| // Copyright 2020 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| #include "pw_protobuf/find.h" |
| |
| namespace pw::protobuf { |
| |
| Status FindDecodeHandler::ProcessField(CallbackDecoder& decoder, |
| uint32_t field_number) { |
| if (field_number != field_number_) { |
| // Continue to the next field. |
| return OkStatus(); |
| } |
| |
| found_ = true; |
| if (nested_handler_ == nullptr) { |
| return Status::Cancelled(); |
| } |
| |
| std::span<const std::byte> submessage; |
| if (Status status = decoder.ReadBytes(&submessage); !status.ok()) { |
| return status; |
| } |
| |
| CallbackDecoder subdecoder; |
| subdecoder.set_handler(nested_handler_); |
| return subdecoder.Decode(submessage); |
| } |
| |
| } // namespace pw::protobuf |