public override bool Contains(string s, out PeopleIKnowMetadata metadata)
{
this.tracer.TraceDebug((long)this.traceId, "BinarySearchableEmailAddressCollection.Contains: entering");
metadata = null;
if (this.Data == null)
{
this.tracer.TraceDebug((long)this.traceId, "this.Data is null; returning false");
return(false);
}
if (string.IsNullOrEmpty(s))
{
this.tracer.TraceDebug((long)this.traceId, "s is null or empty; returning false");
return(false);
}
byte[] array = this.NormalizeAndConvertToUTF8(s);
byte[] array2 = new byte[array.Length + 1];
Array.Copy(array, 0, array2, 0, array.Length);
int i = 0;
int num = this.Count - 1;
while (i <= num)
{
int num2 = (i + num) / 2;
int num3 = (int)this.ReadUShortFromDataArray(3 + num2 * 2);
int num4 = BinarySearchableEmailAddressCollection.byteArrayComparer.CompareNullTerminatedByteStrings(this.Data, num3, array2, 0);
if (num4 < 0)
{
i = num2 + 1;
}
else
{
if (num4 <= 0)
{
this.tracer.TraceDebug((long)this.traceId, "BinarySearchableEmailAddressCollection.Contains: search string was found; returning true");
while (this.Data[num3++] != 0)
{
}
byte[] array3 = new byte[this.MetadataSerializer.SizeOfMetadata];
Array.Copy(this.Data, num3, array3, 0, this.MetadataSerializer.SizeOfMetadata);
metadata = this.MetadataSerializer.Deserialize(array3);
return(true);
}
num = num2 - 1;
}
}
this.tracer.TraceDebug((long)this.traceId, "BinarySearchableEmailAddressCollection.Contains: search string was not found; returning false");
return(false);
}
public abstract bool Contains(string s, out PeopleIKnowMetadata metadata);