Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QFILESYSTEMWATCHER_POLLING_P_H
++ #define QFILESYSTEMWATCHER_POLLING_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtCore/qbasictimer.h>
++ #include <QtCore/qfileinfo.h>
++ #include <QtCore/qmutex.h>
++ #include <QtCore/qdatetime.h>
++ #include <QtCore/qdir.h>
++ #include <QtCore/qdirlisting.h>
++ #include <QtCore/qhash.h>
++
++ #include "qfilesystemwatcher_p.h"
++
++ QT_REQUIRE_CONFIG(filesystemwatcher);
++ QT_BEGIN_NAMESPACE
++
++ class QPollingFileSystemWatcherEngine : public QFileSystemWatcherEngine
++ {
++ Q_OBJECT
++
++ class FileInfo
++ {
++ uint ownerId;
++ uint groupId;
++ QFile::Permissions permissions;
++ QDateTime lastModified;
++ QStringList entries;
++
++ static QStringList dirEntryList(const QFileInfo &fileInfo)
++ {
++ Q_ASSERT(fileInfo.isDir());
++
++ QStringList fileNames;
++ using F = QDirListing::IteratorFlag;
++ constexpr auto flags = F::ExcludeOther | F::IncludeDotAndDotDot;
++ for (const auto &entry : QDirListing(fileInfo.absoluteFilePath(), flags))
++ fileNames.emplace_back(entry.fileName());
++ return fileNames;
++ }
++
++ public:
++ FileInfo(const QFileInfo &fileInfo)
++ : ownerId(fileInfo.ownerId()),
++ groupId(fileInfo.groupId()),
++ permissions(fileInfo.permissions()),
++ lastModified(fileInfo.lastModified(QTimeZone::UTC))
++ {
++ if (fileInfo.isDir())
++ entries = dirEntryList(fileInfo);
++ }
++ FileInfo &operator=(const QFileInfo &fileInfo)
++ {
++ *this = FileInfo(fileInfo);
++ return *this;
++ }
++
++ bool operator!=(const QFileInfo &fileInfo) const
++ {
++ if (fileInfo.isDir() && entries != dirEntryList(fileInfo))
++ return true;
++ return (ownerId != fileInfo.ownerId()
++ || groupId != fileInfo.groupId()
++ || permissions != fileInfo.permissions()
++ || lastModified != fileInfo.lastModified(QTimeZone::UTC));
++ }
++ };
++
++ QHash<QString, FileInfo> files, directories;
++
++ public:
++ QPollingFileSystemWatcherEngine(QObject *parent);
++
++ QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
++ QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
++
++ private:
++ void timerEvent(QTimerEvent *) final;
++
++ private:
++ QBasicTimer timer;
++ };
++
++ QT_END_NAMESPACE
++ #endif // QFILESYSTEMWATCHER_POLLING_P_H
++