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 * CP1252 23 */ 24 25 static const unsigned short cp1252_2uni[32] = { 26 /* 0x80 */ 27 0x20ac, 0xfffd, 0x201a, 0x0192, 0x201e, 0x2026, 0x2020, 0x2021, 28 0x02c6, 0x2030, 0x0160, 0x2039, 0x0152, 0xfffd, 0x017d, 0xfffd, 29 /* 0x90 */ 30 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014, 31 0x02dc, 0x2122, 0x0161, 0x203a, 0x0153, 0xfffd, 0x017e, 0x0178, 32 }; 33 34 static int 35 cp1252_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) 36 { 37 unsigned char c = *s; 38 if (c < 0x80 || c >= 0xa0) { 39 *pwc = (ucs4_t) c; 40 return 1; 41 } 42 else { 43 unsigned short wc = cp1252_2uni[c-0x80]; 44 if (wc != 0xfffd) { 45 *pwc = (ucs4_t) wc; 46 return 1; 47 } 48 } 49 return RET_ILSEQ; 50 } 51 52 static const unsigned char cp1252_page01[72] = { 53 0x00, 0x00, 0x8c, 0x9c, 0x00, 0x00, 0x00, 0x00, /* 0x50-0x57 */ 54 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x58-0x5f */ 55 0x8a, 0x9a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ 56 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ 57 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ 58 0x9f, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x9e, 0x00, /* 0x78-0x7f */ 59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x80-0x87 */ 60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x88-0x8f */ 61 0x00, 0x00, 0x83, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x90-0x97 */ 62 }; 63 static const unsigned char cp1252_page02[32] = { 64 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x00, /* 0xc0-0xc7 */ 65 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc8-0xcf */ 66 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xd0-0xd7 */ 67 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, /* 0xd8-0xdf */ 68 }; 69 static const unsigned char cp1252_page20[48] = { 70 0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x10-0x17 */ 71 0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x18-0x1f */ 72 0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x20-0x27 */ 73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x28-0x2f */ 74 0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30-0x37 */ 75 0x00, 0x8b, 0x9b, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x38-0x3f */ 76 }; 77 78 static int 79 cp1252_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 80 { 81 unsigned char c = 0; 82 if (wc < 0x0080) { 83 *r = wc; 84 return 1; 85 } 86 else if (wc >= 0x00a0 && wc < 0x0100) 87 c = wc; 88 else if (wc >= 0x0150 && wc < 0x0198) 89 c = cp1252_page01[wc-0x0150]; 90 else if (wc >= 0x02c0 && wc < 0x02e0) 91 c = cp1252_page02[wc-0x02c0]; 92 else if (wc >= 0x2010 && wc < 0x2040) 93 c = cp1252_page20[wc-0x2010]; 94 else if (wc == 0x20ac) 95 c = 0x80; 96 else if (wc == 0x2122) 97 c = 0x99; 98 if (c != 0) { 99 *r = c; 100 return 1; 101 } 102 return RET_ILUNI; 103 } 104