/*  This file is part of YUView - The YUV player with advanced analytics toolset
*   <https://github.com/IENT/YUView>
*   Copyright (C) 2015  Institut für Nachrichtentechnik, RWTH Aachen University, GERMANY
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation; either version 3 of the License, or
*   (at your option) any later version.
*
*   In addition, as a special exception, the copyright holders give
*   permission to link the code of portions of this program with the
*   OpenSSL library under certain conditions as described in each
*   individual source file, and distribute linked combinations including
*   the two.
*   
*   You must obey the GNU General Public License in all respects for all
*   of the code used other than OpenSSL. If you modify file(s) with this
*   exception, you may extend this exception to your version of the
*   file(s), but you are not obligated to do so. If you do not wish to do
*   so, delete this exception statement from your version. If you delete
*   this exception statement from all source files in the program, then
*   also delete it here.
*
*   This program 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 General Public License for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include "YUViewDomElement.h"

QString YUViewDomElement::findChildValue(const QString &tagName) const 
{ 
    QStringPairList b; 
    return findChildValue(tagName, b); 
}

QString YUViewDomElement::findChildValue(const QString &tagName, QStringPairList &attributeList) const
{
  for (QDomNode n = firstChild(); !n.isNull(); n = n.nextSibling())
    if (n.isElement() && n.toElement().tagName() == tagName)
    {
      QDomNamedNodeMap attributes = n.toElement().attributes();
      for (int i = 0; i < attributes.length(); i++)
      {
        QString name = attributes.item(i).nodeName();
        QString val  = attributes.item(i).nodeValue();
        attributeList.append(QStringPair(name, val));
      }
      return n.toElement().text();
    }
  return QString();
}

int YUViewDomElement::findChildValueInt(const QString &tagName, int defaultValue) const 
{ 
  QString r = findChildValue(tagName); 
  return r.isEmpty() ? defaultValue : r.toInt(); 
};

double YUViewDomElement::findChildValueDouble(const QString &tagName, double defaultValue) const 
{ 
  QString r = findChildValue(tagName); 
  return r.isEmpty() ? defaultValue : r.toDouble(); 
};

void YUViewDomElement::appendProperiteChild(const QString &type, const QString &name, const QStringPairList &attributes)
{
  QDomElement newChild = ownerDocument().createElement(type);
  newChild.appendChild(ownerDocument().createTextNode(name));
  for (int i = 0; i < attributes.length(); i++)
    newChild.setAttribute(attributes[i].first, attributes[i].second);
  appendChild(newChild);
}
