/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtCore module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QFILEINFO_P_H

#define QFILEINFO_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of QIODevice. This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qfileinfo.h"

QT_BEGIN_NAMESPACE

class QFileInfoPrivate

{

public:

    QFileInfoPrivate(const QFileInfo *copy=0);

    ~QFileInfoPrivate();

    void initFileEngine(const QString &);

    enum Access {

        ReadAccess,

        WriteAccess,

        ExecuteAccess

    };

    bool hasAccess(Access access) const;

    uint getFileFlags(QAbstractFileEngine::FileFlags) const;

    QDateTime &getFileTime(QAbstractFileEngine::FileTime) const;

    QString getFileName(QAbstractFileEngine::FileName) const;

    enum {

        CachedFileFlags = 0x01,

        CachedLinkTypeFlag = 0x02,

        CachedBundleTypeFlag= 0x04,

        CachedMTime = 0x10,

        CachedCTime = 0x20,

        CachedATime = 0x40,

        CachedSize = 0x08

    };

    struct Data

    {

        inline Data()

            : ref(1), fileEngine(0), cache_enabled(1)

        {

            clear();

        }

        inline Data(const Data &copy)

            : ref(1), fileEngine(QAbstractFileEngine::create(copy.fileName)),

              fileName(copy.fileName), cache_enabled(copy.cache_enabled)

        {

            clear();

        }

        inline ~Data()

        {

            delete fileEngine;

        }

        inline void clear()

        {

            fileNames.clear();

            fileFlags = 0;

            cachedFlags = 0;

        }

        mutable QAtomicInt ref;

        QAbstractFileEngine *fileEngine;

        mutable QString fileName;

        mutable QHash<int, QString> fileNames;

        mutable uint cachedFlags : 31;

        mutable uint cache_enabled : 1;

        mutable uint fileFlags;

        mutable qint64 fileSize;

        mutable QDateTime fileTimes[3];

        inline bool getCachedFlag(uint c) const

        { return cache_enabled ? (cachedFlags & c) : 0; }

        inline void setCachedFlag(uint c)

        { if (cache_enabled) cachedFlags |= c; }

    } *data;

    inline void reset() {

        detach();

        data->clear();

    }

    void detach();

};

QT_END_NAMESPACE

#endif