- Add Result Code and Help function

Commander.NET/Command.cs

@@ -0,0 +1,126 @@
+using System.Text;
+
+namespace Commander_Net;
+
+public class Command
+{
+    public string[] Identifiers { get; init; }
+    public Func<string, CommandResult> Method { get; init; }
+    public HelpText HelpText { get; init; }
+
+    internal readonly List<Command> subCommands = new();
+
+    internal Command(Func<string, CommandResult> method, HelpText description, string[] identifiers)
+    {
+        Method = method;
+        HelpText = description;
+        Identifiers = identifiers;
+    }
+
+    public Command()
+    {
+        Identifiers = Array.Empty<string>();
+        HelpText = string.Empty;
+        Method = new Func<string, CommandResult>((_) => CommandResult.Success);
+    }
+
+    public Command Register(Action<string> method, params string[] identifiers)
+    {
+        return Register(method, new HelpText(), identifiers);
+    }
+
+    public Command Register(Func<string, CommandResult> method, params string[] identifiers)
+    {
+        return Register(method, new HelpText(), identifiers);
+    }
+
+    public Command Register(Action<string> method, HelpText description, params string[] identifiers)
+    {
+        Func<string, CommandResult> commandMethod = (input) =>
+        {
+            method(input);
+            return new CommandResult(ResultType.Success);
+        };
+
+        return Register(commandMethod, description, identifiers);
+    }
+
+    public Command Register(Func<string, CommandResult> method, HelpText description, params string[] identifiers)
+    {
+        Command command = new Command(method, description, identifiers);
+        Register(command);
+        return command;
+    }
+
+    public Command Register(Command command)
+    {
+        subCommands.Add(command);
+        return command;
+    }
+
+    internal List<CommandResult> ExecuteMultible(string input, List<CommandResult>? commandResults = null)
+    {
+        string[] inputParts = input.Split(' ');
+        bool found = false;
+
+        commandResults ??= new List<CommandResult>();
+
+        foreach (Command? command in subCommands.Where(command => command.Identifiers.Contains(inputParts[0])))
+        {
+            command.ExecuteMultible(string.Join(' ', inputParts.Skip(1)), commandResults);
+            found = true;
+        }
+
+        if (!found)
+        {
+            CommandResult result;
+            try
+            {
+                result = Method(input);
+            }
+            catch (Exception)
+            {
+                result = new CommandResult(ResultType.UnexpectedError);
+            }
+
+            commandResults.Add(result);
+        }
+
+        return commandResults;
+    }
+
+    internal CommandResult Execute(string input)
+    {
+        string[] inputParts = input.Split(' ');
+
+        Command? command = subCommands.FirstOrDefault(command => command.Identifiers.Contains(inputParts[0]));
+
+        if (command is not null)
+        {
+            return command.Execute(string.Join(' ', inputParts.Skip(1)));
+        }
+
+        try
+        {
+            return Method(input);
+        }
+        catch (Exception)
+        {
+            return new CommandResult(ResultType.UnexpectedError);
+        }
+    }
+
+    internal string GetHelp(string input)
+    {
+        string[] inputParts = input.Split(' ');
+
+        StringBuilder helpText = new StringBuilder($"{string.Join(" | ", Identifiers)} > {HelpText?.Description}");
+
+        foreach (Command command in subCommands.Where(command => command.Identifiers.Contains(inputParts[0]) || string.IsNullOrWhiteSpace(input)))
+        {
+            helpText.Append($"{Environment.NewLine}    {command.GetHelp(string.Join(' ', inputParts.Skip(1)))}");
+        }
+
+        return helpText.ToString();
+    }
+}

Commander.NET/CommandResult.cs

@@ -0,0 +1,17 @@
+namespace Commander_Net;
+
+public class CommandResult
+{
+    public ResultType ResultType { get; }
+    public string Message { get; }
+
+    public static CommandResult Success => new CommandResult(ResultType.Success);
+    public static CommandResult InvalidInput => new CommandResult(ResultType.InvalidInput);
+    public static CommandResult InternalError => new CommandResult(ResultType.InternalError);
+
+    public CommandResult(ResultType type, string message = "")
+    {
+        ResultType = type;
+        Message = message;
+    }
+}

Commander.NET/CommandResults.cs

@@ -0,0 +1,9 @@
+namespace Commander_Net;
+
+public enum ResultType
+{
+    Success,
+    InvalidInput,
+    InternalError,
+    UnexpectedError
+}

Commander.NET/Commander.NET.csproj

@@ -4,6 +4,28 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
+    <PackageLicenseFile>LICENSE</PackageLicenseFile>
+    <PackageId>Console.$(AssemblyName)</PackageId>
+    <RootNamespace>Commander_Net</RootNamespace>
+    <RepositoryUrl>https://github.com/Stone-Red-Code/Commander.NET</RepositoryUrl>
+    <PackageTags>CLI, Console, Commands</PackageTags>
+    <Product>$(AssemblyName)</Product>
+    <AssemblyVersion>1.0.1.0</AssemblyVersion>
+    <FileVersion>1.0.1.0</FileVersion>
+    <Version>1.0.1.0</Version>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Include="..\README.md">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+    <None Include="..\LICENSE">
+      <Pack>True</Pack>
+      <PackagePath>\</PackagePath>
+    </None>
+  </ItemGroup>
+
 </Project>

Commander.NET/Commander.cs

@@ -1,45 +1,6 @@
-namespace Commander_Net;
+using System.Text;
 
-public class Command
-{
-    internal string[] Identifiers { get; }
-
-    internal readonly Action<string> method;
-    internal readonly List<Command> subCommands = new();
-
-    public Command(Action<string> method, string[] identifiers)
-    {
-        this.method = method;
-        Identifiers = identifiers;
-    }
-
-    public Command Register(Action<string> method, params string[] identifiers)
-    {
-        Command command = new Command(method, identifiers);
-        subCommands.Add(command);
-        return command;
-    }
-
-    internal void Execute(string input)
-    {
-        string[] inputParts = input.Split(' ');
-        bool found = false;
-
-        foreach (Command? command in subCommands)
-        {
-            if (command.Identifiers.Contains(inputParts[0]))
-            {
-                command.Execute(string.Join(' ', inputParts.Skip(1)));
-                found = true;
-            }
-        }
-
-        if (!found)
-        {
-            method.Invoke(input);
-        }
-    }
-}
+namespace Commander_Net;
 
 public class Commander
 {
@@ -47,25 +8,89 @@ public class Commander
 
     public Command Register(Action<string> method, params string[] identifiers)
     {
-        Command command = new Command(method, identifiers);
+        return Register(method, new HelpText(), identifiers);
+    }
+
+    public Command Register(Func<string, CommandResult> method, params string[] identifiers)
+    {
+        return Register(method, new HelpText(), identifiers);
+    }
+
+    public Command Register(Action<string> method, HelpText description, params string[] identifiers)
+    {
+        Func<string, CommandResult> commandMethod = (input) =>
+        {
+            method(input);
+            return new CommandResult(ResultType.Success);
+        };
+
+        return Register(commandMethod, description, identifiers);
+    }
+
+    public Command Register(Func<string, CommandResult> method, HelpText description, params string[] identifiers)
+    {
+        Command command = new Command(method, description, identifiers);
+        Register(command);
+        return command;
+    }
+
+    public Command Register(Command command)
+    {
         commands.Add(command);
         return command;
     }
 
-    public bool Execute(string input)
+    public bool ExecuteMultible(string input, out List<CommandResult> commandResults)
     {
+        List<CommandResult> internalCommandResults = new List<CommandResult>();
         string[] inputParts = input.Split(' ');
         bool found = false;
-
-        foreach (Command? command in commands)
+        foreach (Command? command in commands.Where(command => command.Identifiers.Contains(inputParts[0])))
         {
-            if (command.Identifiers.Contains(inputParts[0]))
-            {
-                command.Execute(string.Join(' ', inputParts.Skip(1)));
-                found = true;
-            }
+            List<CommandResult> tempCommandResults = command.ExecuteMultible(string.Join(' ', inputParts.Skip(1)));
+            internalCommandResults.AddRange(tempCommandResults);
+            found = true;
         }
 
+        commandResults = internalCommandResults;
         return found;
     }
+
+    public bool Execute(string input, out CommandResult? commandResult)
+    {
+        string[] inputParts = input.Split(' ');
+
+        Command? command = commands.FirstOrDefault(command => command.Identifiers.Contains(inputParts[0]));
+
+        if (command is null)
+        {
+            commandResult = null;
+            return false;
+        }
+
+        commandResult = command.Execute(string.Join(' ', inputParts.Skip(1)));
+        return true;
+    }
+
+    public bool GetHelp(string input, out string helpText)
+    {
+        string[] inputParts = input.Split(' ');
+
+        StringBuilder internalHelpText = new StringBuilder();
+
+        foreach (Command command in commands.Where(command => command.Identifiers.Contains(inputParts[0]) || string.IsNullOrWhiteSpace(input)))
+        {
+            internalHelpText.AppendLine(command.GetHelp(string.Join(' ', inputParts.Skip(1))));
+        }
+
+        helpText = internalHelpText.ToString();
+        return !string.IsNullOrWhiteSpace(helpText);
+    }
+
+    public bool PrintHelp(string input)
+    {
+        bool result = GetHelp(input, out string helpText);
+        Console.WriteLine(helpText.TrimEnd('\n', '\r'));
+        return result;
+    }
 }

Commander.NET/HelpText.cs

@@ -0,0 +1,19 @@
+namespace Commander_Net;
+
+public class HelpText
+{
+    public string? Description { get; init; }
+
+    public HelpText(string? description)
+    {
+        Description = description;
+    }
+
+    internal HelpText()
+    { }
+
+    public static implicit operator HelpText(string helpText)
+    {
+        return new HelpText(helpText);
+    }
+}

Commander.Test/Commander.Test.csproj

@@ -5,6 +5,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
   </PropertyGroup>
 
   <ItemGroup>

Commander.Test/Program.cs

@@ -3,17 +3,38 @@
 Console.WriteLine("Hello, World!");
 
 Commander commander = new Commander();
-Command sayCommand = commander.Register(HahaYes, "say", "tell");
+Command sayCommand = commander.Register(HahaYes, "say", "yell");
 sayCommand.Register(HahaYesSub, "kek");
 
 commander.Register(HahaNo, "scream", "yell");
 commander.Register((args) => Console.Clear(), "clear");
+commander.Register((input) => commander.PrintHelp(input) ? CommandResult.Success : CommandResult.InvalidInput, "help");
+
+Command fancyCommand = commander.Register(_ => new CommandResult(ResultType.InvalidInput, "How about no?"), "fancy");
+fancyCommand.Register(new Command()
+{
+    Identifiers = new string[] { "yes", "YES" },
+    HelpText = "Says that the input is fancy",
+
+    Method = (i) => { Console.WriteLine($"Yes, {i} is very fancy!"); return new CommandResult(ResultType.Success); }
+});
+
+fancyCommand.Register(new Command()
+{
+    Identifiers = new string[] { "no", "NO" },
+    HelpText = "Says that the input is not fancy",
+    Method = (i) => { Console.WriteLine($"Yes, {i} is not very fancy!"); return new CommandResult(ResultType.Success); }
+});
 
 while (true)
 {
-    if (!commander.Execute(Console.ReadLine()!))
+    if (commander.ExecuteMultible(Console.ReadLine()!, out List<CommandResult> commandResult))
     {
-        Console.WriteLine("Command not found!");
+        commandResult.ForEach((e) => Console.WriteLine(e.ResultType + " " + e.Message));
+    }
+    else
+    {
+        Console.WriteLine("xxx Command not found!");
     }
 }
 
@@ -27,7 +48,14 @@ void HahaYesSub(string yes)
     Console.WriteLine($">>> {yes} xD");
 }
 
-void HahaNo(string no)
+CommandResult HahaNo(string no)
 {
+    if (string.IsNullOrWhiteSpace(no))
+    {
+        return new CommandResult(ResultType.InvalidInput, "fuck off");
+    }
+
     Console.WriteLine($">>> {no.ToUpper()}");
+
+    return new CommandResult(ResultType.Success);
 }