public static IEnumerable <ICommand> GetCommands(ICommand parent, IObjectProvider objectProvider, IEnumerable <IOption> inheritedOptions)
{
var commandObjects = objectProvider.Type.GetMembers(
System.Reflection.BindingFlags.Public |
System.Reflection.BindingFlags.NonPublic |
System.Reflection.BindingFlags.Instance |
System.Reflection.BindingFlags.Static)
.Where(_ => _.MemberType == System.Reflection.MemberTypes.Property || _.MemberType == System.Reflection.MemberTypes.Field)
.SelectMany(member => GetCommands(parent, objectProvider, member, inheritedOptions))
.Where(_ => _ != null)
.ToList();
return(objectProvider.Type.GetMethods(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Static)
.SelectMany(_ => MethodCommand.Create(parent, objectProvider, _, inheritedOptions).ToEnumerable())
.Concat(commandObjects)
.ToList());
}
public static Maybe <ICommand> Create(ICommand parent, IObjectProvider containingObject, MethodInfo method, IEnumerable <IOption> inheritedOptions)
{
if (inheritedOptions == null)
{
throw new ArgumentNullException(nameof(inheritedOptions));
}
return(method
.GetUsage()
.Select(usage =>
{
var help = new HelpOption();
var helpCommand = new ObjectCommandSource(null, ObjectProvider.Create(help));
var c = new MethodCommand(parent, containingObject, method, helpCommand.Options.Concat(inheritedOptions));
help.Command = c;
return (ICommand)c;
}));
}
