static bool qVariantToIteratorInternal(DBusMessageIter *it, const QVariant &var,
const QDBusType &type)
{
switch (type.dbusType()) {
case DBUS_TYPE_BYTE:
qIterAppend( it, type, QDBusTypeHelper<uchar>::fromVariant(var) );
break;
case DBUS_TYPE_BOOLEAN:
qIterAppend( it, type, static_cast<dbus_bool_t>(var.toBool()) );
break;
case DBUS_TYPE_INT16:
qIterAppend( it, type, QDBusTypeHelper<short>::fromVariant(var) );
break;
case DBUS_TYPE_UINT16:
qIterAppend( it, type, QDBusTypeHelper<ushort>::fromVariant(var) );
break;
case DBUS_TYPE_INT32:
qIterAppend( it, type, static_cast<dbus_int32_t>(var.toInt()) );
break;
case DBUS_TYPE_UINT32:
qIterAppend( it, type, static_cast<dbus_uint32_t>(var.toUInt()) );
break;
case DBUS_TYPE_INT64:
qIterAppend( it, type, static_cast<dbus_int64_t>(var.toLongLong()) );
break;
case DBUS_TYPE_UINT64:
qIterAppend( it, type, static_cast<dbus_uint64_t>(var.toULongLong()) );
break;
case DBUS_TYPE_DOUBLE:
qIterAppend( it, type, var.toDouble() );
break;
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
case DBUS_TYPE_SIGNATURE:
qIterAppend( it, type, var.toString().toUtf8().constData() );
break;
// compound types:
case DBUS_TYPE_ARRAY:
// could be many things
return qAppendArrayToMessage( it, type.arrayElement(), var );
case DBUS_TYPE_VARIANT:
return qAppendVariantToMessage( it, type, var );
case DBUS_TYPE_STRUCT:
return qAppendStructToMessage( it, type.subTypes(), var.toList() );
case DBUS_TYPE_DICT_ENTRY:
qFatal("qVariantToIterator got a DICT_ENTRY!");
return false;
default:
qWarning("Found unknown DBus type '%s'", type.dbusSignature().constData());
return false;
}
return true;
}
static void qAppendListToMessage(DBusMessageIter *it, const QDBusType &subType,
const QVariant &var)
{
QList<QtType> list = QDBusTypeHelper<QList<QtType> >::fromVariant(var);
foreach (const QtType &item, list)
qIterAppend(it, subType, static_cast<DBusType>(item));
}
void QDBusMarshaller::append(const QString &arg)
{
QByteArray data = arg.toUtf8();
const char *cdata = data.constData();
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_STRING, &cdata);
}
inline void QDBusMarshaller::append(const QDBusSignature &arg)
{
QByteArray data = arg.signature().toUtf8();
if (!ba && data.isEmpty())
error();
const char *cdata = data.constData();
qIterAppend(&iterator, ba, DBUS_TYPE_SIGNATURE, &cdata);
}
inline void QDBusMarshaller::append(const QDBusObjectPath &arg)
{
QByteArray data = arg.path().toUtf8();
if (!ba && data.isEmpty())
error(QLatin1String("Invalid object path passed in arguments"));
const char *cdata = data.constData();
qIterAppend(&iterator, ba, DBUS_TYPE_OBJECT_PATH, &cdata);
}
inline void QDBusMarshaller::append(const QDBusSignature &arg)
{
QByteArray data = arg.signature().toUtf8();
if (!ba && data.isEmpty())
error(QLatin1String("Invalid signature passed in arguments"));
const char *cdata = data.constData();
qIterAppend(&iterator, ba, DBUS_TYPE_SIGNATURE, &cdata);
}
inline void QDBusMarshaller::append(const QDBusObjectPath &arg)
{
QByteArray data = arg.path().toUtf8();
if (!ba && data.isEmpty())
error();
const char *cdata = data.constData();
qIterAppend(&iterator, ba, DBUS_TYPE_OBJECT_PATH, &cdata);
}
inline void QDBusMarshaller::append(const QDBusUnixFileDescriptor &arg)
{
int fd = arg.fileDescriptor();
if (!ba && fd == -1) {
error(QLatin1String("Invalid file descriptor passed in arguments"));
} else {
qIterAppend(&iterator, ba, DBUS_TYPE_UNIX_FD, &fd);
}
}
bool QDBusMarshaller::appendVariantInternal(const QVariant &arg)
{
int id = arg.userType();
if (id == QVariant::Invalid) {
qWarning("QDBusMarshaller: cannot add an invalid QVariant");
error(QLatin1String("Variant containing QVariant::Invalid passed in arguments"));
return false;
}
// intercept QDBusArgument parameters here
if (id == QDBusMetaTypeId::argument()) {
QDBusArgument dbusargument = qvariant_cast<QDBusArgument>(arg);
QDBusArgumentPrivate *d = QDBusArgumentPrivate::d(dbusargument);
if (!d->message)
return false; // can't append this one...
QDBusDemarshaller demarshaller(capabilities);
demarshaller.message = q_dbus_message_ref(d->message);
if (d->direction == Demarshalling) {
// it's demarshalling; just copy
demarshaller.iterator = static_cast<QDBusDemarshaller *>(d)->iterator;
} else {
// it's marshalling; start over
if (!q_dbus_message_iter_init(demarshaller.message, &demarshaller.iterator))
return false; // error!
}
return appendCrossMarshalling(&demarshaller);
}
const char *signature = QDBusMetaType::typeToSignature( QVariant::Type(id) );
if (!signature) {
qWarning("QDBusMarshaller: type `%s' (%d) is not registered with D-BUS. "
"Use qDBusRegisterMetaType to register it",
QMetaType::typeName(id), id);
error(QString::fromLatin1("Unregistered type %1 passed in arguments")
.arg(QLatin1String(QMetaType::typeName(id))));
return false;
}
switch (*signature) {
#ifdef __OPTIMIZE__
case DBUS_TYPE_BYTE:
case DBUS_TYPE_INT16:
case DBUS_TYPE_UINT16:
case DBUS_TYPE_INT32:
case DBUS_TYPE_UINT32:
case DBUS_TYPE_INT64:
case DBUS_TYPE_UINT64:
case DBUS_TYPE_DOUBLE:
qIterAppend(&iterator, ba, *signature, arg.constData());
return true;
case DBUS_TYPE_BOOLEAN:
append( arg.toBool() );
return true;
#else
case DBUS_TYPE_BYTE:
append( qvariant_cast<uchar>(arg) );
return true;
case DBUS_TYPE_BOOLEAN:
append( arg.toBool() );
return true;
case DBUS_TYPE_INT16:
append( qvariant_cast<short>(arg) );
return true;
case DBUS_TYPE_UINT16:
append( qvariant_cast<ushort>(arg) );
return true;
case DBUS_TYPE_INT32:
append( static_cast<dbus_int32_t>(arg.toInt()) );
return true;
case DBUS_TYPE_UINT32:
append( static_cast<dbus_uint32_t>(arg.toUInt()) );
return true;
case DBUS_TYPE_INT64:
append( arg.toLongLong() );
return true;
case DBUS_TYPE_UINT64:
append( arg.toULongLong() );
return true;
case DBUS_TYPE_DOUBLE:
append( arg.toDouble() );
return true;
#endif
case DBUS_TYPE_STRING:
append( arg.toString() );
return true;
case DBUS_TYPE_OBJECT_PATH:
append( qvariant_cast<QDBusObjectPath>(arg) );
return true;
case DBUS_TYPE_SIGNATURE:
append( qvariant_cast<QDBusSignature>(arg) );
return true;
// compound types:
case DBUS_TYPE_VARIANT:
// nested QVariant
return append( qvariant_cast<QDBusVariant>(arg) );
case DBUS_TYPE_ARRAY:
// could be many things
// find out what kind of array it is
switch (arg.type()) {
case QVariant::StringList:
append( arg.toStringList() );
return true;
case QVariant::ByteArray:
append( arg.toByteArray() );
return true;
default:
;
}
Q_FALLTHROUGH();
case DBUS_TYPE_STRUCT:
case DBUS_STRUCT_BEGIN_CHAR:
return appendRegisteredType( arg );
case DBUS_TYPE_DICT_ENTRY:
case DBUS_DICT_ENTRY_BEGIN_CHAR:
qFatal("QDBusMarshaller::appendVariantInternal got a DICT_ENTRY!");
return false;
case DBUS_TYPE_UNIX_FD:
if (capabilities & QDBusConnection::UnixFileDescriptorPassing || ba) {
append(qvariant_cast<QDBusUnixFileDescriptor>(arg));
return true;
}
Q_FALLTHROUGH();
default:
qWarning("QDBusMarshaller::appendVariantInternal: Found unknown D-BUS type '%s'",
signature);
return false;
}
return true;
}
inline void QDBusMarshaller::append(double arg)
{
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_DOUBLE, &arg);
}
inline void QDBusMarshaller::append(qulonglong arg)
{
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_UINT64, &arg);
}
inline void QDBusMarshaller::append(qulonglong arg)
{
qIterAppend(&iterator, ba, DBUS_TYPE_UINT64, &arg);
}
inline void QDBusMarshaller::append(uint arg)
{
qIterAppend(&iterator, ba, DBUS_TYPE_UINT32, &arg);
}
inline void QDBusMarshaller::append(short arg)
{
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_INT16, &arg);
}
inline void QDBusMarshaller::append(uchar arg)
{
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_BYTE, &arg);
}
inline void QDBusMarshaller::append(double arg)
{
qIterAppend(&iterator, ba, DBUS_TYPE_DOUBLE, &arg);
}
static bool qAppendArrayToMessage(DBusMessageIter *it, const QDBusType &subType,
const QVariant &var)
{
bool ok = false;
DBusMessageIter sub;
dbus_message_iter_open_container(it, DBUS_TYPE_ARRAY, subType.dbusSignature(), &sub);
switch (var.type())
{
case QVariant::StringList: {
const QStringList list = var.toStringList();
foreach (QString str, list)
qIterAppend(&sub, subType, str.toUtf8().constData());
ok = true;
break;
}
case QVariant::ByteArray: {
const QByteArray array = var.toByteArray();
const char* cdata = array.constData();
dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &cdata, array.length());
ok = true;
break;
}
case QVariant::Map: {
const QVariantMap map = var.toMap();
const QDBusTypeList& subTypes = subType.subTypes();
ok = true;
for (QMap<QString, QVariant>::const_iterator mit = map.constBegin();
ok && mit != map.constEnd(); ++mit) {
DBusMessageIter itemIterator;
dbus_message_iter_open_container(&sub, DBUS_TYPE_DICT_ENTRY, 0, &itemIterator);
// let the string be converted to QVariant
if (!qVariantToIteratorInternal(&itemIterator, mit.key(), subTypes[0]))
ok = false;
else if (!qVariantToIteratorInternal(&itemIterator, mit.value(), subTypes[1]))
ok = false;
dbus_message_iter_close_container(&sub, &itemIterator);
}
break;
}
case QVariant::List: {
const QVariantList list = var.toList();
ok = true;
foreach (QVariant v, list)
if (!qVariantToIteratorInternal(&sub, v, subType)) {
ok = false;
break;
}
break;
}
default: {
int id = var.userType();
ok = true;
if (id == QDBusTypeHelper<bool>::listId())
qAppendListToMessage<dbus_bool_t,bool>(&sub, subType, var);
else if (id == QDBusTypeHelper<short>::listId())
qAppendListToMessage<dbus_int16_t,short>(&sub, subType, var);
else if (id == QDBusTypeHelper<ushort>::listId())
qAppendListToMessage<dbus_uint16_t,ushort>(&sub, subType, var);
else if (id == QDBusTypeHelper<int>::listId())
qAppendListToMessage<dbus_int32_t,int>(&sub, subType, var);
else if (id == QDBusTypeHelper<uint>::listId())
qAppendListToMessage<dbus_uint32_t,uint>(&sub, subType, var);
else if (id == QDBusTypeHelper<qlonglong>::listId())
qAppendListToMessage<dbus_int64_t,qlonglong>(&sub, subType, var);
else if (id == QDBusTypeHelper<qulonglong>::listId())
qAppendListToMessage<dbus_uint64_t,qulonglong>(&sub, subType, var);
else if (id == QDBusTypeHelper<double>::listId())
qAppendListToMessage<double,double>(&sub, subType, var);
#if 0 // never reached, since QVariant::List mached
else if (id == QDBusTypeHelper<QVariant>::listId())
qAppendListToMessage<QVariant,QVariant>(&sub, subType, var);
#endif
else {
qFatal("qAppendArrayToMessage got unknown type!");
ok = false;
}
break;
}
}
dbus_message_iter_close_container(it, &sub);
return ok;
}
inline void QDBusMarshaller::append(bool arg)
{
dbus_bool_t cast = arg;
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_BOOLEAN, &cast);
}
inline void QDBusMarshaller::append(uchar arg)
{
qIterAppend(&iterator, ba, DBUS_TYPE_BYTE, &arg);
}
inline void QDBusMarshaller::append(uint arg)
{
if (!skipSignature)
qIterAppend(&iterator, ba, DBUS_TYPE_UINT32, &arg);
}
inline void QDBusMarshaller::append(short arg)
{
qIterAppend(&iterator, ba, DBUS_TYPE_INT16, &arg);
}