/vqdr/trunk

namespace VQDR.Expression {

  public abstract class ValueToken : Token {

    protected ValueToken (int position) {

      base (position);

    }

  }

  public static ValueToken? init_constant_token (long val, int position) {

    //return new ConstantValueToken (val, position);

    return null;

  }

  public static ValueToken? init_variable_token (string name, int position) {

    //return new VariableValueToken (name, position);

    return null;

  }

  public static long parse_raw_value (string str) {

    long ret_val = 0;

    int i_of_dot = str.index_of_char ('.');

    if (i_of_dot >= 0) {

      // Get the decimal value from the string, if such a thing exists.

      if ((str.length - 1 > i_of_dot)) {

        ret_val = long.parse ((str + "000").substring (i_of_dot + 1));

      }

      // Normalise the digits.

      while (ret_val > Token.VALUES_PRECISION_FACTOR) {

        ret_val = ret_val / 10;

      }

      // Add intiger value

      ret_val = ret_val + (long.parse ("0" + str.substring (0, i_of_dot)) * Token.VALUES_PRECISION_FACTOR);

    } else {

      ret_val = long.parse (str) * Token.VALUES_PRECISION_FACTOR;

    }

    return ret_val;

  }

}