1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2023 Google LLC. All rights reserved.
3 //
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file or at
6 // https://developers.google.com/open-source/licenses/bsd
7
8 // These functions are only used by generated code.
9
10 #ifndef UPB_MESSAGE_MAP_GENCODE_UTIL_H_
11 #define UPB_MESSAGE_MAP_GENCODE_UTIL_H_
12
13 #include "upb/message/internal/map.h"
14
15 // Must be last.
16 #include "upb/port/def.inc"
17
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21
22 // Message map operations, these get the map from the message first.
23
_upb_msg_map_key(const void * msg,void * key,size_t size)24 UPB_INLINE void _upb_msg_map_key(const void* msg, void* key, size_t size) {
25 const upb_tabent* ent = (const upb_tabent*)msg;
26 uint32_t u32len;
27 upb_StringView k;
28 k.data = upb_tabstr(ent->key, &u32len);
29 k.size = u32len;
30 _upb_map_fromkey(k, key, size);
31 }
32
_upb_msg_map_value(const void * msg,void * val,size_t size)33 UPB_INLINE void _upb_msg_map_value(const void* msg, void* val, size_t size) {
34 const upb_tabent* ent = (const upb_tabent*)msg;
35 upb_value v = {ent->val.val};
36 _upb_map_fromvalue(v, val, size);
37 }
38
_upb_msg_map_set_value(void * msg,const void * val,size_t size)39 UPB_INLINE void _upb_msg_map_set_value(void* msg, const void* val,
40 size_t size) {
41 upb_tabent* ent = (upb_tabent*)msg;
42 // This is like _upb_map_tovalue() except the entry already exists
43 // so we can reuse the allocated upb_StringView for string fields.
44 if (size == UPB_MAPTYPE_STRING) {
45 upb_StringView* strp = (upb_StringView*)(uintptr_t)ent->val.val;
46 memcpy(strp, val, sizeof(*strp));
47 } else {
48 memcpy(&ent->val.val, val, size);
49 }
50 }
51
52 #ifdef __cplusplus
53 } /* extern "C" */
54 #endif
55
56 #include "upb/port/undef.inc"
57
58 #endif /* UPB_MESSAGE_MAP_GENCODE_UTIL_H_ */
59