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.
79 lines
2.2 KiB
79 lines
2.2 KiB
// Protocol Buffers - Google's data interchange format |
|
// Copyright 2023 Google LLC. All rights reserved. |
|
// |
|
// Use of this source code is governed by a BSD-style |
|
// license that can be found in the LICENSE file or at |
|
// https://developers.google.com/open-source/licenses/bsd |
|
|
|
// Users should include array.h or map.h instead. |
|
// IWYU pragma: private, include "upb/message/array.h" |
|
|
|
#ifndef UPB_MESSAGE_VALUE_H_ |
|
#define UPB_MESSAGE_VALUE_H_ |
|
|
|
#include <stdint.h> |
|
#include <string.h> |
|
|
|
#include "upb/base/string_view.h" |
|
#include "upb/message/internal/types.h" |
|
|
|
// Must be last. |
|
#include "upb/port/def.inc" |
|
|
|
#ifdef __cplusplus |
|
extern "C" { |
|
#endif |
|
|
|
typedef union { |
|
bool bool_val; |
|
float float_val; |
|
double double_val; |
|
int32_t int32_val; |
|
int64_t int64_val; |
|
uint32_t uint32_val; |
|
uint64_t uint64_val; |
|
const struct upb_Array* array_val; |
|
const struct upb_Map* map_val; |
|
const struct upb_Message* msg_val; |
|
upb_StringView str_val; |
|
|
|
// EXPERIMENTAL: A tagged upb_Message*. Users must use this instead of |
|
// msg_val if unlinked sub-messages may possibly be in use. See the |
|
// documentation in kUpb_DecodeOption_ExperimentalAllowUnlinked for more |
|
// information. |
|
uintptr_t tagged_msg_val; // upb_TaggedMessagePtr |
|
|
|
// For an extension field, we are essentially treating ext->data (a |
|
// upb_MessageValue) as if it were a message with one field that lives at |
|
// offset 0. This works because upb_MessageValue is precisely one value that |
|
// can hold any type of data. Recall that an extension can be of any type |
|
// (scalar, repeated, or message). For a message extension, that will be a |
|
// single upb_Message* at offset 0 of the upb_MessageValue. |
|
struct upb_Message UPB_PRIVATE(ext_msg_val); |
|
} upb_MessageValue; |
|
|
|
UPB_API_INLINE upb_MessageValue upb_MessageValue_Zero(void) { |
|
upb_MessageValue zero; |
|
memset(&zero, 0, sizeof(zero)); |
|
return zero; |
|
} |
|
|
|
typedef union { |
|
struct upb_Array* array; |
|
struct upb_Map* map; |
|
struct upb_Message* msg; |
|
} upb_MutableMessageValue; |
|
|
|
UPB_API_INLINE upb_MutableMessageValue upb_MutableMessageValue_Zero(void) { |
|
upb_MutableMessageValue zero; |
|
memset(&zero, 0, sizeof(zero)); |
|
return zero; |
|
} |
|
|
|
#ifdef __cplusplus |
|
} /* extern "C" */ |
|
#endif |
|
|
|
#include "upb/port/undef.inc" |
|
|
|
#endif /* UPB_MESSAGE_VALUE_H_ */
|
|
|