class JsonTok {

  public static List<String> split(String s) {

    List<String> tok = new ArrayList<String>();

    int l = s.length();

    int i = 0;

    while (i < l) {

      int j = i;

      char c; String cc;

      // scan for whitespace

      while (j < l) {

        c = s.charAt(j);

        cc = s.substring(j, Math.min(j+2, l));

        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')

          ++j;

        else if (cc.equals("/*")) {

          do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));

          j = Math.min(j+2, l);

        } else if (cc.equals("//")) {

          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);

        } else

          break;

      }

      tok.add(s.substring(i, j));

      i = j;

      if (i >= l) break;

      c = s.charAt(i); // cc is not needed in rest of loop body

      // scan for non-whitespace (json strings and the "null" identifier. everything else automatically becomes a one character token.)

      if (c == '\'' || c == '"') {

        char opener = c;

        ++j;

        while (j < l) {

          if (s.charAt(j) == opener) {

            ++j;

            break;

          } else if (s.charAt(j) == '\\' && j+1 < l)

            j += 2;

          else

            ++j;

        }

      } else if (Character.isLetter(c))

        do ++j; while (j < l && Character.isLetter(s.charAt(j)));

      else

        ++j;

      tok.add(s.substring(i, j));

      i = j;

    }

    if ((tok.size() % 2) == 0) tok.add("");

    return tok;

  }

}