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