| /* |
| * Copyright 2019 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| #include "rtc_base/experiments/field_trial_list.h" |
| |
| namespace webrtc { |
| |
| FieldTrialListBase::FieldTrialListBase(std::string key) |
| : FieldTrialParameterInterface(key), |
| failed_(false), |
| parse_got_called_(false) {} |
| |
| bool FieldTrialListBase::Failed() const { |
| return failed_; |
| } |
| bool FieldTrialListBase::Used() const { |
| return parse_got_called_; |
| } |
| |
| int FieldTrialListWrapper::Length() { |
| return GetList()->Size(); |
| } |
| bool FieldTrialListWrapper::Failed() { |
| return GetList()->Failed(); |
| } |
| bool FieldTrialListWrapper::Used() { |
| return GetList()->Used(); |
| } |
| |
| bool FieldTrialStructListBase::Parse(absl::optional<std::string> str_value) { |
| RTC_DCHECK_NOTREACHED(); |
| return true; |
| } |
| |
| int FieldTrialStructListBase::ValidateAndGetLength() { |
| int length = -1; |
| for (std::unique_ptr<FieldTrialListWrapper>& list : sub_lists_) { |
| if (list->Failed()) |
| return -1; |
| else if (!list->Used()) |
| continue; |
| else if (length == -1) |
| length = list->Length(); |
| else if (length != list->Length()) |
| return -1; |
| } |
| |
| return length; |
| } |
| |
| } // namespace webrtc |