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

#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 purely as an

// implementation detail.  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), fileSize(0)

        { clear(); }

        inline Data(const Data &copy)

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

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

        { clear(); }

        inline ~Data() { delete fileEngine; }

        inline void clearFlags() {

            fileFlags = 0;

            cachedFlags = 0;

            if (fileEngine)

                (void)fileEngine->fileFlags(QFSFileEngine::Refresh);

        }

        inline void clear() {

            clearFlags();

            for (int i = QAbstractFileEngine::NFileNames - 1 ; i >= 0 ; --i)

                fileNames[i].clear();

        }

        mutable QAtomicInt ref;

        QAbstractFileEngine *fileEngine;

        mutable QString fileName;

        mutable QString fileNames[QAbstractFileEngine::NFileNames];

        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 // QFILEINFO_P_H