citrus_mskanji.c revision 1.1.2.3
1 1.1.2.3 nathanw /* $NetBSD: citrus_mskanji.c,v 1.1.2.3 2002/04/25 04:01:40 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c)2002 Citrus Project, 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 9 1.1.2.2 nathanw * are met: 10 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 15 1.1.2.2 nathanw * 16 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.1.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 nathanw * SUCH DAMAGE. 27 1.1.2.2 nathanw */ 28 1.1.2.2 nathanw 29 1.1.2.2 nathanw /* 30 1.1.2.2 nathanw * ja_JP.SJIS locale table for BSD4.4/rune 31 1.1.2.2 nathanw * version 1.0 32 1.1.2.2 nathanw * (C) Sin'ichiro MIYATANI / Phase One, Inc 33 1.1.2.2 nathanw * May 12, 1995 34 1.1.2.2 nathanw * 35 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 36 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 37 1.1.2.2 nathanw * are met: 38 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 39 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 40 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 41 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 42 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 43 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 44 1.1.2.2 nathanw * must display the following acknowledgement: 45 1.1.2.2 nathanw * This product includes software developed by Phase One, Inc. 46 1.1.2.2 nathanw * 4. The name of Phase One, Inc. may be used to endorse or promote products 47 1.1.2.2 nathanw * derived from this software without specific prior written permission. 48 1.1.2.2 nathanw * 49 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 1.1.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 1.1.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 1.1.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 1.1.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 1.1.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 1.1.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 1.1.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 1.1.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 1.1.2.2 nathanw * SUCH DAMAGE. 60 1.1.2.2 nathanw */ 61 1.1.2.2 nathanw 62 1.1.2.2 nathanw 63 1.1.2.2 nathanw #include <sys/cdefs.h> 64 1.1.2.2 nathanw #if defined(LIBC_SCCS) && !defined(lint) 65 1.1.2.3 nathanw __RCSID("$NetBSD: citrus_mskanji.c,v 1.1.2.3 2002/04/25 04:01:40 nathanw Exp $"); 66 1.1.2.2 nathanw #endif /* LIBC_SCCS and not lint */ 67 1.1.2.2 nathanw 68 1.1.2.2 nathanw #include <assert.h> 69 1.1.2.2 nathanw #include <errno.h> 70 1.1.2.2 nathanw #include <string.h> 71 1.1.2.2 nathanw #include <stdio.h> 72 1.1.2.2 nathanw #include <stdlib.h> 73 1.1.2.2 nathanw #include <stddef.h> 74 1.1.2.2 nathanw #include <locale.h> 75 1.1.2.2 nathanw #include <wchar.h> 76 1.1.2.2 nathanw #include <sys/types.h> 77 1.1.2.2 nathanw #include <limits.h> 78 1.1.2.2 nathanw #include "citrus_module.h" 79 1.1.2.2 nathanw #include "citrus_ctype.h" 80 1.1.2.2 nathanw #include "citrus_mskanji.h" 81 1.1.2.2 nathanw 82 1.1.2.2 nathanw 83 1.1.2.2 nathanw /* ---------------------------------------------------------------------- 84 1.1.2.2 nathanw * private stuffs used by templates 85 1.1.2.2 nathanw */ 86 1.1.2.2 nathanw 87 1.1.2.2 nathanw typedef struct _MSKanjiState { 88 1.1.2.2 nathanw char ch[2]; 89 1.1.2.2 nathanw int chlen; 90 1.1.2.2 nathanw } _MSKanjiState; 91 1.1.2.2 nathanw 92 1.1.2.2 nathanw typedef struct { 93 1.1.2.2 nathanw int dummy; 94 1.1.2.2 nathanw } _MSKanjiEncodingInfo; 95 1.1.2.2 nathanw 96 1.1.2.2 nathanw typedef struct { 97 1.1.2.2 nathanw _MSKanjiEncodingInfo ei; 98 1.1.2.2 nathanw struct { 99 1.1.2.2 nathanw /* for future multi-locale facility */ 100 1.1.2.2 nathanw _MSKanjiState s_mblen; 101 1.1.2.2 nathanw _MSKanjiState s_mbrlen; 102 1.1.2.2 nathanw _MSKanjiState s_mbrtowc; 103 1.1.2.2 nathanw _MSKanjiState s_mbtowc; 104 1.1.2.2 nathanw _MSKanjiState s_mbsrtowcs; 105 1.1.2.2 nathanw _MSKanjiState s_wcrtomb; 106 1.1.2.2 nathanw _MSKanjiState s_wcsrtombs; 107 1.1.2.2 nathanw _MSKanjiState s_wctomb; 108 1.1.2.2 nathanw } states; 109 1.1.2.2 nathanw } _MSKanjiCTypeInfo; 110 1.1.2.2 nathanw 111 1.1.2.2 nathanw #define _CEI_TO_EI(_cei_) (&(_cei_)->ei) 112 1.1.2.2 nathanw #define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_ 113 1.1.2.2 nathanw 114 1.1.2.2 nathanw #define _FUNCNAME(m) _citrus_MSKanji_##m 115 1.1.2.2 nathanw #define _ENCODING_INFO _MSKanjiEncodingInfo 116 1.1.2.2 nathanw #define _CTYPE_INFO _MSKanjiCTypeInfo 117 1.1.2.2 nathanw #define _ENCODING_STATE _MSKanjiState 118 1.1.2.3 nathanw #define _ENCODING_MB_CUR_MAX(_ei_) 2 119 1.1.2.2 nathanw #define _ENCODING_IS_STATE_DEPENDENT 0 120 1.1.2.3 nathanw #define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0 121 1.1.2.2 nathanw 122 1.1.2.2 nathanw 123 1.1.2.2 nathanw static int 124 1.1.2.2 nathanw _mskanji1(int c) 125 1.1.2.2 nathanw { 126 1.1.2.2 nathanw 127 1.1.2.2 nathanw if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xef)) 128 1.1.2.2 nathanw return 1; 129 1.1.2.2 nathanw else 130 1.1.2.2 nathanw return 0; 131 1.1.2.2 nathanw } 132 1.1.2.2 nathanw 133 1.1.2.2 nathanw static int 134 1.1.2.2 nathanw _mskanji2(int c) 135 1.1.2.2 nathanw { 136 1.1.2.2 nathanw 137 1.1.2.2 nathanw if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc)) 138 1.1.2.2 nathanw return 1; 139 1.1.2.2 nathanw else 140 1.1.2.2 nathanw return 0; 141 1.1.2.2 nathanw } 142 1.1.2.2 nathanw 143 1.1.2.2 nathanw static __inline void 144 1.1.2.2 nathanw /*ARGSUSED*/ 145 1.1.2.2 nathanw _citrus_MSKanji_init_state(_MSKanjiEncodingInfo * __restrict ei, 146 1.1.2.2 nathanw _MSKanjiState * __restrict s) 147 1.1.2.2 nathanw { 148 1.1.2.2 nathanw memset(s, 0, sizeof(*s)); 149 1.1.2.2 nathanw } 150 1.1.2.2 nathanw 151 1.1.2.2 nathanw static __inline void 152 1.1.2.2 nathanw /*ARGSUSED*/ 153 1.1.2.2 nathanw _citrus_MSKanji_pack_state(_MSKanjiEncodingInfo * __restrict ei, 154 1.1.2.2 nathanw void * __restrict pspriv, 155 1.1.2.2 nathanw const _MSKanjiState * __restrict s) 156 1.1.2.2 nathanw { 157 1.1.2.2 nathanw memcpy(pspriv, (const void *)s, sizeof(*s)); 158 1.1.2.2 nathanw } 159 1.1.2.2 nathanw 160 1.1.2.2 nathanw static __inline void 161 1.1.2.2 nathanw /*ARGSUSED*/ 162 1.1.2.2 nathanw _citrus_MSKanji_unpack_state(_MSKanjiEncodingInfo * __restrict ei, 163 1.1.2.2 nathanw _MSKanjiState * __restrict s, 164 1.1.2.2 nathanw const void * __restrict pspriv) 165 1.1.2.2 nathanw { 166 1.1.2.2 nathanw memcpy((void *)s, pspriv, sizeof(*s)); 167 1.1.2.2 nathanw } 168 1.1.2.2 nathanw 169 1.1.2.2 nathanw static int 170 1.1.2.2 nathanw /*ARGSUSED*/ 171 1.1.2.2 nathanw _citrus_MSKanji_mbrtowc_priv(_MSKanjiEncodingInfo * __restrict ei, 172 1.1.2.2 nathanw wchar_t * __restrict pwc, 173 1.1.2.2 nathanw const char ** __restrict s, size_t n, 174 1.1.2.2 nathanw _MSKanjiState * __restrict psenc, 175 1.1.2.2 nathanw size_t * __restrict nresult) 176 1.1.2.2 nathanw { 177 1.1.2.2 nathanw wchar_t wchar; 178 1.1.2.2 nathanw int len; 179 1.1.2.2 nathanw int chlenbak; 180 1.1.2.2 nathanw const char *s0; 181 1.1.2.2 nathanw 182 1.1.2.2 nathanw _DIAGASSERT(nresult != 0); 183 1.1.2.2 nathanw _DIAGASSERT(ei != NULL); 184 1.1.2.2 nathanw _DIAGASSERT(s != NULL); 185 1.1.2.2 nathanw _DIAGASSERT(psenc != NULL); 186 1.1.2.2 nathanw 187 1.1.2.2 nathanw s0 = *s; 188 1.1.2.2 nathanw 189 1.1.2.2 nathanw if (s0 == NULL) { 190 1.1.2.2 nathanw _citrus_MSKanji_init_state(ei, psenc); 191 1.1.2.2 nathanw *nresult = 0; /* state independent */ 192 1.1.2.2 nathanw return (0); 193 1.1.2.2 nathanw } 194 1.1.2.2 nathanw 195 1.1.2.2 nathanw chlenbak = psenc->chlen; 196 1.1.2.2 nathanw 197 1.1.2.2 nathanw /* make sure we have the first byte in the buffer */ 198 1.1.2.2 nathanw switch (psenc->chlen) { 199 1.1.2.2 nathanw case 0: 200 1.1.2.2 nathanw if (n < 1) 201 1.1.2.2 nathanw goto restart; 202 1.1.2.2 nathanw psenc->ch[0] = *s0++; 203 1.1.2.2 nathanw psenc->chlen = 1; 204 1.1.2.2 nathanw n--; 205 1.1.2.2 nathanw break; 206 1.1.2.2 nathanw case 1: 207 1.1.2.2 nathanw break; 208 1.1.2.2 nathanw default: 209 1.1.2.2 nathanw /* illegal state */ 210 1.1.2.2 nathanw goto encoding_error; 211 1.1.2.2 nathanw } 212 1.1.2.2 nathanw 213 1.1.2.2 nathanw len = _mskanji1(psenc->ch[0] & 0xff) ? 2 : 1; 214 1.1.2.2 nathanw while (psenc->chlen < len) { 215 1.1.2.2 nathanw if (n < 1) 216 1.1.2.2 nathanw goto restart; 217 1.1.2.2 nathanw psenc->ch[psenc->chlen] = *s0++; 218 1.1.2.2 nathanw psenc->chlen++; 219 1.1.2.2 nathanw n--; 220 1.1.2.2 nathanw } 221 1.1.2.2 nathanw 222 1.1.2.2 nathanw *s = s0; 223 1.1.2.2 nathanw 224 1.1.2.2 nathanw switch (len) { 225 1.1.2.2 nathanw case 1: 226 1.1.2.2 nathanw wchar = psenc->ch[0] & 0xff; 227 1.1.2.2 nathanw break; 228 1.1.2.2 nathanw case 2: 229 1.1.2.2 nathanw if (!_mskanji2(psenc->ch[1] & 0xff)) 230 1.1.2.2 nathanw goto encoding_error; 231 1.1.2.2 nathanw wchar = ((psenc->ch[0] & 0xff) << 8) | (psenc->ch[1] & 0xff); 232 1.1.2.2 nathanw break; 233 1.1.2.2 nathanw default: 234 1.1.2.2 nathanw /* illegal state */ 235 1.1.2.2 nathanw goto encoding_error; 236 1.1.2.2 nathanw } 237 1.1.2.2 nathanw 238 1.1.2.2 nathanw psenc->chlen = 0; 239 1.1.2.2 nathanw 240 1.1.2.2 nathanw if (pwc) 241 1.1.2.2 nathanw *pwc = wchar; 242 1.1.2.2 nathanw 243 1.1.2.2 nathanw if (!wchar) 244 1.1.2.2 nathanw *nresult = 0; 245 1.1.2.2 nathanw else 246 1.1.2.2 nathanw *nresult = len - chlenbak; 247 1.1.2.2 nathanw 248 1.1.2.2 nathanw return (0); 249 1.1.2.2 nathanw 250 1.1.2.2 nathanw encoding_error: 251 1.1.2.2 nathanw psenc->chlen = 0; 252 1.1.2.2 nathanw *nresult = (size_t)-1; 253 1.1.2.2 nathanw return (EILSEQ); 254 1.1.2.2 nathanw 255 1.1.2.2 nathanw restart: 256 1.1.2.2 nathanw *nresult = (size_t)-2; 257 1.1.2.2 nathanw *s = s0; 258 1.1.2.2 nathanw return (0); 259 1.1.2.2 nathanw } 260 1.1.2.2 nathanw 261 1.1.2.2 nathanw 262 1.1.2.2 nathanw static int 263 1.1.2.2 nathanw _citrus_MSKanji_wcrtomb_priv(_MSKanjiEncodingInfo * __restrict ei, 264 1.1.2.2 nathanw char * __restrict s, size_t n, wchar_t wc, 265 1.1.2.2 nathanw _MSKanjiState * __restrict psenc, 266 1.1.2.2 nathanw size_t * __restrict nresult) 267 1.1.2.2 nathanw { 268 1.1.2.2 nathanw 269 1.1.2.2 nathanw _DIAGASSERT(ei != NULL); 270 1.1.2.2 nathanw _DIAGASSERT(psenc != NULL); 271 1.1.2.2 nathanw _DIAGASSERT(s != NULL); 272 1.1.2.2 nathanw 273 1.1.2.2 nathanw /* check invalid sequence */ 274 1.1.2.2 nathanw if (wc & ~0xffff) 275 1.1.2.2 nathanw goto ilseq; 276 1.1.2.2 nathanw 277 1.1.2.2 nathanw if (wc & 0xff00) { 278 1.1.2.2 nathanw if (n < 2) 279 1.1.2.2 nathanw goto ilseq; 280 1.1.2.2 nathanw 281 1.1.2.2 nathanw s[0] = (wc >> 8) & 0xff; 282 1.1.2.2 nathanw s[1] = wc & 0xff; 283 1.1.2.2 nathanw if (!_mskanji1(s[0] & 0xff) || !_mskanji2(s[1] & 0xff)) 284 1.1.2.2 nathanw goto ilseq; 285 1.1.2.2 nathanw 286 1.1.2.2 nathanw *nresult = 2; 287 1.1.2.2 nathanw return (0); 288 1.1.2.2 nathanw } else { 289 1.1.2.2 nathanw s[0] = wc & 0xff; 290 1.1.2.2 nathanw if (_mskanji1(s[0] & 0xff)) 291 1.1.2.2 nathanw goto ilseq; 292 1.1.2.2 nathanw 293 1.1.2.2 nathanw *nresult = 1; 294 1.1.2.2 nathanw return (0); 295 1.1.2.2 nathanw } 296 1.1.2.2 nathanw 297 1.1.2.2 nathanw ilseq: 298 1.1.2.2 nathanw *nresult = (size_t)-1; 299 1.1.2.2 nathanw return EILSEQ; 300 1.1.2.2 nathanw } 301 1.1.2.2 nathanw 302 1.1.2.2 nathanw 303 1.1.2.2 nathanw static int 304 1.1.2.2 nathanw /*ARGSUSED*/ 305 1.1.2.2 nathanw _citrus_MSKanji_stdencoding_init(_MSKanjiEncodingInfo * __restrict ei, 306 1.1.2.2 nathanw const void * __restrict var, size_t lenvar) 307 1.1.2.2 nathanw { 308 1.1.2.2 nathanw 309 1.1.2.2 nathanw _DIAGASSERT(cl != NULL); 310 1.1.2.2 nathanw 311 1.1.2.2 nathanw return (0); 312 1.1.2.2 nathanw } 313 1.1.2.2 nathanw 314 1.1.2.2 nathanw static void 315 1.1.2.2 nathanw _citrus_MSKanji_stdencoding_uninit(_MSKanjiEncodingInfo *ei) 316 1.1.2.2 nathanw { 317 1.1.2.2 nathanw } 318 1.1.2.2 nathanw 319 1.1.2.2 nathanw /* ---------------------------------------------------------------------- 320 1.1.2.2 nathanw * public interface for ctype 321 1.1.2.2 nathanw */ 322 1.1.2.2 nathanw 323 1.1.2.2 nathanw _CITRUS_CTYPE_DECLS(MSKanji); 324 1.1.2.2 nathanw _CITRUS_CTYPE_DEF_OPS(MSKanji); 325 1.1.2.2 nathanw 326 1.1.2.2 nathanw #include "citrus_ctype_template.h" 327
Indexes created Tue Oct 21 16:10:11 GMT 2025