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Unified Diff: third_party/protobuf/src/google/protobuf/map_type_handler.h

Issue 1842653006: Update //third_party/protobuf to version 3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge Created 4 years, 8 months ago
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Index: third_party/protobuf/src/google/protobuf/map_type_handler.h
diff --git a/third_party/protobuf/src/google/protobuf/map_type_handler.h b/third_party/protobuf/src/google/protobuf/map_type_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..f8ad7584a4eb2a5406f6d19ddee0d5dfe5c1f636
--- /dev/null
+++ b/third_party/protobuf/src/google/protobuf/map_type_handler.h
@@ -0,0 +1,727 @@
+// 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/arena.h>
+#include <google/protobuf/generated_message_util.h>
+#include <google/protobuf/wire_format_lite_inl.h>
+
+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;
+};
+
+// In proto2 Map, enum needs to be initialized to given default value, while
+// other types' default value can be inferred from the type.
+template <bool IsEnum, typename Type>
+class MapValueInitializer {
+ public:
+ static inline void Initialize(Type& type, int default_enum_value);
+};
+
+template <typename Type>
+class MapValueInitializer<true, Type> {
+ public:
+ static inline void Initialize(Type& value, int default_enum_value) {
+ value = static_cast<Type>(default_enum_value);
+ }
+};
+
+template <typename Type>
+class MapValueInitializer<false, Type> {
+ public:
+ static inline void Initialize(Type& value, int default_enum_value) {}
+};
+
+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 const WireFormatLite::WireType kWireType =
+ MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kWireType;
+ // Whether wire type is for message.
+ static const bool kIsMessage =
+ MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kIsMessage;
+ // Whether wire type is for enum.
+ static const bool kIsEnum =
+ MapWireFieldTypeTraits<WireFormatLite::TYPE_MESSAGE, Type>::kIsEnum;
+
+ // Functions used in parsing and serialization. ===================
+ 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 void Write(int field, const MapEntryAccessorType& value,
+ io::CodedOutputStream* output);
+ static inline uint8* WriteToArray(int field,
+ const MapEntryAccessorType& value,
+ uint8* output);
+
+ // 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 inline void ClearMaybeByDefaultEnum(Type** value, Arena* arena,
+ int default_enum_value);
+ static inline void Initialize(Type** x, Arena* arena);
+
+ static inline void InitializeMaybeByDefaultEnum(Type** x,
+ int default_enum_value,
+ Arena* arena);
+ 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 int SpaceUsedInMapEntry(const Type* value);
+ // Return bytes used by value in Map.
+ static inline int SpaceUsedInMap(const Type& value);
+ // Assign default value to given instance.
+ static inline void AssignDefaultValue(Type** value);
+ // Return default instance if value is not initialized when calling const
+ // reference accessor.
+ static inline const Type& DefaultIfNotInitialized(
+ const Type* value, const Type* default_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 void Write(int field, const MapEntryAccessorType& value, \
+ io::CodedOutputStream* output); \
+ static inline uint8* WriteToArray(int field, \
+ const MapEntryAccessorType& value, \
+ uint8* output); \
+ 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 void ClearMaybeByDefaultEnum(TypeOnMemory* value, \
+ Arena* arena, \
+ int default_enum); \
+ static inline int SpaceUsedInMapEntry(const TypeOnMemory& value); \
+ static inline int SpaceUsedInMap(const TypeOnMemory& value); \
+ static inline int SpaceUsedInMap(const string& value); \
+ static inline void AssignDefaultValue(TypeOnMemory* value); \
+ static inline const MapEntryAccessorType& DefaultIfNotInitialized( \
+ const TypeOnMemory& value, const TypeOnMemory& default_value); \
+ static inline bool IsInitialized(const TypeOnMemory& value); \
+ static void DeleteNoArena(TypeOnMemory& value); \
+ static inline void Initialize(TypeOnMemory* value, Arena* arena); \
+ static inline void InitializeMaybeByDefaultEnum(TypeOnMemory* value, \
+ int default_enum_value, \
+ Arena* arena); \
+ 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 int
+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 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 WireFormatLite::LengthDelimitedSize(value.GetCachedSize());
+}
+
+#define GET_CACHED_SIZE(FieldType, DeclaredType) \
+ template <typename Type> \
+ inline int \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::GetCachedSize( \
+ const MapEntryAccessorType& value) { \
+ return 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 void MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::Write(
+ int field, const MapEntryAccessorType& value,
+ io::CodedOutputStream* output) {
+ WireFormatLite::WriteMessageMaybeToArray(field, value, output);
+}
+
+template <typename Type>
+inline uint8*
+MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::WriteToArray(
+ int field, const MapEntryAccessorType& value, uint8* output) {
+ return WireFormatLite::WriteMessageToArray(field, value, output);
+}
+
+#define WRITE_METHOD(FieldType, DeclaredType) \
+ template <typename Type> \
+ inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Write( \
+ int field, const MapEntryAccessorType& value, \
+ io::CodedOutputStream* output) { \
+ return WireFormatLite::Write##DeclaredType(field, value, output); \
+ } \
+ template <typename Type> \
+ inline uint8* \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::WriteToArray( \
+ int field, const MapEntryAccessorType& value, uint8* output) { \
+ return WireFormatLite::Write##DeclaredType##ToArray(field, value, output); \
+ }
+
+WRITE_METHOD(STRING , String)
+WRITE_METHOD(BYTES , Bytes)
+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);
+}
+
+#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); \
+ }
+
+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 int
+MapTypeHandler<WireFormatLite::TYPE_MESSAGE,
+ Type>::SpaceUsedInMapEntry(const Type* value) {
+ return value->SpaceUsed();
+}
+
+template <typename Type>
+int MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::SpaceUsedInMap(
+ const Type& value) {
+ return value.SpaceUsed();
+}
+
+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>::ClearMaybeByDefaultEnum(Type** value,
+ Arena* arena,
+ int default_enum_value) {
+ 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>
+inline void MapTypeHandler<WireFormatLite::TYPE_MESSAGE,
+ Type>::AssignDefaultValue(Type** value) {
+ *value = const_cast<Type*>(&Type::default_instance());
+}
+
+template <typename Type>
+inline void MapTypeHandler<WireFormatLite::TYPE_MESSAGE,
+ Type>::Initialize(Type** x,
+ Arena* arena) {
+ *x = NULL;
+}
+
+template <typename Type>
+inline void MapTypeHandler<WireFormatLite::TYPE_MESSAGE, Type>::
+ InitializeMaybeByDefaultEnum(Type** x, int default_enum_value,
+ Arena* arena) {
+ *x = NULL;
+}
+
+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, const Type* default_value) {
+ return value != NULL ? *value : *default_value;
+}
+
+template <typename Type>
+inline bool MapTypeHandler<WireFormatLite::TYPE_MESSAGE,
+ Type>::IsInitialized(Type* value) {
+ return value->IsInitialized();
+}
+
+// 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(&::google::protobuf::internal::GetEmptyString()); \
+ } \
+ template <typename Type> \
+ inline int \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::SpaceUsedInMapEntry( \
+ const TypeOnMemory& value) { \
+ return sizeof(value); \
+ } \
+ template <typename Type> \
+ inline int MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::SpaceUsedInMap(const TypeOnMemory& value) { \
+ return sizeof(value); \
+ } \
+ template <typename Type> \
+ inline int MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::SpaceUsedInMap(const string& value) { \
+ return sizeof(value); \
+ } \
+ template <typename Type> \
+ inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Clear( \
+ TypeOnMemory* value, Arena* arena) { \
+ value->ClearToEmpty(&::google::protobuf::internal::GetEmptyString(), arena); \
+ } \
+ template <typename Type> \
+ inline void \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::ClearMaybeByDefaultEnum(TypeOnMemory* value, \
+ Arena* arena, \
+ int default_enum) { \
+ Clear(value, arena); \
+ } \
+ template <typename Type> \
+ inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Merge( \
+ const MapEntryAccessorType& from, TypeOnMemory* to, Arena* arena) { \
+ to->Set(&::google::protobuf::internal::GetEmptyString(), from, arena); \
+ } \
+ template <typename Type> \
+ void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::DeleteNoArena( \
+ TypeOnMemory& value) { \
+ value.DestroyNoArena(&::google::protobuf::internal::GetEmptyString()); \
+ } \
+ template <typename Type> \
+ inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::AssignDefaultValue(TypeOnMemory* value) {} \
+ template <typename Type> \
+ inline void \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Initialize( \
+ TypeOnMemory* value, Arena* arena) { \
+ value->UnsafeSetDefault(&::google::protobuf::internal::GetEmptyString()); \
+ } \
+ template <typename Type> \
+ inline void \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::InitializeMaybeByDefaultEnum(TypeOnMemory* value, \
+ int default_enum_value, \
+ Arena* arena) { \
+ Initialize(value, arena); \
+ } \
+ template <typename Type> \
+ inline typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::MapEntryAccessorType* \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::EnsureMutable( \
+ TypeOnMemory* value, Arena* arena) { \
+ return value->Mutable(&::google::protobuf::internal::GetEmptyString(), arena); \
+ } \
+ template <typename Type> \
+ inline const typename MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::MapEntryAccessorType& \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::DefaultIfNotInitialized(const TypeOnMemory& value, \
+ const TypeOnMemory& \
+ default_value) { \
+ return value.Get(&::google::protobuf::internal::GetEmptyString()); \
+ } \
+ 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 int \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::SpaceUsedInMapEntry( \
+ const TypeOnMemory& value) { \
+ return 0; \
+ } \
+ template <typename Type> \
+ inline int MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::SpaceUsedInMap(const TypeOnMemory& value) { \
+ return sizeof(Type); \
+ } \
+ 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>::ClearMaybeByDefaultEnum(TypeOnMemory* value, \
+ Arena* arena, \
+ int default_enum_value) { \
+ *value = static_cast<TypeOnMemory>(default_enum_value); \
+ } \
+ 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> \
+ inline void MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::AssignDefaultValue(TypeOnMemory* value) {} \
+ template <typename Type> \
+ inline void \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::Initialize( \
+ TypeOnMemory* value, Arena* arena) { \
+ *value = 0; \
+ } \
+ template <typename Type> \
+ inline void \
+ MapTypeHandler<WireFormatLite::TYPE_##FieldType, \
+ Type>::InitializeMaybeByDefaultEnum(TypeOnMemory* value, \
+ int default_enum_value, \
+ Arena* arena) { \
+ *value = static_cast<TypeOnMemory>(default_enum_value); \
+ } \
+ 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, \
+ const TypeOnMemory& \
+ default_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__
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