3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Render;
25 * Interface for template engines
27 abstract class TemplateEngine
35 protected $theme_info;
38 * @param string $theme The current theme name
39 * @param array $theme_info The current theme info array
41 abstract public function __construct(string $theme, array $theme_info);
44 * Checks the template engine is correctly installed and configured and reports error messages in the provided
45 * parameter or displays them directly if it's null.
47 * @param array|null $errors
49 abstract public function testInstall(array &$errors = null);
52 * Returns the rendered template output from the template string and variables
54 * @param string $template
58 abstract public function replaceMacros(string $template, array $vars);
61 * Returns the template string from a file path and an optional sub-directory from the project root
64 * @param string $subDir
67 abstract public function getTemplateFile(string $file, string $subDir = '');