gbgggamegeniecode.cc

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00001 /*
00002  * Game Genie Encoder/Decoder
00003  * Copyright (C) 2004-2006,2008 emuWorks
00004  * http://games.technoplaza.net/
00005  *
00006  * This file is part of Game Genie Encoder/Decoder.
00007  *
00008  * Game Genie Encoder/Decoder is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU General Public License as published by
00010  * the Free Software Foundation; either version 2 of the License, or
00011  * (at your option) any later version.
00012  *
00013  * Game Genie Encoder/Decoder is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU General Public License
00019  * along with Game Genie Encoder/Decoder; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00021  */
00022  
00023 // $Id: gbgggamegeniecode.cc,v 1.8 2008/12/18 03:23:30 jdratlif Exp $
00024 
00025 #include "model/gbgggamegeniecode.hh"
00026 
00027 using namespace ggencoder;
00028 
00029 const char GBGGGameGenieCode::ALPHABET[] = {
00030     '0', '1', '2', '3', '4', '5', '6', '7',
00031     '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
00032 };
00033 
00034 GBGGGameGenieCode GBGGGameGenieCode::create(const QString &code)
00035     throw(InvalidGameGenieCodeException) {
00036     if (isValidCode(code)) {
00037         return GBGGGameGenieCode(code);
00038     }
00039     
00040     throw InvalidGameGenieCodeException();
00041 }
00042 
00043 const char *GBGGGameGenieCode::getAlphabet() const {
00044     return ALPHABET;
00045 }
00046 
00047 bool GBGGGameGenieCode::isValidCode(const QString &code) {
00048     GBGGGameGenieCode temp(code);
00049     
00050     const char *alphabet = temp.getAlphabet();
00051     int count = temp.getAlphabetCount();
00052     
00053     QString upper = code.toUpper();
00054     int length = upper.length();
00055     
00056     if ((length != 7) && (length != 11)) {
00057         return false;
00058     }
00059     
00060     if (code[3] != '-') {
00061         return false;
00062     }
00063     
00064     if (length == 11) {
00065         if (code[7] != '-') {
00066             return false;
00067         }
00068     }
00069     
00070     for (int i = 0; i < length; i++) {
00071         if ((i == 3) || (i == 7)) {
00072             continue;
00073         }
00074         
00075         bool found = false;
00076         QChar ch = code[i];
00077         char letter = ch.toAscii();
00078         
00079         for (int j = 0; j < count; j++) {
00080             if (letter == alphabet[j]) {
00081                 found = true;
00082                 break;
00083             }
00084         }
00085         
00086         if (!found) {
00087             return false;
00088         }
00089     }
00090     
00091     return true;
00092 }
00093 

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