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;
}
QScriptValue ByteArrayClass::toScriptValue(QScriptEngine *eng, const QByteArray &ba) {
QScriptValue ctor = eng->globalObject().property("ByteArray");
ByteArrayClass *cls = qscriptvalue_cast<ByteArrayClass*>(ctor.data());
if (!cls)
return eng->newVariant(QVariant::fromValue(ba));
return cls->newInstance(ba);
}
QScriptValue ByteArrayClass::construct(QScriptContext *ctx, QScriptEngine *) {
ByteArrayClass *cls = qscriptvalue_cast<ByteArrayClass*>(ctx->callee().data());
if (!cls)
return QScriptValue();
QScriptValue arg = ctx->argument(0);
if (arg.instanceOf(ctx->callee()))
return cls->newInstance(qscriptvalue_cast<QByteArray>(arg));
int size = arg.toInt32();
return cls->newInstance(size);
}
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;
}
QScriptValue FilePrototype::newByteArray(const QByteArray &bytes)
{
ByteArrayClass *cls = getByteArrayClass(engine());
return cls ? cls->newInstance(bytes) : engine()->newVariant(QVariant::fromValue(bytes));
}
