function Smarty_Compiler::_compile_smarty_ref in Quiz 6.6

Same name and namespace in other branches

1. 6.5 includes/moodle/lib/smarty/Smarty_Compiler.class.php \Smarty_Compiler::_compile_smarty_ref()

Compiles references of type $smarty.foo

Parameters

string $indexes:

Return value

string

1 call to Smarty_Compiler::_compile_smarty_ref()

Smarty_Compiler::_parse_var in includes/moodle/lib/smarty/Smarty_Compiler.class.php

parse variable expression into PHP code

File

includes/moodle/lib/smarty/Smarty_Compiler.class.php, line 1968

Class

Smarty_Compiler

Template compiling class @package Smarty

Code

function _compile_smarty_ref(&$indexes) {

  /* Extract the reference name. */
  $_ref = substr($indexes[0], 1);
  foreach ($indexes as $_index_no => $_index) {
    if ($_index[0] != '.' && $_index_no < 2 || !preg_match('~^(\\.|\\[|->)~', $_index)) {
      $this
        ->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
    }
  }
  switch ($_ref) {
    case 'now':
      $compiled_ref = 'time()';
      $_max_index = 1;
      break;
    case 'foreach':
      array_shift($indexes);
      $_var = $this
        ->_parse_var_props(substr($indexes[0], 1));
      $_propname = substr($indexes[1], 1);
      $_max_index = 1;
      switch ($_propname) {
        case 'index':
          array_shift($indexes);
          $compiled_ref = "(\$this->_foreach[{$_var}]['iteration']-1)";
          break;
        case 'first':
          array_shift($indexes);
          $compiled_ref = "(\$this->_foreach[{$_var}]['iteration'] <= 1)";
          break;
        case 'last':
          array_shift($indexes);
          $compiled_ref = "(\$this->_foreach[{$_var}]['iteration'] == \$this->_foreach[{$_var}]['total'])";
          break;
        case 'show':
          array_shift($indexes);
          $compiled_ref = "(\$this->_foreach[{$_var}]['total'] > 0)";
          break;
        default:
          unset($_max_index);
          $compiled_ref = "\$this->_foreach[{$_var}]";
      }
      break;
    case 'section':
      array_shift($indexes);
      $_var = $this
        ->_parse_var_props(substr($indexes[0], 1));
      $compiled_ref = "\$this->_sections[{$_var}]";
      break;
    case 'get':
      $compiled_ref = $this->request_use_auto_globals ? '$_GET' : "\$GLOBALS['HTTP_GET_VARS']";
      break;
    case 'post':
      $compiled_ref = $this->request_use_auto_globals ? '$_POST' : "\$GLOBALS['HTTP_POST_VARS']";
      break;
    case 'cookies':
      $compiled_ref = $this->request_use_auto_globals ? '$_COOKIE' : "\$GLOBALS['HTTP_COOKIE_VARS']";
      break;
    case 'env':
      $compiled_ref = $this->request_use_auto_globals ? '$_ENV' : "\$GLOBALS['HTTP_ENV_VARS']";
      break;
    case 'server':
      $compiled_ref = $this->request_use_auto_globals ? '$_SERVER' : "\$GLOBALS['HTTP_SERVER_VARS']";
      break;
    case 'session':
      $compiled_ref = $this->request_use_auto_globals ? '$_SESSION' : "\$GLOBALS['HTTP_SESSION_VARS']";
      break;

    /*
     * These cases are handled either at run-time or elsewhere in the
     * compiler.
     */
    case 'request':
      if ($this->request_use_auto_globals) {
        $compiled_ref = '$_REQUEST';
        break;
      }
      else {
        $this->_init_smarty_vars = true;
      }
      return null;
    case 'capture':
      return null;
    case 'template':
      $compiled_ref = "'{$this->_current_file}'";
      $_max_index = 1;
      break;
    case 'version':
      $compiled_ref = "'{$this->_version}'";
      $_max_index = 1;
      break;
    case 'const':
      if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) {
        $this
          ->_syntax_error("(secure mode) constants not permitted", E_USER_WARNING, __FILE__, __LINE__);
        return;
      }
      array_shift($indexes);
      if (preg_match('!^\\.\\w+$!', $indexes[0])) {
        $compiled_ref = '@' . substr($indexes[0], 1);
      }
      else {
        $_val = $this
          ->_parse_var_props(substr($indexes[0], 1));
        $compiled_ref = '@constant(' . $_val . ')';
      }
      $_max_index = 1;
      break;
    case 'config':
      $compiled_ref = "\$this->_config[0]['vars']";
      $_max_index = 3;
      break;
    case 'ldelim':
      $compiled_ref = "'{$this->left_delimiter}'";
      break;
    case 'rdelim':
      $compiled_ref = "'{$this->right_delimiter}'";
      break;
    default:
      $this
        ->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__);
      break;
  }
  if (isset($_max_index) && count($indexes) > $_max_index) {
    $this
      ->_syntax_error('$smarty' . implode('', $indexes) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
  }
  array_shift($indexes);
  return $compiled_ref;
}