122 lines
2.9 KiB
PHP
122 lines
2.9 KiB
PHP
<?php
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namespace Friendica\Module;
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use Friendica\BaseModule;
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use Friendica\Content\Nav;
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use Friendica\Content\Text\Markdown;
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use Friendica\Core\L10n;
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use Friendica\Network\HTTPException;
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use Friendica\Util\Strings;
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/**
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* Shows the friendica help based on the /doc/ directory
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*/
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class Help extends BaseModule
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{
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public static function content()
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{
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Nav::setSelected('help');
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$text = '';
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$filename = '';
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$a = self::getApp();
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$config = $a->getConfig();
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$lang = $config->get('system', 'language');
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// @TODO: Replace with parameter from router
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if ($a->argc > 1) {
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$path = '';
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// looping through the argv keys bigger than 0 to build
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// a path relative to /help
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for ($x = 1; $x < $a->argc; $x ++) {
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if (strlen($path)) {
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$path .= '/';
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}
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$path .= $a->getArgumentValue($x);
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}
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$title = basename($path);
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$filename = $path;
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$text = self::loadDocFile('doc/' . $path . '.md', $lang);
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$a->page['title'] = L10n::t('Help:') . ' ' . str_replace('-', ' ', Strings::escapeTags($title));
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}
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$home = self::loadDocFile('doc/Home.md', $lang);
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if (!$text) {
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$text = $home;
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$filename = "Home";
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$a->page['title'] = L10n::t('Help');
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} else {
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$a->page['aside'] = Markdown::convert($home, false);
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}
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if (!strlen($text)) {
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throw new HTTPException\NotFoundException();
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}
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$html = Markdown::convert($text, false);
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if ($filename !== "Home") {
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// create TOC but not for home
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$lines = explode("\n", $html);
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$toc = "<h2>TOC</h2><ul id='toc'>";
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$lastLevel = 1;
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$idNum = [0, 0, 0, 0, 0, 0, 0];
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foreach ($lines as &$line) {
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if (substr($line, 0, 2) == "<h") {
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$level = substr($line, 2, 1);
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if ($level != "r") {
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$level = intval($level);
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if ($level < $lastLevel) {
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for ($k = $level; $k < $lastLevel; $k++) {
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$toc .= "</ul></li>";
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}
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for ($k = $level + 1; $k < count($idNum); $k++) {
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$idNum[$k] = 0;
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}
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}
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if ($level > $lastLevel) {
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$toc .= "<li><ul>";
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}
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$idNum[$level] ++;
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$id = implode("_", array_slice($idNum, 1, $level));
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$href = $a->getBaseURL() . "/help/{$filename}#{$id}";
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$toc .= "<li><a href='{$href}'>" . strip_tags($line) . "</a></li>";
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$line = "<a name='{$id}'></a>" . $line;
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$lastLevel = $level;
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}
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}
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}
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for ($k = 0; $k < $lastLevel; $k++) {
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$toc .= "</ul>";
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}
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$html = implode("\n", $lines);
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$a->page['aside'] = '<div class="help-aside-wrapper widget"><div id="toc-wrapper">' . $toc . '</div>' . $a->page['aside'] . '</div>';
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}
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return $html;
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}
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private static function loadDocFile($fileName, $lang = 'en')
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{
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$baseName = basename($fileName);
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$dirName = dirname($fileName);
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if (file_exists("$dirName/$lang/$baseName")) {
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return file_get_contents("$dirName/$lang/$baseName");
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}
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if (file_exists($fileName)) {
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return file_get_contents($fileName);
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}
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return '';
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}
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}
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