public void DetectBOM()
{
BOMDetector bd;
byte[] bts;
bts = new byte[] { 0xFF, 0xFE, 0x00, 0x00, };
bd = new BOMDetector();
}
static void Main(string[] args)
{
Parser.Default.ParseArguments <Options>(args)
.WithParsed(o =>
{
if (!File.Exists(o.InputPath))
{
Console.WriteLine("No such file");
return;
}
byte[] buf;
using (MemoryStream data = new MemoryStream())
{
using (Stream file = File.OpenRead(o.InputPath))
{
file.CopyTo(data);
buf = data.ToArray();
if (o.Range != null)
{
string rangeStr = o.Range;
Regex regex = new Regex(@"^(\d+)-(\d+)");
if (!regex.IsMatch(rangeStr))
{
Console.WriteLine("Invalid range text format. Check the \"help\" text.");
return;
}
Match match = regex.Match(rangeStr);
var groups = match.Groups;
if (groups.Count != 3)
{
throw new InvalidOperationException($"Regex math count is not 3. but {groups.Count}");
}
int start = Convert.ToInt32(groups[1].Value);
int end = Convert.ToInt32(groups[2].Value);
if (end < start)
{
Console.WriteLine("The end range value must be bigger than the start range value");
return;
}
buf = buf.ToList().GetRange(start, end - start + 1).ToArray();
}
}
}
if (o.Summary)
{
int pad = 10;
int length = buf.Length;
BOMs bom = BOMDetector.DetectBOM(buf);
Console.WriteLine($"{nameof(length).PadRight(pad)} : {length}");
Console.WriteLine($"{nameof(bom).PadRight(pad)} : {bom}");
}
int baseBit = int.MinValue;
Func <string, string> converter = null;
if (o.Binary)
{
baseBit = 2;
converter = (s) => (s.PadLeft(8, '0'));
}
else if (o.Decimal)
{
baseBit = 10;
converter = (s) => (s.PadLeft(3, '0'));
}
else if (o.Hexadecimal)
{
baseBit = 16;
converter = (s) => ("0x" + s.PadLeft(2, '0'));
}
else if (o.Ascii)
{
string contents = Encoding.ASCII.GetString(buf);
Console.WriteLine(contents);
return;
}
else if (o.UTF8)
{
string contents = Encoding.UTF8.GetString(buf);
Console.WriteLine(contents);
return;
}
else if (o.INT)
{
if (buf.Length % 4 != 0)
{
Console.WriteLine(" if you want to use integer data representation, the length of bytes must be multiples of 4.");
return;
}
int[] vals = null;
if (o.endian == "big")
{
vals = ByteToNumber.ToInt(buf, Endian.Big);
}
else if (o.endian == "little")
{
vals = ByteToNumber.ToInt(buf, Endian.Little);
}
else
{
Console.WriteLine("endian option must be \"big\" or \"little\"");
return;
}
foreach (var val in vals)
{
Console.Write(val);
Console.Write(" ");
}
Console.WriteLine();
return;
}
else if (o.DOUBLE)
{
if (buf.Length % 8 != 0)
{
Console.WriteLine(" if you want to use integer data representation, the length of bytes must be multiples of 8.");
return;
}
double[] vals = null;
if (o.endian == "big")
{
vals = ByteToNumber.ToDouble(buf, Endian.Big);
}
else if (o.endian == "little")
{
vals = ByteToNumber.ToDouble(buf, Endian.Little);
}
else
{
Console.WriteLine("endian option must be \"big\" or \"little\"");
return;
}
foreach (var val in vals)
{
Console.Write(val);
Console.Write(" ");
}
Console.WriteLine();
return;
}
else
{
baseBit = 16;
converter = (s) => ("0x" + s.PadLeft(2, '0'));
}
foreach (var b in buf)
{
var val = converter(Convert.ToString(b, baseBit));
Console.Write(val + " ");
}
Console.WriteLine();
});
}
