QtObjectFormatter.cpp Example File

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    #include "QtObjectFormatter.hpp"

    #include <iostream>
    #include <stdarg.h>

    #include <QtCore/QDebug>
    #include <QtCore/QMetaType>

    Q_DECLARE_METATYPE(QList<QVariantMap>)

    QtObjectFormatter::QtObjectFormatter()
    {
    }

    void QtObjectFormatter::traverse(const QVariant &value, QString &out) const
    {
        switch (value.type()) {
            case QVariant::Map:
                {
                    const QVariantMap object = value.value<QVariantMap>();
                    QMapIterator<QString, QVariant> it(object);
                    while(it.hasNext()) {
                        it.next();
                        out += it.key();
                        out += ": ";
                        traverse(it.value(), out);
                        out += "\n";
                    }
                }
                break;
            case QVariant::List:
                {
                    const QVariantList list = value.value<QVariantList>();
                    QListIterator<QVariant> it(list);
                    int index = 0;
                    while(it.hasNext()) {
                        QVariant value = it.next();
                        out += "item[";
                        out += QString::number(index++);
                        out += "]:\n";
                        traverse(value, out);
                    }
                    out += "\n";
                }
                break;
            case QVariant::String:
                {
                    out += "\"";
                    out += value.toString();
                    out += "\"";
                }
                break;
            case QVariant::Bool:
                {
                    out += value.toString();
                    out += " (Bool)";
                }
                break;
            case QVariant::Int:
                {
                    out += value.toString();
                    out += " (Int)";
                }
                break;
            case QVariant::Double:
                {
                    out += value.toString();
                    out += " (Double)";
                }
                break;
            case QVariant::LongLong:
                {
                    out += value.toString();
                    out += " (LongLong)";
                }
                break;
            default:
                if (value.canConvert< QList<QVariantMap> >())
                {
                    const QList<QVariantMap> list = value.value< QList<QVariantMap> >();
                    QListIterator<QVariantMap> it(list);
                    int index = 0;
                    while(it.hasNext()) {
                        QVariant value = it.next();
                        out += "item[";
                        out += QString::number(index++);
                        out += "]:\n";
                        traverse(value, out);
                    }
                    out += "\n";
                    break;
                }
                qWarning() << "Unsupported property type: " << value.typeName();
                break;
        }
    }

    QString QtObjectFormatter::asString(const QVariant &value) const
    {
        QString out;
        out.reserve(200);
        traverse(value, out);
        return out;
    }