Readded smarty

[gosa.git] / gosa-core / include / smarty / sysplugins / smarty_internal_filter.php

diff --git a/gosa-core/include/smarty/sysplugins/smarty_internal_filter.php b/gosa-core/include/smarty/sysplugins/smarty_internal_filter.php
new file mode 100644 (file)
index 0000000..90214ad
--- /dev/null
+++ b/gosa-core/include/smarty/sysplugins/smarty_internal_filter.php
@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * Smarty Internal Plugin Filter
+ * 
+ * External Smarty filter methods
+ * 
+ * @package Smarty
+ * @author Uwe Tews 
+ */
+
+/**
+ * Class for filter methods
+ */
+class Smarty_Internal_Filter {
+
+    function __construct($smarty)
+    {
+        $this->smarty = $smarty;
+    } 
+    /**
+     * Registers a filter function
+     * 
+     * @param string $type filter type
+     * @param callback $callback 
+     */
+       public function registerFilter($type, $callback)
+       {
+               $this->smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;
+       }
+
+    /**
+     * Unregisters a filter function
+     * 
+     * @param string $type filter type
+     * @param callback $callback 
+     */
+       public function unregisterFilter($type, $callback)
+       {
+               $name = $this->_get_filter_name($callback);
+               if(isset($this->smarty->registered_filters[$type][$name])) {
+               unset($this->smarty->registered_filters[$type][$name]);
+               }
+       }
+
+
+    /**
+     * Return internal filter name
+     * 
+     * @param callback $function_name 
+     */
+    public function _get_filter_name($function_name)
+    {
+        if (is_array($function_name)) {
+            $_class_name = (is_object($function_name[0]) ?
+                get_class($function_name[0]) : $function_name[0]);
+            return $_class_name . '_' . $function_name[1];
+        } else {
+            return $function_name;
+        } 
+    } 
+
+
+    /**
+     * load a filter of specified type and name
+     * 
+     * @param string $type filter type
+     * @param string $name filter name
+     * @return bool 
+     */
+    function loadFilter($type, $name)
+    {
+        $_plugin = "smarty_{$type}filter_{$name}";
+        $_filter_name = $_plugin;
+        if ($this->smarty->loadPlugin($_plugin)) {
+            if (class_exists($_plugin, false)) {
+                $_plugin = array($_plugin, 'execute');
+            } 
+            if (is_callable($_plugin)) {
+                return $this->smarty->registered_filters[$type][$_filter_name] = $_plugin;
+            } 
+        } 
+        throw new SmartyException("{$type}filter \"{$name}\" not callable");
+        return false;
+    } 
+
+
+}
+?>
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