diff options
Diffstat (limited to 'lib/autoloader.php')
-rw-r--r-- | lib/autoloader.php | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/lib/autoloader.php b/lib/autoloader.php new file mode 100644 index 00000000000..9615838a9a2 --- /dev/null +++ b/lib/autoloader.php @@ -0,0 +1,126 @@ +<?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('\\', DIRECTORY_SEPARATOR, $class) . '.php'; + $path = str_replace('_', DIRECTORY_SEPARATOR, $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; + } +} |