public Base64Converter(Encoding encoding)
{
var charSet = new Base64EncodedCharacterSet(encoding);
_encoder = new Base64BufferEncoder(charSet);
_decoder = new Base64BufferDecoder(charSet);
}
public Base64CharacterMap(Base64EncodedCharacterSet charSet)
{
_map = new byte[123];
var chars = charSet.Chars;
for (byte i = 0; i < chars.Length; i++)
{
_map[chars[i]] = i;
}
}
public static IBase64CharacterMap Create(Base64EncodedCharacterSet charSet)
{
if (charSet.CharSize == 1)
{
return(new Base64CharacterMap(charSet));
}
if (charSet.CharSize == 2)
{
return(new Base64TwoCharacterMap(charSet));
}
if (charSet.CharSize == 4)
{
return(new Base64FourCharacterMap(charSet));
}
throw new NotSupportedException($"Encodings with character size {charSet.CharSize} is currently not supported.");
}
public Base64BufferEncoder(Base64EncodedCharacterSet charSet)
{
_chars = charSet.Chars;
_paddingChar = charSet.PaddingChar;
_charSize = charSet.CharSize;
}
public Base64BufferDecoder(Base64EncodedCharacterSet charSet)
{
_paddingChar = charSet.PaddingChar;
_charSize = charSet.CharSize;
_map = Base64CharacterMap.Create(charSet);
}
