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Diffstat (limited to 'library/Smarty/libs/Autoloader.php')
| -rw-r--r-- | library/Smarty/libs/Autoloader.php | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/library/Smarty/libs/Autoloader.php b/library/Smarty/libs/Autoloader.php new file mode 100644 index 000000000..a24cad6f7 --- /dev/null +++ b/library/Smarty/libs/Autoloader.php @@ -0,0 +1,158 @@ +<?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 of not existing classes to avoid is_file calls for already tested classes + * + * @var array + */ + public static $unknown = array(); + /** + * Array with Smarty core classes and their filename + * + * @var array + */ + public static $rootClasses = array('Smarty' => 'Smarty.class.php', + 'SmartyBC' => 'SmartyBC.class.php', + ); + + private static $syspluginsClasses = array( + 'smarty_config_source' => true, + 'smarty_security' => true, + 'smarty_cacheresource' => true, + 'smarty_compiledresource' => true, + 'smarty_cacheresource_custom' => true, + 'smarty_cacheresource_keyvaluestore' => true, + 'smarty_resource' => true, + 'smarty_resource_custom' => true, + 'smarty_resource_uncompiled' => true, + 'smarty_resource_recompiled' => true, + 'smarty_template_source' => true, + 'smarty_template_compiled' => true, + 'smarty_template_cached' => true, + 'smarty_template_config' => true, + 'smarty_data' => true, + 'smarty_variable' => true, + 'smarty_undefined_variable' => true, + 'smartyexception' => true, + 'smartycompilerexception' => true, + 'smarty_internal_data' => true, + 'smarty_internal_template' => true, + 'smarty_internal_templatebase' => true, + 'smarty_internal_resource_file' => true, + 'smarty_internal_resource_extends' => true, + 'smarty_internal_resource_eval' => true, + 'smarty_internal_resource_string' => true, + 'smarty_internal_resource_registered' => true, + 'smarty_internal_extension_codeframe' => true, + 'smarty_internal_extension_config' => true, + 'smarty_internal_filter_handler' => true, + 'smarty_internal_function_call_handler' => true, + 'smarty_internal_cacheresource_file' => true, + 'smarty_internal_write_file' => true, + ); + + /** + * 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::$SMARTY_DIR = defined('SMARTY_DIR') ? SMARTY_DIR : dirname(__FILE__) . '/'; + self::$SMARTY_SYSPLUGINS_DIR = defined('SMARTY_SYSPLUGINS_DIR') ? SMARTY_SYSPLUGINS_DIR : self::$SMARTY_DIR . 'sysplugins/'; + if (version_compare(phpversion(), '5.3.0', '>=')) { + spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend); + } else { + spl_autoload_register(array(__CLASS__, 'autoload')); + } + } + + /** + * Handles autoloading of classes. + * + * @param string $class A class name. + */ + public static function autoload($class) + { + // Request for Smarty or already unknown class + if (isset(self::$unknown[$class])) { + return; + } + $_class = strtolower($class); + if (isset(self::$syspluginsClasses[$_class])) { + $_class = (self::$syspluginsClasses[$_class] === true) ? $_class : self::$syspluginsClasses[$_class]; + $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php'; + require_once $file; + return; + } elseif (0 !== strpos($_class, 'smarty_internal_')) { + if (isset(self::$rootClasses[$class])) { + $file = self::$SMARTY_DIR . self::$rootClasses[$class]; + require_once $file; + return; + } + self::$unknown[$class] = true; + return; + } + $file = self::$SMARTY_SYSPLUGINS_DIR . $_class . '.php'; + if (is_file($file)) { + require_once $file; + return; + } + self::$unknown[$class] = true; + return; + } +} |