Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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/*
* Copyright (c) 2009-2022, 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_MINI_TABLE_FIELD_H_
#define UPB_MINI_TABLE_FIELD_H_
#include "upb/mini_table/internal/field.h"
#include "upb/mini_table/internal/message.h"
#include "upb/mini_table/internal/sub.h"
// Must be last.
#include "upb/port/def.inc"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct upb_MiniTableField upb_MiniTableField;
UPB_API_INLINE upb_FieldType
upb_MiniTableField_Type(const upb_MiniTableField* field) {
if (field->mode & kUpb_LabelFlags_IsAlternate) {
if (field->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Int32) {
return kUpb_FieldType_Enum;
} else if (field->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Bytes) {
return kUpb_FieldType_String;
} else {
UPB_ASSERT(false);
}
}
return (upb_FieldType)field->UPB_PRIVATE(descriptortype);
}
UPB_API_INLINE upb_CType upb_MiniTableField_CType(const upb_MiniTableField* f) {
switch (upb_MiniTableField_Type(f)) {
case kUpb_FieldType_Double:
return kUpb_CType_Double;
case kUpb_FieldType_Float:
return kUpb_CType_Float;
case kUpb_FieldType_Int64:
case kUpb_FieldType_SInt64:
case kUpb_FieldType_SFixed64:
return kUpb_CType_Int64;
case kUpb_FieldType_Int32:
case kUpb_FieldType_SFixed32:
case kUpb_FieldType_SInt32:
return kUpb_CType_Int32;
case kUpb_FieldType_UInt64:
case kUpb_FieldType_Fixed64:
return kUpb_CType_UInt64;
case kUpb_FieldType_UInt32:
case kUpb_FieldType_Fixed32:
return kUpb_CType_UInt32;
case kUpb_FieldType_Enum:
return kUpb_CType_Enum;
case kUpb_FieldType_Bool:
return kUpb_CType_Bool;
case kUpb_FieldType_String:
return kUpb_CType_String;
case kUpb_FieldType_Bytes:
return kUpb_CType_Bytes;
case kUpb_FieldType_Group:
case kUpb_FieldType_Message:
return kUpb_CType_Message;
}
UPB_UNREACHABLE();
}
UPB_API_INLINE bool upb_MiniTableField_IsExtension(
const upb_MiniTableField* field) {
return field->mode & kUpb_LabelFlags_IsExtension;
}
UPB_API_INLINE bool upb_MiniTableField_IsClosedEnum(
const upb_MiniTableField* field) {
return field->UPB_PRIVATE(descriptortype) == kUpb_FieldType_Enum;
}
UPB_API_INLINE bool upb_MiniTableField_HasPresence(
const upb_MiniTableField* field) {
if (upb_MiniTableField_IsExtension(field)) {
return !upb_IsRepeatedOrMap(field);
} else {
return field->presence != 0;
}
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#include "upb/port/undef.inc"
#endif /* UPB_MINI_TABLE_FIELD_H_ */