidl::internal::NaturalCodingConstraintEmpty>
    final : public ::fidl::internal::NaturalUnionCodingTraits<
                ::test_versions::Union> {};

template <>
struct internal::NaturalCodingTraits<
    ::test_versions::Bits, ::fidl::internal::NaturalCodingConstraintEmpty> {
  static constexpr size_t inline_size_v2 = sizeof(uint32_t);
  static constexpr bool is_memcpy_compatible = true;

  static void Encode(internal::NaturalEncoder* encoder,
                     ::test_versions::Bits* value, size_t offset,
                     size_t recursion_depth) {
    *encoder->template GetPtr<::test_versions::Bits>(offset) = *value;
  }
  static void Decode(internal::NaturalDecoder* decoder,
                     ::test_versions::Bits* value, size_t offset,
                     size_t recursion_depth) {
    *value = *decoder->template GetPtr<::test_versions::Bits>(offset);
  }
};

template <>
struct internal::NaturalCodingTraits<
    ::test_versions::Enum, ::fidl::internal::NaturalCodingConstraintEmpty> {
  static constexpr size_t inline_size_v2 = sizeof(uint32_t);
  static constexpr bool is_memcpy_compatible = true;

  static void Encode(internal::NaturalEncoder* encoder,
                     ::test_versions::Enum* value, size_t offset,
                     size_t recursion_depth) {
    *encoder->template GetPtr<::test_versions::Enum>(offset) = *value;
  }
  static void Decode(internal::NaturalDecoder* decoder,
                     ::test_versions::Enum* value, size_t offset,
                     size_t recursion_depth) {
    *value = *decoder->template GetPtr<::test_versions::Enum>(offset);
  }
};

}  // namespace fidl