<?php
+/**
+ * @file mod/help.php
+ */
-if(! function_exists('load_doc_file')) {
-function load_doc_file($s) {
- global $lang;
- if(! isset($lang))
- $lang = 'en';
+use Friendica\App;
+use Friendica\Content\Nav;
+use Friendica\Content\Text\Markdown;
+use Friendica\Core\Config;
+use Friendica\Core\L10n;
+use Friendica\Core\Renderer;
+use Friendica\Core\System;
+use Friendica\Util\Strings;
+
+function load_doc_file($s)
+{
+ $lang = Config::get('system', 'language');
$b = basename($s);
$d = dirname($s);
- if(file_exists("$d/$lang/$b"))
+ if (file_exists("$d/$lang/$b")) {
return file_get_contents("$d/$lang/$b");
- if(file_exists($s))
- return file_get_contents($s);
- return '';
-}}
+ }
+ if (file_exists($s)) {
+ return file_get_contents($s);
+ }
+ return '';
+}
-function help_content(&$a) {
- nav_set_selected('help');
+function help_content(App $a)
+{
+ Nav::setSelected('help');
- global $lang;
+ $text = '';
+ $filename = '';
- require_once('library/markdown.php');
+ if ($a->argc > 1) {
+ $path = '';
+ // looping through the argv keys bigger than 0 to build
+ // a path relative to /help
+ for ($x = 1; $x < $a->argc; $x ++) {
+ if (strlen($path)) {
+ $path .= '/';
+ }
- $text = '';
+ $path .= $a->getArgumentValue($x);
+ }
+ $title = basename($path);
+ $filename = $path;
+ $text = load_doc_file('doc/' . $path . '.md');
+ $a->page['title'] = L10n::t('Help:') . ' ' . str_replace('-', ' ', Strings::escapeTags($title));
+ }
- if($a->argc > 1) {
- $text = load_doc_file('doc/' . $a->argv[1] . '.md');
- $a->page['title'] = t('Help:') . ' ' . str_replace('-',' ',notags($a->argv[1]));
+ $home = load_doc_file('doc/Home.md');
+ if (!$text) {
+ $text = $home;
+ $filename = "Home";
+ $a->page['title'] = L10n::t('Help');
+ } else {
+ $a->page['aside'] = Markdown::convert($home, false);
}
- if(! $text) {
- $text = load_doc_file('doc/Home.md');
- $a->page['title'] = t('Help');
+
+ if (!strlen($text)) {
+ header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . L10n::t('Not Found'));
+ $tpl = Renderer::getMarkupTemplate("404.tpl");
+ return Renderer::replaceMacros($tpl, [
+ '$message' => L10n::t('Page not found.')
+ ]);
}
-
- if(! strlen($text)) {
- header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
- $tpl = get_markup_template("404.tpl");
- return replace_macros($tpl, array(
- '$message' => 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++) {
+ $toc .= "</ul></li>";
+ }
+
+ for ($k = $level + 1; $k < count($idnum); $k++) {
+ $idnum[$k] = 0;
+ }
+ }
+
+ if ($level > $lastlevel) {
+ $toc .= "<li><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>' . $a->page['aside'] . '</div>';
}
-
- return Markdown($text);
+ return $html;
}