static void ShowMenuBST(BinarySearchTree <int> tree, TreeTypeConverter <int> converter)
{
WriteLine();
WriteLine("BST Menu:");
WriteLine("0 : Create new");
WriteLine("1 : Add value");
WriteLine("2 : Remove value");
WriteLine("3 : Traverse: Pre-Order");
WriteLine("4 : Traverse: In-Order");
WriteLine("5 : Traverse: Post-Order");
WriteLine("6 : Fill: FullTreeData");
WriteLine("7 : Fill: RandomTreeData");
WriteLine("<any other> : Exit from BST");
var read = ReadLine();
int value = default;
bool exit = false;
switch (read)
{
case "0":
WriteLine("Enter value of a future Root node or press Enter to create without Root:");
read = ReadLine();
if (string.IsNullOrEmpty(read))
{
tree = new BinarySearchTree <int>();
WriteLine("Tree created");
break;
}
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value. Tree will not be created");
break;
}
else
{
tree = new BinarySearchTree <int>(value);
break;
}
case "1":
WriteLine("Enter value to add:");
read = ReadLine();
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value");
break;
}
tree.Add(value);
break;
case "2":
WriteLine("Enter value to remove:");
read = ReadLine();
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value");
break;
}
tree.Remove(value);
break;
case "3":
WriteLine(string.Join(" | ", tree.TraversePreOrder()));
break;
case "4":
WriteLine(string.Join(" | ", tree.TraverseInOrder()));
break;
case "5":
WriteLine(string.Join(" | ", tree.TraversePostOrder()));
break;
case "6":
tree = new BinarySearchTree <int>();
tree.AddRange(DataGenerator.FullTreeData());
break;
case "7":
WriteLine($"Enter number of nodes, max is {DataGenerator.MaxRandomItemsCount} :");
read = ReadLine();
if (!int.TryParse(read, out int numberOfRoots))
{
WriteLine("Unable to convert input value");
break;
}
if (numberOfRoots < 1)
{
WriteLine("Number of nodes must be greater than 0");
break;
}
tree = new BinarySearchTree <int>();
tree.AddRange(DataGenerator.RandomTreeData(numberOfRoots));
break;
default:
exit = true;
break;
}
if (exit)
{
return;
}
ShowMenuBST(tree, converter);
}
static void ShowMenuMarshaled(MarshalledBinarySearchTree <int> tree, TreeTypeConverter <int> converter)
{
WriteLine();
WriteLine("Marshaled Menu:");
WriteLine("0 : Create new");
WriteLine("1 : Add value");
WriteLine("2 : Remove value");
WriteLine("3 : Traverse: Pre-Order");
WriteLine("4 : Traverse: In-Order");
WriteLine("5 : Traverse: Post-Order");
WriteLine("6 : Fill: FullTreeData");
WriteLine("7 : Fill: RandomTreeData");
WriteLine("8 : Marshal");
WriteLine("9 : Unmarshal");
WriteLine("<any other> : Exit from MBST");
var read = ReadLine();
int value = default;
string delimiter = string.Empty;
bool exit = false;
switch (read)
{
case "0":
WriteLine("Enter value of a Delimiter, used for Marshaling:");
delimiter = ReadLine();
if (string.IsNullOrEmpty(delimiter) || delimiter.Length != 1)
{
WriteLine("Delimiter must contain exact 1 char, tree will not be created");
break;
}
WriteLine("Enter value of a future Root node or press Enter to create without Root:");
read = ReadLine();
if (delimiter == read)
{
WriteLine("Unable to create a tree with Delimiter equal to Root value");
break;
}
if (string.IsNullOrEmpty(read))
{
tree = new MarshalledBinarySearchTree <int>(delimiter);
WriteLine("Tree was created");
break;
}
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value, tree will not be created");
break;
}
else
{
tree = new MarshalledBinarySearchTree <int>(delimiter, value);
break;
}
case "1":
WriteLine("Enter value to add:");
read = ReadLine();
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value");
break;
}
tree.Add(value);
break;
case "2":
WriteLine("Enter value to remove:");
read = ReadLine();
if (!converter.TryParse(read, out value))
{
WriteLine("Unable to convert input value");
break;
}
tree.Remove(value);
break;
case "3":
WriteLine(string.Join(" | ", tree.TraversePreOrder()));
break;
case "4":
WriteLine(string.Join(" | ", tree.TraverseInOrder()));
break;
case "5":
WriteLine(string.Join(" | ", tree.TraversePostOrder()));
break;
case "6":
WriteLine("Enter value of a Delimiter, used for Marshaling:");
delimiter = ReadLine();
if (string.IsNullOrEmpty(delimiter) || delimiter.Length != 1)
{
WriteLine("Delimiter must contain exact 1 char, tree will not be created");
break;
}
tree = new MarshalledBinarySearchTree <int>(delimiter);
var data1 = DataGenerator.FullTreeData().ToList();
if (data1.Any(item => item.ToString().Contains(delimiter)))
{
WriteLine("Data to be added contains value(s) that include Delimiter, not all nodes will be created");
data1 = data1.Where(item => !item.ToString().Contains(delimiter)).ToList();
}
tree.AddRange(data1);
break;
case "7":
WriteLine("Enter value of a Delimiter, used for Marshaling:");
delimiter = ReadLine();
if (string.IsNullOrEmpty(delimiter) || delimiter.Length != 1)
{
WriteLine("Delimiter must contain exact 1 char, tree will not be created");
break;
}
WriteLine($"Enter number of nodes, max is {DataGenerator.MaxRandomItemsCount} :");
read = ReadLine();
if (!int.TryParse(read, out int numberOfRoots))
{
WriteLine("Unable to convert input value");
break;
}
if (numberOfRoots < 1)
{
WriteLine("Number of nodes must be greater than 0");
break;
}
tree = new MarshalledBinarySearchTree <int>(delimiter);
var data2 = DataGenerator.RandomTreeData(numberOfRoots).ToList();
if (data2.Any(item => item.ToString().Contains(delimiter)))
{
WriteLine("Data to be added contains value(s) that include Delimiter, not all nodes will be created");
data2 = data2.Where(item => !item.ToString().Contains(delimiter)).ToList();
}
tree.AddRange(data2);
break;
case "8":
WriteLine("Marshaled tree:");
WriteLine(tree.Marshall());
break;
case "9":
WriteLine("Enter string to unmarshal:");
var unmarshalInput = ReadLine();
tree.Unmarshal(unmarshalInput);
WriteLine("Tree loaded");
break;
default:
exit = true;
break;
}
if (exit)
{
return;
}
ShowMenuMarshaled(tree, converter);
}