1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2023 Google LLC. All rights reserved. 3 // 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file or at 6 // https://developers.google.com/open-source/licenses/bsd 7 8 #include "upb/message/compat.h" 9 10 #include <stddef.h> 11 #include <stdint.h> 12 13 #include "upb/message/internal/extension.h" 14 #include "upb/message/message.h" 15 #include "upb/mini_table/extension.h" 16 17 // Must be last. 18 #include "upb/port/def.inc" 19 upb_Message_ExtensionByIndex(const upb_Message * msg,size_t index)20const upb_MiniTableExtension* upb_Message_ExtensionByIndex( 21 const upb_Message* msg, size_t index) { 22 size_t count; 23 const upb_Extension* ext = UPB_PRIVATE(_upb_Message_Getexts)(msg, &count); 24 25 UPB_ASSERT(index < count); 26 return ext[index].ext; 27 } 28 upb_Message_FindExtensionByNumber(const upb_Message * msg,uint32_t field_number)29const upb_Extension* upb_Message_FindExtensionByNumber(const upb_Message* msg, 30 uint32_t field_number) { 31 size_t count; 32 const upb_Extension* ext = UPB_PRIVATE(_upb_Message_Getexts)(msg, &count); 33 34 while (count--) { 35 if (upb_MiniTableExtension_Number(ext->ext) == field_number) return ext; 36 ext++; 37 } 38 return NULL; 39 } 40