C++ JSObject::className方法代码示例

QVariant KJSEmbed::convertToVariant(KJS::ExecState *exec, KJS::JSValue *value)
{
#ifdef KJSEMBED_VARIANT_DEBUG
    qDebug() << "KJSEmbed::convertToVariant";
#endif

    QVariant returnValue;
    switch (value->type()) {
    case KJS::UndefinedType:
    case KJS::NullType:
        break;
    case KJS::StringType:
        returnValue = toQString(value->toString(exec));
        break;
    case KJS::NumberType:
        returnValue = value->toNumber(exec);
        break;
    case KJS::BooleanType:
        returnValue = value->toBoolean(exec);
        break;
    case KJS::ObjectType: {
        KJS::JSObject *obj = value->toObject(exec);
        //qDebug() << "Object type: " << toQString(obj->className());
        if (toQString(obj->className()) == "Array") {
            if (checkArray(exec, value) == List) {
                returnValue = convertArrayToList(exec, value);
            } else {
                returnValue = convertArrayToMap(exec, value);
            }
        } else if (toQString(obj->className()) == "Date") {
            returnValue = convertDateToDateTime(exec, value);
        } else {
            returnValue = extractVariant(exec, value);
        }
        //if( returnValue.isNull() ) returnValue = toQString(value->toString(exec));
    } break;
    default:
        returnValue = extractVariant(exec, value);
        //if( returnValue.isNull() ) returnValue = toQString(value->toString(exec));
        break;
    }
    return returnValue;
}

bool EventProxy::callHandler( QEvent *e )
{
// Be careful enabling this as if there are a lot of events then the event loop times
// out and the app crashes with 'Alarm Clock'.
//    qDebug("JSObjectEventProxy::callHandler() event type %d" , e->type() );

    KJS::ExecState *exec = m_interpreter->globalExec();
    KJS::Identifier id = JSEventMapper::mapper()->findEventHandler( e->type() );

    KJS::JSObject *jsobj(m_watch);
    KJS::JSObject *fun = jsobj->get(exec, id )->toObject( exec );

    KJS::JSValue *retValue;
    if ( !fun->implementsCall() )
    {
        QString msg = i18n( "Bad event handler: Object %1 Identifier %2 Method %3 Type: %4.",
          jsobj->className().ascii(),
          id.ascii(),
          fun->className().ascii(),
          e->type());
        retValue = throwError(exec, KJS::TypeError, msg);
    }
    else
    {
        // Process args
        KJS::List args;
        args.append( JSEventUtils::event(exec, e) );
        
        // Call handler
        retValue = fun->call( exec, jsobj, args );
    }
    
    if ( exec->hadException() ) 
    {
        if (m_interpreter->shouldPrintExceptions())
        {
            KJS::JSLock lock;
            KJS::JSObject* exceptObj = retValue->toObject(exec);
            QString message = toQString(exceptObj->toString(exec));
            QString sourceURL = toQString(exceptObj->get(exec, "sourceURL")->toString(exec));
            int sourceId = exceptObj->get(exec, "sourceId")->toUInt32(exec);
            int line = exceptObj->get(exec, "line")->toUInt32(exec);
            (*KJSEmbed::conerr()) << i18n("Exception calling '%1' function from %2:%3:%4", id.ascii(), !sourceURL.isEmpty() ? sourceURL : QString::number(sourceId), line, message) << endl;
        }
        
        
        // clear it so it doesn't stop other things
        exec->clearException();
        return false;
    }
  
    return true;
}

QDateTime convertDateToDateTime(KJS::ExecState *exec, KJS::JSValue *value)
{
    KJS::List args;
    QDateTime returnDateTime;
    KJS::JSObject *obj = value->toObject(exec);
    if (toQString(obj->className()) == "Date") {
        int seconds = int(obj->get(exec, KJS::Identifier("getSeconds"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        int minutes = int(obj->get(exec, KJS::Identifier("getMinutes"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        int hours = int(obj->get(exec, KJS::Identifier("getHours"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        int month = int(obj->get(exec, KJS::Identifier("getMonth"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        int day = int(obj->get(exec, KJS::Identifier("getDate"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        int year = int(obj->get(exec, KJS::Identifier("getFullYear"))->toObject(exec)->call(exec, obj, args)->toInteger(exec));
        returnDateTime.setDate(QDate(year, month + 1, day));
        returnDateTime.setTime(QTime(hours, minutes, seconds));
    } else {
        // Throw error
    }

    return returnDateTime;
}

JavaScriptArrayType checkArray(KJS::ExecState *exec, KJS::JSValue *val)
{
    KJS::JSObject *obj = val->toObject(exec);
    if (toQString(obj->className()) == "Array") {
        if (!obj->hasProperty(exec, KJS::Identifier("length"))) {
            return Map;
        }
        KJS::JSValue *jslen = obj->get(exec, KJS::Identifier("length"));
        const int len = jslen->toNumber(exec);
        if (len > 0) {
            QByteArray buff;
            buff.setNum(len - 1);
            if (!obj->hasProperty(exec, KJS::Identifier(buff.data()))) {
                return Map;
            }
        }
        return List;
    } else {
        return None;
    }
}