Second pass at adding key files

site/stackreach/libs/sysplugins/smarty_internal_register.php

@@ -0,0 +1,156 @@
+<?php
+
+/**
+ * Smarty Internal Plugin Register
+ * 
+ * External Smarty methods register/unregister
+ * 
+ * @package Smarty
+ * @author Uwe Tews 
+ */
+
+/**
+ * Class for register/unregister methods
+ */
+class Smarty_Internal_Register {
+
+    function __construct($smarty)
+    {
+        $this->smarty = $smarty;
+    } 
+    /**
+     * Registers plugin to be used in templates
+     * 
+     * @param string $type plugin type
+     * @param string $tag name of template tag
+     * @param callback $callback PHP callback to register
+     * @param boolean $cacheable if true (default) this fuction is cachable
+     * @param array $cache_attr caching attributes if any
+     */
+
+	public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)
+	{
+		if (isset($this->smarty->registered_plugins[$type][$tag])) {
+        	throw new Exception("Plugin tag \"{$tag}\" already registered");
+    	} elseif (!is_callable($callback)) {
+        	throw new Exception("Plugin \"{$tag}\" not callable");
+    	} else {
+       		$this->smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);
+    	}
+	} 
+
+    /**
+     * Unregister Plugin
+     * 
+     * @param string $type of plugin
+     * @param string $tag name of plugin
+     */
+    function unregisterPlugin($type, $tag)
+    {
+        if (isset($this->smarty->registered_plugins[$type][$tag])) {
+            unset($this->smarty->registered_plugins[$type][$tag]);
+        } 
+    } 
+ 
+    /**
+     * Registers a resource to fetch a template
+     * 
+     * @param string $type name of resource type
+     * @param array $callback array of callbacks to handle resource
+     */
+ 	public function registerResource($type, $callback)
+	{
+       	$this->smarty->registered_resources[$type] = array($callback, false);
+    }
+
+    /**
+     * Unregisters a resource 
+     * 
+     * @param string $type name of resource type
+     */
+   function unregisterResource($type)
+    {
+        if (isset($this->smarty->registered_resources[$type])) {
+            unset($this->smarty->registered_resources[$type]);
+        } 
+    } 
+
+
+    /**
+     * Registers object to be used in templates
+     * 
+     * @param string $object name of template object
+     * @param object $ &$object_impl the referenced PHP object to register
+     * @param mixed $ null | array $allowed list of allowed methods (empty = all)
+     * @param boolean $smarty_args smarty argument format, else traditional
+     * @param mixed $ null | array $block_functs list of methods that are block format
+     */
+    function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
+    { 
+        // test if allowed methodes callable
+        if (!empty($allowed)) {
+            foreach ((array)$allowed as $method) {
+                if (!is_callable(array($object_impl, $method))) {
+                    throw new SmartyException("Undefined method '$method' in registered object");
+                } 
+            } 
+        } 
+        // test if block methodes callable
+        if (!empty($block_methods)) {
+            foreach ((array)$block_methods as $method) {
+                if (!is_callable(array($object_impl, $method))) {
+                    throw new SmartyException("Undefined method '$method' in registered object");
+                } 
+            } 
+        } 
+        // register the object
+        $this->smarty->registered_objects[$object_name] =
+        array($object_impl, (array)$allowed, (boolean)$smarty_args, (array)$block_methods);
+    } 
+
+    /**
+     * Registers static classes to be used in templates
+     * 
+     * @param string $class name of template class
+     * @param string $class_impl the referenced PHP class to register
+     */
+    function registerClass($class_name, $class_impl)
+    { 
+        // test if exists
+        if (!class_exists($class_impl)) {
+            throw new SmartyException("Undefined class '$class_impl' in register template class");
+        } 
+        // register the class
+        $this->smarty->registered_classes[$class_name] = $class_impl;
+    } 
+
+    /**
+     * Registers a default plugin handler
+     * 
+     * @param  $callback mixed string | array $plugin class/methode name
+     */
+    function registerDefaultPluginHandler($callback)
+    {
+        if (is_callable($callback)) {
+            $this->smarty->default_plugin_handler_func = $callback;
+        } else {
+            throw new SmartyException("Default plugin handler '$callback' not callable");
+        } 
+    } 
+
+    /**
+     * Registers a default template handler
+     * 
+     * @param  $callback mixed string | array class/method name
+     */
+    function registerDefaultTemplateHandler($callback)
+    {
+        if (is_callable($callback)) {
+            $this->smarty->default_template_handler_func = $callback;
+        } else {
+            throw new SmartyException("Default template handler '$callback' not callable");
+        } 
+    } 
+
+}
+?>