<?php /** * Smarty Autoloader * * @package Smarty */ /** * Smarty Autoloader * * @package Smarty * @author Uwe Tews * Usage: * require_once '...path/Autoloader.php'; * Smarty_Autoloader::register(); * or * include '...path/bootstrap.php'; * * $smarty = new Smarty(); */ class Smarty_Autoloader { /** * Filepath to Smarty root * * @var string */ public static $SMARTY_DIR = null; /** * Filepath to Smarty internal plugins * * @var string */ public static $SMARTY_SYSPLUGINS_DIR = null; /** * Array with Smarty core classes and their filename * * @var array */ public static $rootClasses = array('smarty' => 'Smarty.class.php', 'smartybc' => 'SmartyBC.class.php',); /** * Registers Smarty_Autoloader backward compatible to older installations. * * @param bool $prepend Whether to prepend the autoloader or not. */ public static function registerBC($prepend = false) { /** * register the class autoloader */ if (!defined('SMARTY_SPL_AUTOLOAD')) { define('SMARTY_SPL_AUTOLOAD', 0); } if (SMARTY_SPL_AUTOLOAD && set_include_path(get_include_path() . PATH_SEPARATOR . SMARTY_SYSPLUGINS_DIR) !== false ) { $registeredAutoLoadFunctions = spl_autoload_functions(); if (!isset($registeredAutoLoadFunctions[ 'spl_autoload' ])) { spl_autoload_register(); } } else { self::register($prepend); } } /** * Registers Smarty_Autoloader as an SPL autoloader. * * @param bool $prepend Whether to prepend the autoloader or not. */ public static function register($prepend = false) { self::$SMARTY_DIR = defined('SMARTY_DIR') ? SMARTY_DIR : dirname(__FILE__) . DIRECTORY_SEPARATOR; self::$SMARTY_SYSPLUGINS_DIR = defined('SMARTY_SYSPLUGINS_DIR') ? SMARTY_SYSPLUGINS_DIR : self::$SMARTY_DIR . 'sysplugins' . DIRECTORY_SEPARATOR; if (version_compare(PHP_VERSION, '5.3.0', '>=')) { spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend); } else { spl_autoload_register(array(__CLASS__, 'autoload')); } } /** * Handles auto loading of classes. * * @param string $class A class name. */ public static function autoload($class) { if ($class[ 0 ] !== 'S' && strpos($class, 'Smarty') !== 0) { return; } $_class = strtolower($class); if (isset(self::$rootClasses[ $_class ])) { $file = self::$SMARTY_DIR . self::$rootClasses[ $_class ]; if (is_file($file)) { include $file; } } else { $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php'; if (is_file($file)) { include $file; } } return; } }