int isalpha_(int wide,struct charmap *map,int c)
{
/* Fast... */
if (c>='a' && c<='z' ||
c>='A' && c<='Z' ||
c=='_')
return 1;
else if(c<128)
return 0;
/* Slow... */
if (wide)
return joe_iswalpha(c);
else
return joe_iswalpha(to_uni(map,c));
}
/* When called with c==-1, it just creates the prompt */
static int itype(W *w, int c, void *obj, int *notify)
{
IREC *i;
int omid;
BW *bw;
struct isrch *isrch = (struct isrch *)obj;
WIND_BW(bw,w);
if (isrch->quote) {
goto in;
}
if (c == 8 || c == 127) { /* Backup */
if ((i = isrch->irecs.link.prev) != &isrch->irecs) {
pgoto(bw->cursor, i->disp);
if (globalsrch)
globalsrch->wrap_flag = i->wrap_flag;
omid = opt_mid;
opt_mid = 1;
dofollows();
opt_mid = omid;
isrch->pattern = vstrunc(isrch->pattern, sLEN(isrch->pattern) - i->what);
frirec(deque_f(IREC, link, i));
} else {
if(joe_beep)
ttputc(7);
}
} else if (c == 'Q' - '@' /* || c == '`' */) {
isrch->quote = 1;
} else if (c == 'S' - '@' || c == '\\' - '@' || c == 'L' - '@' || c == 'R' - '@') {
/* Repeat */
if (c == 'R' - '@') {
isrch->dir = 1;
} else {
isrch->dir = 0;
}
if (qempty(IREC, link, &isrch->irecs)) {
if (lastpat && lastpat[0]) {
iappend(bw, isrch, sv(lastpat));
}
} else {
SRCH *srch;
i = alirec();
i->disp = i->start = bw->cursor->byte;
i->what = 0;
if (!globalsrch)
srch = mksrch(NULL,NULL,opt_icase,isrch->dir,-1,0,0,0,0);
else {
srch = globalsrch;
globalsrch = 0;
}
srch->addr = bw->cursor->byte;
if (!srch->wrap_p || srch->wrap_p->b!=bw->b) {
prm(srch->wrap_p);
srch->wrap_p = pdup(bw->cursor, "itype");
srch->wrap_p->owner = &srch->wrap_p;
srch->wrap_flag = 0;
}
i->wrap_flag = srch->wrap_flag;
setpat(srch, vsncpy(NULL, 0, isrch->pattern, sLen(isrch->pattern)));
srch->backwards = isrch->dir;
if (dopfnext(bw, srch, NULL)) {
if(joe_beep)
ttputc(7);
frirec(i);
} else {
enqueb(IREC, link, &isrch->irecs, i);
}
}
} else if (c >= 0 && c < 32) {
/* Done when a control character is received */
nungetc(c);
if (notify) {
*notify = 1;
}
smode = 2;
if (lastisrch) {
lastpat = vstrunc(lastpat, 0);
lastpat = vsncpy(lastpat, 0, lastisrch->pattern, sLen(lastisrch->pattern));
rmisrch(lastisrch);
}
lastisrch = isrch;
return 0;
} else if (c != -1) {
char buf[16];
ptrdiff_t buf_len;
/* Search */
in:
if (bw->b->o.charmap->type) {
buf_len = utf8_encode(buf, c);
} else {
buf[0] = TO_CHAR_OK(from_uni(bw->b->o.charmap, c));
buf_len = 1;
}
isrch->quote = 0;
iappend(bw, isrch, buf, buf_len);
}
omid = opt_mid;
opt_mid = 1;
bw->cursor->xcol = piscol(bw->cursor);
dofollows();
opt_mid = omid;
isrch->prompt = vstrunc(isrch->prompt, isrch->ofst);
if (locale_map->type && !bw->b->o.charmap->type) {
/* Translate bytes to utf-8 */
char buf[16];
int x;
for (x=0; x!=sLEN(isrch->pattern); ++x) {
int tc = to_uni(bw->b->o.charmap, isrch->pattern[x]);
utf8_encode(buf, tc);
isrch->prompt = vsncpy(sv(isrch->prompt),sz(buf));
}
} else if (!locale_map->type && bw->b->o.charmap->type) {
/* Translate utf-8 to bytes */
const char *p = isrch->pattern;
ptrdiff_t len = sLEN(isrch->pattern);
while (len) {
int tc = utf8_decode_fwrd(&p, &len);
if (tc >= 0) {
tc = from_uni(locale_map, tc);
isrch->prompt = vsadd(isrch->prompt, TO_CHAR_OK(tc));
}
}
} else {
/* FIXME: translate when charmaps do not match */
isrch->prompt = vsncpy(sv(isrch->prompt),sv(isrch->pattern));
}
if (mkqwnsr(bw->parent, sv(isrch->prompt), itype, iabrt, isrch, notify)) {
return 0;
} else {
rmisrch(isrch);
return -1;
}
}
