/// <summary>Gets the atomized string containing the same characters as the specified range of characters in the given array.</summary>
/// <returns>The atomized string or null if the string has not already been atomized. If <paramref name="len" /> is zero, String.Empty is returned.</returns>
/// <param name="key">The character array containing the name to find. </param>
/// <param name="start">The zero-based index into the array specifying the first character of the name. </param>
/// <param name="len">The number of characters in the name. </param>
/// <exception cref="T:System.IndexOutOfRangeException">0 > <paramref name="start" />-or- <paramref name="start" /> >= <paramref name="key" />.Length -or- <paramref name="len" /> >= <paramref name="key" />.Length The above conditions do not cause an exception to be thrown if <paramref name="len" /> =0. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="len" /> < 0. </exception>
public override string Get(char[] key, int start, int len)
{
if ((0 > start && start >= key.Length) || (0 > len && len >= key.Length - len))
{
throw new IndexOutOfRangeException("The Index is out of range.");
}
if (len == 0)
{
return(string.Empty);
}
int num = 0;
int num2 = start + len;
for (int i = start; i < num2; i++)
{
num = (num << 5) - num + (int)key[i];
}
num &= int.MaxValue;
for (NameTable.Entry entry = this.buckets[num % this.count]; entry != null; entry = entry.next)
{
if (entry.hash == num && entry.len == len && NameTable.StrEqArray(entry.str, key, start))
{
return(entry.str);
}
}
return(null);
}
