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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 shorten text.
*
* @package core
* @category output
* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\output;
defined('MOODLE_INTERNAL') || die();
use Mustache_LambdaHelper;
use renderer_base;
/**
* This class will call shorten_text with the section content.
*
* @copyright 2017 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mustache_shorten_text_helper {
/**
* Read a length and text component from the string.
*
* {{#shortentext}}50,Some test to shorten{{/shortentext}}
*
* Both args are required. The length must come first.
*
* @param string $args The text to parse for arguments.
* @param Mustache_LambdaHelper $helper Used to render nested mustache variables.
* @return string
*/
public function shorten($args, Mustache_LambdaHelper $helper) {
// Split the text into an array of variables.
list($length, $text) = explode(',', $args, 2);
$length = trim($length);
$text = trim($text);
// Allow mustache tags in the text.
$text = $helper->render($text);
return shorten_text($text, $length);
}
}