Question

I want to convert this C++ code to C#:

typedef struct consoleCommand_s 
{
    char* cmd          ;
    void (*function)() ;
} consoleCommand_t     ;



static consoleCommand_t commands[] = 
{
    {"clientlist", &CG__Clientlist},
    {"say", &CG_Say},
    {"nick", &CG_Nick},
    {"logout", &CG_Logout}
} ;

// e.g.
static void CG_Logout(void)
{
    // Logout
}

The closest i have come is this:

 public class Class1
    {
        // public delegate int Calculate (int value1, int value2);
        public delegate void fnCommand_t();

        public class consoleCommand_t
        {
            public string strCommandName; 
            public fnCommand_t fnCommand;

            public consoleCommand_t(string x, fnCommand_t y)
            {
                this.strCommandName = x;
                this.fnCommand = y;
            } // End Constructor

        } // End Class consoleCommand_t


        public static void Nick()
        {
            Console.WriteLine("Changing Nick");
        } // End Sub


        public static void Logout()
        {
            Console.WriteLine("Logging out");
        } // End Sub

        // string[] names = new string[] {"Matt", "Joanne", "Robert"};
        public consoleCommand_t[] commands = new consoleCommand_t[] {
            new consoleCommand_t("Nick",   Nick),
            new consoleCommand_t("Logout", Logout)
        };





    } // End Class Class1

Now I wanted to ask:

A) Why does Nick & Logout need to be static when all the rest is not ?
B) Is there no C-like way to initialize the commands array, that is, without new ?

Answer 1

You could do without having a class INSIDE another class and manage your default console commands in another.

public delegate void ConsoleCmd();

public class DefaultCommands
{
    public static void Nick()
    {
        Console.WriteLine("I'm Nick!");
    }

    public static void LogOut()
    {
        Console.WriteLine("You're Fired!");
    }
}

public class Console
{
    private Dictionary<string, ConsoleCmd> mCommands;

    public Console()
    {
        mCommands = new Dictionary<string, ConsoleCmd>();
        mCommands.Add("Nick", DefaultCommands.Nick);
        mCommands.Add("Logout", DefaultCommands.LogOut);
    }
}

Accessing your commands would be as easy as:

ConsoleCmd command = mCommands["Nick"];
command();

EDIT: Failed to mention this. This is to point to the OP that there are other better methods to achieve what he wants to do. And probably doesn’t answer his question but I hope will point him to the right direction in terms of his switch from functional programming language to purely object-oriented language.