comparison vendor/doctrine/common/lib/Doctrine/Common/Proxy/Autoloader.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?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\Proxy;
+
+use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
+
+/**
+ * Special Autoloader for Proxy classes, which are not PSR-0 compliant.
+ *
+ * @author Benjamin Eberlei <[e-mail]>
+ */
+class Autoloader
+{
+    /**
+     * Resolves proxy class name to a filename based on the following pattern.
+     *
+     * 1. Remove Proxy namespace from class name.
+     * 2. Remove namespace separators from remaining class name.
+     * 3. Return PHP filename from proxy-dir with the result from 2.
+     *
+     * @param string $proxyDir
+     * @param string $proxyNamespace
+     * @param string $className
+     *
+     * @return string
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function resolveFile($proxyDir, $proxyNamespace, $className)
+    {
+        if (0 !== strpos($className, $proxyNamespace)) {
+            throw InvalidArgumentException::notProxyClass($className, $proxyNamespace);
+        }
+
+        $className = str_replace('\\', '', substr($className, strlen($proxyNamespace) + 1));
+
+        return $proxyDir . DIRECTORY_SEPARATOR . $className . '.php';
+    }
+
+    /**
+     * Registers and returns autoloader callback for the given proxy dir and namespace.
+     *
+     * @param string        $proxyDir
+     * @param string        $proxyNamespace
+     * @param callable|null $notFoundCallback Invoked when the proxy file is not found.
+     *
+     * @return \Closure
+     *
+     * @throws InvalidArgumentException
+     */
+    public static function register($proxyDir, $proxyNamespace, $notFoundCallback = null)
+    {
+        $proxyNamespace = ltrim($proxyNamespace, '\\');
+
+        if ( ! (null === $notFoundCallback || is_callable($notFoundCallback))) {
+            throw InvalidArgumentException::invalidClassNotFoundCallback($notFoundCallback);
+        }
+
+        $autoloader = function ($className) use ($proxyDir, $proxyNamespace, $notFoundCallback) {
+            if (0 === strpos($className, $proxyNamespace)) {
+                $file = Autoloader::resolveFile($proxyDir, $proxyNamespace, $className);
+
+                if ($notFoundCallback && ! file_exists($file)) {
+                    call_user_func($notFoundCallback, $proxyDir, $proxyNamespace, $className);
+                }
+
+                require $file;
+            }
+        };
+
+        spl_autoload_register($autoloader);
+
+        return $autoloader;
+    }
+}