//
// Smilies code ... would this be better tagged on to the end of bbcode.php?
// Probably so and I'll move it before B2
//
function smilies_pass ($message)
{
  static $orig, $repl;
  if (!isset ($orig))
    {
      global $db, $board_config, $bbcode_tpl;
      $orig = $repl = array ();
      $sql = 'SELECT code, smile_url FROM '.SMILIES_TABLE;
      if (!$result = $db->sql_query ($sql))
   {
     message_die (GENERAL_ERROR, "Couldn't obtain smilies data", "", __LINE__, __FILE__, $sql);
   }
      $smilies = $db->sql_fetchrowset ($result);
      usort ($smilies, 'smiley_sort');
      for ($i = 0; $i < count ($smilies); $i++)
   {
     $orig[] = "/(?<=.\W|\W.|^\W)" . phpbb_preg_quote ($smilies[$i]['code'], "/") . "(?=.\W|\W.|\W$)/";
     $repl[] = '<img src="' . $board_config['smilies_path'] . '/' . $smilies[$i]['smile_url'] . '" alt="' . $smilies[$i]['smile_url'] . '" border="0" />';
   }
    }

  if (count ($orig))
    {
      $peaces = array ();
      if (isset ($bbcode_tpl))
   {
     // bbcode_tlp is present, make split pattern
     $code_start_html = preg_quote ($bbcode_tpl['code_open']);
     $code_split_pattern = "#(".$code_start_html.")#s";
     $peaces = preg_split ($code_split_pattern, $message, -1);
   }
      if (count ($peaces) <= 1)
   {
     // no code block, parse all smilies
     $message = preg_replace ($orig, $repl, ' '.$message.' ');
     $message = substr ($message, 1, -1);
   }
      else
   {
     // code block detected...
     $message = "";
     for ($i = 0; $i < count ($peaces); $i++)
       {
//         if (($i % 2 == 0))
//MGB HACK: Fix smilie parsing out [ code ] html
      if ($i == 0)
      {
        // normal text, parse for smilies
        $peaces[$i] =
          preg_replace ($orig, $repl, ' '.$peaces[$i].' ');
        $peaces[$i] = substr ($peaces[$i], 1, -1);
        $message .= $peaces[$i];
      }
         else
      {
        // code block, do not do smilie parsing for code

        // find position of code close HTML
        $pos = strpos($peaces[$i], $bbcode_tpl['code_close']);
        $len = strlen($bbcode_tpl['code_close']);

        // split this peace in code text and normal text
        $code_text = substr($peaces[$i], 0, $pos);
        $normal_text = substr($peaces[$i], $pos + $len);

        // parse normal text for smilies
        $normal_text = preg_replace($orig, $repl, ' ' . $normal_text . ' ');
        $normal_text = substr($normal_text, 1, -1);

        // put boundries, code text and normal text together and add to message
        $message .= $bbcode_tpl['code_open'] . $code_text . $bbcode_tpl['code_close'] . $normal_text;
      }
       }
   }
    }
  return $message;
}