/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDIR_P_H
#define QDIR_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 "qfilesystementry_p.h"
#include "qfilesystemmetadata_p.h"

#include <memory>

QT_BEGIN_NAMESPACE

class QDirPrivate : public QSharedData
{
public:
    enum PathNormalization {
        DefaultNormalization = 0x00,
        AllowUncPaths = 0x01,
        RemotePath = 0x02
    };
    Q_DECLARE_FLAGS(PathNormalizations, PathNormalization)
    Q_FLAGS(PathNormalizations)

    explicit QDirPrivate(const QString &path, const QStringList &nameFilters_ = QStringList(),
                         QDir::SortFlags sort_ = QDir::SortFlags(QDir::Name | QDir::IgnoreCase),
                         QDir::Filters filters_ = QDir::AllEntries);

    explicit QDirPrivate(const QDirPrivate &copy);

    bool exists() const;

    void initFileEngine();
    void initFileLists(const QDir &dir) const;

    static void sortFileList(QDir::SortFlags, QFileInfoList &, QStringList *, QFileInfoList *);

    static inline QChar getFilterSepChar(const QString &nameFilter);

    static inline QStringList splitFilters(const QString &nameFilter, QChar sep = {});

    void setPath(const QString &path);

    void clearFileLists();

    void resolveAbsoluteEntry() const;

    mutable bool fileListsInitialized;
    mutable QStringList files;
    mutable QFileInfoList fileInfos;

    QStringList nameFilters;
    QDir::SortFlags sort;
    QDir::Filters filters;

    std::unique_ptr<QAbstractFileEngine> fileEngine;

    QFileSystemEntry dirEntry;
    mutable QFileSystemEntry absoluteDirEntry;
    mutable QFileSystemMetaData metaData;
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QDirPrivate::PathNormalizations)

Q_AUTOTEST_EXPORT QString qt_normalizePathSegments(const QString &name, QDirPrivate::PathNormalizations flags, bool *ok = nullptr);

QT_END_NAMESPACE

#endif