public void AddSubcommand(ICommand command, string?group = null)
{
ThrowUtil.ThrowIfArgumentNull(command);
if (Subcommands.FindIndex(item => item.Name == command.Name) >= 0)
{
throw new ArgumentException($"Command with same name '{command.Name}' already exists.");
}
group ??= BUILTIN_GROUP;
if (mGroups.FindIndex(item => item == group) < 0)
{
// 越早注册的group排序越靠前
mGroups.Add(group);
}
var commands = mGroup2Subcommands.AddOrCreateValue(group, () => new PriorityList <Tuple <ICommand, int> >((tuple1, tuple2) => tuple2.Item2 - tuple1.Item2));
commands.Add(new Tuple <ICommand, int>(command, 0));
// 有Subcommand才有Help
if (!mAddHelp)
{
mMethods.Add(new Tuple <MethodSpecs, Func <object?>?, int>(new MethodSpecs(typeof(Command).GetMethodThrow(nameof(_HelpMethod))), () => this, -1)); // 保证help在最后
mAddHelp = true;
var helpCommand = new Command("help", "帮助");
helpCommand.AddMethod(typeof(Command), nameof(_HelpCommand), this);
AddSubcommand(helpCommand);
}
}
public static object?InvokeMethod(
CommandLineSerializer serializer,
Type type,
string methodName,
object?obj,
LinkedList <string> argList)
{
var method = type.GetMethod(methodName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);
ThrowUtil.ThrowIfArgumentNull(method);
return(InvokeMethod(serializer, method, obj, argList));
}
public static bool TryFind <T>(this IReadOnlyList <T> list, Predicate <T> match, out T result)
#endif
{
ThrowUtil.ThrowIfArgumentNull(list);
ThrowUtil.ThrowIfArgumentNull(match);
result = default;
foreach (var item in list)
{
if (match(item))
{
result = item;
return(true);
}
}
return(false);
}
public static void SwapItem <T>(this IList <T> list, int targetIndex, Func <T, bool> predicate)
{
ThrowUtil.ThrowIfArgumentNull(list);
ThrowUtil.ThrowIfArgumentNull(predicate);
if (targetIndex >= list.Count)
{
throw new ArgumentOutOfRangeException(nameof(targetIndex));
}
var index = list.FindIndex(predicate);
if (index < 0 || index == targetIndex)
{
return;
}
T v = list[targetIndex];
list[targetIndex] = list[index];
list[index] = v;
}
public void AddMethod(MethodBase method, Func <object?>?objGetter = null)
{
ThrowUtil.ThrowIfArgumentNull(method);
mMethods.Add(new Tuple <MethodSpecs, Func <object?>?, int>(new MethodSpecs(method), objGetter, 0));
}