void
xfidindexread(Xfid *x)
{
Fcall fc;
int i, j, m, n, nmax, isbuf, cnt, off;
Window *w;
char *b;
Rune *r;
Column *c;
qlock(&row.lk);
nmax = 0;
for(j=0; j<row.ncol; j++){
c = row.col[j];
for(i=0; i<c->nw; i++){
w = c->w[i];
nmax += Ctlsize + w->tag.file->b.nc*UTFmax + 1;
}
}
nmax++;
isbuf = (nmax<=RBUFSIZE);
if(isbuf)
b = (char*)x->buf;
else
b = emalloc(nmax);
r = fbufalloc();
n = 0;
for(j=0; j<row.ncol; j++){
c = row.col[j];
for(i=0; i<c->nw; i++){
w = c->w[i];
/* only show the currently active window of a set */
if(w->body.file->curtext != &w->body)
continue;
winctlprint(w, b+n, 0);
n += Ctlsize;
m = min(RBUFSIZE, w->tag.file->b.nc);
bufread(&w->tag.file->b, 0, r, m);
m = n + snprint(b+n, nmax-n-1, "%.*S", m, r);
while(n<m && b[n]!='\n')
n++;
b[n++] = '\n';
}
}
qunlock(&row.lk);
off = x->fcall.offset;
cnt = x->fcall.count;
if(off > n)
off = n;
if(off+cnt > n)
cnt = n-off;
fc.count = cnt;
memmove(r, b+off, cnt);
fc.data = (char*)r;
if(!isbuf)
free(b);
respond(x, &fc, nil);
fbuffree(r);
}
void
xfidread(Xfid *x)
{
Fcall fc;
int n, q;
uint off;
char *b;
char buf[256];
Window *w;
q = FILE(x->f->qid);
w = x->f->w;
if(w == nil){
fc.count = 0;
switch(q){
case Qcons:
case Qlabel:
break;
case Qindex:
xfidindexread(x);
return;
default:
warning(nil, "unknown qid %d\n", q);
break;
}
respond(x, &fc, nil);
return;
}
winlock(w, 'F');
if(w->col == nil){
winunlock(w);
respond(x, &fc, Edel);
return;
}
off = x->fcall.offset;
switch(q){
case QWaddr:
textcommit(&w->body, TRUE);
clampaddr(w);
sprint(buf, "%11d %11d ", w->addr.q0, w->addr.q1);
goto Readbuf;
case QWbody:
xfidutfread(x, &w->body, w->body.file->b.nc, QWbody);
break;
case QWctl:
b = winctlprint(w, buf, 1);
goto Readb;
Readbuf:
b = buf;
Readb:
n = strlen(b);
if(off > n)
off = n;
if(off+x->fcall.count > n)
x->fcall.count = n-off;
fc.count = x->fcall.count;
fc.data = b+off;
respond(x, &fc, nil);
if(b != buf)
free(b);
break;
case QWevent:
xfideventread(x, w);
break;
case QWdata:
/* BUG: what should happen if q1 > q0? */
if(w->addr.q0 > w->body.file->b.nc){
respond(x, &fc, Eaddr);
break;
}
w->addr.q0 += xfidruneread(x, &w->body, w->addr.q0, w->body.file->b.nc);
w->addr.q1 = w->addr.q0;
break;
case QWxdata:
/* BUG: what should happen if q1 > q0? */
if(w->addr.q0 > w->body.file->b.nc){
respond(x, &fc, Eaddr);
break;
}
w->addr.q0 += xfidruneread(x, &w->body, w->addr.q0, w->addr.q1);
break;
case QWtag:
xfidutfread(x, &w->tag, w->tag.file->b.nc, QWtag);
break;
case QWrdsel:
seek(w->rdselfd, off, 0);
n = x->fcall.count;
if(n > BUFSIZE)
n = BUFSIZE;
b = fbufalloc();
n = read(w->rdselfd, b, n);
if(n < 0){
respond(x, &fc, "I/O error in temp file");
break;
}
fc.count = n;
fc.data = b;
respond(x, &fc, nil);
fbuffree(b);
break;
default:
sprint(buf, "unknown qid %d in read", q);
respond(x, &fc, nil);
}
winunlock(w);
}
void
rowdump(Row *row, char *file)
{
int i, j, fd, m, n, dumped;
uint q0, q1;
Biobuf *b;
char *buf, *a, *fontname;
Rune *r;
Column *c;
Window *w, *w1;
Text *t;
if(row->ncol == 0)
return;
buf = fbufalloc();
if(file == nil){
if(home == nil){
warning(nil, "can't find file for dump: $home not defined\n");
goto Rescue;
}
sprint(buf, "%s/acme.dump", home);
file = buf;
}
fd = create(file, OWRITE, 0600);
if(fd < 0){
warning(nil, "can't open %s: %r\n", file);
goto Rescue;
}
b = emalloc(sizeof(Biobuf));
Binit(b, fd, OWRITE);
r = fbufalloc();
Bprint(b, "%s\n", wdir);
Bprint(b, "%s\n", fontnames[0]);
Bprint(b, "%s\n", fontnames[1]);
for(i=0; i<row->ncol; i++){
c = row->col[i];
Bprint(b, "%11d", 100*(c->r.min.x-row->r.min.x)/Dx(row->r));
if(i == row->ncol-1)
Bputc(b, '\n');
else
Bputc(b, ' ');
}
for(i=0; i<row->ncol; i++){
c = row->col[i];
for(j=0; j<c->nw; j++)
c->w[j]->body.file->dumpid = 0;
}
for(i=0; i<row->ncol; i++){
c = row->col[i];
for(j=0; j<c->nw; j++){
w = c->w[j];
wincommit(w, &w->tag);
t = &w->body;
/* windows owned by others get special treatment */
if(w->nopen[QWevent] > 0)
if(w->dumpstr == nil)
continue;
/* zeroxes of external windows are tossed */
if(t->file->ntext > 1)
for(n=0; n<t->file->ntext; n++){
w1 = t->file->text[n]->w;
if(w == w1)
continue;
if(w1->nopen[QWevent])
goto Continue2;
}
fontname = "";
if(t->reffont->f != font)
fontname = t->reffont->f->name;
if(t->file->nname)
a = runetobyte(t->file->name, t->file->nname);
else
a = emalloc(1);
if(t->file->dumpid){
dumped = FALSE;
Bprint(b, "x%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else if(w->dumpstr){
dumped = FALSE;
Bprint(b, "e%11d %11d %11d %11d %11d %s\n", i, t->file->dumpid,
0, 0,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else if((w->dirty==FALSE && access(a, 0)==0) || w->isdir){
dumped = FALSE;
t->file->dumpid = w->id;
Bprint(b, "f%11d %11d %11d %11d %11d %s\n", i, w->id,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
fontname);
}else{
dumped = TRUE;
t->file->dumpid = w->id;
Bprint(b, "F%11d %11d %11d %11d %11d %11d %s\n", i, j,
w->body.q0, w->body.q1,
100*(w->r.min.y-c->r.min.y)/Dy(c->r),
w->body.file->nc, fontname);
}
free(a);
winctlprint(w, buf, 0);
Bwrite(b, buf, strlen(buf));
m = min(RBUFSIZE, w->tag.file->nc);
bufread(w->tag.file, 0, r, m);
n = 0;
while(n<m && r[n]!='\n')
n++;
r[n++] = '\n';
Bprint(b, "%.*S", n, r);
if(dumped){
q0 = 0;
q1 = t->file->nc;
while(q0 < q1){
n = q1 - q0;
if(n > BUFSIZE/UTFmax)
n = BUFSIZE/UTFmax;
bufread(t->file, q0, r, n);
Bprint(b, "%.*S", n, r);
q0 += n;
}
}
if(w->dumpstr){
if(w->dumpdir)
Bprint(b, "%s\n%s\n", w->dumpdir, w->dumpstr);
else
Bprint(b, "\n%s\n", w->dumpstr);
}
Continue2:;
}
}
Bterm(b);
close(fd);
free(b);
fbuffree(r);
Rescue:
fbuffree(buf);
}