Using Mono.Options to parse command line arguments and provide a global static configuration system.

WifiSitter/Configuration.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Mono.Options;
+
+
+namespace WifiSitter
+{
+    public static class Configuration
+    {
+        private static Dictionary<string, object> _options;
+        
+        public static void SetOptions(string[] args) {
+            _options = new Dictionary<string, object>();
+
+            bool showHelp = false;
+            bool enableIPC = false;
+            string mode = String.Empty;
+
+            var opts = new OptionSet() {
+                {"h|?|help", "Show this help and exit.",
+                    v => showHelp = v != null },
+                {"i|ipc", "Enable IPC communication for GUI.",
+                    v => enableIPC = v != null},
+                {"console|service", "Direct wifisitter mode of operation.",
+                    v => mode = v },
+                {"setupservice|install|uninstall|uninstallprompt", "Select wifisitter install/setup operation.",
+                    v => mode = v }
+            };
+            try {
+                opts.Parse(args);
+            }
+            catch (OptionException e) {
+                ShowHelp(opts, 1);
+                return;
+            }
+
+            if (showHelp) ShowHelp(opts);
+
+            _options.Add("enable_ipc", enableIPC);
+            _options.Add("operating_mode", mode);
+        }
+
+        public static object GetOption(string key) {
+            if (!_options.ContainsKey(key)) return null;
+            return _options[key];
+        }
+
+        public static bool OptionsSet { get { return _options != null; } }
+
+        public static void ShowHelp(OptionSet opts, int exitCode = 0) {
+            Console.WriteLine("Usage: wifisitter.exe [option] [directive]");
+            Console.WriteLine();
+            Console.WriteLine("Wifisitter needs a directive to know whether it's");
+            Console.WriteLine("running as a service or command line process.");
+            Console.WriteLine();
+            Console.WriteLine("Options:");
+            opts.WriteOptionDescriptions(Console.Out);
+
+            Environment.Exit(exitCode);
+        }
+    }
+}