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1//===- DirectoryScanner.h - Utility functions for DirectoryWatcher --------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "clang/DirectoryWatcher/DirectoryWatcher.h"10#include "llvm/Support/FileSystem.h"11#include <optional>12#include <string>13#include <vector>14 15namespace clang {16 17/// Gets names (filenames) of items in directory at \p Path.18/// \returns empty vector if \p Path is not a directory, doesn't exist or can't19/// be read from.20std::vector<std::string> scanDirectory(llvm::StringRef Path);21 22/// Create event with EventKind::Added for every element in \p Scan.23std::vector<DirectoryWatcher::Event>24getAsFileEvents(const std::vector<std::string> &Scan);25 26/// Gets status of file (or directory) at \p Path.27/// \returns std::nullopt if \p Path doesn't exist or can't get the status.28std::optional<llvm::sys::fs::file_status> getFileStatus(llvm::StringRef Path);29 30} // namespace clang31