125 lines
3.7 KiB
PHP
125 lines
3.7 KiB
PHP
<?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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* $smarty = new Smarty();
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* Note: This autoloader is not needed if you use Composer.
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* Composer will automatically add the classes of the Smarty package to it common autoloader.
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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 = '';
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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 = '';
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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(phpversion(), '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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$_class = strtolower($class);
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$file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php';
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if (strpos($_class, 'smarty_internal_') === 0) {
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if (strpos($_class, 'smarty_internal_compile_') === 0) {
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if (is_file($file)) {
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require $file;
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}
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return;
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}
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@include $file;
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return;
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}
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if (preg_match('/^(smarty_(((template_(source|config|cache|compiled|resource_base))|((cached|compiled)?resource)|(variable|security)))|(smarty(bc)?)$)/',
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$_class, $match)) {
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if (!empty($match[3])) {
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@include $file;
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return;
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} elseif (!empty($match[9]) && isset(self::$rootClasses[$_class])) {
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$file = self::$rootClasses[$_class];
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require $file;
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return;
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}
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}
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if (0 !== strpos($_class, 'smarty')) {
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return;
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}
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if (is_file($file)) {
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require $file;
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return;
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}
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return;
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}
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}
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