forked from KolibriOS/kolibrios
357 lines
6.7 KiB
Plaintext
357 lines
6.7 KiB
Plaintext
(*
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Copyright 2021 Anton Krotov
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This file is part of CEdit.
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CEdit is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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CEdit is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CEdit. If not, see <http://www.gnu.org/licenses/>.
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*)
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MODULE Utils;
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IMPORT SYSTEM;
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CONST
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SPACE* = 20X;
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SLASH* = "/";
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OS* = "KOS";
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PROCEDURE streq* (s1, s2: INTEGER; n: INTEGER): BOOLEAN;
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VAR
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c1, c2: WCHAR;
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BEGIN
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WHILE n > 0 DO
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SYSTEM.GET(s1, c1);
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SYSTEM.GET(s2, c2);
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INC(s1, 2);
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INC(s2, 2);
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IF c1 = c2 THEN
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DEC(n)
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ELSE
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n := 0
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END
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END
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RETURN c1 = c2
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END streq;
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PROCEDURE append* (VAR s1: ARRAY OF WCHAR; s2: ARRAY OF WCHAR);
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VAR
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n1, n2, i, j: INTEGER;
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BEGIN
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n1 := LENGTH(s1);
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n2 := LENGTH(s2);
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ASSERT(n1 + n2 < LEN(s1));
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i := 0;
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j := n1;
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WHILE i < n2 DO
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s1[j] := s2[i];
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INC(i);
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INC(j)
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END;
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s1[j] := 0X
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END append;
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PROCEDURE append8* (VAR s1: ARRAY OF CHAR; s2: ARRAY OF CHAR);
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VAR
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n1, n2, i, j: INTEGER;
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BEGIN
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n1 := LENGTH(s1);
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n2 := LENGTH(s2);
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ASSERT(n1 + n2 < LEN(s1));
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i := 0;
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j := n1;
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WHILE i < n2 DO
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s1[j] := s2[i];
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INC(i);
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INC(j)
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END;
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s1[j] := 0X
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END append8;
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PROCEDURE reverse* (VAR s: ARRAY OF WCHAR);
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VAR
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ch: WCHAR;
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i, j: INTEGER;
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BEGIN
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i := 0;
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j := LENGTH(s) - 1;
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WHILE i < j DO
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ch := s[i];
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s[i] := s[j];
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s[j] := ch;
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INC(i);
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DEC(j)
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END
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END reverse;
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PROCEDURE reverse8* (VAR s: ARRAY OF CHAR);
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VAR
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ch: CHAR;
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i, j: INTEGER;
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BEGIN
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i := 0;
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j := LENGTH(s) - 1;
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WHILE i < j DO
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ch := s[i];
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s[i] := s[j];
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s[j] := ch;
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INC(i);
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DEC(j)
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END
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END reverse8;
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PROCEDURE int2str* (val: INTEGER; VAR s: ARRAY OF WCHAR);
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VAR
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i: INTEGER;
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BEGIN
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i := 0;
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REPEAT
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s[i] := WCHR(ORD("0") + val MOD 10);
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INC(i);
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val := val DIV 10
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UNTIL val = 0;
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s[i] := 0X;
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reverse(s)
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END int2str;
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PROCEDURE isDigit* (ch: WCHAR): BOOLEAN;
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RETURN ("0" <= ch) & (ch <= "9")
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END isDigit;
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PROCEDURE isHex* (ch: WCHAR): BOOLEAN;
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RETURN ("0" <= ch) & (ch <= "9") OR ("A" <= ch) & (ch <= "F")
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END isHex;
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PROCEDURE isLetter* (ch: WCHAR): BOOLEAN;
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RETURN ("a" <= ch) & (ch <= "z") OR ("A" <= ch) & (ch <= "Z")
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END isLetter;
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PROCEDURE cap* (VAR ch: WCHAR): BOOLEAN;
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VAR
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res: BOOLEAN;
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BEGIN
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IF ("a" <= ch) & (ch <= "z") THEN
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ch := WCHR(ORD(ch) - (ORD("z") - ORD("Z")));
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res := TRUE
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ELSIF (430H <= ORD(ch)) & (ORD(ch) <= 44FH) THEN
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ch := WCHR(ORD(ch) - 20H);
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res := TRUE
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ELSIF (450H <= ORD(ch)) & (ORD(ch) <= 45FH) THEN
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ch := WCHR(ORD(ch) - 50H);
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res := TRUE
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ELSIF ch = 491X THEN
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ch := 490X;
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res := TRUE
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ELSE
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res := FALSE
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END
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RETURN res
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END cap;
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PROCEDURE cap8 (VAR ch: CHAR): BOOLEAN;
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VAR
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res: BOOLEAN;
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BEGIN
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IF ("a" <= ch) & (ch <= "z") THEN
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ch := CHR(ORD(ch) - (ORD("z") - ORD("Z")));
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res := TRUE
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ELSE
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res := FALSE
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END
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RETURN res
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END cap8;
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PROCEDURE upcase* (VAR s: ARRAY OF CHAR);
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VAR
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i: INTEGER;
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BEGIN
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i := LENGTH(s) - 1;
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WHILE i >= 0 DO
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IF cap8(s[i]) THEN
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END;
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DEC(i)
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END;
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END upcase;
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PROCEDURE upcase16* (VAR s: ARRAY OF WCHAR);
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VAR
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i: INTEGER;
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BEGIN
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i := LENGTH(s) - 1;
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WHILE i >= 0 DO
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IF cap(s[i]) THEN
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END;
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DEC(i)
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END
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END upcase16;
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PROCEDURE low* (VAR ch: WCHAR): BOOLEAN;
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VAR
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res: BOOLEAN;
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BEGIN
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IF ("A" <= ch) & (ch <= "Z") THEN
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ch := WCHR(ORD(ch) + (ORD("z") - ORD("Z")));
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res := TRUE
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ELSIF (410H <= ORD(ch)) & (ORD(ch) <= 42FH) THEN
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ch := WCHR(ORD(ch) + 20H);
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res := TRUE
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ELSIF (400H <= ORD(ch)) & (ORD(ch) <= 40FH) THEN
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ch := WCHR(ORD(ch) + 50H);
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res := TRUE
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ELSIF ch = 490X THEN
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ch := 491X;
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res := TRUE
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ELSE
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res := FALSE
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END
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RETURN res
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END low;
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PROCEDURE str2int* (s: ARRAY OF WCHAR; VAR val: INTEGER): BOOLEAN;
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VAR
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i, temp: INTEGER;
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res, neg: BOOLEAN;
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BEGIN
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temp := 0;
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res := TRUE;
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neg := FALSE;
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i := 0;
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WHILE (s[i] # 0X) & (s[i] = SPACE) DO
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INC(i)
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END;
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IF s[i] = "-" THEN
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INC(i);
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neg := TRUE
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ELSIF s[i] = "+" THEN
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INC(i)
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END;
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IF isDigit(s[i]) THEN
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REPEAT
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temp := temp * 10;
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temp := temp + (ORD(s[i]) - ORD("0"));
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INC(i)
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UNTIL ~isDigit(s[i]);
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IF neg THEN
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temp := -temp
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END;
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val := temp
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ELSE
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res := FALSE
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END
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RETURN res
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END str2int;
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PROCEDURE getFileName* (path: ARRAY OF CHAR; VAR name: ARRAY OF CHAR; ch: CHAR);
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VAR
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i, j: INTEGER;
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BEGIN
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j := 0;
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i := LENGTH(path) - 1;
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WHILE (i >= 0) & (path[i] # ch) DO
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name[j] := path[i];
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DEC(i);
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INC(j)
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END;
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name[j] := 0X;
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reverse8(name)
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END getFileName;
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PROCEDURE getPath* (fname: ARRAY OF CHAR; VAR path: ARRAY OF CHAR);
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VAR
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i, j: INTEGER;
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BEGIN
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j := 0;
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i := LENGTH(fname) - 1;
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WHILE (i >= 0) & (fname[i] # SLASH) DO
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DEC(i)
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END;
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path := fname;
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path[i] := 0X
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END getPath;
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PROCEDURE lg10* (n: INTEGER): INTEGER;
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VAR
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res: INTEGER;
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BEGIN
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res := 0;
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WHILE n >= 10 DO
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n := n DIV 10;
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INC(res)
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END
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RETURN res
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END lg10;
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PROCEDURE sgn* (x: INTEGER): INTEGER;
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BEGIN
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IF x > 0 THEN
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x := 1
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ELSIF x < 0 THEN
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x := -1
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ELSE
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x := 0
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END
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RETURN x
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END sgn;
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PROCEDURE ptr2str* (ptr: INTEGER; VAR s: ARRAY OF CHAR);
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VAR
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i, n: INTEGER;
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BEGIN
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i := -1;
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n := LEN(s) - 1;
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REPEAT
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INC(i);
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SYSTEM.GET(ptr, s[i]);
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INC(ptr)
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UNTIL (i = n) OR (s[i] = 0X);
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s[i] := 0X
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END ptr2str;
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PROCEDURE between* (a, b, c: INTEGER): BOOLEAN;
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RETURN (a <= b) & (b <= c)
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END between;
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END Utils. |