public function tearDown()
 {
     foreach ($this->ids as $id) {
         saveWikiText($id, '', 'deleted in tearDown()');
         @unlink(metaFN($id, '.meta'));
     }
 }

 /**
  * Handle the match
  */
 function handle($match, $state, $pos, &$handler)
 {
     global $ID;
     global $ACT;
     // don't show linkback section on blog mainpages
     if (defined('IS_BLOG_MAINPAGE')) {
         return false;
     }
     // don't allow usage of syntax in comments
     if (isset($_REQUEST['comment'])) {
         return false;
     }
     // get linkback meta file name
     $file = metaFN($ID, '.linkbacks');
     $data = array('send' => false, 'receive' => false, 'display' => false, 'sentpings' => array(), 'receivedpings' => array(), 'number' => 0);
     if (@file_exists($file)) {
         $data = unserialize(io_readFile($file, false));
     }
     if ($match == '~~LINKBACK~~') {
         $data['receive'] = true;
         $data['display'] = true;
     } else {
         if ($match == '~~LINKBACK:off~~') {
             $data['receive'] = false;
             $data['display'] = false;
         } else {
             $data['receive'] = false;
             $data['display'] = true;
         }
     }
     io_saveFile($file, serialize($data));
 }

 /**
  * Handle the match
  */
 function handle($match, $state, $pos, &$handler)
 {
     global $ID, $ACT;
     // strip markup
     $match = substr($match, 12, -2);
     // split title (if there is one)
     list($match, $title) = explode('|', $match, 2);
     // assign discussion state
     if ($match == ':off') {
         $status = 0;
     } else {
         if ($match == ':closed') {
             $status = 2;
         } else {
             $status = 1;
         }
     }
     if ($ACT == 'preview') {
         return;
     }
     // get discussion meta file name
     $file = metaFN($ID, '.comments');
     $data = array();
     if (@file_exists($file)) {
         $data = unserialize(io_readFile($file, false));
     }
     $data['title'] = $title;
     $data['status'] = $status;
     io_saveFile($file, serialize($data));
     return $status;
 }

 function handle_approve(&$event, $param)
 {
     global $ID, $REV, $INFO;
     if ($event->data == 'show' && isset($_GET['approve'])) {
         if (!$this->can_approve()) {
             return;
         }
         //change last commit comment to Approved
         $meta = p_read_metadata($ID);
         $meta[current][last_change][sum] = $meta[persistent][last_change][sum] = APPROVED;
         $meta[current][last_change][user] = $meta[persistent][last_change][user] = $INFO[client];
         if (!array_key_exists($INFO[client], $meta[current][contributor])) {
             $meta[current][contributor][$INFO[client]] = $INFO[userinfo][name];
             $meta[persistent][contributor][$INFO[client]] = $INFO[userinfo][name];
         }
         p_save_metadata($ID, $meta);
         //update changelog
         //remove last line from file
         $changelog_file = metaFN($ID, '.changes');
         $changes = file($changelog_file, FILE_SKIP_EMPTY_LINES);
         $lastLogLine = array_pop($changes);
         $info = parseChangelogLine($lastLogLine);
         $info[user] = $INFO[client];
         $info[sum] = APPROVED;
         $logline = implode("\t", $info) . "\n";
         array_push($changes, $logline);
         io_saveFile($changelog_file, implode('', $changes));
         header('Location: ?id=' . $ID);
     }
 }

 function __construct()
 {
     $ip = $_SERVER['REMOTE_ADDR'];
     if ($this->is_excluded($ip, true)) {
         exit("403: Not Available");
     }
     $this->ipaddr = $ip;
     $today = getdate();
     $ns_prefix = "quickstats:";
     $ns = $ns_prefix . $today['mon'] . '_' . $today['year'] . ':';
     $this->page_file = metaFN($ns . 'pages', '.ser');
     $this->ua_file = metaFN($ns . 'ua', '.ser');
     $this->ip_file = metaFN($ns . 'ip', '.ser');
     $this->misc_data_file = metaFN($ns . 'misc_data', '.ser');
     $this->qs_file = metaFN($ns . 'qs_data', '.ser');
     $this->page_users_file = metaFN($ns . 'page_users', '.ser');
     $this->page_totals_file = metaFN($ns_prefix . 'page_totals', '.ser');
     $this->year_month = $today['mon'] . '_' . $today['year'];
     if (preg_match('/WINNT/i', PHP_OS)) {
         $this->SEP = '\\';
     }
     $this->show_date = $this->getConf('show_date');
     $this->dw_tokens = array('do', 'sectok', 'page', 's[]', 'id', 'rev', 'idx');
     $conf_tokens = $this->getConf('xcl_name_val');
     if (!empty($conf_tokens)) {
         $conf_tokens = explode(',', $conf_tokens);
         if (!empty($conf_tokens)) {
             $this->dw_tokens = array_merge($this->dw_tokens, $conf_tokens);
         }
     }
     $this->helper = $this->loadHelper('quickstats', true);
 }

 function __construct()
 {
     $this->script_file = metaFN('epub:cache', '.ser');
     $this->cache = unserialize(io_readFile($this->script_file, false));
     if (!$this->cache) {
         $this->cache = array();
     }
 }

function numberingDB()
{
    $db = metaFN("numbering:seqnum", '.ser');
    if (!file_exists($db)) {
        io_saveFile($db, "", array());
    }
    return $db;
}

 /**
  */
 function process_feed(&$event, $param)
 {
     global $ID;
     if ($this->helper->pageUpdated()) {
         $metafile = metaFN('newsfeed:wasupdated', '.meta');
         io_saveFile($metafile, time() . "\n" . $ID . "\n");
         $this->helper->saveFeedData($ID);
     }
 }

 /**
  * Return the subscription meta file for the given ID
  *
  * @author Adrian Lang <[email protected]>
  *
  * @param string $id The target page or namespace, specified by id; Namespaces
  *                   are identified by appending a colon.
  * @return string
  */
 protected function file($id)
 {
     $meta_fname = '.mlist';
     if (substr($id, -1, 1) === ':') {
         $meta_froot = getNS($id);
         $meta_fname = '/' . $meta_fname;
     } else {
         $meta_froot = $id;
     }
     return metaFN((string) $meta_froot, $meta_fname);
 }

/**
 * Get the name of the metafile tracking subscriptions to target page or
 * namespace
 *
 * @param string $id The target page or namespace, specified by id; Namespaces
 *                   are identified by appending a colon.
 *
 * @author Adrian Lang <[email protected]>
 */
function subscription_filename($id)
{
    $meta_fname = '.mlist';
    if (substr($id, -1, 1) === ':') {
        $meta_froot = getNS($id);
        if ($meta_froot === false) {
            $meta_fname = '/' . $meta_fname;
        }
    } else {
        $meta_froot = $id;
    }
    return metaFN($meta_froot, $meta_fname);
}

function epub_get_progress_dir($temp_user = null)
{
    static $dir;
    $seed = md5(rawurldecode($_POST['user']) . time());
    if (!$dir) {
        if (isset($_POST['client'])) {
            $user = rawurldecode($_POST['client']) . ":{$seed}";
        } else {
            $user = $temp_user ? "{$temp_user}:{$seed}" : $seed;
        }
        $dir = dirname(metaFN("epub:{$user}:tmp", '.meta')) . '/';
    }
    return $dir;
}

 public function handle_dokuwiki_started(&$event, $param)
 {
     global $ID, $ACT, $REV;
     if ($ACT != 'show' && $ACT != '' || $REV) {
         return;
     }
     $page = p_get_metadata($ID, 'relation isreplacedby');
     // return if no redirection data
     if (empty($page)) {
         return;
     }
     if (isset($_GET['redirect'])) {
         // return if redirection is temporarily disabled,
         // or we have been redirected 5 times in a row
         if ($_GET['redirect'] == 'no' || $_GET['redirect'] > 4) {
             return;
         } elseif ($_GET['redirect'] > 0) {
             $redirect = $_GET['redirect'] + 1;
         } else {
             $redirect = 1;
         }
     } else {
         $redirect = 1;
     }
     // verify metadata currency
     if (@filemtime(metaFN($ID, '.meta')) < @filemtime(wikiFN($ID))) {
         return;
     }
     // preserve #section from $page
     list($page, $section) = explode('#', $page, 2);
     if (isset($section)) {
         $section = '#' . $section;
     } else {
         $section = '';
     }
     // prepare link for internal redirects, keep external targets
     if (!preg_match('#^https?://#i', $page)) {
         $page = wl($page, array('redirect' => $redirect), TRUE, '&');
         if (!headers_sent() && $this->getConf('show_note')) {
             // remember to show note about being redirected from another page
             session_start();
             $_SESSION[DOKU_COOKIE]['redirect'] = $ID;
         }
     }
     // redirect
     header("HTTP/1.1 301 Moved Permanently");
     header("Location: " . $page . $section . $_SERVER['QUERY_STRING']);
     exit;
 }

function _index($id)
{
    global $INDEXER;
    global $CLEAR;
    global $QUIET;
    // if not cleared only update changed and new files
    if ($CLEAR) {
        $idxtag = metaFN($id, '.indexed');
        if (@file_exists($idxtag)) {
            @unlink($idxtag);
        }
    }
    _quietecho("{$id}... ");
    idx_addPage($id, !$QUIET);
    _quietecho("done.\n");
}

/**
 * function for the search callback
 */
function search_discussionpages(&$data, $base, $file, $type, $lvl, $opts)
{
    global $conf;
    if ($type == 'd') {
        return true;
    }
    // recurse into directories
    if (!preg_match('#' . preg_quote('/' . DISCUSSION_NS . '/', '#') . '#u', $file)) {
        return false;
    }
    if (!preg_match('#\\.txt$#', $file)) {
        return false;
    }
    $id = pathID(str_replace(DISCUSSION_NS . '/', '', $file));
    $data[] = array('id' => $id, 'old' => $conf['datadir'] . $file, 'new' => metaFN($id, '.comments'));
    return true;
}

	function handle_pageredirect_redirect(&$event, $param) {
		global $ID, $ACT, $REV;

		if (($ACT == 'show' || $ACT == '') && empty($REV)) {
			$page = p_get_metadata($ID,'relation isreplacedby');

			// return if no redirection data
			if (empty($page)) { return; }

			if (isset($_GET['redirect'])) {
				// return if redirection is temporarily disabled,
				// or we have been redirected 5 times in a row
				if ($_GET['redirect'] == 'no' || $_GET['redirect'] > 4) { return; }
				elseif ($_GET['redirect'] > 0) { $redirect = $_GET['redirect'] +1; }
				else { $redirect = 1; }
			} else {
				$redirect = 1;
			}

			// verify metadata currency
			if (@filemtime(metaFN($ID,'.meta')) < @filemtime(wikiFN($ID))) { return; }

			if (!headers_sent() && $this->getConf('show_note')) {
				// remember to show note about being redirected from another page
				session_start();
				$_SESSION[DOKU_COOKIE]['redirect'] = $ID;
			}

			// preserve #section from $page
			list($page, $section) = explode('#', $page, 2);
			if (isset($section)) {
				$section = '#' . $section;
			} else {
				$section = '';
			}

			// redirect
			header("HTTP/1.1 301 Moved Permanently");
			header("Location: ".wl($page, Array('redirect' => $redirect), TRUE, '&'). $section);
			exit();
		}
	}

 /**
  * Create output
  */
 function render($mode, &$renderer, $data)
 {
     if (empty($data)) {
         return false;
     }
     global $ID;
     if ($mode == 'xhtml') {
         list($state, $match) = $data;
         switch ($state) {
             case DOKU_LEXER_SPECIAL:
                 $this->helper->setUpdate($match);
                 $metafile = metaFN('newsfeed:timestamp', '.meta');
                 io_saveFile($metafile, time());
                 $renderer->doc .= "";
                 break;
         }
         return true;
     }
     return false;
 }

 function handle_pageredirect_redirect(&$event, $param)
 {
     global $ID, $ACT, $REV;
     if (($ACT == 'show' || $ACT == '') && empty($REV)) {
         $page = p_get_metadata($ID, 'relation isreplacedby');
         // return if no redirection data
         if (empty($page)) {
             return;
         }
         if (isset($_GET['redirect'])) {
             // return if redirection is temporarily disabled,
             // or we have been redirected 5 times in a row
             if ($_GET['redirect'] == 'no' || $_GET['redirect'] > 4) {
                 return;
             } elseif ($_GET['redirect'] > 0) {
                 $redirect = $_GET['redirect'] + 1;
             } else {
                 $redirect = 1;
             }
         } else {
             $redirect = 1;
         }
         // verify metadata currency
         if (@filemtime(metaFN($ID, '.meta')) < @filemtime(wikiFN($ID))) {
             return;
         }
         if (!headers_sent() && $this->getConf('show_note')) {
             // remember to show note about being redirected from another page
             session_start();
             if (!isset($_SESSION[DOKU_COOKIE]['redirect']) || $redirect == 1) {
                 $_SESSION[DOKU_COOKIE]['redirect'] = $ID;
             }
         }
         // redirect
         resolve_pageid(getNS($ID), $page, $exists);
         header("Location: " . wl($page, array('redirect' => $redirect), TRUE, '&'));
         exit;
     }
 }

 /**
  * Handle the match
  */
 function handle($match, $state, $pos, &$handler)
 {
     global $ID, $ACT, $REV;
     // strip markup
     $match = substr($match, 12, -2);
     // split title (if there is one)
     list($match, $title) = explode('|', $match, 2);
     // assign discussion state
     if ($match == ':off') {
         $status = 0;
     } else {
         if ($match == ':closed') {
             $status = 2;
         } else {
             $status = 1;
         }
     }
     if ($ACT == 'preview' || $REV) {
         return false;
     }
     // get discussion meta file name
     $file = metaFN($ID, '.comments');
     $data = array();
     if (@file_exists($file)) {
         $data = unserialize(io_readFile($file, false));
     }
     // only save when the status or title was actually changed, the timestamp of the .comments file is used
     // as sorting criteria for the threads view!
     // note that isset can't be used for the first test as isset returns false for NULL values!
     if (!array_key_exists('title', $data) || $data['title'] !== $title || !isset($data['status']) || $data['status'] !== $status) {
         $data['title'] = $title;
         $data['status'] = $status;
         io_saveFile($file, serialize($data));
     }
     return $status;
 }

/**
 * read the metadata from source/cache for $id
 * (internal use only - called by p_get_metadata & p_set_metadata)
 *
 * this function also converts the metadata from the original format to
 * the current format ('current' & 'persistent' arrays)
 *
 * @author   Christopher Smith <[email protected]>
 *
 * @param    string   $id      absolute wiki page id
 * @param    bool     $cache   whether or not to cache metadata in memory
 *                             (only use for metadata likely to be accessed several times)
 *
 * @return   array             metadata
 */
function p_read_metadata($id, $cache = false)
{
    global $cache_metadata;
    if (isset($cache_metadata[(string) $id])) {
        return $cache_metadata[(string) $id];
    }
    $file = metaFN($id, '.meta');
    $meta = @file_exists($file) ? unserialize(io_readFile($file, false)) : array('current' => array(), 'persistent' => array());
    // convert $meta from old format to new (current+persistent) format
    if (!isset($meta['current'])) {
        $meta = array('current' => $meta, 'persistent' => $meta);
        // remove non-persistent keys
        unset($meta['persistent']['title']);
        unset($meta['persistent']['description']['abstract']);
        unset($meta['persistent']['description']['tableofcontents']);
        unset($meta['persistent']['relation']['haspart']);
        unset($meta['persistent']['relation']['references']);
        unset($meta['persistent']['date']['valid']);
        if (empty($meta['persistent']['description'])) {
            unset($meta['persistent']['description']);
        }
        if (empty($meta['persistent']['relation'])) {
            unset($meta['persistent']['relation']);
        }
        if (empty($meta['persistent']['date'])) {
            unset($meta['persistent']['date']);
        }
        // save converted metadata
        io_saveFile($file, serialize($meta));
    }
    if ($cache) {
        $cache_metadata[(string) $id] = $meta;
    }
    return $meta;
}

    function registerOnLoad($js)
    {
        global $ID;
        global $lang;
        global $skip_styling;
        $preview_button = $lang['btn_preview'];
        $ckgedit_conf_direction = $this->getConf('direction');
        if ($ckgedit_conf_direction == "dokuwiki") {
            $ckgedit_lang_direction = $lang['direction'];
        } else {
            $ckgedit_lang_direction = $ckgedit_conf_direction;
        }
        $ImageUploadAllowedExtensions = $this->get_ckgedit_ImageAllowedExtensions();
        $media_tmp_ns = preg_match('/:/', $ID) ? preg_replace('/:\\w+$/', "", $ID, 1) : "";
        $locktimer_msg = "Your lock for editing this page is about to expire in a minute.\\n" . "You can reset the timer by clicking the Back-up button.";
        $meta_fn = metaFN($ID, '.ckgedit');
        $meta_id = 'meta/' . str_replace(':', '/', $ID) . '.ckgedit';
        global $INFO;
        global $conf;
        global $USERINFO;
        $_OS = strtolower(PHP_OS);
        $cname = getCacheName($INFO['client'] . $ID, '.draft');
        $useheading = $conf['useheading'];
        if ($useheading && $useheading != 'content' && $useheading != '0') {
            $useheading = 'y';
        } else {
            $useheading = 'n';
        }
        //msg('uh='.$useheading);
        $open_upload = $this->getConf('open_upload');
        $editor_backup = $this->getConf('editor_bak');
        $create_folder = $this->getConf('create_folder');
        $interface_lang = $this->getConf('other_lang');
        $scayt_lang = $this->getConf('scayt_lang');
        list($name, $scayt_lang) = explode('/', $scayt_lang);
        $scayt_auto = $this->getConf('scayt_auto');
        $color_opts = $this->getConf('color_options');
        $font_opts = $this->getConf('font_options');
        $toolbar_opts = $this->getConf('alt_toolbar');
        $mfiles = $this->getConf('mfiles');
        if (!isset($INFO['userinfo']) && !$open_upload) {
            $user_type = 'visitor';
        } else {
            $user_type = 'user';
        }
        $save_dir = DOKU_URL . ltrim($conf['savedir'], '/.\\/');
        // if no ACL is used always return upload rights
        if ($conf['useacl']) {
            $client = $_SERVER['REMOTE_USER'];
        } else {
            $client = "";
        }
        $user_name = $USERINFO['name'];
        $user_email = $USERINFO['mail'];
        $fnencode = isset($conf['fnencode']) ? $conf['fnencode'] : 'url';
        $user_groups = $USERINFO['grps'];
        if (!$user_groups) {
            $user_groups = array();
        }
        if (@in_array("guest", $user_groups)) {
            $create_folder = 'n';
            $user_type = 'visitor';
        }
        $user_groups = implode(";;", $user_groups);
        if ($INFO['isadmin'] || $INFO['ismanager']) {
            $client = "";
        }
        $ver_anteater = mktime(0, 0, 0, 11, 7, 2010);
        $dwiki_version = mktime(0, 0, 0, 01, 01, 2008);
        if (isset($conf['fnencode'])) {
            $ver_anteater = mktime(0, 0, 0, 11, 7, 2010);
            $dwiki_version = mktime(0, 0, 0, 11, 7, 2010);
        } else {
            if (function_exists('getVersionData')) {
                $verdata = getVersionData();
                if (isset($verdata) && preg_match('/(\\d+)-(\\d+)-(\\d+)/', $verdata['date'], $ver_date)) {
                    if ($ver_date[1] >= 2005 && ($ver_date[3] > 0 && $ver_date[3] < 31) && ($ver_date[2] > 0 && $ver_date[2] <= 12)) {
                        // month        day               year
                        $dwiki_version = @mktime(0, 0, 0, $ver_date[2], $ver_date[3], $ver_date[1]);
                        if (!$dwiki_version) {
                            $dwiki_version = mktime(0, 0, 0, 01, 01, 2008);
                        }
                        $ver_anteater = mktime(0, 0, 0, 11, 7, 2010);
                    }
                }
            }
        }
        $default_fb = $this->getConf('default_fb');
        if ($default_fb == 'none') {
            $client = "";
        }
        $doku_base = DOKU_BASE;
        return <<<end_of_string


<script type='text/javascript'>
 //<![CDATA[

if(window.dw_locktimer) {
   var locktimer = dw_locktimer;
//.........这里部分代码省略.........