bug #385 update to smarty-3.1.28-dev (from Github)

include/smarty/libs/sysplugins/smarty_internal_method_setdebugtemplate.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * Smarty Method SetDebugTemplate
+ *
+ * Smarty::setDebugTemplate() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Method_SetDebugTemplate
+{
+    /**
+     * Valid for Smarty and template object
+     *
+     * @var int
+     */
+    public $objMap = 3;
+
+    /**
+     * set the debug template
+     *
+     * @api Smarty::setDebugTemplate()
+     *
+     * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
+     * @param  string                                                         $tpl_name
+     *
+     * @return \Smarty|\Smarty_Internal_Template
+     * @throws SmartyException if file is not readable
+     */
+    public function setDebugTemplate(Smarty_Internal_TemplateBase $obj, $tpl_name)
+    {
+        $smarty = isset($obj->smarty) ? $obj->smarty : $obj;
+        if (!is_readable($tpl_name)) {
+            throw new SmartyException("Unknown file '{$tpl_name}'");
+        }
+        $smarty->debug_tpl = $tpl_name;
+        return $obj;
+    }
+}