layoutexport/main.cpp

This is an example of how to use LayoutImportExport::exportLayout() and the resulting JSON it produces

/*
  This file is part of the KDAB State Machine Editor Library.
 
  SPDX-FileCopyrightText: 2015-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
  Author: Kevin Funk <kevin.funk@kdab.com>
 
  SPDX-License-Identifier: LGPL-2.1-only OR LicenseRef-KDAB-KDStateMachineEditor
 
  Licensees holding valid commercial KDAB State Machine Editor Library
  licenses may use this file in accordance with the KDAB State Machine Editor
  Library License Agreement provided with the Software.
 
  Contact info@kdab.com if any conditions of this licensing are not clear to you.
*/
 
#include "config-examples.h"
 
#include <scxmlimporter.h>
#include <state.h>
#include <layoutimportexport.h>
 
#include <QJsonDocument>
#include <QJsonObject>
#include <QFile>
#include <QScopedPointer>
#include <QTextStream>
 
using namespace KDSME;
 
int main()
{
    QTextStream qErr(stderr);
    QTextStream qOut(stdout);
 
    const QString fileName = TEST_DATA_DIR "/scxml/trafficlight_alternative.scxml";
    QFile file(fileName);
    if (!file.exists()) {
        qErr << "File does not exist:" << file.fileName();
        return 1;
    }
 
    Q_ASSERT(file.open(QIODevice::ReadOnly));
    ScxmlImporter parser(file.readAll());
    QScopedPointer<StateMachine> machine(parser.import());
    Q_ASSERT(machine);
 
    const QJsonDocument layout(LayoutImportExport::exportLayout(machine.data()));
    qOut << "Layout in JSON format";
    qOut << layout.toJson();
 
    return 0;
}