IMPLEMENTATION MODULE WholeStr;
(* Delegates the numeric work to Conversions and maps its status onto
   ConvTypes' (identical literal order). *)

IMPORT ConvTypes, Conversions;
FROM ConvTypes IMPORT strAllRight, strOutOfRange, strWrongFormat,
                     strEmpty;

PROCEDURE Map (cr : Conversions.ConvResults) : ConvTypes.ConvResults;
BEGIN
  IF ORD(cr) = 0 THEN RETURN strAllRight
  ELSIF ORD(cr) = 1 THEN RETURN strOutOfRange
  ELSIF ORD(cr) = 2 THEN RETURN strWrongFormat
  ELSE RETURN strEmpty
  END
END Map;

PROCEDURE StrToInt (str : ARRAY OF CHAR; VAR int : INTEGER;
                    VAR res : ConvResults);
BEGIN
  int := 0;
  res := Map(Conversions.StrToInt(str, int))
END StrToInt;

PROCEDURE IntToStr (int : INTEGER; VAR str : ARRAY OF CHAR);
BEGIN
  Conversions.IntToStr(int, str)
END IntToStr;

PROCEDURE StrToCard (str : ARRAY OF CHAR; VAR card : CARDINAL;
                     VAR res : ConvResults);
BEGIN
  card := 0;
  res := Map(Conversions.StrToCard(str, card))
END StrToCard;

PROCEDURE CardToStr (card : CARDINAL; VAR str : ARRAY OF CHAR);
BEGIN
  Conversions.CardToStr(card, str)
END CardToStr;

END WholeStr.