1. sfI18nPhpExtractor.class.php
  2. /**
 * @package    symfony
 * @subpackage i18n
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfI18nPhpExtractor.class.php 9128 2008-05-21 00:58:19Z Carl.Vondrick $
 */
  3. class sfI18nPhpExtractor implements sfI18nExtractorInterface
  4. {
  5.   /**
  6.    * Extract i18n strings for the given content.
  7.    *
  8.    * @param  string $content The content
  9.    *
  10.    * @return array An array of i18n strings
  11.    */
  12.   public function extract($content)
  13.   {
  14.     $tokens = token_get_all($content);
  16.     $strings = array();
  17.     $i18n_function = 0;
  18.     $line = 0;
  19.     $heredoc = false;
  20.     $buffer = '';
  21.     foreach ($tokens as $token)
  22.     {
  23.       if (is_string($token))
  24.       {
  25.         switch ($token)
  26.         {
  27.           case '(':
  28.             if (1 == $i18n_function)
  29.             {
  30.               $i18n_function = 2;
  31.             }
  33.             break;
  34.           default:
  35.             $i18n_function = 0;
  36.         }
  37.       }
  38.       else
  39.       {
  40.         list($id, $text) = $token;
  42.         switch ($id)
  43.         {
  44.           case T_STRING:
  45.             if ($heredoc && 2 == $i18n_function)
  46.             {
  47.               $buffer .= $text;
  48.             }
  49.             else
  50.             {
  51.               $i18n_function = ('__' == $text || 'format_number_choice' == $text) ? 1 : 0;
  52.             }
  53.             break;
  54.           case T_WHITESPACE:
  55.             break;
  56.           case T_START_HEREDOC:
  57.             $heredoc = true;
  58.             break;
  59.           case T_END_HEREDOC:
  60.             $heredoc = false;
  61.             if ($buffer)
  62.             {
  63.               $strings[] = $buffer;
  64.             }
  65.             $i18n_function = 0;
  66.             break;
  67.           case T_CONSTANT_ENCAPSED_STRING:
  68.             if (2 == $i18n_function)
  69.             {
  70.               $delimiter = $text[0];
  71.               $strings[] = str_replace('\\'.$delimiter, $delimiter, substr($text, 1, -1));
  72.             }
  73.             $i18n_function = 0;
  74.             break;
  75.           default:
  76.             if ($heredoc && 2 == $i18n_function)
  77.             {
  78.               $buffer .= $text;
  79.             }
  80.             else
  81.             {
  82.               $i18n_function = 0;
  83.             }
  84.         }
  85.       }
  86.     }
  88.     return $strings;
  89.   }
  90. }
Debug toolbar