sj4/lib/sj4core/init.c
2026-07-02 13:31:52 +09:00

144 lines
3.2 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 "sj_kcnv.h"
#include "sj_kanakan.h"
void seg_count(SJ4_CONTEXT DICT* dict) {
u_char* p;
u_char* q;
TypeDicSeg segcnt = 0;
if(dict->getidx) {
(*dict->getidx)(SJ4_CONTEXT_PASS dict);
p = idxbuf;
q = p + dict->idxlen;
while(p < q && *p) {
segcnt++;
while(*p++);
}
}
dict->segunit = (segcnt == 0) ? 1 : segcnt;
}
void mkidxtbl(SJ4_CONTEXT DICT* dict) {
u_char* p;
TypeDicSeg seg;
if(!dict->getidx || !dict->getofs) return;
seg = 0;
(*dict->getidx)(SJ4_CONTEXT_PASS dict);
(*dict->getofs)(SJ4_CONTEXT_PASS dict);
idxofs[0] = 0;
for(p = idxbuf; p < idxbuf + dict->idxlen && seg < dict->segunit;) {
idxofs[seg++] = p - idxbuf;
while(*p++);
}
}
void initwork(SJ4_CONTEXT2) {
jrt1st = jrt2nd = maxjptr = (JREC*)0;
clt1st = clt2nd = maxclptr = (CLREC*)0;
}
#ifndef SJ4_GLOBAL
Sj4Context* alloccontext(const char* dic) {
Sj4Context* ctx = calloc(1, sizeof(*ctx));
DictFile* dict;
DICTL* node;
if((ctx->work = calloc(1, sizeof(*ctx->work))) == NULL) {
free(ctx);
return NULL;
}
if((ctx->stdy = calloc(1, sizeof(*ctx->stdy))) == NULL) {
free(ctx->work);
free(ctx);
return NULL;
}
if((node = calloc(1, sizeof(*node))) == NULL) {
free(ctx->stdy);
free(ctx->work);
free(ctx);
return NULL;
}
ctx->work->Jdictlist = node;
initwork(ctx);
dict = opendict(ctx, (char*)dic, "");
if(dict == NULL) {
free_context(ctx);
return NULL;
}
node->dict = &dict->dict;
node->next = NULL;
seldict(ctx, dict->dict.dicid);
return ctx;
}
void free_context(Sj4Context* ctx) {
DICTL* node;
node = ctx->work->Jdictlist;
while(node != NULL) {
DICTL* next = node->next;
if(node->dict != NULL) closedict(ctx, (DictFile*)node->dict);
free(node);
node = next;
}
freework(ctx);
if(ctx->jrec_pool != NULL) free(ctx->jrec_pool);
if(ctx->clrec_pool != NULL) free(ctx->clrec_pool);
free(ctx->stdy);
free(ctx->work);
free(ctx);
}
#endif