forked from KolibriOS/kolibrios
76 lines
2.0 KiB
Plaintext
76 lines
2.0 KiB
Plaintext
(*
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Copyright 2013, 2017, 2018, 2020 Anton Krotov
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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This program 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*)
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MODULE Utils;
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IMPORT WINAPI;
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PROCEDURE PutSeed*(seed: INTEGER);
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BEGIN
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WINAPI.srand(seed)
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END PutSeed;
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PROCEDURE Rnd*(range : INTEGER): INTEGER;
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RETURN WINAPI.rand() MOD range
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END Rnd;
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PROCEDURE Utf8To16*(source: ARRAY OF CHAR; VAR dest: ARRAY OF CHAR): INTEGER;
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VAR i, j, L, u, N: INTEGER;
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BEGIN
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L := LEN(source);
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N := LEN(dest);
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N := N - N MOD 2 - 1;
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i := 0;
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j := 0;
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WHILE (i < L) & (j < N) & (source[i] # 0X) DO
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CASE source[i] OF
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|00X..7FX: u := ORD(source[i]);
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|0C1X..0DFX:
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u := LSL(ORD(source[i]) - 0C0H, 6);
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IF i + 1 < L THEN
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u := u + ROR(LSL(ORD(source[i + 1]), 26), 26);
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INC(i)
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END
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|0E1X..0EFX:
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u := LSL(ORD(source[i]) - 0E0H, 12);
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IF i + 1 < L THEN
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u := u + ROR(LSL(ORD(source[i + 1]), 26), 20);
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INC(i)
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END;
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IF i + 1 < L THEN
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u := u + ROR(LSL(ORD(source[i + 1]), 26), 26);
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INC(i)
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END
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(* |0F1X..0F7X:
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|0F9X..0FBX:
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|0FDX:*)
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ELSE
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END;
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INC(i);
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dest[j] := CHR(u MOD 256);
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INC(j);
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dest[j] := CHR(u DIV 256);
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INC(j);
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END;
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IF j < N THEN
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dest[j] := 0X;
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dest[j + 1] := 0X
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END
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RETURN j DIV 2
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END Utf8To16;
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END Utils. |