public override int Advance(int target)
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(target > doc);
}
while (true)
{
if (current != null)
{
int doc;
if (target < currentBase)
{
// target was in the previous slice but there was no matching doc after it
doc = current.NextDoc();
}
else
{
doc = current.Advance(target - currentBase);
}
if (doc == NO_MORE_DOCS)
{
current = null;
}
else
{
return(this.doc = doc + currentBase);
}
}
else if (upto == numSubs - 1)
{
return(this.doc = NO_MORE_DOCS);
}
else
{
upto++;
current = subs[upto].DocsEnum;
currentBase = subs[upto].Slice.Start;
}
}
}
public override int Advance(int target)
{
return(m_input.Advance(target));
}
