/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016 Ivailo Monev
**
** This file is part of the QtCore module of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QLIBRARY_P_H
#define QLIBRARY_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Katie API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qlibrary.h"
#include "QtCore/qplugin.h"
#include "QtCore/qsharedpointer.h"

#ifndef QT_NO_LIBRARY

QT_BEGIN_NAMESPACE

bool qt_debug_component();

class QLibraryPrivate
{
public:
    QLibraryPrivate();
    ~QLibraryPrivate();

    void *pHnd;
    QString fileName;

    bool load();
    bool loadPlugin(); // loads and resolves instance
    bool unload();
    void *resolve(const char *);

    QWeakPointer<QObject> inst;
    QtPluginInstanceFunction instance;

    QString errorString;
    QLibrary::LoadHints loadHints;

    bool isPlugin();

private:
    Q_DISABLE_COPY(QLibraryPrivate);

    bool load_sys();
    bool unload_sys();
    void *resolve_sys(const char *);

    enum {
        IsAPlugin,
        IsNotAPlugin,
        MightBeAPlugin
    } pluginState;
};

QT_END_NAMESPACE

#endif // QT_NO_LIBRARY

#endif // QLIBRARY_P_H
