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//
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//
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// You should have received a copy of the GNU General Public License
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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/**
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 * Code highlighter filter.
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 * File only retained to prevent fatal errors in code that tries to require/include this.
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 *
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 *
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 * @todo MDL-82708 delete this file as part of Moodle 6.0 development.
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 * Filter converting text code into a well-styled block of code.
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 *
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 * @deprecated This file is no longer required in Moodle 4.5+.
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 * @package    filter_codehighlighter
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 * @package filter_codehighlighter
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 * @copyright  2023 Meirza <meirza.arson@moodle.com>
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 * @copyright Meirza <meirza.arson@moodle.com>
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class filter_codehighlighter extends moodle_text_filter {
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    /**
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 */
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     * Apply the filter to the text
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     *
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     * @param string $text to be processed by the text
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     * @param array $options filter options
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     * @return string text after processing
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     */
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    public function filter($text, array $options = []): string {
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        global $PAGE;
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        if (!isset($options['originalformat'])) {
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            return $text;
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        }
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        // The pattern.
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        $re = '/<pre.+?class=".*?language-.*?"><code>/i';
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        // Stops looking after the first match.
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        preg_match($re, $text, $matches);
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        if ($matches) {
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            $PAGE->requires->js_call_amd('filter_codehighlighter/prism-init');
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        }
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defined('MOODLE_INTERNAL') || die();
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        return $text;
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