QVariant QDBusDemarshaller::toVariantInternal() { switch (q_dbus_message_iter_get_arg_type(&iterator)) { case DBUS_TYPE_BYTE: return qVariantFromValue(toByte()); case DBUS_TYPE_INT16: return qVariantFromValue(toShort()); case DBUS_TYPE_UINT16: return qVariantFromValue(toUShort()); case DBUS_TYPE_INT32: return toInt(); case DBUS_TYPE_UINT32: return toUInt(); case DBUS_TYPE_DOUBLE: return toDouble(); case DBUS_TYPE_BOOLEAN: return toBool(); case DBUS_TYPE_INT64: return toLongLong(); case DBUS_TYPE_UINT64: return toULongLong(); case DBUS_TYPE_STRING: return toString(); case DBUS_TYPE_OBJECT_PATH: return qVariantFromValue(toObjectPath()); case DBUS_TYPE_SIGNATURE: return qVariantFromValue(toSignature()); case DBUS_TYPE_VARIANT: return qVariantFromValue(toVariant()); case DBUS_TYPE_ARRAY: switch (q_dbus_message_iter_get_element_type(&iterator)) { case DBUS_TYPE_BYTE: // QByteArray return toByteArray(); case DBUS_TYPE_STRING: return toStringList(); case DBUS_TYPE_DICT_ENTRY: return qVariantFromValue(duplicate()); default: return qVariantFromValue(duplicate()); } case DBUS_TYPE_STRUCT: return qVariantFromValue(duplicate()); default: qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'", q_dbus_message_iter_get_arg_type(&iterator), q_dbus_message_iter_get_arg_type(&iterator)); return QVariant(); break; }; }
QDBusArgument::ElementType QDBusDemarshaller::currentType() { switch (q_dbus_message_iter_get_arg_type(&iterator)) { 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_BOOLEAN: case DBUS_TYPE_DOUBLE: case DBUS_TYPE_STRING: case DBUS_TYPE_OBJECT_PATH: case DBUS_TYPE_SIGNATURE: return QDBusArgument::BasicType; case DBUS_TYPE_VARIANT: return QDBusArgument::VariantType; case DBUS_TYPE_ARRAY: switch (q_dbus_message_iter_get_element_type(&iterator)) { case DBUS_TYPE_BYTE: case DBUS_TYPE_STRING: // QByteArray and QStringList return QDBusArgument::BasicType; case DBUS_TYPE_DICT_ENTRY: return QDBusArgument::MapType; default: return QDBusArgument::ArrayType; } case DBUS_TYPE_STRUCT: return QDBusArgument::StructureType; case DBUS_TYPE_DICT_ENTRY: return QDBusArgument::MapEntryType; case DBUS_TYPE_INVALID: return QDBusArgument::UnknownType; default: qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'", q_dbus_message_iter_get_arg_type(&iterator), q_dbus_message_iter_get_arg_type(&iterator)); } return QDBusArgument::UnknownType; }
bool QDBusMarshaller::appendCrossMarshalling(QDBusDemarshaller *demarshaller) { int code = q_dbus_message_iter_get_arg_type(&demarshaller->iterator); if (QDBusUtil::isValidBasicType(code)) { // easy: just append // do exactly like the D-BUS docs suggest // (see apidocs for q_dbus_message_iter_get_basic) qlonglong value; q_dbus_message_iter_get_basic(&demarshaller->iterator, &value); q_dbus_message_iter_next(&demarshaller->iterator); q_dbus_message_iter_append_basic(&iterator, code, &value); return true; } if (code == DBUS_TYPE_ARRAY) { int element = q_dbus_message_iter_get_element_type(&demarshaller->iterator); if (QDBusUtil::isValidFixedType(element) && element != DBUS_TYPE_UNIX_FD) { // another optimization: fixed size arrays // code is exactly like QDBusDemarshaller::toByteArray DBusMessageIter sub; q_dbus_message_iter_recurse(&demarshaller->iterator, &sub); q_dbus_message_iter_next(&demarshaller->iterator); int len; void* data; q_dbus_message_iter_get_fixed_array(&sub,&data,&len); char signature[2] = { char(element), 0 }; q_dbus_message_iter_open_container(&iterator, DBUS_TYPE_ARRAY, signature, &sub); q_dbus_message_iter_append_fixed_array(&sub, element, &data, len); q_dbus_message_iter_close_container(&iterator, &sub); return true; } } // We have to recurse QDBusDemarshaller *drecursed = demarshaller->beginCommon(); QDBusMarshaller mrecursed(capabilities); // create on the stack makes it autoclose QByteArray subSignature; const char *sig = 0; if (code == DBUS_TYPE_VARIANT || code == DBUS_TYPE_ARRAY) { subSignature = drecursed->currentSignature().toLatin1(); if (!subSignature.isEmpty()) sig = subSignature.constData(); } open(mrecursed, code, sig); while (!drecursed->atEnd()) { if (!mrecursed.appendCrossMarshalling(drecursed)) { delete drecursed; return false; } } delete drecursed; return true; }
QByteArray QDBusDemarshaller::toByteArray() { if (q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_ARRAY && q_dbus_message_iter_get_element_type(&iterator) == DBUS_TYPE_BYTE) { return toByteArrayUnchecked(); } return QByteArray(); }
QStringList QDBusDemarshaller::toStringList() { if (q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_ARRAY && q_dbus_message_iter_get_element_type(&iterator) == DBUS_TYPE_STRING) return toStringListUnchecked(); else return QStringList(); }
bool QDBusDemarshaller::isCurrentTypeStringLike() { const int type = q_dbus_message_iter_get_arg_type(&iterator); switch (type) { case DBUS_TYPE_STRING: //FALLTHROUGH case DBUS_TYPE_OBJECT_PATH: //FALLTHROUGH case DBUS_TYPE_SIGNATURE: return true; default: return false; } }
bool QDBusDemarshaller::atEnd() { // dbus_message_iter_has_next is broken if the list has one single element return q_dbus_message_iter_get_arg_type(&iterator) == DBUS_TYPE_INVALID; }
QVariant QDBusDemarshaller::toVariantInternal() { switch (q_dbus_message_iter_get_arg_type(&iterator)) { case DBUS_TYPE_BYTE: return QVariant::fromValue(toByte()); case DBUS_TYPE_INT16: return QVariant::fromValue(toShort()); case DBUS_TYPE_UINT16: return QVariant::fromValue(toUShort()); case DBUS_TYPE_INT32: return toInt(); case DBUS_TYPE_UINT32: return toUInt(); case DBUS_TYPE_DOUBLE: return toDouble(); case DBUS_TYPE_BOOLEAN: return toBool(); case DBUS_TYPE_INT64: return toLongLong(); case DBUS_TYPE_UINT64: return toULongLong(); case DBUS_TYPE_STRING: return toStringUnchecked(); case DBUS_TYPE_OBJECT_PATH: return QVariant::fromValue(toObjectPathUnchecked()); case DBUS_TYPE_SIGNATURE: return QVariant::fromValue(toSignatureUnchecked()); case DBUS_TYPE_VARIANT: return QVariant::fromValue(toVariant()); case DBUS_TYPE_ARRAY: switch (q_dbus_message_iter_get_element_type(&iterator)) { case DBUS_TYPE_BYTE: // QByteArray return toByteArrayUnchecked(); case DBUS_TYPE_STRING: return toStringListUnchecked(); case DBUS_TYPE_DICT_ENTRY: return QVariant::fromValue(duplicate()); default: return QVariant::fromValue(duplicate()); } case DBUS_TYPE_STRUCT: return QVariant::fromValue(duplicate()); case DBUS_TYPE_UNIX_FD: if (capabilities & QDBusConnection::UnixFileDescriptorPassing) return QVariant::fromValue(toUnixFileDescriptor()); // fall through default: // qWarning("QDBusDemarshaller: Found unknown D-Bus type %d '%c'", // q_dbus_message_iter_get_arg_type(&iterator), // q_dbus_message_iter_get_arg_type(&iterator)); char *ptr = 0; ptr += q_dbus_message_iter_get_arg_type(&iterator); q_dbus_message_iter_next(&iterator); // I hope you never dereference this pointer! return QVariant::fromValue<void *>(ptr); }; }