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<?php
/**
* Generate a php file containing an array of
* utf8_lowercase => utf8_uppercase
* overrides. Takes as input two json files generated with generateUpperCharTable.php
* as input.
*
* Example: Prepare Language::ucfirst on newer PHP 7.4 to work like the current PHP 7.2
*
* $ php7.2 maintenance/language/generateUpperCharTable.php --outfile php72.json
* $ php7.4 maintenance/language/generateUpperCharTable.php --outfile php74.json
* $ php7.2 maintenance/language/generateUcfirstOverrides.php \
* --override php74.json --with php72.json --outfile test.php
*
* 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
* @ingroup MaintenanceLanguage
*/
use Wikimedia\StaticArrayWriter;
// @codeCoverageIgnoreStart
require_once __DIR__ . '/../Maintenance.php';
// @codeCoverageIgnoreEnd
class GenerateUcfirstOverrides extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription(
'Generates a php source file containing a definition for mb_strtoupper overrides' );
$this->addOption( 'outfile', 'Output file', true, true, 'o' );
$this->addOption( 'override', 'Char table we want to avoid (e.g. future PHP)',
true, true, false, true );
$this->addOption( 'with', 'Char table we want to obtain or preserve (e.g. current PHP)', true, true );
}
public function execute() {
$outfile = $this->getOption( 'outfile' );
$fromTables = [];
foreach ( $this->getOption( 'override' ) as $fileName ) {
$fromTables[] = $this->loadJson( $fileName );
}
$to = $this->loadJson( $this->getOption( 'with' ) );
$overrides = [];
foreach ( $fromTables as $from ) {
foreach ( $from as $lc => $uc ) {
$ref = $to[$lc] ?? null;
if ( $ref !== null && $ref !== $uc ) {
$overrides[$lc] = $ref;
}
}
}
ksort( $overrides );
$writer = new StaticArrayWriter();
file_put_contents(
$outfile,
$writer->create( $overrides, 'File created by generateUcfirstOverrides.php' )
);
}
private function loadJson( $filename ) {
$data = file_get_contents( $filename );
if ( $data === false ) {
$msg = sprintf( "Could not load data from file '%s'\n", $filename );
$this->fatalError( $msg );
}
$json = json_decode( $data, true );
if ( $json === null ) {
$msg = sprintf( "Invalid json in the data file %s\n", $filename );
$this->fatalError( $msg, 2 );
}
return $json;
}
}
// @codeCoverageIgnoreStart
$maintClass = GenerateUcfirstOverrides::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd
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