kolibrios/programs/develop/cedit/SRC/Args.ob07

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(*
Copyright 2022 Anton Krotov
This file is part of CEdit.
CEdit is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CEdit 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with CEdit. If not, see <http://www.gnu.org/licenses/>.
*)
MODULE Args;
IMPORT SYSTEM, KOSAPI;
VAR
argc*: INTEGER;
PROCEDURE ptr2str (ptr: INTEGER; VAR s: ARRAY OF CHAR);
VAR
i, n: INTEGER;
BEGIN
i := -1;
n := LEN(s) - 1;
REPEAT
INC(i);
SYSTEM.GET(ptr, s[i]);
INC(ptr)
UNTIL (i = n) OR (s[i] = 0X);
s[i] := 0X
END ptr2str;
PROCEDURE GetArg* (n: INTEGER; VAR s: ARRAY OF CHAR);
BEGIN
IF n = 0 THEN
ptr2str(KOSAPI.GetName(), s)
ELSIF (n = 1) & (argc = 2) THEN
ptr2str(KOSAPI.GetCommandLine(), s)
ELSE
s[0] := 0X
END
END GetArg;
PROCEDURE main;
VAR
c: CHAR;
BEGIN
SYSTEM.GET(KOSAPI.GetCommandLine(), c);
argc := ORD(c # 0X) + 1
END main;
BEGIN
main
END Args.