示例#1
0
文件: main.cpp 项目: Andreas665/qt
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;
}
示例#2
0
int main(int argc, char *argv[])
{
    QApplication *app;
    if (argc >= 2 && !qstrcmp(argv[1], "-tty")) {
        ++argv;
       --argc;
        app = new QApplication(argc, argv, QApplication::Tty);
    } else {
        app = new QApplication(argc, argv);
    }

    QScriptEngine *eng = new QScriptEngine();

    QScriptValue globalObject = eng->globalObject();

    globalObject.setProperty("load", eng->newFunction(loadScripts, /*length=*/1));

    {
        if (!globalObject.property("qt").isObject())
            globalObject.setProperty("qt", eng->newObject());            
        QScriptValue qscript = eng->newObject();
        qscript.setProperty("importExtension", eng->newFunction(importExtension));
        globalObject.property("qt").setProperty("script", qscript);
    }

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

    if (! *++argv) {
        interactive(eng);
        return EXIT_SUCCESS;
    }

    while (const char *arg = *argv++) {
        QString fn = QString::fromLocal8Bit(arg);

        if (fn == QLatin1String("-i")) {
            interactive(eng);
            break;
        }

        QString contents;
        int lineNumber = 1;

        if (fn == QLatin1String("-")) {
            QTextStream stream(stdin, QFile::ReadOnly);
            contents = stream.readAll();
        }

        else {
            QFile file(fn);

            if (file.open(QFile::ReadOnly)) {
                QTextStream stream(&file);
                contents = stream.readAll();
                file.close();

                // strip off #!/usr/bin/env qscript line
                if (contents.startsWith("#!")) {
                    contents.remove(0, contents.indexOf("\n"));
                    ++lineNumber;
                }
            }
        }

        if (contents.isEmpty())
            continue;

        QScriptValue r = eng->evaluate(contents, fn, lineNumber);
        if (eng->hasUncaughtException()) {
            QStringList backtrace = eng->uncaughtExceptionBacktrace();
            fprintf (stderr, "    %s\n%s\n\n", qPrintable(r.toString()),
                     qPrintable(backtrace.join("\n")));
            return EXIT_FAILURE;
        }
    }

    delete eng;
    delete app;

    return EXIT_SUCCESS;
}