88 Zeilen
2.4 KiB
PHP
88 Zeilen
2.4 KiB
PHP
<?php
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/**
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* Smarty Method RegisterFilter
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*
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* Smarty::registerFilter() method
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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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class Smarty_Internal_Method_RegisterFilter
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{
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/**
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* Valid for Smarty and template object
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*
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* @var int
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*/
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public $objMap = 3;
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/**
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* Valid filter types
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*
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* @var array
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*/
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private $filterTypes = array('pre' => true, 'post' => true, 'output' => true, 'variable' => true);
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/**
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* Registers a filter function
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*
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* @api Smarty::registerFilter()
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*
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* @link http://www.smarty.net/docs/en/api.register.filter.tpl
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*
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* @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj
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* @param string $type filter type
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* @param callback $callback
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* @param string|null $name optional filter name
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*
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* @return \Smarty|\Smarty_Internal_Template
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* @throws \SmartyException
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*/
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public function registerFilter(Smarty_Internal_TemplateBase $obj, $type, $callback, $name = null)
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{
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$smarty = $obj->_getSmartyObj();
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$this->_checkFilterType($type);
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$name = isset($name) ? $name : $this->_getFilterName($callback);
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if (!is_callable($callback)) {
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throw new SmartyException("{$type}filter \"{$name}\" not callable");
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}
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$smarty->registered_filters[ $type ][ $name ] = $callback;
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return $obj;
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}
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/**
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* Return internal filter name
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*
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* @param callback $function_name
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*
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* @return string internal filter name
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*/
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public function _getFilterName($function_name)
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{
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if (is_array($function_name)) {
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$_class_name = (is_object($function_name[ 0 ]) ? get_class($function_name[ 0 ]) : $function_name[ 0 ]);
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return $_class_name . '_' . $function_name[ 1 ];
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} elseif (is_string($function_name)) {
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return $function_name;
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} else {
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return 'closure';
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}
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}
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/**
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* Check if filter type is valid
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*
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* @param string $type
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*
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* @throws \SmartyException
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*/
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public function _checkFilterType($type)
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{
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if (!isset($this->filterTypes[ $type ])) {
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throw new SmartyException("Illegal filter type \"{$type}\"");
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}
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}
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} |