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- // Copyright 2021 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef COMPONENTS_OPTIMIZATION_GUIDE_CORE_MODEL_UTIL_H_
- #define COMPONENTS_OPTIMIZATION_GUIDE_CORE_MODEL_UTIL_H_
- #include <string>
- #include "base/files/file_path.h"
- #include "components/optimization_guide/proto/models.pb.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- namespace optimization_guide {
- // Returns the string than can be used to record histograms for the optimization
- // target. If adding a histogram to use the string or adding an optimization
- // target, update the OptimizationGuide.OptimizationTargets histogram suffixes
- // in histograms.xml.
- std::string GetStringNameForOptimizationTarget(
- proto::OptimizationTarget optimization_target);
- // Returns the file path represented by the given string, handling platform
- // differences in the conversion. nullopt is only returned iff the passed string
- // is empty.
- absl::optional<base::FilePath> StringToFilePath(const std::string& str_path);
- // Returns a string representation of the given |file_path|, handling platform
- // differences in the conversion.
- std::string FilePathToString(const base::FilePath& file_path);
- // Returns the base file name to use for storing all prediction models.
- base::FilePath GetBaseFileNameForModels();
- // Returns the separator used in the model override switch below, which differs
- // between platforms.
- std::string ModelOverrideSeparator();
- // Returns the file path string and metadata for the model provided via
- // command-line for |optimization_target|, if applicable.
- absl::optional<
- std::pair<std::string, absl::optional<optimization_guide::proto::Any>>>
- GetModelOverrideForOptimizationTarget(
- optimization_guide::proto::OptimizationTarget optimization_target);
- } // namespace optimization_guide
- #endif // COMPONENTS_OPTIMIZATION_GUIDE_CORE_MODEL_UTIL_H_
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