105 lines
3.5 KiB
PHP
105 lines
3.5 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Handler
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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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/**
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* Smarty Internal Plugin Handler Class
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*/
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class Smarty_Internal_Plugin_Handler {
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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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* Call a Smarty plugin
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*
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* @param string $name block function name
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* @param array $args $args[0] = array of plugin attributes and $args[1] = plugin types to search for
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*/
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public function __call($name, $args)
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{
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if ($this->loadSmartyPlugin($name, $args[1])) {
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// call plugin
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return call_user_func_array($this->smarty->registered_plugins[$name][1], $args[0]);
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} else {
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// plugin not found
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throw new Exception("Unable to load plugin {$name}");
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}
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}
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public function executeModifier($name, $args, $check_array)
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{
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if ($this->loadSmartyPlugin($name, 'modifier')) {
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// call plugin
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if (!$check_array || !is_array($args[0])) {
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return call_user_func_array($this->smarty->registered_plugins[$name][1], $args);
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} else {
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$args0 = $args[0];
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foreach ($args0 as $key => $arg0) {
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$args[0] = $arg0;
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$result[$key] = call_user_func_array($this->smarty->registered_plugins[$name][1], $args);
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}
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return $result;
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}
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} elseif (is_callable($name)) {
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if (!$check_array || !is_array($args[0])) {
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return call_user_func_array($name, $args);
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} else {
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$args0 = $args[0];
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foreach ($args0 as $key => $arg0) {
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$args[0] = $arg0;
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$result[$key] = call_user_func_array($name, $args);
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}
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return $result;
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}
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} else {
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// plugin not found
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throw new Exception("Unable to load plugin {$name}");
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}
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}
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/**
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* Lazy loads plugin files
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* class name format: Smarty_PluginType_FuncName
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* plugin filename format: plugintype.funcname.php
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*
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* @param string $name plugin name
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* @param array $type array of plugin types to search for
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*/
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public function loadSmartyPlugin($name, $type)
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{
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// load plugin if missing
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if (isset($this->smarty->registered_plugins[$name])) {
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return true;
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} else {
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foreach ((array)$type as $plugin_type) {
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$plugin = 'smarty_' . $plugin_type . '_' . $name;
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if ($this->smarty->loadPlugin($plugin)) {
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if (class_exists($plugin, false)) {
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$plugin = array(new $plugin, 'execute');
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}
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if (is_callable($plugin)) {
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$this->smarty->registered_plugins[$name] = array($plugin_type, $plugin, true);
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return true;
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} else {
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throw new Exception("Plugin \"{$name}\" not callable");
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}
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}
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}
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}
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if (!empty($this->smarty->default_plugin_handler_func)) {
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if (!is_callable($this->smarty->default_plugin_handler_func)) {
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throw new Exception("Default template handler not callable");
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} else {
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return call_user_func_array($this->smarty->default_plugin_handler_func, array($name, $type, &$this));
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}
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}
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return false;
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}
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}
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?>
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