sj3/hindo.c

519 lines
9.5 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include "sj_struct.h"
#include "dicttool.h"
extern HindoRec* hindo[];
extern int hindo_num;
extern AsshukuRec* asshuku;
extern HindoRec* askknj[];
extern int askknj_num;
extern int kanji_num;
int check_hindo(unsigned char* ptr, int len) {
int low, high, mid;
int i;
if(hindo_num <= 0) return 0;
low = 0;
high = hindo_num - 1;
while(low <= high) {
mid = (low + high) / 2;
i = string_cmp(hindo[mid]->kptr, hindo[mid]->klen, ptr, len);
if(i > 0)
high = mid - 1;
else if(i < 0)
low = ++mid;
else
return (hindo[mid]->exist + hindo[mid]->hindo);
}
return 0;
}
static AsshukuRec*
makeasshuku(int num) {
AsshukuRec* arec;
arec = (AsshukuRec*)Malloc(sizeof(AsshukuRec));
if(!arec) {
fprintf(stderr, "\245\341\245\342\245\352\244\254\302\255\244\352\244\336\244\273\244\363\n");
exit(1);
}
arec->len = num;
arec->nrec = NULL;
arec->anext = NULL;
return arec;
}
static int
asshuku_len(HindoRec* hrec) {
int org;
int old;
int new;
OffsetRec* p;
if(((*(hrec->kptr) & KanjiModeMask) == OffsetAsshuku) &&
(hrec->klen == 2)) {
p = real_ofsrec(hrec->kptr);
org = check_hindo(p->kptr, p->klen);
old = p->klen * org + 2 * (hrec->exist + hrec->hindo);
new = p->klen + (hrec->exist + hrec->hindo + org);
}
else {
old = hrec->klen * (hrec->exist + hrec->hindo);
new = hrec->klen + (hrec->exist + hrec->hindo);
}
return (old - new);
}
static void
set_asshuku(HindoRec* hrec) {
AsshukuRec* arec;
AsshukuRec* aprev;
int len;
len = asshuku_len(hrec);
if(len <= 0) return;
arec = asshuku;
aprev = NULL;
while(arec) {
if(arec->len == len) {
hrec->arec = arec;
hrec->anext = arec->nrec;
arec->nrec = hrec;
return;
}
else if(arec->len < len)
break;
aprev = arec;
arec = arec->anext;
}
arec = makeasshuku(len);
hrec->anext = NULL;
hrec->arec = arec;
arec->nrec = hrec;
if(aprev) {
arec->anext = aprev->anext;
aprev->anext = arec;
} else {
arec->anext = asshuku;
asshuku = arec;
}
}
static void
reset_asshuku(HindoRec* hrec) {
AsshukuRec* arec;
AsshukuRec* aptr;
AsshukuRec* aprev;
HindoRec* hptr;
HindoRec* hprev;
arec = hrec->arec;
if(!arec) return;
hrec->arec = NULL;
hptr = arec->nrec;
hprev = NULL;
while(hptr) {
if(hptr == hrec) break;
hprev = hptr;
hptr = hptr->anext;
}
if(!hptr) return;
if(hprev) {
hprev->anext = hrec->anext;
hrec->anext = NULL;
return;
}
if(hrec->anext) {
arec->nrec = hrec->anext;
hrec->anext = NULL;
return;
}
if(!asshuku) return;
aptr = asshuku;
aprev = NULL;
while(aptr) {
if(aptr == arec) break;
aprev = aptr;
aptr = aptr->anext;
}
if(!aptr) return;
if(aprev)
aprev->anext = arec->anext;
else
asshuku = arec->anext;
Free(arec);
hrec->anext = NULL;
}
static HindoRec*
makehindo(unsigned char* ptr, int len, int alen) {
HindoRec* hrec;
unsigned char* p;
hrec = (HindoRec*)Malloc(sizeof(HindoRec));
if(!hrec) {
fprintf(stderr, "\245\341\245\342\245\352\244\254\302\255\244\352\244\336\244\273\244\363\n");
exit(1);
}
p = (unsigned char*)Malloc(len);
if(!p) {
fprintf(stderr, "\245\341\245\342\245\352\244\254\302\255\244\352\244\336\244\273\244\363\n");
exit(1);
}
hrec->klen = len;
hrec->kptr = p;
if(len == alen && len > 2) {
hrec->hindo = 0;
hrec->exist = 1;
hrec->offset = ++kanji_num;
} else {
hrec->hindo = 1;
hrec->exist = 0;
hrec->offset = 0;
}
while(len-- > 0) *p++ = *ptr++;
hrec->anext = NULL;
hrec->arec = NULL;
return hrec;
}
static void
set_hindo(unsigned char* ptr, int len, int alen) {
HindoRec* hrec;
int low, high, mid;
int i;
if(hindo_num <= 0) {
hrec = makehindo(ptr, len, alen);
hindo[0] = hrec;
hindo_num = 1;
set_asshuku(hrec);
return;
}
low = 0;
high = hindo_num - 1;
while(low <= high) {
mid = (low + high) / 2;
i = string_cmp(hindo[mid]->kptr, hindo[mid]->klen, ptr, len);
if(i > 0)
high = mid - 1;
else if(i < 0)
low = ++mid;
else
break;
}
if(i) {
if(hindo_num >= MaxHindoNumber) {
fprintf(stderr, "\311\321\305\331\245\306\241\274\245\326\245\353\244\254\244\242\244\325\244\354\244\336\244\267\244\277\n");
exit(1);
}
hrec = makehindo(ptr, len, alen);
for(i = hindo_num; i > mid; i--) hindo[i] = hindo[i - 1];
hindo[mid] = hrec;
hindo_num++;
}
else {
hrec = hindo[mid];
reset_asshuku(hrec);
if(hrec->exist > 0)
hrec->exist += 1;
else if(len == alen && len > 2) {
hrec->exist = 1;
hrec->offset = ++kanji_num;
}
else
hrec->hindo += 1;
}
set_asshuku(hrec);
}
static void
reset_hindo(unsigned char* p, int l) {
HindoRec* hrec;
int low, high, mid;
int i;
if(hindo_num <= 0) return;
low = 0;
high = hindo_num - 1;
while(low <= high) {
mid = (low + high) / 2;
i = string_cmp(hindo[mid]->kptr, hindo[mid]->klen, p, l);
if(i > 0)
high = mid - 1;
else if(i < 0)
low = ++mid;
else {
hrec = hindo[mid];
reset_asshuku(hrec);
if(hrec->exist > 0)
hrec->exist -= 1;
else if(hrec->hindo > 0)
hrec->hindo -= 1;
if(hrec->exist + hrec->hindo == 0) {
while(++mid < hindo_num) {
hindo[mid - 1] = hindo[mid];
}
hindo_num--;
Free(hrec->kptr);
Free(hrec);
} else {
set_asshuku(hrec);
}
return;
break;
}
}
}
void knjhnd_set(unsigned char* p, int l) {
unsigned char* kp1;
unsigned char* kp2;
int i;
int kl1;
unsigned char tmp[MaxKanjiLength * 2 + MaxAtrNumber * 2 + 1];
for(kp1 = p, kl1 = l; kl1 > 0;) {
for(i = 0, kp2 = kp1; i < kl1;) {
if(codesize(*kp2) == 1) {
tmp[i++] = *kp2++;
} else if(codesize(*kp2) == 2) {
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
} else {
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
}
set_hindo(tmp, i, l);
}
kl1 -= codesize(*kp1);
kp1 += codesize(*kp1);
}
}
void knjhnd_reset(unsigned char* p, int l) {
unsigned char* kp1;
unsigned char* kp2;
int i;
int kl1;
unsigned char tmp[MaxKanjiLength * 2 + MaxAtrNumber * 2 + 1];
for(kp1 = p, kl1 = l; kl1 > 0;) {
for(i = 0, kp2 = kp1; i < kl1;) {
if(codesize(*kp2) == 1) {
tmp[i++] = *kp2++;
} else if(codesize(*kp2) == 2) {
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
} else {
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
tmp[i++] = *kp2++;
}
reset_hindo(tmp, i);
}
kl1 -= codesize(*kp1);
kp1 += codesize(*kp1);
}
}
static int
check_asshuku(HindoRec* p, HindoRec* q) {
unsigned char ptmp[128], qtmp[128];
int plen;
int qlen;
plen = make_knjstr(p->kptr, p->klen, ptmp);
qlen = make_knjstr(q->kptr, q->klen, qtmp);
if(bubun_str(ptmp, plen, qtmp, qlen)) {
return -1;
}
if(overlap_str(ptmp, plen, qtmp, qlen))
return -1;
return 0;
}
int decide_knjask(void) {
int i, j;
AsshukuRec* p;
HindoRec* q;
unsigned char* r;
int len = 0;
askknj_num = 0;
for(p = asshuku; p; p = p->anext) {
if(p->len <= 0) break;
for(q = p->nrec; q; q = q->anext) {
i = q->klen;
r = q->kptr;
if(i > 2) {
while(i > 0) {
if((*r & KanjiModeMask) == OffsetAsshuku) {
break;
}
j = codesize(*r);
i -= j;
r += j;
}
if(i) continue;
}
if(askknj_num) {
for(i = 0; i < askknj_num; i++) {
if(check_asshuku(askknj[i], q))
break;
}
if(i >= askknj_num) {
askknj[askknj_num++] = q;
len += p->len;
if(askknj_num >= MaxKnjAskNumber)
goto end;
}
} else {
askknj[askknj_num++] = q;
len += p->len;
}
}
}
end:
{
int i, j, len;
unsigned char* p;
for(i = 0; i < askknj_num; i++) {
len = askknj[i]->klen;
p = askknj[i]->kptr;
if(len <= 2) continue;
while(len > 0) {
if((*p & KanjiModeMask) == OffsetAsshuku) {
printf("\245\252\245\325\245\273\245\303\245\310\260\265\275\314\244\362\264\336\244\340 %d\n", i);
}
j = codesize(*p);
len -= j;
p += j;
}
}
}
return len;
}
void clear_hindo(void) {
int i;
for(i = 0; i < hindo_num; i++) {
Free(hindo[i]->kptr);
Free(hindo[i]);
}
hindo_num = 0;
kanji_num = 0;
}
void clear_asshuku(void) {
AsshukuRec* p;
while(asshuku) {
p = asshuku;
asshuku = asshuku->anext;
Free(p);
}
}