glc_xmlutil.h

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 http://glc-lib.sourceforge.net

 GLC-lib 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 3 of the License, or
 (at your option) any later version.

 GLC-lib 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 GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

*****************************************************************************/


#ifndef XMLUTIL_H_
#define XMLUTIL_H_
#include <QString>
#include <QXmlStreamWriter>
#include <QXmlStreamReader>
#include <QtDebug>

namespace glcXmlUtil
{
inline bool goToElement(QXmlStreamReader* pReader, const QString& element);

// Return the content of an element
inline QString getContent(QXmlStreamReader* pReader, const QString& element);

inline QString readAttribute(QXmlStreamReader* pReader, const QString& attribute);

inline bool endElementNotReached(QXmlStreamReader* pReader, const QString& element);

inline bool startElementNotReached(QXmlStreamReader* pReader, const QString& element);

inline void goToEndElement(QXmlStreamReader* pReader, const QString& element);

};


bool glcXmlUtil::goToElement(QXmlStreamReader* pReader, const QString& element)
{
        while(!pReader->atEnd() && !(pReader->isStartElement() && (pReader->name() == element)))
        {
                pReader->readNext();
        }
        return !pReader->atEnd();
}

QString glcXmlUtil::getContent(QXmlStreamReader* pReader, const QString& element)
{
        QString content;
        while(endElementNotReached(pReader, element))
        {
                pReader->readNext();
                if (pReader->isCharacters() && !pReader->text().isEmpty())
                {
                        content+= pReader->text().toString();
                }
        }

        return content.trimmed();
}

QString glcXmlUtil::readAttribute(QXmlStreamReader* pReader, const QString& attribute)
{
        return pReader->attributes().value(attribute).toString();
}

bool glcXmlUtil::endElementNotReached(QXmlStreamReader* pReader, const QString& element)
{
        return !pReader->atEnd() && !(pReader->isEndElement() && (pReader->name() == element));
}

bool glcXmlUtil::startElementNotReached(QXmlStreamReader* pReader, const QString& element)
{
        return !pReader->atEnd() && !(pReader->isStartElement() && (pReader->name() == element));
}

void glcXmlUtil::goToEndElement(QXmlStreamReader* pReader, const QString& element)
{
        while(endElementNotReached(pReader, element))
        {
                pReader->readNext();
        }
}

#endif /* XMLUTIL_H_ */