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lib/smarty/libs/sysplugins/smarty_internal_extension_handler.php
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197
lib/smarty/libs/sysplugins/smarty_internal_extension_handler.php
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<?php
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/**
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* Smarty Extension handler
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*
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* Load extensions dynamically
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*
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* @package Smarty
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* @subpackage PluginsInternal
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* @author Uwe Tews
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*
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* Runtime extensions
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* @property Smarty_Internal_Runtime_CacheModify $_cacheModify
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* @property Smarty_Internal_Runtime_CacheResourceFile $_cacheResourceFile
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* @property Smarty_Internal_Runtime_Capture $_capture
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* @property Smarty_Internal_Runtime_CodeFrame $_codeFrame
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* @property Smarty_Internal_Runtime_FilterHandler $_filterHandler
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* @property Smarty_Internal_Runtime_Foreach $_foreach
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* @property Smarty_Internal_Runtime_GetIncludePath $_getIncludePath
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* @property Smarty_Internal_Runtime_Make_Nocache $_make_nocache
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* @property Smarty_Internal_Runtime_UpdateCache $_updateCache
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* @property Smarty_Internal_Runtime_UpdateScope $_updateScope
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* @property Smarty_Internal_Runtime_TplFunction $_tplFunction
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* @property Smarty_Internal_Runtime_WriteFile $_writeFile
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*
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* Method extensions
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* @property Smarty_Internal_Method_GetTemplateVars $getTemplateVars
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* @property Smarty_Internal_Method_Append $append
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* @property Smarty_Internal_Method_AppendByRef $appendByRef
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* @property Smarty_Internal_Method_AssignGlobal $assignGlobal
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* @property Smarty_Internal_Method_AssignByRef $assignByRef
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* @property Smarty_Internal_Method_LoadFilter $loadFilter
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* @property Smarty_Internal_Method_LoadPlugin $loadPlugin
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* @property Smarty_Internal_Method_RegisterFilter $registerFilter
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* @property Smarty_Internal_Method_RegisterObject $registerObject
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* @property Smarty_Internal_Method_RegisterPlugin $registerPlugin
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* @property mixed|\Smarty_Template_Cached configLoad
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*/
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class Smarty_Internal_Extension_Handler
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{
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public $objType = null;
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/**
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* Cache for property information from generic getter/setter
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* Preloaded with names which should not use with generic getter/setter
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*
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* @var array
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*/
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private $_property_info = array(
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'AutoloadFilters' => 0, 'DefaultModifiers' => 0, 'ConfigVars' => 0,
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'DebugTemplate' => 0, 'RegisteredObject' => 0, 'StreamVariable' => 0,
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'TemplateVars' => 0, 'Literals' => 'Literals',
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);//
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private $resolvedProperties = array();
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/**
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* Call external Method
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*
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* @param \Smarty_Internal_Data $data
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* @param string $name external method names
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* @param array $args argument array
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*
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* @return mixed
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*/
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public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
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{
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/* @var Smarty $data ->smarty */
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$smarty = isset($data->smarty) ? $data->smarty : $data;
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if (!isset($smarty->ext->$name)) {
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if (preg_match('/^((set|get)|(.*?))([A-Z].*)$/', $name, $match)) {
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$basename = $this->upperCase($match[ 4 ]);
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if (!isset($smarty->ext->$basename) && isset($this->_property_info[ $basename ])
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&& is_string($this->_property_info[ $basename ])
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) {
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$class = 'Smarty_Internal_Method_' . $this->_property_info[ $basename ];
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if (class_exists($class)) {
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$classObj = new $class();
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$methodes = get_class_methods($classObj);
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foreach ($methodes as $method) {
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$smarty->ext->$method = $classObj;
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}
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}
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}
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if (!empty($match[ 2 ]) && !isset($smarty->ext->$name)) {
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$class = 'Smarty_Internal_Method_' . $this->upperCase($name);
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if (!class_exists($class)) {
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$objType = $data->_objType;
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$propertyType = false;
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if (!isset($this->resolvedProperties[ $match[ 0 ] ][ $objType ])) {
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$property = isset($this->resolvedProperties[ 'property' ][ $basename ]) ?
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$this->resolvedProperties[ 'property' ][ $basename ] :
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$property = $this->resolvedProperties[ 'property' ][ $basename ] = strtolower(
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join(
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'_',
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preg_split(
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'/([A-Z][^A-Z]*)/',
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$basename,
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-1,
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PREG_SPLIT_NO_EMPTY |
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PREG_SPLIT_DELIM_CAPTURE
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)
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)
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);
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if ($property !== false) {
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if (property_exists($data, $property)) {
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$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 1;
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} elseif (property_exists($smarty, $property)) {
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$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ] = 2;
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} else {
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$this->resolvedProperties[ 'property' ][ $basename ] = $property = false;
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}
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}
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} else {
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$propertyType = $this->resolvedProperties[ $match[ 0 ] ][ $objType ];
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$property = $this->resolvedProperties[ 'property' ][ $basename ];
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}
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if ($propertyType) {
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$obj = $propertyType === 1 ? $data : $smarty;
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if ($match[ 2 ] === 'get') {
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return $obj->$property;
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} elseif ($match[ 2 ] === 'set') {
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return $obj->$property = $args[ 0 ];
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}
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}
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}
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}
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}
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}
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$callback = array($smarty->ext->$name, $name);
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array_unshift($args, $data);
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if (isset($callback) && $callback[ 0 ]->objMap | $data->_objType) {
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return call_user_func_array($callback, $args);
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}
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return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), $args);
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}
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/**
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* Make first character of name parts upper case
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*
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* @param string $name
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*
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* @return string
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*/
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public function upperCase($name)
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{
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$_name = explode('_', $name);
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$_name = array_map('ucfirst', $_name);
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return implode('_', $_name);
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}
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/**
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* get extension object
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*
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* @param string $property_name property name
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*
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* @return mixed|Smarty_Template_Cached
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*/
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public function __get($property_name)
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{
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// object properties of runtime template extensions will start with '_'
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if ($property_name[ 0 ] === '_') {
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$class = 'Smarty_Internal_Runtime' . $this->upperCase($property_name);
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} else {
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$class = 'Smarty_Internal_Method_' . $this->upperCase($property_name);
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}
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if (!class_exists($class)) {
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return $this->$property_name = new Smarty_Internal_Undefined($class);
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}
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return $this->$property_name = new $class();
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}
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/**
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* set extension property
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*
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* @param string $property_name property name
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* @param mixed $value value
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*
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*/
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public function __set($property_name, $value)
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{
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$this->$property_name = $value;
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}
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/**
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* Call error handler for undefined method
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*
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* @param string $name unknown method-name
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* @param array $args argument array
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*
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* @return mixed
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*/
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public function __call($name, $args)
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{
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return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), array($this));
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}
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}
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