26734f2f5f
Add missing namespace prefix to the constant Change-Id: I3ba37863b1e4de9d64d1c09045c0e5b1da678425 (cherry picked from commit ec02426638f0732a345bd8376f55819ec777741a)
355 lines
13 KiB
PHP
355 lines
13 KiB
PHP
<?php
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/**
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* This defines autoloading handler for whole MediaWiki framework
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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// NO_AUTOLOAD -- file scope code, can't load self
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/**
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* Locations of core classes
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* Extension classes are specified with $wgAutoloadClasses
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*/
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require_once __DIR__ . '/../autoload.php';
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class AutoLoader {
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/**
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* A mapping of namespace => file path for MediaWiki core.
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* The namespaces should follow the PSR-4 standard for autoloading
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*
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* @see <https://www.php-fig.org/psr/psr-4/>
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* @internal Only public for usage in AutoloadGenerator
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* @phpcs-require-sorted-array
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*/
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public const CORE_NAMESPACES = [
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'MediaWiki\\' => __DIR__ . '/',
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'MediaWiki\\Actions\\' => __DIR__ . '/actions/',
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'MediaWiki\\Api\\' => __DIR__ . '/api/',
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'MediaWiki\\Auth\\' => __DIR__ . '/auth/',
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'MediaWiki\\Block\\' => __DIR__ . '/block/',
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'MediaWiki\\Cache\\' => __DIR__ . '/cache/',
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'MediaWiki\\ChangeTags\\' => __DIR__ . '/changetags/',
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'MediaWiki\\Collation\\' => __DIR__ . '/collation/',
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'MediaWiki\\Composer\\' => __DIR__ . '/composer/',
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'MediaWiki\\Config\\' => __DIR__ . '/config/',
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'MediaWiki\\Content\\' => __DIR__ . '/content/',
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'MediaWiki\\Context\\' => __DIR__ . '/context/',
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'MediaWiki\\DAO\\' => __DIR__ . '/dao/',
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'MediaWiki\\DB\\' => __DIR__ . '/db/',
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'MediaWiki\\Debug\\' => __DIR__ . '/debug/',
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'MediaWiki\\Deferred\\' => __DIR__ . '/deferred/',
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'MediaWiki\\Deferred\\LinksUpdate\\' => __DIR__ . '/deferred/LinksUpdate/',
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'MediaWiki\\Diff\\' => __DIR__ . '/diff/',
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'MediaWiki\\EditPage\\' => __DIR__ . '/editpage/',
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'MediaWiki\\Edit\\' => __DIR__ . '/edit/',
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'MediaWiki\\Exception\\' => __DIR__ . '/exception/',
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'MediaWiki\\Export\\' => __DIR__ . '/export/',
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'MediaWiki\\FileBackend\\' => __DIR__ . '/filebackend/',
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'MediaWiki\\FileBackend\\FSFile\\' => __DIR__ . '/libs/filebackend/fsfile/',
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'MediaWiki\\FileBackend\\LockManager\\' => __DIR__ . '/filebackend/lockmanager/',
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'MediaWiki\\FileRepo\\' => __DIR__ . '/filerepo/',
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'MediaWiki\\FileRepo\\File\\' => __DIR__ . '/filerepo/file/',
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'MediaWiki\\HTMLForm\\' => __DIR__ . '/htmlform/',
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'MediaWiki\\HTMLForm\\Field\\' => __DIR__ . '/htmlform/fields/',
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'MediaWiki\\Http\\' => __DIR__ . '/http/',
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'MediaWiki\\Installer\\' => __DIR__ . '/installer/',
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'MediaWiki\\Interwiki\\' => __DIR__ . '/interwiki/',
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'MediaWiki\\JobQueue\\' => __DIR__ . '/jobqueue/',
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'MediaWiki\\JobQueue\\Exceptions\\' => __DIR__ . '/jobqueue/exception/',
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'MediaWiki\\JobQueue\\Jobs\\' => __DIR__ . '/jobqueue/jobs/',
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'MediaWiki\\JobQueue\\Utils\\' => __DIR__ . '/jobqueue/utils/',
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'MediaWiki\\Json\\' => __DIR__ . '/json/',
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'MediaWiki\\Languages\\' => __DIR__ . '/language/',
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'MediaWiki\\Languages\\Data\\' => __DIR__ . '/languages/data/',
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'MediaWiki\\Language\\' => __DIR__ . '/language/',
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'MediaWiki\\Libs\\' => __DIR__ . '/libs/',
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'MediaWiki\\LinkedData\\' => __DIR__ . '/linkeddata/',
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'MediaWiki\\Linker\\' => __DIR__ . '/linker/',
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'MediaWiki\\Logger\\' => __DIR__ . '/debug/logger/',
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'MediaWiki\\Logger\\Monolog\\' => __DIR__ . '/debug/logger/monolog/',
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'MediaWiki\\Logging\\' => __DIR__ . '/logging/',
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'MediaWiki\\Mail\\' => __DIR__ . '/mail/',
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'MediaWiki\\Maintenance\\' => __DIR__ . '/../maintenance/includes/',
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'MediaWiki\\Page\\' => __DIR__ . '/page/',
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'MediaWiki\\Parser\\' => __DIR__ . '/parser/',
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'MediaWiki\\Password\\' => __DIR__ . '/password/',
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'MediaWiki\\PoolCounter\\' => __DIR__ . '/poolcounter/',
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'MediaWiki\\Preferences\\' => __DIR__ . '/preferences/',
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'MediaWiki\\Profiler\\' => __DIR__ . '/profiler/',
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'MediaWiki\\RCFeed\\' => __DIR__ . '/recentchanges/RCFeed/',
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'MediaWiki\\RecentChanges\\' => __DIR__ . '/recentchanges/',
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'MediaWiki\\Registration\\' => __DIR__ . '/registration/',
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'MediaWiki\\RevisionList\\' => __DIR__ . '/revisionlist/',
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'MediaWiki\\Search\\' => __DIR__ . '/search/',
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'MediaWiki\\Search\\SearchWidgets\\' => __DIR__ . '/search/searchwidgets/',
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'MediaWiki\\Session\\' => __DIR__ . '/session/',
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'MediaWiki\\Shell\\' => __DIR__ . '/shell/',
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'MediaWiki\\Site\\' => __DIR__ . '/site/',
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'MediaWiki\\Skin\\' => __DIR__ . '/skins/',
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'MediaWiki\\Sparql\\' => __DIR__ . '/sparql/',
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'MediaWiki\\SpecialPage\\' => __DIR__ . '/specialpage/',
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'MediaWiki\\Specials\\' => __DIR__ . '/specials/',
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'MediaWiki\\Specials\\Contribute\\' => __DIR__ . '/specials/Contribute/',
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'MediaWiki\\Specials\\Redirects\\' => __DIR__ . '/specials/redirects/',
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'MediaWiki\\Tidy\\' => __DIR__ . '/tidy/',
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'MediaWiki\\Title\\' => __DIR__ . '/title/',
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'MediaWiki\\User\\' => __DIR__ . '/user/',
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'MediaWiki\\Utils\\' => __DIR__ . '/utils/',
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'MediaWiki\\Watchlist\\' => __DIR__ . '/watchlist/',
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'MediaWiki\\Widget\\' => __DIR__ . '/widget/',
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'MediaWiki\\Xml\\' => __DIR__ . '/xml/',
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'Wikimedia\\' => __DIR__ . '/libs/',
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'Wikimedia\\ArrayUtils\\' => __DIR__ . '/libs/',
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'Wikimedia\\Composer\\' => __DIR__ . '/libs/composer/',
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'Wikimedia\\DependencyStore\\' => __DIR__ . '/ResourceLoader/dependencystore/',
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'Wikimedia\\EventRelayer\\' => __DIR__ . '/libs/eventrelayer/',
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'Wikimedia\\FileBackend\\' => __DIR__ . '/libs/filebackend/',
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'Wikimedia\\FileBackend\\FileIteration\\' => __DIR__ . '/libs/filebackend/fileiteration/',
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'Wikimedia\\FileBackend\\FileOpHandle\\' => __DIR__ . '/libs/filebackend/fileophandle/',
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'Wikimedia\\FileBackend\\FileOps\\' => __DIR__ . '/libs/filebackend/fileop/',
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'Wikimedia\\FileBackend\\FSFile\\' => __DIR__ . '/libs/filebackend/fsfile/',
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'Wikimedia\\HashRing\\' => __DIR__ . '/libs/',
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'Wikimedia\\HtmlArmor\\' => __DIR__ . '/libs/',
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'Wikimedia\\Http\\' => __DIR__ . '/libs/http/',
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'Wikimedia\\LightweightObjectStore\\' => __DIR__ . '/libs/objectcache/utils/',
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'Wikimedia\\MapCacheLRU\\' => __DIR__ . '/libs/',
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'Wikimedia\\Mime\\' => __DIR__ . '/libs/mime/',
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'Wikimedia\\NonSerializable\\' => __DIR__ . '/libs/',
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'Wikimedia\\ObjectCache\\' => __DIR__ . '/libs/objectcache/',
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'Wikimedia\\Rdbms\\Database\\' => __DIR__ . '/libs/rdbms/database/',
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'Wikimedia\\Rdbms\\Platform\\' => __DIR__ . '/libs/rdbms/platform/',
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'Wikimedia\\Rdbms\\Replication\\' => __DIR__ . '/libs/rdbms/database/replication/',
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'Wikimedia\\StringUtils\\' => __DIR__ . '/libs/',
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'Wikimedia\\Telemetry\\' => __DIR__ . '/libs/telemetry/',
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'Wikimedia\\Timing\\' => __DIR__ . '/libs/',
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'Wikimedia\\UUID\\' => __DIR__ . '/libs/uuid/',
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];
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/**
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* @var string[] Namespace (ends with \) => Path (ends with /)
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*/
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private static $psr4Namespaces = self::CORE_NAMESPACES;
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/**
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* @var string[] Class => File
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*/
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private static $classFiles = [];
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/**
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* Register a directory to load the classes of a given namespace from,
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* per PSR4.
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*
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* @see <https://www.php-fig.org/psr/psr-4/>
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* @since 1.39
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* @param string[] $dirs a map of namespace (ends with \) to path (ends with /)
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*/
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public static function registerNamespaces( array $dirs ): void {
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self::$psr4Namespaces += $dirs;
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}
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/**
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* Register a file to load the given class from.
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* @since 1.39
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*
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* @param string[] $files a map of qualified class names to file names
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*/
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public static function registerClasses( array $files ): void {
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self::$classFiles += $files;
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}
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/**
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* Load a file that declares classes, functions, or constants.
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* The file will be loaded immediately using require_once in function scope.
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*
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* @note The file to be loaded MUST NOT set global variables or otherwise
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* affect the global state. It MAY however use conditionals to determine
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* what to declare and how, e.g. to provide polyfills.
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*
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* @note The file to be loaded MUST NOT assume that MediaWiki has been
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* initialized. In particular, it MUST NOT access configuration variables
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* or MediaWikiServices.
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*
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* @since 1.39
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*
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* @param string $file the path of the file to load.
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*/
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public static function loadFile( string $file ): void {
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require_once $file;
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}
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/**
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* Batch version of loadFile()
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*
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* @see loadFile()
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*
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* @since 1.39
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*
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* @param string[] $files the paths of the files to load.
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*/
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public static function loadFiles( array $files ): void {
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foreach ( $files as $f ) {
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self::loadFile( $f );
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}
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}
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/**
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* Find the file containing the given class.
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*
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* @param string $className Name of class we're looking for.
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* @return string|null The path containing the class, not null if not found
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*/
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public static function find( $className ): ?string {
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global $wgAutoloadLocalClasses, $wgAutoloadClasses;
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// NOTE: $wgAutoloadClasses is supported for compatibility with old-style extension
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// registration files.
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$filename = $wgAutoloadLocalClasses[$className] ??
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self::$classFiles[$className] ??
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$wgAutoloadClasses[$className] ??
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false;
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if ( !$filename && strpos( $className, '\\' ) !== false ) {
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// This class is namespaced, so look in the namespace map
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$prefix = $className;
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// phpcs:ignore Generic.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition
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while ( ( $pos = strrpos( $prefix, '\\' ) ) !== false ) {
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// Check to see if this namespace prefix is in the map
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$prefix = substr( $className, 0, $pos + 1 );
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if ( isset( self::$psr4Namespaces[$prefix] ) ) {
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$relativeClass = substr( $className, $pos + 1 );
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// Build the expected filename, and see if it exists
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$file = self::$psr4Namespaces[$prefix] .
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'/' .
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strtr( $relativeClass, '\\', '/' ) .
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'.php';
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if ( is_file( $file ) ) {
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$filename = $file;
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break;
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}
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}
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// Remove trailing separator for next iteration
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$prefix = rtrim( $prefix, '\\' );
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}
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}
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if ( !$filename ) {
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// Class not found; let the next autoloader try to find it
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return null;
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}
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// Make an absolute path, this improves performance by avoiding some stat calls
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// Optimisation: use string offset access instead of substr
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if ( $filename[0] !== '/' && $filename[1] !== ':' ) {
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$filename = __DIR__ . '/../' . $filename;
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}
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return $filename;
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}
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/**
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* autoload - take a class name and attempt to load it
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*
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* @param string $className Name of class we're looking for.
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*/
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public static function autoload( $className ) {
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$filename = self::find( $className );
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if ( $filename !== null ) {
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require_once $filename;
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}
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}
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///// Methods used during testing //////////////////////////////////////////////
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private static function assertTesting( $method ) {
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if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
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throw new LogicException( "$method is not supported outside phpunit tests!" );
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}
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}
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/**
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* Returns a map of class names to file paths for testing.
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* @note Will throw if called outside of phpunit tests!
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* @return string[]
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*/
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public static function getClassFiles(): array {
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global $wgAutoloadLocalClasses, $wgAutoloadClasses;
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self::assertTesting( __METHOD__ );
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// NOTE: ensure the order of preference is the same as used by find().
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return array_merge(
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$wgAutoloadClasses,
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self::$classFiles,
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$wgAutoloadLocalClasses
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);
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}
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/**
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* Returns a map of namespace names to directories, per PSR4.
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* @note Will throw if called outside of phpunit tests!
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* @return string[]
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*/
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public static function getNamespaceDirectories(): array {
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self::assertTesting( __METHOD__ );
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return self::$psr4Namespaces;
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}
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/**
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* Returns an array representing the internal state of Autoloader,
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* so it can be remembered and later restored during testing.
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* @internal
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* @note Will throw if called outside of phpunit tests!
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* @return array
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*/
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public static function getState(): array {
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self::assertTesting( __METHOD__ );
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return [
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'classFiles' => self::$classFiles,
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'psr4Namespaces' => self::$psr4Namespaces,
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];
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}
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/**
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* Returns an array representing the internal state of Autoloader,
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* so it can be remembered and later restored during testing.
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* @internal
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* @note Will throw if called outside of phpunit tests!
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*
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* @param array $state A state array returned by getState().
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*/
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public static function restoreState( $state ): void {
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self::assertTesting( __METHOD__ );
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self::$classFiles = $state['classFiles'];
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self::$psr4Namespaces = $state['psr4Namespaces'];
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}
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}
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spl_autoload_register( [ 'AutoLoader', 'autoload' ] );
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// Load composer's autoloader if present
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if ( is_readable( __DIR__ . '/../vendor/autoload.php' ) ) {
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require_once __DIR__ . '/../vendor/autoload.php';
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} elseif ( file_exists( __DIR__ . '/../vendor/autoload.php' ) ) {
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die( __DIR__ . '/../vendor/autoload.php exists but is not readable' );
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}
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