public static string Convert(
string input,
BaseCharSet sourceAlphabet,
BaseCharSet targetAlphabet)
{
string sourceCharset = GetCharsetOf(sourceAlphabet);
string targetCharset = GetCharsetOf(targetAlphabet);
var number = ToDec(sourceCharset, input);
var targetString = ToBase(targetCharset, number);
return(targetString);
}
private static string GetCharsetOf(BaseCharSet baseCharSet)
{
string charset = "";
switch (baseCharSet)
{
case BaseCharSet.Base10:
charset = CHARSET_Base10;
break;
case BaseCharSet.Base16:
charset = CHARSET_Base16;
break;
case BaseCharSet.Base32_CustomV1:
charset = CHARSET_Base32_CustomV1;
break;
case BaseCharSet.Base36:
charset = CHARSET_Base36;
break;
case BaseCharSet.Base36_Custom:
charset = CHARSET_Base36_Custom;
break;
case BaseCharSet.Base62:
charset = CHARSET_Base62;
break;
case BaseCharSet.Base64:
charset = BASE64_RFC4648;
break;
case BaseCharSet.Base64_Safe:
charset = BASE64_RFC4648_SAFE;
break;
case BaseCharSet.Base66_Url_Safe_Custom:
charset = CHARSET_Base66_URL_SAFE_Custom;
break;
case BaseCharSet.Base66_Url_Safe:
charset = CHARSET_Base66_URL_SAFE;
break;
case BaseCharSet.Base85:
charset = CHARSET_Base85;
break;
case BaseCharSet.Base95:
charset = CHARSET_Base95;
break;
case BaseCharSet.Base94_Custom:
charset = CHARSET_Base94_Custom;
break;
case BaseCharSet.Base32_CustomV2:
charset = CHARSET_Base32_CustomV2;
break;
}
return(charset);
}
/// <summary>
/// Converts an input string in base-n into the equivalent in base-ten based on the given charset
/// </summary>
/// <param name="input"></param>
/// <param name="base"></param>
/// <param name="charset"></param>
/// <returns>BigInteger base-ten value of given input</returns>
public static BigInteger ToDec(string input, BaseCharSet @base)
{
var basedCharset = GetCharsetOf(@base);
return(ToDec(basedCharset, input));
}
public static string ToBase(BigInteger input, BaseCharSet targetBase)
{
string charset = GetCharsetOf(targetBase);
return(ToBase(charset, input));
}