/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "OFString.h"
const of_char16_t of_codepage_437[128] = {
0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
};
bool
of_unicode_to_codepage_437(const of_unichar_t *input, uint8_t *output,
size_t length, bool lossy)
{
for (size_t i = 0; i < length; i++) {
of_unichar_t c = input[i];
if OF_UNLIKELY (c > 0x7F) {
if OF_UNLIKELY (c > 0xFFFF) {
if (lossy) {
output[i] = '?';
continue;
} else
return false;
}
switch ((of_char16_t)c) {
case 0xC7:
output[i] = 0x80;
break;
case 0xFC:
output[i] = 0x81;
break;
case 0xE9:
output[i] = 0x82;
break;
case 0xE2:
output[i] = 0x83;
break;
case 0xE4:
output[i] = 0x84;
break;
case 0xE0:
output[i] = 0x85;
break;
case 0xE5:
output[i] = 0x86;
break;
case 0xE7:
output[i] = 0x87;
break;
case 0xEA:
output[i] = 0x88;
break;
case 0xEB:
output[i] = 0x89;
break;
case 0xE8:
output[i] = 0x8A;
break;
case 0xEF:
output[i] = 0x8B;
break;
case 0xEE:
output[i] = 0x8C;
break;
case 0xEC:
output[i] = 0x8D;
break;
case 0xC4:
output[i] = 0x8E;
break;
case 0xC5:
output[i] = 0x8F;
break;
case 0xC9:
output[i] = 0x90;
break;
case 0xE6:
output[i] = 0x91;
break;
case 0xC6:
output[i] = 0x92;
break;
case 0xF4:
output[i] = 0x93;
break;
case 0xF6:
output[i] = 0x94;
break;
case 0xF2:
output[i] = 0x95;
break;
case 0xFB:
output[i] = 0x96;
break;
case 0xF9:
output[i] = 0x97;
break;
case 0xFF:
output[i] = 0x98;
break;
case 0xD6:
output[i] = 0x99;
break;
case 0xDC:
output[i] = 0x9A;
break;
case 0xA2:
output[i] = 0x9B;
break;
case 0xA3:
output[i] = 0x9C;
break;
case 0xA5:
output[i] = 0x9D;
break;
case 0x20A7:
output[i] = 0x9E;
break;
case 0x192:
output[i] = 0x9F;
break;
case 0xE1:
output[i] = 0xA0;
break;
case 0xED:
output[i] = 0xA1;
break;
case 0xF3:
output[i] = 0xA2;
break;
case 0xFA:
output[i] = 0xA3;
break;
case 0xF1:
output[i] = 0xA4;
break;
case 0xD1:
output[i] = 0xA5;
break;
case 0xAA:
output[i] = 0xA6;
break;
case 0xBA:
output[i] = 0xA7;
break;
case 0xBF:
output[i] = 0xA8;
break;
case 0x2310:
output[i] = 0xA9;
break;
case 0xAC:
output[i] = 0xAA;
break;
case 0xBD:
output[i] = 0xAB;
break;
case 0xBC:
output[i] = 0xAC;
break;
case 0xA1:
output[i] = 0xAD;
break;
case 0xAB:
output[i] = 0xAE;
break;
case 0xBB:
output[i] = 0xAF;
break;
case 0x2591:
output[i] = 0xB0;
break;
case 0x2592:
output[i] = 0xB1;
break;
case 0x2593:
output[i] = 0xB2;
break;
case 0x2502:
output[i] = 0xB3;
break;
case 0x2524:
output[i] = 0xB4;
break;
case 0x2561:
output[i] = 0xB5;
break;
case 0x2562:
output[i] = 0xB6;
break;
case 0x2556:
output[i] = 0xB7;
break;
case 0x2555:
output[i] = 0xB8;
break;
case 0x2563:
output[i] = 0xB9;
break;
case 0x2551:
output[i] = 0xBA;
break;
case 0x2557:
output[i] = 0xBB;
break;
case 0x255D:
output[i] = 0xBC;
break;
case 0x255C:
output[i] = 0xBD;
break;
case 0x255B:
output[i] = 0xBE;
break;
case 0x2510:
output[i] = 0xBF;
break;
case 0x2514:
output[i] = 0xC0;
break;
case 0x2534:
output[i] = 0xC1;
break;
case 0x252C:
output[i] = 0xC2;
break;
case 0x251C:
output[i] = 0xC3;
break;
case 0x2500:
output[i] = 0xC4;
break;
case 0x253C:
output[i] = 0xC5;
break;
case 0x255E:
output[i] = 0xC6;
break;
case 0x255F:
output[i] = 0xC7;
break;
case 0x255A:
output[i] = 0xC8;
break;
case 0x2554:
output[i] = 0xC9;
break;
case 0x2569:
output[i] = 0xCA;
break;
case 0x2566:
output[i] = 0xCB;
break;
case 0x2560:
output[i] = 0xCC;
break;
case 0x2550:
output[i] = 0xCD;
break;
case 0x256C:
output[i] = 0xCE;
break;
case 0x2567:
output[i] = 0xCF;
break;
case 0x2568:
output[i] = 0xD0;
break;
case 0x2564:
output[i] = 0xD1;
break;
case 0x2565:
output[i] = 0xD2;
break;
case 0x2559:
output[i] = 0xD3;
break;
case 0x2558:
output[i] = 0xD4;
break;
case 0x2552:
output[i] = 0xD5;
break;
case 0x2553:
output[i] = 0xD6;
break;
case 0x256B:
output[i] = 0xD7;
break;
case 0x256A:
output[i] = 0xD8;
break;
case 0x2518:
output[i] = 0xD9;
break;
case 0x250C:
output[i] = 0xDA;
break;
case 0x2588:
output[i] = 0xDB;
break;
case 0x2584:
output[i] = 0xDC;
break;
case 0x258C:
output[i] = 0xDD;
break;
case 0x2590:
output[i] = 0xDE;
break;
case 0x2580:
output[i] = 0xDF;
break;
case 0x3B1:
output[i] = 0xE0;
break;
case 0xDF:
output[i] = 0xE1;
break;
case 0x393:
output[i] = 0xE2;
break;
case 0x3C0:
output[i] = 0xE3;
break;
case 0x3A3:
output[i] = 0xE4;
break;
case 0x3C3:
output[i] = 0xE5;
break;
case 0xB5:
output[i] = 0xE6;
break;
case 0x3C4:
output[i] = 0xE7;
break;
case 0x3A6:
output[i] = 0xE8;
break;
case 0x398:
output[i] = 0xE9;
break;
case 0x3A9:
output[i] = 0xEA;
break;
case 0x3B4:
output[i] = 0xEB;
break;
case 0x221E:
output[i] = 0xEC;
break;
case 0x3C6:
output[i] = 0xED;
break;
case 0x3B5:
output[i] = 0xEE;
break;
case 0x2229:
output[i] = 0xEF;
break;
case 0x2261:
output[i] = 0xF0;
break;
case 0xB1:
output[i] = 0xF1;
break;
case 0x2265:
output[i] = 0xF2;
break;
case 0x2264:
output[i] = 0xF3;
break;
case 0x2320:
output[i] = 0xF4;
break;
case 0x2321:
output[i] = 0xF5;
break;
case 0xF7:
output[i] = 0xF6;
break;
case 0x2248:
output[i] = 0xF7;
break;
case 0xB0:
output[i] = 0xF8;
break;
case 0x2219:
output[i] = 0xF9;
break;
case 0xB7:
output[i] = 0xFA;
break;
case 0x221A:
output[i] = 0xFB;
break;
case 0x207F:
output[i] = 0xFC;
break;
case 0xB2:
output[i] = 0xFD;
break;
case 0x25A0:
output[i] = 0xFE;
break;
case 0xA0:
output[i] = 0xFF;
break;
default:
if (lossy)
output[i] = '?';
else
return false;
break;
}
} else
output[i] = (uint8_t)c;
}
return true;
}