/******************************************************************************** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.**** This file is part of the QtCore module of the Qt Toolkit.**** This file may be used under the terms of the GNU General Public** License version 2.0 as published by the Free Software Foundation** and appearing in the file LICENSE.GPL included in the packaging of** this file.  Please review the following information to ensure GNU** General Public Licensing requirements will be met:** http://www.trolltech.com/products/qt/opensource.html**** If you are unsure which license is appropriate for your use, please** review the following information:** http://www.trolltech.com/products/qt/licensing.html or contact the** sales department at sales@trolltech.com.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifndef QIODEVICE_P_H#define QIODEVICE_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 "QtCore/qiodevice.h"#include "QtCore/qbytearray.h"#include "QtCore/qobjectdefs.h"#include "QtCore/qstring.h"#include "private/qringbuffer_p.h"#ifndef QT_NO_QOBJECT#include "private/qobject_p.h"#endifclass Q_CORE_EXPORT QIODevicePrivate#ifndef QT_NO_QOBJECT    : public QObjectPrivate#endif{    Q_DECLARE_PUBLIC(QIODevice)public:    QIODevicePrivate();    virtual ~QIODevicePrivate();    QIODevice::OpenMode openMode;    QString errorString;    QRingBuffer buffer;    qint64 pos;    qint64 devicePos;    bool baseReadLineDataCalled;    enum AccessMode {        Unset,        Sequential,        RandomAccess    };    mutable AccessMode accessMode;    inline bool isSequential() const    {        if (accessMode == Unset)            accessMode = q_func()->isSequential() ? Sequential : RandomAccess;        return accessMode == Sequential;    }    #ifdef QT_NO_QOBJECT    QIODevice *q_ptr;#endif};#endif // QIODEVICE_P_H