/// <summary>
/// Convert a hexadecimal id into a base-62 encoded id.
/// </summary>
/// <param name="hex">A hexadecimal id.</param>
/// <returns>A base-62 encoded id.</returns>
private static string ToBase62(string hex)
{
string uri = BaseConvert.Convert(hex, 16, 62);
/* Prepend zeroes until base-62 string length is 22. */
while (uri.Length < 22)
{
uri.Insert(0, "0");
}
return(uri);
}
/// <summary>
/// Convert a base-62 encoded id into a hexadecimal id.
/// </summary>
/// <param name="base62">A base-62 encoded id.</param>
/// <returns>A hexadecimal id.</returns>
private static string ToHex(string base62)
{
string hex = BaseConvert.Convert(base62, 62, 16);
/* Prepend zeroes until hexadecimal string length is 32. */
while (hex.Length < 32)
{
hex.Insert(0, "0");
}
return(hex);
}