namespace Exyll;

/// <remarks>Based on http://www.csharp411.com/convert-binary-to-base64-string/</remarks>

public class Base64Encoder : BaseEncoder

{

const string CharacterSetBase = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

public readonly char PlusChar;

public readonly char SlashChar;

public static readonly Base64Encoder Default = new('+', '/', true);

public static readonly Base64Encoder DefaultNoPadding = new('+', '/', false);

public static readonly Base64Encoder UrlEncoding = new('-', '_', false);

public static readonly Base64Encoder XmlEncoding = new('_', ':', false);

public static readonly Base64Encoder RegExEncoding = new('!', '-', false);

public static readonly Base64Encoder FileEncoding = new('+', '-', false);

public Base64Encoder(char plusChar, char slashChar, bool paddingEnabled)

: base((CharacterSetBase + plusChar + slashChar).ToCharArray(), paddingEnabled)

{

PlusChar = plusChar;

SlashChar = slashChar;

}

public static byte[] FromBase64String(string data) => Default.FromBase(data);

public static string ToBase64String(byte[] data) => Default.ToBase(data);

}