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Diffstat (limited to 'library/Smarty/libs/Autoloader.php')
-rw-r--r-- | library/Smarty/libs/Autoloader.php | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/library/Smarty/libs/Autoloader.php b/library/Smarty/libs/Autoloader.php new file mode 100644 index 000000000..7d0c388a6 --- /dev/null +++ b/library/Smarty/libs/Autoloader.php @@ -0,0 +1,124 @@ +<?php +/** + * Smarty Autoloader + * + * @package Smarty + */ + +/** + * Smarty Autoloader + * + * @package Smarty + * @author Uwe Tews + * Usage: + * require_once '...path/Autoloader.php'; + * Smarty_Autoloader::register(); + * $smarty = new Smarty(); + * Note: This autoloader is not needed if you use Composer. + * Composer will automatically add the classes of the Smarty package to it common autoloader. + */ +class Smarty_Autoloader +{ + /** + * Filepath to Smarty root + * + * @var string + */ + public static $SMARTY_DIR = ''; + + /** + * Filepath to Smarty internal plugins + * + * @var string + */ + public static $SMARTY_SYSPLUGINS_DIR = ''; + + /** + * 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(phpversion(), '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) + { + $_class = strtolower($class); + $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php'; + if (strpos($_class, 'smarty_internal_') === 0) { + if (strpos($_class, 'smarty_internal_compile_') === 0) { + if (is_file($file)) { + require $file; + } + return; + } + @include $file; + return; + } + if (preg_match('/^(smarty_(((template_(source|config|cache|compiled|resource_base))|((cached|compiled)?resource)|(variable|security)))|(smarty(bc)?)$)/', + $_class, $match)) { + if (!empty($match[3])) { + @include $file; + return; + } elseif (!empty($match[9]) && isset(self::$rootClasses[$_class])) { + $file = self::$rootClasses[$_class]; + require $file; + return; + } + } + if (0 !== strpos($_class, 'smarty')) { + return; + } + if (is_file($file)) { + require $file; + return; + } + return; + } +} |