public static HtmlNameIndex LookupName(char[] nameBuffer, int nameOffset, int nameLength)
{
if (nameLength != 0 && nameLength <= 14)
{
short num = (short)((ulong)(HashCode.CalculateLowerCase(nameBuffer, nameOffset, nameLength) ^ 221) % 601UL);
int num2 = (int)HtmlNameData.nameHashTable[(int)num];
if (num2 > 0)
{
for (;;)
{
string name = HtmlNameData.Names[num2].Name;
if (name.Length == nameLength && name[0] == ParseSupport.ToLowerCase(nameBuffer[nameOffset]))
{
int num3 = 0;
while (++num3 < name.Length && ParseSupport.ToLowerCase(nameBuffer[nameOffset + num3]) == name[num3])
{
}
if (num3 == name.Length)
{
break;
}
}
num2++;
if (HtmlNameData.Names[num2].Hash != num)
{
return(HtmlNameIndex.Unknown);
}
}
return((HtmlNameIndex)num2);
}
}
return(HtmlNameIndex.Unknown);
}
public static HtmlNameIndex LookupName(char[] nameBuffer, int nameOffset, int nameLength)
{
InternalDebug.Assert(nameLength >= 0);
if (nameLength != 0 && nameLength <= HtmlNameData.MAX_NAME)
{
var nameHashValue = (short)(((uint)HashCode.CalculateLowerCase(nameBuffer, nameOffset, nameLength) ^ HtmlNameData.NAME_HASH_MODIFIER) % HtmlNameData.NAME_HASH_SIZE);
var nameIndex = (int)HtmlNameData.nameHashTable[nameHashValue];
if (nameIndex > 0)
{
do
{
var name = HtmlNameData.names[nameIndex].name;
if (name.Length == nameLength &&
name[0] == ParseSupport.ToLowerCase(nameBuffer[nameOffset]))
{
var i = 0;
while (++i < name.Length)
{
InternalDebug.Assert(!ParseSupport.IsUpperCase(name[i]));
if (ParseSupport.ToLowerCase(nameBuffer[nameOffset + i]) != name[i])
{
break;
}
}
if (i == name.Length)
{
return((HtmlNameIndex)nameIndex);
}
}
nameIndex++;
}while (HtmlNameData.names[nameIndex].hash == nameHashValue);
}
}
return(HtmlNameIndex.Unknown);
}