public static CommandLineBuilder UseVersionOption(
this CommandLineBuilder builder)
{
if (builder.Command.Children.GetByAlias("--version") != null)
{
return(builder);
}
var versionOption = new Option("--version", "Show version information");
builder.AddOption(versionOption);
builder.AddMiddleware(async(context, next) =>
{
if (context.ParseResult.HasOption(versionOption))
{
context.Console.Out.WriteLine(_assemblyVersion.Value);
}
else
{
await next(context);
}
}, MiddlewareOrderInternal.VersionOption);
return(builder);
}
public static CommandLineBuilder AddVersionOption(
this CommandLineBuilder builder)
{
var versionOption = new Option("--version", "Display version information");
builder.AddOption(versionOption);
builder.AddMiddleware(async(context, next) =>
{
if (context.ParseResult.HasOption(versionOption))
{
context.Console.Out.WriteLine(_assemblyVersion.Value);
}
else
{
await next(context);
}
}, CommandLineBuilder.MiddlewareOrder.Preprocessing);
return(builder);
}
public static CommandLineBuilder ConfigureFromType <T>(
this CommandLineBuilder builder,
MethodInfo onExecuteMethod = null)
where T : class
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
var typeBinder = new TypeBinder(typeof(T));
foreach (var option in typeBinder.BuildOptions())
{
builder.AddOption(option);
}
builder.Handler = new TypeBindingCommandHandler(
onExecuteMethod,
typeBinder);
return(builder);
}