public static bool IsValid(string percentEncodedBytes)
{
if (percentEncodedBytes.Length != 3)
{
return(false);
}
if (percentEncodedBytes[0] != '\u0025')
{
return(false);
}
return(CodePoints.IsAsciiHexDigit(percentEncodedBytes[1]) && CodePoints.IsAsciiHexDigit(percentEncodedBytes[2]));
}
public static byte[] DecodePercent(byte[] input)
{
List <byte> output = new List <byte>();
for (int i = 0; i < input.Length; i++)
{
if (input[i] != '\x25')
{
output.Add(input[i]);
}
else if (!(input.Length > i + 2 && CodePoints.IsAsciiHexDigit(input[i + 1]) && CodePoints.IsAsciiHexDigit(input[i + 2])))
{
output.Add(input[i]);
}
else
{
char bytePoint = HexCharsToValue(input[i + 1], input[i + 2]);
output.Add(Encoding.UTF8.GetBytes(new char[] { bytePoint })[0]);
i += 2;
}
}
return(output.ToArray());
}
public static bool InC0EncodeSet(char input)
{
return(CodePoints.IsC0Control(input) || input > '\u007e');
}