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// Protocol Buffers - Google's data interchange format
// Copyright 2024 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "google/protobuf/hpb/extension.h"
#include "absl/log/absl_check.h"
#include "absl/status/status.h"
#include "google/protobuf/hpb/internal/message_lock.h"
#include "google/protobuf/hpb/status.h"
#include "upb/mem/arena.h"
#include "upb/message/accessors.h"
#include "upb/message/message.h"
#include "upb/mini_table/extension.h"
#include "upb/mini_table/extension_registry.h"
namespace hpb {
namespace internal {
upb_ExtensionRegistry* GetUpbExtensions(
const ExtensionRegistry& extension_registry) {
return extension_registry.registry_;
}
absl::Status MoveExtension(upb_Message* message, upb_Arena* message_arena,
const upb_MiniTableExtension* ext,
upb_Message* extension, upb_Arena* extension_arena) {
if (message_arena != extension_arena &&
// Try fuse, if fusing is not allowed or fails, create copy of extension.
!upb_Arena_Fuse(message_arena, extension_arena)) {
extension = DeepClone(extension, upb_MiniTableExtension_GetSubMessage(ext),
message_arena);
}
return upb_Message_SetExtension(message, ext, &extension, message_arena)
? absl::OkStatus()
: MessageAllocationError();
}
absl::Status SetExtension(upb_Message* message, upb_Arena* message_arena,
const upb_MiniTableExtension* ext,
const upb_Message* extension) {
// Clone extension into target message arena.
extension = DeepClone(extension, upb_MiniTableExtension_GetSubMessage(ext),
message_arena);
return upb_Message_SetExtension(message, ext, &extension, message_arena)
? absl::OkStatus()
: MessageAllocationError();
}
void SetAliasExtension(upb_Message* message, upb_Arena* message_arena,
const upb_MiniTableExtension* ext,
upb_Message* extension, upb_Arena* extension_arena) {
ABSL_CHECK(upb_Arena_IsFused(message_arena, extension_arena));
upb_Message_SetExtension(message, ext, &extension, message_arena);
}
} // namespace internal
} // namespace hpb
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