Proyectos de Subversion Moodle

<?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 length and text.

        $text = $helper->render($text);

        $length = $helper->render($length);

        return shorten_text($text, $length);

    }

}