Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC. 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 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 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 UPB_JSON_ENCODE_H_
#define UPB_JSON_ENCODE_H_
#include "upb/reflection/def.h"
// Must be last.
#include "upb/port/def.inc"
#ifdef __cplusplus
extern "C" {
#endif
enum {
/* When set, emits 0/default values. TODO(haberman): proto3 only? */
upb_JsonEncode_EmitDefaults = 1 << 0,
/* When set, use normal (snake_case) field names instead of JSON (camelCase)
names. */
upb_JsonEncode_UseProtoNames = 1 << 1,
/* When set, emits enums as their integer values instead of as their names. */
upb_JsonEncode_FormatEnumsAsIntegers = 1 << 2
};
/* Encodes the given |msg| to JSON format. The message's reflection is given in
* |m|. The symtab in |symtab| is used to find extensions (if NULL, extensions
* will not be printed).
*
* Output is placed in the given buffer, and always NULL-terminated. The output
* size (excluding NULL) is returned. This means that a return value >= |size|
* implies that the output was truncated. (These are the same semantics as
* snprintf()). */
UPB_API size_t upb_JsonEncode(const upb_Message* msg, const upb_MessageDef* m,
const upb_DefPool* ext_pool, int options,
char* buf, size_t size, upb_Status* status);
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_JSONENCODE_H_ */