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    #ifndef JSONHELPER_H
    #define JSONHELPER_H
    
    #include <QJsonObject>
    #include <QJsonDocument>
    #include <QJsonParseError>
    #include <QJsonArray>
    #include <QVector>
    
    
    /*
     * QVector<QString> <-> QStringList
     */
    QVector<QString> toQVector(const QStringList & qsl);
    QStringList toQStringList(const QVector<QString> & V);
    
    /*
     * Einfache Datentypen
     */
    template<class T>
    void toJSON(QJsonObject & jsonObj, const QString &ParameterName, T value) { // C-b-R
        jsonObj[ParameterName] = value;
    }
    
    QJsonValue fromJSON(const QJsonObject & jsonObj, const QString &ParameterName);
    
    
    /*
     * Containers, e.g. QVector of class
     */
    template<template <typename> class CONTAINER, typename T>
    void toJSON(QJsonObject & jsonObj, const QString &ParameterName, CONTAINER<T> V) { // C-b-R
        toJSON(jsonObj, ParameterName+".size", V.size());
    
        for (int i=0; i<V.size(); i++) {
            V.at(i).toJSON(jsonObj, ParameterName+QString::number(i));
    //        toJSON(jsonObj, ParameterName+QString::number(i), V.at(i));
        }
    }
    
    /*
     * Containers, e.g. QVector of standard types
     */
    template<template <typename> class CONTAINER, typename T>
    void toJSONstd(QJsonObject & jsonObj, const QString &ParameterName, CONTAINER<T> V) { // C-b-R
        toJSON(jsonObj, ParameterName+".size", V.size());
    
        for (int i=0; i<V.size(); i++) {
    //        V.at(i).toJSON(jsonObj, ParameterName+QString::number(i));
            toJSON(jsonObj, ParameterName+QString::number(i), V.at(i));
        }
    }
    
    
    void toJSONtable(QJsonObject & jsonObj, const QString &ParameterName, const QVector<QStringList> &V);
    QVector<QString> fromJSONqstr(const QJsonObject & jsonObj, const QString &ParameterName);
    QVector<QStringList> fromJSONtable(const QJsonObject & jsonObj, const QString &ParameterName);
    
    
    
    
    /*
     *
     */
    template<template <typename> class CONTAINER, typename T>
    CONTAINER<T> fromJSON(const QJsonObject & jsonObj, const QString &ParameterName) {
        int size = fromJSON(jsonObj, ParameterName+".size").toInt();
    
        CONTAINER<T> V;
    
        for (int i=0; i<size; i++)
            V.push_back(T(jsonObj, ParameterName+QString::number(i)));
    
        return  V;
    }
    
    
    
    #endif // JSONHELPER_H