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<?php
/**
* @version $Id: MapFinder.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_MapFinder implements RokCommon_ClassLoader_IFinder
{
const MAP_FILE_DEFAULT_NAME = 'classes.map.php';
/**
* @var RokCommon_Service_Container
*/
protected $container;
/**
* @var
*/
protected $classpath_key;
protected $maps = array();
protected $checked_paths = array();
protected $last_md5 = '';
/**
* @param $classpath_key
*/
public function __construct($classpath_key)
{
$this->container = RokCommon_Service::getContainer();
$this->classpath_key = $classpath_key;
}
/**
* Finds the path to the file where the class is defined.
*
* @param string $class The name of the class
*
* @return bool|null|string The path, if found
*/
public function find($class)
{
$classpath = get_object_vars($this->container->getParameter($this->classpath_key));
krsort($classpath);
$current_md5 = md5(RokCommon_Utils_ArrayHelper::toString($classpath));
if ($this->last_md5 != $current_md5) {
$this->last_md5 = $current_md5;
$found_maps = array();
foreach ($classpath as $priority => $priority_paths) {
foreach ($priority_paths as $path) {
if (!in_array($path, $this->checked_paths)) {
$this->checked_paths[] = $path;
if (is_dir($path)) {
$path = $path . DIRECTORY_SEPARATOR . self::MAP_FILE_DEFAULT_NAME;
}
if (!in_array($path, $this->checked_paths) && is_file($path)) {
if (($path_map = @include($path)) && is_array($path_map)) {
$found_maps[] = $path_map;
} else {
if (defined('ROKCOMMON_CORE_DEBUG') && ROKCOMMON_CORE_DEBUG) {
error_log(sprintf('%s: Unable to load map file %s as a valid class map', get_class($this), $path));
}
}
}
}
}
if (isset($this->maps[$priority]) && !empty($found_maps)) {
$this->maps[$priority] = array_merge($this->maps[$priority], (array)$found_maps);
} elseif (!empty($found_maps)) {
$this->maps[$priority] = (array)$found_maps;
}
}
krsort($this->maps);
}
if ('\\' === $class[0]) {
$class = substr($class, 1);
}
foreach ($this->maps as $priority_maps) {
foreach ($priority_maps as $map) {
if (isset($map[$class])) {
return $map[$class];
}
}
}
return false;
}
}
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