sj3/kanakan/getkanji.c
Masanori Ogino b568905e51 Import SJ3 2.0.1.20
Signed-off-by: Masanori Ogino <mogino@acm.org>
2023-11-26 06:45:00 +09:00

279 lines
5 KiB
C

/*
* Copyright (c) 1991-1994 Sony Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Sony Corporation
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* from Sony Corporation.
*
*/
/*
* $SonyRCSfile: getkanji.c,v $
* $SonyRevision: 1.1 $
* $SonyDate: 1994/06/03 08:01:49 $
*/
#include "sj_euc.h"
#include "sj_kcnv.h"
Static Uchar *code2kanji();
Int codesize();
Uchar *getkan_none(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
return d;
}
Uchar *getkan_hira(s, d, ym, yl, flg)
Uchar *d;
Reg2 Uchar *ym;
Uchar *s;
Int yl;
Int flg;
{
Reg1 Int cnt, csize;
csize = codesize(*s);
cnt = (*s & KanjiCodeMask) + 1;
if (flg && (s[csize] == KanjiStrEnd)) ym += (yl - cnt) * 2;
cnt *= 2;
while (cnt-- > 0) *d++ = *ym++;
return d;
}
Uchar *getkan_kata(s, d, ym, yl, flg)
Reg1 Uchar *d;
Reg2 Uchar *ym;
Uchar *s;
Int flg;
{
Reg3 Int cnt, csize;
Reg4 Uchar ch;
csize = codesize(*s);
cnt = (*s & KanjiCodeMask) + 1;
if (flg && (s[csize] == KanjiStrEnd)) ym += (yl - cnt) * 2;
while (cnt-- > 0) {
if (*ym == 0xa4) {
ch = *++ym;
if (0xa1 <= ch && ch <= 0xf3) {
*d++ = 0xa5;
}
else {
*d++ = 0xa4;
}
*d++ = ch;
ym++;
}
else {
*d++ = *ym++;
*d++ = *ym++;
}
}
return d;
}
Uchar *getkan_knj(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
return code2kanji(askknj[*s & KnjAssyukuMask], d, ym, yl, flg);
}
Uchar *getkan_ofs(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
return code2kanji(dicbuf + ((*s & KanjiCodeMask) << 8) + *(s + 1),
d, ym, yl, flg);
}
Uchar *getkan_norm(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
Reg2 Int i, csize;
Reg2 Uchar c;
if (*s != 0) {
c = s[1];
if (c & 0x80)
*d++ = SS3;
*d++ = *s | 0x80;
*d++ = c | 0x80;
} else {
*d++ = *s;
}
return d;
}
Uchar *getkan_ascii(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
Reg2 Uchar c;
c = s[1];
if (c & 0x80)
*d++ = SS2;
*d++ = c;
return d;
}
Static Uchar *code2kanji(s, d, ym, yl, flg)
Uchar *s;
Uchar *d;
Uchar *ym;
Int yl;
Int flg;
{
Reg2 Int csize;
for ( ; ; ) {
csize = codesize(*s);
if (s[csize] == KanjiStrEnd) {
switch(*s & KanjiModeMask) {
case ZenHiraAssyuku:
d = getkan_hira(s, d, ym, yl, flg); break;
case ZenKataAssyuku:
d = getkan_kata(s, d, ym, yl, flg); break;
case OffsetAssyuku:
d = getkan_ofs(s, d, ym, yl, flg); break;
case AiAttribute:
d = getkan_none(s, d, ym, yl, flg); break;
case LeadingHankaku:
d = getkan_ascii(s, d, ym, yl, flg); break;
case KanjiAssyuku:
d = getkan_knj(s, d, ym, yl, flg); break;
default:
d = getkan_norm(s, d, ym, yl, flg);
}
break;
}
else
switch(*s & KanjiModeMask) {
case ZenHiraAssyuku:
d = getkan_hira(s, d, ym, yl, FALSE); break;
case ZenKataAssyuku:
d = getkan_kata(s, d, ym, yl, FALSE); break;
case OffsetAssyuku:
d = getkan_ofs(s, d, ym, yl, FALSE); break;
case AiAttribute:
d = getkan_none(s, d, ym, yl, FALSE); break;
case LeadingHankaku:
d = getkan_ascii(s, d, ym, yl, FALSE); break;
case KanjiAssyuku:
d = getkan_knj(s, d, ym, yl, FALSE); break;
default:
d = getkan_norm(s, d, ym, yl, FALSE);
}
s += codesize(*s);
}
return d;
}
Int getkanji(ym, yl, ptr, buf)
Uchar *ym;
Int yl;
Uchar *ptr;
Uchar *buf;
{
Uchar *q;
q = code2kanji(ptr, buf, ym, yl, TRUE);
return q - buf;
}