keep_alive_option has no value

CSharp · Console

/Program.cs

using System;
using CommandLine;
using System.Linq;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		//when I change LINE_NUMBER value from 1 KEEP_ALIVE_OPTION is recognized somehow
		var args = new string[] {"/SCRIPT_NAME=DEALER_TRACK_KEEP_ALIVE", "/OEM_FAMILY=GM", "/COMPLAINT_CODE=\"0131\"", "/OUT_DIR=C:\\\\Applications\\\\DataFiles\\\\", "/KEEP_ALIVE_OPTION=1", "/STORY=\"Lorem ipsum #UPDATE#dolor sit amet\"", "/DEALER_TRACK_LOGIN_URL=https://blah", 
								 "/DEALER_TRACK_UserID=myId", "/DEALER_TRACK_Password=myPwd12", "/DEALER_TRACK_ADVISOR_PASSWORD=\"asd\"", "/DEALER_TRACK_COMPANY_NUMBER=\"TT\"", "/RO_NUMBER=3464990", "/LINE_NUMBER=1", "/CAUSAL_PART_NUMBER=\"11546959:SL-N-BOLT (00293-CKT)\""};
		new ScriptFactory().GetScriptData(args);
		Console.WriteLine("Hello World");
	}
}

public class ScriptFactory
{
	public KeyValuePair<Type, IScriptOptions> GetScriptData(string[] args)
	{
		string scriptName = args[0].Split('=')[1];
		IScriptOptions options = default;


		ParserResult<DTKeepAliveOptions> parseRes = Parse<DTKeepAliveOptions>(args)
			.WithParsed(keepAliveOptions => Console.WriteLine("success"))
			.WithNotParsed(errs => HandleParseError(typeof(DTKeepAlive), errs));

		return new KeyValuePair<Type, IScriptOptions>(typeof(DTKeepAlive), options);
	}

	public ParserResult<T> Parse<T>(string[] args) where T : IScriptOptions
	{
		Parser parser = new(s =>
							{
								s.CaseSensitive = false;
								s.IgnoreUnknownArguments = true;
								s.HelpWriter = Parser.Default.Settings.HelpWriter;
							});

		var scriptOptions = new List<string>();

		for (int i = 0; i < args.Length; i++)
		{
			//1st element is a script name;
			if (i > 0 && !args[i].EndsWith('='))
			{
				//do not add to scriptOptions with no value
				string option = $"--{args[i].TrimStart('/')}";

				scriptOptions.Add(option);
			}
		}

		return parser.ParseArguments<T>(scriptOptions);
	}

	private void HandleParseError(Type scriptType, IEnumerable<Error> errors)
	{
		var namedErrs = errors.Cast<NamedError>();
		string exceptionText = string.Empty;
		string errorParamsString = string.Empty;

		var missedParamsNames = namedErrs.Where(e => e.Tag == ErrorType.MissingRequiredOptionError);

		if (missedParamsNames.Any())
		{
			foreach (var err in missedParamsNames)
			{
				errorParamsString += err.NameInfo.NameText + " ";
			}

			exceptionText = $"Missed required parameter(s) {errorParamsString}for the {scriptType.Name} script";
		}
		else
		{
			foreach (var err in namedErrs)
			{
				errorParamsString += err.NameInfo.NameText + " ";
			}

			exceptionText = $"Error in parameters {errorParamsString} for the {scriptType.Name} script";
		}

		throw new Exception(exceptionText);
	}
}


public class DTLoginOptions
    {

	[Option]
	public string LINE_NUMBER {get;set;}
	
	
        [Option(Required = true)]
        public string DEALER_TRACK_LOGIN_URL { get; set; }
        [Option(Required = true)]
        public string DEALER_TRACK_ADVISOR_PASSWORD { get; set; }
        [Option(Required = true)]
        public string DEALER_TRACK_COMPANY_NUMBER { get; set; }
        [Option(Required = true)]
        public string OUT_DIR { get; set; }
        [Option(Required = true)]
        public string DEALER_TRACK_UserID { get; set; }
        [Option(Required = true)]
        public string DEALER_TRACK_Password { get; set; }
    }

public class DTKeepAliveOptions : DTLoginOptions, IScriptOptions
    {
        [Option(Required = true)]
        public string KEEP_ALIVE_OPTION { get; set; }
    }
	
public interface IScriptOptions
    {
    }

public class DTKeepAlive {}