b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
544 lines
12 KiB
C
544 lines
12 KiB
C
/* $NetBSD: citrus_mskanji.c,v 1.13 2008/06/14 16:01:08 tnozaki 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 <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: citrus_mskanji.c,v 1.13 2008/06/14 16:01:08 tnozaki Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stddef.h>
|
|
#include <wchar.h>
|
|
#include <sys/types.h>
|
|
#include <limits.h>
|
|
|
|
#include "citrus_namespace.h"
|
|
#include "citrus_types.h"
|
|
#include "citrus_bcs.h"
|
|
#include "citrus_module.h"
|
|
#include "citrus_ctype.h"
|
|
#include "citrus_stdenc.h"
|
|
#include "citrus_mskanji.h"
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* private stuffs used by templates
|
|
*/
|
|
|
|
typedef struct _MSKanjiState {
|
|
char ch[2];
|
|
int chlen;
|
|
} _MSKanjiState;
|
|
|
|
typedef struct {
|
|
int mode;
|
|
#define MODE_JIS2004 1
|
|
} _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 <= 0xfc))
|
|
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)
|
|
{
|
|
s->chlen = 0;
|
|
}
|
|
|
|
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)
|
|
{
|
|
int ret;
|
|
|
|
_DIAGASSERT(ei != NULL);
|
|
_DIAGASSERT(psenc != NULL);
|
|
_DIAGASSERT(s != NULL);
|
|
|
|
/* check invalid sequence */
|
|
if (wc & ~0xffff) {
|
|
ret = EILSEQ;
|
|
goto err;
|
|
}
|
|
|
|
if (wc & 0xff00) {
|
|
if (n < 2) {
|
|
ret = E2BIG;
|
|
goto err;
|
|
}
|
|
|
|
s[0] = (wc >> 8) & 0xff;
|
|
s[1] = wc & 0xff;
|
|
if (!_mskanji1(s[0] & 0xff) || !_mskanji2(s[1] & 0xff)) {
|
|
ret = EILSEQ;
|
|
goto err;
|
|
}
|
|
|
|
*nresult = 2;
|
|
return 0;
|
|
} else {
|
|
if (n < 1) {
|
|
ret = E2BIG;
|
|
goto err;
|
|
}
|
|
|
|
s[0] = wc & 0xff;
|
|
if (_mskanji1(s[0] & 0xff)) {
|
|
ret = EILSEQ;
|
|
goto err;
|
|
}
|
|
|
|
*nresult = 1;
|
|
return 0;
|
|
}
|
|
|
|
err:
|
|
*nresult = (size_t)-1;
|
|
return ret;
|
|
}
|
|
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_MSKanji_stdenc_wctocs(_MSKanjiEncodingInfo * __restrict ei,
|
|
_csid_t * __restrict csid,
|
|
_index_t * __restrict idx, wchar_t wc)
|
|
{
|
|
_index_t row, col;
|
|
int offset;
|
|
|
|
_DIAGASSERT(csid != NULL && idx != NULL);
|
|
|
|
if ((_wc_t)wc < 0x80) {
|
|
/* ISO-646 */
|
|
*csid = 0;
|
|
*idx = (_index_t)wc;
|
|
} else if ((_wc_t)wc < 0x100) {
|
|
/* KANA */
|
|
*csid = 1;
|
|
*idx = (_index_t)wc & 0x7F;
|
|
} else {
|
|
/* Kanji (containing Gaiji zone) */
|
|
/*
|
|
* 94^2 zone (contains a part of Gaiji (0xED40 - 0xEEFC)):
|
|
* 0x8140 - 0x817E -> 0x2121 - 0x215F
|
|
* 0x8180 - 0x819E -> 0x2160 - 0x217E
|
|
* 0x819F - 0x81FC -> 0x2221 - 0x227E
|
|
*
|
|
* 0x8240 - 0x827E -> 0x2321 - 0x235F
|
|
* ...
|
|
* 0x9F9F - 0x9FFc -> 0x5E21 - 0x5E7E
|
|
*
|
|
* 0xE040 - 0xE07E -> 0x5F21 - 0x5F5F
|
|
* ...
|
|
* 0xEF9F - 0xEFFC -> 0x7E21 - 0x7E7E
|
|
*
|
|
* extended Gaiji zone:
|
|
* 0xF040 - 0xFCFC
|
|
*
|
|
* JIS X0213-plane2:
|
|
* 0xF040 - 0xF09E -> 0x2121 - 0x217E
|
|
* 0xF140 - 0xF19E -> 0x2321 - 0x237E
|
|
* ...
|
|
* 0xF240 - 0xF29E -> 0x2521 - 0x257E
|
|
*
|
|
* 0xF09F - 0xF0FC -> 0x2821 - 0x287E
|
|
* 0xF29F - 0xF2FC -> 0x2C21 - 0x2C7E
|
|
* ...
|
|
* 0xF44F - 0xF49E -> 0x2F21 - 0x2F7E
|
|
*
|
|
* 0xF49F - 0xF4FC -> 0x6E21 - 0x6E7E
|
|
* ...
|
|
* 0xFC9F - 0xFCFC -> 0x7E21 - 0x7E7E
|
|
*/
|
|
row = ((_wc_t)wc >> 8) & 0xFF;
|
|
col = (_wc_t)wc & 0xFF;
|
|
if (!_mskanji1(row) || !_mskanji2(col))
|
|
return EILSEQ;
|
|
if ((ei->mode & MODE_JIS2004) == 0 || row < 0xF0) {
|
|
*csid = 2;
|
|
offset = 0x81;
|
|
} else {
|
|
*csid = 3;
|
|
if ((_wc_t)wc <= 0xF49E) {
|
|
offset = (_wc_t)wc >= 0xF29F ||
|
|
((_wc_t)wc >= 0xF09F && (_wc_t)wc <= 0xF0FC)
|
|
? 0xED : 0xF0;
|
|
} else
|
|
offset = 0xCE;
|
|
}
|
|
row -= offset;
|
|
if (row >= 0x5F)
|
|
row -= 0x40;
|
|
row = row * 2 + 0x21;
|
|
col -= 0x1F;
|
|
if (col >= 0x61)
|
|
col -= 1;
|
|
if (col > 0x7E) {
|
|
row += 1;
|
|
col -= 0x5E;
|
|
}
|
|
*idx = ((_index_t)row << 8) | col;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_MSKanji_stdenc_cstowc(_MSKanjiEncodingInfo * __restrict ei,
|
|
wchar_t * __restrict wc,
|
|
_csid_t csid, _index_t idx)
|
|
{
|
|
u_int32_t row, col;
|
|
int offset;
|
|
|
|
_DIAGASSERT(wc != NULL);
|
|
|
|
switch (csid) {
|
|
case 0:
|
|
/* ISO-646 */
|
|
if (idx >= 0x80)
|
|
return EILSEQ;
|
|
*wc = (wchar_t)idx;
|
|
break;
|
|
case 1:
|
|
/* kana */
|
|
if (idx >= 0x80)
|
|
return EILSEQ;
|
|
*wc = (wchar_t)idx + 0x80;
|
|
break;
|
|
case 3:
|
|
if ((ei->mode & MODE_JIS2004) == 0)
|
|
return EILSEQ;
|
|
/*FALLTHROUGH*/
|
|
case 2:
|
|
/* kanji */
|
|
row = (idx >> 8);
|
|
if (row < 0x21)
|
|
return EILSEQ;
|
|
if (csid == 3) {
|
|
if (row <= 0x2F)
|
|
offset = (row == 0x22 || row >= 0x26)
|
|
? 0xED : 0xF0;
|
|
else if (row >= 0x4D && row <= 0x7E)
|
|
offset = 0xCE;
|
|
else
|
|
return EILSEQ;
|
|
} else {
|
|
if (row > 0x97)
|
|
return EILSEQ;
|
|
offset = (row < 0x5F) ? 0x81 : 0xC1;
|
|
}
|
|
col = idx & 0xFF;
|
|
if (col < 0x21 || col > 0x7E)
|
|
return EILSEQ;
|
|
row -= 0x21; col -= 0x21;
|
|
if ((row & 1) == 0) {
|
|
col += 0x40;
|
|
if (col >= 0x7F)
|
|
col += 1;
|
|
} else
|
|
col += 0x9F;
|
|
row = row / 2 + offset;
|
|
*wc = ((wchar_t)row << 8) | col;
|
|
break;
|
|
default:
|
|
return EILSEQ;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __inline int
|
|
/*ARGSUSED*/
|
|
_citrus_MSKanji_stdenc_get_state_desc_generic(_MSKanjiEncodingInfo * __restrict ei,
|
|
_MSKanjiState * __restrict psenc,
|
|
int * __restrict rstate)
|
|
{
|
|
|
|
if (psenc->chlen == 0)
|
|
*rstate = _STDENC_SDGEN_INITIAL;
|
|
else
|
|
*rstate = _STDENC_SDGEN_INCOMPLETE_CHAR;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
/*ARGSUSED*/
|
|
_citrus_MSKanji_encoding_module_init(_MSKanjiEncodingInfo * __restrict ei,
|
|
const void * __restrict var,
|
|
size_t lenvar)
|
|
{
|
|
const char *p;
|
|
|
|
_DIAGASSERT(ei != NULL);
|
|
|
|
p = var;
|
|
#define MATCH(x, act) \
|
|
do { \
|
|
if (lenvar >= (sizeof(#x)-1) && \
|
|
_bcs_strncasecmp(p, #x, sizeof(#x)-1) == 0) { \
|
|
act; \
|
|
lenvar -= sizeof(#x)-1; \
|
|
p += sizeof(#x)-1; \
|
|
} \
|
|
} while (/*CONSTCOND*/0)
|
|
memset((void *)ei, 0, sizeof(*ei));
|
|
while (lenvar > 0) {
|
|
switch (_bcs_toupper(*p)) {
|
|
case 'J':
|
|
MATCH(JIS2004, ei->mode |= MODE_JIS2004);
|
|
break;
|
|
}
|
|
++p;
|
|
--lenvar;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
_citrus_MSKanji_encoding_module_uninit(_MSKanjiEncodingInfo *ei)
|
|
{
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for ctype
|
|
*/
|
|
|
|
_CITRUS_CTYPE_DECLS(MSKanji);
|
|
_CITRUS_CTYPE_DEF_OPS(MSKanji);
|
|
|
|
#include "citrus_ctype_template.h"
|
|
|
|
/* ----------------------------------------------------------------------
|
|
* public interface for stdenc
|
|
*/
|
|
|
|
_CITRUS_STDENC_DECLS(MSKanji);
|
|
_CITRUS_STDENC_DEF_OPS(MSKanji);
|
|
|
|
#include "citrus_stdenc_template.h"
|