Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
4.2 KiB
104 lines
4.2 KiB
2 years ago
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef UPB_REFLECTION_MESSAGE_H_
|
||
|
|
#define UPB_REFLECTION_MESSAGE_H_
|
||
|
|
|
||
|
|
#include "upb/map.h"
|
||
|
|
#include "upb/reflection/common.h"
|
||
|
|
|
||
|
|
// Must be last.
|
||
|
|
#include "upb/port_def.inc"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
upb_MessageValue upb_FieldDef_Default(const upb_FieldDef* f);
|
||
|
|
|
||
|
|
/* Returns the value associated with this field. */
|
||
|
|
upb_MessageValue upb_Message_Get(const upb_Message* msg, const upb_FieldDef* f);
|
||
|
|
|
||
|
|
/* Returns a mutable pointer to a map, array, or submessage value. If the given
|
||
|
|
* arena is non-NULL this will construct a new object if it was not previously
|
||
|
|
* present. May not be called for primitive fields. */
|
||
|
|
upb_MutableMessageValue upb_Message_Mutable(upb_Message* msg,
|
||
|
|
const upb_FieldDef* f,
|
||
|
|
upb_Arena* a);
|
||
|
|
|
||
|
|
/* May only be called for fields where upb_FieldDef_HasPresence(f) == true. */
|
||
|
|
bool upb_Message_Has(const upb_Message* msg, const upb_FieldDef* f);
|
||
|
|
|
||
|
|
/* Returns the field that is set in the oneof, or NULL if none are set. */
|
||
|
|
const upb_FieldDef* upb_Message_WhichOneof(const upb_Message* msg,
|
||
|
|
const upb_OneofDef* o);
|
||
|
|
|
||
|
|
/* Sets the given field to the given value. For a msg/array/map/string, the
|
||
|
|
* caller must ensure that the target data outlives |msg| (by living either in
|
||
|
|
* the same arena or a different arena that outlives it).
|
||
|
|
*
|
||
|
|
* Returns false if allocation fails. */
|
||
|
|
bool upb_Message_Set(upb_Message* msg, const upb_FieldDef* f,
|
||
|
|
upb_MessageValue val, upb_Arena* a);
|
||
|
|
|
||
|
|
/* Clears any field presence and sets the value back to its default. */
|
||
|
|
void upb_Message_ClearField(upb_Message* msg, const upb_FieldDef* f);
|
||
|
|
|
||
|
|
/* Clear all data and unknown fields. */
|
||
|
|
void upb_Message_Clear(upb_Message* msg, const upb_MessageDef* m);
|
||
|
|
|
||
|
|
/* Iterate over present fields.
|
||
|
|
*
|
||
|
|
* size_t iter = kUpb_Message_Begin;
|
||
|
|
* const upb_FieldDef *f;
|
||
|
|
* upb_MessageValue val;
|
||
|
|
* while (upb_Message_Next(msg, m, ext_pool, &f, &val, &iter)) {
|
||
|
|
* process_field(f, val);
|
||
|
|
* }
|
||
|
|
*
|
||
|
|
* If ext_pool is NULL, no extensions will be returned. If the given symtab
|
||
|
|
* returns extensions that don't match what is in this message, those extensions
|
||
|
|
* will be skipped.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define kUpb_Message_Begin -1
|
||
|
|
bool upb_Message_Next(const upb_Message* msg, const upb_MessageDef* m,
|
||
|
|
const upb_DefPool* ext_pool, const upb_FieldDef** f,
|
||
|
|
upb_MessageValue* val, size_t* iter);
|
||
|
|
|
||
|
|
/* Clears all unknown field data from this message and all submessages. */
|
||
|
|
bool upb_Message_DiscardUnknown(upb_Message* msg, const upb_MessageDef* m,
|
||
|
|
int maxdepth);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} /* extern "C" */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "upb/port_undef.inc"
|
||
|
|
|
||
|
|
#endif /* UPB_REFLECTION_MESSAGE_H_ */
|