update smarty library - seems to bring some performance improvement

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;
+    }
+}