Subversion Repositories Kolibri OS

(*

    Copyright 2021, 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 .

*)

MODULE Utils;

IMPORT SYSTEM;

CONST

    SPACE* = 20X;

    SLASH* = "/";

    OS* = "KOS";

PROCEDURE streq* (s1, s2: INTEGER; n: INTEGER): BOOLEAN;

VAR

    c1, c2: WCHAR;

BEGIN

    WHILE n > 0 DO

        SYSTEM.GET(s1, c1);

        SYSTEM.GET(s2, c2);

        INC(s1, 2);

        INC(s2, 2);

        IF c1 = c2 THEN

            DEC(n)

        ELSE

            n := 0

        END

    END

    RETURN c1 = c2

END streq;

PROCEDURE append* (VAR s1: ARRAY OF WCHAR; s2: ARRAY OF WCHAR);

VAR

    n1, n2, i, j: INTEGER;

BEGIN

    n1 := LENGTH(s1);

    n2 := LENGTH(s2);

    ASSERT(n1 + n2 < LEN(s1));

    i := 0;

    j := n1;

    WHILE i < n2 DO

        s1[j] := s2[i];

        INC(i);

        INC(j)

    END;

    s1[j] := 0X

END append;

PROCEDURE append8* (VAR s1: ARRAY OF CHAR; s2: ARRAY OF CHAR);

VAR

    n1, n2, i, j: INTEGER;

BEGIN

    n1 := LENGTH(s1);

    n2 := LENGTH(s2);

    ASSERT(n1 + n2 < LEN(s1));

    i := 0;

    j := n1;

    WHILE i < n2 DO

        s1[j] := s2[i];

        INC(i);

        INC(j)

    END;

    s1[j] := 0X

END append8;

PROCEDURE reverse* (VAR s: ARRAY OF WCHAR);

VAR

    ch: WCHAR;

    i, j: INTEGER;

BEGIN

    i := 0;

    j := LENGTH(s) - 1;

    WHILE i < j DO

        ch := s[i];

        s[i] := s[j];

        s[j] := ch;

        INC(i);

        DEC(j)

    END

END reverse;

PROCEDURE reverse8* (VAR s: ARRAY OF CHAR);

VAR

    ch: CHAR;

    i, j: INTEGER;

BEGIN

    i := 0;

    j := LENGTH(s) - 1;

    WHILE i < j DO

        ch := s[i];

        s[i] := s[j];

        s[j] := ch;

        INC(i);

        DEC(j)

    END

END reverse8;

PROCEDURE int2str* (val: INTEGER; VAR s: ARRAY OF WCHAR);

VAR

    i: INTEGER;

BEGIN

    i := 0;

    REPEAT

        s[i] := WCHR(ORD("0") + val MOD 10);

        INC(i);

        val := val DIV 10

    UNTIL val = 0;

    s[i] := 0X;

    reverse(s)

END int2str;

PROCEDURE isDigit* (ch: WCHAR): BOOLEAN;

    RETURN ("0" <= ch) & (ch <= "9")

END isDigit;

PROCEDURE isOct* (ch: WCHAR): BOOLEAN;

    RETURN ("0" <= ch) & (ch <= "7")

END isOct;

PROCEDURE isHex* (ch: WCHAR): BOOLEAN;

    RETURN ("0" <= ch) & (ch <= "9") OR ("A" <= ch) & (ch <= "F")

END isHex;

PROCEDURE isLetter* (ch: WCHAR): BOOLEAN;

    RETURN ("a" <= ch) & (ch <= "z") OR ("A" <= ch) & (ch <= "Z")

END isLetter;

PROCEDURE cap* (VAR ch: WCHAR): BOOLEAN;

VAR

    res: BOOLEAN;

BEGIN

    IF ("a" <= ch) & (ch <= "z") THEN

        ch := WCHR(ORD(ch) - (ORD("z") - ORD("Z")));

        res := TRUE

    ELSIF (430H <= ORD(ch)) & (ORD(ch) <= 44FH) THEN

        ch := WCHR(ORD(ch) - 20H);

        res := TRUE

    ELSIF (450H <= ORD(ch)) & (ORD(ch) <= 45FH) THEN

        ch := WCHR(ORD(ch) - 50H);

        res := TRUE

    ELSIF ch = 491X THEN

        ch := 490X;

        res := TRUE

    ELSE

        res := FALSE

    END

    RETURN res

END cap;

PROCEDURE cap8 (VAR ch: CHAR): BOOLEAN;

VAR

    res: BOOLEAN;

BEGIN

    IF ("a" <= ch) & (ch <= "z") THEN

        ch := CHR(ORD(ch) - (ORD("z") - ORD("Z")));

        res := TRUE

    ELSE

        res := FALSE

    END

    RETURN res

END cap8;

PROCEDURE upcase* (VAR s: ARRAY OF CHAR);

VAR

    i: INTEGER;

BEGIN

    i := LENGTH(s) - 1;

    WHILE i >= 0 DO

        IF cap8(s[i]) THEN

        END;

        DEC(i)

    END

END upcase;

PROCEDURE upcase16* (VAR s: ARRAY OF WCHAR);

VAR

    i: INTEGER;

BEGIN

    i := LENGTH(s) - 1;

    WHILE i >= 0 DO

        IF cap(s[i]) THEN

        END;

        DEC(i)

    END

END upcase16;

PROCEDURE low* (VAR ch: WCHAR): BOOLEAN;

VAR

    res: BOOLEAN;

BEGIN

    IF ("A" <= ch) & (ch <= "Z") THEN

        ch := WCHR(ORD(ch) + (ORD("z") - ORD("Z")));

        res := TRUE

    ELSIF (410H <= ORD(ch)) & (ORD(ch) <= 42FH) THEN

        ch := WCHR(ORD(ch) + 20H);

        res := TRUE

    ELSIF (400H <= ORD(ch)) & (ORD(ch) <= 40FH) THEN

        ch := WCHR(ORD(ch) + 50H);

        res := TRUE

    ELSIF ch = 490X THEN

        ch := 491X;

        res := TRUE

    ELSE

        res := FALSE

    END

    RETURN res

END low;

PROCEDURE lowcase* (VAR s: ARRAY OF CHAR);

VAR

    i: INTEGER;

BEGIN

    i := LENGTH(s) - 1;

    WHILE i >= 0 DO

        IF ("A" <= s[i]) & (s[i] <= "Z") THEN

        	s[i] := CHR(ORD(s[i]) + 32)

        END;

        DEC(i)

    END

END lowcase;

PROCEDURE str2int* (s: ARRAY OF WCHAR; VAR val: INTEGER): BOOLEAN;

VAR

    i, temp: INTEGER;

    res, neg: BOOLEAN;

BEGIN

    temp := 0;

    res := TRUE;

    neg := FALSE;

    i := 0;

    WHILE (s[i] # 0X) & (s[i] = SPACE) DO

        INC(i)

    END;

    IF s[i] = "-" THEN

        INC(i);

        neg := TRUE

    ELSIF s[i] = "+" THEN

        INC(i)

    END;

    IF isDigit(s[i]) THEN

        REPEAT

            temp := temp*10 + ORD(s[i]) - ORD("0");

            INC(i)

        UNTIL ~isDigit(s[i]);

        IF neg THEN

            temp := -temp

        END;

        val := temp

    ELSE

        res := FALSE

    END

    RETURN res

END str2int;

PROCEDURE getFileName* (path: ARRAY OF CHAR; VAR name: ARRAY OF CHAR; ch: CHAR);

VAR

    i, j: INTEGER;

BEGIN

    j := 0;

    i := LENGTH(path) - 1;

    WHILE (i >= 0) & (path[i] # ch) DO

        name[j] := path[i];

        DEC(i);

        INC(j)

    END;

    name[j] := 0X;

    reverse8(name)

END getFileName;

PROCEDURE getPath* (fname: ARRAY OF CHAR; VAR path: ARRAY OF CHAR);

VAR

    i, j: INTEGER;

BEGIN

    j := 0;

    i := LENGTH(fname) - 1;

    WHILE (i >= 0) & (fname[i] # SLASH) DO

        DEC(i)

    END;

    path := fname;

    path[i] := 0X

END getPath;

PROCEDURE lg10* (n: INTEGER): INTEGER;

VAR

    res: INTEGER;

BEGIN

    res := 0;

    WHILE n >= 10 DO

        n := n DIV 10;

        INC(res)

    END

    RETURN res

END lg10;

PROCEDURE sgn* (x: INTEGER): INTEGER;

BEGIN

    IF x > 0 THEN

        x := 1

    ELSIF x < 0 THEN

        x := -1

    ELSE

        x := 0

    END

    RETURN x

END sgn;

PROCEDURE between* (a, b, c: INTEGER): BOOLEAN;

	RETURN (a <= b) & (b <= c)

END between;

PROCEDURE inString* (c: WCHAR; s: ARRAY OF WCHAR): BOOLEAN;

VAR

	i, L: INTEGER;

BEGIN

	L := LENGTH(s);

	i := 0;

	WHILE (i < L) & (c # s[i]) DO

		INC(i)

	END

	RETURN i < L

END inString;

END Utils.