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-exception
6//
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't
19/// 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 clang
31