public string Process(Command command)
{
switch (command.Name)
{
case "find":
{
return this.ListEntries(command.Arguments);
}
default:
{
throw new ArgumentException("Invalid command: " + command.Name, "command");
}
}
}
public static Command Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException("value", "value cannot be null.");
}
int openingParenthesisIndex = value.IndexOf('(');
if (openingParenthesisIndex == -1)
{
throw new ArgumentException("Invalid command: " + value, "value");
}
string name = value.Substring(0, openingParenthesisIndex).Trim();
int closingParenthesisIndex = value.IndexOf(')');
if (closingParenthesisIndex == -1)
{
throw new ArgumentException("Invalid command: " + value, "value");
}
string argumentsList = value.Substring(
openingParenthesisIndex + 1,
closingParenthesisIndex - openingParenthesisIndex - 1).Trim();
string[] arguments = argumentsList.Split(new char[] { ',' });
for (int i = 0; i < arguments.Length; i++)
{
arguments[i] = arguments[i].Trim();
}
Command command = new Command(name, arguments);
return command;
}