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smarty_internal_plugin_handler.php
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smarty_internal_plugin_handler.php
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<?php
/**
* Smarty Internal Plugin Handler
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*/
/**
* Smarty Internal Plugin Handler Class
*/
class Smarty_Internal_Plugin_Handler {
function __construct($smarty)
{
$this->smarty = $smarty;
}
/**
* Call a Smarty plugin
*
* @param string $name block function name
* @param array $args $args[0] = array of plugin attributes and $args[1] = plugin types to search for
*/
public function __call($name, $args)
{
if ($this->loadSmartyPlugin($name, $args[1])) {
// call plugin
return call_user_func_array($this->smarty->registered_plugins[$name][1], $args[0]);
} else {
// plugin not found
throw new Exception("Unable to load plugin {$name}");
}
}
public function executeModifier($name, $args, $check_array)
{
if ($this->loadSmartyPlugin($name, 'modifier')) {
// call plugin
if (!$check_array || !is_array($args[0])) {
return call_user_func_array($this->smarty->registered_plugins[$name][1], $args);
} else {
$args0 = $args[0];
foreach ($args0 as $key => $arg0) {
$args[0] = $arg0;
$result[$key] = call_user_func_array($this->smarty->registered_plugins[$name][1], $args);
}
return $result;
}
} elseif (is_callable($name)) {
if (!$check_array || !is_array($args[0])) {
return call_user_func_array($name, $args);
} else {
$args0 = $args[0];
foreach ($args0 as $key => $arg0) {
$args[0] = $arg0;
$result[$key] = call_user_func_array($name, $args);
}
return $result;
}
} else {
// plugin not found
throw new Exception("Unable to load plugin {$name}");
}
}
/**
* Lazy loads plugin files
* class name format: Smarty_PluginType_FuncName
* plugin filename format: plugintype.funcname.php
*
* @param string $name plugin name
* @param array $type array of plugin types to search for
*/
public function loadSmartyPlugin($name, $type)
{
// load plugin if missing
if (isset($this->smarty->registered_plugins[$name])) {
return true;
} else {
foreach ((array)$type as $plugin_type) {
$plugin = 'smarty_' . $plugin_type . '_' . $name;
if ($this->smarty->loadPlugin($plugin)) {
if (class_exists($plugin, false)) {
$plugin = array(new $plugin, 'execute');
}
if (is_callable($plugin)) {
$this->smarty->registered_plugins[$name] = array($plugin_type, $plugin, true);
return true;
} else {
throw new Exception("Plugin \"{$name}\" not callable");
}
}
}
}
if (!empty($this->smarty->default_plugin_handler_func)) {
if (!is_callable($this->smarty->default_plugin_handler_func)) {
throw new Exception("Default template handler not callable");
} else {
return call_user_func_array($this->smarty->default_plugin_handler_func, array($name, $type, &$this));
}
}
return false;
}
}
?>

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