--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/enmi/Zend/Loader/Autoloader.php Thu Jan 20 19:30:54 2011 +0100
@@ -0,0 +1,582 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Loader
+ * @subpackage Autoloader
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @version $Id: Autoloader.php 23161 2010-10-19 16:08:36Z matthew $
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+/** Zend_Loader */
+require_once 'Zend/Loader.php';
+
+/**
+ * Autoloader stack and namespace autoloader
+ *
+ * @uses Zend_Loader_Autoloader
+ * @package Zend_Loader
+ * @subpackage Autoloader
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Loader_Autoloader
+{
+ /**
+ * @var Zend_Loader_Autoloader Singleton instance
+ */
+ protected static $_instance;
+
+ /**
+ * @var array Concrete autoloader callback implementations
+ */
+ protected $_autoloaders = array();
+
+ /**
+ * @var array Default autoloader callback
+ */
+ protected $_defaultAutoloader = array('Zend_Loader', 'loadClass');
+
+ /**
+ * @var bool Whether or not to act as a fallback autoloader
+ */
+ protected $_fallbackAutoloader = false;
+
+ /**
+ * @var array Callback for internal autoloader implementation
+ */
+ protected $_internalAutoloader;
+
+ /**
+ * @var array Supported namespaces 'Zend' and 'ZendX' by default.
+ */
+ protected $_namespaces = array(
+ 'Zend_' => true,
+ 'ZendX_' => true,
+ );
+
+ /**
+ * @var array Namespace-specific autoloaders
+ */
+ protected $_namespaceAutoloaders = array();
+
+ /**
+ * @var bool Whether or not to suppress file not found warnings
+ */
+ protected $_suppressNotFoundWarnings = false;
+
+ /**
+ * @var null|string
+ */
+ protected $_zfPath;
+
+ /**
+ * Retrieve singleton instance
+ *
+ * @return Zend_Loader_Autoloader
+ */
+ public static function getInstance()
+ {
+ if (null === self::$_instance) {
+ self::$_instance = new self();
+ }
+ return self::$_instance;
+ }
+
+ /**
+ * Reset the singleton instance
+ *
+ * @return void
+ */
+ public static function resetInstance()
+ {
+ self::$_instance = null;
+ }
+
+ /**
+ * Autoload a class
+ *
+ * @param string $class
+ * @return bool
+ */
+ public static function autoload($class)
+ {
+ $self = self::getInstance();
+
+ foreach ($self->getClassAutoloaders($class) as $autoloader) {
+ if ($autoloader instanceof Zend_Loader_Autoloader_Interface) {
+ if ($autoloader->autoload($class)) {
+ return true;
+ }
+ } elseif (is_array($autoloader)) {
+ if (call_user_func($autoloader, $class)) {
+ return true;
+ }
+ } elseif (is_string($autoloader) || is_callable($autoloader)) {
+ if ($autoloader($class)) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Set the default autoloader implementation
+ *
+ * @param string|array $callback PHP callback
+ * @return void
+ */
+ public function setDefaultAutoloader($callback)
+ {
+ if (!is_callable($callback)) {
+ throw new Zend_Loader_Exception('Invalid callback specified for default autoloader');
+ }
+
+ $this->_defaultAutoloader = $callback;
+ return $this;
+ }
+
+ /**
+ * Retrieve the default autoloader callback
+ *
+ * @return string|array PHP Callback
+ */
+ public function getDefaultAutoloader()
+ {
+ return $this->_defaultAutoloader;
+ }
+
+ /**
+ * Set several autoloader callbacks at once
+ *
+ * @param array $autoloaders Array of PHP callbacks (or Zend_Loader_Autoloader_Interface implementations) to act as autoloaders
+ * @return Zend_Loader_Autoloader
+ */
+ public function setAutoloaders(array $autoloaders)
+ {
+ $this->_autoloaders = $autoloaders;
+ return $this;
+ }
+
+ /**
+ * Get attached autoloader implementations
+ *
+ * @return array
+ */
+ public function getAutoloaders()
+ {
+ return $this->_autoloaders;
+ }
+
+ /**
+ * Return all autoloaders for a given namespace
+ *
+ * @param string $namespace
+ * @return array
+ */
+ public function getNamespaceAutoloaders($namespace)
+ {
+ $namespace = (string) $namespace;
+ if (!array_key_exists($namespace, $this->_namespaceAutoloaders)) {
+ return array();
+ }
+ return $this->_namespaceAutoloaders[$namespace];
+ }
+
+ /**
+ * Register a namespace to autoload
+ *
+ * @param string|array $namespace
+ * @return Zend_Loader_Autoloader
+ */
+ public function registerNamespace($namespace)
+ {
+ if (is_string($namespace)) {
+ $namespace = (array) $namespace;
+ } elseif (!is_array($namespace)) {
+ throw new Zend_Loader_Exception('Invalid namespace provided');
+ }
+
+ foreach ($namespace as $ns) {
+ if (!isset($this->_namespaces[$ns])) {
+ $this->_namespaces[$ns] = true;
+ }
+ }
+ return $this;
+ }
+
+ /**
+ * Unload a registered autoload namespace
+ *
+ * @param string|array $namespace
+ * @return Zend_Loader_Autoloader
+ */
+ public function unregisterNamespace($namespace)
+ {
+ if (is_string($namespace)) {
+ $namespace = (array) $namespace;
+ } elseif (!is_array($namespace)) {
+ throw new Zend_Loader_Exception('Invalid namespace provided');
+ }
+
+ foreach ($namespace as $ns) {
+ if (isset($this->_namespaces[$ns])) {
+ unset($this->_namespaces[$ns]);
+ }
+ }
+ return $this;
+ }
+
+ /**
+ * Get a list of registered autoload namespaces
+ *
+ * @return array
+ */
+ public function getRegisteredNamespaces()
+ {
+ return array_keys($this->_namespaces);
+ }
+
+ public function setZfPath($spec, $version = 'latest')
+ {
+ $path = $spec;
+ if (is_array($spec)) {
+ if (!isset($spec['path'])) {
+ throw new Zend_Loader_Exception('No path specified for ZF');
+ }
+ $path = $spec['path'];
+ if (isset($spec['version'])) {
+ $version = $spec['version'];
+ }
+ }
+
+ $this->_zfPath = $this->_getVersionPath($path, $version);
+ set_include_path(implode(PATH_SEPARATOR, array(
+ $this->_zfPath,
+ get_include_path(),
+ )));
+ return $this;
+ }
+
+ public function getZfPath()
+ {
+ return $this->_zfPath;
+ }
+
+ /**
+ * Get or set the value of the "suppress not found warnings" flag
+ *
+ * @param null|bool $flag
+ * @return bool|Zend_Loader_Autoloader Returns boolean if no argument is passed, object instance otherwise
+ */
+ public function suppressNotFoundWarnings($flag = null)
+ {
+ if (null === $flag) {
+ return $this->_suppressNotFoundWarnings;
+ }
+ $this->_suppressNotFoundWarnings = (bool) $flag;
+ return $this;
+ }
+
+ /**
+ * Indicate whether or not this autoloader should be a fallback autoloader
+ *
+ * @param bool $flag
+ * @return Zend_Loader_Autoloader
+ */
+ public function setFallbackAutoloader($flag)
+ {
+ $this->_fallbackAutoloader = (bool) $flag;
+ return $this;
+ }
+
+ /**
+ * Is this instance acting as a fallback autoloader?
+ *
+ * @return bool
+ */
+ public function isFallbackAutoloader()
+ {
+ return $this->_fallbackAutoloader;
+ }
+
+ /**
+ * Get autoloaders to use when matching class
+ *
+ * Determines if the class matches a registered namespace, and, if so,
+ * returns only the autoloaders for that namespace. Otherwise, it returns
+ * all non-namespaced autoloaders.
+ *
+ * @param string $class
+ * @return array Array of autoloaders to use
+ */
+ public function getClassAutoloaders($class)
+ {
+ $namespace = false;
+ $autoloaders = array();
+
+ // Add concrete namespaced autoloaders
+ foreach (array_keys($this->_namespaceAutoloaders) as $ns) {
+ if ('' == $ns) {
+ continue;
+ }
+ if (0 === strpos($class, $ns)) {
+ $namespace = $ns;
+ $autoloaders = $autoloaders + $this->getNamespaceAutoloaders($ns);
+ break;
+ }
+ }
+
+ // Add internal namespaced autoloader
+ foreach ($this->getRegisteredNamespaces() as $ns) {
+ if (0 === strpos($class, $ns)) {
+ $namespace = $ns;
+ $autoloaders[] = $this->_internalAutoloader;
+ break;
+ }
+ }
+
+ // Add non-namespaced autoloaders
+ $autoloaders = $autoloaders + $this->getNamespaceAutoloaders('');
+
+ // Add fallback autoloader
+ if (!$namespace && $this->isFallbackAutoloader()) {
+ $autoloaders[] = $this->_internalAutoloader;
+ }
+
+ return $autoloaders;
+ }
+
+ /**
+ * Add an autoloader to the beginning of the stack
+ *
+ * @param object|array|string $callback PHP callback or Zend_Loader_Autoloader_Interface implementation
+ * @param string|array $namespace Specific namespace(s) under which to register callback
+ * @return Zend_Loader_Autoloader
+ */
+ public function unshiftAutoloader($callback, $namespace = '')
+ {
+ $autoloaders = $this->getAutoloaders();
+ array_unshift($autoloaders, $callback);
+ $this->setAutoloaders($autoloaders);
+
+ $namespace = (array) $namespace;
+ foreach ($namespace as $ns) {
+ $autoloaders = $this->getNamespaceAutoloaders($ns);
+ array_unshift($autoloaders, $callback);
+ $this->_setNamespaceAutoloaders($autoloaders, $ns);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Append an autoloader to the autoloader stack
+ *
+ * @param object|array|string $callback PHP callback or Zend_Loader_Autoloader_Interface implementation
+ * @param string|array $namespace Specific namespace(s) under which to register callback
+ * @return Zend_Loader_Autoloader
+ */
+ public function pushAutoloader($callback, $namespace = '')
+ {
+ $autoloaders = $this->getAutoloaders();
+ array_push($autoloaders, $callback);
+ $this->setAutoloaders($autoloaders);
+
+ $namespace = (array) $namespace;
+ foreach ($namespace as $ns) {
+ $autoloaders = $this->getNamespaceAutoloaders($ns);
+ array_push($autoloaders, $callback);
+ $this->_setNamespaceAutoloaders($autoloaders, $ns);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Remove an autoloader from the autoloader stack
+ *
+ * @param object|array|string $callback PHP callback or Zend_Loader_Autoloader_Interface implementation
+ * @param null|string|array $namespace Specific namespace(s) from which to remove autoloader
+ * @return Zend_Loader_Autoloader
+ */
+ public function removeAutoloader($callback, $namespace = null)
+ {
+ if (null === $namespace) {
+ $autoloaders = $this->getAutoloaders();
+ if (false !== ($index = array_search($callback, $autoloaders, true))) {
+ unset($autoloaders[$index]);
+ $this->setAutoloaders($autoloaders);
+ }
+
+ foreach ($this->_namespaceAutoloaders as $ns => $autoloaders) {
+ if (false !== ($index = array_search($callback, $autoloaders, true))) {
+ unset($autoloaders[$index]);
+ $this->_setNamespaceAutoloaders($autoloaders, $ns);
+ }
+ }
+ } else {
+ $namespace = (array) $namespace;
+ foreach ($namespace as $ns) {
+ $autoloaders = $this->getNamespaceAutoloaders($ns);
+ if (false !== ($index = array_search($callback, $autoloaders, true))) {
+ unset($autoloaders[$index]);
+ $this->_setNamespaceAutoloaders($autoloaders, $ns);
+ }
+ }
+ }
+
+ return $this;
+ }
+
+ /**
+ * Constructor
+ *
+ * Registers instance with spl_autoload stack
+ *
+ * @return void
+ */
+ protected function __construct()
+ {
+ spl_autoload_register(array(__CLASS__, 'autoload'));
+ $this->_internalAutoloader = array($this, '_autoload');
+ }
+
+ /**
+ * Internal autoloader implementation
+ *
+ * @param string $class
+ * @return bool
+ */
+ protected function _autoload($class)
+ {
+ $callback = $this->getDefaultAutoloader();
+ try {
+ if ($this->suppressNotFoundWarnings()) {
+ @call_user_func($callback, $class);
+ } else {
+ call_user_func($callback, $class);
+ }
+ return $class;
+ } catch (Zend_Exception $e) {
+ return false;
+ }
+ }
+
+ /**
+ * Set autoloaders for a specific namespace
+ *
+ * @param array $autoloaders
+ * @param string $namespace
+ * @return Zend_Loader_Autoloader
+ */
+ protected function _setNamespaceAutoloaders(array $autoloaders, $namespace = '')
+ {
+ $namespace = (string) $namespace;
+ $this->_namespaceAutoloaders[$namespace] = $autoloaders;
+ return $this;
+ }
+
+ /**
+ * Retrieve the filesystem path for the requested ZF version
+ *
+ * @param string $path
+ * @param string $version
+ * @return void
+ */
+ protected function _getVersionPath($path, $version)
+ {
+ $type = $this->_getVersionType($version);
+
+ if ($type == 'latest') {
+ $version = 'latest';
+ }
+
+ $availableVersions = $this->_getAvailableVersions($path, $version);
+ if (empty($availableVersions)) {
+ throw new Zend_Loader_Exception('No valid ZF installations discovered');
+ }
+
+ $matchedVersion = array_pop($availableVersions);
+ return $matchedVersion;
+ }
+
+ /**
+ * Retrieve the ZF version type
+ *
+ * @param string $version
+ * @return string "latest", "major", "minor", or "specific"
+ * @throws Zend_Loader_Exception if version string contains too many dots
+ */
+ protected function _getVersionType($version)
+ {
+ if (strtolower($version) == 'latest') {
+ return 'latest';
+ }
+
+ $parts = explode('.', $version);
+ $count = count($parts);
+ if (1 == $count) {
+ return 'major';
+ }
+ if (2 == $count) {
+ return 'minor';
+ }
+ if (3 < $count) {
+ throw new Zend_Loader_Exception('Invalid version string provided');
+ }
+ return 'specific';
+ }
+
+ /**
+ * Get available versions for the version type requested
+ *
+ * @param string $path
+ * @param string $version
+ * @return array
+ */
+ protected function _getAvailableVersions($path, $version)
+ {
+ if (!is_dir($path)) {
+ throw new Zend_Loader_Exception('Invalid ZF path provided');
+ }
+
+ $path = rtrim($path, '/');
+ $path = rtrim($path, '\\');
+ $versionLen = strlen($version);
+ $versions = array();
+ $dirs = glob("$path/*", GLOB_ONLYDIR);
+ foreach ((array) $dirs as $dir) {
+ $dirName = substr($dir, strlen($path) + 1);
+ if (!preg_match('/^(?:ZendFramework-)?(\d+\.\d+\.\d+((a|b|pl|pr|p|rc)\d+)?)(?:-minimal)?$/i', $dirName, $matches)) {
+ continue;
+ }
+
+ $matchedVersion = $matches[1];
+
+ if (('latest' == $version)
+ || ((strlen($matchedVersion) >= $versionLen)
+ && (0 === strpos($matchedVersion, $version)))
+ ) {
+ $versions[$matchedVersion] = $dir . '/library';
+ }
+ }
+
+ uksort($versions, 'version_compare');
+ return $versions;
+ }
+}