mirror of
https://github.com/nextcloud/server.git
synced 2024-08-26 05:54:48 +02:00
156 lines
4.6 KiB
PHP
156 lines
4.6 KiB
PHP
<?php
|
|
/**
|
|
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
* See the COPYING-README file.
|
|
*/
|
|
|
|
namespace OC;
|
|
|
|
class Autoloader {
|
|
private $useGlobalClassPath = true;
|
|
|
|
private $prefixPaths = array();
|
|
|
|
private $classPaths = array();
|
|
|
|
/**
|
|
* Optional low-latency memory cache for class to path mapping.
|
|
* @var \OC\Memcache\Cache
|
|
*/
|
|
protected $memoryCache;
|
|
|
|
/**
|
|
* Add a custom prefix to the autoloader
|
|
*
|
|
* @param string $prefix
|
|
* @param string $path
|
|
*/
|
|
public function registerPrefix($prefix, $path) {
|
|
$this->prefixPaths[$prefix] = $path;
|
|
}
|
|
|
|
/**
|
|
* Add a custom classpath to the autoloader
|
|
*
|
|
* @param string $class
|
|
* @param string $path
|
|
*/
|
|
public function registerClass($class, $path) {
|
|
$this->classPaths[$class] = $path;
|
|
}
|
|
|
|
/**
|
|
* disable the usage of the global classpath \OC::$CLASSPATH
|
|
*/
|
|
public function disableGlobalClassPath() {
|
|
$this->useGlobalClassPath = false;
|
|
}
|
|
|
|
/**
|
|
* enable the usage of the global classpath \OC::$CLASSPATH
|
|
*/
|
|
public function enableGlobalClassPath() {
|
|
$this->useGlobalClassPath = true;
|
|
}
|
|
|
|
/**
|
|
* get the possible paths for a class
|
|
*
|
|
* @param string $class
|
|
* @return array|bool an array of possible paths or false if the class is not part of ownCloud
|
|
*/
|
|
public function findClass($class) {
|
|
$class = trim($class, '\\');
|
|
|
|
$paths = array();
|
|
if (array_key_exists($class, $this->classPaths)) {
|
|
$paths[] = $this->classPaths[$class];
|
|
} else if ($this->useGlobalClassPath and array_key_exists($class, \OC::$CLASSPATH)) {
|
|
$paths[] = \OC::$CLASSPATH[$class];
|
|
/**
|
|
* @TODO: Remove this when necessary
|
|
* Remove "apps/" from inclusion path for smooth migration to mutli app dir
|
|
*/
|
|
if (strpos(\OC::$CLASSPATH[$class], 'apps/') === 0) {
|
|
\OC_Log::write('core', 'include path for class "' . $class . '" starts with "apps/"', \OC_Log::DEBUG);
|
|
$paths[] = str_replace('apps/', '', \OC::$CLASSPATH[$class]);
|
|
}
|
|
} elseif (strpos($class, 'OC_') === 0) {
|
|
// first check for legacy classes if underscores are used
|
|
$paths[] = 'private/legacy/' . strtolower(str_replace('_', '/', substr($class, 3)) . '.php');
|
|
$paths[] = 'private/' . strtolower(str_replace('_', '/', substr($class, 3)) . '.php');
|
|
} elseif (strpos($class, 'OC\\') === 0) {
|
|
$paths[] = 'private/' . strtolower(str_replace('\\', '/', substr($class, 3)) . '.php');
|
|
$paths[] = strtolower(str_replace('\\', '/', substr($class, 3)) . '.php');
|
|
} elseif (strpos($class, 'OCP\\') === 0) {
|
|
$paths[] = 'public/' . strtolower(str_replace('\\', '/', substr($class, 4)) . '.php');
|
|
} elseif (strpos($class, 'OCA\\') === 0) {
|
|
list(, $app, $rest) = explode('\\', $class, 3);
|
|
$app = strtolower($app);
|
|
$appPath = \OC_App::getAppPath($app);
|
|
if ($appPath && stream_resolve_include_path($appPath)) {
|
|
$paths[] = $appPath . '/' . strtolower(str_replace('\\', '/', $rest) . '.php');
|
|
// If not found in the root of the app directory, insert '/lib' after app id and try again.
|
|
$paths[] = $appPath . '/lib/' . strtolower(str_replace('\\', '/', $rest) . '.php');
|
|
}
|
|
} elseif (strpos($class, 'Test_') === 0) {
|
|
$paths[] = 'tests/lib/' . strtolower(str_replace('_', '/', substr($class, 5)) . '.php');
|
|
} elseif (strpos($class, 'Test\\') === 0) {
|
|
$paths[] = 'tests/lib/' . strtolower(str_replace('\\', '/', substr($class, 5)) . '.php');
|
|
} else {
|
|
foreach ($this->prefixPaths as $prefix => $dir) {
|
|
if (0 === strpos($class, $prefix)) {
|
|
$path = str_replace('\\', '/', $class) . '.php';
|
|
$path = str_replace('_', '/', $path);
|
|
$paths[] = $dir . '/' . $path;
|
|
}
|
|
}
|
|
}
|
|
return $paths;
|
|
}
|
|
|
|
/**
|
|
* Load the specified class
|
|
*
|
|
* @param string $class
|
|
* @return bool
|
|
*/
|
|
public function load($class) {
|
|
$pathsToRequire = null;
|
|
if ($this->memoryCache) {
|
|
$pathsToRequire = $this->memoryCache->get($class);
|
|
}
|
|
|
|
if (!is_array($pathsToRequire)) {
|
|
// No cache or cache miss
|
|
$pathsToRequire = array();
|
|
foreach ($this->findClass($class) as $path) {
|
|
$fullPath = stream_resolve_include_path($path);
|
|
if ($fullPath) {
|
|
$pathsToRequire[] = $fullPath;
|
|
}
|
|
}
|
|
|
|
if ($this->memoryCache) {
|
|
$this->memoryCache->set($class, $pathsToRequire, 60); // cache 60 sec
|
|
}
|
|
}
|
|
|
|
foreach ($pathsToRequire as $fullPath) {
|
|
require_once $fullPath;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Sets the optional low-latency cache for class to path mapping.
|
|
* @param \OC\Memcache\Cache $memoryCache Instance of memory cache.
|
|
*/
|
|
public function setMemoryCache(\OC\Memcache\Cache $memoryCache = null) {
|
|
$this->memoryCache = $memoryCache;
|
|
}
|
|
}
|