protected override string GetEncoding(string value)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (this.Checksum)
{
value += Code93.GetChecksum(value);
}
if (!value.StartsWith(Code93.Prefix))
{
value = Code93.Prefix + value;
}
if (!value.EndsWith(Code93.Suffix))
{
value += Code93.Suffix;
}
StringBuilder stringBuilder = new StringBuilder();
for (int index = 0; index < value.Length; ++index)
{
stringBuilder.Append(Code93.Encoding[value[index]]);
}
stringBuilder.Append(Symbology1D.BarChar);
return(stringBuilder.ToString());
}
private static string GetChecksum(string value)
{
int length = value.Length;
value += (string)(object)Code93.GetChecksum(value, 20, 47);
value += (string)(object)Code93.GetChecksum(value, 15, 47);
return(value.Substring(length));
}