void load_yank(FILE *f)
{
UNDOREC *rec;
unsigned char buf[SMALL*4+80];
unsigned char bf[SMALL+1];
while(fgets((char *)buf,sizeof(buf)-1,f) && strcmp(buf,"done\n")) {
unsigned char *p = buf;
int len;
parse_ws(&p,'#');
len = parse_string(&p,bf,sizeof(bf));
if (len>0 && len<=SMALL) {
if (++nyanked == MAX_YANK) {
frrec(deque_f(UNDOREC, link, yanked.link.next));
--nyanked;
}
rec = alrec();
rec->small = (unsigned char *) joe_malloc(len);
memcpy(rec->small,bf,len);
rec->where = -1;
rec->len = len;
rec->del = 1;
enqueb(UNDOREC, link, &yanked, rec);
}
}
}
static int parseit(struct charmap *map,unsigned char *s, long int row,
void (*parseone)(struct charmap *map, unsigned char *s, unsigned char **rtn_name, long *rtn_line))
{
unsigned char *name = NULL; /* VS */
long line = -1;
ERROR *err;
parseone(map,s,&name,&line);
if (name) {
if (line != -1) {
/* We have an error */
err = (ERROR *) alitem(&errnodes, sizeof(ERROR));
err->file = name;
err->org = err->line = line;
err->src = row;
err->msg = vsncpy(NULL, 0, sc("\\i"));
err->msg = vsncpy(sv(err->msg), sv(s));
enqueb(ERROR, link, &errors, err);
return 1;
} else
vsrm(name);
}
return 0;
}
void undoins(UNDO *undo, P *p, long size)
{
UNDOREC *rec;
if (inredo)
return;
if (!inundo)
if (undo->ptr && undo->ptr != &undo->recs)
undoover(undo);
rec = undo->recs.link.prev;
if (rec != &undo->recs && rec->min && !rec->del && (p->byte == rec->where + rec->len || p->byte == rec->where))
rec->len += size;
else {
rec = alrec();
rec->del = 0;
if (!undo->first)
undo->first = rec;
undo->last = rec;
rec->where = p->byte;
rec->min = 1;
rec->unit = NULL;
rec->len = size;
rec->changed = undo->b->changed;
enqueb(UNDOREC, link, &undo->recs, rec);
}
}
static void markpos(W *w, P *p)
{
POS *newpos = (POS *)alitem(&frpos, SIZEOF(POS));
newpos->p = NULL;
pdupown(p, &newpos->p, "markpos");
poffline(newpos->p);
newpos->w = w;
enqueb(POS, link, &pos, newpos);
if (npos == 20) {
newpos = pos.link.next;
prm(newpos->p);
demote(POS, link, &frpos, newpos);
} else {
++npos;
}
}
int uyankpop(BW *bw)
{
if (bw->b == yankbuf && bw->cursor->byte == yankwhere) {
P *q;
UNDOREC *ptr = yanked.link.prev;
deque(UNDOREC, link, &yanked);
enqueb(UNDOREC, link, ptr, &yanked);
q = pdup(bw->cursor, "uyankpop");
pbkwd(q, ptr->len);
inyank = 1;
bdel(q, bw->cursor);
inyank = 0;
prm(q);
return uyank(bw);
} else
return uyank(bw);
}
static void iappend(BW *bw, struct isrch *isrch, char *s, ptrdiff_t len)
{ /* Append text and search */
/* Append char and search */
IREC *i = alirec();
SRCH *srch;
i->what = len;
i->disp = bw->cursor->byte;
isrch->pattern = vsncpy(sv(isrch->pattern), s, len);
if (!qempty(IREC, link, &isrch->irecs)) {
pgoto(bw->cursor, isrch->irecs.link.prev->start);
if (globalsrch)
globalsrch->wrap_flag = isrch->irecs.link.prev->wrap_flag;
}
i->start = bw->cursor->byte;
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, "iappend");
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);
}
enqueb(IREC, link, &isrch->irecs, i);
}
/* 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;
}
}
void undodel(UNDO *undo, long where, B *b)
{
UNDOREC *rec;
long size = b->eof->byte;
if (inredo) {
brm(b);
return;
}
if (!inundo)
if (undo->ptr && undo->ptr != &undo->recs)
undoover(undo);
yankdel(where, b);
/* Store in undo buffer */
rec = undo->recs.link.prev;
if (rec != &undo->recs && rec->min && rec->del && where == rec->where) {
if (rec->len + size >= SMALL) {
if (rec->len < SMALL) {
rec->big = bmk(NULL);
binsm(rec->big->bof, rec->small, (int) rec->len);
boffline(rec->big);
free(rec->small);
}
bonline(rec->big);
binsb(rec->big->eof, b);
boffline(rec->big);
} else {
rec->small = (unsigned char *) joe_realloc(rec->small, rec->len + size);
brmem(b->bof, rec->small + rec->len, (int) size);
brm(b);
}
rec->len += size;
} else if (rec != &undo->recs && rec->min && rec->del && where + size == rec->where) {
if (rec->len + size >= SMALL) {
if (rec->len < SMALL) {
rec->big = bmk(NULL);
binsm(rec->big->bof, rec->small, (int) rec->len);
boffline(rec->big);
free(rec->small);
}
bonline(rec->big);
binsb(rec->big->bof, b);
boffline(rec->big);
} else {
rec->small = (unsigned char *) joe_realloc(rec->small, rec->len + size);
memmove(rec->small + size, rec->small, (int) rec->len);
brmem(b->bof, rec->small, (int) size);
brm(b);
}
rec->len += size;
rec->where = where;
} else {
rec = alrec();
if (size < SMALL) {
rec->small = (unsigned char *) joe_malloc(size);
brmem(b->bof, rec->small, (int) b->eof->byte);
brm(b);
} else {
rec->big = b;
boffline(b);
}
if (!undo->first)
undo->first = rec;
undo->last = rec;
rec->where = where;
rec->min = 1;
rec->unit = NULL;
rec->len = size;
rec->del = 1;
rec->changed = undo->b->changed;
enqueb(UNDOREC, link, &undo->recs, rec);
}
}
static void yankdel(long where, B *b)
{
UNDOREC *rec;
long size = b->eof->byte;
/* Store in yank buffer */
rec = yanked.link.prev;
if (!inyank) {
if (rec != &yanked && where == rec->where && justkilled) {
if (rec->len + size >= SMALL) {
if (rec->len < SMALL) {
rec->big = bmk(NULL);
binsm(rec->big->bof, rec->small, (int) rec->len);
boffline(rec->big);
free(rec->small);
}
bonline(rec->big);
binsb(rec->big->eof, bcpy(b->bof, b->eof));
boffline(rec->big);
} else {
rec->small = (unsigned char *) joe_realloc(rec->small, rec->len + size);
brmem(b->bof, rec->small + rec->len, (int) size);
}
rec->len += size;
} else if (rec != &yanked && where + size == rec->where && justkilled) {
if (rec->len + size >= SMALL) {
if (rec->len < SMALL) {
rec->big = bmk(NULL);
binsm(rec->big->bof, rec->small, (int) rec->len);
boffline(rec->big);
free(rec->small);
}
bonline(rec->big);
binsb(rec->big->bof, bcpy(b->bof, b->eof));
boffline(rec->big);
} else {
rec->small = (unsigned char *) joe_realloc(rec->small, rec->len + size);
memmove(rec->small + size, rec->small, (int) rec->len);
brmem(b->bof, rec->small, (int) size);
}
rec->len += size;
rec->where = where;
} else {
if (++nyanked == MAX_YANK) {
frrec(deque_f(UNDOREC, link, yanked.link.next));
--nyanked;
}
rec = alrec();
if (size < SMALL) {
rec->small = (unsigned char *) joe_malloc(size);
brmem(b->bof, rec->small, (int) b->eof->byte);
} else {
rec->big = bcpy(b->bof, b->eof);
boffline(rec->big);
}
rec->where = where;
rec->len = size;
rec->del = 1;
enqueb(UNDOREC, link, &yanked, rec);
}
}
}
