public static void Main(String[] args)
{
Console.WriteLine("***Interpreter Pattern Demo***\n");
string inputString;
//int userInput;
Console.WriteLine("Enter a 3 digit number only (i.e. 100 to 999)");
inputString = Console.ReadLine();
//Context context = new Context(userInput);
Context context = new Context(inputString);
//Some basic validations before we proceed
//Checking whether we can parse the string as an integer
if (context.ValidateUserInputBeforeProceedings(inputString) != -9999)
{
// Build the 'parse tree'
List <InputExpression> expTree = new List <InputExpression>();
expTree.Add(new HundredExpression());
expTree.Add(new TensExpression());
expTree.Add(new UnitExpression());
// Interpret the valid input
foreach (InputExpression inputExp in expTree)
{
inputExp.Interpret(context);
}
Console.WriteLine("Original Input {0} is interpreted as {1}", context.GetInput, context.SetOutput);
}
Console.ReadLine();
}
