1 /* 2 * Copyright (C) 1999-2002 Free Software Foundation, Inc. 3 * This file is part of the GNU LIBICONV Library. 4 * 5 * The GNU LIBICONV Library is free software; you can redistribute it 6 * and/or modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. 9 * 10 * The GNU LIBICONV Library is distributed in the hope that it will be 11 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with the GNU LIBICONV Library; see the file COPYING.LIB. 17 * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, 18 * Fifth Floor, Boston, MA 02110-1301, USA. 19 */ 20 21 /* 22 * ARMSCII-8 23 */ 24 25 static const unsigned short armscii_8_2uni[96] = { 26 /* 0xa0 */ 27 0x00a0, 0xfffd, 0x0587, 0x0589, 0x0029, 0x0028, 0x00bb, 0x00ab, 28 0x2014, 0x002e, 0x055d, 0x002c, 0x002d, 0x058a, 0x2026, 0x055c, 29 /* 0xb0 */ 30 0x055b, 0x055e, 0x0531, 0x0561, 0x0532, 0x0562, 0x0533, 0x0563, 31 0x0534, 0x0564, 0x0535, 0x0565, 0x0536, 0x0566, 0x0537, 0x0567, 32 /* 0xc0 */ 33 0x0538, 0x0568, 0x0539, 0x0569, 0x053a, 0x056a, 0x053b, 0x056b, 34 0x053c, 0x056c, 0x053d, 0x056d, 0x053e, 0x056e, 0x053f, 0x056f, 35 /* 0xd0 */ 36 0x0540, 0x0570, 0x0541, 0x0571, 0x0542, 0x0572, 0x0543, 0x0573, 37 0x0544, 0x0574, 0x0545, 0x0575, 0x0546, 0x0576, 0x0547, 0x0577, 38 /* 0xe0 */ 39 0x0548, 0x0578, 0x0549, 0x0579, 0x054a, 0x057a, 0x054b, 0x057b, 40 0x054c, 0x057c, 0x054d, 0x057d, 0x054e, 0x057e, 0x054f, 0x057f, 41 /* 0xf0 */ 42 0x0550, 0x0580, 0x0551, 0x0581, 0x0552, 0x0582, 0x0553, 0x0583, 43 0x0554, 0x0584, 0x0555, 0x0585, 0x0556, 0x0586, 0x055a, 0xfffd, 44 }; 45 46 static int 47 armscii_8_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) 48 { 49 unsigned char c = *s; 50 if (c < 0xa0) { 51 *pwc = (ucs4_t) c; 52 return 1; 53 } 54 else { 55 unsigned short wc = armscii_8_2uni[c-0xa0]; 56 if (wc != 0xfffd) { 57 *pwc = (ucs4_t) wc; 58 return 1; 59 } 60 } 61 return RET_ILSEQ; 62 } 63 64 static const unsigned char armscii_8_page00[8] = { 65 0xa5, 0xa4, 0x2a, 0x2b, 0xab, 0xac, 0xa9, 0x2f, /* 0x28-0x2f */ 66 }; 67 static const unsigned char armscii_8_page00_1[32] = { 68 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ 69 0x00, 0x00, 0x00, 0xa7, 0x00, 0x00, 0x00, 0x00, /* 0xa8-0xaf */ 70 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xb0-0xb7 */ 71 0x00, 0x00, 0x00, 0xa6, 0x00, 0x00, 0x00, 0x00, /* 0xb8-0xbf */ 72 }; 73 static const unsigned char armscii_8_page05[96] = { 74 0x00, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe, /* 0x30-0x37 */ 75 0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, /* 0x38-0x3f */ 76 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde, /* 0x40-0x47 */ 77 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, /* 0x48-0x4f */ 78 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0x00, /* 0x50-0x57 */ 79 0x00, 0x00, 0xfe, 0xb0, 0xaf, 0xaa, 0xb1, 0x00, /* 0x58-0x5f */ 80 0x00, 0xb3, 0xb5, 0xb7, 0xb9, 0xbb, 0xbd, 0xbf, /* 0x60-0x67 */ 81 0xc1, 0xc3, 0xc5, 0xc7, 0xc9, 0xcb, 0xcd, 0xcf, /* 0x68-0x6f */ 82 0xd1, 0xd3, 0xd5, 0xd7, 0xd9, 0xdb, 0xdd, 0xdf, /* 0x70-0x77 */ 83 0xe1, 0xe3, 0xe5, 0xe7, 0xe9, 0xeb, 0xed, 0xef, /* 0x78-0x7f */ 84 0xf1, 0xf3, 0xf5, 0xf7, 0xf9, 0xfb, 0xfd, 0xa2, /* 0x80-0x87 */ 85 0x00, 0xa3, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ 86 }; 87 static const unsigned char armscii_8_page20[24] = { 88 0x00, 0x00, 0x00, 0x00, 0xa8, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x18-0x1f */ 90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0x00, /* 0x20-0x27 */ 91 }; 92 93 static int 94 armscii_8_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 95 { 96 unsigned char c = 0; 97 if (wc < 0x0028) { 98 *r = wc; 99 return 1; 100 } 101 else if (wc >= 0x0028 && wc < 0x0030) 102 c = armscii_8_page00[wc-0x0028]; 103 else if (wc >= 0x0030 && wc < 0x00a0) 104 c = wc; 105 else if (wc >= 0x00a0 && wc < 0x00c0) 106 c = armscii_8_page00_1[wc-0x00a0]; 107 else if (wc >= 0x0530 && wc < 0x0590) 108 c = armscii_8_page05[wc-0x0530]; 109 else if (wc >= 0x2010 && wc < 0x2028) 110 c = armscii_8_page20[wc-0x2010]; 111 if (c != 0) { 112 *r = c; 113 return 1; 114 } 115 return RET_ILUNI; 116 } 117