Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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78 lines
2.3 KiB
78 lines
2.3 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2024 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/internal/iterator.h" // IWYU pragma: keep |
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#include <stddef.h> |
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#include "upb/message/accessors.h" |
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#include "upb/message/array.h" |
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#include "upb/message/internal/accessors.h" |
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#include "upb/message/internal/extension.h" |
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#include "upb/message/map.h" |
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#include "upb/message/message.h" |
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#include "upb/mini_table/extension.h" |
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#include "upb/mini_table/field.h" |
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#include "upb/mini_table/message.h" |
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// Must be last. |
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#include "upb/port/def.inc" |
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bool UPB_PRIVATE(_upb_Message_NextBaseField)(const upb_Message* msg, |
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const upb_MiniTable* m, |
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const upb_MiniTableField** out_f, |
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upb_MessageValue* out_v, |
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size_t* iter) { |
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const size_t count = upb_MiniTable_FieldCount(m); |
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size_t i = *iter; |
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while (++i < count) { |
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const upb_MiniTableField* f = upb_MiniTable_GetFieldByIndex(m, i); |
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const void* src = UPB_PRIVATE(_upb_Message_DataPtr)(msg, f); |
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upb_MessageValue val; |
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UPB_PRIVATE(_upb_MiniTableField_DataCopy)(f, &val, src); |
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// Skip field if unset or empty. |
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if (upb_MiniTableField_HasPresence(f)) { |
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if (!upb_Message_HasBaseField(msg, f)) continue; |
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} else { |
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if (UPB_PRIVATE(_upb_MiniTableField_DataIsZero)(f, src)) continue; |
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if (upb_MiniTableField_IsArray(f)) { |
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if (upb_Array_Size(val.array_val) == 0) continue; |
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} else if (upb_MiniTableField_IsMap(f)) { |
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if (upb_Map_Size(val.map_val) == 0) continue; |
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} |
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} |
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*out_f = f; |
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*out_v = val; |
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*iter = i; |
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return true; |
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} |
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return false; |
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} |
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bool UPB_PRIVATE(_upb_Message_NextExtension)( |
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const upb_Message* msg, const upb_MiniTable* m, |
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const upb_MiniTableExtension** out_e, upb_MessageValue* out_v, |
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size_t* iter) { |
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size_t count; |
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const upb_Extension* exts = UPB_PRIVATE(_upb_Message_Getexts)(msg, &count); |
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size_t i = *iter; |
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if (++i < count) { |
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*out_e = exts[i].ext; |
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*out_v = exts[i].data; |
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*iter = i; |
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return true; |
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} |
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return false; |
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} |