/// <exception cref="System.IO.IOException"></exception>
private Ref ReadRef(string name, RefList <Ref> packed)
{
RefList <RefDirectory.LooseRef> curList = looseRefs.Get();
int idx = curList.Find(name);
if (0 <= idx)
{
RefDirectory.LooseRef o = curList.Get(idx);
RefDirectory.LooseRef n = ScanRef(o, name);
if (n == null)
{
if (looseRefs.CompareAndSet(curList, curList.Remove(idx)))
{
modCnt.IncrementAndGet();
}
return(packed.Get(name));
}
if (o == n)
{
return(n);
}
if (looseRefs.CompareAndSet(curList, curList.Set(idx, n)))
{
modCnt.IncrementAndGet();
}
return(n);
}
RefDirectory.LooseRef n_1 = ScanRef(null, name);
if (n_1 == null)
{
return(packed.Get(name));
}
// check whether the found new ref is the an additional ref. These refs
// should not go into looseRefs
for (int i = 0; i < additionalRefsNames.Length; i++)
{
if (name.Equals(additionalRefsNames[i]))
{
return(n_1);
}
}
if (looseRefs.CompareAndSet(curList, curList.Add(idx, n_1)))
{
modCnt.IncrementAndGet();
}
return(n_1);
}