private static bool TryAlphaNumericOnly(string data, Level correctionLevel, int version, out IEnumerable <EncodingSequence> sequences)
{
sequences = new List <EncodingSequence>();
if (data.Length == 0)
{
return(false);
}
Logger.WriteLog($"TryAlphaNumericOnly");
EncodingSequence seq = new EncodingSequence(correctionLevel, version)
{
Start = 0,
Enc = EncodingMode.AlphaNumeric
};
var result = new List <EncodingSequence> {
seq
};
for (int i = 0; i < data.Length; i++)
{
char c = data[i];
if (!CheckAlphaNumeric(c))
{
return(false);
}
seq.AppendData(c);
}
sequences = result;
return(true);
}
private static IEnumerable <EncodingSequence> BytesOnly(string data, Level correctionLevel, int version)
{
if (data.Length == 0)
{
return(Enumerable.Empty <EncodingSequence>());
}
Logger.WriteLog($"BytesOnly");
EncodingSequence seq = new EncodingSequence(correctionLevel, version)
{
Start = 0,
Enc = EncodingMode.Bytes
};
var result = new List <EncodingSequence> {
seq
};
for (int i = 0; i < data.Length; i++)
{
seq.AppendData(data[i]);
}
return(result);
}
private static EncodingSequence AddToSequences(List <EncodingSequence> result, char c, int index, EncodingMode enc, EncodingSequence last,
Level correctionLevel, int version)
{
if (last == null || last.Enc != enc)
{
last = new EncodingSequence(correctionLevel, version)
{
Start = index,
Enc = enc
};
last.AppendData(c);
result.Add(last);
}
else
if (last.Enc == enc)
{
last.AppendData(c);
}
return(last);
}