denyelementdecorator.php

很棒的在线教学系统

<?php

/**
 * Decorator which enables CSS properties to be disabled for specific elements.
 */
class HTMLPurifier_AttrDef_CSS_DenyElementDecorator extends HTMLPurifier_AttrDef
{
    var $def, $element;
    
    /**
     * @param $def Definition to wrap
     * @param $element Element to deny
     */
    function HTMLPurifier_AttrDef_CSS_DenyElementDecorator(&$def, $element) {
        $this->def =& $def;
        $this->element = $element;
    }
    /**
     * Checks if CurrentToken is set and equal to $this->element
     */
    function validate($string, $config, $context) {
        $token = $context->get('CurrentToken', true);
        if ($token && $token->name == $this->element) return false;
        return $this->def->validate($string, $config, $context);
    }
}