lib/html2text/lib.php

   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  * Wrapper for Html2Text
  19  *
  20  * This wrapper allows us to modify the upstream library without hacking it too much.
  21  *
  22  * @package    core
  23  * @copyright  2015 Andrew Nicols <andrew@nicols.uk>
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 require_once($CFG->libdir . '/html2text/Html2Text.php');
  30 require_once(__DIR__ . '/override.php');
  31
  32 /**
  33  * Wrapper for Html2Text
  34  *
  35  * This wrapper allows us to modify the upstream library without hacking it too much.
  36  *
  37  * @package    core
  38  * @copyright  2015 Andrew Nicols <andrew@nicols.uk>
  39  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40  */
  41 class core_html2text extends \Html2Text\Html2Text {
  42
  43     /**
  44      * Constructor.
  45      *
  46      * If the HTML source string (or file) is supplied, the class
  47      * will instantiate with that source propagated, all that has
  48      * to be done it to call get_text().
  49      *
  50      * @param string $html    Source HTML
  51      * @param array  $options Set configuration options
  52      */
  53     function __construct($html = '', $options = array()) {
  54         // Call the parent constructor.
  55         parent::__construct($html, $options);
  56
  57         // MDL-27736: Trailing spaces before newline or tab.
  58         $this->entSearch[] = '/[ ]+([\n\t])/';
  59         $this->entReplace[] = '\\1';
  60     }
  61
  62     /**
  63      * Strtoupper multibyte wrapper function with HTML entities handling.
  64      *
  65      * @param string $str Text to convert
  66      * @return string Converted text
  67      */
  68     protected function strtoupper($str) {
  69         return core_text::strtoupper($str);
  70     }
  71 }