public function throwExceptionsForUnhandledNamespaces($templateSource)
    {
        $viewHelperResolver = $this->renderingContext->getViewHelperResolver();
        $splitTemplate = preg_split(static::$EXTENDED_SPLIT_PATTERN_TEMPLATE_DYNAMICTAGS, $templateSource, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
        foreach ($splitTemplate as $templateElement) {
            if (preg_match(Patterns::$SCAN_PATTERN_TEMPLATE_VIEWHELPERTAG, $templateElement, $matchedVariables) > 0) {
                if (!$viewHelperResolver->isNamespaceValidOrIgnored($matchedVariables['NamespaceIdentifier'])) {
                    throw new UnknownNamespaceException('Unkown Namespace: ' . htmlspecialchars($matchedVariables[0]));
                }
                continue;
            } elseif (preg_match(Patterns::$SCAN_PATTERN_TEMPLATE_CLOSINGVIEWHELPERTAG, $templateElement, $matchedVariables) > 0) {
                continue;
            }

            $sections = preg_split(Patterns::$SPLIT_PATTERN_SHORTHANDSYNTAX, $templateElement, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
            foreach ($sections as $section) {
                if (preg_match(Patterns::$SCAN_PATTERN_SHORTHANDSYNTAX_OBJECTACCESSORS, $section, $matchedVariables) > 0) {
                    preg_match_all(Patterns::$SPLIT_PATTERN_SHORTHANDSYNTAX_VIEWHELPER, $section, $shorthandViewHelpers, PREG_SET_ORDER);
                    if (is_array($shorthandViewHelpers) === true) {
                        foreach ($shorthandViewHelpers as $shorthandViewHelper) {
                            if (!$viewHelperResolver->isNamespaceValidOrIgnored($shorthandViewHelper['NamespaceIdentifier'])) {
                                throw new UnknownNamespaceException('Unkown Namespace: ' . $shorthandViewHelper['NamespaceIdentifier']);
                            }
                        }
                    }
                }
            }
        }
    }