/* $NetBSD: citrus_mskanji.c,v 1.5 2002/03/28 10:53:49 yamt Exp $ */ /*- * Copyright (c)2002 Citrus Project, * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * ja_JP.SJIS locale table for BSD4.4/rune * version 1.0 * (C) Sin'ichiro MIYATANI / Phase One, Inc * May 12, 1995 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Phase One, Inc. * 4. The name of Phase One, Inc. may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: citrus_mskanji.c,v 1.5 2002/03/28 10:53:49 yamt Exp $"); #endif /* LIBC_SCCS and not lint */ #include #include #include #include #include #include #include #include #include #include #include "citrus_module.h" #include "citrus_ctype.h" #include "citrus_mskanji.h" /* ---------------------------------------------------------------------- * private stuffs used by templates */ typedef struct _MSKanjiState { char ch[2]; int chlen; } _MSKanjiState; typedef struct { int dummy; } _MSKanjiEncodingInfo; typedef struct { _MSKanjiEncodingInfo ei; struct { /* for future multi-locale facility */ _MSKanjiState s_mblen; _MSKanjiState s_mbrlen; _MSKanjiState s_mbrtowc; _MSKanjiState s_mbtowc; _MSKanjiState s_mbsrtowcs; _MSKanjiState s_wcrtomb; _MSKanjiState s_wcsrtombs; _MSKanjiState s_wctomb; } states; } _MSKanjiCTypeInfo; #define _CEI_TO_EI(_cei_) (&(_cei_)->ei) #define _CEI_TO_STATE(_cei_, _func_) (_cei_)->states.s_##_func_ #define _FUNCNAME(m) _citrus_MSKanji_##m #define _ENCODING_INFO _MSKanjiEncodingInfo #define _CTYPE_INFO _MSKanjiCTypeInfo #define _ENCODING_STATE _MSKanjiState #define _ENCODING_MB_CUR_MAX(_ei_) 2 #define _ENCODING_IS_STATE_DEPENDENT 0 #define _STATE_NEEDS_EXPLICIT_INIT(_ps_) 0 static int _mskanji1(int c) { if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xef)) return 1; else return 0; } static int _mskanji2(int c) { if ((c >= 0x40 && c <= 0x7e) || (c >= 0x80 && c <= 0xfc)) return 1; else return 0; } static __inline void /*ARGSUSED*/ _citrus_MSKanji_init_state(_MSKanjiEncodingInfo * __restrict ei, _MSKanjiState * __restrict s) { memset(s, 0, sizeof(*s)); } static __inline void /*ARGSUSED*/ _citrus_MSKanji_pack_state(_MSKanjiEncodingInfo * __restrict ei, void * __restrict pspriv, const _MSKanjiState * __restrict s) { memcpy(pspriv, (const void *)s, sizeof(*s)); } static __inline void /*ARGSUSED*/ _citrus_MSKanji_unpack_state(_MSKanjiEncodingInfo * __restrict ei, _MSKanjiState * __restrict s, const void * __restrict pspriv) { memcpy((void *)s, pspriv, sizeof(*s)); } static int /*ARGSUSED*/ _citrus_MSKanji_mbrtowc_priv(_MSKanjiEncodingInfo * __restrict ei, wchar_t * __restrict pwc, const char ** __restrict s, size_t n, _MSKanjiState * __restrict psenc, size_t * __restrict nresult) { wchar_t wchar; int len; int chlenbak; const char *s0; _DIAGASSERT(nresult != 0); _DIAGASSERT(ei != NULL); _DIAGASSERT(s != NULL); _DIAGASSERT(psenc != NULL); s0 = *s; if (s0 == NULL) { _citrus_MSKanji_init_state(ei, psenc); *nresult = 0; /* state independent */ return (0); } chlenbak = psenc->chlen; /* make sure we have the first byte in the buffer */ switch (psenc->chlen) { case 0: if (n < 1) goto restart; psenc->ch[0] = *s0++; psenc->chlen = 1; n--; break; case 1: break; default: /* illegal state */ goto encoding_error; } len = _mskanji1(psenc->ch[0] & 0xff) ? 2 : 1; while (psenc->chlen < len) { if (n < 1) goto restart; psenc->ch[psenc->chlen] = *s0++; psenc->chlen++; n--; } *s = s0; switch (len) { case 1: wchar = psenc->ch[0] & 0xff; break; case 2: if (!_mskanji2(psenc->ch[1] & 0xff)) goto encoding_error; wchar = ((psenc->ch[0] & 0xff) << 8) | (psenc->ch[1] & 0xff); break; default: /* illegal state */ goto encoding_error; } psenc->chlen = 0; if (pwc) *pwc = wchar; if (!wchar) *nresult = 0; else *nresult = len - chlenbak; return (0); encoding_error: psenc->chlen = 0; *nresult = (size_t)-1; return (EILSEQ); restart: *nresult = (size_t)-2; *s = s0; return (0); } static int _citrus_MSKanji_wcrtomb_priv(_MSKanjiEncodingInfo * __restrict ei, char * __restrict s, size_t n, wchar_t wc, _MSKanjiState * __restrict psenc, size_t * __restrict nresult) { _DIAGASSERT(ei != NULL); _DIAGASSERT(psenc != NULL); _DIAGASSERT(s != NULL); /* check invalid sequence */ if (wc & ~0xffff) goto ilseq; if (wc & 0xff00) { if (n < 2) goto ilseq; s[0] = (wc >> 8) & 0xff; s[1] = wc & 0xff; if (!_mskanji1(s[0] & 0xff) || !_mskanji2(s[1] & 0xff)) goto ilseq; *nresult = 2; return (0); } else { s[0] = wc & 0xff; if (_mskanji1(s[0] & 0xff)) goto ilseq; *nresult = 1; return (0); } ilseq: *nresult = (size_t)-1; return EILSEQ; } static int /*ARGSUSED*/ _citrus_MSKanji_stdencoding_init(_MSKanjiEncodingInfo * __restrict ei, const void * __restrict var, size_t lenvar) { _DIAGASSERT(cl != NULL); return (0); } static void _citrus_MSKanji_stdencoding_uninit(_MSKanjiEncodingInfo *ei) { } /* ---------------------------------------------------------------------- * public interface for ctype */ _CITRUS_CTYPE_DECLS(MSKanji); _CITRUS_CTYPE_DEF_OPS(MSKanji); #include "citrus_ctype_template.h"