public static long Unpack(byte[] content)
{
if (content.Length == 1 && content[0] <= 0xFF)
{
return((sbyte)content[0]);
}
var toInterpret = content.Skip(1).ToArray();
switch (content[0])
{
case Markers.Int8:
return((sbyte)toInterpret[0]);
case Markers.Int16:
return(PackStreamBitConverter.ToInt16(toInterpret));
case Markers.Int32:
return(PackStreamBitConverter.ToInt32(toInterpret));
case Markers.Int64:
return(PackStreamBitConverter.ToInt64(toInterpret));
default:
throw new ArgumentOutOfRangeException(nameof(content), content[0], "Unknown Marker");
}
}
public static byte[] Pack(double content)
{
var output = new List <byte> {
Markers.Floating
};
output.AddRange(PackStreamBitConverter.GetBytes(content));
return(output.ToArray());
}
private static int GetNumberOfFields(byte[] bytes)
{
if (bytes[0] >= 0xB0 && bytes[0] <= 0xBF)
{
return(bytes[0] - 0xB0);
}
if (bytes[0] == 0xDC)
{
return(bytes[1]);
}
if (bytes[0] == 0xDD)
{
var markerSize = bytes.Skip(1).Take(2).ToArray();
return(int.Parse(PackStreamBitConverter.ToString(markerSize).Replace("-", ""), NumberStyles.HexNumber));
}
throw new ArgumentOutOfRangeException(nameof(bytes), bytes[0], "Unknown Marker");
}
public static int GetExpectedSize(byte[] content)
{
if (content[0] >= 0x80 && content[0] <= 0x8F)
{
return(content[0] - 0x80);
}
if (content[0] == 0xD0)
{
return(content[1]);
}
if (content[0] == 0xD1)
{
var markerSize = content.Skip(1).Take(2).ToArray();
return((ushort)PackStreamBitConverter.ToInt16(markerSize));
}
if (content[0] == 0xD2)
{
var markerSize = content.Skip(1).Take(4).ToArray();
return(PackStreamBitConverter.ToInt32(markerSize));
}
throw new ArgumentOutOfRangeException(nameof(content), content[0], "Unknown Marker");
}
private static int GetNumberOfElements(byte[] content)
{
if (content[0] >= 0x90 && content[0] <= 0x9F)
{
return(content[0] - 0x90);
}
if (content[0] == 0xD4)
{
return(content[1]);
}
if (content[0] == 0xD5)
{
return(int.Parse(PackStreamBitConverter.ToString(content.Skip(1).Take(2).ToArray()).Replace("-", ""), NumberStyles.HexNumber));
}
if (content[0] == 0xD6)
{
return(int.Parse(PackStreamBitConverter.ToString(content.Skip(1).Take(4).ToArray()).Replace("-", ""), NumberStyles.HexNumber));
}
throw new ArgumentException("Unknown marker", nameof(content));
}
public static double Unpack(byte[] content)
{
var markerlessArray = content[0] == Markers.Floating ? content.Skip(1).ToArray() : content;
return(PackStreamBitConverter.ToDouble(markerlessArray));
}
internal static byte[] ConvertLongToBytes(long value)
{
var output = new List <byte>(PackStreamBitConverter.GetBytes(value));
return(value >= 0 ? ConvertPositiveLongs(output, value) : ConvertNegativeLongs(output, value));
}
