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57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// Copyright 2024 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 THIRD_PARTY_NEARBY_INTERNAL_BASE_FILES_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_BASE_FILES_H_
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#include <cstdint>
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#include <filesystem> // NOLINT(build/c++17)
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#include <optional>
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// This file contains exception safe wrappers to access common std::filesystem
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// functions.
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namespace nearby::sharing {
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// Returns true if path exists and is not a directory.
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bool FileExists(const std::filesystem::path& path);
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// Returns the size of the file at path, or nullopt if not found or not a file.
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std::optional<uintmax_t> GetFileSize(const std::filesystem::path& path);
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// Returns true if path exists and is a directory.
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bool DirectoryExists(const std::filesystem::path& path);
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// Removes the file at path and returns true.
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// Returns false if path does not exist, is not a file or cannot be removed.
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bool RemoveFile(const std::filesystem::path& path);
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// Returns path to a temporary directory if available.
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std::optional<std::filesystem::path> GetTemporaryDirectory();
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// Returns path to the current directory. On failure returns an empty path.
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std::filesystem::path CurrentDirectory();
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// Renames the file at old_path to new_path.
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// Returns true on success.
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bool Rename(const std::filesystem::path& old_path,
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const std::filesystem::path& new_path);
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// Creates all directory leading to path.
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// Returns true on success.
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bool CreateDirectories(const std::filesystem::path& path);
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} // namespace nearby::sharing
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#endif // THIRD_PARTY_NEARBY_INTERNAL_BASE_FILES_H_
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