/', $content[$i])
                || preg_match('/^\s*/', $content[$i])
            ) {
                $insideverbatim = true;
                continue;
            } elseif (preg_match('/^\s*\|}/', $content[$i])) {
                $insidetable = false;
                continue;
            } elseif (preg_match('/^\s*}}}/', $content[$i])
                || preg_match('/^\s*<\/pre>/', $content[$i])
                || preg_match('/^\s*<\/verbatim>/', $content[$i])
            ) {
                $insideverbatim = false;
                continue;
            }
            if (($insidetable) || ($insideverbatim)) {
                continue;
            }
            foreach ($levels as $level) {
                if ($level < 1 or $level > 5) continue;
                $phpwikiclassiclevel = 4 - $level;
                $wikicreolelevel = $level + 1;
                $trim = trim($content[$i]);

                if ((((strpos($trim, '=') === 0))
                    && (preg_match('/^\s*(={' . $wikicreolelevel . ',' . $wikicreolelevel . '})([^=].*)$/', $content[$i], $match)))
                    or (((strpos($trim, '!') === 0))
                        && ((preg_match('/^\s*(!{' . $phpwikiclassiclevel . ',' . $phpwikiclassiclevel . '})([^!].*)$/', $content[$i], $match))))
                ) {
                    $this->tocCounter($tocCounter, $level);
                    if (!strstr($content[$i], '#[')) {
                        $s = trim($match[2]);
                        // If it is Wikicreole syntax, remove '='s at the end
                        if (string_starts_with($match[1], "=")) {
                            $s = trim($s, "=");
                            $s = trim($s);
                        }
                        $anchor = $this->nextAnchor($s);
                        $manchor = MangleXmlIdentifier($anchor);
                        $texts = $s;
                        if ($counter) {
                            $texts = $this->getCounter($tocCounter, $firstlevelstyle) . ' ' . $s;
                        }
                        $headers[] = array('text' => $texts,
                            'anchor' => $anchor,
                            'level' => $level);
                        // Change original wikitext, but that is useless art...
                        $content[$i] = $match[1] . " #[|$manchor][$s|#TOC]";
                        // And now change the to be printed markup (XmlTree):
                        // Search $s line in markup
                        /* Url for backlink */
                        $url = WikiURL(new WikiPageName($basepage, false, "TOC"));

                        $j = $this->searchHeader($markup->_content, $j, $s,
                            $match[1], $hstart, $hend,
                            $markup->_basepage);
                        if ($j and isset($markup->_content[$j])) {
                            $x = $markup->_content[$j];
                            $qheading = $this->quote($s);
                            if ($counter)
                                $counterString = $this->getCounter($tocCounter, $firstlevelstyle);
                            if (($hstart === 0) && is_string($markup->_content[$j])) {
                                if ($backlink) {
                                    if ($counter)
                                        $anchorString = "$counterString - \$2";
                                    else
                                        $anchorString = "\$2";
                                } else {
                                    $anchorString = "";
                                    if ($counter)
                                        $anchorString .= "$counterString - ";
                                }
                                if ($x = preg_replace('/()(' . $qheading . ')(<\/h\d>)/',
                                    "\$1$anchorString\$2\$3", $x, 1)
                                ) {
                                    if ($backlink) {
                                        $x = preg_replace('/()(' . $qheading . ')(<\/h\d>)/',
                                            "\$1$anchorString\$3",
                                            $markup->_content[$j], 1);
                                    }
                                    $markup->_content[$j] = $x;
                                }
                            } else {
                                $x = $markup->_content[$hstart];
                                $h = $this->getHeader($match[1]);

                                if ($backlink) {
                                    if ($counter) {
                                        $anchorString = "\$1$counterString - ";
                                    } else {
                                        /* Not possible to make a backlink on a
                                         * title with a WikiWord */
                                        $anchorString = "\$1";
                                    }
                                } else {
                                    $anchorString = "\$1";
                                    if ($counter)
                                        $anchorString .= "$counterString - ";
                                }
                                $x = preg_replace("/(<$h>)(?!.*<\/$h>)/",
                                    $anchorString, $x, 1);
                                if ($backlink) {
                                    $x = preg_replace("/(<$h>)(?!.*<\/$h>)/",
                                        $anchorString,
                                        $markup->_content[$hstart], 1);
                                }
                                $markup->_content[$hstart] = $x;
                            }
                        }
                    }
                }
            }
        }
        return $headers;
    }

    function run($dbi, $argstr, &$request, $basepage)
    {
        global $WikiTheme;
        extract($this->getArgs($argstr, $request));
        if ($pagename) {
            // Expand relative page names.
            $page = new WikiPageName($pagename, $basepage);
            $pagename = $page->name;
        }
        if (!$pagename) {
            return $this->error(sprintf(_("A required argument “%s” is missing."), 'pagename'));
        }
        if (($notoc) or ($liststyle == 'ol')) {
            $with_counter = 1;
        }
        if ($firstlevelstyle and ($firstlevelstyle != 'number')
            and ($firstlevelstyle != 'letter')
                and ($firstlevelstyle != 'roman')
        ) {
            return $this->error(_("Error: firstlevelstyle must be 'number', 'letter' or 'roman'"));
        }

        // Check if page exists.
        if (!($dbi->isWikiPage($pagename))) {
            return $this->error(sprintf(_("Page “%s” does not exist."), $pagename));
        }

        // Check if user is allowed to get the page.
        if (!mayAccessPage('view', $pagename)) {
            return $this->error(sprintf(_("Illegal access to page %s: no read access"),
                $pagename));
        }

        $page = $dbi->getPage($pagename);

        if ($version) {
            if (!is_whole_number($version) or !($version > 0)) {
                return $this->error(_("Error: version must be a positive integer."));
            }
            $r = $page->getRevision($version);
            if ((!$r) || ($r->hasDefaultContents())) {
                return $this->error(sprintf(_("%s: no such revision %d."),
                    $pagename, $version));
            }
        } else {
            $r = $page->getCurrentRevision();
        }

        $current = $page->getCurrentRevision();
        //FIXME: I suspect this only to crash with Apache2
        if (!$current->get('markup') or $current->get('markup') < 2) {
            if (in_array(php_sapi_name(), array('apache2handler', 'apache2filter'))) {
                return $this->error(_("CreateToc disabled for old markup."));
            }
        }

        $content = $r->getContent();

        $html = HTML::div(array('class' => 'toc', 'id' => GenerateId("toc")));
        if ($notoc) {
            $html->setAttr('style', 'display:none;');
        }
        if (($position == "left") or ($position == "right")) {
            $html->setAttr('style', 'float:' . $position . '; width:' . $width . ';');
        }
        $toclistid = GenerateId("toclist");
        $list = HTML::div(array('id' => $toclistid, 'class' => 'toclist'));
        if (!strstr($headers, ",")) {
            $headers = array($headers);
        } else {
            $headers = explode(",", $headers);
        }
        $levels = array();
        foreach ($headers as $h) {
            //replace !!! with level 1, ...
            if (strstr($h, "!")) {
                $hcount = substr_count($h, '!');
                $level = min(max(1, $hcount), 3);
                $levels[] = $level;
            } else {
                $level = min(max(1, (int)$h), 5);
                $levels[] = $level;
            }
        }
        if (TOC_FULL_SYNTAX)
            require_once 'lib/InlineParser.php';
        if ($headers = $this->extractHeaders($content, $dbi->_markup,
            $with_toclink, $with_counter,
            $levels, $firstlevelstyle, $basepage)
        ) {
            foreach ($headers as $h) {
                // proper heading indent
                $level = $h['level'];
                $indent = $level - 1;
                $link = new WikiPageName($pagename, $page, $h['anchor']);
                $li = WikiLink($link, 'known', $h['text']);
                // Hack to suppress pagename before #
                // $li->_attr["href"] = strstr($li->_attr["href"], '#');
                $list->pushContent(HTML::p(HTML::raw
                (str_repeat($indentstr, $indent)), $li));
            }
        }
        $list->setAttr('style', 'display:' . ($jshide ? 'none;' : 'block;'));
        $open = DATA_PATH . '/' . $WikiTheme->_findFile("images/folderArrowOpen.png");
        $close = DATA_PATH . '/' . $WikiTheme->_findFile("images/folderArrowClosed.png");
        if ($noheader) {
        } else {
            $toctoggleid = GenerateId("toctoggle");
            if ($extracollapse)
                $toclink = HTML(_("Table of Contents"),
                    " ",
                    HTML::a(array('id' => 'TOC')),
                    HTML::img(array(
                        'id' => $toctoggleid,
                        'class' => 'wikiaction',
                        'title' => _("Click to display to TOC"),
                        'onclick' => "toggletoc(this, '" . $open . "', '" . $close . "', '" . $toclistid . "')",
                        'alt' => 'toctoggle',
                        'src' => $jshide ? $close : $open)));
            else
                $toclink = HTML::a(array('id' => 'TOC',
                        'class' => 'wikiaction',
                        'title' => _("Click to display"),
                        'onclick' => "toggletoc(this, '" . $open . "', '" . $close . "', '" . $toclistid . "')"),
                    _("Table of Contents"),
                    HTML::span(array('style' => 'display:none',
                        'id' => $toctoggleid), " "));
            $html->pushContent(HTML::p(array('class' => 'toctitle'), $toclink));
        }
        $html->pushContent($list);
        if (count($headers) == 0) {
            // Do not display an empty TOC
            $html->setAttr('style', 'display:none;');
        }
        return $html;
    }
}

// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End: