/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the demonstration applications 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef XBEL_H
#define XBEL_H

#include <QtCore/QXmlStreamReader>
#include <QtCore/QDateTime>

class BookmarkNode
{
public:
    enum Type {
        Root,
        Folder,
        Bookmark,
        Separator
    };

    BookmarkNode(Type type = Root, BookmarkNode *parent = 0);
    ~BookmarkNode();
    bool operator==(const BookmarkNode &other);

    Type type() const;
    void setType(Type type);
    QList<BookmarkNode *> children() const;
    BookmarkNode *parent() const;

    void add(BookmarkNode *child, int offset = -1);
    void remove(BookmarkNode *child);

    QString url;
    QString title;
    QString desc;
    bool expanded;

private:
    BookmarkNode *m_parent;
    Type m_type;
    QList<BookmarkNode *> m_children;

};

class XbelReader : public QXmlStreamReader
{
public:
    XbelReader();
    BookmarkNode *read(const QString &fileName);
    BookmarkNode *read(QIODevice *device);

private:
    void readXBEL(BookmarkNode *parent);
    void readTitle(BookmarkNode *parent);
    void readDescription(BookmarkNode *parent);
    void readSeparator(BookmarkNode *parent);
    void readFolder(BookmarkNode *parent);
    void readBookmarkNode(BookmarkNode *parent);
};

#include <QtCore/QXmlStreamWriter>

class XbelWriter : public QXmlStreamWriter
{
public:
    XbelWriter();
    bool write(const QString &fileName, const BookmarkNode *root);
    bool write(QIODevice *device, const BookmarkNode *root);

private:
    void writeItem(const BookmarkNode *parent);
};

#endif // XBEL_H
