diff -r 877f952ae2bd -r 6b6c2214f778 web/lib/Zend/Loader/StandardAutoloader.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/web/lib/Zend/Loader/StandardAutoloader.php Thu Mar 21 19:52:38 2013 +0100 @@ -0,0 +1,368 @@ +setOptions($options); + } + } + + /** + * Configure autoloader + * + * Allows specifying both "namespace" and "prefix" pairs, using the + * following structure: + * + * array( + * 'namespaces' => array( + * 'Zend' => '/path/to/Zend/library', + * 'Doctrine' => '/path/to/Doctrine/library', + * ), + * 'prefixes' => array( + * 'Phly_' => '/path/to/Phly/library', + * ), + * 'fallback_autoloader' => true, + * ) + * + * + * @param array|Traversable $options + * @return Zend_Loader_StandardAutoloader + */ + public function setOptions($options) + { + if (!is_array($options) && !($options instanceof Traversable)) { + require_once dirname(__FILE__) . '/Exception/InvalidArgumentException.php'; + throw new Zend_Loader_Exception_InvalidArgumentException('Options must be either an array or Traversable'); + } + + foreach ($options as $type => $pairs) { + switch ($type) { + case self::AUTOREGISTER_ZF: + if ($pairs) { + $this->registerPrefix('Zend', dirname(dirname(__FILE__))); + } + break; + case self::LOAD_NS: + if (is_array($pairs) || $pairs instanceof Traversable) { + $this->registerNamespaces($pairs); + } + break; + case self::LOAD_PREFIX: + if (is_array($pairs) || $pairs instanceof Traversable) { + $this->registerPrefixes($pairs); + } + break; + case self::ACT_AS_FALLBACK: + $this->setFallbackAutoloader($pairs); + break; + default: + // ignore + } + } + return $this; + } + + /** + * Set flag indicating fallback autoloader status + * + * @param bool $flag + * @return Zend_Loader_StandardAutoloader + */ + public function setFallbackAutoloader($flag) + { + $this->fallbackAutoloaderFlag = (bool) $flag; + return $this; + } + + /** + * Is this autoloader acting as a fallback autoloader? + * + * @return bool + */ + public function isFallbackAutoloader() + { + return $this->fallbackAutoloaderFlag; + } + + /** + * Register a namespace/directory pair + * + * @param string $namespace + * @param string $directory + * @return Zend_Loader_StandardAutoloader + */ + public function registerNamespace($namespace, $directory) + { + $namespace = rtrim($namespace, self::NS_SEPARATOR). self::NS_SEPARATOR; + $this->namespaces[$namespace] = $this->normalizeDirectory($directory); + return $this; + } + + /** + * Register many namespace/directory pairs at once + * + * @param array $namespaces + * @return Zend_Loader_StandardAutoloader + */ + public function registerNamespaces($namespaces) + { + if (!is_array($namespaces) && !$namespaces instanceof Traversable) { + require_once dirname(__FILE__) . '/Exception/InvalidArgumentException.php'; + throw new Zend_Loader_Exception_InvalidArgumentException('Namespace pairs must be either an array or Traversable'); + } + + foreach ($namespaces as $namespace => $directory) { + $this->registerNamespace($namespace, $directory); + } + return $this; + } + + /** + * Register a prefix/directory pair + * + * @param string $prefix + * @param string $directory + * @return Zend_Loader_StandardAutoloader + */ + public function registerPrefix($prefix, $directory) + { + $prefix = rtrim($prefix, self::PREFIX_SEPARATOR). self::PREFIX_SEPARATOR; + $this->prefixes[$prefix] = $this->normalizeDirectory($directory); + return $this; + } + + /** + * Register many namespace/directory pairs at once + * + * @param array $prefixes + * @return Zend_Loader_StandardAutoloader + */ + public function registerPrefixes($prefixes) + { + if (!is_array($prefixes) && !$prefixes instanceof Traversable) { + require_once dirname(__FILE__) . '/Exception/InvalidArgumentException.php'; + throw new Zend_Loader_Exception_InvalidArgumentException('Prefix pairs must be either an array or Traversable'); + } + + foreach ($prefixes as $prefix => $directory) { + $this->registerPrefix($prefix, $directory); + } + return $this; + } + + /** + * Defined by Autoloadable; autoload a class + * + * @param string $class + * @return false|string + */ + public function autoload($class) + { + $isFallback = $this->isFallbackAutoloader(); + if (false !== strpos($class, self::NS_SEPARATOR)) { + if ($this->loadClass($class, self::LOAD_NS)) { + return $class; + } elseif ($isFallback) { + return $this->loadClass($class, self::ACT_AS_FALLBACK); + } + return false; + } + if (false !== strpos($class, self::PREFIX_SEPARATOR)) { + if ($this->loadClass($class, self::LOAD_PREFIX)) { + return $class; + } elseif ($isFallback) { + return $this->loadClass($class, self::ACT_AS_FALLBACK); + } + return false; + } + if ($isFallback) { + return $this->loadClass($class, self::ACT_AS_FALLBACK); + } + return false; + } + + /** + * Register the autoloader with spl_autoload + * + * @return void + */ + public function register() + { + spl_autoload_register(array($this, 'autoload')); + } + + /** + * Error handler + * + * Used by {@link loadClass} during fallback autoloading in PHP versions + * prior to 5.3.0. + * + * @param mixed $errno + * @param mixed $errstr + * @return void + */ + public function handleError($errno, $errstr) + { + $this->error = true; + } + + /** + * Transform the class name to a filename + * + * @param string $class + * @param string $directory + * @return string + */ + protected function transformClassNameToFilename($class, $directory) + { + // $class may contain a namespace portion, in which case we need + // to preserve any underscores in that portion. + $matches = array(); + preg_match('/(?P.+\\\)?(?P[^\\\]+$)/', $class, $matches); + + $class = (isset($matches['class'])) ? $matches['class'] : ''; + $namespace = (isset($matches['namespace'])) ? $matches['namespace'] : ''; + + return $directory + . str_replace(self::NS_SEPARATOR, '/', $namespace) + . str_replace(self::PREFIX_SEPARATOR, '/', $class) + . '.php'; + } + + /** + * Load a class, based on its type (namespaced or prefixed) + * + * @param string $class + * @param string $type + * @return void + */ + protected function loadClass($class, $type) + { + if (!in_array($type, array(self::LOAD_NS, self::LOAD_PREFIX, self::ACT_AS_FALLBACK))) { + require_once dirname(__FILE__) . '/Exception/InvalidArgumentException.php'; + throw new Zend_Loader_Exception_InvalidArgumentException(); + } + + // Fallback autoloading + if ($type === self::ACT_AS_FALLBACK) { + // create filename + $filename = $this->transformClassNameToFilename($class, ''); + if (version_compare(PHP_VERSION, '5.3.2', '>=')) { + $resolvedName = stream_resolve_include_path($filename); + if ($resolvedName !== false) { + return include $resolvedName; + } + return false; + } + $this->error = false; + set_error_handler(array($this, 'handleError'), E_WARNING); + include $filename; + restore_error_handler(); + if ($this->error) { + return false; + } + return class_exists($class, false); + } + + // Namespace and/or prefix autoloading + foreach ($this->$type as $leader => $path) { + if (0 === strpos($class, $leader)) { + // Trim off leader (namespace or prefix) + $trimmedClass = substr($class, strlen($leader)); + + // create filename + $filename = $this->transformClassNameToFilename($trimmedClass, $path); + if (file_exists($filename)) { + return include $filename; + } + return false; + } + } + return false; + } + + /** + * Normalize the directory to include a trailing directory separator + * + * @param string $directory + * @return string + */ + protected function normalizeDirectory($directory) + { + $last = $directory[strlen($directory) - 1]; + if (in_array($last, array('/', '\\'))) { + $directory[strlen($directory) - 1] = DIRECTORY_SEPARATOR; + return $directory; + } + $directory .= DIRECTORY_SEPARATOR; + return $directory; + } + +}