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112 lines
2.8 KiB
C++
112 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
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* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
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*/
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namespace Avalanche {
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const array<1, 36, char> letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
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varying_string<30> name;
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varying_string<5> number;
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void alphanum();
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static string z;
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static byte p;
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static void replace(char what, char whatwith) {
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p = pos(what, z);
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if (p > 0) z[p] = whatwith;
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}
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void alphanum() {
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byte fv;
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z = "";
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for (fv = 1; fv <= length(name); fv ++)
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if (set::of(range('A', 'Z'), eos).has(name[fv]))
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z = z + '7' + name[fv];
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else
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z = z + upcase(name[fv]);
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replace(' ', '1');
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replace('.', '2');
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replace('-', '3');
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replace('\'', '4');
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replace('"', '5');
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replace('!', '6');
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replace(',', '9');
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replace('?', '0');
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for (fv = 1; fv <= length(number); fv ++)
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number[fv] = upcase(number[fv]);
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name = z + '8' + number;
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}
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void scramble() {
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byte fv, what;
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for (fv = 1; fv <= length(name); fv ++) {
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what = pos(name[fv], letters);
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what += 177;
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what += (fv + 1) * 3;
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name[fv] = letters[(what % 36) + 1 - 1];
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}
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}
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void checks() {
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byte fv, total;
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total = 177;
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for (fv = 1; fv <= length(name); fv ++)
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total += ord(name[fv]);
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name = string('T') + name + letters[total % 36 - 1];
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}
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void negate() {
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byte fv;
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name[1] = 'N';
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for (fv = 2; fv <= length(name); fv ++)
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name[fv] = letters[37 - pos(name[fv], letters) - 1];
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}
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int main(int argc, const char *argv[]) {
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pio_initialize(argc, argv);
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output << "Registrant's name?";
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input >> name >> NL;
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output << "And number (eg, A1)?";
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input >> number >> NL;
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alphanum();
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output << "Name = " << name << NL;
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scramble();
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output << "Scrambled = " << name << NL;
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checks();
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output << "With checks = " << name << NL;
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negate();
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output << "Or, negated, = " << name << NL;
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return EXIT_SUCCESS;
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}
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} // End of namespace Avalanche.
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