Application/AppHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
using System.Collections.Specialized;
using System.IO;
using System.Reflection;

using ComLib;
using ComLib.Logging;
using ComLib.Environments;
using ComLib.Arguments;
using ComLib.Authentication;


namespace ComLib.Application
{
    /// <summary>
    /// Utility class with methods that provide application information.
    /// </summary>
    public class AppHelper
    {
        /// <summary>
        /// <para>
        /// Handle possible "meta data" options of the application.
        /// 1. -help
        /// 2. -version
        /// 3. -pause
        /// </para>
        /// </summary>
        /// <param name="app"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        public static BoolMessageItem<Args> HandleOptions(IApp app, Args args)
        {
            BoolMessageItem<Args> result = new BoolMessageItem<Args>(args, true, string.Empty);

            // Pause the execution of application to allow attaching of debugger.
            if (args.IsPause)
            {
                Console.WriteLine("Paused for debugging ....");
                Console.ReadKey();
                result = new BoolMessageItem<Args>(args, true, string.Empty); 
            }
            else if (args.IsVersion || args.IsInfo)
            {
                AppHelper.ShowAppInfo(app);
                result = new BoolMessageItem<Args>(args, false, "Displaying description/version.");
            }
            else if (args.IsHelp)
            {
                // -help or ?
                args.ShowUsage(app.Name);
                result = new BoolMessageItem<Args>(args, false, "Displaying usage");
            }
            return result;
        }