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89 lines
2.1 KiB
PHP
89 lines
2.1 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Filter
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*
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* External Smarty filter methods
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*
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* @package Smarty
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* @author Uwe Tews
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*/
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/**
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* Class for filter methods
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*/
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class Smarty_Internal_Filter {
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function __construct($smarty)
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{
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$this->smarty = $smarty;
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}
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/**
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* Registers a filter function
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*
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* @param string $type filter type
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* @param callback $callback
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*/
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public function registerFilter($type, $callback)
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{
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$this->smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;
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}
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/**
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* Unregisters a filter function
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*
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* @param string $type filter type
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* @param callback $callback
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*/
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public function unregisterFilter($type, $callback)
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{
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$name = $this->_get_filter_name($callback);
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if(isset($this->smarty->registered_filters[$type][$name])) {
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unset($this->smarty->registered_filters[$type][$name]);
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}
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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 $function_name
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*/
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public function _get_filter_name($function_name)
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{
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if (is_array($function_name)) {
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$_class_name = (is_object($function_name[0]) ?
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get_class($function_name[0]) : $function_name[0]);
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return $_class_name . '_' . $function_name[1];
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} else {
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return $function_name;
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}
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}
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/**
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* load a filter of specified type and name
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*
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* @param string $type filter type
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* @param string $name filter name
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* @return bool
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*/
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function loadFilter($type, $name)
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{
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$_plugin = "smarty_{$type}filter_{$name}";
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$_filter_name = $_plugin;
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if ($this->smarty->loadPlugin($_plugin)) {
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if (class_exists($_plugin, false)) {
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$_plugin = array($_plugin, 'execute');
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}
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if (is_callable($_plugin)) {
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return $this->smarty->registered_filters[$type][$_filter_name] = $_plugin;
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}
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}
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throw new SmartyException("{$type}filter \"{$name}\" not callable");
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return false;
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}
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}
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?>
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