public override string Add(char[] array, int offset, int length)
{
if (length == 0)
{
return("");
}
int num1 = length;
int num2 = num1 + (num1 << 7 ^ (int)array[offset]);
int num3 = offset + length;
for (int index = offset + 1; index < num3; ++index)
{
num2 += num2 << 7 ^ (int)array[index];
}
int num4 = num2 - (num2 >> 17);
int num5 = num4 - (num4 >> 11);
int hashCode = num5 - (num5 >> 5);
for (NameTable.Entry entry = this.entries[hashCode & this.mask]; entry != null; entry = entry.next)
{
if (entry.hashCode == hashCode && NameTable.TextEquals(entry.str, array, offset))
{
return(entry.str);
}
}
return(this.AddEntry(new string(array, offset, length), hashCode));
}