--- /dev/null
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Annotations;
+
+/**
+ * AnnotationRegistry.
+ */
+final class AnnotationRegistry
+{
+ /**
+ * A map of namespaces to use for autoloading purposes based on a PSR-0 convention.
+ *
+ * Contains the namespace as key and an array of directories as value. If the value is NULL
+ * the include path is used for checking for the corresponding file.
+ *
+ * This autoloading mechanism does not utilize the PHP autoloading but implements autoloading on its own.
+ *
+ * @var array
+ */
+ static private $autoloadNamespaces = array();
+
+ /**
+ * A map of autoloader callables.
+ *
+ * @var array
+ */
+ static private $loaders = array();
+
+ /**
+ * @return void
+ */
+ static public function reset()
+ {
+ self::$autoloadNamespaces = array();
+ self::$loaders = array();
+ }
+
+ /**
+ * Registers file.
+ *
+ * @param string $file
+ *
+ * @return void
+ */
+ static public function registerFile($file)
+ {
+ require_once $file;
+ }
+
+ /**
+ * Adds a namespace with one or many directories to look for files or null for the include path.
+ *
+ * Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
+ *
+ * @param string $namespace
+ * @param string|array|null $dirs
+ *
+ * @return void
+ */
+ static public function registerAutoloadNamespace($namespace, $dirs = null)
+ {
+ self::$autoloadNamespaces[$namespace] = $dirs;
+ }
+
+ /**
+ * Registers multiple namespaces.
+ *
+ * Loading of this namespaces will be done with a PSR-0 namespace loading algorithm.
+ *
+ * @param array $namespaces
+ *
+ * @return void
+ */
+ static public function registerAutoloadNamespaces(array $namespaces)
+ {
+ self::$autoloadNamespaces = array_merge(self::$autoloadNamespaces, $namespaces);
+ }
+
+ /**
+ * Registers an autoloading callable for annotations, much like spl_autoload_register().
+ *
+ * NOTE: These class loaders HAVE to be silent when a class was not found!
+ * IMPORTANT: Loaders have to return true if they loaded a class that could contain the searched annotation class.
+ *
+ * @param callable $callable
+ *
+ * @return void
+ *
+ * @throws \InvalidArgumentException
+ */
+ static public function registerLoader($callable)
+ {
+ if (!is_callable($callable)) {
+ throw new \InvalidArgumentException("A callable is expected in AnnotationRegistry::registerLoader().");
+ }
+ self::$loaders[] = $callable;
+ }
+
+ /**
+ * Autoloads an annotation class silently.
+ *
+ * @param string $class
+ *
+ * @return boolean
+ */
+ static public function loadAnnotationClass($class)
+ {
+ foreach (self::$autoloadNamespaces AS $namespace => $dirs) {
+ if (strpos($class, $namespace) === 0) {
+ $file = str_replace("\\", DIRECTORY_SEPARATOR, $class) . ".php";
+ if ($dirs === null) {
+ if ($path = stream_resolve_include_path($file)) {
+ require $path;
+ return true;
+ }
+ } else {
+ foreach((array)$dirs AS $dir) {
+ if (is_file($dir . DIRECTORY_SEPARATOR . $file)) {
+ require $dir . DIRECTORY_SEPARATOR . $file;
+ return true;
+ }
+ }
+ }
+ }
+ }
+
+ foreach (self::$loaders AS $loader) {
+ if (call_user_func($loader, $class) === true) {
+ return true;
+ }
+ }
+ return false;
+ }
+}