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Frank Karlitschek authored
Show the different editions to the user. Used in the status call, on the personal settings page and in the updater to update to the next available version from the same edition.
Frank Karlitschek authoredShow the different editions to the user. Used in the status call, on the personal settings page and in the updater to update to the next available version from the same edition.
autoloader.php 4.63 KiB
<?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);
foreach (\OC::$APPSROOTS as $appDir) {
if (stream_resolve_include_path($appDir['path'] . '/' . $app)) {
$paths[] = $appDir['path'] . '/' . $app . '/' . strtolower(str_replace('\\', '/', $rest) . '.php');
// If not found in the root of the app directory, insert '/lib' after app id and try again.
$paths[] = $appDir['path'] . '/' . $app . '/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;
}
/**
* @brief 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;
}
}