protected override string GetEncoding(string value)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
if (this.Checksum)
{
value += (string)(object)Code25.GetChecksum(value);
}
if (value.Length % 2 != 0)
{
value = Code25Interleaved.Padding + value;
}
if (!value.StartsWith(Code25Interleaved.Prefix))
{
value = Code25Interleaved.Prefix + value;
}
if (!value.EndsWith(Code25Interleaved.Suffix))
{
value += Code25Interleaved.Suffix;
}
StringBuilder stringBuilder = new StringBuilder();
int length;
for (int startIndex = 0; startIndex < value.Length; startIndex += length)
{
length = !char.IsDigit(value[startIndex]) ? 1 : 2;
string index = value.Substring(startIndex, length);
stringBuilder.Append(Code25Interleaved.Encoding[index]);
}
return(stringBuilder.ToString());
}
protected static char GetChecksum(string value)
{
return(Code25.GetChecksum(value, 3, 1, 10));
}