File: //usr/local/include/google/protobuf/map_type_handler.h
// 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.
#ifndef GOOGLE_PROTOBUF_TYPE_HANDLER_H__
#define GOOGLE_PROTOBUF_TYPE_HANDLER_H__
#include <google/protobuf/parse_context.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/arena.h>
#include <google/protobuf/wire_format_lite.h>
#ifdef SWIG
#error "You cannot SWIG proto headers"
#endif
namespace google {
namespace protobuf {
namespace internal {
// Used for compile time type selection. MapIf::type will be TrueType if Flag is
// true and FalseType otherwise.
template <bool Flag, typename TrueType, typename FalseType>
struct MapIf;
template <typename TrueType, typename FalseType>
struct MapIf<true, TrueType, FalseType> {
typedef TrueType type;
};
template <typename TrueType, typename FalseType>
struct MapIf<false, TrueType, FalseType> {
typedef FalseType type;
};
template <typename Type, bool is_arena_constructable>
class MapArenaMessageCreator {
public:
// Use arena to create message if Type is arena constructable. Otherwise,
// create the message on heap.
static inline Type* CreateMessage(Arena* arena);
};
template <typename Type>
class MapArenaMessageCreator<Type, true> {
public:
static inline Type* CreateMessage(Arena* arena) {
return Arena::CreateMessage<Type>(arena);
}
};
template <typename Type>
class MapArenaMessageCreator<Type, false> {
public:
static inline Type* CreateMessage(Arena* arena) {
return Arena::Create<Type>(arena);
}
};
// Define constants for given wire field type
template <WireFormatLite::FieldType field_type, typename Type>
class MapWireFieldTypeTraits {};
#define TYPE_TRAITS(FieldType, CType, WireFormatType, IsMessage, IsEnum) \
template <typename Type> \
class MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, Type> { \
public: \
static const bool kIsMessage = IsMessage; \
static const bool kIsEnum = IsEnum; \
typedef typename MapIf<kIsMessage, Type*, CType>::type TypeOnMemory; \
typedef typename MapIf<kIsEnum, int, Type>::type MapEntryAccessorType; \
static const WireFormatLite::WireType kWireType = \
WireFormatLite::WIRETYPE_##WireFormatType; \
};
TYPE_TRAITS(MESSAGE, Type, LENGTH_DELIMITED, true, false)
TYPE_TRAITS(STRING, ArenaStringPtr, LENGTH_DELIMITED, false, false)
TYPE_TRAITS(BYTES, ArenaStringPtr, LENGTH_DELIMITED, false, false)
TYPE_TRAITS(INT64, int64, VARINT, false, false)
TYPE_TRAITS(UINT64, uint64, VARINT, false, false)
TYPE_TRAITS(INT32, int32, VARINT, false, false)
TYPE_TRAITS(UINT32, uint32, VARINT, false, false)
TYPE_TRAITS(SINT64, int64, VARINT, false, false)
TYPE_TRAITS(SINT32, int32, VARINT, false, false)
TYPE_TRAITS(ENUM, int, VARINT, false, true)
TYPE_TRAITS(DOUBLE, double, FIXED64, false, false)
TYPE_TRAITS(FLOAT, float, FIXED32, false, false)
TYPE_TRAITS(FIXED64, uint64, FIXED64, false, false)
TYPE_TRAITS(FIXED32, uint32, FIXED32, false, false)
TYPE_TRAITS(SFIXED64, int64, FIXED64, false, false)
TYPE_TRAITS(SFIXED32, int32, FIXED32, false, false)
TYPE_TRAITS(BOOL, bool, VARINT, false, false)
#undef TYPE_TRAITS
template <WireFormatLite::FieldType field_type, typename Type>
class MapTypeHandler {};
template <typename Type>
class MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type> {
public:
// Enum type cannot be used for MapTypeHandler::Read. Define a type which will
// replace Enum with int.
typedef typename MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE,
Type>::MapEntryAccessorType
MapEntryAccessorType;
// Internal stored type in MapEntryLite for given wire field type.
typedef typename MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE,
Type>::TypeOnMemory TypeOnMemory;
// Corresponding wire type for field type.
static constexpr WireFormatLite::WireType kWireType =
MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kWireType;
// Whether wire type is for message.
static constexpr bool kIsMessage =
MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kIsMessage;
// Whether wire type is for enum.
static constexpr bool kIsEnum =
MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kIsEnum;
// Functions used in parsing and serialization. ===================
static inline size_t ByteSize(const MapEntryAccessorType& value);
static inline int GetCachedSize(const MapEntryAccessorType& value);
static inline bool Read(io::CodedInputStream* input,
MapEntryAccessorType* value);
static inline const char* Read(const char* ptr, ParseContext* ctx,
MapEntryAccessorType* value);
static inline uint8* Write(int field, const MapEntryAccessorType& value,
uint8* ptr, io::EpsCopyOutputStream* stream);
// Functions to manipulate data on memory. ========================
static inline const Type& GetExternalReference(const Type* value);
static inline void DeleteNoArena(const Type* x);
static inline void Merge(const Type& from, Type** to, Arena* arena);
static inline void Clear(Type** value, Arena* arena);
static constexpr TypeOnMemory Constinit();
static inline Type* EnsureMutable(Type** value, Arena* arena);
// SpaceUsedInMapEntry: Return bytes used by value in MapEntry, excluding
// those already calculate in sizeof(MapField).
static inline size_t SpaceUsedInMapEntryLong(const Type* value);
// Return default instance if value is not initialized when calling const
// reference accessor.
static inline const Type& DefaultIfNotInitialized(const Type* value);
// Check if all required fields have values set.
static inline bool IsInitialized(Type* value);
};
#define MAP_HANDLER(FieldType) \
template <typename Type> \
class MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type> { \
public: \
typedef typename MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType \
MapEntryAccessorType; \
typedef typename MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, \
Type>::TypeOnMemory TypeOnMemory; \
static const WireFormatLite::WireType kWireType = \
MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, \
Type>::kWireType; \
static const bool kIsMessage = \
MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, \
Type>::kIsMessage; \
static const bool kIsEnum = \
MapWireFieldTypeTraits<WireFormatLite::TYPE_##FieldType, \
Type>::kIsEnum; \
static inline int ByteSize(const MapEntryAccessorType& value); \
static inline int GetCachedSize(const MapEntryAccessorType& value); \
static inline bool Read(io::CodedInputStream* input, \
MapEntryAccessorType* value); \
static inline const char* Read(const char* begin, ParseContext* ctx, \
MapEntryAccessorType* value); \
static inline uint8* Write(int field, const MapEntryAccessorType& value, \
uint8* ptr, io::EpsCopyOutputStream* stream); \
static inline const MapEntryAccessorType& GetExternalReference( \
const TypeOnMemory& value); \
static inline void DeleteNoArena(const TypeOnMemory& x); \
static inline void Merge(const MapEntryAccessorType& from, \
TypeOnMemory* to, Arena* arena); \
static inline void Clear(TypeOnMemory* value, Arena* arena); \
static inline size_t SpaceUsedInMapEntryLong(const TypeOnMemory& value); \
static inline const MapEntryAccessorType& DefaultIfNotInitialized( \
const TypeOnMemory& value); \
static inline bool IsInitialized(const TypeOnMemory& value); \
static void DeleteNoArena(TypeOnMemory& value); \
static constexpr TypeOnMemory Constinit(); \
static inline MapEntryAccessorType* EnsureMutable(TypeOnMemory* value, \
Arena* arena); \
};
MAP_HANDLER(STRING)
MAP_HANDLER(BYTES)
MAP_HANDLER(INT64)
MAP_HANDLER(UINT64)
MAP_HANDLER(INT32)
MAP_HANDLER(UINT32)
MAP_HANDLER(SINT64)
MAP_HANDLER(SINT32)
MAP_HANDLER(ENUM)
MAP_HANDLER(DOUBLE)
MAP_HANDLER(FLOAT)
MAP_HANDLER(FIXED64)
MAP_HANDLER(FIXED32)
MAP_HANDLER(SFIXED64)
MAP_HANDLER(SFIXED32)
MAP_HANDLER(BOOL)
#undef MAP_HANDLER
template <typename Type>
inline size_t MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::ByteSize(
const MapEntryAccessorType& value) {
return WireFormatLite::MessageSizeNoVirtual(value);
}
#define GOOGLE_PROTOBUF_BYTE_SIZE(FieldType, DeclaredType) \
template <typename Type> \
inline int MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::ByteSize( \
const MapEntryAccessorType& value) { \
return static_cast<int>(WireFormatLite::DeclaredType##Size(value)); \
}
GOOGLE_PROTOBUF_BYTE_SIZE(STRING, String)
GOOGLE_PROTOBUF_BYTE_SIZE(BYTES, Bytes)
GOOGLE_PROTOBUF_BYTE_SIZE(INT64, Int64)
GOOGLE_PROTOBUF_BYTE_SIZE(UINT64, UInt64)
GOOGLE_PROTOBUF_BYTE_SIZE(INT32, Int32)
GOOGLE_PROTOBUF_BYTE_SIZE(UINT32, UInt32)
GOOGLE_PROTOBUF_BYTE_SIZE(SINT64, SInt64)
GOOGLE_PROTOBUF_BYTE_SIZE(SINT32, SInt32)
GOOGLE_PROTOBUF_BYTE_SIZE(ENUM, Enum)
#undef GOOGLE_PROTOBUF_BYTE_SIZE
#define FIXED_BYTE_SIZE(FieldType, DeclaredType) \
template <typename Type> \
inline int MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::ByteSize( \
const MapEntryAccessorType& /* value */) { \
return WireFormatLite::k##DeclaredType##Size; \
}
FIXED_BYTE_SIZE(DOUBLE, Double)
FIXED_BYTE_SIZE(FLOAT, Float)
FIXED_BYTE_SIZE(FIXED64, Fixed64)
FIXED_BYTE_SIZE(FIXED32, Fixed32)
FIXED_BYTE_SIZE(SFIXED64, SFixed64)
FIXED_BYTE_SIZE(SFIXED32, SFixed32)
FIXED_BYTE_SIZE(BOOL, Bool)
#undef FIXED_BYTE_SIZE
template <typename Type>
inline int MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::GetCachedSize(
const MapEntryAccessorType& value) {
return static_cast<int>(WireFormatLite::LengthDelimitedSize(
static_cast<size_t>(value.GetCachedSize())));
}
#define GET_CACHED_SIZE(FieldType, DeclaredType) \
template <typename Type> \
inline int \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::GetCachedSize( \
const MapEntryAccessorType& value) { \
return static_cast<int>(WireFormatLite::DeclaredType##Size(value)); \
}
GET_CACHED_SIZE(STRING, String)
GET_CACHED_SIZE(BYTES, Bytes)
GET_CACHED_SIZE(INT64, Int64)
GET_CACHED_SIZE(UINT64, UInt64)
GET_CACHED_SIZE(INT32, Int32)
GET_CACHED_SIZE(UINT32, UInt32)
GET_CACHED_SIZE(SINT64, SInt64)
GET_CACHED_SIZE(SINT32, SInt32)
GET_CACHED_SIZE(ENUM, Enum)
#undef GET_CACHED_SIZE
#define GET_FIXED_CACHED_SIZE(FieldType, DeclaredType) \
template <typename Type> \
inline int \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::GetCachedSize( \
const MapEntryAccessorType& /* value */) { \
return WireFormatLite::k##DeclaredType##Size; \
}
GET_FIXED_CACHED_SIZE(DOUBLE, Double)
GET_FIXED_CACHED_SIZE(FLOAT, Float)
GET_FIXED_CACHED_SIZE(FIXED64, Fixed64)
GET_FIXED_CACHED_SIZE(FIXED32, Fixed32)
GET_FIXED_CACHED_SIZE(SFIXED64, SFixed64)
GET_FIXED_CACHED_SIZE(SFIXED32, SFixed32)
GET_FIXED_CACHED_SIZE(BOOL, Bool)
#undef GET_FIXED_CACHED_SIZE
template <typename Type>
inline uint8* MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Write(
int field, const MapEntryAccessorType& value, uint8* ptr,
io::EpsCopyOutputStream* stream) {
ptr = stream->EnsureSpace(ptr);
return WireFormatLite::InternalWriteMessage(field, value, ptr, stream);
}
#define WRITE_METHOD(FieldType, DeclaredType) \
template <typename Type> \
inline uint8* MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Write( \
int field, const MapEntryAccessorType& value, uint8* ptr, \
io::EpsCopyOutputStream* stream) { \
ptr = stream->EnsureSpace(ptr); \
return stream->Write##DeclaredType(field, value, ptr); \
}
WRITE_METHOD(STRING, String)
WRITE_METHOD(BYTES, Bytes)
#undef WRITE_METHOD
#define WRITE_METHOD(FieldType, DeclaredType) \
template <typename Type> \
inline uint8* MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Write( \
int field, const MapEntryAccessorType& value, uint8* ptr, \
io::EpsCopyOutputStream* stream) { \
ptr = stream->EnsureSpace(ptr); \
return WireFormatLite::Write##DeclaredType##ToArray(field, value, ptr); \
}
WRITE_METHOD(INT64, Int64)
WRITE_METHOD(UINT64, UInt64)
WRITE_METHOD(INT32, Int32)
WRITE_METHOD(UINT32, UInt32)
WRITE_METHOD(SINT64, SInt64)
WRITE_METHOD(SINT32, SInt32)
WRITE_METHOD(ENUM, Enum)
WRITE_METHOD(DOUBLE, Double)
WRITE_METHOD(FLOAT, Float)
WRITE_METHOD(FIXED64, Fixed64)
WRITE_METHOD(FIXED32, Fixed32)
WRITE_METHOD(SFIXED64, SFixed64)
WRITE_METHOD(SFIXED32, SFixed32)
WRITE_METHOD(BOOL, Bool)
#undef WRITE_METHOD
template <typename Type>
inline bool MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Read(
io::CodedInputStream* input, MapEntryAccessorType* value) {
return WireFormatLite::ReadMessageNoVirtual(input, value);
}
template <typename Type>
inline bool MapTypeHandler<WireFormatLite::TYPE_STRING, Type>::Read(
io::CodedInputStream* input, MapEntryAccessorType* value) {
return WireFormatLite::ReadString(input, value);
}
template <typename Type>
inline bool MapTypeHandler<WireFormatLite::TYPE_BYTES, Type>::Read(
io::CodedInputStream* input, MapEntryAccessorType* value) {
return WireFormatLite::ReadBytes(input, value);
}
template <typename Type>
const char* MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Read(
const char* ptr, ParseContext* ctx, MapEntryAccessorType* value) {
return ctx->ParseMessage(value, ptr);
}
template <typename Type>
const char* MapTypeHandler<WireFormatLite::TYPE_STRING, Type>::Read(
const char* ptr, ParseContext* ctx, MapEntryAccessorType* value) {
int size = ReadSize(&ptr);
GOOGLE_PROTOBUF_PARSER_ASSERT(ptr);
return ctx->ReadString(ptr, size, value);
}
template <typename Type>
const char* MapTypeHandler<WireFormatLite::TYPE_BYTES, Type>::Read(
const char* ptr, ParseContext* ctx, MapEntryAccessorType* value) {
int size = ReadSize(&ptr);
GOOGLE_PROTOBUF_PARSER_ASSERT(ptr);
return ctx->ReadString(ptr, size, value);
}
inline const char* ReadINT64(const char* ptr, int64* value) {
return VarintParse(ptr, reinterpret_cast<uint64*>(value));
}
inline const char* ReadUINT64(const char* ptr, uint64* value) {
return VarintParse(ptr, value);
}
inline const char* ReadINT32(const char* ptr, int32* value) {
return VarintParse(ptr, reinterpret_cast<uint32*>(value));
}
inline const char* ReadUINT32(const char* ptr, uint32* value) {
return VarintParse(ptr, value);
}
inline const char* ReadSINT64(const char* ptr, int64* value) {
*value = ReadVarintZigZag64(&ptr);
return ptr;
}
inline const char* ReadSINT32(const char* ptr, int32* value) {
*value = ReadVarintZigZag32(&ptr);
return ptr;
}
template <typename E>
inline const char* ReadENUM(const char* ptr, E* value) {
*value = static_cast<E>(ReadVarint32(&ptr));
return ptr;
}
inline const char* ReadBOOL(const char* ptr, bool* value) {
*value = static_cast<bool>(ReadVarint32(&ptr));
return ptr;
}
template <typename F>
inline const char* ReadUnaligned(const char* ptr, F* value) {
*value = UnalignedLoad<F>(ptr);
return ptr + sizeof(F);
}
inline const char* ReadFLOAT(const char* ptr, float* value) {
return ReadUnaligned(ptr, value);
}
inline const char* ReadDOUBLE(const char* ptr, double* value) {
return ReadUnaligned(ptr, value);
}
inline const char* ReadFIXED64(const char* ptr, uint64* value) {
return ReadUnaligned(ptr, value);
}
inline const char* ReadFIXED32(const char* ptr, uint32* value) {
return ReadUnaligned(ptr, value);
}
inline const char* ReadSFIXED64(const char* ptr, int64* value) {
return ReadUnaligned(ptr, value);
}
inline const char* ReadSFIXED32(const char* ptr, int32* value) {
return ReadUnaligned(ptr, value);
}
#define READ_METHOD(FieldType) \
template <typename Type> \
inline bool MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Read( \
io::CodedInputStream* input, MapEntryAccessorType* value) { \
return WireFormatLite::ReadPrimitive<TypeOnMemory, \
WireFormatLite::TYPE_##FieldType>( \
input, value); \
} \
template <typename Type> \
const char* MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Read( \
const char* begin, ParseContext* ctx, MapEntryAccessorType* value) { \
(void)ctx; \
return Read##FieldType(begin, value); \
}
READ_METHOD(INT64)
READ_METHOD(UINT64)
READ_METHOD(INT32)
READ_METHOD(UINT32)
READ_METHOD(SINT64)
READ_METHOD(SINT32)
READ_METHOD(ENUM)
READ_METHOD(DOUBLE)
READ_METHOD(FLOAT)
READ_METHOD(FIXED64)
READ_METHOD(FIXED32)
READ_METHOD(SFIXED64)
READ_METHOD(SFIXED32)
READ_METHOD(BOOL)
#undef READ_METHOD
// Definition for message handler
template <typename Type>
inline const Type&
MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::GetExternalReference(
const Type* value) {
return *value;
}
template <typename Type>
inline size_t MapTypeHandler<WireFormatLite::TYPE_MESSAGE,
Type>::SpaceUsedInMapEntryLong(const Type* value) {
return value->SpaceUsedLong();
}
template <typename Type>
inline void MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Clear(
Type** value, Arena* /* arena */) {
if (*value != NULL) (*value)->Clear();
}
template <typename Type>
inline void MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Merge(
const Type& from, Type** to, Arena* /* arena */) {
(*to)->MergeFrom(from);
}
template <typename Type>
void MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::DeleteNoArena(
const Type* ptr) {
delete ptr;
}
template <typename Type>
constexpr auto MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Constinit()
-> TypeOnMemory {
return nullptr;
}
template <typename Type>
inline Type* MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::EnsureMutable(
Type** value, Arena* arena) {
if (*value == NULL) {
*value = MapArenaMessageCreator<
Type,
Arena::is_arena_constructable<Type>::type::value>::CreateMessage(arena);
}
return *value;
}
template <typename Type>
inline const Type&
MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::DefaultIfNotInitialized(
const Type* value) {
return value != NULL ? *value : *Type::internal_default_instance();
}
template <typename Type>
inline bool MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::IsInitialized(
Type* value) {
return value ? value->IsInitialized() : false;
}
// Definition for string/bytes handler
#define STRING_OR_BYTES_HANDLER_FUNCTIONS(FieldType) \
template <typename Type> \
inline const typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType& \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::GetExternalReference(const TypeOnMemory& value) { \
return value.Get(); \
} \
template <typename Type> \
inline size_t \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::SpaceUsedInMapEntryLong(const TypeOnMemory& value) { \
return sizeof(value); \
} \
template <typename Type> \
inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Clear( \
TypeOnMemory* value, Arena* /* arena */) { \
value->ClearToEmpty(); \
} \
template <typename Type> \
inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Merge( \
const MapEntryAccessorType& from, TypeOnMemory* to, Arena* arena) { \
to->Set(&internal::GetEmptyStringAlreadyInited(), from, arena); \
} \
template <typename Type> \
void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::DeleteNoArena( \
TypeOnMemory& value) { \
value.DestroyNoArena(&internal::GetEmptyStringAlreadyInited()); \
} \
template <typename Type> \
constexpr auto \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Constinit() \
->TypeOnMemory { \
return TypeOnMemory(&internal::fixed_address_empty_string); \
} \
template <typename Type> \
inline typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType* \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::EnsureMutable( \
TypeOnMemory* value, Arena* arena) { \
return value->Mutable(ArenaStringPtr::EmptyDefault{}, arena); \
} \
template <typename Type> \
inline const typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType& \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::DefaultIfNotInitialized(const TypeOnMemory& value) { \
return value.Get(); \
} \
template <typename Type> \
inline bool \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::IsInitialized( \
const TypeOnMemory& /* value */) { \
return true; \
}
STRING_OR_BYTES_HANDLER_FUNCTIONS(STRING)
STRING_OR_BYTES_HANDLER_FUNCTIONS(BYTES)
#undef STRING_OR_BYTES_HANDLER_FUNCTIONS
#define PRIMITIVE_HANDLER_FUNCTIONS(FieldType) \
template <typename Type> \
inline const typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType& \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::GetExternalReference(const TypeOnMemory& value) { \
return value; \
} \
template <typename Type> \
inline size_t MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>:: \
SpaceUsedInMapEntryLong(const TypeOnMemory& /* value */) { \
return 0; \
} \
template <typename Type> \
inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Clear( \
TypeOnMemory* value, Arena* /* arena */) { \
*value = 0; \
} \
template <typename Type> \
inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Merge( \
const MapEntryAccessorType& from, TypeOnMemory* to, \
Arena* /* arena */) { \
*to = from; \
} \
template <typename Type> \
inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::DeleteNoArena(TypeOnMemory& /* x */) {} \
template <typename Type> \
constexpr auto \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Constinit() \
->TypeOnMemory { \
return 0; \
} \
template <typename Type> \
inline typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType* \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::EnsureMutable( \
TypeOnMemory* value, Arena* /* arena */) { \
return value; \
} \
template <typename Type> \
inline const typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::MapEntryAccessorType& \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
Type>::DefaultIfNotInitialized(const TypeOnMemory& value) { \
return value; \
} \
template <typename Type> \
inline bool \
MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::IsInitialized( \
const TypeOnMemory& /* value */) { \
return true; \
}
PRIMITIVE_HANDLER_FUNCTIONS(INT64)
PRIMITIVE_HANDLER_FUNCTIONS(UINT64)
PRIMITIVE_HANDLER_FUNCTIONS(INT32)
PRIMITIVE_HANDLER_FUNCTIONS(UINT32)
PRIMITIVE_HANDLER_FUNCTIONS(SINT64)
PRIMITIVE_HANDLER_FUNCTIONS(SINT32)
PRIMITIVE_HANDLER_FUNCTIONS(ENUM)
PRIMITIVE_HANDLER_FUNCTIONS(DOUBLE)
PRIMITIVE_HANDLER_FUNCTIONS(FLOAT)
PRIMITIVE_HANDLER_FUNCTIONS(FIXED64)
PRIMITIVE_HANDLER_FUNCTIONS(FIXED32)
PRIMITIVE_HANDLER_FUNCTIONS(SFIXED64)
PRIMITIVE_HANDLER_FUNCTIONS(SFIXED32)
PRIMITIVE_HANDLER_FUNCTIONS(BOOL)
#undef PRIMITIVE_HANDLER_FUNCTIONS
} // namespace internal
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_TYPE_HANDLER_H__