<?php

/**

* Smarty Internal Plugin Compile Modifier

* 

* Compiles code for modifier execution

* 

* @package Smarty

* @subpackage Compiler

* @author Uwe Tews 

*/

/**

* Smarty Internal Plugin Compile Modifier Class

*/

class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase {

    /**

    * Compiles code for modifier execution

    * 

    * @param array $args array with attributes from parser

    * @param object $compiler compiler object

    * @return string compiled code

    */

    public function compile($args, $compiler)

    {

        $this->compiler = $compiler;

        $this->smarty = $this->compiler->smarty;

        $this->required_attributes = array('modifier', 'params'); 

        // check and get attributes

        $_attr = $this->_get_attributes($args); 

        // check for registered modifier

        if (isset($compiler->smarty->registered_plugins['modifier'][$_attr['modifier']])) {

            $function = $compiler->smarty->registered_plugins['modifier'][$_attr['modifier']][0];

            if (!is_array($function)) {

                $output = "{$function}({$_attr['params']})";

            } else if (is_object($function[0])) {

                $output = 'call_user_func_array($_smarty_tpl->smarty->registered_plugins[\'modifier\'][\'' . $_attr['modifier'] . '\'][0],array(' . $_attr['params'] . '))';

            } else {

                $output = 'call_user_func_array(array(\'' . $function[0] . '\',\'' . $function[1] . '\'),array(' . $_attr['params'] . '))';

            } 

        // check for plugin modifier

        } else if ($function = $this->compiler->getPlugin($_attr['modifier'], 'modifier')) {

            if (!is_array($function)) {

                $output = "{$function}({$_attr['params']})";

            } else {

                $output = 'call_user_func_array(array(\'' . $function[0] . '\',\'' . $function[1] . '\'),array(' . $_attr['params'] . '))';

            } 

            // check if trusted PHP function

        } else if (is_callable($_attr['modifier'])) {

            // check if modifier allowed

            if (!$this->compiler->template->security || $this->smarty->security_handler->isTrustedModifier($_attr['modifier'], $this->compiler)) {

                $output = "{$_attr['modifier']}({$_attr['params']})";

            } 

        } else {

            $this->compiler->trigger_template_error ("unknown modifier \"" . $_attr['modifier'] . "\"");

        } 

        return $output;

    } 

} 



?>