100 lines
2.1 KiB
Modula-2
100 lines
2.1 KiB
Modula-2
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(*
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(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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See the copyright notice in the ACK home directory, in the file "Copyright".
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*)
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(*
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Module: Interface to termcap database
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From: Unix manual chapter 3
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Version: $Header$
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*)
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(*$R-*)
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IMPLEMENTATION MODULE Termcap;
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IMPORT XXTermcap;
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FROM SYSTEM IMPORT ADR, ADDRESS;
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FROM Unix IMPORT isatty;
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FROM Arguments IMPORT
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GetEnv;
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TYPE STR = ARRAY[1..32] OF CHAR;
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STRCAP = POINTER TO STR;
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VAR Buf, Buf1 : ARRAY [1..1024] OF CHAR;
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BufCnt : INTEGER;
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PROCEDURE Tgetent(name: ARRAY OF CHAR) : INTEGER;
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VAR i: INTEGER;
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x: STRCAP;
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BEGIN
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i := XXTermcap.tgetent(ADR(Buf), ADR(name));
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BufCnt := 1;
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IF isatty(1) THEN
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ELSE
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(* This used to be something returned by gtty(). To increase
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* portability we forget about old terminals needing delays.
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* (kjb)
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*)
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XXTermcap.ospeed := 0;
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END;
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IF i > 0 THEN
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IF Tgetstr("pc", x) THEN
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XXTermcap.PC := x^[1];
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ELSE XXTermcap.PC := 0C;
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END;
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IF Tgetstr("up", x) THEN ; END; XXTermcap.UP := x;
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IF Tgetstr("bc", x) THEN ; END; XXTermcap.BC := x;
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END;
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RETURN i;
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END Tgetent;
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PROCEDURE Tgetnum(id: ARRAY OF CHAR): INTEGER;
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BEGIN
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RETURN XXTermcap.tgetnum(ADR(id));
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END Tgetnum;
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PROCEDURE Tgetflag(id: ARRAY OF CHAR): BOOLEAN;
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BEGIN
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RETURN XXTermcap.tgetflag(ADR(id)) = 1;
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END Tgetflag;
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PROCEDURE Tgoto(cm: STRCAP; col, line: INTEGER): STRCAP;
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BEGIN
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RETURN XXTermcap.tgoto(cm, col, line);
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END Tgoto;
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PROCEDURE Tgetstr(id: ARRAY OF CHAR; VAR res: STRCAP) : BOOLEAN;
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VAR a, a2: ADDRESS;
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b: CARDINAL;
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BEGIN
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a := ADR(Buf1[BufCnt]);
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a2 := XXTermcap.tgetstr(ADR(id), ADR(a));
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res := a2;
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IF a2 = NIL THEN
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RETURN FALSE;
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END;
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b := a - a2;
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INC(BufCnt, b);
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RETURN TRUE;
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END Tgetstr;
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PROCEDURE Tputs(cp: STRCAP; affcnt: INTEGER; p: PUTPROC);
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BEGIN
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XXTermcap.tputs(cp, affcnt, XXTermcap.PUTPROC(p));
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END Tputs;
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PROCEDURE InitTermcap;
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VAR Bf: STR;
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BEGIN
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IF GetEnv("TERM", Bf) = 0 THEN
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Bf := "dumb";
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END;
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IF Tgetent(Bf) <= 0 THEN
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END;
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END InitTermcap;
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BEGIN
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InitTermcap;
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END Termcap.
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