/**
  * Block Plugin Main Function
  */
 function convert()
 {
     sonots::init_myerror();
     do {
         // try
         global $vars, $defaultpage;
         $args = func_get_args();
         $line = csv_implode(',', $args);
         $options = PluginSonotsOption::parse_option_line($line);
         list($options, $unknowns) = PluginSonotsOption::evaluate_options($options, $this->conf_options);
         $current = isset($vars['page']) ? $vars['page'] : $defaultpage;
         $page = isset($options['page']) ? $options['page'] : $current;
         $page = PluginContentsx::check_page($page, $current);
         $options = PluginContentsx::check_options($page, $current, $options, $unknowns);
         if (sonots::mycatch()) {
             break;
         }
         $html = PluginContentsx::display_toc($page, $options);
         if ($html != '') {
             $html = '<table border="0" class="toc"><tbody>' . "\n" . '<tr><td class="toctitle">' . "\n" . '<span>' . _('Table of Contents') . "</span>\n" . "</td></tr>\n" . '<tr><td class="toclist">' . "\n" . $html . "</td></tr>\n" . "</tbody></table>\n";
         }
         return $html;
     } while (false);
     if (sonots::mycatch()) {
         // catch
         return '<p>#contentsx(): ' . sonots::mycatch() . '</p>';
     }
 }
 /**
  * List pages
  *
  * @param array $pages
  * @param array $options
  * @param array $argoptions
  * @return string html
  */
 function pagelist($pages, $options, $argoptions)
 {
     $pagelist = new PluginSonotsPagelist($pages);
     if ($options['non_list']) {
         $pattern = '/' . $GLOBALS['non_list'] . '/';
         $pagelist->grep_by('page', 'preg', $pattern, true);
         // inverse
     }
     if (isset($options['filter']) && $options['filter'] !== '') {
         $pagelist->grep_by('relname', 'preg', '/' . str_replace('/', '\\/', $options['filter']) . '/');
     }
     if (isset($options['except'])) {
         $pagelist->grep_by('relname', 'preg', '/' . str_replace('/', '\\/', $options['except']) . '/', true);
         // inverse
     }
     if (isset($options['newpage'])) {
         switch ($options['newpage']) {
             case 'on':
                 $pagelist->gen_metas('newpage');
                 $pagelist->grep_by('newpage', 'eq', true);
                 break;
             case 'except':
             case 'off':
                 $pagelist->gen_metas('newpage');
                 $pagelist->grep_by('newpage', 'eq', false);
                 break;
             default:
                 break;
         }
     }
     if (is_array($options['info']) || $options['sort'] === 'date') {
         $pagelist->gen_metas('timestamp');
     }
     if ($options['sort'] === 'popular') {
         $pagelist->gen_metas('popular', array($options['popular']));
     }
     if ($options['sort'] === 'reading') {
         $pagelist->gen_metas('reading');
     }
     if ($options['sort'] === 'title') {
         $pagelist->gen_metas('title');
     }
     $pagelist->sort_by($options['sort'], $options['reverse']);
     $max = count($pagelist->metapages);
     // for next option
     if (is_array($options['num'])) {
         list($offset, $length) = $options['num'];
         $pagelist->slice($offset, $length);
     }
     //// display
     if (isset($options['include'])) {
         $pages = $pagelist->get_metas('page');
         $include = new PluginIncludex();
         // just want static var
         $includes = array();
         foreach ($pages as $i => $page) {
             $includes[$i] = PluginIncludex::display_include($page, $options['include'], $include->syntax);
         }
         $html = implode("\n", $includes);
     } else {
         $pagelist->init_metas('depth', 1);
         $pagelist->gen_metas('link', array($options['linkstr'], $options['link']));
         $links = $pagelist->get_metas('link');
         $infos = array();
         if (is_array($options['info'])) {
             $pagelist->gen_metas('info', array($options['info']));
             $infos = $pagelist->get_metas('info');
         }
         $tocs = array();
         if (isset($options['contents'])) {
             $pages = $pagelist->get_metas('page');
             foreach ($pages as $i => $page) {
                 $toc_options = PluginContentsx::check_options($page, '', $options['contents']);
                 $tocs[$i] = PluginContentsx::display_toc($page, $toc_options);
             }
         }
         $items = array();
         foreach ($links as $i => $link) {
             $items[$i] = $links[$i];
             if (isset($infos[$i])) {
                 $items[$i] .= ' ' . $infos[$i];
             }
             if (isset($tocs[$i])) {
                 $items[$i] .= $tocs[$i];
             }
         }
         $levels = $pagelist->get_metas('depth');
         $html = sonots::display_list($items, $levels, $this->plugin);
     }
     if ($options['next'] && is_array($options['num'])) {
         $argoptions['tag'] = $options['tag'];
         unset($argoptions['num']);
         $argoptions = array_intersect_key($argoptions, $options);
         $argline = PluginSonotsOption::glue_uri_option_line($argoptions);
         $basehref = get_script_uri() . '?cmd=' . $this->plugin;
         $basehref .= empty($argline) ? '' : '&amp;' . htmlspecialchars($argline);
         $current = PluginSonotsOption::conv_interval($options['num']);
         $html .= $pagelist->display_navi($current, array(1, $max), $basehref, $this->plugin);
     }
     return $html;
 }