Revision control
++ // Copyright (C) 2017 Ford Motor Company
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:critical reason:data-parser
++
++ #include "qremoteobjectsource.h"
++ #include "qremoteobjectsource_p.h"
++ #include "qremoteobjectnode.h"
++ #include "qremoteobjectdynamicreplica.h"
++
++ #include "qconnectionfactories_p.h"
++ #include "qremoteobjectsourceio_p.h"
++ #include "qremoteobjectabstractitemmodeladapter_p.h"
++
++ #include <QtCore/qmetaobject.h>
++ #include <QtCore/qvarlengtharray.h>
++ #include <QtCore/qabstractitemmodel.h>
++
++ #include <algorithm>
++ #include <iterator>
++
++ QT_BEGIN_NAMESPACE
++
++ using namespace QRemoteObjectPackets;
++ using namespace QRemoteObjectStringLiterals;
++
++ const int QRemoteObjectSourceBase::qobjectPropertyOffset = QObject::staticMetaObject.propertyCount();
++ const int QRemoteObjectSourceBase::qobjectMethodOffset = QObject::staticMetaObject.methodCount();
++ static const QByteArray s_classinfoRemoteobjectSignature(QCLASSINFO_REMOTEOBJECT_SIGNATURE);
++
++ namespace QtPrivate {
++
++ // The stringData, methodMatch and QMetaObjectPrivate methods are modified versions of the code
++ // from qmetaobject_p.h/qmetaobject.cpp. The modifications are based on our custom need to match
++ // a method name that comes from the .rep file.
++ // The QMetaObjectPrivate struct should only have members appended to maintain binary compatibility,
++ // so we should be fine with only the listed version with the fields we use.
++ inline const QByteArray apiStringData(const QMetaObject *mo, int index)
++ {
++ uint offset = mo->d.stringdata[2*index];
++ uint length = mo->d.stringdata[2*index + 1];
++ const char *string = reinterpret_cast<const char *>(mo->d.stringdata) + offset;
++ return QByteArray::fromRawData(string, length);
++ }
++
++
++ // From QMetaMethod in qmetaobject.h
++ struct Data {
++ enum { Size = 6 };
++
++ uint name() const { return d[0]; }
++ uint argc() const { return d[1]; }
++ uint parameters() const { return d[2]; }
++ uint tag() const { return d[3]; }
++ uint flags() const { return d[4]; }
++ uint metaTypeOffset() const { return d[5]; }
++ bool operator==(const Data &other) const { return d == other.d; }
++
++ const uint *d;
++ };
++
++ inline bool apiMethodMatch(const QMetaObject *m, const Data &data, const QByteArray &name, int argc,
++ const int *types)
++ {
++ if (data.argc() != uint(argc))
++ return false;
++ if (apiStringData(m, data.name()) != name)
++ return false;
++ for (int i = 0; i < argc; ++i) {
++ auto mt = QMetaType(m->d.metaTypes[data.metaTypeOffset() + i + 1]);
++ if (mt != QMetaType(types[i]))
++ return false;
++ }
++ return true;
++ }
++
++ struct QMetaObjectPrivate
++ {
++ // revision 7 is Qt 5.0 everything lower is not supported
++ // revision 8 is Qt 5.12: It adds the enum name to QMetaEnum
++ enum { OutputRevision = 8 }; // Used by moc, qmetaobjectbuilder and qdbus
++
++ int revision;
++ int className;
++ int classInfoCount, classInfoData;
++ int methodCount, methodData;
++ int propertyCount, propertyData;
++ int enumeratorCount, enumeratorData;
++ int constructorCount, constructorData;
++ int flags;
++ int signalCount;
++ };
++
++ inline Data fromRelativeMethodIndex(const QMetaObject *mobj, int index)
++ {
++ const auto priv = reinterpret_cast<const QMetaObjectPrivate*>(mobj->d.data);
++ return { mobj->d.data + priv->methodData + index * Data::Size };
++ }
++
++ int qtro_method_index_impl(const QMetaObject * staticMetaObj, const char *className,
++ const char *methodName, int *count, int const **types)
++ {
++ int result = staticMetaObj->indexOfMethod(methodName);
++ if (result >= 0)
++ return result;
++ // We can have issues, specifically with enums, since the compiler can infer the class. Since
++ // indexOfMethod() is doing string comparisons for registered types, "MyEnum" and "MyClass::MyEnum"
++ // won't match.
++ // Below is similar to QMetaObject->indexOfMethod, but template magic has already matched parameter
++ // types, so we need to find a match for the API method name + parameters. Neither approach works
++ // 100%, as the below code doesn't match a parameter of type "size_t" (which the template match
++ // identifies as "ulong"). These subtleties can cause the below string comparison fails.
++ // There is no known case that would fail both methods.
++ // TODO: is there a way to make this a constexpr so a failure is detected at compile time?
++ int nameLength = strchr(methodName, '(') - methodName;
++ const auto name = QByteArray::fromRawData(methodName, nameLength);
++ for (const QMetaObject *m = staticMetaObj; m; m = m->d.superdata) {
++ const auto priv = reinterpret_cast<const QMetaObjectPrivate*>(m->d.data);
++ int i = (priv->methodCount - 1);
++ const int end = priv->signalCount;
++ for (; i >= end; --i) {
++ const Data data = fromRelativeMethodIndex(m, i);
++ if (apiMethodMatch(m, data, name, *count, *types))
++ return i + m->methodOffset();
++ }
++ }
++ qWarning() << "No matching method for" << methodName << "in the provided metaclass" << className;
++ return -1;
++ }
++
++ } // namespace QtPrivate
++
++ QByteArray QtPrivate::qtro_enum_signature_impl(const QMetaObject &mo, const char *enumName)
++ {
++ const auto qme = mo.enumerator(mo.indexOfEnumerator(enumName));
++ return QByteArrayView(qme.scope()) % "::" % qme.name();
++ }
++
++ QByteArray QtPrivate::qtro_classinfo_signature(const QMetaObject *metaObject)
++ {
++ if (!metaObject)
++ return QByteArray{};
++
++ for (int i = metaObject->classInfoOffset(); i < metaObject->classInfoCount(); ++i) {
++ auto ci = metaObject->classInfo(i);
++ if (s_classinfoRemoteobjectSignature == ci.name())
++ return ci.value();
++ }
++ return QByteArray{};
++ }
++
++ inline bool qtro_is_cloned_method(const QMetaObject *mobj, int index)
++ {
++ int local_method_index = index - mobj->methodOffset();
++ if (local_method_index < 0 && mobj->superClass())
++ return qtro_is_cloned_method(mobj->superClass(), index);
++ const QtPrivate::Data data = QtPrivate::fromRelativeMethodIndex(mobj, local_method_index);
++ if (data.flags() & 0x20 /*MethodFlags::MethodCloned*/)
++ return true;
++ return false;
++ }
++
++ SourceApiMap::~SourceApiMap()
++ = default;
++
++ QRemoteObjectSourceBase::QRemoteObjectSourceBase(QObject *obj, Private *d, const SourceApiMap *api,
++ QObject *adapter)
++ : QObject(obj),
++ m_object(obj),
++ m_adapter(adapter),
++ m_api(api),
++ d(d)
++ {
++ if (!obj) {
++ qCWarning(QT_REMOTEOBJECT) << "QRemoteObjectSourceBase: Cannot replicate a NULL object" << m_api->name();
++ return;
++ }
++
++ setConnections();
++
++ const auto nChildren = api->m_models.size() + api->m_subclasses.size();
++ if (nChildren > 0) {
++ QList<int> roles;
++ const int numProperties = api->propertyCount();
++ int modelIndex = 0, subclassIndex = 0;
++ for (int i = 0; i < numProperties; ++i) {
++ if (api->isAdapterProperty(i))
++ continue;
++ const int index = api->sourcePropertyIndex(i);
++ const auto property = m_object->metaObject()->property(index);
++ const auto metaType = property.metaType();
++ if (metaType.flags().testFlag(QMetaType::PointerToQObject)) {
++ auto propertyMeta = metaType.metaObject();
++ QObject *child = property.read(m_object).value<QObject *>();
++ const QMetaObject *meta = child ? child->metaObject() : propertyMeta;
++ if (!meta)
++ continue;
++ if (meta->inherits(&QAbstractItemModel::staticMetaObject)) {
++ const auto modelInfo = api->m_models.at(modelIndex++);
++ QAbstractItemModel *model = qobject_cast<QAbstractItemModel *>(child);
++ QAbstractItemAdapterSourceAPI<QAbstractItemModel, QAbstractItemModelSourceAdapter> *modelApi =
++ new QAbstractItemAdapterSourceAPI<QAbstractItemModel, QAbstractItemModelSourceAdapter>(modelInfo.name);
++ if (!model)
++ m_children.insert(i, new QRemoteObjectSource(nullptr, d, modelApi, nullptr, api->name()));
++ else {
++ roles.clear();
++ const auto knownRoles = model->roleNames();
++ const auto modelInfoRoles = modelInfo.roles.split('|');
++ for (const auto &role : modelInfoRoles) {
++ if (role.isEmpty())
++ continue;
++ const int roleIndex = knownRoles.key(role, -1);
++ if (roleIndex == -1) {
++ qCWarning(QT_REMOTEOBJECT) << "Invalid role" << role << "for model" << model->metaObject()->className();
++ qCWarning(QT_REMOTEOBJECT) << " known roles:" << knownRoles;
++ } else
++ roles << roleIndex;
++ }
++ auto adapter = new QAbstractItemModelSourceAdapter(model, nullptr,
++ roles.isEmpty() ? knownRoles.keys().toVector() : roles);
++ m_children.insert(i, new QRemoteObjectSource(model, d, modelApi, adapter, api->name()));
++ }
++ } else {
++ const auto classApi = api->m_subclasses.at(subclassIndex++);
++ m_children.insert(i, new QRemoteObjectSource(child, d, classApi, nullptr, api->name()));
++ }
++ }
++ }
++ }
++ }
++
++ QRemoteObjectSource::QRemoteObjectSource(QObject *obj, Private *dd, const SourceApiMap *api, QObject *adapter, const QString &parentName)
++ : QRemoteObjectSourceBase(obj, dd, api, adapter)
++ , m_name(api->typeName() == QLatin1String("QAbstractItemModelAdapter") ? MODEL().arg(parentName + QLatin1String("::") + api->name()) :
++ CLASS().arg(parentName + QLatin1String("::") + api->name()))
++ {
++ if (obj)
++ d->m_sourceIo->registerSource(this);
++ }
++
++ QRemoteObjectRootSource::QRemoteObjectRootSource(QObject *obj, const SourceApiMap *api,
++ QObject *adapter, QRemoteObjectSourceIo *sourceIo)
++ : QRemoteObjectSourceBase(obj, new Private(sourceIo, this), api, adapter)
++ , m_name(api->name())
++ {
++ d->m_sourceIo->registerSource(this);
++ }
++
++ QRemoteObjectSourceBase::~QRemoteObjectSourceBase()
++ {
++ delete m_api;
++ }
++
++ void QRemoteObjectSourceBase::setConnections()
++ {
++ const QMetaObject *meta = m_object->metaObject();
++
++ const int index = meta->indexOfClassInfo(QCLASSINFO_REMOTEOBJECT_TYPE);
++ if (index != -1) { //We have an object created from repc or at least with QCLASSINFO defined
++ while (true) {
++ Q_ASSERT(meta->superClass()); //This recurses to QObject, which doesn't have QCLASSINFO_REMOTEOBJECT_TYPE
++ if (index != meta->superClass()->indexOfClassInfo(QCLASSINFO_REMOTEOBJECT_TYPE)) //At the point we don't find the same QCLASSINFO_REMOTEOBJECT_TYPE,
++ //we have the metaobject we should work from
++ break;
++ meta = meta->superClass();
++ }
++ }
++
++ for (int idx = 0; idx < m_api->signalCount(); ++idx) {
++ const int sourceIndex = m_api->sourceSignalIndex(idx);
++ const bool isAdapter = m_api->isAdapterSignal(idx);
++ const auto targetMeta = isAdapter ? m_adapter->metaObject() : meta;
++
++ // don't connect cloned signals, or we end up with multiple emissions
++ if (qtro_is_cloned_method(targetMeta, sourceIndex))
++ continue;
++ // This basically connects the parent Signals (note, all dynamic properties have onChange
++ //notifications, thus signals) to us. Normally each Signal is mapped to a unique index,
++ //but since we are forwarding them all, we keep the offset constant.
++ //
++ //We know no one will inherit from this class, so no need to worry about indices from
++ //derived classes.
++ const auto target = isAdapter ? m_adapter : m_object;
++ if (!QMetaObject::connect(target, sourceIndex, this, QRemoteObjectSource::qobjectMethodOffset+idx, Qt::DirectConnection, nullptr)) {
++ qCWarning(QT_REMOTEOBJECT) << "QRemoteObjectSourceBase: QMetaObject::connect returned false. Unable to connect.";
++ return;
++ }
++
++ qCDebug(QT_REMOTEOBJECT) << "Connection made" << idx << sourceIndex
++ << targetMeta->method(sourceIndex).name();
++ }
++ }
++
++ void QRemoteObjectSourceBase::resetObject(QObject *newObject)
++ {
++ if (m_object)
++ m_object->disconnect(this);
++ if (m_adapter) {
++ m_adapter->disconnect(this);
++ delete m_adapter;
++ m_adapter = nullptr;
++ }
++ // We need some dynamic replica specific code here, in case an object had null sub-classes that
++ // have been replaced with real objects. In this case, the ApiMap could be wrong and need updating.
++ if (newObject && qobject_cast<QRemoteObjectDynamicReplica *>(newObject) && m_api->isDynamic()) {
++ auto api = static_cast<const DynamicApiMap*>(m_api);
++ if (api->m_properties[0] == 0) { // 0 is an index into QObject itself, so this isn't a valid QtRO index
++ const auto rep = qobject_cast<QRemoteObjectDynamicReplica *>(newObject);
++ auto tmp = m_api;
++ m_api = new DynamicApiMap(newObject, rep->metaObject(), api->m_name, QLatin1String(rep->metaObject()->className()));
++ qCDebug(QT_REMOTEOBJECT) << " Reset m_api for" << api->m_name << "using new metaObject:" << rep->metaObject()->className();
++ delete tmp;
++ }
++ }
++
++ m_object = newObject;
++ auto model = qobject_cast<QAbstractItemModel *>(newObject);
++ if (model) {
++ d->m_sourceIo->registerSource(this);
++ m_adapter = new QAbstractItemModelSourceAdapter(model, nullptr, model->roleNames().keys().toVector());
++ }
++
++ setParent(newObject);
++ if (newObject)
++ setConnections();
++
++ const auto nChildren = m_api->m_models.size() + m_api->m_subclasses.size();
++ if (nChildren == 0)
++ return;
++
++ if (!newObject) {
++ for (const auto &child : std::as_const(m_children))
++ child->resetObject(nullptr);
++ return;
++ }
++
++ for (const auto &[i, val] : std::as_const(m_children).asKeyValueRange()) {
++ const int index = m_api->sourcePropertyIndex(i);
++ const auto property = m_object->metaObject()->property(index);
++ QObject *child = property.read(m_object).value<QObject *>();
++ val->resetObject(child);
++ }
++ }
++
++ QRemoteObjectSource::~QRemoteObjectSource()
++ {
++ for (const auto &it : std::as_const(m_children)) {
++ // We used QPointers for m_children because we don't control the lifetime of child QObjects
++ // Since the this/source QObject's parent is the referenced QObject, it could have already
++ // been deleted
++ delete it.data();
++ }
++ }
++
++ QRemoteObjectRootSource::~QRemoteObjectRootSource()
++ {
++ for (const auto &it : std::as_const(m_children)) {
++ // We used QPointers for m_children because we don't control the lifetime of child QObjects
++ // Since the this/source QObject's parent is the referenced QObject, it could have already
++ // been deleted
++ delete it.data();
++ }
++ d->m_sourceIo->unregisterSource(this);
++ // removeListener tries to modify d->m_listeners, this is O(N²),
++ // so clear d->m_listeners prior to calling unregister (consume loop).
++ // We can do this, because we don't care about the return value of removeListener() here.
++ const auto listeners = std::exchange(d->m_listeners, {});
++ for (QtROIoDeviceBase *io : listeners) {
++ removeListener(io, true);
++ }
++ delete d;
++ }
++
++ QVariantList* QRemoteObjectSourceBase::marshalArgs(int index, void **a)
++ {
++ QVariantList &list = m_marshalledArgs;
++ int N = m_api->signalParameterCount(index);
++ if (N == 1 && QMetaType(m_api->signalParameterType(index, 0)).flags().testFlag(QMetaType::PointerToQObject))
++ N = 0; // Don't try to send pointers, the will be handle by QRO_
++ if (list.size() < N)
++ list.reserve(N);
++ const int minFill = std::min(int(list.size()), N);
++ for (int i = 0; i < minFill; ++i) {
++ const int type = m_api->signalParameterType(index, i);
++ if (type == QMetaType::QVariant)
++ list[i] = *reinterpret_cast<QVariant *>(a[i + 1]);
++ else
++ list[i] = QVariant(QMetaType(type), a[i + 1]);
++ }
++ for (int i = int(list.size()); i < N; ++i) {
++ const int type = m_api->signalParameterType(index, i);
++ if (type == QMetaType::QVariant)
++ list << *reinterpret_cast<QVariant *>(a[i + 1]);
++ else
++ list << QVariant(QMetaType(type), a[i + 1]);
++ }
++ if (list.size() > N)
++ list.resize(N);
++ return &m_marshalledArgs;
++ }
++
++ bool QRemoteObjectSourceBase::invoke(QMetaObject::Call c, int index, const QVariantList &args, QVariant* returnValue)
++ {
++ int status = -1;
++ int flags = 0;
++ bool forAdapter = (c == QMetaObject::InvokeMetaMethod ? m_api->isAdapterMethod(index) : m_api->isAdapterProperty(index));
++ int resolvedIndex = (c == QMetaObject::InvokeMetaMethod ? m_api->sourceMethodIndex(index) : m_api->sourcePropertyIndex(index));
++ if (resolvedIndex < 0)
++ return false;
++ QVarLengthArray<void*, 10> param(args.size() + 1);
++
++ if (c == QMetaObject::InvokeMetaMethod) {
++ QMetaMethod method;
++ if (!forAdapter)
++ method = parent()->metaObject()->method(resolvedIndex);
++
++ if (returnValue) {
++ if (!forAdapter && method.isValid() && method.returnType() == QMetaType::QVariant)
++ param[0] = const_cast<void*>(reinterpret_cast<const void*>(returnValue));
++ else
++ param[0] = returnValue->data();
++ } else {
++ param[0] = nullptr;
++ }
++
++ auto argument = [&](int i) -> void * {
++ if ((forAdapter && m_api->methodParameterType(index, i) == QMetaType::QVariant) ||
++ (method.isValid() && method.parameterType(i) == QMetaType::QVariant)) {
++ return const_cast<void*>(reinterpret_cast<const void*>(&args.at(i)));
++ }
++ return const_cast<void*>(args.at(i).data());
++ };
++
++ for (int i = 0; i < args.size(); ++i) {
++ param[i + 1] = argument(i);
++ }
++ } else if (c == QMetaObject::WriteProperty || c == QMetaObject::ReadProperty) {
++ bool isQVariant = !forAdapter && parent()->metaObject()->property(resolvedIndex).userType() == QMetaType::QVariant;
++ for (int i = 0; i < args.size(); ++i) {
++ if (isQVariant)
++ param[i] = const_cast<void*>(reinterpret_cast<const void*>(&args.at(i)));
++ else
++ param[i] = const_cast<void*>(args.at(i).data());
++ }
++ if (c == QMetaObject::WriteProperty) {
++ Q_ASSERT(param.size() == 2); // for return-value and setter value
++ // check QMetaProperty::write for an explanation of these
++ param.append(&status);
++ param.append(&flags);
++ }
++ } else {
++ // Better safe than sorry
++ return false;
++ }
++ int r = -1;
++ if (forAdapter)
++ r = m_adapter->qt_metacall(c, resolvedIndex, param.data());
++ else
++ r = parent()->qt_metacall(c, resolvedIndex, param.data());
++ return r == -1 && status == -1;
++ }
++
++ void QRemoteObjectSourceBase::handleMetaCall(int index, QMetaObject::Call call, void **a)
++ {
++ if (d->m_listeners.empty())
++ return;
++
++ int propertyIndex = m_api->propertyIndexFromSignal(index);
++ if (propertyIndex >= 0) {
++ const int internalIndex = m_api->propertyRawIndexFromSignal(index);
++ const auto target = m_api->isAdapterProperty(internalIndex) ? m_adapter : m_object;
++ const QMetaProperty mp = target->metaObject()->property(propertyIndex);
++ qCDebug(QT_REMOTEOBJECT) << "Sending Invoke Property" << (m_api->isAdapterSignal(internalIndex) ? "via adapter" : "") << internalIndex << propertyIndex << mp.name() << mp.read(target);
++
++ d->codec->serializePropertyChangePacket(this, index);
++ propertyIndex = internalIndex;
++ }
++
++ qCDebug(QT_REMOTEOBJECT) << "# Listeners" << d->m_listeners.size();
++ qCDebug(QT_REMOTEOBJECT) << "Invoke args:" << m_object
++ << (call == 0 ? QLatin1String("InvokeMetaMethod") : QStringLiteral("Non-invoked call: %d").arg(call))
++ << m_api->signalSignature(index) << *marshalArgs(index, a);
++
++ d->codec->serializeInvokePacket(name(), call, index, *marshalArgs(index, a), -1, propertyIndex);
++
++ d->codec->send(d->m_listeners);
++ }
++
++ void QRemoteObjectRootSource::addListener(QtROIoDeviceBase *io, bool dynamic)
++ {
++ d->m_listeners.append(io);
++ d->isDynamic = d->isDynamic || dynamic;
++
++ if (dynamic) {
++ d->sentTypes.clear();
++ d->codec->serializeInitDynamicPacket(this);
++ d->codec->send(io);
++ } else {
++ d->codec->serializeInitPacket(this);
++ d->codec->send(io);
++ }
++ }
++
++ int QRemoteObjectRootSource::removeListener(QtROIoDeviceBase *io, bool shouldSendRemove)
++ {
++ d->m_listeners.removeAll(io);
++ if (shouldSendRemove)
++ {
++ d->codec->serializeRemoveObjectPacket(m_api->name());
++ d->codec->send(io);
++ }
++ return int(d->m_listeners.size());
++ }
++
++ int QRemoteObjectSourceBase::qt_metacall(QMetaObject::Call call, int methodId, void **a)
++ {
++ methodId = QObject::qt_metacall(call, methodId, a);
++ if (methodId < 0)
++ return methodId;
++
++ if (call == QMetaObject::InvokeMetaMethod)
++ handleMetaCall(methodId, call, a);
++
++ return -1;
++ }
++
++ DynamicApiMap::DynamicApiMap(QObject *object, const QMetaObject *metaObject, const QString &name, const QString &typeName)
++ : m_name(name),
++ m_typeName(typeName),
++ m_metaObject(metaObject),
++ m_cachedMetamethodIndex(-1)
++ {
++ m_enumOffset = metaObject->enumeratorOffset();
++ m_enumCount = metaObject->enumeratorCount() - m_enumOffset;
++
++ const int propCount = metaObject->propertyCount();
++ const int propOffset = metaObject->propertyOffset();
++ m_properties.reserve(propCount-propOffset);
++ QSet<int> invalidSignals;
++ for (int i = propOffset; i < propCount; ++i) {
++ const QMetaProperty property = metaObject->property(i);
++ const auto metaType = property.metaType();
++ if (metaType.flags().testFlag(QMetaType::PointerToQObject)) {
++ auto propertyMeta = metaType.metaObject();
++ QObject *child = property.read(object).value<QObject *>();
++ const QMetaObject *meta = child ? child->metaObject() : propertyMeta;
++ if (!meta) {
++ const int notifyIndex = metaObject->property(i).notifySignalIndex();
++ if (notifyIndex != -1)
++ invalidSignals << notifyIndex;
++ continue;
++ }
++ if (meta->inherits(&QAbstractItemModel::staticMetaObject)) {
++ const QByteArray name = QByteArray::fromRawData(property.name(),
++ qsizetype(qstrlen(property.name())));
++ const QByteArray infoName = name.toUpper() + QByteArrayLiteral("_ROLES");
++ const int infoIndex = metaObject->indexOfClassInfo(infoName.constData());
++ QByteArray roleInfo;
++ if (infoIndex >= 0) {
++ auto ci = metaObject->classInfo(infoIndex);
++ roleInfo = QByteArray::fromRawData(ci.value(), qsizetype(qstrlen(ci.value())));
++ }
++ m_models << ModelInfo({qobject_cast<QAbstractItemModel *>(child),
++ QString::fromLatin1(property.name()),
++ roleInfo});
++ } else {
++ QString typeName = QtRemoteObjects::getTypeNameAndMetaobjectFromClassInfo(meta);
++ if (typeName.isNull()) {
++ typeName = QString::fromLatin1(meta->className());
++ if (typeName.contains(QLatin1String("QQuick")))
++ typeName.remove(QLatin1String("QQuick"));
++ else if (int index = typeName.indexOf(QLatin1String("_QMLTYPE_")))
++ typeName.truncate(index);
++ // TODO better way to ensure we have consistent typenames between source/replicas?
++ else if (typeName.endsWith(QLatin1String("Source")))
++ typeName.chop(6);
++ }
++
++ m_subclasses << new DynamicApiMap(child, meta, QString::fromLatin1(property.name()), typeName);
++ }
++ }
++ m_properties << i;
++ const int notifyIndex = metaObject->property(i).notifySignalIndex();
++ if (notifyIndex != -1) {
++ m_signals << notifyIndex;
++ m_propertyAssociatedWithSignal.append(i-propOffset);
++ //The starting values of _signals will be the notify signals
++ //So if we are processing _signal with index i, api->sourcePropertyIndex(_propertyAssociatedWithSignal.at(i))
++ //will be the property that changed. This is only valid if i < _propertyAssociatedWithSignal.size().
++ }
++ }
++ const int methodCount = metaObject->methodCount();
++ const int methodOffset = metaObject->methodOffset();
++ for (int i = methodOffset; i < methodCount; ++i) {
++ const QMetaMethod mm = metaObject->method(i);
++ const QMetaMethod::MethodType m = mm.methodType();
++ if (m == QMetaMethod::Signal) {
++ if (m_signals.indexOf(i) >= 0) // Already added as a property notifier
++ continue;
++ if (invalidSignals.contains(i)) // QObject with no metatype
++ continue;
++ m_signals << i;
++ } else if (m == QMetaMethod::Slot || m == QMetaMethod::Method)
++ m_methods << i;
++ }
++
++ m_objectSignature = QtPrivate::qtro_classinfo_signature(metaObject);
++ }
++
++ QByteArrayList DynamicApiMap::signalParameterNames(int index) const
++ {
++ const int objectIndex = m_signals.at(index);
++ checkCache(objectIndex);
++ return m_cachedMetamethod.parameterNames();
++ }
++
++ int DynamicApiMap::parameterCount(int objectIndex) const
++ {
++ checkCache(objectIndex);
++ return m_cachedMetamethod.parameterCount();
++ }
++
++ int DynamicApiMap::parameterType(int objectIndex, int paramIndex) const
++ {
++ checkCache(objectIndex);
++ return m_cachedMetamethod.parameterType(paramIndex);
++ }
++
++ const QByteArray DynamicApiMap::signature(int objectIndex) const
++ {
++ checkCache(objectIndex);
++ return m_cachedMetamethod.methodSignature();
++ }
++
++ QMetaMethod::MethodType DynamicApiMap::methodType(int index) const
++ {
++ const int objectIndex = m_methods.at(index);
++ checkCache(objectIndex);
++ return m_cachedMetamethod.methodType();
++ }
++
++ const QByteArray DynamicApiMap::typeName(int index) const
++ {
++ const int objectIndex = m_methods.at(index);
++ checkCache(objectIndex);
++ return m_cachedMetamethod.typeName();
++ }
++
++ QByteArrayList DynamicApiMap::methodParameterNames(int index) const
++ {
++ const int objectIndex = m_methods.at(index);
++ checkCache(objectIndex);
++ return m_cachedMetamethod.parameterNames();
++ }
++
++ QRemoteObjectSourceBase::Private::Private(QRemoteObjectSourceIo *io, QRemoteObjectRootSource *root)
++ : m_sourceIo(io), codec(io->m_codec.data()), isDynamic(false), root(root)
++ {
++ }
++
++ QT_END_NAMESPACE