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postfixadmin/lib/smarty/libs/Autoloader.php

111 lines
3.0 KiB
PHP

<?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;
}
}