/* * Copyright (C) 1999-2001 Free Software Foundation, Inc. * This file is part of the GNU LIBICONV Library. * * The GNU LIBICONV Library is free software; you can redistribute it * and/or modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * The GNU LIBICONV Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with the GNU LIBICONV Library; see the file COPYING.LIB. * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, * Fifth Floor, Boston, MA 02110-1301, USA. */ /* * CP950 extensions */ static const unsigned short cp950ext_2uni_pagef9[157-116] = { /* 0xf9 */ 0x7881, 0x92b9, 0x88cf, 0x58bb, 0x6052, 0x7ca7, 0x5afa, 0x2554, 0x2566, 0x2557, 0x2560, 0x256c, 0x2563, 0x255a, 0x2569, 0x255d, 0x2552, 0x2564, 0x2555, 0x255e, 0x256a, 0x2561, 0x2558, 0x2567, 0x255b, 0x2553, 0x2565, 0x2556, 0x255f, 0x256b, 0x2562, 0x2559, 0x2568, 0x255c, 0x2551, 0x2550, 0x256d, 0x256e, 0x2570, 0x256f, 0x2593, }; static int cp950ext_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) { unsigned char c1 = s[0]; if ((c1 == 0xf9)) { if (n >= 2) { unsigned char c2 = s[1]; if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0xa1 && c2 < 0xff)) { unsigned int i = 157 * (c1 - 0xa1) + (c2 - (c2 >= 0xa1 ? 0x62 : 0x40)); unsigned short wc = 0xfffd; { if (i >= 13932 && i < 13973) wc = cp950ext_2uni_pagef9[i-13932]; } if (wc != 0xfffd) { *pwc = (ucs4_t) wc; return 2; } } return RET_ILSEQ; } return RET_TOOFEW(0); } return RET_ILSEQ; } static const unsigned short cp950ext_2charset[41] = { 0xf9f9, 0xf9f8, 0xf9e6, 0xf9ef, 0xf9dd, 0xf9e8, 0xf9f1, 0xf9df, 0xf9ec, 0xf9f5, 0xf9e3, 0xf9ee, 0xf9f7, 0xf9e5, 0xf9e9, 0xf9f2, 0xf9e0, 0xf9eb, 0xf9f4, 0xf9e2, 0xf9e7, 0xf9f0, 0xf9de, 0xf9ed, 0xf9f6, 0xf9e4, 0xf9ea, 0xf9f3, 0xf9e1, 0xf9fa, 0xf9fb, 0xf9fd, 0xf9fc, 0xf9fe, 0xf9d9, 0xf9dc, 0xf9da, 0xf9d6, 0xf9db, 0xf9d8, 0xf9d7, }; static const Summary16 cp950ext_uni2indx_page25[10] = { /* 0x2500 */ { 0, 0x0000 }, { 0, 0x0000 }, { 0, 0x0000 }, { 0, 0x0000 }, { 0, 0x0000 }, { 0, 0xffff }, { 16, 0xffff }, { 32, 0x0001 }, { 33, 0x0000 }, { 33, 0x0008 }, }; static const Summary16 cp950ext_uni2indx_page58[12] = { /* 0x5800 */ { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0000 }, { 34, 0x0800 }, }; static const Summary16 cp950ext_uni2indx_page5a[16] = { /* 0x5a00 */ { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0000 }, { 35, 0x0400 }, }; static const Summary16 cp950ext_uni2indx_page60[6] = { /* 0x6000 */ { 36, 0x0000 }, { 36, 0x0000 }, { 36, 0x0000 }, { 36, 0x0000 }, { 36, 0x0000 }, { 36, 0x0004 }, }; static const Summary16 cp950ext_uni2indx_page78[9] = { /* 0x7800 */ { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0000 }, { 37, 0x0002 }, }; static const Summary16 cp950ext_uni2indx_page7c[11] = { /* 0x7c00 */ { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0000 }, { 38, 0x0080 }, }; static const Summary16 cp950ext_uni2indx_page88[13] = { /* 0x8800 */ { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x0000 }, { 39, 0x8000 }, }; static const Summary16 cp950ext_uni2indx_page92[12] = { /* 0x9200 */ { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0000 }, { 40, 0x0200 }, }; static int cp950ext_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) { if (n >= 2) { const Summary16 *summary = NULL; if (wc >= 0x2500 && wc < 0x25a0) summary = &cp950ext_uni2indx_page25[(wc>>4)-0x250]; else if (wc >= 0x5800 && wc < 0x58c0) summary = &cp950ext_uni2indx_page58[(wc>>4)-0x580]; else if (wc >= 0x5a00 && wc < 0x5b00) summary = &cp950ext_uni2indx_page5a[(wc>>4)-0x5a0]; else if (wc >= 0x6000 && wc < 0x6060) summary = &cp950ext_uni2indx_page60[(wc>>4)-0x600]; else if (wc >= 0x7800 && wc < 0x7890) summary = &cp950ext_uni2indx_page78[(wc>>4)-0x780]; else if (wc >= 0x7c00 && wc < 0x7cb0) summary = &cp950ext_uni2indx_page7c[(wc>>4)-0x7c0]; else if (wc >= 0x8800 && wc < 0x88d0) summary = &cp950ext_uni2indx_page88[(wc>>4)-0x880]; else if (wc >= 0x9200 && wc < 0x92c0) summary = &cp950ext_uni2indx_page92[(wc>>4)-0x920]; if (summary) { unsigned short used = summary->used; unsigned int i = wc & 0x0f; if (used & ((unsigned short) 1 << i)) { unsigned short c; /* Keep in `used' only the bits 0..i-1. */ used &= ((unsigned short) 1 << i) - 1; /* Add `summary->indx' and the number of bits set in `used'. */ used = (used & 0x5555) + ((used & 0xaaaa) >> 1); used = (used & 0x3333) + ((used & 0xcccc) >> 2); used = (used & 0x0f0f) + ((used & 0xf0f0) >> 4); used = (used & 0x00ff) + (used >> 8); c = cp950ext_2charset[summary->indx + used]; r[0] = (c >> 8); r[1] = (c & 0xff); return 2; } } return RET_ILUNI; } return RET_TOOSMALL; }