internal static HeaderNameIndex LookupName(byte[] nameBuffer, int offset, int length)
{
if (length >= 2 && length <= 31)
{
int num = MimeData.HashName(nameBuffer, offset, length);
int num2 = (int)MimeData.nameHashTable[num];
if (num2 > 0)
{
for (;;)
{
string str = MimeData.headerNames[num2].name;
if (ByteString.EqualsI(str, nameBuffer, offset, length, false))
{
break;
}
num2++;
if ((int)MimeData.headerNames[num2].hash != num)
{
return(HeaderNameIndex.Unknown);
}
}
return((HeaderNameIndex)num2);
}
}
return(HeaderNameIndex.Unknown);
}
internal static HeaderNameIndex LookupName(string name)
{
if (name.Length >= 2 && name.Length <= 31)
{
int num = MimeData.HashName(name);
int num2 = (int)MimeData.nameHashTable[num];
if (num2 > 0)
{
for (;;)
{
string text = MimeData.headerNames[num2].name;
if (name.Length == text.Length && name.Equals(text, StringComparison.OrdinalIgnoreCase))
{
break;
}
num2++;
if ((int)MimeData.headerNames[num2].hash != num)
{
return(HeaderNameIndex.Unknown);
}
}
return((HeaderNameIndex)num2);
}
}
return(HeaderNameIndex.Unknown);
}
