1 /* 2 * Copyright (C) 1999-2001 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 * ISO-8859-6 23 */ 24 25 static const unsigned short iso8859_6_2uni[96] = { 26 /* 0xa0 */ 27 0x00a0, 0xfffd, 0xfffd, 0xfffd, 0x00a4, 0xfffd, 0xfffd, 0xfffd, 28 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0x060c, 0x00ad, 0xfffd, 0xfffd, 29 /* 0xb0 */ 30 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 31 0xfffd, 0xfffd, 0xfffd, 0x061b, 0xfffd, 0xfffd, 0xfffd, 0x061f, 32 /* 0xc0 */ 33 0xfffd, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627, 34 0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f, 35 /* 0xd0 */ 36 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637, 37 0x0638, 0x0639, 0x063a, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 38 /* 0xe0 */ 39 0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 40 0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f, 41 /* 0xf0 */ 42 0x0650, 0x0651, 0x0652, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 43 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 0xfffd, 44 }; 45 46 static int 47 iso8859_6_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 = iso8859_6_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 iso8859_6_page00[16] = { 65 0xa0, 0x00, 0x00, 0x00, 0xa4, 0x00, 0x00, 0x00, /* 0xa0-0xa7 */ 66 0x00, 0x00, 0x00, 0x00, 0x00, 0xad, 0x00, 0x00, /* 0xa8-0xaf */ 67 }; 68 static const unsigned char iso8859_6_page06[80] = { 69 0x00, 0x00, 0x00, 0x00, 0xac, 0x00, 0x00, 0x00, /* 0x08-0x0f */ 70 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 71 0x00, 0x00, 0x00, 0xbb, 0x00, 0x00, 0x00, 0xbf, /* 0x18-0x1f */ 72 0x00, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x20-0x27 */ 73 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x28-0x2f */ 74 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0x30-0x37 */ 75 0xd8, 0xd9, 0xda, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ 76 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x40-0x47 */ 77 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x48-0x4f */ 78 0xf0, 0xf1, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ 79 }; 80 81 static int 82 iso8859_6_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 83 { 84 unsigned char c = 0; 85 if (wc < 0x00a0) { 86 *r = wc; 87 return 1; 88 } 89 else if (wc >= 0x00a0 && wc < 0x00b0) 90 c = iso8859_6_page00[wc-0x00a0]; 91 else if (wc >= 0x0608 && wc < 0x0658) 92 c = iso8859_6_page06[wc-0x0608]; 93 if (c != 0) { 94 *r = c; 95 return 1; 96 } 97 return RET_ILUNI; 98 } 99