webrtc/rtc_base/experiments/field_trial_list.cc
Ali Tofigh 7fa9057a05 Adopt absl::string_view in function parameters under rtc_base/
This is part of a large-scale effort to increase adoption of
absl::string_view across the WebRTC code base.

This CL converts the majority of "const std::string&"s in function
parameters under rtc_base/ to absl::string_view.

Bug: webrtc:13579
Change-Id: I2b1e3776aa42326aa405f76bb324a2d233b21dca
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/254081
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Xavier Lepaul‎ <xalep@webrtc.org>
Reviewed-by: Anders Lilienthal <andersc@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Ali Tofigh <alito@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36239}
2022-03-17 15:39:26 +00:00

59 lines
1.5 KiB
C++

/*
* 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"
#include "absl/strings/string_view.h"
namespace webrtc {
FieldTrialListBase::FieldTrialListBase(absl::string_view 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