dotnet-installer/src/dotnet/DotNetTopLevelCommandBase.cs
2017-03-23 08:15:41 -07:00

55 lines
No EOL
1.7 KiB
C#

// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.DotNet.Cli.CommandLine;
using Microsoft.DotNet.Cli.Utils;
using Microsoft.DotNet.Tools;
namespace Microsoft.DotNet.Cli
{
public abstract class DotNetTopLevelCommandBase
{
protected abstract string CommandName { get; }
protected abstract string FullCommandNameLocalized { get; }
protected abstract string ArgumentName { get; }
protected abstract string ArgumentDescriptionLocalized { get; }
protected ParseResult ParseResult { get; private set; }
internal abstract Dictionary<string, Func<AppliedOption, CommandBase>> SubCommands { get; }
public int RunCommand(string[] args)
{
DebugHelper.HandleDebugSwitch(ref args);
var parser = Parser.Instance;
ParseResult = parser.ParseFrom($"dotnet {CommandName}", args);
ParseResult.ShowHelpIfRequested();
var subcommandName = ParseResult.Command().Name;
try
{
var create = SubCommands[subcommandName];
var command = create(ParseResult["dotnet"][CommandName]);
return command.Execute();
}
catch (KeyNotFoundException)
{
throw new GracefulException(CommonLocalizableStrings.RequiredCommandNotPassed);
}
catch (GracefulException e)
{
Reporter.Error.WriteLine(e.Message.Red());
ParseResult.ShowHelp();
return 1;
}
}
}
}