code: public int transfer(int state, int codePoint)
      {
          if (state < 1)
          {
              return -1;
          }
          if ((state != 1) && (isEmpty(state)))
          {
              return -1;
          }
          int[] ids = this.charMap.toIdList(codePoint);
          if (ids.length == 0)
          {
              return -1;
          }
          return transfer(state, ids);
      }
docs: 转移状态
  
  @param state
  @param codePoint
  @return