void getNativeField(Dart_NativeArguments args, int index, T** value)
{
Dart_Handle handle = Dart_GetNativeArgument(args, index);
assert(Dart_IsInstance(handle));
std::intptr_t ptr;
Dart_GetNativeInstanceField(handle, 0, &ptr);
*value = reinterpret_cast<T*>(ptr);
}
gboolean _gdart_marshaller_check_argument_object(
GdartBridgeContext *self,
Dart_Handle element,
gpointer type,
const ObjectInfoKlass *type_klass,
Dart_Handle *dart_error_out,
GError **error)
{
Dart_Handle base_object_class, temp_result, inner_container, name_handle;
bool is_proper_type;
RawPointerContainer* raw_pointer;
GdartBridgeContextWrappedObject* object_info;
GObject* object;
GType gtype;
GIInfoType object_info_type;
base_object_class = gdart_bridge_context_get_base_object_class(self, dart_error_out, error);
if (base_object_class == NULL) {
return false;
}
if (Dart_IsNull(element)) {
return TRUE;
}
temp_result = Dart_ObjectIsType(element, base_object_class, &is_proper_type);
if (Dart_IsError(temp_result)) {
*dart_error_out = temp_result;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
goto error;
}
if (!is_proper_type) {
*dart_error_out = gdart_bridge_context_create_error_handle(self,
"%s: received an unexpected base info type", G_STRFUNC);
g_set_error(error, GDART_ERROR, 1,
"%s: received an unexpected base info type", G_STRFUNC);
goto error;
}
name_handle = Dart_NewStringFromCString("_internal");
if (Dart_IsError(name_handle)) {
*dart_error_out = name_handle;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
inner_container = Dart_GetField(element, name_handle);
if (Dart_IsError(inner_container)) {
*dart_error_out = inner_container;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
temp_result = Dart_GetNativeInstanceField(inner_container, 0, (intptr_t*) &raw_pointer);
if (Dart_IsError(temp_result)) {
*dart_error_out = temp_result;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
object_info = (GdartBridgeContextWrappedObject*) raw_pointer->raw_pointer;
if (!object_info->object_info_klass.get_type(object_info->object_info,
self,
&object_info_type,
dart_error_out,
error))
return FALSE;
if (object_info_type != GI_INFO_TYPE_OBJECT) {
*dart_error_out = gdart_bridge_context_create_error_handle(self,
"%s: expected an object but got a struct", G_STRFUNC);
g_set_error(error, GDART_ERROR, 1,
"%s: expected an object but got a struct", G_STRFUNC);
goto error;
}
object = (GObject*) object_info->object;
if (!type_klass->get_gtype(type,
self,
>ype,
dart_error_out,
error))
return FALSE;
if (!g_type_is_a(G_OBJECT_TYPE(object), gtype)) {
*dart_error_out = gdart_bridge_context_create_error_handle(self,
"%s: expected an object of one type but got another", G_STRFUNC);
g_set_error(error, GDART_ERROR, 1,
"%s: expected an object of one type but got another", G_STRFUNC);
goto error;
}
return TRUE;
error:
return FALSE;
}
gboolean _gdart_marshaller_check_argument_struct_from_gtype(
GdartBridgeContext *self,
Dart_Handle element,
GType type,
Dart_Handle *dart_error_out,
GError **error)
{
Dart_Handle base_object_class, temp_result, inner_container, name_handle;
bool is_proper_type;
RawPointerContainer* raw_pointer;
GdartBridgeContextWrappedObject* object_info;
base_object_class = gdart_bridge_context_get_base_object_class(self, dart_error_out, error);
if (base_object_class == NULL) {
return false;
}
if (Dart_IsNull(element)) {
return TRUE;
}
temp_result = Dart_ObjectIsType(element, base_object_class, &is_proper_type);
if (Dart_IsError(temp_result)) {
*dart_error_out = temp_result;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
goto error;
}
if (!is_proper_type) {
*dart_error_out = gdart_bridge_context_create_error_handle(self,
"%s: received an unexpected base info type", G_STRFUNC);
g_set_error(error, GDART_ERROR, 1,
"%s: received an unexpected base info type", G_STRFUNC);
goto error;
}
name_handle = Dart_NewStringFromCString("_internal");
if (Dart_IsError(name_handle)) {
*dart_error_out = name_handle;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
inner_container = Dart_GetField(element, name_handle);
if (Dart_IsError(inner_container)) {
*dart_error_out = inner_container;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
temp_result = Dart_GetNativeInstanceField(inner_container, 0, (intptr_t*) &raw_pointer);
if (Dart_IsError(temp_result)) {
*dart_error_out = temp_result;
g_set_error(error, GDART_ERROR, 1, "Error from Dart operation.");
return FALSE;
}
object_info = (GdartBridgeContextWrappedObject*) raw_pointer->raw_pointer;
/* TODO: This is super-unreliable because there is no way to trust the gtype
* given.
*
if (object_info->type != type) {
*dart_error_out = gdart_bridge_context_create_error_handle(self,
"%s: got an argument of the wrong type. This might be due to a problem in the GIR file", G_STRFUNC);
g_set_error(error, GDART_ERROR, 1,
"%s: got an argument of the wrong type. This might be due to a problem in the GIR file", G_STRFUNC);
goto error;
}
*/
return TRUE;
error:
return FALSE;
}
