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using System;
namespace productlist
{
public static class UI
{
public enum inputType {
create,
delete,
list,
help,
dump,
load
}
private static inputType decodeInputType(string input) {
string command = input.Split (null, 1)[0];
switch (command.ToLower()) {
case "create":
return inputType.create;
case "delete":
return inputType.delete;
case "list":
return inputType.list;
default:
case "help":
return inputType.help;
case "dump":
return inputType.dump;
case "load":
return inputType.load;
}
}
public static bool validateInt(string input) {
int result;
return Int32.TryParse (input, out result);
}
public static bool validateString (object input) {
return input is string;
}
public static string getAnswer(string prompt, Func<string, bool> validator) {
string input;
do {
Console.Write(prompt + ": ");
input = Console.ReadLine();
} while (!validator (input));
return input;
}
public static inputType promptForCommand() {
Console.Write ("Enter command: ");
string command = Console.ReadLine ();
return decodeInputType (command);
}
}
}