Add Moodle 4.5 support (see MDL-82427)

Author: Fragonite

classes/text_filter.php

@@ -0,0 +1,103 @@
+<?php
+// This file is part of Moodle-oembed-Filter
+//
+// Moodle-oembed-Filter 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-oembed-Filter 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-oembed-Filter.  If not, see <http://www.gnu.org/licenses/>.
+
+namespace filter_oembed;
+
+/**
+ * Filter for component 'filter_oembed'
+ *
+ * @package   filter_oembed
+ * @copyright Erich M. Wappis / Guy Thomas 2016
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author Mat Cannings
+ * @author James McQuillan
+ * @author Vin Bhalerao
+ * @author Erich M. Wappis <[email protected]>
+ * @author Guy Thomas <[email protected]>
+ * @author Mike Churchward <[email protected]>
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+use filter_oembed\service\oembed;
+
+require_once($CFG->libdir.'/filelib.php');
+/**
+ * Main filter class for embedded remote content.
+ *
+ * @package    filter_oembed
+ * @copyright Erich M. Wappis / Guy Thomas 2016
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class text_filter extends \moodle_text_filter {
+
+    /**
+     * content gets filtered, links either wrapped in an <a> tag or in a <div> tag with class="oembed"
+     * will be replaced by embeded content
+     *
+     * @param $text HTML to be processed.
+     * @param $options
+     * @return string String containing processed HTML.
+     */
+    public function filter($text, array $options = array()) {
+        global $PAGE;
+
+        static $initialised = false;
+
+        if (!$initialised) {
+            $PAGE->requires->js_call_amd('filter_oembed/oembed', 'init');
+            $initialised = true;
+        }
+
+        $targettag = get_config('filter_oembed', 'targettag');
+
+        if ($targettag == 'atag' && stripos($text, '</a>') === false) {
+            // Performance shortcut - all regexes below end with the </a> tag.
+            // If not present nothing can match.
+            return $text;
+        }
+
+        $filtered = $text; // We need to return the original value if regex fails!
+        if ($targettag == 'divtag') {
+            $search = '/\<div\s[^\>]*data-oembed-href="(.*?)"(.*?)>(.*?)\<\/div\>/';
+        } else { // Using 'atag'.
+            $search = '/\<a\s[^\>]*href="(.*?)"(?:.*?)>(?:.*?)\<\/a\>/is';
+        }
+
+        $filtered = preg_replace_callback($search, [self::class, 'find_oembeds_callback'], $filtered);
+        if (empty($filtered)) {
+            // If $filtered is emtpy return original $text.
+            return $text;
+        } else {
+            return $filtered;
+        }
+    }
+
+    /**
+     * Callback function to be used by the main filter
+     *
+     * @param $match array An array of matched groups, where [1] is the URL matched.
+     *
+     */
+    private static function find_oembeds_callback($match) {
+        $instance = oembed::get_instance();
+        $result = $instance->html_output($match[1]);
+        if (empty($result)) {
+            $result = $match[0];
+        }
+        return $result;
+    }
+}

filter.php

@@ -28,74 +28,4 @@
  * @author Mike Churchward <[email protected]>
  */
 
-defined('MOODLE_INTERNAL') || die();
-
-use filter_oembed\service\oembed;
-
-require_once($CFG->libdir.'/filelib.php');
-/**
- * Main filter class for embedded remote content.
- *
- * @package    filter_oembed
- * @copyright Erich M. Wappis / Guy Thomas 2016
- * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class filter_oembed extends moodle_text_filter {
-
-    /**
-     * content gets filtered, links either wrapped in an <a> tag or in a <div> tag with class="oembed"
-     * will be replaced by embeded content
-     *
-     * @param $text HTML to be processed.
-     * @param $options
-     * @return string String containing processed HTML.
-     */
-    public function filter($text, array $options = array()) {
-        global $PAGE;
-
-        static $initialised = false;
-
-        if (!$initialised) {
-            $PAGE->requires->js_call_amd('filter_oembed/oembed', 'init');
-            $initialised = true;
-        }
-
-        $targettag = get_config('filter_oembed', 'targettag');
-
-        if ($targettag == 'atag' && stripos($text, '</a>') === false) {
-            // Performance shortcut - all regexes below end with the </a> tag.
-            // If not present nothing can match.
-            return $text;
-        }
-
-        $filtered = $text; // We need to return the original value if regex fails!
-        if ($targettag == 'divtag') {
-            $search = '/\<div\s[^\>]*data-oembed-href="(.*?)"(.*?)>(.*?)\<\/div\>/';
-        } else { // Using 'atag'.
-            $search = '/\<a\s[^\>]*href="(.*?)"(?:.*?)>(?:.*?)\<\/a\>/is';
-        }
-
-        $filtered = preg_replace_callback($search, [self::class, 'find_oembeds_callback'], $filtered);
-        if (empty($filtered)) {
-            // If $filtered is emtpy return original $text.
-            return $text;
-        } else {
-            return $filtered;
-        }
-    }
-
-    /**
-     * Callback function to be used by the main filter
-     *
-     * @param $match array An array of matched groups, where [1] is the URL matched.
-     *
-     */
-    private static function find_oembeds_callback($match) {
-        $instance = oembed::get_instance();
-        $result = $instance->html_output($match[1]);
-        if (empty($result)) {
-            $result = $match[0];
-        }
-        return $result;
-    }
-}
+ class_alias(\filter_oembed\text_filter::class, \filter_oembed::class);