internal static int StringHashCode(CharBlockArray labelRepository, int offset)
{
int hash = CategoryPathUtils.HashCodeOfSerialized(labelRepository, offset);
hash = hash ^ (((int)((uint)hash >> 20)) ^ ((int)((uint)hash >> 12)));
hash = hash ^ ((int)((uint)hash >> 7)) ^ ((int)((uint)hash >> 4));
return(hash);
}
internal static int StringHashCode(CharBlockArray labelRepository, int offset)
{
int hash = CategoryPathUtils.HashCodeOfSerialized(labelRepository, offset);
hash = hash ^ hash.TripleShift(20) ^ hash.TripleShift(12);
hash = hash ^ hash.TripleShift(7) ^ hash.TripleShift(4);
return(hash);
}
internal static int StringHashCode(CharBlockArray labelRepository, int offset)
{
int hash = CategoryPathUtils.HashCodeOfSerialized(labelRepository, offset);
#pragma warning disable IDE0054 // Use compound assignment
hash = hash ^ (((int)((uint)hash >> 20)) ^ ((int)((uint)hash >> 12)));
hash = hash ^ ((int)((uint)hash >> 7)) ^ ((int)((uint)hash >> 4));
#pragma warning restore IDE0054 // Use compound assignment
return(hash);
}
private void Init()
{
labelRepository = new CharBlockArray();
CategoryPathUtils.Serialize(new FacetLabel(), labelRepository);
int c = this.capacity;
for (int i = 0; i < this.hashArrays.Length; i++)
{
this.hashArrays[i] = new HashArray(c);
c /= 2;
}
}
private bool AddLabel(HashArray a, FacetLabel label, int hash, int ordinal)
{
int index = CompactLabelToOrdinal.IndexFor(hash, a.offsets.Length);
int offset = a.offsets[index];
if (offset == 0)
{
a.offsets[index] = this.labelRepository.Length;
CategoryPathUtils.Serialize(label, labelRepository);
a.cids[index] = ordinal;
return(true);
}
return(false);
}
/// <summary>
/// Return the mapping, or {@link
/// LabelToOrdinal#INVALID_ORDINAL} if the label isn't
/// recognized.
/// </summary>
public virtual int Get(FacetLabel label, int hash)
{
int bucketIndex = IndexFor(hash, this.capacity_Renamed);
Entry e = this.entries[bucketIndex];
while (e != null && !(hash == e.hash && CategoryPathUtils.EqualsToSerialized(label, labelRepository, e.offset)))
{
e = e.next;
}
if (e == null)
{
return(LabelToOrdinal.INVALID_ORDINAL);
}
return(e.cid);
}
/// <summary>
/// Add another mapping.
/// </summary>
public virtual int AddLabel(FacetLabel label, int hash, int cid)
{
int bucketIndex = IndexFor(hash, this.capacity_Renamed);
for (Entry e = this.entries[bucketIndex]; e != null; e = e.next)
{
if (e.hash == hash && CategoryPathUtils.EqualsToSerialized(label, labelRepository, e.offset))
{
return(e.cid);
}
}
// new string; add to label repository
int offset = labelRepository.Length;
CategoryPathUtils.Serialize(label, labelRepository);
AddEntry(offset, cid, hash, bucketIndex);
return(cid);
}
private int GetOrdinal(HashArray a, FacetLabel label, int hash)
{
if (label == null)
{
return(LabelToOrdinal.INVALID_ORDINAL);
}
int index = IndexFor(hash, a.offsets.Length);
int offset = a.offsets[index];
if (offset == 0)
{
return(LabelToOrdinal.INVALID_ORDINAL);
}
if (CategoryPathUtils.EqualsToSerialized(label, labelRepository, offset))
{
return(a.cids[index]);
}
return(COLLISION);
}