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<?php
/**
* @version $Id: PrefixedLoader.php 10831 2013-05-29 19:32:17Z btowles $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2015 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*/
class RokCommon_ClassLoader_PrefixedLoader extends RokCommon_ClassLoader_AbstractLoader
{
/**
* @var
*/
protected $classpath_key;
/**
* @param $classpath_key
*/
public function __construct($classpath_key)
{
parent::__construct();
$this->classpath_key = $classpath_key;
}
/**
* @param $path
* @param $prefix
* @param int $priority
*/
public function addPath($path, $prefix, $priority = self::DEFAULT_PATH_PRIORITY)
{
$container = RokCommon_Service::getContainer();
if (!$container->hasParameter($this->classpath_key)) {
$container->setParameter($this->classpath_key, new stdClass());
}
$container->setParameter($this->classpath_key . '.' . $prefix . '.' . $priority, array($path));
$this->clearChecked();
}
/**
* @param $name
* @param null $prefix
* @param null $interface
*
* @return mixed
* @throws RokCommon_ClassLoader_Exception
*/
public function getItem($name, $prefix = null, $interface = null)
{
$prefixes = array($prefix);
if (empty($prefix)) {
$prefixes = RokCommon_Utils_ArrayHelper::fromObject($this->container->getParameter($this->classpath_key));
}
foreach ($prefixes as $current_prefix => $paths) {
$classname = $current_prefix . ucfirst($name);
if (class_exists($classname)) {
if (!empty($interface)) {
$refclass = new ReflectionClass($classname);
if (!$refclass->implementsInterface($interface)) {
throw new RokCommon_ClassLoader_Exception('Found class for item' . $name . ' does not implement ' . $interface);
}
}
$class = new $classname();
return $class;
}
}
throw new RokCommon_ClassLoader_Exception('Unable to find class for item ' . $name);
}
/**
* Loads the given class or interface.
*
* @param string $class The name of the class
*
* @throws RokCommon_ClassLoader_Exception
* @return bool|null True, if loaded
*/
public function loadClass($class)
{
if ($this->hasBeenChecked($class)) return false;
if (!$this->container->hasParameter($this->classpath_key)) {
error_log(sprintf('Classpath parameter %s does not exist.', $this->classpath_key));
return false;
}
$classpath = RokCommon_Utils_ArrayHelper::fromObject($this->container->getParameter($this->classpath_key));
foreach ($classpath as $prefix => $priorityPaths) {
if (preg_match('/^' . $prefix . '/i', $class)) {
$striped_name = str_ireplace($prefix, '', $class);
$filename_checks = array(
$striped_name . self::FILE_EXTENSION, // oRiGiNal
strtolower($striped_name . self::FILE_EXTENSION), //original
ucfirst(strtolower($striped_name . self::FILE_EXTENSION)), //Original
strtoupper($striped_name . self::FILE_EXTENSION) // ORIGINAL
);
krsort($priorityPaths); // highest priority is loaded first
foreach ($priorityPaths as $priority => $paths) {
foreach ($paths as $path) {
foreach ($filename_checks as $filename) {
$full_file_path = $path . DIRECTORY_SEPARATOR . strtolower($filename);
if (($full_file_path = $this->fileExists($full_file_path, false)) !== false && is_readable($full_file_path)) {
require_once($full_file_path);
if (class_exists($class, false)) {
return true;
}
}
}
}
}
}
}
$this->addChecked($class);
return false;
}
/**
* @param $fileName
* @param bool $caseSensitive
*
* @return bool
*/
protected function fileExists($fileName, $caseSensitive = true)
{
if (file_exists($fileName)) {
return $fileName;
}
if ($caseSensitive) return false;
// Handle case insensitive requests
$directoryName = dirname($fileName);
$fileArray = glob($directoryName . '/*', GLOB_NOSORT);
$fileNameLowerCase = strtolower($fileName);
if ($fileArray !== false) {
foreach ($fileArray as $file) {
if (strtolower($file) == $fileNameLowerCase) {
return $file;
}
}
}
return false;
}
}
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