<?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 DOMXPath;
use s9e\TextFormatter\Configurator\Exceptions\UnsafeTemplateException;
use s9e\TextFormatter\Configurator\Items\Tag;
use s9e\TextFormatter\Configurator\TemplateCheck;
class DisallowObjectParamsWithGeneratedName extends TemplateCheck
{
/**
* Check for <param> elements with a generated "name" attribute
*
* This check will reject <param> elements whose "name" attribute is generated by an
* <xsl:attribute/> element. This is a setup that has no practical use and should be eliminated
* because it makes it much harder to check the param's name, and therefore infer the type of
* content it expects
*
* @param DOMElement $template <xsl:template/> node
* @param Tag $tag Tag this template belongs to
* @return void
*/
public function check(DOMElement $template, Tag $tag)
{
$xpath = new DOMXPath($template->ownerDocument);
$query = '//object//param[contains(@name, "{") or .//xsl:attribute[translate(@name, "NAME", "name") = "name"]]';
$nodes = $xpath->query($query);
foreach ($nodes as $node)
{
throw new UnsafeTemplateException("A 'param' element with a suspect name has been found", $node);
}
}
}