ArgumentHelper.cs

namespace Microsoft.ComponentDetection.Orchestrator;

using System.Collections.Generic;
using System.Linq;
using CommandLine;
using Microsoft.ComponentDetection.Orchestrator.Commands;

public class ArgumentHelper : IArgumentHelper
{
    private readonly IEnumerable<ScanSettings> argumentSets;

    public ArgumentHelper(IEnumerable<ScanSettings> argumentSets) => this.argumentSets = argumentSets;

    public static IDictionary<string, string> GetDetectorArgs(IEnumerable<string> detectorArgsList)
    {
        var detectorArgs = new Dictionary<string, string>();

        foreach (var arg in detectorArgsList)
        {
            var keyValue = arg.Split('=');

            if (keyValue.Length != 2)
            {
                continue;
            }

            detectorArgs.Add(keyValue[0], keyValue[1]);
        }

        return detectorArgs;
    }

    public ParserResult<object> ParseArguments(string[] args)
    {
        return Parser.Default.ParseArguments(args, this.argumentSets.Select(x => x.GetType()).ToArray());
    }

    public ParserResult<T> ParseArguments<T>(string[] args, bool ignoreInvalidArgs = false)
    {
        var p = new Parser(x =>
        {
            x.IgnoreUnknownArguments = ignoreInvalidArgs;

            // This is not the main argument dispatch, so we don't want console output.
            x.HelpWriter = null;
        });

        return p.ParseArguments<T>(args);
    }
}