int
fh_ngram(FullHist* fh, int n, int l)
{
//cerr << "fhng " << n << " " << l << " "
// << fh->pos << " " << *fh->e << endl;
static int stopTermInt = -1;
if(stopTermInt < 0)
stopTermInt = Term::stopTerm->toInt();
int pos = fh->pos;
int hpos = fh->hpos; //???;
int m = pos + (n * l);
if(m < 0) return stopTermInt;
if(m > hpos && l > 0)
{
return stopTermInt;
}
assert(fh->cb);
LeftRightGotIter* lrgi = globalGi[fh->cb->thrdid];
assert(lrgi);
if(m >= lrgi->size()) return stopTermInt;
Item* got = lrgi->index(m);
assert(got);
int ans = got->term()->toInt();
return ans;
}
int
edge_ngram(FullHist* fh, int n, int l)
{
Edge* edge = fh->e;
static int stopTermInt = -1;
if(stopTermInt < 0)
stopTermInt = Term::stopTerm->toInt();
assert(fh->cb);
LeftRightGotIter* lrgi = globalGi[fh->cb->thrdid];
assert(lrgi);
int pos = fh->pos;
/* the left to right position we are working on is either the far left (0)
or the far right */
int hpos = edge->headPos();
int m = pos + (n * l);
//wcerr << "eng " << n << " " << l << " " << fh->pos
// << " " << m << " " << hpos << " " << *edge << endl;
if(m < 0) return stopTermInt;
if(m > hpos && l > 0)
{
return stopTermInt;
}
if(m >= lrgi->size()) return stopTermInt;
Item* got = lrgi->index(m);
assert(got);
int ans = got->term()->toInt();
return ans;
}
int
fh_noopenQr(FullHist* fh)
{
int pos = fh->pos;
assert(fh->cb);
LeftRightGotIter* lrgi = globalGi[fh->cb->thrdid];
Item* got;
int i;
bool sawOpen = false;
for(i = 0 ; i < lrgi->size() ; i++)
{
if(i == pos) break;
got = lrgi->index(i);
const Term* trm = got->term();
if(trm->isOpen()) sawOpen = true;
else if(trm->isClosed()) sawOpen = false;
}
if(sawOpen) return 0;
else return 1;
}
int
edge_noopenQl(FullHist* fh)
{
Edge* edge = fh->e;
int pos = fh->pos;
int hpos = edge->headPos();
LeftRightGotIter* lrgi = globalGi[fh->cb->thrdid];
Item* got;
int i;
bool sawOpen = false;
for(i = hpos ; i >= 0 ; i--)
{
if(i == pos) break;
//if(i <= (pos+3)) break; //??? +3 because we already know about next 3;
got = lrgi->index(i);
const Term* trm = got->term();
if(trm->isClosed()) sawOpen = true;
else if(trm->isOpen()) sawOpen = false;
}
if(sawOpen) return 0;
else return 1;
}
int
edge_noopenQr(FullHist* fh)
{
Edge* edge = fh->e;
int pos = fh->pos;
assert(fh->cb);
LeftRightGotIter* lrgi = globalGi[fh->cb->thrdid];
Item* got;
int i;
bool sawOpen = false;
for(i = 0 ; i < lrgi->size() ; i++)
{
if(i == pos) break;
//if(i >= pos-3) break; //??? -3 because we already know about last3;
got = lrgi->index(i);
const Term* trm = got->term();
if(trm->isOpen()) sawOpen = true;
else if(trm->isClosed()) sawOpen = false;
}
if(sawOpen) return 0;
else return 1;
}
