buildtagstree.cpp

Go to the documentation of this file.

/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "buildtagstree.h"
#include <QDomDocument>
 
namespace LC::Util
{
    QDomElement BuildTagsTree (QStringList tags,
            QDomNode& node,
            QDomDocument& document,
            const QString& elementName,
            const std::function<QString (QDomElement)>& tagGetter,
            const std::function<void (QDomElement&, QString)>& tagSetter)
    {
        if (tags.isEmpty ())
            return node.toElement ();
 
        const auto& tag = tags.value (0);
        tags.removeFirst ();
 
        auto elements = node.childNodes ();
        for (int i = 0; i < elements.size (); ++i)
        {
            auto elem = elements.at (i).toElement ();
            if (tagGetter (elem) == tag)
                return BuildTagsTree (tags, elem,
                        document, elementName,
                        tagGetter, tagSetter);
        }
 
        auto result = document.createElement (elementName);
        tagSetter (result, tag);
        node.appendChild (result);
        return BuildTagsTree (tags, result,
                document, elementName,
                tagGetter, tagSetter);
    }
}