xmlutils.hpp

#ifndef XMLUTILS_HPP
#define XMLUTILS_HPP

#include <QDomNode>
#include <QDomElement>

// XML helper functions
QString nodeAttribute(QDomNode node, QString route, QString defaultval);
bool nodeAttributeBoolean(QDomNode node, QString route, bool defaultval, bool* formatok = NULL);

template <typename Type>
Type nodeAttributeNumber(QDomNode node, QString route, Type defaultval, bool negativesallowed, bool* formatok)
{
    double  retval;
    bool    formatok_internal;

    QString attvalue = nodeAttribute(node, route, QString::number(defaultval));

    if(attvalue.endsWith('%'))  // To make sure it accepts a "%" symbol at the end (we are talking about percentages after all...)
        attvalue.chop(1);

    retval = attvalue.toDouble(&formatok_internal);

    if(!formatok_internal)
        retval = defaultval;

    if(formatok != NULL)
        *formatok = formatok_internal;

    if(!negativesallowed && retval < 0.0)
    {
        retval = defaultval;
        if(formatok != NULL)
            *formatok = false;
    }

    return static_cast<Type>(retval);
}

#endif // XMLUTILS_HPP