added 'empty' commands (e.g /stop)

CmdMgrTest.java

@@ -17,6 +17,12 @@ public class CmdMgrTest extends JavaPlugin {
 		
 	}
 	
+	@Command(hook="home_empty")
+	public boolean executeHomeNull(CommandSender sender) {
+		sender.sendMessage("You executed an empty /home");
+		return true;
+	}
+	
 	@Command(hook="home_set")
 	public boolean executeSetHome(CommandSender sender, String name) {
 		sender.sendMessage("You executed:");

com/nemez/cmdmgr/CommandManager.java

@@ -18,6 +18,7 @@ import com.nemez.cmdmgr.component.ByteComponent;
 import com.nemez.cmdmgr.component.ChainComponent;
 import com.nemez.cmdmgr.component.ConstantComponent;
 import com.nemez.cmdmgr.component.DoubleComponent;
+import com.nemez.cmdmgr.component.EmptyComponent;
 import com.nemez.cmdmgr.component.FloatComponent;
 import com.nemez.cmdmgr.component.ICommandComponent;
 import com.nemez.cmdmgr.component.IntegerComponent;
@@ -433,10 +434,16 @@ public class CommandManager {
 					insideType = false;
 					/* current argument type is null, throw an error */
 					if (currentArgComp == null) {
+						currentArgComp = resolveComponentType(buffer.toString());
+						buffer = new StringBuilder();
+						if (currentArgComp instanceof EmptyComponent) {
+							
+						}else{
 							/* should never happen */
 							plugin.getLogger().log(Level.WARNING, "Type error at line " + line + ": Type has no type?");
 							errors = true;
 							return false;
+						}
 					}else{
 						/* set the value of the current type and reset the buffer */
 						currentArgComp.argName = buffer.toString();
@@ -519,6 +526,9 @@ public class CommandManager {
 		case "opt":
 		case "flag":
 			return new OptionalComponent();
+		case "empty":
+		case "null":
+			return new EmptyComponent();
 		}
 		return null;
 	}

com/nemez/cmdmgr/component/EmptyComponent.java

@@ -0,0 +1,19 @@
+package com.nemez.cmdmgr.component;
+
+public class EmptyComponent extends ArgumentComponent {
+
+	@Override
+	public Object get(String input) {
+		return "";
+	}
+
+	@Override
+	public boolean valid(String input) {
+		return true;
+	}
+	
+	@Override
+	public String getComponentInfo() {
+		return "<empty>";
+	}
+}

com/nemez/cmdmgr/util/Executable.java

@@ -192,10 +192,14 @@ public class Executable extends org.bukkit.command.Command {
 						index++;
 					}
 				}
+			}else{
+				if (s.equals("<empty>")) {
+					
 				}else{
 					command.add(new ConstantComponent(s));
 				}
 			}
+		}
 		
 		for (Method m : methods) {
 			Command[] annotations = m.getAnnotationsByType(Command.class);
@@ -265,6 +269,10 @@ public class Executable extends org.bukkit.command.Command {
 	
 	@Override
 	public boolean execute(CommandSender sender, String name, String[] args_) {
+		String[] args;
+		if (args_.length == 0) {
+			args = new String[0];
+		}else{
 			char[] rawArgs = (String.join(" ", args_) + ' ').toCharArray();
 			int argSize = 0;
 			char last = '\0';
@@ -281,7 +289,7 @@ public class Executable extends org.bukkit.command.Command {
 				last = c;
 			}
 			last = '\0';
-		String[] args = new String[argSize];
+			args = new String[argSize];
 			String buffer = "";
 			int index = 0;
 
@@ -301,10 +309,24 @@ public class Executable extends org.bukkit.command.Command {
 				}
 				last = c;
 			}
-		
+		}
 		ArrayList<ExecutableDefinition> defs = new ArrayList<ExecutableDefinition>();
+		
+		if (args.length == 0) {
+			for (ExecutableDefinition d : commands) {
+				if (d.getLength(0) == 0) {
+					defs.add(d);
+					break;
+				}
+			}
+		}else{
 			defs.addAll(commands);
 			defLoop: for (int j = 0; j < defs.size(); j++) {
+				if (defs.get(j).getLength(args.length) == 0) {
+					defs.remove(j);
+					j--;
+					continue;
+				}
 				int i = 0, k = 0;
 				for (; i < args.length; i++, k++) {
 					if (!defs.get(j).valid(k, args[i])) {
@@ -323,7 +345,8 @@ public class Executable extends org.bukkit.command.Command {
 					j--;
 				}
 			}
-		if (args.length == 0 || defs.size() == 0) {
+		}
+		if (defs.size() == 0) {
 			printPage(sender, 1);
 		}else{
 			ExecutableDefinition def = defs.get(0);

com/nemez/cmdmgr/util/ExecutableDefinition.java

@@ -109,6 +109,9 @@ public class ExecutableDefinition {
 	}
 	
 	public int getLength(int argSize) {
+		if (components.size() == 0) {
+			return 0;
+		}
 		if (argSize >= components.size()) {
 			if (components.get(components.size() - 1) instanceof StringComponent) {
 				StringComponent strComp = (StringComponent) components.get(components.size() - 1);

com/nemez/cmdmgr/util/HelpPageCommand.java

@@ -10,7 +10,7 @@ public class HelpPageCommand {
 	
 	public HelpPageCommand(String perm, String usage, String description, String method, Type type) {
 		this.permission = perm;
-		this.usage = usage;
+		this.usage = usage.replaceAll("<empty>", "");
 		this.description = description;
 		this.method = method;
 		this.type = type;