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
27defined('MOODLE_INTERNAL') || die();
28
29require_once($CFG->libdir . '/html2text/Html2Text.php');
30require_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 */
41class 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}
72