Current File : /www/varak.net/wiki.varak.net/includes/AutoLoader.php
<?php
/**
* This defines autoloading handler for whole MediaWiki framework
*
* 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
*/
/**
* Locations of core classes
* Extension classes are specified with $wgAutoloadClasses
* This array is a global instead of a static member of AutoLoader to work around a bug in APC
*/
require_once __DIR__ . '/../autoload.php';
class AutoLoader {
static protected $autoloadLocalClassesLower = null;
/**
* @private Only public for ExtensionRegistry
* @var string[] Namespace (ends with \) => Path (ends with /)
*/
static public $psr4Namespaces = [];
/**
* autoload - take a class name and attempt to load it
*
* @param string $className Name of class we're looking for.
*/
static function autoload( $className ) {
global $wgAutoloadClasses, $wgAutoloadLocalClasses,
$wgAutoloadAttemptLowercase;
$filename = false;
if ( isset( $wgAutoloadLocalClasses[$className] ) ) {
$filename = $wgAutoloadLocalClasses[$className];
} elseif ( isset( $wgAutoloadClasses[$className] ) ) {
$filename = $wgAutoloadClasses[$className];
} elseif ( $wgAutoloadAttemptLowercase ) {
/*
* Try a different capitalisation.
*
* PHP 4 objects are always serialized with the classname coerced to lowercase,
* and we are plagued with several legacy uses created by MediaWiki < 1.5, see
* https://wikitech.wikimedia.org/wiki/Text_storage_data
*/
$lowerClass = strtolower( $className );
if ( self::$autoloadLocalClassesLower === null ) {
self::$autoloadLocalClassesLower = array_change_key_case( $wgAutoloadLocalClasses, CASE_LOWER );
}
if ( isset( self::$autoloadLocalClassesLower[$lowerClass] ) ) {
if ( function_exists( 'wfDebugLog' ) ) {
wfDebugLog( 'autoloader', "Class {$className} was loaded using incorrect case" );
}
$filename = self::$autoloadLocalClassesLower[$lowerClass];
}
}
if ( !$filename && strpos( $className, '\\' ) !== false ) {
// This class is namespaced, so try looking at the namespace map
$prefix = $className;
while ( false !== $pos = strrpos( $prefix, '\\' ) ) {
// Check to see if this namespace prefix is in the map
$prefix = substr( $className, 0, $pos + 1 );
if ( isset( self::$psr4Namespaces[$prefix] ) ) {
$relativeClass = substr( $className, $pos + 1 );
// Build the expected filename, and see if it exists
$file = self::$psr4Namespaces[$prefix] . '/' .
str_replace( '\\', '/', $relativeClass ) . '.php';
if ( file_exists( $file ) ) {
$filename = $file;
break;
}
}
// Remove trailing separator for next iteration
$prefix = rtrim( $prefix, '\\' );
}
}
if ( !$filename ) {
// Class not found; let the next autoloader try to find it
return;
}
// Make an absolute path, this improves performance by avoiding some stat calls
if ( substr( $filename, 0, 1 ) != '/' && substr( $filename, 1, 1 ) != ':' ) {
global $IP;
$filename = "$IP/$filename";
}
require $filename;
}
/**
* Method to clear the protected class property $autoloadLocalClassesLower.
* Used in tests.
*/
static function resetAutoloadLocalClassesLower() {
self::$autoloadLocalClassesLower = null;
}
/**
* Get a mapping of namespace => file path
* The namespaces should follow the PSR-4 standard for autoloading
*
* @see <http://www.php-fig.org/psr/psr-4/>
* @private Only public for usage in AutoloadGenerator
* @codeCoverageIgnore
* @since 1.31
* @return string[]
*/
public static function getAutoloadNamespaces() {
return [
'MediaWiki\\Auth\\' => __DIR__ . '/auth/',
'MediaWiki\\Edit\\' => __DIR__ . '/edit/',
'MediaWiki\\EditPage\\' => __DIR__ . '/editpage/',
'MediaWiki\\Linker\\' => __DIR__ . '/linker/',
'MediaWiki\\Preferences\\' => __DIR__ . '/preferences/',
'MediaWiki\\Revision\\' => __DIR__ . '/Revision/',
'MediaWiki\\Services\\' => __DIR__ . '/services/',
'MediaWiki\\Session\\' => __DIR__ . '/session/',
'MediaWiki\\Shell\\' => __DIR__ . '/shell/',
'MediaWiki\\Sparql\\' => __DIR__ . '/sparql/',
'MediaWiki\\Storage\\' => __DIR__ . '/Storage/',
'MediaWiki\\Tidy\\' => __DIR__ . '/tidy/',
];
}
}
AutoLoader::$psr4Namespaces = AutoLoader::getAutoloadNamespaces();
spl_autoload_register( [ 'AutoLoader', 'autoload' ] );
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