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<?php /** MicroAutoload */ |
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namespace Micro\Base; |
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/** |
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* Autoload class file. |
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* |
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* @author Oleg Lunegov <[email protected]> |
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* @link https://github.com/linpax/microphp-framework |
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* @copyright Copyright © 2013 Oleg Lunegov |
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* @license /LICENSE |
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* @package Micro |
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* @subpackage Base |
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* @version 1.0 |
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* @since 1.0 |
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*/ |
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class Autoload |
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{ |
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/** @var array $aliases Autoload aliases maps */ |
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private static $aliases = []; |
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/** |
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* Setting or installing new alias |
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* |
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* @access public |
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* |
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* @param string $alias name for new alias |
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* @param string $realPath path of alias |
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* |
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* @return void |
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* @static |
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*/ |
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public static function setAlias($alias, $realPath) |
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{ |
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self::$aliases[strtolower($alias)] = $realPath; |
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} |
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/** |
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* Loader classes |
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* |
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* @access public |
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* |
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* @param string $className search class name |
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* |
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* @return bool |
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* @static |
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*/ |
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public static function loader($className) |
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{ |
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if ($path = self::getClassPath(ltrim($className, '\\'))) { |
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/** @noinspection PhpIncludeInspection */ |
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require_once $path; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Get class path |
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* |
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* @access public |
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* |
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* @param string $className search class name |
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* @param string $extension extension of class |
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* |
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* @return string |
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* @static |
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*/ |
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public static function getClassPath($className, $extension = '.php') |
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{ |
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$prefix = $className = self::camelCaseToLowerNamespace(str_replace('_', '\\', $className)); |
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while (false !== $position = strrpos($prefix, '\\')) { |
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$prefix = substr($prefix, 0, $position); |
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$alias = self::getAlias($prefix); |
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if (!$alias) { |
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continue; |
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} |
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$path = $alias.'\\'.substr($className, mb_strlen($prefix) + 1); |
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$absolutePath = str_replace('\\', DIRECTORY_SEPARATOR, $path).$extension; |
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if (is_readable($absolutePath)) { |
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return $absolutePath; |
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} |
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} |
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return false; |
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} |
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/** |
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* Convert first symbols of namespace to lowercase |
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* |
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* @access protected |
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* |
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* @param string $path |
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* |
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* @return string |
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* @static |
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*/ |
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private static function camelCaseToLowerNamespace($path) |
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{ |
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$classNameArr = array_map(function($val) { |
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return lcfirst($val); |
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}, explode('\\', $path)); |
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$classNameArr[] = ucfirst(array_pop($classNameArr)); |
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return implode('\\', $classNameArr); |
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} |
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/** |
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* Get alias |
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* |
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* @access public |
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* @param string $alias |
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* @return string|bool |
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* @static |
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*/ |
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public static function getAlias($alias) |
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{ |
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$alias = strtolower($alias); |
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return array_key_exists($alias, self::$aliases) ? self::$aliases[$alias] : false; |
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} |
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} |
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linpax /
microphp-framework
