Goetas\Twital\Attribute\OmitAttribute::visit PHP Method

    public function visit(\DOMAttr $att, Compiler $context)
    {
        $node = $att->ownerElement;
        $pi = $context->createControlNode("set __tmp_omit = " . html_entity_decode($att->value));
        $node->parentNode->insertBefore($pi, $node);
        $pi = $context->createControlNode("if not __tmp_omit");
        $node->parentNode->insertBefore($pi, $node);
        $pi = $context->createControlNode("endif");
        if ($node->firstChild) {
            $node->insertBefore($pi, $node->firstChild);
        } else {
            $node->appendChild($pi);
        }
        $pi = $context->createControlNode("if not __tmp_omit");
        $node->appendChild($pi);
        $pi = $context->createControlNode("endif");
        if ($node->parentNode->nextSibling) {
            $node->parentNode->insertBefore($pi, $node->parentNode->nextSibling);
        } else {
            $node->parentNode->appendChild($pi);
        }
        $node->removeAttributeNode($att);
        if ($att->value == "true" || $att->value == "1") {
            foreach (iterator_to_array($node->attributes) as $att) {
                $node->removeAttributeNode($att);
            }
        }
        return Attribute::STOP_ATTRIBUTE;
    }