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//===- DirectoryScanner.cpp - Utility functions for DirectoryWatcher ------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "DirectoryScanner.h"
#include "llvm/Support/Path.h"
namespace clang {
using namespace llvm;
Optional<sys::fs::file_status> getFileStatus(StringRef Path) {
sys::fs::file_status Status;
std::error_code EC = status(Path, Status);
if (EC)
return None;
return Status;
}
std::vector<std::string> scanDirectory(StringRef Path) {
using namespace llvm::sys;
std::vector<std::string> Result;
std::error_code EC;
for (auto It = fs::directory_iterator(Path, EC),
End = fs::directory_iterator();
!EC && It != End; It.increment(EC)) {
auto status = getFileStatus(It->path());
if (!status.hasValue())
continue;
Result.emplace_back(sys::path::filename(It->path()));
}
return Result;
}
std::vector<DirectoryWatcher::Event>
getAsFileEvents(const std::vector<std::string> &Scan) {
std::vector<DirectoryWatcher::Event> Events;
Events.reserve(Scan.size());
for (const auto &File : Scan) {
Events.emplace_back(DirectoryWatcher::Event{
DirectoryWatcher::Event::EventKind::Modified, File});
}
return Events;
}
} // namespace clang
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