#include "xmlparamimpl.h"

#include <QFile>


xmlparamimpl::xmlparamimpl(std::string filepath)
{

//    QDomDocument doc("mydocument");

    mbSuc = false;
    QFile file(filepath.data());
    if (!file.open(QIODevice::ReadOnly))
        return;
    if (!mdoc.setContent(&file)) {
        file.close();
        return;
    }
    file.close();

    mbSuc = true;


}

std::string xmlparamimpl::GetParam(std::string paramname, std::string defaultvalue)
{
    std::string strrtn = defaultvalue;

    if(mbSuc == false) return strrtn;
    QDomElement docElem = mdoc.documentElement();

    QDomNode n = docElem.firstChild();
    while(!n.isNull())
    {
        QDomElement e = n.toElement(); // 尝试将节点转换为元素
        if(e.nodeName() == "node")
        {
            QDomNode nodeparam = n.firstChild();
            while(!nodeparam.isNull())
            {
                QDomElement ep = nodeparam.toElement();
                if(ep.attribute("name","  ").toStdString() == paramname)
                {
                    strrtn = ep.attribute("value",defaultvalue.data()).toStdString();
                    return strrtn;
                }
                nodeparam = nodeparam.nextSibling();
            }
            break;
        }

         n = n.nextSibling();
    }

    return strrtn;
}

bool xmlparamimpl::GetParam(std::string paramname, bool bValue)
{
    std::string strdefault = "true";
    if(bValue == false)strdefault = "false";
    std::string strvalue = GetParam(paramname,strdefault);
    if(strvalue == "true")
    {
        return true;
    }
    return false;
}

float xmlparamimpl::GetParam(std::string paramname, float fvalue)
{
    std::string strdef;
    strdef = QString::number(fvalue).toStdString();
    std::string strvalue = GetParam(paramname,strdef);
    return float(atof(strvalue.data()));
}

double xmlparamimpl::GetParam(std::string paramname, double dfvalue)
{
    std::string strdef;
    strdef = QString::number(dfvalue).toStdString();
    std::string strvalue = GetParam(paramname,strdef);
    return atof(strvalue.data());
}

int xmlparamimpl::GetParam(std::string paramname, int ndefaultvalue)
{
    std::string strdef;
    strdef = QString::number(ndefaultvalue).toStdString();
    std::string strvalue = GetParam(paramname,strdef);
    return atoi(strvalue.data());
}