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(* $Id: LocTextRider.Mod,v 1.3 1999/09/02 13:11:04 acken Exp $ *)
MODULE LocTextRider;
(*
LocTextRider - localized text riders.
Copyright (C) 1997 Michael Griebling
This module is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This module is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
IMPORT Conv:=ConvTypes, LocNumConv, LocNumStr, TextRider;
TYPE
Reader * = POINTER TO ReaderDesc;
ReaderDesc * = RECORD (TextRider.ReaderDesc)
END;
Writer * = POINTER TO WriterDesc;
WriterDesc * = RECORD (TextRider.WriterDesc)
END;
PROCEDURE (r: Reader) ReadMoney * (VAR money: LONGREAL);
(* Reads a localized money string into `money'. This method will
work with both local and international money strings. *)
VAR
str: ARRAY 64 OF CHAR;
cnt: INTEGER;
class: Conv.ScanClass;
state: Conv.ScanState;
BEGIN
(* get the initial state *)
r.ReadChar(str[0]); cnt:=1;
LocNumConv.ScanMoney(str[0], class, state);
(* scan for valid characters *)
WHILE ~r.Eol() & (class#Conv.invalid) & (class#Conv.terminator) DO
(* get next character & state *)
r.ReadChar(str[cnt]); INC(cnt);
state.p(str[cnt], class, state)
END;
(* convert to a number *)
str[cnt]:=0X; money:=LocNumConv.ValueMoney(str)
END ReadMoney;
PROCEDURE (r: Reader) ReadNumber * (VAR number: LONGREAL);
(* Reads a localized number string into `number'. *)
VAR
str: ARRAY 64 OF CHAR;
cnt: INTEGER;
class: Conv.ScanClass;
state: Conv.ScanState;
BEGIN
(* get the initial state *)
r.ReadChar(str[0]); cnt:=1;
LocNumConv.ScanNumber(str[0], class, state);
(* scan for valid characters *)
WHILE ~r.Eol() & (class#Conv.invalid) & (class#Conv.terminator) DO
(* get next character & state *)
r.ReadChar(str[cnt]); INC(cnt);
state.p(str[cnt], class, state)
END;
(* convert to a number *)
str[cnt]:=0X; number:=LocNumConv.ValueNumber(str)
END ReadNumber;
PROCEDURE (w: Writer) WriteMoney * (money: LONGREAL; int: BOOLEAN);
(* Writes `money' as a localized money string when int is FALSE
and as an international money string when int is TRUE. *)
VAR
str: ARRAY 64 OF CHAR;
BEGIN
LocNumStr.MoneyToStr(money, int, str); w.WriteString(str)
END WriteMoney;
PROCEDURE (w: Writer) WriteNumber * (number: LONGREAL);
(* Writes `number' as a localized number string. *)
VAR
str: ARRAY 64 OF CHAR;
BEGIN
LocNumStr.NumToStr(number, str); w.WriteString(str)
END WriteNumber;
END LocTextRider.
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