<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2021 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\TemplateChecks;
use DOMElement;
use s9e\TextFormatter\Configurator\Helpers\NodeLocator;
use s9e\TextFormatter\Configurator\Helpers\XPathHelper;
use s9e\TextFormatter\Configurator\Items\Attribute;
class DisallowUnsafeDynamicCSS extends AbstractDynamicContentCheck
{
/**
* {@inheritdoc}
*/
protected function getNodes(DOMElement $template)
{
return NodeLocator::getCSSNodes($template->ownerDocument);
}
/**
* {@inheritdoc}
*/
protected function isExpressionSafe($expr)
{
return XPathHelper::isExpressionNumeric($expr);
}
/**
* {@inheritdoc}
*/
protected function isSafe(Attribute $attribute)
{
return $attribute->isSafeInCSS();
}
}