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