Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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/*
* Copyright (c) 2009-2021, Google LLC
* All rights reserved.
*
* 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 LLC 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 Google LLC 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.
*/
// These functions are only used by generated code.
#ifndef UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_
#define UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_
#include "upb/collections/map_internal.h"
// Must be last.
#include "upb/port/def.inc"
#ifdef __cplusplus
extern "C" {
#endif
// Message map operations, these get the map from the message first.
UPB_INLINE void _upb_msg_map_key(const void* msg, void* key, size_t size) {
const upb_tabent* ent = (const upb_tabent*)msg;
uint32_t u32len;
upb_StringView k;
k.data = upb_tabstr(ent->key, &u32len);
k.size = u32len;
_upb_map_fromkey(k, key, size);
}
UPB_INLINE void _upb_msg_map_value(const void* msg, void* val, size_t size) {
const upb_tabent* ent = (const upb_tabent*)msg;
upb_value v = {ent->val.val};
_upb_map_fromvalue(v, val, size);
}
UPB_INLINE void _upb_msg_map_set_value(void* msg, const void* val,
size_t size) {
upb_tabent* ent = (upb_tabent*)msg;
// This is like _upb_map_tovalue() except the entry already exists
// so we can reuse the allocated upb_StringView for string fields.
if (size == UPB_MAPTYPE_STRING) {
upb_StringView* strp = (upb_StringView*)(uintptr_t)ent->val.val;
memcpy(strp, val, sizeof(*strp));
} else {
memcpy(&ent->val.val, val, size);
}
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_COLLECTIONS_MAP_GENCODE_UTIL_H_ */