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<?php
/**
* Script to update list of supported lexers.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @author Ori Livneh <ori@wikimedia.org>
* @ingroup Maintenance
*/
use MediaWiki\Shell\Shell;
$IP = getenv( 'MW_INSTALL_PATH' ) ?: __DIR__ . '/../../..';
require_once "$IP/maintenance/Maintenance.php";
class UpdateLexerList extends Maintenance {
public function __construct() {
parent::__construct();
$this->requireExtension( 'SyntaxHighlight' );
$this->addDescription( 'Update list of lexers supported by SyntaxHighlight_GeSHi' );
}
public function execute() {
function lang_filter( $val ) {
return preg_match( '/^[a-zA-Z0-9\-_]+$/', $val );
}
$header = '// Generated by ' . basename( __FILE__ ) . "\n\n";
$lexers = [];
$result = Shell::command(
SyntaxHighlight::getPygmentizePath(),
'-L', 'lexer'
)
->restrict( Shell::RESTRICT_DEFAULT | Shell::NO_NETWORK )
->execute();
if ( $result->getExitCode() != 0 ) {
throw new \RuntimeException( $result->getStderr() );
}
$output = $result->getStdout();
foreach ( explode( "\n", $output ) as $line ) {
if ( substr( $line, 0, 1 ) === '*' ) {
$newLexers = explode( ', ', trim( $line, "* :\n" ) );
$lexers = array_merge( $lexers, $newLexers );
}
}
$lexers = array_unique( $lexers );
sort( $lexers );
$code = "<?php\n" . $header . 'return ' . var_export( $lexers, true ) . ";\n";
$code = preg_replace( '/(\d+ \=\>| (?=\())/i', '', $code );
$code = preg_replace( "/^ +/m", "\t", $code );
file_put_contents( __DIR__ . '/../SyntaxHighlight.lexers.php', $code );
$this->output( "Updated language list written to SyntaxHighlight.lexers.php\n" );
}
}
$maintClass = 'UpdateLexerList';
require_once RUN_MAINTENANCE_IF_MAIN;
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