<?php /** * @file mod/help.php */ use Friendica\App; use Friendica\Content\Nav; use Friendica\Content\Text\Markdown; use Friendica\Core\Config; use Friendica\Core\L10n; use Friendica\Core\System; function load_doc_file($s) { $lang = Config::get('system', 'language'); $b = basename($s); $d = dirname($s); if (file_exists("$d/$lang/$b")) { return file_get_contents("$d/$lang/$b"); } if (file_exists($s)) { return file_get_contents($s); } return ''; } function help_content(App $a) { Nav::setSelected('help'); $text = ''; if ($a->argc > 1) { $path = ''; // looping through the argv keys bigger than 0 to build // a path relative to /help for ($x = 1; $x < argc(); $x ++) { if (strlen($path)) { $path .= '/'; } $path .= argv($x); } $title = basename($path); $filename = $path; $text = load_doc_file('doc/' . $path . '.md'); $a->page['title'] = L10n::t('Help:') . ' ' . str_replace('-', ' ', notags($title)); } $home = load_doc_file('doc/Home.md'); if (!$text) { $text = $home; $filename = "Home"; $a->page['title'] = L10n::t('Help'); } else { $a->page['aside'] = Markdown::convert($home, false); } if (!strlen($text)) { header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found')); $tpl = get_markup_template("404.tpl"); return replace_macros($tpl, [ '$message' => L10n::t('Page not found.') ]); } $html = Markdown::convert($text, false); if ($filename !== "Home") { // create TOC but not for home $lines = explode("\n", $html); $toc = "<h2>TOC</h2><ul id='toc'>"; $lastlevel = 1; $idnum = [0, 0, 0, 0, 0, 0, 0]; foreach ($lines as &$line) { if (substr($line, 0, 2) == "<h") { $level = substr($line, 2, 1); if ($level != "r") { $level = intval($level); if ($level < $lastlevel) { for ($k = $level; $k < $lastlevel; $k++) { $toc .= "</ul>"; } for ($k = $level + 1; $k < count($idnum); $k++) { $idnum[$k] = 0; } } if ($level > $lastlevel) { $toc .= "<ul>"; } $idnum[$level] ++; $id = implode("_", array_slice($idnum, 1, $level)); $href = System::baseUrl() . "/help/{$filename}#{$id}"; $toc .= "<li><a href='{$href}'>" . strip_tags($line) . "</a></li>"; $line = "<a name='{$id}'></a>" . $line; $lastlevel = $level; } } } for ($k = 0; $k < $lastlevel; $k++) { $toc .= "</ul>"; } $html = implode("\n", $lines); $a->page['aside'] = '<div class="help-aside-wrapper widget"><div id="toc-wrapper">' . $toc . '</div>' . $a->page['aside'] . '</div>'; } return $html; }