Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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44 lines
1.4 KiB
44 lines
1.4 KiB
11 months ago
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// Protocol Buffers - Google's data interchange format
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// Copyright 2023 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#include "upb/message/compare.h"
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#include <string.h>
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#include "upb/mem/arena.h"
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#include "upb/message/message.h"
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#include "upb/mini_table/message.h"
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#include "upb/wire/encode.h"
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// Must be last.
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#include "upb/port/def.inc"
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bool upb_Message_IsExactlyEqual(const upb_Message* msg1,
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const upb_Message* msg2,
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const upb_MiniTable* m) {
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if (msg1 == msg2) return true;
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int opts = kUpb_EncodeOption_SkipUnknown | kUpb_EncodeOption_Deterministic;
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upb_Arena* a = upb_Arena_New();
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// Compare deterministically serialized payloads with no unknown fields.
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size_t size1, size2;
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char *data1, *data2;
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upb_EncodeStatus status1 = upb_Encode(msg1, m, opts, a, &data1, &size1);
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upb_EncodeStatus status2 = upb_Encode(msg2, m, opts, a, &data2, &size2);
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if (status1 != kUpb_EncodeStatus_Ok || status2 != kUpb_EncodeStatus_Ok) {
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// TODO: How should we fail here? (In Ruby we throw an exception.)
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upb_Arena_Free(a);
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return false;
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}
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const bool ret = (size1 == size2) && (memcmp(data1, data2, size1) == 0);
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upb_Arena_Free(a);
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return ret;
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}
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