1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
|
// 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 size_t 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* InternalWriteToArray(int field,
const MapEntryAccessorType& value,
bool deterministic, uint8* target);
static inline uint8* WriteToArray(int field,
const MapEntryAccessorType& value,
uint8* target);
// 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* InternalWriteToArray( \
int field, \
const MapEntryAccessorType& value, \
bool deterministic, \
uint8* target); \
static inline uint8* WriteToArray(int field, \
const MapEntryAccessorType& value, \
uint8* target) { \
return InternalWriteToArray(field, value, false, target); \
} \
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 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 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>::InternalWriteToArray(
int field, const MapEntryAccessorType& value, bool deterministic,
uint8* target) {
return WireFormatLite::InternalWriteMessageToArray(field, value,
deterministic, target);
}
#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>::InternalWriteToArray( \
int field, const MapEntryAccessorType& value, bool, uint8* target) { \
return WireFormatLite::Write##DeclaredType##ToArray(field, value, target); \
}
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(); \
} \
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::GetEmptyStringAlreadyInited(), \
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::GetEmptyStringAlreadyInited(), from, arena); \
} \
template <typename Type> \
void MapTypeHandler<WireFormatLite::TYPE_##FieldType, Type>::DeleteNoArena( \
TypeOnMemory& value) { \
value.DestroyNoArena(&::google::protobuf::internal::GetEmptyStringAlreadyInited()); \
} \
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::GetEmptyStringAlreadyInited()); \
} \
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::GetEmptyStringAlreadyInited(), \
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(); \
} \
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__
|
