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htmlpurifier/library/HTMLPurifier/AttrTransform/NameSync.php
Edward Z. Yang fcbf724e6e Make name="" and id="" play nicely together.
Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
2009-02-21 02:58:30 -05:00

28 lines
798 B
PHP

<?php
/**
* Post-transform that performs validation to the name attribute; if
* it is present with an equivalent id attribute, it is passed through;
* otherwise validation is performed.
*/
class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform
{
public function __construct() {
$this->idDef = new HTMLPurifier_AttrDef_HTML_ID();
}
public function transform($attr, $config, $context) {
if (!isset($attr['name'])) return $attr;
$name = $attr['name'];
if (isset($attr['id']) && $attr['id'] === $name) return $attr;
$result = $this->idDef->validate($name, $config, $context);
if ($result === false) unset($attr['name']);
else $attr['name'] = $result;
return $attr;
}
}
// vim: et sw=4 sts=4