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<?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();
/**
* 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
$paths[] = 'legacy/' . strtolower(str_replace('_', '/', substr($class, 3)) . '.php');
$paths[] = strtolower(str_replace('_', '/', substr($class, 3)) . '.php');
} elseif (strpos($class, 'OC\\') === 0) {
$paths[] = strtolower(str_replace('\\', '/', substr($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) {
$paths = $this->findClass($class);
if (is_array($paths)) {
foreach ($paths as $path) {
if ($fullPath = stream_resolve_include_path($path)) {
require_once $fullPath;
}
}
}
return false;
}
}
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