84 lines
1.7 KiB
Modula-2
84 lines
1.7 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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VAR Buf, Buf1 : ARRAY [1..1024] OF CHAR;
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Initialized: BOOLEAN;
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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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BEGIN
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i := XXTermcap.tgetent(ADR(Buf), ADR(name));
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IF i > 0 THEN
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Initialized := TRUE
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END;
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BufCnt := 1;
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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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IF NOT Initialized THEN
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RETURN -1;
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END;
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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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IF NOT Initialized THEN
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RETURN FALSE;
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END;
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RETURN XXTermcap.tgetflag(ADR(id)) = 1;
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END Tgetflag;
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PROCEDURE Tgoto(cm: PTSTR; col, line: INTEGER): PTSTR;
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BEGIN
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XXTermcap.UP := UP;
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XXTermcap.BC := BC;
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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): PTSTR;
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VAR a, a2: ADDRESS;
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b: CARDINAL;
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BEGIN
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IF NOT Initialized THEN
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RETURN NIL;
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END;
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a := ADR(Buf1[BufCnt]);
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a2 := XXTermcap.tgetstr(ADR(id), ADR(a));
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IF a2 = NIL THEN
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RETURN NIL;
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END;
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b := a - a2;
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INC(BufCnt, b);
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RETURN a2;
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END Tgetstr;
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PROCEDURE Tputs(cp: PTSTR; affcnt: INTEGER; p: PUTPROC);
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BEGIN
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XXTermcap.PC := PC;
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XXTermcap.ospeed := ospeed;
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XXTermcap.tputs(cp, affcnt, XXTermcap.PUTPROC(p));
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END Tputs;
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BEGIN
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Initialized := FALSE;
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PC := 0C;
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END Termcap.
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