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<?php
/**
* Smarty Extension handler
*
* Load extensions dynamically
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
* Runtime extensions
* @property Smarty_Internal_Runtime_CacheModify $_cacheModify
* @property Smarty_Internal_Runtime_CacheResourceFile $_cacheResourceFile
* @property Smarty_Internal_Runtime_Capture $_capture
* @property Smarty_Internal_Runtime_CodeFrame $_codeFrame
* @property Smarty_Internal_Runtime_FilterHandler $_filterHandler
* @property Smarty_Internal_Runtime_Foreach $_foreach
* @property Smarty_Internal_Runtime_GetIncludePath $_getIncludePath
* @property Smarty_Internal_Runtime_Make_Nocache $_make_nocache
* @property Smarty_Internal_Runtime_UpdateCache $_updateCache
* @property Smarty_Internal_Runtime_UpdateScope $_updateScope
* @property Smarty_Internal_Runtime_TplFunction $_tplFunction
* @property Smarty_Internal_Runtime_WriteFile $_writeFile
*
* Method extensions
* @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
* @property mixed|\Smarty_Template_Cached configLoad
*/
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, 'Literals' => 'Literals',
);//
private $resolvedProperties = array();
/**
* Call external Method
*
* @param \Smarty_Internal_Data $data
* @param string $name external method names
* @param array $args argument array
*
* @return mixed
*/
public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
{
/* @var Smarty $data ->smarty */
$smarty = isset($data->smarty) ? $data->smarty : $data;
if (!isset($smarty->ext->$name)) {
if (preg_match('/^((set|get)|(.*?))([A-Z].*)$/', $name, $match)) {
$basename = $this->upperCase($match[ 4 ]);
if (!isset($smarty->ext->$basename) && isset($this->_property_info[ $basename ])
&& is_string($this->_property_info[ $basename ])
) {
$class = 'Smarty_Internal_Method_' . $this->_property_info[ $basename ];
if (class_exists($class)) {
$classObj = new $class();
$methodes = get_class_methods($classObj);
foreach ($methodes as $method) {
$smarty->ext->$method = $classObj;
}
}
}
if (!empty($match[ 2 ]) && !isset($smarty->ext->$name)) {
$class = 'Smarty_Internal_Method_' . $this->upperCase($name);
if (!class_exists($class)) {
$objType = $data->_objType;
$propertyType = false;
if (!isset($this->resolvedProperties[ $match[ 0 ] ][ $objType ])) {
$property = isset($this->resolvedProperties[ 'property' ][ $basename ]) ?
$this->resolvedProperties[ 'property' ][ $basename ] :
$property = $this->resolvedProperties[ 'property' ][ $basename ] = strtolower(
join(
'_',
preg_split(
'/([A-Z][^A-Z]*)/',
$basename,
-1,
PREG_SPLIT_NO_EMPTY |
PREG_SPLIT_DELIM_CAPTURE
)
)
);
if ($property !== false) {
if (property_exists($data, $property)) {
$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 1;
} elseif (property_exists($smarty, $property)) {
$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 2;
} else {
$this->resolvedProperties[ 'property' ][ $basename ] = $property = false;
}
}
} else {
$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ];
$property = $this->resolvedProperties[ 'property' ][ $basename ];
}
if ($propertyType) {
$obj = $propertyType === 1 ? $data : $smarty;
if ($match[ 2 ] === 'get') {
return $obj->$property;
} elseif ($match[ 2 ] === 'set') {
return $obj->$property = $args[ 0 ];
}
}
}
}
}
}
$callback = array($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);
}
/**
* Make first character of name parts upper case
*
* @param string $name
*
* @return string
*/
public function upperCase($name)
{
$_name = explode('_', $name);
$_name = array_map('ucfirst', $_name);
return implode('_', $_name);
}
/**
* get extension object
*
* @param string $property_name property name
*
* @return mixed|Smarty_Template_Cached
*/
public function __get($property_name)
{
// object properties of runtime template extensions will start with '_'
if ($property_name[ 0 ] === '_') {
$class = 'Smarty_Internal_Runtime' . $this->upperCase($property_name);
} else {
$class = 'Smarty_Internal_Method_' . $this->upperCase($property_name);
}
if (!class_exists($class)) {
return $this->$property_name = new Smarty_Internal_Undefined($class);
}
return $this->$property_name = new $class();
}
/**
* set extension property
*
* @param string $property_name property name
* @param mixed $value value
*
*/
public function __set($property_name, $value)
{
$this->$property_name = $value;
}
/**
* Call error handler for undefined method
*
* @param string $name unknown method-name
* @param array $args argument array
*
* @return mixed
*/
public function __call($name, $args)
{
return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), array($this));
}
}
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