Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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108 lines
4.2 KiB
108 lines
4.2 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2023 Google LLC. All rights reserved. |
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// https://developers.google.com/protocol-buffers/ |
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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 |
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// met: |
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// |
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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 |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google LLC nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// 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 |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// 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 |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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#ifndef UPB_MINI_TABLE_MESSAGE_H_ |
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#define UPB_MINI_TABLE_MESSAGE_H_ |
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#include "upb/mini_table/enum.h" |
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#include "upb/mini_table/field.h" |
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#include "upb/mini_table/internal/message.h" |
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// Must be last. |
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#include "upb/port/def.inc" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct upb_MiniTable upb_MiniTable; |
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UPB_API const upb_MiniTableField* upb_MiniTable_FindFieldByNumber( |
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const upb_MiniTable* table, uint32_t number); |
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UPB_API_INLINE const upb_MiniTableField* upb_MiniTable_GetFieldByIndex( |
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const upb_MiniTable* t, uint32_t index) { |
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return &t->fields[index]; |
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} |
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// Returns the MiniTable for this message field. If the field is unlinked, |
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// returns NULL. |
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UPB_API_INLINE const upb_MiniTable* upb_MiniTable_GetSubMessageTable( |
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const upb_MiniTable* mini_table, const upb_MiniTableField* field) { |
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UPB_ASSERT(upb_MiniTableField_CType(field) == kUpb_CType_Message); |
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const upb_MiniTable* ret = |
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mini_table->subs[field->UPB_PRIVATE(submsg_index)].submsg; |
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UPB_ASSUME(ret); |
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return ret == &_kUpb_MiniTable_Empty ? NULL : ret; |
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} |
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// Returns the MiniTableEnum for this enum field. If the field is unlinked, |
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// returns NULL. |
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UPB_API_INLINE const upb_MiniTableEnum* upb_MiniTable_GetSubEnumTable( |
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const upb_MiniTable* mini_table, const upb_MiniTableField* field) { |
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UPB_ASSERT(upb_MiniTableField_CType(field) == kUpb_CType_Enum); |
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return mini_table->subs[field->UPB_PRIVATE(submsg_index)].subenum; |
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} |
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// Returns true if this MiniTable field is linked to a MiniTable for the |
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// sub-message. |
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UPB_API_INLINE bool upb_MiniTable_MessageFieldIsLinked( |
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const upb_MiniTable* mini_table, const upb_MiniTableField* field) { |
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return upb_MiniTable_GetSubMessageTable(mini_table, field) != NULL; |
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} |
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// If this field is in a oneof, returns the first field in the oneof. |
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// |
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// Otherwise returns NULL. |
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// |
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// Usage: |
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// const upb_MiniTableField* field = upb_MiniTable_GetOneof(m, f); |
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// do { |
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// .. |
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// } while (upb_MiniTable_NextOneofField(m, &field); |
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// |
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const upb_MiniTableField* upb_MiniTable_GetOneof(const upb_MiniTable* m, |
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const upb_MiniTableField* f); |
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// Iterates to the next field in the oneof. If this is the last field in the |
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// oneof, returns false. The ordering of fields in the oneof is not |
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// guaranteed. |
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// REQUIRES: |f| is the field initialized by upb_MiniTable_GetOneof and updated |
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// by prior upb_MiniTable_NextOneofField calls. |
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bool upb_MiniTable_NextOneofField(const upb_MiniTable* m, |
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const upb_MiniTableField** f); |
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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_MINI_TABLE_MESSAGE_H_ */
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