1 //===- DirectoryScanner.cpp - Utility functions for DirectoryWatcher ------===//
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
7 //===----------------------------------------------------------------------===//
9 #include "DirectoryScanner.h"
11 #include "llvm/Support/Path.h"
17 Optional<sys::fs::file_status> getFileStatus(StringRef Path) {
18 sys::fs::file_status Status;
19 std::error_code EC = status(Path, Status);
25 std::vector<std::string> scanDirectory(StringRef Path) {
26 using namespace llvm::sys;
27 std::vector<std::string> Result;
30 for (auto It = fs::directory_iterator(Path, EC),
31 End = fs::directory_iterator();
32 !EC && It != End; It.increment(EC)) {
33 auto status = getFileStatus(It->path());
34 if (!status.hasValue())
36 Result.emplace_back(sys::path::filename(It->path()));
42 std::vector<DirectoryWatcher::Event>
43 getAsFileEvents(const std::vector<std::string> &Scan) {
44 std::vector<DirectoryWatcher::Event> Events;
45 Events.reserve(Scan.size());
47 for (const auto &File : Scan) {
48 Events.emplace_back(DirectoryWatcher::Event{
49 DirectoryWatcher::Event::EventKind::Modified, File});