Method EvaluateFilter

lib/remote/filterutility.cpp:187–233

}

bool FilterUtility::EvaluateFilter(ScriptFrame& frame, Expression *filter,
	const Object::Ptr& target, const String& variableName)
{
	if (!filter)
		return true;

	Type::Ptr type = target->GetReflectionType();
	String varName;

	if (variableName.IsEmpty())
		varName = type->GetName().ToLower();
	else
		varName = variableName;

	Namespace::Ptr frameNS;

	if (frame.Self.IsEmpty()) {
		frameNS = new Namespace();
		frame.Self = frameNS;
	} else {
		/* Enforce a namespace object for 'frame.self'. */
		ASSERT(frame.Self.IsObjectType<Namespace>());

		frameNS = frame.Self;

		ASSERT(frameNS != ScriptGlobal::GetGlobals());
	}

	frameNS->Set("obj", target);
	frameNS->Set(varName, target);

	for (int fid = 0; fid < type->GetFieldCount(); fid++) {
		Field field = type->GetFieldInfo(fid);

		if ((field.Attributes & FANavigation) == 0)
			continue;

		Object::Ptr joinedObj = target->NavigateField(fid);

		if (field.NavigationName)
			frameNS->Set(field.NavigationName, joinedObj);
		else
			frameNS->Set(field.Name, joinedObj);
	}

	return Convert::ToBool(filter->Evaluate(frame));
}

static void FilteredAddTarget(ScriptFrame& permissionFrame, Expression *permissionFilter,
	ScriptFrame& frame, Expression *ufilter, std::vector<Value>& result, const String& variableName, const Object::Ptr& target)