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 15 namespace 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. 20 std::vector<std::string> scanDirectory(llvm::StringRef Path); 21 22 /// Create event with EventKind::Added for every element in \p Scan. 23 std::vector<DirectoryWatcher::Event> 24 getAsFileEvents(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. 28 std::optional<llvm::sys::fs::file_status> getFileStatus(llvm::StringRef Path); 29 30 } // namespace clang 31