LaunchArgument priority

DTLib/Console/LaunchArgument.cs

@@ -8,18 +8,20 @@ public class LaunchArgument
     public string? ParamName;
     public Action? Handler;
     public Action<string>? HandlerWithArg;
+    public int Priority;
     
-    private LaunchArgument(string[] aliases, string description)
+    private LaunchArgument(string[] aliases, string description, int priority)
     {
         Aliases = aliases;
         Description = description;
+        Priority = priority;
     }
     
-    public LaunchArgument(string[] aliases, string description, Action handler) 
+    public LaunchArgument(string[] aliases, string description, Action handler, int priority=0) 
-        : this(aliases, description) => Handler = handler;
+        : this(aliases, description, priority) => Handler = handler;
 
-    public LaunchArgument(string[] aliases, string description, Action<string> handler, string paramName)
+    public LaunchArgument(string[] aliases, string description, Action<string> handler, string paramName, int priority=0)
-        : this(aliases, description)
+        : this(aliases, description, priority)
     {
         HandlerWithArg = handler;
         ParamName = paramName;

DTLib/Console/LaunchArgumentParser.cs

@@ -87,10 +87,9 @@ public class LaunchArgumentParser
     /// <exception cref="ExitAfterHelpException">happens after help message is displayed</exception>
     public void ParseAndHandle(string[] args)
     {
+        // show help and throw
         if (args.Length == 0 && ExitIfNoArgs) 
-        {
             HelpHandler();
-        }
         
         for (int i = 0; i < args.Length; i++)
         {
@@ -100,11 +99,18 @@ public class LaunchArgumentParser
             {
                 if (i+1 >= args.Length)
                     throw new Exception($"argument <{args[i]}> should have a parameter after it");
-                arg.HandlerWithArg(args[++i]);
+                i++; // next arg
+                arg.Handler = () => arg.HandlerWithArg(args[i]);
             }
-            else if (arg.Handler is not null)
+            else if (arg.Handler is null)  throw new NullReferenceException($"argument <{args[i]}> hasn't got any handlers");
-                arg.Handler();
+        }
-            else throw new NullReferenceException($"argument <{args[i]}> hasn't got any handlers");
+        
+        // ascending sort by priority
+        argList.Sort((a0, a1) => a0.Priority-a1.Priority);
+        // finally executing handlers
+        foreach (var a in argList)
+        {
+            a.Handler!();
         }
     }
 }

DTLib/DTLib.csproj

@@ -2,7 +2,7 @@
 	<PropertyGroup>
 		<!--package info-->
 		<PackageId>DTLib</PackageId>
-		<Version>1.0.2</Version>
+		<Version>1.0.3</Version>
 		<Authors>Timerix</Authors>
 		<Description>Library for all my C# projects</Description>
 		<RepositoryType>GIT</RepositoryType>