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<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Mustache helper to load strings from string_manager. * * @package core * @category output * @copyright 2015 Damyon Wiese * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core\output; use Mustache_LambdaHelper; use stdClass; /** * This class will load language strings in a template. * * @copyright 2015 Damyon Wiese * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @since 2.9 */ class mustache_string_helper { /** * Read a lang string from a template and get it from get_string. * * Some examples for calling this from a template are: * * {{#str}}activity{{/str}} * {{#str}}actionchoice, core, {{#str}}delete{{/str}}{{/str}} (Nested) * {{#str}}addinganewto, core, {"what":"This", "to":"That"}{{/str}} (Complex $a) * * The args are comma separated and only the first is required. * The last is a $a argument for get string. For complex data here, use JSON. * * @param string $text The text to parse for arguments. * @param Mustache_LambdaHelper $helper Used to render nested mustache variables. * @return string */ public function str($text, Mustache_LambdaHelper $helper) { // Split the text into an array of variables. $key = strtok($text, ","); $key = trim($key); $component = strtok(","); $component = trim($component); if (!$component) { $component = ''; } $a = new stdClass(); $next = strtok(''); $next = trim($next); if ((strpos($next, '{') === 0) && (strpos($next, '{{') !== 0)) { $rawjson = $helper->render($next); $a = json_decode($rawjson); } else { $a = $helper->render($next); } return get_string($key, $component, $a); } }