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 * CP922 23 */ 24 25 static const unsigned short cp922_2uni_1[16] = { 26 /* 0xa0 */ 27 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, 28 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x203e, 29 }; 30 static const unsigned short cp922_2uni_2[16] = { 31 /* 0xd0 */ 32 0x0160, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7, 33 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x017d, 0x00df, 34 }; 35 static const unsigned short cp922_2uni_3[16] = { 36 /* 0xf0 */ 37 0x0161, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7, 38 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x017e, 0x00ff, 39 }; 40 41 static int 42 cp922_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) 43 { 44 unsigned char c = *s; 45 if (c < 0xa0) 46 *pwc = (ucs4_t) c; 47 else if (c < 0xb0) 48 *pwc = (ucs4_t) cp922_2uni_1[c-0xa0]; 49 else if (c < 0xd0) 50 *pwc = (ucs4_t) c; 51 else if (c < 0xe0) 52 *pwc = (ucs4_t) cp922_2uni_2[c-0xd0]; 53 else if (c < 0xf0) 54 *pwc = (ucs4_t) c; 55 else 56 *pwc = (ucs4_t) cp922_2uni_3[c-0xf0]; 57 return 1; 58 } 59 60 static const unsigned char cp922_page00[88] = { 61 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0x00, /* 0xa8-0xaf */ 62 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0-0xb7 */ 63 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0xb8-0xbf */ 64 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0-0xc7 */ 65 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0xc8-0xcf */ 66 0x00, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0-0xd7 */ 67 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0x00, 0xdf, /* 0xd8-0xdf */ 68 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0-0xe7 */ 69 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0xe8-0xef */ 70 0x00, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0-0xf7 */ 71 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0x00, 0xff, /* 0xf8-0xff */ 72 }; 73 static const unsigned char cp922_page01[32] = { 74 0xd0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60-0x67 */ 75 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x68-0x6f */ 76 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70-0x77 */ 77 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0xfe, 0x00, /* 0x78-0x7f */ 78 }; 79 80 static int 81 cp922_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) 82 { 83 unsigned char c = 0; 84 if (wc < 0x00a8) { 85 *r = wc; 86 return 1; 87 } 88 else if (wc >= 0x00a8 && wc < 0x0100) 89 c = cp922_page00[wc-0x00a8]; 90 else if (wc >= 0x0160 && wc < 0x0180) 91 c = cp922_page01[wc-0x0160]; 92 else if (wc == 0x203e) 93 c = 0xaf; 94 if (c != 0) { 95 *r = c; 96 return 1; 97 } 98 return RET_ILUNI; 99 } 100