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385b6c5460
Bug: webrtc:13579 Change-Id: Ie16b2f1cf5288cf795ea6d40f4b3a37f76f00f76 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258422 Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36505}
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_SCOPED_KEY_VALUE_CONFIG_H_
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#define TEST_SCOPED_KEY_VALUE_CONFIG_H_
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#include <functional>
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#include <map>
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#include <memory>
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#include <string>
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#include "absl/strings/string_view.h"
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#include "api/field_trials_view.h"
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#include "test/field_trial.h"
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namespace webrtc {
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namespace test {
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class ScopedKeyValueConfig : public FieldTrialsView {
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public:
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virtual ~ScopedKeyValueConfig();
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ScopedKeyValueConfig();
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explicit ScopedKeyValueConfig(absl::string_view s);
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ScopedKeyValueConfig(ScopedKeyValueConfig& parent, absl::string_view s);
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std::string Lookup(absl::string_view key) const override;
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private:
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ScopedKeyValueConfig(ScopedKeyValueConfig* parent, absl::string_view s);
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ScopedKeyValueConfig* GetRoot(ScopedKeyValueConfig* n);
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std::string LookupRecurse(absl::string_view key) const;
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ScopedKeyValueConfig* const parent_;
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// The leaf in a list of stacked ScopedKeyValueConfig.
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// Only set on root (e.g with parent_ == nullptr).
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const ScopedKeyValueConfig* leaf_;
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// Unlike std::less<std::string>, std::less<> is transparent and allows
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// heterogeneous lookup directly with absl::string_view.
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std::map<std::string, std::string, std::less<>> key_value_map_;
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std::unique_ptr<ScopedFieldTrials> scoped_field_trials_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // TEST_SCOPED_KEY_VALUE_CONFIG_H_
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