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