/* * Copyright (c) 2008-2024 Jonathan Schleifer * * All rights reserved. * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3.0 only, * as published by the Free Software Foundation. * * 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 Lesser General Public License * version 3.0 for more details. * * You should have received a copy of the GNU Lesser General Public License * version 3.0 along with this program. If not, see * . */ #include "config.h" #import "OFString.h" #import "common.h" const OFChar16 OFCodepage437Table[] = { 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 }; const size_t OFCodepage437TableOffset = 256 - (sizeof(OFCodepage437Table) / sizeof(*OFCodepage437Table)); static const unsigned char page0[] = { 0xFF, 0xAD, 0x9B, 0x9C, 0x00, 0x9D, 0x00, 0x00, 0x00, 0x00, 0xA6, 0xAE, 0xAA, 0x00, 0x00, 0x00, 0xF8, 0xF1, 0xFD, 0x00, 0x00, 0xE6, 0x00, 0xFA, 0x00, 0x00, 0xA7, 0xAF, 0xAC, 0xAB, 0x00, 0xA8, 0x00, 0x00, 0x00, 0x00, 0x8E, 0x8F, 0x92, 0x80, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA5, 0x00, 0x00, 0x00, 0x00, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9A, 0x00, 0x00, 0xE1, 0x85, 0xA0, 0x83, 0x00, 0x84, 0x86, 0x91, 0x87, 0x8A, 0x82, 0x88, 0x89, 0x8D, 0xA1, 0x8C, 0x8B, 0x00, 0xA4, 0x95, 0xA2, 0x93, 0x00, 0x94, 0xF6, 0x00, 0x97, 0xA3, 0x96, 0x81, 0x00, 0x00, 0x98 }; static const uint8_t page0Start = 0xA0; static const unsigned char page1[] = { 0x9F }; static const uint8_t page1Start = 0x92; static const unsigned char page3[] = { 0xE2, 0x00, 0x00, 0x00, 0x00, 0xE9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE4, 0x00, 0x00, 0xE8, 0x00, 0x00, 0xEA, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x00, 0x00, 0xEB, 0xEE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, 0x00, 0x00, 0xE5, 0xE7, 0x00, 0xED }; static const uint8_t page3Start = 0x93; static const unsigned char page20[] = { 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9E }; static const uint8_t page20Start = 0x7F; static const unsigned char page22[] = { 0xF9, 0xFB, 0x00, 0x00, 0x00, 0xEC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xEF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0xF3, 0xF2 }; static const uint8_t page22Start = 0x19; static const unsigned char page23[] = { 0xA9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF4, 0xF5 }; static const uint8_t page23Start = 0x10; static const unsigned char page25[] = { 0xC4, 0x00, 0xB3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDA, 0x00, 0x00, 0x00, 0xBF, 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0xD9, 0x00, 0x00, 0x00, 0xC3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xB4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xCD, 0xBA, 0xD5, 0xD6, 0xC9, 0xB8, 0xB7, 0xBB, 0xD4, 0xD3, 0xC8, 0xBE, 0xBD, 0xBC, 0xC6, 0xC7, 0xCC, 0xB5, 0xB6, 0xB9, 0xD1, 0xD2, 0xCB, 0xCF, 0xD0, 0xCA, 0xD8, 0xD7, 0xCE, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDF, 0x00, 0x00, 0x00, 0xDC, 0x00, 0x00, 0x00, 0xDB, 0x00, 0x00, 0x00, 0xDD, 0x00, 0x00, 0x00, 0xDE, 0xB0, 0xB1, 0xB2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE }; static const uint8_t page25Start = 0x00; bool OFUnicodeToCodepage437(const OFUnichar *input, unsigned char *output, size_t length, bool lossy) { for (size_t i = 0; i < length; i++) { OFUnichar c = input[i]; if OF_UNLIKELY (c > 0x7F) { uint8_t idx; if OF_UNLIKELY (c > 0xFFFF) { if (lossy) { output[i] = '?'; continue; } else return false; } switch (c >> 8) { CASE_MISSING_IS_ERROR(0) CASE_MISSING_IS_ERROR(1) CASE_MISSING_IS_ERROR(3) CASE_MISSING_IS_ERROR(20) CASE_MISSING_IS_ERROR(22) CASE_MISSING_IS_ERROR(23) CASE_MISSING_IS_ERROR(25) default: if (lossy) { output[i] = '?'; continue; } else return false; } } else output[i] = (unsigned char)c; } return true; }