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CommandHandler.cs
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// 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.CommandLine.Binding;
using System.Reflection;
using System.Threading.Tasks;
namespace System.CommandLine.Invocation
{
public static class CommandHandler
{
public static ICommandHandler Create(Delegate @delegate) =>
HandlerDescriptor.FromDelegate(@delegate).GetCommandHandler();
public static ICommandHandler Create(MethodInfo method, object? target = null) =>
HandlerDescriptor.FromMethodInfo(method, target).GetCommandHandler();
public static ICommandHandler Create(Action action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T>(
Action<T> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2>(
Action<T1, T2> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3>(
Action<T1, T2, T3> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4>(
Action<T1, T2, T3, T4> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5>(
Action<T1, T2, T3, T4, T5> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6>(
Action<T1, T2, T3, T4, T5, T6> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7>(
Action<T1, T2, T3, T4, T5, T6, T7> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8>(
Action<T1, T2, T3, T4, T5, T6, T7, T8> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(
Action<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create(Func<int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T>(
Func<T, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2>(
Func<T1, T2, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3>(
Func<T1, T2, T3, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4>(
Func<T1, T2, T3, T4, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5>(
Func<T1, T2, T3, T4, T5, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6>(
Func<T1, T2, T3, T4, T5, T6, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7>(
Func<T1, T2, T3, T4, T5, T6, T7, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, int> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create(Func<Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T>(
Func<T, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2>(
Func<T1, T2, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3>(
Func<T1, T2, T3, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4>(
Func<T1, T2, T3, T4, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5>(
Func<T1, T2, T3, T4, T5, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6>(
Func<T1, T2, T3, T4, T5, T6, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7>(
Func<T1, T2, T3, T4, T5, T6, T7, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, Task> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create(Func<Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T>(
Func<T, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2>(
Func<T1, T2, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3>(
Func<T1, T2, T3, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4>(
Func<T1, T2, T3, T4, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5>(
Func<T1, T2, T3, T4, T5, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6>(
Func<T1, T2, T3, T4, T5, T6, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7>(
Func<T1, T2, T3, T4, T5, T6, T7, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler Create<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(
Func<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, Task<int>> action) =>
HandlerDescriptor.FromDelegate(action).GetCommandHandler();
public static ICommandHandler FromBindingContext<THandler>()
where THandler : ICommandHandler =>
Create((InvocationContext context, THandler handler) => handler.InvokeAsync(context));
internal static async Task<int> GetExitCodeAsync(object value, InvocationContext context)
{
switch (value)
{
case Task<int> exitCodeTask:
return await exitCodeTask;
case Task task:
await task;
return context.ExitCode;
case int exitCode:
return exitCode;
case null:
return context.ExitCode;
default:
throw new NotSupportedException();
}
}
}
}