1 <?php

     2 /**

     3  * Smarty Internal Plugin Compile Special Smarty Variable

     4  * Compiles the special $smarty variables

     5  *

     6  * @package    Smarty

     7  * @subpackage Compiler

     8  * @author     Uwe Tews

     9  */

    10 

    11 /**

    12  * Smarty Internal Plugin Compile special Smarty Variable Class

    13  *

    14  * @package    Smarty

    15  * @subpackage Compiler

    16  */

    17 class Smarty_Internal_Compile_Private_Special_Variable extends Smarty_Internal_CompileBase {

    18     /**

    19      * Compiles code for the special $smarty variables

    20      *

    21      * @param  array $args array with attributes from parser

    22      * @param  object $compiler compiler object

    23      * @param         $parameter

    24      *

    25      * @return string compiled code

    26      */

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

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

    29         $compiled_ref = ' ';

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

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

    32             switch ($variable) {

    33                 case 'foreach':

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

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

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

    37                 case 'section':

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

    39                 case 'capture':

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

    41                 case 'now':

    42                     return 'time()';

    43                 case 'cookies':

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

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

    46                         break;

    47                     }

    48                     $compiled_ref = '$_COOKIE';

    49                     break;

    50 

    51                 case 'get':

    52                 case 'post':

    53                 case 'env':

    54                 case 'server':

    55                 case 'session':

    56                 case 'request':

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

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

    59                         break;

    60                     }

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

    62                     break;

    63 

    64                 case 'template':

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

    66 

    67                 case 'template_object':

    68                     return '$_smarty_tpl';

    69 

    70                 case 'current_dir':

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

    72 

    73                 case 'version':

    74                     $_version = Smarty::SMARTY_VERSION;

    75 

    76                     return "'$_version'";

    77 

    78                 case 'const':

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

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

    81                         break;

    82                     }

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

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

    85                     } else {

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

    87                     }

    88 

    89                 case 'config':

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

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

    92                     } else {

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

    94                     }

    95                 case 'ldelim':

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

    97 

    98                     return "'$_ldelim'";

    99 

   100                 case 'rdelim':

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

   102 

   103                     return "'$_rdelim'";

   104 

   105                 default:

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

   107                     break;

   108             }

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

   110                 array_shift($_index);

   111                 foreach ($_index as $_ind) {

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

   113                 }

   114             }

   115         }

   116         return $compiled_ref;

   117     }

   118 }