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Diffstat (limited to 'MSVC/iconv/cp950.h')
| -rw-r--r-- | MSVC/iconv/cp950.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/MSVC/iconv/cp950.h b/MSVC/iconv/cp950.h new file mode 100644 index 0000000..7df0c26 --- /dev/null +++ b/MSVC/iconv/cp950.h @@ -0,0 +1,228 @@ +/* + * 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., 59 Temple Place - + * Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * CP950 + */ + +/* + * Microsoft CP950 is a slightly extended and slightly modified version of + * BIG5. The differences between the EASTASIA/OTHER/BIG5.TXT and + * VENDORS/MICSFT/WINDOWS/CP950.TXT tables found on ftp.unicode.org are + * as follows: + * + * 1. Some characters in the BIG5 range are defined differently: + * + * code BIG5.TXT CP950.TXT + * 0xA145 0x2022 # BULLET 0x2027 # HYPHENATION POINT + * 0xA14E 0xFF64 # HALFWIDTH IDEOGRAPHIC COMMA + * 0xFE51 # SMALL IDEOGRAPHIC COMMA + * 0xA15A --- 0x2574 # BOX DRAWINGS LIGHT LEFT + * 0xA1C2 0x203E # OVERLINE 0x00AF # MACRON + * 0xA1C3 --- 0xFFE3 # FULLWIDTH MACRON + * 0xA1C5 --- 0x02CD # MODIFIER LETTER LOW MACRON + * 0xA1E3 0x223C # TILDE OPERATOR 0xFF5E # FULLWIDTH TILDE + * 0xA1F2 0x2641 # EARTH 0x2295 # CIRCLED PLUS + * 0xA1F3 0x2609 # SUN 0x2299 # CIRCLED DOT OPERATOR + * 0xA1FE --- 0xFF0F # FULLWIDTH SOLIDUS + * 0xA240 --- 0xFF3C # FULLWIDTH REVERSE SOLIDUS + * 0xA241 0xFF0F # FULLWIDTH SOLIDUS 0x2215 # DIVISION SLASH + * 0xA242 0xFF3C # FULLWIDTH REVERSE SOLIDUS + * 0xFE68 # SMALL REVERSE SOLIDUS + * 0xA244 0x00A5 # YEN SIGN 0xFFE5 # FULLWIDTH YEN SIGN + * 0xA246 0x00A2 # CENT SIGN 0xFFE0 # FULLWIDTH CENT SIGN + * 0xA247 0x00A3 # POUND SIGN 0xFFE1 # FULLWIDTH POUND SIGN + * 0xA2CC --- 0x5341 + * 0xA2CE --- 0x5345 + * + * 2. A small new row. See cp950ext.h. + * + * 3. CP950.TXT is lacking the range 0xC6A1..0xC7FC (Hiragana, Katakana, + * Cyrillic, circled digits, parenthesized digits). + * + * We implement this omission, because said range is marked "uncertain" + * in the unicode.org BIG5 table. + */ + +static const unsigned short cp950_2uni_pagea1[314] = { + /* 0xa1 */ + 0x3000, 0xff0c, 0x3001, 0x3002, 0xff0e, 0x2027, 0xff1b, 0xff1a, + 0xff1f, 0xff01, 0xfe30, 0x2026, 0x2025, 0xfe50, 0xfe51, 0xfe52, + 0x00b7, 0xfe54, 0xfe55, 0xfe56, 0xfe57, 0xff5c, 0x2013, 0xfe31, + 0x2014, 0xfe33, 0x2574, 0xfe34, 0xfe4f, 0xff08, 0xff09, 0xfe35, + 0xfe36, 0xff5b, 0xff5d, 0xfe37, 0xfe38, 0x3014, 0x3015, 0xfe39, + 0xfe3a, 0x3010, 0x3011, 0xfe3b, 0xfe3c, 0x300a, 0x300b, 0xfe3d, + 0xfe3e, 0x3008, 0x3009, 0xfe3f, 0xfe40, 0x300c, 0x300d, 0xfe41, + 0xfe42, 0x300e, 0x300f, 0xfe43, 0xfe44, 0xfe59, 0xfe5a, 0xfe5b, + 0xfe5c, 0xfe5d, 0xfe5e, 0x2018, 0x2019, 0x201c, 0x201d, 0x301d, + 0x301e, 0x2035, 0x2032, 0xff03, 0xff06, 0xff0a, 0x203b, 0x00a7, + 0x3003, 0x25cb, 0x25cf, 0x25b3, 0x25b2, 0x25ce, 0x2606, 0x2605, + 0x25c7, 0x25c6, 0x25a1, 0x25a0, 0x25bd, 0x25bc, 0x32a3, 0x2105, + 0x00af, 0xffe3, 0xff3f, 0x02cd, 0xfe49, 0xfe4a, 0xfe4d, 0xfe4e, + 0xfe4b, 0xfe4c, 0xfe5f, 0xfe60, 0xfe61, 0xff0b, 0xff0d, 0x00d7, + 0x00f7, 0x00b1, 0x221a, 0xff1c, 0xff1e, 0xff1d, 0x2266, 0x2267, + 0x2260, 0x221e, 0x2252, 0x2261, 0xfe62, 0xfe63, 0xfe64, 0xfe65, + 0xfe66, 0xff5e, 0x2229, 0x222a, 0x22a5, 0x2220, 0x221f, 0x22bf, + 0x33d2, 0x33d1, 0x222b, 0x222e, 0x2235, 0x2234, 0x2640, 0x2642, + 0x2295, 0x2299, 0x2191, 0x2193, 0x2190, 0x2192, 0x2196, 0x2197, + 0x2199, 0x2198, 0x2225, 0x2223, 0xff0f, + /* 0xa2 */ + 0xff3c, 0x2215, 0xfe68, 0xff04, 0xffe5, 0x3012, 0xffe0, 0xffe1, + 0xff05, 0xff20, 0x2103, 0x2109, 0xfe69, 0xfe6a, 0xfe6b, 0x33d5, + 0x339c, 0x339d, 0x339e, 0x33ce, 0x33a1, 0x338e, 0x338f, 0x33c4, + 0x00b0, 0x5159, 0x515b, 0x515e, 0x515d, 0x5161, 0x5163, 0x55e7, + 0x74e9, 0x7cce, 0x2581, 0x2582, 0x2583, 0x2584, 0x2585, 0x2586, + 0x2587, 0x2588, 0x258f, 0x258e, 0x258d, 0x258c, 0x258b, 0x258a, + 0x2589, 0x253c, 0x2534, 0x252c, 0x2524, 0x251c, 0x2594, 0x2500, + 0x2502, 0x2595, 0x250c, 0x2510, 0x2514, 0x2518, 0x256d, 0x256e, + 0x2570, 0x256f, 0x2550, 0x255e, 0x256a, 0x2561, 0x25e2, 0x25e3, + 0x25e5, 0x25e4, 0x2571, 0x2572, 0x2573, 0xff10, 0xff11, 0xff12, + 0xff13, 0xff14, 0xff15, 0xff16, 0xff17, 0xff18, 0xff19, 0x2160, + 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, + 0x2169, 0x3021, 0x3022, 0x3023, 0x3024, 0x3025, 0x3026, 0x3027, + 0x3028, 0x3029, 0x5341, 0x5344, 0x5345, 0xff21, 0xff22, 0xff23, + 0xff24, 0xff25, 0xff26, 0xff27, 0xff28, 0xff29, 0xff2a, 0xff2b, + 0xff2c, 0xff2d, 0xff2e, 0xff2f, 0xff30, 0xff31, 0xff32, 0xff33, + 0xff34, 0xff35, 0xff36, 0xff37, 0xff38, 0xff39, 0xff3a, 0xff41, + 0xff42, 0xff43, 0xff44, 0xff45, 0xff46, 0xff47, 0xff48, 0xff49, + 0xff4a, 0xff4b, 0xff4c, 0xff4d, 0xff4e, 0xff4f, 0xff50, 0xff51, + 0xff52, 0xff53, 0xff54, 0xff55, 0xff56, +}; + +#include "cp950ext.h" + +static int +cp950_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c = *s; + /* Code set 0 (ASCII) */ + if (c < 0x80) + return ascii_mbtowc(conv,pwc,s,n); + /* Code set 1 (BIG5 extended) */ + if (c >= 0xa1 && c < 0xff) { + if (n < 2) + return RET_TOOFEW(0); + { + unsigned char c2 = s[1]; + if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0xa1 && c2 < 0xff)) { + if (c < 0xa3) { + unsigned int i = 157 * (c - 0xa1) + (c2 - (c2 >= 0xa1 ? 0x62 : 0x40)); + unsigned short wc = cp950_2uni_pagea1[i]; + if (wc != 0xfffd) { + *pwc = (ucs4_t) wc; + return 2; + } + } + if (!((c == 0xc6 && c2 >= 0xa1) || c == 0xc7)) { + int ret = big5_mbtowc(conv,pwc,s,2); + if (ret != RET_ILSEQ) + return ret; + } + } + } + if (c == 0xf9) { + int ret = cp950ext_mbtowc(conv,pwc,s,2); + if (ret != RET_ILSEQ) + return ret; + } + } + return RET_ILSEQ; +} + +static int +cp950_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + unsigned char buf[2]; + int ret; + + /* Code set 0 (ASCII) */ + ret = ascii_wctomb(conv,r,wc,n); + if (ret != RET_ILUNI) + return ret; + + /* Code set 1 (BIG5 extended) */ + switch (wc >> 8) { + case 0x00: + if (wc == 0x00af) { buf[0] = 0xa1; buf[1] = 0xc2; ret = 2; break; } + if (wc == 0x00a2 || wc == 0x00a3 || wc == 0x00a4) + return RET_ILUNI; + break; + case 0x02: + if (wc == 0x02cd) { buf[0] = 0xa1; buf[1] = 0xc5; ret = 2; break; } + break; + case 0x20: + if (wc == 0x2027) { buf[0] = 0xa1; buf[1] = 0x45; ret = 2; break; } + if (wc == 0x2022 || wc == 0x203e) + return RET_ILUNI; + break; + case 0x22: + if (wc == 0x2215) { buf[0] = 0xa2; buf[1] = 0x41; ret = 2; break; } + if (wc == 0x2295) { buf[0] = 0xa1; buf[1] = 0xf2; ret = 2; break; } + if (wc == 0x2299) { buf[0] = 0xa1; buf[1] = 0xf3; ret = 2; break; } + if (wc == 0x223c) + return RET_ILUNI; + break; + case 0x25: + if (wc == 0x2574) { buf[0] = 0xa1; buf[1] = 0x5a; ret = 2; break; } + break; + case 0x26: + if (wc == 0x2609 || wc == 0x2641) + return RET_ILUNI; + break; + case 0xfe: + if (wc == 0xfe51) { buf[0] = 0xa1; buf[1] = 0x4e; ret = 2; break; } + if (wc == 0xfe68) { buf[0] = 0xa2; buf[1] = 0x42; ret = 2; break; } + break; + case 0xff: + if (wc == 0xff0f) { buf[0] = 0xa1; buf[1] = 0xfe; ret = 2; break; } + if (wc == 0xff3c) { buf[0] = 0xa2; buf[1] = 0x40; ret = 2; break; } + if (wc == 0xff5e) { buf[0] = 0xa1; buf[1] = 0xe3; ret = 2; break; } + if (wc == 0xffe0) { buf[0] = 0xa2; buf[1] = 0x46; ret = 2; break; } + if (wc == 0xffe1) { buf[0] = 0xa2; buf[1] = 0x47; ret = 2; break; } + if (wc == 0xffe3) { buf[0] = 0xa1; buf[1] = 0xc3; ret = 2; break; } + if (wc == 0xffe5) { buf[0] = 0xa2; buf[1] = 0x44; ret = 2; break; } + if (wc == 0xff64) + return RET_ILUNI; + break; + } + if (ret == RET_ILUNI) + ret = big5_wctomb(conv,buf,wc,2); + if (ret != RET_ILUNI) { + if (ret != 2) abort(); + if (!((buf[0] == 0xc6 && buf[1] >= 0xa1) || buf[0] == 0xc7)) { + if (n < 2) + return RET_TOOSMALL; + r[0] = buf[0]; + r[1] = buf[1]; + return 2; + } + } + ret = cp950ext_wctomb(conv,buf,wc,2); + if (ret != RET_ILUNI) { + if (ret != 2) abort(); + if (n < 2) + return RET_TOOSMALL; + r[0] = buf[0]; + r[1] = buf[1]; + return 2; + } + + return RET_ILUNI; +} |