in extra/protobuf/protobuf-24.4/src/google/protobuf/extension_set.cc [1126:1973]
void ExtensionSet::Swap(const MessageLite* extendee, ExtensionSet* other) {
#ifdef PROTOBUF_FORCE_COPY_IN_SWAP
if (GetArena() != nullptr && GetArena() == other->GetArena()) {
#else // PROTOBUF_FORCE_COPY_IN_SWAP
if (GetArena() == other->GetArena()) {
#endif // !PROTOBUF_FORCE_COPY_IN_SWAP
InternalSwap(other);
} else {
// TODO(cfallin, rohananil): We maybe able to optimize a case where we are
// swapping from heap to arena-allocated extension set, by just Own()'ing
// the extensions.
ExtensionSet extension_set;
extension_set.MergeFrom(extendee, *other);
other->Clear();
other->MergeFrom(extendee, *this);
Clear();
MergeFrom(extendee, extension_set);
}
}
void ExtensionSet::InternalSwap(ExtensionSet* other) {
using std::swap;
swap(arena_, other->arena_);
swap(flat_capacity_, other->flat_capacity_);
swap(flat_size_, other->flat_size_);
swap(map_, other->map_);
}
void ExtensionSet::SwapExtension(const MessageLite* extendee,
ExtensionSet* other, int number) {
if (this == other) return;
if (GetArena() == other->GetArena()) {
UnsafeShallowSwapExtension(other, number);
return;
}
Extension* this_ext = FindOrNull(number);
Extension* other_ext = other->FindOrNull(number);
if (this_ext == other_ext) return;
if (this_ext != nullptr && other_ext != nullptr) {
// TODO(cfallin, rohananil): We could further optimize these cases,
// especially avoid creation of ExtensionSet, and move MergeFrom logic
// into Extensions itself (which takes arena as an argument).
// We do it this way to reuse the copy-across-arenas logic already
// implemented in ExtensionSet's MergeFrom.
ExtensionSet temp;
temp.InternalExtensionMergeFrom(extendee, number, *other_ext,
other->GetArena());
Extension* temp_ext = temp.FindOrNull(number);
other_ext->Clear();
other->InternalExtensionMergeFrom(extendee, number, *this_ext,
this->GetArena());
this_ext->Clear();
InternalExtensionMergeFrom(extendee, number, *temp_ext, temp.GetArena());
} else if (this_ext == nullptr) {
InternalExtensionMergeFrom(extendee, number, *other_ext, other->GetArena());
if (other->GetArena() == nullptr) other_ext->Free();
other->Erase(number);
} else {
other->InternalExtensionMergeFrom(extendee, number, *this_ext,
this->GetArena());
if (GetArena() == nullptr) this_ext->Free();
Erase(number);
}
}
void ExtensionSet::UnsafeShallowSwapExtension(ExtensionSet* other, int number) {
if (this == other) return;
Extension* this_ext = FindOrNull(number);
Extension* other_ext = other->FindOrNull(number);
if (this_ext == other_ext) return;
ABSL_DCHECK_EQ(GetArena(), other->GetArena());
if (this_ext != nullptr && other_ext != nullptr) {
std::swap(*this_ext, *other_ext);
} else if (this_ext == nullptr) {
*Insert(number).first = *other_ext;
other->Erase(number);
} else {
*other->Insert(number).first = *this_ext;
Erase(number);
}
}
bool ExtensionSet::IsInitialized(const MessageLite* extendee) const {
// Extensions are never required. However, we need to check that all
// embedded messages are initialized.
if (PROTOBUF_PREDICT_FALSE(is_large())) {
for (const auto& kv : *map_.large) {
if (!kv.second.IsInitialized(this, extendee, kv.first, arena_)) {
return false;
}
}
return true;
}
for (const KeyValue* it = flat_begin(); it != flat_end(); ++it) {
if (!it->second.IsInitialized(this, extendee, it->first, arena_)) {
return false;
}
}
return true;
}
const char* ExtensionSet::ParseField(uint64_t tag, const char* ptr,
const MessageLite* extendee,
internal::InternalMetadata* metadata,
internal::ParseContext* ctx) {
GeneratedExtensionFinder finder(extendee);
int number = tag >> 3;
bool was_packed_on_wire;
ExtensionInfo extension;
if (!FindExtensionInfoFromFieldNumber(tag & 7, number, &finder, &extension,
&was_packed_on_wire)) {
return UnknownFieldParse(
tag, metadata->mutable_unknown_fields<std::string>(), ptr, ctx);
}
return ParseFieldWithExtensionInfo<std::string>(
number, was_packed_on_wire, extension, metadata, ptr, ctx);
}
const char* ExtensionSet::ParseMessageSetItem(
const char* ptr, const MessageLite* extendee,
internal::InternalMetadata* metadata, internal::ParseContext* ctx) {
return ParseMessageSetItemTmpl<MessageLite, std::string>(ptr, extendee,
metadata, ctx);
}
uint8_t* ExtensionSet::_InternalSerializeImpl(
const MessageLite* extendee, int start_field_number, int end_field_number,
uint8_t* target, io::EpsCopyOutputStream* stream) const {
if (PROTOBUF_PREDICT_FALSE(is_large())) {
const auto& end = map_.large->end();
for (auto it = map_.large->lower_bound(start_field_number);
it != end && it->first < end_field_number; ++it) {
target = it->second.InternalSerializeFieldWithCachedSizesToArray(
extendee, this, it->first, target, stream);
}
return target;
}
const KeyValue* end = flat_end();
for (const KeyValue* it = std::lower_bound(
flat_begin(), end, start_field_number, KeyValue::FirstComparator());
it != end && it->first < end_field_number; ++it) {
target = it->second.InternalSerializeFieldWithCachedSizesToArray(
extendee, this, it->first, target, stream);
}
return target;
}
uint8_t* ExtensionSet::InternalSerializeMessageSetWithCachedSizesToArray(
const MessageLite* extendee, uint8_t* target,
io::EpsCopyOutputStream* stream) const {
const ExtensionSet* extension_set = this;
ForEach([&target, extendee, stream, extension_set](int number,
const Extension& ext) {
target = ext.InternalSerializeMessageSetItemWithCachedSizesToArray(
extendee, extension_set, number, target, stream);
});
return target;
}
size_t ExtensionSet::ByteSize() const {
size_t total_size = 0;
ForEach([&total_size](int number, const Extension& ext) {
total_size += ext.ByteSize(number);
});
return total_size;
}
// Defined in extension_set_heavy.cc.
// int ExtensionSet::SpaceUsedExcludingSelf() const
bool ExtensionSet::MaybeNewExtension(int number,
const FieldDescriptor* descriptor,
Extension** result) {
bool extension_is_new = false;
std::tie(*result, extension_is_new) = Insert(number);
(*result)->descriptor = descriptor;
return extension_is_new;
}
// ===================================================================
// Methods of ExtensionSet::Extension
void ExtensionSet::Extension::Clear() {
if (is_repeated) {
switch (cpp_type(type)) {
#define HANDLE_TYPE(UPPERCASE, LOWERCASE) \
case WireFormatLite::CPPTYPE_##UPPERCASE: \
repeated_##LOWERCASE##_value->Clear(); \
break
HANDLE_TYPE(INT32, int32_t);
HANDLE_TYPE(INT64, int64_t);
HANDLE_TYPE(UINT32, uint32_t);
HANDLE_TYPE(UINT64, uint64_t);
HANDLE_TYPE(FLOAT, float);
HANDLE_TYPE(DOUBLE, double);
HANDLE_TYPE(BOOL, bool);
HANDLE_TYPE(ENUM, enum);
HANDLE_TYPE(STRING, string);
HANDLE_TYPE(MESSAGE, message);
#undef HANDLE_TYPE
}
} else {
if (!is_cleared) {
switch (cpp_type(type)) {
case WireFormatLite::CPPTYPE_STRING:
string_value->clear();
break;
case WireFormatLite::CPPTYPE_MESSAGE:
if (is_lazy) {
lazymessage_value->Clear();
} else {
message_value->Clear();
}
break;
default:
// No need to do anything. Get*() will return the default value
// as long as is_cleared is true and Set*() will overwrite the
// previous value.
break;
}
is_cleared = true;
}
}
}
size_t ExtensionSet::Extension::ByteSize(int number) const {
size_t result = 0;
if (is_repeated) {
if (is_packed) {
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
for (int i = 0; i < repeated_##LOWERCASE##_value->size(); i++) { \
result += WireFormatLite::CAMELCASE##Size( \
repeated_##LOWERCASE##_value->Get(i)); \
} \
break
HANDLE_TYPE(INT32, Int32, int32_t);
HANDLE_TYPE(INT64, Int64, int64_t);
HANDLE_TYPE(UINT32, UInt32, uint32_t);
HANDLE_TYPE(UINT64, UInt64, uint64_t);
HANDLE_TYPE(SINT32, SInt32, int32_t);
HANDLE_TYPE(SINT64, SInt64, int64_t);
HANDLE_TYPE(ENUM, Enum, enum);
#undef HANDLE_TYPE
// Stuff with fixed size.
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
result += WireFormatLite::k##CAMELCASE##Size * \
FromIntSize(repeated_##LOWERCASE##_value->size()); \
break
HANDLE_TYPE(FIXED32, Fixed32, uint32_t);
HANDLE_TYPE(FIXED64, Fixed64, uint64_t);
HANDLE_TYPE(SFIXED32, SFixed32, int32_t);
HANDLE_TYPE(SFIXED64, SFixed64, int64_t);
HANDLE_TYPE(FLOAT, Float, float);
HANDLE_TYPE(DOUBLE, Double, double);
HANDLE_TYPE(BOOL, Bool, bool);
#undef HANDLE_TYPE
case WireFormatLite::TYPE_STRING:
case WireFormatLite::TYPE_BYTES:
case WireFormatLite::TYPE_GROUP:
case WireFormatLite::TYPE_MESSAGE:
ABSL_LOG(FATAL) << "Non-primitive types can't be packed.";
break;
}
cached_size = ToCachedSize(result);
if (result > 0) {
result += io::CodedOutputStream::VarintSize32(result);
result += io::CodedOutputStream::VarintSize32(WireFormatLite::MakeTag(
number, WireFormatLite::WIRETYPE_LENGTH_DELIMITED));
}
} else {
size_t tag_size = WireFormatLite::TagSize(number, real_type(type));
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
result += tag_size * FromIntSize(repeated_##LOWERCASE##_value->size()); \
for (int i = 0; i < repeated_##LOWERCASE##_value->size(); i++) { \
result += WireFormatLite::CAMELCASE##Size( \
repeated_##LOWERCASE##_value->Get(i)); \
} \
break
HANDLE_TYPE(INT32, Int32, int32_t);
HANDLE_TYPE(INT64, Int64, int64_t);
HANDLE_TYPE(UINT32, UInt32, uint32_t);
HANDLE_TYPE(UINT64, UInt64, uint64_t);
HANDLE_TYPE(SINT32, SInt32, int32_t);
HANDLE_TYPE(SINT64, SInt64, int64_t);
HANDLE_TYPE(STRING, String, string);
HANDLE_TYPE(BYTES, Bytes, string);
HANDLE_TYPE(ENUM, Enum, enum);
HANDLE_TYPE(GROUP, Group, message);
HANDLE_TYPE(MESSAGE, Message, message);
#undef HANDLE_TYPE
// Stuff with fixed size.
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
result += (tag_size + WireFormatLite::k##CAMELCASE##Size) * \
FromIntSize(repeated_##LOWERCASE##_value->size()); \
break
HANDLE_TYPE(FIXED32, Fixed32, uint32_t);
HANDLE_TYPE(FIXED64, Fixed64, uint64_t);
HANDLE_TYPE(SFIXED32, SFixed32, int32_t);
HANDLE_TYPE(SFIXED64, SFixed64, int64_t);
HANDLE_TYPE(FLOAT, Float, float);
HANDLE_TYPE(DOUBLE, Double, double);
HANDLE_TYPE(BOOL, Bool, bool);
#undef HANDLE_TYPE
}
}
} else if (!is_cleared) {
result += WireFormatLite::TagSize(number, real_type(type));
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
result += WireFormatLite::CAMELCASE##Size(LOWERCASE); \
break
HANDLE_TYPE(INT32, Int32, int32_t_value);
HANDLE_TYPE(INT64, Int64, int64_t_value);
HANDLE_TYPE(UINT32, UInt32, uint32_t_value);
HANDLE_TYPE(UINT64, UInt64, uint64_t_value);
HANDLE_TYPE(SINT32, SInt32, int32_t_value);
HANDLE_TYPE(SINT64, SInt64, int64_t_value);
HANDLE_TYPE(STRING, String, *string_value);
HANDLE_TYPE(BYTES, Bytes, *string_value);
HANDLE_TYPE(ENUM, Enum, enum_value);
HANDLE_TYPE(GROUP, Group, *message_value);
#undef HANDLE_TYPE
case WireFormatLite::TYPE_MESSAGE: {
if (is_lazy) {
size_t size = lazymessage_value->ByteSizeLong();
result += io::CodedOutputStream::VarintSize32(size) + size;
} else {
result += WireFormatLite::MessageSize(*message_value);
}
break;
}
// Stuff with fixed size.
#define HANDLE_TYPE(UPPERCASE, CAMELCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
result += WireFormatLite::k##CAMELCASE##Size; \
break
HANDLE_TYPE(FIXED32, Fixed32);
HANDLE_TYPE(FIXED64, Fixed64);
HANDLE_TYPE(SFIXED32, SFixed32);
HANDLE_TYPE(SFIXED64, SFixed64);
HANDLE_TYPE(FLOAT, Float);
HANDLE_TYPE(DOUBLE, Double);
HANDLE_TYPE(BOOL, Bool);
#undef HANDLE_TYPE
}
}
return result;
}
int ExtensionSet::Extension::GetSize() const {
ABSL_DCHECK(is_repeated);
switch (cpp_type(type)) {
#define HANDLE_TYPE(UPPERCASE, LOWERCASE) \
case WireFormatLite::CPPTYPE_##UPPERCASE: \
return repeated_##LOWERCASE##_value->size()
HANDLE_TYPE(INT32, int32_t);
HANDLE_TYPE(INT64, int64_t);
HANDLE_TYPE(UINT32, uint32_t);
HANDLE_TYPE(UINT64, uint64_t);
HANDLE_TYPE(FLOAT, float);
HANDLE_TYPE(DOUBLE, double);
HANDLE_TYPE(BOOL, bool);
HANDLE_TYPE(ENUM, enum);
HANDLE_TYPE(STRING, string);
HANDLE_TYPE(MESSAGE, message);
#undef HANDLE_TYPE
}
ABSL_LOG(FATAL) << "Can't get here.";
return 0;
}
// This function deletes all allocated objects. This function should be only
// called if the Extension was created without an arena.
void ExtensionSet::Extension::Free() {
if (is_repeated) {
switch (cpp_type(type)) {
#define HANDLE_TYPE(UPPERCASE, LOWERCASE) \
case WireFormatLite::CPPTYPE_##UPPERCASE: \
delete repeated_##LOWERCASE##_value; \
break
HANDLE_TYPE(INT32, int32_t);
HANDLE_TYPE(INT64, int64_t);
HANDLE_TYPE(UINT32, uint32_t);
HANDLE_TYPE(UINT64, uint64_t);
HANDLE_TYPE(FLOAT, float);
HANDLE_TYPE(DOUBLE, double);
HANDLE_TYPE(BOOL, bool);
HANDLE_TYPE(ENUM, enum);
HANDLE_TYPE(STRING, string);
HANDLE_TYPE(MESSAGE, message);
#undef HANDLE_TYPE
}
} else {
switch (cpp_type(type)) {
case WireFormatLite::CPPTYPE_STRING:
delete string_value;
break;
case WireFormatLite::CPPTYPE_MESSAGE:
if (is_lazy) {
delete lazymessage_value;
} else {
delete message_value;
}
break;
default:
break;
}
}
}
// Defined in extension_set_heavy.cc.
// int ExtensionSet::Extension::SpaceUsedExcludingSelf() const
bool ExtensionSet::Extension::IsInitialized(const ExtensionSet* ext_set,
const MessageLite* extendee,
int number, Arena* arena) const {
if (cpp_type(type) != WireFormatLite::CPPTYPE_MESSAGE) return true;
if (is_repeated) {
for (int i = 0; i < repeated_message_value->size(); i++) {
if (!repeated_message_value->Get(i).IsInitialized()) {
return false;
}
}
return true;
}
if (is_cleared) return true;
if (!is_lazy) return message_value->IsInitialized();
const MessageLite* prototype =
ext_set->GetPrototypeForLazyMessage(extendee, number);
ABSL_DCHECK_NE(prototype, nullptr)
<< "extendee: " << extendee->GetTypeName() << "; number: " << number;
return lazymessage_value->IsInitialized(prototype, arena);
}
// Dummy key method to avoid weak vtable.
void ExtensionSet::LazyMessageExtension::UnusedKeyMethod() {}
const ExtensionSet::Extension* ExtensionSet::FindOrNull(int key) const {
if (flat_size_ == 0) {
return nullptr;
} else if (PROTOBUF_PREDICT_TRUE(!is_large())) {
auto it = std::lower_bound(flat_begin(), flat_end() - 1, key,
KeyValue::FirstComparator());
return it->first == key ? &it->second : nullptr;
} else {
return FindOrNullInLargeMap(key);
}
}
const ExtensionSet::Extension* ExtensionSet::FindOrNullInLargeMap(
int key) const {
assert(is_large());
LargeMap::const_iterator it = map_.large->find(key);
if (it != map_.large->end()) {
return &it->second;
}
return nullptr;
}
ExtensionSet::Extension* ExtensionSet::FindOrNull(int key) {
const auto* const_this = this;
return const_cast<ExtensionSet::Extension*>(const_this->FindOrNull(key));
}
ExtensionSet::Extension* ExtensionSet::FindOrNullInLargeMap(int key) {
const auto* const_this = this;
return const_cast<ExtensionSet::Extension*>(
const_this->FindOrNullInLargeMap(key));
}
std::pair<ExtensionSet::Extension*, bool> ExtensionSet::Insert(int key) {
if (PROTOBUF_PREDICT_FALSE(is_large())) {
auto maybe = map_.large->insert({key, Extension()});
return {&maybe.first->second, maybe.second};
}
KeyValue* end = flat_end();
KeyValue* it =
std::lower_bound(flat_begin(), end, key, KeyValue::FirstComparator());
if (it != end && it->first == key) {
return {&it->second, false};
}
if (flat_size_ < flat_capacity_) {
std::copy_backward(it, end, end + 1);
++flat_size_;
it->first = key;
it->second = Extension();
return {&it->second, true};
}
GrowCapacity(flat_size_ + 1);
return Insert(key);
}
void ExtensionSet::GrowCapacity(size_t minimum_new_capacity) {
if (PROTOBUF_PREDICT_FALSE(is_large())) {
return; // LargeMap does not have a "reserve" method.
}
if (flat_capacity_ >= minimum_new_capacity) {
return;
}
auto new_flat_capacity = flat_capacity_;
do {
new_flat_capacity = new_flat_capacity == 0 ? 1 : new_flat_capacity * 4;
} while (new_flat_capacity < minimum_new_capacity);
const KeyValue* begin = flat_begin();
const KeyValue* end = flat_end();
AllocatedData new_map;
if (new_flat_capacity > kMaximumFlatCapacity) {
new_map.large = Arena::Create<LargeMap>(arena_);
LargeMap::iterator hint = new_map.large->begin();
for (const KeyValue* it = begin; it != end; ++it) {
hint = new_map.large->insert(hint, {it->first, it->second});
}
flat_size_ = static_cast<uint16_t>(-1);
ABSL_DCHECK(is_large());
} else {
new_map.flat = Arena::CreateArray<KeyValue>(arena_, new_flat_capacity);
std::copy(begin, end, new_map.flat);
}
if (arena_ == nullptr) {
DeleteFlatMap(begin, flat_capacity_);
}
flat_capacity_ = new_flat_capacity;
map_ = new_map;
}
#if (__cplusplus < 201703) && \
(!defined(_MSC_VER) || (_MSC_VER >= 1900 && _MSC_VER < 1912))
// static
constexpr uint16_t ExtensionSet::kMaximumFlatCapacity;
#endif // (__cplusplus < 201703) && (!defined(_MSC_VER) || (_MSC_VER >= 1900
// && _MSC_VER < 1912))
void ExtensionSet::Erase(int key) {
if (PROTOBUF_PREDICT_FALSE(is_large())) {
map_.large->erase(key);
return;
}
KeyValue* end = flat_end();
KeyValue* it =
std::lower_bound(flat_begin(), end, key, KeyValue::FirstComparator());
if (it != end && it->first == key) {
std::copy(it + 1, end, it);
--flat_size_;
}
}
// ==================================================================
// Default repeated field instances for iterator-compatible accessors
const RepeatedPrimitiveDefaults* RepeatedPrimitiveDefaults::default_instance() {
static auto instance = OnShutdownDelete(new RepeatedPrimitiveDefaults);
return instance;
}
const RepeatedStringTypeTraits::RepeatedFieldType*
RepeatedStringTypeTraits::GetDefaultRepeatedField() {
static auto instance = OnShutdownDelete(new RepeatedFieldType);
return instance;
}
uint8_t* ExtensionSet::Extension::InternalSerializeFieldWithCachedSizesToArray(
const MessageLite* extendee, const ExtensionSet* extension_set, int number,
uint8_t* target, io::EpsCopyOutputStream* stream) const {
if (is_repeated) {
if (is_packed) {
if (cached_size == 0) return target;
target = stream->EnsureSpace(target);
target = WireFormatLite::WriteTagToArray(
number, WireFormatLite::WIRETYPE_LENGTH_DELIMITED, target);
target = WireFormatLite::WriteInt32NoTagToArray(cached_size, target);
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
for (int i = 0; i < repeated_##LOWERCASE##_value->size(); i++) { \
target = stream->EnsureSpace(target); \
target = WireFormatLite::Write##CAMELCASE##NoTagToArray( \
repeated_##LOWERCASE##_value->Get(i), target); \
} \
break
HANDLE_TYPE(INT32, Int32, int32_t);
HANDLE_TYPE(INT64, Int64, int64_t);
HANDLE_TYPE(UINT32, UInt32, uint32_t);
HANDLE_TYPE(UINT64, UInt64, uint64_t);
HANDLE_TYPE(SINT32, SInt32, int32_t);
HANDLE_TYPE(SINT64, SInt64, int64_t);
HANDLE_TYPE(FIXED32, Fixed32, uint32_t);
HANDLE_TYPE(FIXED64, Fixed64, uint64_t);
HANDLE_TYPE(SFIXED32, SFixed32, int32_t);
HANDLE_TYPE(SFIXED64, SFixed64, int64_t);
HANDLE_TYPE(FLOAT, Float, float);
HANDLE_TYPE(DOUBLE, Double, double);
HANDLE_TYPE(BOOL, Bool, bool);
HANDLE_TYPE(ENUM, Enum, enum);
#undef HANDLE_TYPE
case WireFormatLite::TYPE_STRING:
case WireFormatLite::TYPE_BYTES:
case WireFormatLite::TYPE_GROUP:
case WireFormatLite::TYPE_MESSAGE:
ABSL_LOG(FATAL) << "Non-primitive types can't be packed.";
break;
}
} else {
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
for (int i = 0; i < repeated_##LOWERCASE##_value->size(); i++) { \
target = stream->EnsureSpace(target); \
target = WireFormatLite::Write##CAMELCASE##ToArray( \
number, repeated_##LOWERCASE##_value->Get(i), target); \
} \
break
HANDLE_TYPE(INT32, Int32, int32_t);
HANDLE_TYPE(INT64, Int64, int64_t);
HANDLE_TYPE(UINT32, UInt32, uint32_t);
HANDLE_TYPE(UINT64, UInt64, uint64_t);
HANDLE_TYPE(SINT32, SInt32, int32_t);
HANDLE_TYPE(SINT64, SInt64, int64_t);
HANDLE_TYPE(FIXED32, Fixed32, uint32_t);
HANDLE_TYPE(FIXED64, Fixed64, uint64_t);
HANDLE_TYPE(SFIXED32, SFixed32, int32_t);
HANDLE_TYPE(SFIXED64, SFixed64, int64_t);
HANDLE_TYPE(FLOAT, Float, float);
HANDLE_TYPE(DOUBLE, Double, double);
HANDLE_TYPE(BOOL, Bool, bool);
HANDLE_TYPE(ENUM, Enum, enum);
#undef HANDLE_TYPE
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, LOWERCASE) \
case WireFormatLite::TYPE_##UPPERCASE: \
for (int i = 0; i < repeated_##LOWERCASE##_value->size(); i++) { \
target = stream->EnsureSpace(target); \
target = stream->WriteString( \
number, repeated_##LOWERCASE##_value->Get(i), target); \
} \
break
HANDLE_TYPE(STRING, String, string);
HANDLE_TYPE(BYTES, Bytes, string);
#undef HANDLE_TYPE
case WireFormatLite::TYPE_GROUP:
for (int i = 0; i < repeated_message_value->size(); i++) {
target = stream->EnsureSpace(target);
target = WireFormatLite::InternalWriteGroup(
number, repeated_message_value->Get(i), target, stream);
}
break;
case WireFormatLite::TYPE_MESSAGE:
for (int i = 0; i < repeated_message_value->size(); i++) {
auto& msg = repeated_message_value->Get(i);
target = WireFormatLite::InternalWriteMessage(
number, msg, msg.GetCachedSize(), target, stream);
}
break;
}
}
} else if (!is_cleared) {
switch (real_type(type)) {
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, VALUE) \
case WireFormatLite::TYPE_##UPPERCASE: \
target = stream->EnsureSpace(target); \
target = WireFormatLite::Write##CAMELCASE##ToArray(number, VALUE, target); \
break
HANDLE_TYPE(INT32, Int32, int32_t_value);
HANDLE_TYPE(INT64, Int64, int64_t_value);
HANDLE_TYPE(UINT32, UInt32, uint32_t_value);
HANDLE_TYPE(UINT64, UInt64, uint64_t_value);
HANDLE_TYPE(SINT32, SInt32, int32_t_value);
HANDLE_TYPE(SINT64, SInt64, int64_t_value);
HANDLE_TYPE(FIXED32, Fixed32, uint32_t_value);
HANDLE_TYPE(FIXED64, Fixed64, uint64_t_value);
HANDLE_TYPE(SFIXED32, SFixed32, int32_t_value);
HANDLE_TYPE(SFIXED64, SFixed64, int64_t_value);
HANDLE_TYPE(FLOAT, Float, float_value);
HANDLE_TYPE(DOUBLE, Double, double_value);
HANDLE_TYPE(BOOL, Bool, bool_value);
HANDLE_TYPE(ENUM, Enum, enum_value);
#undef HANDLE_TYPE
#define HANDLE_TYPE(UPPERCASE, CAMELCASE, VALUE) \
case WireFormatLite::TYPE_##UPPERCASE: \
target = stream->EnsureSpace(target); \
target = stream->WriteString(number, VALUE, target); \
break
HANDLE_TYPE(STRING, String, *string_value);
HANDLE_TYPE(BYTES, Bytes, *string_value);
#undef HANDLE_TYPE
case WireFormatLite::TYPE_GROUP:
target = stream->EnsureSpace(target);
target = WireFormatLite::InternalWriteGroup(number, *message_value,
target, stream);
break;
case WireFormatLite::TYPE_MESSAGE:
if (is_lazy) {
const auto* prototype =
extension_set->GetPrototypeForLazyMessage(extendee, number);
target = lazymessage_value->WriteMessageToArray(prototype, number,
target, stream);
} else {
target = WireFormatLite::InternalWriteMessage(
number, *message_value, message_value->GetCachedSize(), target,
stream);
}
break;
}
}
return target;
}
const MessageLite* ExtensionSet::GetPrototypeForLazyMessage(
const MessageLite* extendee, int number) const {
GeneratedExtensionFinder finder(extendee);
bool was_packed_on_wire = false;
ExtensionInfo extension_info;
if (!FindExtensionInfoFromFieldNumber(
WireFormatLite::WireType::WIRETYPE_LENGTH_DELIMITED, number, &finder,
&extension_info, &was_packed_on_wire)) {
return nullptr;
}
return extension_info.message_info.prototype;
}
uint8_t*
ExtensionSet::Extension::InternalSerializeMessageSetItemWithCachedSizesToArray(
const MessageLite* extendee, const ExtensionSet* extension_set, int number,
uint8_t* target, io::EpsCopyOutputStream* stream) const {
if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
// Not a valid MessageSet extension, but serialize it the normal way.
ABSL_LOG(WARNING) << "Invalid message set extension.";
return InternalSerializeFieldWithCachedSizesToArray(extendee, extension_set,
number, target, stream);
}
if (is_cleared) return target;
target = stream->EnsureSpace(target);
// Start group.
target = io::CodedOutputStream::WriteTagToArray(
WireFormatLite::kMessageSetItemStartTag, target);
// Write type ID.
target = WireFormatLite::WriteUInt32ToArray(
WireFormatLite::kMessageSetTypeIdNumber, number, target);
// Write message.
if (is_lazy) {
const auto* prototype =
extension_set->GetPrototypeForLazyMessage(extendee, number);
target = lazymessage_value->WriteMessageToArray(
prototype, WireFormatLite::kMessageSetMessageNumber, target, stream);
} else {
target = WireFormatLite::InternalWriteMessage(
WireFormatLite::kMessageSetMessageNumber, *message_value,
message_value->GetCachedSize(), target, stream);
}
// End group.
target = stream->EnsureSpace(target);
target = io::CodedOutputStream::WriteTagToArray(
WireFormatLite::kMessageSetItemEndTag, target);
return target;
}
size_t ExtensionSet::Extension::MessageSetItemByteSize(int number) const {
if (type != WireFormatLite::TYPE_MESSAGE || is_repeated) {
// Not a valid MessageSet extension, but compute the byte size for it the
// normal way.
return ByteSize(number);
}
if (is_cleared) return 0;
size_t our_size = WireFormatLite::kMessageSetItemTagsSize;
// type_id
our_size += io::CodedOutputStream::VarintSize32(number);
// message
size_t message_size = 0;
if (is_lazy) {
message_size = lazymessage_value->ByteSizeLong();
} else {
message_size = message_value->ByteSizeLong();
}
our_size += io::CodedOutputStream::VarintSize32(message_size);
our_size += message_size;
return our_size;
}
size_t ExtensionSet::MessageSetByteSize() const {
size_t total_size = 0;
ForEach([&total_size](int number, const Extension& ext) {
total_size += ext.MessageSetItemByteSize(number);
});
return total_size;
}
LazyEagerVerifyFnType FindExtensionLazyEagerVerifyFn(
const MessageLite* extendee, int number) {
const ExtensionInfo* registered = FindRegisteredExtension(extendee, number);
if (registered != nullptr) {
return registered->lazy_eager_verify_func;
}
return nullptr;
}
} // namespace internal