public static decimal ReadValueD(string message)
{
try
{
OutputHandling.Question(message, false);
decimal x = Convert.ToDecimal(Console.ReadLine());
return(x);
}
catch
{
OutputHandling.Error("Invalid input value! Must be an integer!");
return(ReadValueD(message));
}
}
public static int ReadValue(string message)
{
try
{
OutputHandling.Question(message, false);
int x = Convert.ToInt32(Console.ReadLine());
return(x);
}
catch
{
OutputHandling.Error("Invalid input value! Must be an integer!");
return(ReadValue(message));
}
}
public static void ReadCollectionElements(ref LinkedList <int> linkedList, int linkedListLength, ref int index)
{
for (int i = 0; i < linkedListLength; i++)
{
try
{
OutputHandling.Question("Element " + i + ": ", false);
linkedList.AddLast(Convert.ToInt32(Console.ReadLine()));
}
catch
{
OutputHandling.Error("Invalid input value! Please use an integer");
index = i--;
}
}
}
public static void ReadCollectionElements(ref SingleLinkedList singleLinkedList, int singleLinkedListLength, ref int index)
{
for (int i = 0; i < singleLinkedListLength; i++)
{
try
{
OutputHandling.Question("Element " + i + ": ", false);
singleLinkedList.AddLast(singleLinkedList, ReadValue(""));
}
catch
{
OutputHandling.Error("Invalid input value! Please use an integer");
index = i--;
}
}
}
public static void ReadCollectionElements(ref int[] array, int arrLen, ref int index)
{
for (int i = index; i < arrLen; i++)
{
try
{
OutputHandling.Question(i, "-", "Element");
array[i] = Convert.ToInt32(Console.ReadLine());
}
catch
{
OutputHandling.Error("Invalid input value! Please use an integer");
index = i--;
}
}
}
public static int ReadCollectionLength(string messagePrefix = "Collection Length: ")
{
try
{
OutputHandling.Question(messagePrefix, false);
int arrayLength = Convert.ToInt32(Console.ReadLine());
if (arrayLength < 0)
{
OutputHandling.Error("Invalid input value! Array Length must be a positive integer!!!");
return(ReadCollectionLength(messagePrefix));
}
return(arrayLength);
}
catch
{
OutputHandling.Error("Invalid input value! Please use an integer");
return(ReadCollectionLength(messagePrefix));
}
}
public static int ReadCollectionIndex(int arrLen, string message = "Collection index: ")
{
try
{
OutputHandling.Question(message, false);
int index = Convert.ToInt32(Console.ReadLine());
if (index > arrLen - 1 || index < 0)
{
OutputHandling.Error("Invalid input value for index: MUST BE GREATER THAN OR EQUAL TO 0 AND LESSER THAN THE COLLECTION LENGTH");
return(ReadCollectionIndex(arrLen, message));
}
return(index);
}
catch
{
OutputHandling.Error("Invalid input value for index: MUST BE AN INTEGER");
return(ReadCollectionIndex(arrLen, message));
}
}