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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef PLATFORM_IMPLEMENTATION_LINUX_PREFERENCES_REPOSITORY_H_
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#define PLATFORM_IMPLEMENTATION_LINUX_PREFERENCES_REPOSITORY_H_
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#include <optional>
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#include <string>
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#include "absl/base/thread_annotations.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "nlohmann/json.hpp"
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#include "nlohmann/json_fwd.hpp"
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namespace nearby {
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namespace linux {
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class PreferencesRepository {
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public:
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explicit PreferencesRepository(absl::string_view path) : path_(path) {}
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nlohmann::json LoadPreferences() ABSL_LOCKS_EXCLUDED(&mutex_);
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bool SavePreferences(nlohmann::json preferences) ABSL_LOCKS_EXCLUDED(&mutex_);
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std::optional<nlohmann::json> AttemptLoad();
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std::optional<nlohmann::json> RestoreFromBackup();
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private:
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absl::Mutex mutex_;
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const std::string path_;
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};
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} // namespace linux
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} // namespace nearby
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#endif // PLATFORM_IMPLEMENTATION_LINUX_PREFERENCES_REPOSITORY_H_
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