Merge pull request #333 from twilio/next-gen-autoloader

Next gen autoloader

1 files changed, 146 insertions, 0 deletions

diff --git a/Twilio/autoload.php b/Twilio/autoload.php
new file mode 100644
index 0000000..15e23c8
--- /dev/null
+++ b/Twilio/autoload.php
@@ -0,0 +1,146 @@
+<?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>.
+ */
+
+/**
+ * SplClassLoader implementation that implements the technical interoperability
+ * standards for PHP 5.3 namespaces and class names.
+ *
+ * http://groups.google.com/group/php-standards/web/psr-0-final-proposal?pli=1
+ *
+ *     // Example which loads classes for the Doctrine Common package in the
+ *     // Doctrine\Common namespace.
+ *     $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine');
+ *     $classLoader->register();
+ *
+ * @license http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @author Jonathan H. Wage <jonwage@gmail.com>
+ * @author Roman S. Borschel <roman@code-factory.org>
+ * @author Matthew Weier O'Phinney <matthew@zend.com>
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ * @author Fabien Potencier <fabien.potencier@symfony-project.org>
+ */
+class SplClassLoader {
+    private $_fileExtension = '.php';
+    private $_namespace;
+    private $_includePath;
+    private $_namespaceSeparator = '\\';
+
+    /**
+     * Creates a new <tt>SplClassLoader</tt> that loads classes of the
+     * specified namespace.
+     *
+     * @param string $ns The namespace to use.
+     * @param string $includePath The include path to search
+     */
+    public function __construct($ns = null, $includePath = null) {
+        $this->_namespace = $ns;
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Sets the namespace separator used by classes in the namespace of this class loader.
+     *
+     * @param string $sep The separator to use.
+     */
+    public function setNamespaceSeparator($sep) {
+        $this->_namespaceSeparator = $sep;
+    }
+
+    /**
+     * Gets the namespace separator used by classes in the namespace of this class loader.
+     *
+     * @return string The separator to use.
+     */
+    public function getNamespaceSeparator() {
+        return $this->_namespaceSeparator;
+    }
+
+    /**
+     * Sets the base include path for all class files in the namespace of this class loader.
+     *
+     * @param string $includePath
+     */
+    public function setIncludePath($includePath) {
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Gets the base include path for all class files in the namespace of this class loader.
+     *
+     * @return string $includePath
+     */
+    public function getIncludePath() {
+        return $this->_includePath;
+    }
+
+    /**
+     * Sets the file extension of class files in the namespace of this class loader.
+     *
+     * @param string $fileExtension
+     */
+    public function setFileExtension($fileExtension) {
+        $this->_fileExtension = $fileExtension;
+    }
+
+    /**
+     * Gets the file extension of class files in the namespace of this class loader.
+     *
+     * @return string $fileExtension
+     */
+    public function getFileExtension() {
+        return $this->_fileExtension;
+    }
+
+    /**
+     * Installs this class loader on the SPL autoload stack.
+     */
+    public function register() {
+        spl_autoload_register(array($this, 'loadClass'));
+    }
+
+    /**
+     * Uninstalls this class loader from the SPL autoloader stack.
+     */
+    public function unregister() {
+        spl_autoload_unregister(array($this, 'loadClass'));
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param string $className The name of the class to load.
+     * @return void
+     */
+    public function loadClass($className) {
+        if (null === $this->_namespace || $this->_namespace . $this->_namespaceSeparator === substr($className, 0, strlen($this->_namespace . $this->_namespaceSeparator))) {
+            $fileName = '';
+            $namespace = '';
+            if (false !== ($lastNsPos = strripos($className, $this->_namespaceSeparator))) {
+                $namespace = substr($className, 0, $lastNsPos);
+                $className = substr($className, $lastNsPos + 1);
+                $fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
+            }
+            $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . $this->_fileExtension;
+            require ($this->_includePath !== null ? $this->_includePath . DIRECTORY_SEPARATOR : '') . $fileName;
+        }
+    }
+}
+
+$twilioClassLoader = new SplClassLoader('Twilio', realpath(__DIR__ . DIRECTORY_SEPARATOR . '..'));
+$twilioClassLoader->register();
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