mediawiki-extensions-Syntax.../maintenance/updateLexerList.php
Kunal Mehta 987187935c Make sure $wgPygmentizePath is sane only when we need it
This avoids having an extension function, which runs on every request,
regardless of whether it uses syntax highlighting or not.

Change-Id: I890348b73af956819300cce64d0672dcdb209c19
2017-07-06 00:57:40 -07:00

77 lines
2.4 KiB
PHP

<?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 Symfony\Component\Process\ProcessBuilder;
$IP = getenv( 'MW_INSTALL_PATH' ) ?: __DIR__ . '/../../..';
require_once "$IP/maintenance/Maintenance.php";
class UpdateLanguageList extends Maintenance {
public function __construct() {
parent::__construct();
$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 = [];
$builder = new ProcessBuilder();
$builder->setPrefix( SyntaxHighlight_GeSHi::getPygmentizePath() );
$process = $builder->add( '-L' )->add( 'lexer' )->getProcess();
$process->run();
if ( !$process->isSuccessful() ) {
throw new \RuntimeException( $process->getErrorOutput() );
}
$output = $process->getOutput();
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 = 'UpdateLanguageList';
require_once RUN_MAINTENANCE_IF_MAIN;