<?php

/**
 * Implements special behavior for class attribute (normally NMTOKENS)
 */
class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens
{
    /**
     * @param string $string
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool|string
     */
    protected function split($string, $config, $context)
    {
        // really, this twiddle should be lazy loaded
        $name = $config->getDefinition('HTML')->doctype->name;
        if ($name == "XHTML 1.1" || $name == "XHTML 2.0") {
            return parent::split($string, $config, $context);
        } else {
            return preg_split('/\s+/', $string);
        }
    }

    /**
     * @param array $tokens
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return array
     */
    protected function filter($tokens, $config, $context)
    {
        $allowed = $config->get('Attr.AllowedClasses');
        $forbidden = $config->get('Attr.ForbiddenClasses');
        $ret = array();
        foreach ($tokens as $token) {
            if (($allowed === null || isset($allowed[$token])) &&
                !isset($forbidden[$token]) &&
                // We need this O(n) check because of PHP's array
                // implementation that casts -0 to 0.
                !in_array($token, $ret, true)
            ) {
                $ret[] = $token;
            }
        }
        return $ret;
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzEwODY1MzAyODc4MTQ5IDMyMDU5MTc1NjUxMzk0ODcgMTI5MzY5MDAxMTQ1NDE1Ng==