<?php



/**

 * Smarty Internal Plugin Compile Modifier

 *

 * Compiles code for modifier execution

 *

 * @package Smarty

 * @subpackage Compiler

 * @author Uwe Tews

 */



/**

 * Smarty Internal Plugin Compile Modifier Class

 *

 * @package Smarty

 * @subpackage Compiler

 */

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

     * @param array  $parameter array with compilation parameter

     * @return string compiled code

     */

    public function compile($args, $compiler, $parameter)

    {

        // check and get attributes

        $_attr = $this->getAttributes($compiler, $args);

        $output = $parameter['value'];

        // loop over list of modifiers

        foreach ($parameter['modifierlist'] as $single_modifier) {

            $modifier = $single_modifier[0];

            $single_modifier[0] = $output;

            $params = implode(',', $single_modifier);

            // check for registered modifier

            if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier])) {

                $function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0];

                if (!is_array($function)) {

                    $output = "{$function}({$params})";

                } else {

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

                        $output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')';

                    } else {

                        $output = $function[0] . '::' . $function[1] . '(' . $params . ')';

                    }

                }

            } else if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0])) {

                $output = call_user_func($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIERCOMPILER][$modifier][0], $single_modifier, $compiler->smarty);

                // check for plugin modifiercompiler

            } else if ($compiler->smarty->loadPlugin('smarty_modifiercompiler_' . $modifier)) {

                // check if modifier allowed

                if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {

                    $plugin = 'smarty_modifiercompiler_' . $modifier;

                    $output = $plugin($single_modifier, $compiler);

                }

                // check for plugin modifier

            } else if ($function = $compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) {

                // check if modifier allowed

                if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedModifier($modifier, $compiler)) {

                    $output = "{$function}({$params})";

                }

                // check if trusted PHP function

            } else if (is_callable($modifier)) {

                // check if modifier allowed

                if (!is_object($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedPhpModifier($modifier, $compiler)) {

                    $output = "{$modifier}({$params})";

                }

            } else {

                $compiler->trigger_template_error("unknown modifier \"" . $modifier . "\"", $compiler->lex->taglineno);

            }

        }

        return $output;

    }



}



?>