Qt Reference Documentation

# main.cpp Example File

script/customclass/main.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
     ** All rights reserved.
     ** Contact: Nokia Corporation (qt-info@nokia.com)
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     ** This file is part of the examples of the Qt Toolkit.
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     ** You may use this file under the terms of the BSD license as follows:
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     #include <QtScript>
     #include "bytearrayclass.h"

     int main(int argc, char **argv)
     {
         QCoreApplication app(argc, argv);

         QScriptEngine eng;

         ByteArrayClass *baClass = new ByteArrayClass(&eng);
         eng.globalObject().setProperty("ByteArray", baClass->constructor());

         qDebug() << "ba = new ByteArray(4):" << eng.evaluate("ba = new ByteArray(4)").toString();
         qDebug() << "ba instanceof ByteArray:" << eng.evaluate("ba instanceof ByteArray").toBool();
         qDebug() << "ba.length:" << eng.evaluate("ba.length").toNumber();
         qDebug() << "ba[1] = 123; ba[1]:" << eng.evaluate("ba[1] = 123; ba[1]").toNumber();
         qDebug() << "ba[7] = 224; ba.length:" << eng.evaluate("ba[7] = 224; ba.length").toNumber();
         qDebug() << "for-in loop:" << eng.evaluate("result = '';\n"
                                                    "for (var p in ba) {\n"
                                                    "  if (result.length > 0)\n"
                                                    "    result += ', ';\n"
                                                    "  result += '(' + p + ',' + ba[p] + ')';\n"
                                                    "} result").toString();
         qDebug() << "ba.toBase64():" << eng.evaluate("b64 = ba.toBase64()").toString();
         qDebug() << "ba.toBase64().toLatin1String():" << eng.evaluate("b64.toLatin1String()").toString();
         qDebug() << "ba.valueOf():" << eng.evaluate("ba.valueOf()").toString();
         qDebug() << "ba.chop(2); ba.length:" << eng.evaluate("ba.chop(2); ba.length").toNumber();
         qDebug() << "ba2 = new ByteArray(ba):" << eng.evaluate("ba2 = new ByteArray(ba)").toString();
         qDebug() << "ba2.equals(ba):" << eng.evaluate("ba2.equals(ba)").toBool();
         qDebug() << "ba2.equals(new ByteArray()):" << eng.evaluate("ba2.equals(new ByteArray())").toBool();

         return 0;
     }