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Differences Between: [Versions 310 and 400] [Versions 311 and 400] [Versions 39 and 400]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Wrap content in quotes, and escape all special JSON characters used.
  19   *
  20   * @package    core
  21   * @category   output
  22   * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace core\output;
  27  
  28  /**
  29   * Wrap content in quotes, and escape all special JSON characters used.
  30   *
  31   * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>
  32   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33   */
  34  class mustache_quote_helper {
  35  
  36      /**
  37       * Wrap content in quotes, and escape all special JSON characters used.
  38       *
  39       * Note: This helper is only compatible with the standard {{ }} delimeters.
  40       *
  41       * @param string $text The text to parse for arguments.
  42       * @param \Mustache_LambdaHelper $helper Used to render nested mustache variables.
  43       * @return string
  44       */
  45      public function quote($text, \Mustache_LambdaHelper $helper) {
  46          $content = trim($text);
  47          $content = $helper->render($content);
  48  
  49          // Escape the {{ and JSON encode.
  50          $content = json_encode($content);
  51          $content = preg_replace('([{}]{2,3})', '{{=<% %>=}}${0}<%={{ }}=%>', $content);
  52          return $content;
  53      }
  54  }