private void UpdateHeaderFlags(bool resetcondition, CommonNetworkRelativeLinkFlags flag)
{
if (resetcondition)
{
CommonNetworkRelativeLinkFlags &= ~flag;
}
else
{
CommonNetworkRelativeLinkFlags |= flag;
}
}
/// <summary>
/// Create a CommonNetworkRelativeLink from a given byte array
/// </summary>
/// <param name="ba">The byte array</param>
/// <returns>A CommonNetworkRelativeLink object</returns>
public static CommonNetworkRelativeLink FromByteArray(byte[] ba)
{
CommonNetworkRelativeLink CommonNetworkRelativeLink = new CommonNetworkRelativeLink();
if (ba.Length < 0x14)
{
throw new ArgumentException(String.Format("Size of the CommonNetworkRelativeLink Structure is less than 20 ({0})", ba.Length));
}
UInt32 CommonNetworkRelativeLinkSize = BitConverter.ToUInt32(ba, 0);
if (CommonNetworkRelativeLinkSize > ba.Length)
{
throw new ArgumentException(String.Format("The CommonNetworkRelativeLinkSize is {0} is incorrect (expected {1})", CommonNetworkRelativeLink, ba.Length));
}
CommonNetworkRelativeLinkFlags CommonNetworkRelativeLinkFlags = (CommonNetworkRelativeLinkFlags)BitConverter.ToUInt32(ba, 4);
UInt32 NetNameOffset = BitConverter.ToUInt32(ba, 8);
UInt32 DeviceNameOffset = BitConverter.ToUInt32(ba, 12);
UInt32 NetNameOffsetUnicode = 0;
UInt32 DeviceNameOffsetUnicode = 0;
CommonNetworkRelativeLink.NetworkProviderType = (NetworkProviderType)BitConverter.ToUInt32(ba, 16);
if (NetNameOffset > 0x14)
{
NetNameOffsetUnicode = BitConverter.ToUInt32(ba, 20);
DeviceNameOffsetUnicode = BitConverter.ToUInt32(ba, 24);
}
byte[] tmp = ba.Skip((int)NetNameOffset).ToArray();
CommonNetworkRelativeLink.NetName = Encoding.Default.GetString(tmp.Take(Array.IndexOf(tmp, (byte)0x00) + 1).ToArray()).TrimEnd(new char[] { (char)0 });
if ((CommonNetworkRelativeLinkFlags & CommonNetworkRelativeLinkFlags.ValidDevice) != 0)
{
tmp = ba.Skip((int)DeviceNameOffset).ToArray();
CommonNetworkRelativeLink.DeviceName = Encoding.Default.GetString(tmp.Take(Array.IndexOf(tmp, (byte)0x00) + 1).ToArray()).TrimEnd(new char[] { (char)0 });
}
if (NetNameOffset > 0x14)
{
int Index = 0;
tmp = ba.Skip((int)NetNameOffsetUnicode).ToArray();
for (int i = 0; i < tmp.Length - 1; i++)
{
if (tmp[i] == 0x00 && tmp[i + 1] == 0x00)
{
Index = i;
break;
}
}
CommonNetworkRelativeLink.NetNameUnicode = Encoding.Unicode.GetString(tmp.Take(Index + 1).ToArray()).TrimEnd(new char[] { (char)0 });
if ((CommonNetworkRelativeLinkFlags & CommonNetworkRelativeLinkFlags.ValidDevice) != 0)
{
tmp = ba.Skip((int)DeviceNameOffsetUnicode).ToArray();
for (int i = 0; i < tmp.Length - 1; i++)
{
if (tmp[i] == 0x00 && tmp[i + 1] == 0x00)
{
Index = i;
break;
}
}
CommonNetworkRelativeLink.DeviceNameUnicode = Encoding.Unicode.GetString(tmp.Take(Index + 1).ToArray()).TrimEnd(new char[] { (char)0 });
}
}
return(CommonNetworkRelativeLink);
}
private void UpdateHeaderFlags(object item, CommonNetworkRelativeLinkFlags flag)
{
UpdateHeaderFlags(((item is string) && string.IsNullOrEmpty(item as string)) || (item == null), flag);
}
