internal static string NormalizeString(byte[] value, int offset, int length, bool allowUTF8)
{
if (length >= 2 && length <= 32)
{
int num = MimeData.HashValue(value, offset, length);
int num2 = MimeData.valueHashTable[num];
if (num2 > 0)
{
string value2;
for (;;)
{
value2 = MimeData.values[num2].value;
if (ByteString.EqualsI(value2, value, offset, length, allowUTF8))
{
break;
}
num2++;
if ((int)MimeData.values[num2].hash != num)
{
goto IL_54;
}
}
return(value2);
}
}
IL_54:
return(ByteString.BytesToString(value, offset, length, allowUTF8).ToLowerInvariant());
}
internal static string NormalizeString(string value, int offset, int length)
{
if (length >= 2 && length <= 32)
{
int num = MimeData.HashValue(value, offset, length);
int num2 = MimeData.valueHashTable[num];
if (num2 > 0)
{
string value2;
for (;;)
{
value2 = MimeData.values[num2].value;
if (length == value2.Length && string.Compare(value2, 0, value, offset, length, StringComparison.OrdinalIgnoreCase) == 0)
{
break;
}
num2++;
if ((int)MimeData.values[num2].hash != num)
{
goto IL_5E;
}
}
return(value2);
}
}
IL_5E:
return(value.Substring(offset, length).ToLowerInvariant());
}
internal static string NormalizeString(string value)
{
if (value.Length >= 2 && value.Length <= 32)
{
int num = MimeData.HashValue(value);
int num2 = MimeData.valueHashTable[num];
if (num2 > 0)
{
string value2;
for (;;)
{
value2 = MimeData.values[num2].value;
if (value.Length == value2.Length && value.Equals(value2, StringComparison.OrdinalIgnoreCase))
{
break;
}
num2++;
if ((int)MimeData.values[num2].hash != num)
{
goto IL_68;
}
}
return(value2);
}
}
IL_68:
return(value.ToLowerInvariant());
}
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);
}
// Token: 0x060001DF RID: 479 RVA: 0x00008718 File Offset: 0x00006918
private static string ComposeContentTypeValue(string type, string subType)
{
int num = type.Length + 1 + subType.Length;
if (num >= 2 && num <= 32)
{
int num2 = 0;
num2 = MimeData.HashValueAdd(num2, type);
num2 = MimeData.HashValueAdd(num2, "/");
num2 = MimeData.HashValueAdd(num2, subType);
num2 = MimeData.HashValueFinish(num2);
int num3 = MimeData.valueHashTable[num2];
if (num3 > 0)
{
string text;
for (;;)
{
text = MimeData.values[num3].value;
if (text.Length == num && text.StartsWith(type, StringComparison.OrdinalIgnoreCase) && text[type.Length] == '/' && text.EndsWith(subType, StringComparison.OrdinalIgnoreCase))
{
break;
}
num3++;
if ((int)MimeData.values[num3].hash != num2)
{
goto IL_A7;
}
}
return(text);
}
}
IL_A7:
return(type + "/" + subType);
}
