/// <summary>
///
/// </summary>
/// <param name="h"></param>
/// <param name="temp"></param>
/// <returns></returns>
public int GetIndex(int h, NativeStringView temp)
{
Assert.IsTrue(temp.Length <= kMaxCharsPerEntry); // about one printed page of text
int itemIndex;
NativeMultiHashMapIterator <int> iter;
if (hash.TryGetFirstValue(h, out itemIndex, out iter))
{
var l = length[itemIndex];
Assert.IsTrue(l <= kMaxCharsPerEntry);
if (l == temp.Length)
{
var o = offset[itemIndex];
int matches;
for (matches = 0; matches < l; ++matches)
{
if (temp[matches] != buffer[o + matches])
{
break;
}
}
if (matches == temp.Length)
{
return(itemIndex);
}
}
}
while (hash.TryGetNextValue(out itemIndex, ref iter))
{
;
}
return(-1);
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public int GetOrCreateIndex(NativeStringView value)
{
int h = value.GetHashCode();
var itemIndex = GetIndex(h, value);
if (itemIndex != -1)
{
return(itemIndex);
}
Assert.IsTrue(entries < kMaxEntries);
Assert.IsTrue(chars + value.Length <= kMaxChars);
var o = chars;
var l = (ushort)value.Length;
for (var i = 0; i < l; ++i)
{
buffer[chars++] = value[i];
}
offset[entries] = o;
length[entries] = l;
hash.Add(h, entries);
return(entries++);
}
/// <summary>
///
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public bool Contains(NativeStringView value)
{
int h = value.GetHashCode();
return(GetIndex(h, value) != -1);
}