public static Guid? GetIDFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
byte[] value = null;
if (atom != null && atom.TryGetBytes(out value) && value.Length==16) {
return ByteArrayToID(value);
}
else {
return null;
}
}
public static ushort? GetUShortFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
ushort value = 0;
if (atom != null && atom.TryGetUInt16(out value)) {
return value;
}
else {
return null;
}
}
public static byte? GetByteFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
byte value = 0;
if (atom != null && atom.TryGetByte(out value)) {
return value;
}
else {
return null;
}
}
public static int? GetIntFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
int value = 0;
if (atom != null && atom.TryGetInt32(out value)) {
return value;
}
else {
return null;
}
}
public static void SetChanPktType(this IAtomCollection collection, ID4 value)
{
SetAtomTo(collection, new Atom(Atom.PCP_CHAN_PKT_TYPE, value.GetBytes()));
}
public static Atom GetAtomFrom(IAtomCollection collection, ID4 name)
{
return collection.FindByName(name);
}
public static string GetStringFrom(IAtomCollection collection, ID4 name)
{
string res = null;
var atom = collection.FindByName(name);
if (atom != null && atom.TryGetString(out res)) {
return res;
}
else {
return null;
}
}
public static IPAddress GetIPAddressFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
IPAddress value = null;
if (atom != null && atom.TryGetIPv4Address(out value)) {
return value;
}
else {
return null;
}
}
public static ID4? GetID4From(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
byte[] value = null;
if (atom != null && atom.TryGetBytes(out value) && value.Length==4) {
return new ID4(value);
}
else {
return null;
}
}
public static IAtomCollection GetCollectionFrom(IAtomCollection collection, ID4 name)
{
var atom = collection.FindByName(name);
if (atom != null && atom.HasChildren) {
return atom.Children;
}
else {
return null;
}
}
private void TReg_Click(object sender, EventArgs e)
{
string s = ID4.Text;
// This will create a file named ID4
// at the specified location
StreamWriter sw = new StreamWriter("D:\\Semester-03\\OOP\\Project\\Files\\Teacher\\Bio\\" + s + ".txt", true);
// To write a line in buffer
sw.WriteLine(Fname4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(Lname4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(Eaddress4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(cnic4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(dob4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(cno4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(Haddress4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(nation4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(qua4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(pos4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(degree4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(campus4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(ID4.Text);
// To write in output stream
sw.Flush();
// To write a line in buffer
sw.WriteLine(password4.Text);
// To write in output stream
sw.Flush();
// To close the stream
sw.Close();
s = "Teacher";
// This will create a file named ID4
// at the specified location
StreamWriter sx = new StreamWriter("D:\\Semester-03\\OOP\\Project\\Files\\Admin\\Red Zone\\" + s + ".txt", true);
// To write a line in buffer
sx.WriteLine(ID4.Text);
// To write in output stream
sx.Flush();
// To write a line in buffer
sx.WriteLine(password4.Text);
// To write in output stream
sx.Flush();
// To close the stream
sx.Close();
string message = "Teacher has been registered successfully";
MessageBox.Show(message);
Fname4.Clear();
Lname4.Clear();
Eaddress4.Clear();
cnic4.Clear();
dob4.Clear();
cno4.Clear();
Haddress4.Clear();
nation4.Clear();
qua4.Clear();
pos4.Clear();
degree4.Clear();
campus4.Clear();
ID4.Clear();
password4.Clear();
}
static public Atom ReadAtom(this Stream stream)
{
var header = stream.ReadBytes(8);
var name = new ID4(header, 0);
if (!BitConverter.IsLittleEndian) Array.Reverse(header, 4, 4);
uint len = BitConverter.ToUInt32(header, 4);
if ((len & 0x80000000U)!=0) {
if ((len&0x7FFFFFFF)>1024) {
throw new InvalidDataException("Atom has too many children");
}
var children = new AtomCollection();
for (var i=0; i<(len&0x7FFFFFFF); i++) {
children.Add(stream.ReadAtom());
}
return new Atom(name, children);
}
else {
if (len>1024*1024) {
throw new InvalidDataException("Atom length too long");
}
var value = stream.ReadBytes((int)len);
return new Atom(name, value);
}
}
static public async Task<Atom> ReadAtomAsync(this Stream stream, CancellationToken cancel_token)
{
var header = await stream.ReadBytesAsync(8, cancel_token);
var name = new ID4(header, 0);
if (!BitConverter.IsLittleEndian) Array.Reverse(header, 4, 4);
uint len = BitConverter.ToUInt32(header, 4);
if ((len & 0x80000000U)!=0) {
if ((len&0x7FFFFFFF)>1024) {
throw new InvalidDataException("Atom has too many children");
}
var children = new AtomCollection();
for (var i=0; i<(len&0x7FFFFFFF); i++) {
children.Add(await stream.ReadAtomAsync(cancel_token));
}
return new Atom(name, children);
}
else {
if (len>1024*1024) {
throw new InvalidDataException("Atom length too long");
}
var value = await stream.ReadBytesAsync((int)len, cancel_token);
return new Atom(name, value);
}
}
static void MenuSelection(string selection)
{
switch (selection)
{
case "1":
{
var problem = new ID1();
problem.Start();
break;
}
case "2":
{
var problem = new ID2();
problem.Start();
break;
}
case "3":
{
var problem = new ID3();
problem.Start();
break;
}
case "4":
{
var problem = new ID4();
problem.Start();
break;
}
case "5":
{
var problem = new ID5();
problem.Start();
break;
}
case "6":
{
var problem = new ID6();
problem.Start();
break;
}
case "7":
{
var problem = new ID7();
problem.Start();
break;
}
case "8":
{
var problem = new ID8();
problem.Start();
break;
}
case "9":
{
var problem = new ID9();
problem.Start();
break;
}
case "10":
{
var problem = new ID10();
problem.Start();
break;
}
case "11":
{
var problem = new ID11();
problem.Start();
break;
}
case "12":
{
var problem = new ID12();
problem.Start();
break;
}
case "13":
{
var problem = new ID13();
problem.Start();
break;
}
case "14":
{
var problem = new ID14();
problem.Start();
break;
}
case "266":
{
var problem = new ID266();
problem.Start();
break;
}
default:
break;
}
}
