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<?php
/**
* Smarty Extension handler
*
* Load extensions dynamically
*
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
* @property Smarty_Internal_Runtime_TplFunction $_tplFunction
* @property Smarty_Internal_Runtime_Foreach $_foreach
* @property Smarty_Internal_Runtime_WriteFile $_writeFile
* @property Smarty_Internal_Runtime_CodeFrame $_codeFrame
* @property Smarty_Internal_Runtime_FilterHandler $_filterHandler
* @property Smarty_Internal_Runtime_GetIncludePath $_getIncludePath
* @property Smarty_Internal_Runtime_UpdateScope $_updateScope
* @property Smarty_Internal_Runtime_CacheModify $_cacheModify
* @property Smarty_Internal_Runtime_UpdateCache $_updateCache
* @property Smarty_Internal_Method_GetTemplateVars $getTemplateVars
* @property Smarty_Internal_Method_Append $append
* @property Smarty_Internal_Method_AppendByRef $appendByRef
* @property Smarty_Internal_Method_AssignGlobal $assignGlobal
* @property Smarty_Internal_Method_AssignByRef $assignByRef
* @property Smarty_Internal_Method_LoadFilter $loadFilter
* @property Smarty_Internal_Method_LoadPlugin $loadPlugin
* @property Smarty_Internal_Method_RegisterFilter $registerFilter
* @property Smarty_Internal_Method_RegisterObject $registerObject
* @property Smarty_Internal_Method_RegisterPlugin $registerPlugin
*/
class Smarty_Internal_Extension_Handler
{
public $objType = null;
/**
* Cache for property information from generic getter/setter
* Preloaded with names which should not use with generic getter/setter
*
* @var array
*/
private $_property_info = array('AutoloadFilters' => 0, 'DefaultModifiers' => 0, 'ConfigVars' => 0,
'DebugTemplate' => 0, 'RegisteredObject' => 0, 'StreamVariable' => 0,
'TemplateVars' => 0,);#
private $resolvedProperties = array();
/**
* Call external Method
*
* @param \Smarty_Internal_Data $data
* @param string $name external method names
* @param array $args argument array
*
* @return mixed
* @throws SmartyException
*/
public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
{
/* @var Smarty $data ->smarty */
$smarty = isset($data->smarty) ? $data->smarty : $data;
if (!isset($smarty->ext->$name)) {
$class = 'Smarty_Internal_Method_' . ucfirst($name);
if (preg_match('/^(set|get)([A-Z].*)$/', $name, $match)) {
if (!isset($this->_property_info[ $prop = $match[ 2 ] ])) {
// convert camel case to underscored name
$this->resolvedProperties[ $prop ] = $pn = strtolower(join('_',
preg_split('/([A-Z][^A-Z]*)/', $prop,
- 1, PREG_SPLIT_NO_EMPTY |
PREG_SPLIT_DELIM_CAPTURE)));
$this->_property_info[ $prop ] = property_exists($data, $pn) ? 1 :
($data->_objType == 2 && property_exists($smarty, $pn) ? 2 : 0);
}
if ($this->_property_info[ $prop ]) {
$pn = $this->resolvedProperties[ $prop ];
if ($match[ 1 ] == 'get') {
return $this->_property_info[ $prop ] == 1 ? $data->$pn : $data->smarty->$pn;
} else {
return $this->_property_info[ $prop ] == 1 ? $data->$pn = $args[ 0 ] :
$data->smarty->$pn = $args[ 0 ];
}
} elseif (!class_exists($class)) {
throw new SmartyException("property '$pn' does not exist.");
}
}
if (class_exists($class)) {
$callback = array($smarty->ext->$name = new $class(), $name);
}
} else {
$callback = array($smarty->ext->$name, $name);
}
array_unshift($args, $data);
if (isset($callback) && $callback[ 0 ]->objMap | $data->_objType) {
return call_user_func_array($callback, $args);
}
return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), $args);
}
/**
* set extension property
*
* @param string $property_name property name
* @param mixed $value value
*
* @throws SmartyException
*/
public function __set($property_name, $value)
{
$this->$property_name = $value;
}
/**
* get extension object
*
* @param string $property_name property name
*
* @return mixed|Smarty_Template_Cached
* @throws SmartyException
*/
public function __get($property_name)
{
// object properties of runtime template extensions will start with '_'
if ($property_name[ 0 ] == '_') {
$class = 'Smarty_Internal_Runtime_' . ucfirst(substr($property_name, 1));
} else {
$class = 'Smarty_Internal_Method_' . ucfirst($property_name);
}
return $this->$property_name = new $class();
}
/**
* Call error handler for undefined method
*
* @param string $name unknown method-name
* @param array $args argument array
*
* @return mixed
* @throws SmartyException
*/
public function __call($name, $args)
{
return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), array($this));
}
}