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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt.org
*
* Copyright: 2010-2011 Razor team
* Authors:
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#ifndef QTXDG_XMLHELPER_H
#define QTXDG_XMLHELPER_H
#include "xdgmacros.h"
#include <QDebug>
#include <QtXml/QDomElement>
#include <QtXml/QDomNode>
class QTXDG_API DomElementIterator
{
public:
explicit DomElementIterator(const QDomNode& parentNode, const QString& tagName = QString())
{
mTagName = tagName;
mParent = parentNode;
toFront();
}
void toFront()
{
mNext = mParent.firstChildElement(mTagName);
}
bool hasNext()
{
return (!mNext.isNull());
}
const QDomElement& next()
{
mCur = mNext;
mNext = mNext.nextSiblingElement(mTagName);
return mCur;
}
void toBack()
{
mNext = mParent.lastChildElement(mTagName);
}
bool hasPrevious()
{
return (!mNext.isNull());
}
const QDomElement& previous()
{
mCur = mNext;
mNext = mNext.previousSiblingElement(mTagName);
return mCur;
}
const QDomElement& current() const
{
return mCur;
}
private:
QString mTagName;
QDomNode mParent;
QDomElement mCur;
QDomElement mNext;
};
class MutableDomElementIterator
{
public:
explicit MutableDomElementIterator(QDomNode& parentNode, const QString& tagName = QString())
{
mTagName = tagName;
mParent = parentNode;
toFront();
}
void toFront()
{
mNext = mParent.firstChildElement(mTagName);
}
bool hasNext()
{
return (!mNext.isNull());
}
QDomElement& next()
{
mCur = mNext;
mNext = mNext.nextSiblingElement(mTagName);
return mCur;
}
void toBack()
{
mNext = mParent.lastChildElement(mTagName);
}
bool hasPrevious()
{
return (!mNext.isNull());
}
QDomElement& previous()
{
mCur = mNext;
mNext = mNext.previousSiblingElement(mTagName);
return mCur;
}
QDomElement& current()
{
return mCur;
}
private:
QString mTagName;
QDomNode mParent;
QDomElement mCur;
QDomElement mNext;
};
QDebug operator<<(QDebug dbg, const QDomElement &el);
#endif // QTXDG_XMLHELPER_H
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