static void LinesArg(CRC crc, Cli cli)
{
System.IO.StreamReader file = null;
string filename = cli.opt.Argument;
try
{
file = new System.IO.StreamReader(filename);
}
catch (IOException e)
{
Console.WriteLine($"Error opening {filename}");
Console.WriteLine(e.Message);
return;
}
string line;
int linenum = 0;
ushort linecrc;
while ((line = file.ReadLine()) != null)
{
linenum++;
if (cli.opt.HexString)
{
linecrc = crc.HexStringChecksum(line);
}
else
{
linecrc = crc.Checksum(line);
}
Console.Write($"{linenum} : ");
ShowHex(linecrc);
}
file.Close();
}
static void Main(string[] args)
{
Cli cli;
try
{
cli = new Cli(args);
}
catch
{
Console.WriteLine("Command Line error");
return;
}
if (cli.opt == null)
{
return;
}
CRC crc;
if (cli.opt.Noise > 0)
{
crc = new NoiseCRC(cli.opt.Noise);
if (cli.opt.Verbose)
{
Console.WriteLine($"Enabling noise level {cli.opt.Noise}");
}
}
else
{
crc = new CRC();
}
if ((cli.opt.Polynomial != null) && (cli.opt.Polynomial.Length > 0))
{
try
{
ushort poly = System.Convert.ToUInt16(cli.opt.Polynomial, 16);
crc.Generate(poly);
}
catch
{
Console.WriteLine($"Invalid polynomial spec {cli.opt.Polynomial}");
return;
}
}
if (cli.opt.Table)
{
crc.ShowTable();
return;
}
if (cli.opt.Argument == null)
{
return;
}
if (cli.opt.File)
{
FileArg(crc, cli);
return;
}
else if (cli.opt.Lines)
{
LinesArg(crc, cli);
return;
}
else if (cli.opt.HexString)
{
HexStringArg(crc, cli);
return;
}
else
{
StringArg(crc, cli);
}
}
static void StringArg(CRC crc, Cli cli)
{
ushort result = crc.Checksum(cli.opt.Argument);
ShowHex(result);
}
static void FileArg(CRC crc, Cli cli)
{
ushort csum = crc.Checksum(cli.opt.Argument);
ShowHex(csum);
}
