1 /*
2 * Copyright (c) 2009-2021, Google LLC
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Google LLC nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 // These functions are only used by generated code.
29
30 #ifndef UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_
31 #define UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_
32
33 #include "upb/collections/map_internal.h"
34
35 // Must be last.
36 #include "upb/port/def.inc"
37
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41
42 // Message map operations, these get the map from the message first.
43
_upb_msg_map_key(const void * msg,void * key,size_t size)44 UPB_INLINE void _upb_msg_map_key(const void* msg, void* key, size_t size) {
45 const upb_tabent* ent = (const upb_tabent*)msg;
46 uint32_t u32len;
47 upb_StringView k;
48 k.data = upb_tabstr(ent->key, &u32len);
49 k.size = u32len;
50 _upb_map_fromkey(k, key, size);
51 }
52
_upb_msg_map_value(const void * msg,void * val,size_t size)53 UPB_INLINE void _upb_msg_map_value(const void* msg, void* val, size_t size) {
54 const upb_tabent* ent = (const upb_tabent*)msg;
55 upb_value v = {ent->val.val};
56 _upb_map_fromvalue(v, val, size);
57 }
58
_upb_msg_map_set_value(void * msg,const void * val,size_t size)59 UPB_INLINE void _upb_msg_map_set_value(void* msg, const void* val,
60 size_t size) {
61 upb_tabent* ent = (upb_tabent*)msg;
62 // This is like _upb_map_tovalue() except the entry already exists
63 // so we can reuse the allocated upb_StringView for string fields.
64 if (size == UPB_MAPTYPE_STRING) {
65 upb_StringView* strp = (upb_StringView*)(uintptr_t)ent->val.val;
66 memcpy(strp, val, sizeof(*strp));
67 } else {
68 memcpy(&ent->val.val, val, size);
69 }
70 }
71
72 #ifdef __cplusplus
73 } /* extern "C" */
74 #endif
75
76 #include "upb/port/undef.inc"
77
78 #endif /* UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_ */
79