/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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**     notice, this list of conditions and the following disclaimer.
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**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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**     contributors may be used to endorse or promote products derived
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#include <QtCore/QTextStream>
#include <QtGui/QGuiApplication>
#include <QtQml/QQmlApplicationEngine>
#include <QtQuick/QQuickItem>

static bool parseArgs(QStringList& args, QVariantMap& parameters)
{

    while (!args.isEmpty()) {

        QString param = args.takeFirst();

        if (param.startsWith("--help")) {
            QTextStream out(stdout);
            out << "Usage: " << endl;
            out << "--plugin.<parameter_name> <parameter_value>    -  Sets parameter = value for plugin" << endl;
            out.flush();
            return true;
        }

        if (param.startsWith("--plugin.")) {

            param.remove(0, 9);

            if (args.isEmpty() || args.first().startsWith("--")) {
                parameters[param] = true;
            } else {

                QString value = args.takeFirst();

                if (value == "true" || value == "on" || value == "enabled") {
                    parameters[param] = true;
                } else if (value == "false" || value == "off"
                           || value == "disable") {
                    parameters[param] = false;
                } else {
                    parameters[param] = value;
                }
            }
        }
    }
    return false;
}

int main(int argc, char *argv[])
{
    QGuiApplication application(argc, argv);

    QVariantMap parameters;
    QStringList args(QCoreApplication::arguments());

    if (parseArgs(args, parameters))
        return 0;
    if (!args.contains(QStringLiteral("osm.useragent")))
        parameters[QStringLiteral("osm.useragent")] = QStringLiteral("QtLocation Mapviewer example");

    QQmlApplicationEngine engine;
    engine.addImportPath(QStringLiteral(":/imports"));
    engine.load(QUrl(QStringLiteral("qrc:///mapviewer.qml")));
    QObject::connect(&engine, SIGNAL(quit()), qApp, SLOT(quit()));

    QObject *item = engine.rootObjects().first();
    Q_ASSERT(item);

    QMetaObject::invokeMethod(item, "initializeProviders",
                              Q_ARG(QVariant, QVariant::fromValue(parameters)));

    return application.exec();
}
