class.ilValidatorAdapter.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once './Services/XHTMLValidator/validator/config.inc';
$GLOBALS["opts"] = $opts;

// include bundled Text_Diff PEAR package
require_once './Services/XHTMLValidator/validator/Text_Diff/Diff.php';
require_once './Services/XHTMLValidator/validator/Text_Diff/Renderer.php';
require_once './Services/XHTMLValidator/validator/Text_Diff/unified.php';

require_once './Services/XHTMLValidator/validator/include.inc';
require_once './Services/XHTMLValidator/validator/validator.inc';


class ilValidatorAdapter
{
    public static function validate($a_html, $a_mode)
    {
        // while php 5.1 isn't released we must keep compatibility with php 5.0
        if (!defined('UPLOAD_ERR_CANT_WRITE')) {
            define('UPLOAD_ERR_CANT_WRITE', 7);
        }
        
        /*
           Mozilla, Firefox and friends have an error that lock radio buttons.
           We use this to disable some feature for these browsers
           More info at: http://bugzilla.mozilla.org/show_bug.cgi?id=229925
        */
        define('MOZILLA', (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko/') !== false));
        
        //function mozilla($txt) {
        //      return MOZILLA ? '' : $txt;
        //}
        
        
        if (empty($lang)) {
            $lang = isset($_REQUEST['lang']) ? $_REQUEST['lang'] : 'en';
        } else {
            $redir = true;
        }

        /*
        if (empty($_COOKIE['lang']) || $lang != $_COOKIE['lang']) {
            setcookie('lang', $lang, time()+60*60*24*90, '/', 'validator.aborla.net');
        }*/

        //output_add_rewrite_var('lang', $lang);
        
        require './Services/XHTMLValidator/validator/local/en.inc'; // fallback for not translated messages

        //if ($lang != 'en')
        //      require "./local/$lang.inc"; //load localized messages
        
        //common_header();
                
        
        /****************** START OF THE VALIDATOR ITSELF *******************/
        
        // output: html/xhtml/xml, accessibility-check: 0-3
        $options = array();
        $options["charset"] = "utf8";
        if ($a_mode == "accessibility") {
            $options["accessibility-check"] = 3;
        }

        $validator = new validator($options);
        
        //$result = $validator->parse_url((string)$_REQUEST['url']);
        $result = $validator->parse_string($a_html);
        
        /* no fatal errors. continue */
        if ($result) {
            if ($validator->internal_error()) {
                $answer.= "<p>$message[13]:<br />\n";
                $answer.= nl2br($validator->internal_errors_string()) . "</p>\n";
            }
        
            $answer.= '<p>';
        
        
            /* If the document contains too many errors, the version may not be found */
            if ($detected_version = $validator->detected_version()) {
                $answer.= "<strong>$message[14]</strong>: $detected_version<br />\n";
            }
        
            // enconding in use
            $answer.= "<strong>$message[20]</strong>: {$validator->readable_charset()}";
        
            // language
            if ($validator->lang) {
                $answer.= "<br />\n<strong>$message[24]</strong>: {$langs[$validator->lang]}";
            }
        
        
            /* Show HTML/XML errors */
            if ($errors = $validator->error()) {
                $answer.= "<br />\n<strong>$message[21]</strong>: $errors</p>\n" .
                     "<h2>$message[16]</h2>\n";
        
                if (empty($_REQUEST['errors']) || $_REQUEST['errors'] == 'along') {
                    $answer.= '<code>' . $validator->errors_source() . "</code>\n\n";
                } else { //errors alone
                    $answer.= '<p>' . $validator->errors_string() . "</p>\n\n";
                }
        
                /* no errors found in the document */
            } else {
                $answer.= "</p><p>$message[15]</p>\n";
            }
        
        
            /* show repaired document */
            if (!isset($_REQUEST['repair']) || $_REQUEST['repair'] == 'full') {
                $html = strtr(nl2br(htmlspecialchars($validator->repaired_source(), ENT_QUOTES, 'UTF-8')), array('  ' => ' &nbsp;'));
        
                $answer.= "\n<p>&nbsp;</p>\n<h2>$message[17]</h2>\n";
                $answer.= '<div class="code"><code>' . $html . "</code></div>\n";
            }
            /* Diff */
        /*
            } elseif ($_REQUEST['repair'] == 'diff' && $diff = $validator->repaired_diff()) {
                $diff = strtr($diff, array('  ' => ' &nbsp;'));

                echo "\n<p>&nbsp;</p>\n<h2>$message[11]</h2>\n";
                echo '<div class="code"><code>' . $diff . "</code></div>\n";
            }
        */
        
        
        /* there was some error handling the URL/file upload */
        } else {
            $answer.= "<p>$message[13]:<br />\n";
            $answer.= nl2br($validator->internal_errors_string()) . "</p>\n";
        }

        return $answer;
    }
}