<?php

/**

 * Smarty Internal Plugin Compile Special Smarty Variable

 * Compiles the special $smarty variables

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile special Smarty Variable Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the special $smarty variables

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     * @param         $parameter

     *

     * @return string compiled code

     */

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

        $_index = preg_split("/\]\[/", substr($parameter, 1, strlen($parameter) - 2));

        $compiled_ref = ' ';

        $variable = trim($_index[0], "'");

        if (!isset($compiler->smarty->security_policy) || $compiler->smarty->security_policy->isTrustedSpecialSmartyVar($variable, $compiler)) {

            switch ($variable) {

                case 'foreach':

                    $name = trim($_index[1], "'");

                    $foreachVar = "'__foreach_{$name}'";

                    return "(isset(\$_smarty_tpl->tpl_vars[$foreachVar]->value[{$_index[2]}]) ? \$_smarty_tpl->tpl_vars[$foreachVar]->value[{$_index[2]}] : null)";

                case 'section':

                    return "\$_smarty_tpl->getVariable('smarty')->value$parameter";

                case 'capture':

                    return "Smarty::\$_smarty_vars$parameter";

                case 'now':

                    return 'time()';

                case 'cookies':

                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {

                        $compiler->trigger_template_error("(secure mode) super globals not permitted");

                        break;

                    }

                    $compiled_ref = '$_COOKIE';

                    break;

                case 'get':

                case 'post':

                case 'env':

                case 'server':

                case 'session':

                case 'request':

                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_super_globals) {

                        $compiler->trigger_template_error("(secure mode) super globals not permitted");

                        break;

                    }

                    $compiled_ref = '$_' . strtoupper($variable);

                    break;

                case 'template':

                    return 'basename($_smarty_tpl->source->filepath)';

                case 'template_object':

                    return '$_smarty_tpl';

                case 'current_dir':

                    return 'dirname($_smarty_tpl->source->filepath)';

                case 'version':

                    $_version = Smarty::SMARTY_VERSION;

                    return "'$_version'";

                case 'const':

                    if (isset($compiler->smarty->security_policy) && !$compiler->smarty->security_policy->allow_constants) {

                        $compiler->trigger_template_error("(secure mode) constants not permitted");

                        break;

                    }

                    if (strpos($_index[1], '$') === false && strpos($_index[1], '\'') === false) {

                        return "@constant('{$_index[1]}')";

                    } else {

                        return "@constant({$_index[1]})";

                    }

                case 'config':

                    if (isset($_index[2])) {

                        return "(is_array(\$tmp = \$_smarty_tpl->getConfigVariable($_index[1])) ? \$tmp[$_index[2]] : null)";

                    } else {

                        return "\$_smarty_tpl->getConfigVariable($_index[1])";

                    }

                case 'ldelim':

                    $_ldelim = $compiler->smarty->left_delimiter;

                    return "'$_ldelim'";

                case 'rdelim':

                    $_rdelim = $compiler->smarty->right_delimiter;

                    return "'$_rdelim'";

                default:

                    $compiler->trigger_template_error('$smarty.' . trim($_index[0], "'") . ' is invalid');

                    break;

            }

            if (isset($_index[1])) {

                array_shift($_index);

                foreach ($_index as $_ind) {

                    $compiled_ref = $compiled_ref . "[$_ind]";

                }

            }

        }

        return $compiled_ref;

    }

}