<?php /** * @file mod/help.php */ use Friendica\App; use Friendica\Content\Nav; use Friendica\Content\Text\Markdown; use Friendica\Core\L10n; use Friendica\Core\System; if (!function_exists('load_doc_file')) { function load_doc_file($s) { global $lang; if (!isset($lang)) $lang = 'en'; $b = basename($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'); global $lang; $text = ''; if ($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; }