Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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104 lines
3.6 KiB
104 lines
3.6 KiB
/* |
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* Copyright (c) 2009-2021, Google LLC |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the name of Google LLC nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT, |
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef UPB_BASE_DESCRIPTOR_CONSTANTS_H_ |
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#define UPB_BASE_DESCRIPTOR_CONSTANTS_H_ |
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// Must be last. |
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#include "upb/port/def.inc" |
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// The types a field can have. Note that this list is not identical to the |
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// types defined in descriptor.proto, which gives INT32 and SINT32 separate |
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// types (we distinguish the two with the "integer encoding" enum below). |
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// This enum is an internal convenience only and has no meaning outside of upb. |
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typedef enum { |
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kUpb_CType_Bool = 1, |
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kUpb_CType_Float = 2, |
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kUpb_CType_Int32 = 3, |
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kUpb_CType_UInt32 = 4, |
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kUpb_CType_Enum = 5, // Enum values are int32. TODO(b/279178239): rename |
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kUpb_CType_Message = 6, |
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kUpb_CType_Double = 7, |
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kUpb_CType_Int64 = 8, |
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kUpb_CType_UInt64 = 9, |
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kUpb_CType_String = 10, |
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kUpb_CType_Bytes = 11 |
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} upb_CType; |
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// The repeated-ness of each field; this matches descriptor.proto. |
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typedef enum { |
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kUpb_Label_Optional = 1, |
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kUpb_Label_Required = 2, |
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kUpb_Label_Repeated = 3 |
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} upb_Label; |
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// Descriptor types, as defined in descriptor.proto. |
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typedef enum { |
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kUpb_FieldType_Double = 1, |
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kUpb_FieldType_Float = 2, |
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kUpb_FieldType_Int64 = 3, |
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kUpb_FieldType_UInt64 = 4, |
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kUpb_FieldType_Int32 = 5, |
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kUpb_FieldType_Fixed64 = 6, |
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kUpb_FieldType_Fixed32 = 7, |
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kUpb_FieldType_Bool = 8, |
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kUpb_FieldType_String = 9, |
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kUpb_FieldType_Group = 10, |
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kUpb_FieldType_Message = 11, |
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kUpb_FieldType_Bytes = 12, |
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kUpb_FieldType_UInt32 = 13, |
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kUpb_FieldType_Enum = 14, |
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kUpb_FieldType_SFixed32 = 15, |
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kUpb_FieldType_SFixed64 = 16, |
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kUpb_FieldType_SInt32 = 17, |
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kUpb_FieldType_SInt64 = 18, |
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} upb_FieldType; |
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#define kUpb_FieldType_SizeOf 19 |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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UPB_INLINE bool upb_FieldType_IsPackable(upb_FieldType type) { |
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// clang-format off |
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const unsigned kUnpackableTypes = |
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(1 << kUpb_FieldType_String) | |
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(1 << kUpb_FieldType_Bytes) | |
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(1 << kUpb_FieldType_Message) | |
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(1 << kUpb_FieldType_Group); |
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// clang-format on |
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return (1 << type) & ~kUnpackableTypes; |
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} |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#include "upb/port/undef.inc" |
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#endif /* UPB_BASE_DESCRIPTOR_CONSTANTS_H_ */
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