Expose command handler in CommandCategory

Author: Revxrsal

common/src/main/java/revxrsal/commands/command/CommandCategory.java

@@ -3,6 +3,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;
+import revxrsal.commands.CommandHandler;
 import revxrsal.commands.annotation.Default;
 import revxrsal.commands.core.CommandPath;
 
@@ -34,6 +35,13 @@ public interface CommandCategory {
      */
     @NotNull CommandPath getPath();
 
+    /**
+     * Returns the command handler that instantiated this category
+     *
+     * @return The owning command handler
+     */
+    @NotNull CommandHandler getCommandHandler();
+
     /**
      * Returns the parent category of this category. This can be null
      * in case of root categories.

common/src/main/java/revxrsal/commands/core/BaseCommandCategory.java

@@ -3,6 +3,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;
+import revxrsal.commands.CommandHandler;
 import revxrsal.commands.command.CommandCategory;
 import revxrsal.commands.command.ExecutableCommand;
 
@@ -17,6 +18,7 @@ final class BaseCommandCategory implements CommandCategory {
     String name;
     @Nullable BaseCommandCategory parent;
     @Nullable CommandExecutable defaultAction;
+    CommandHandler handler;
 
     final Map<CommandPath, ExecutableCommand> commands = new HashMap<>();
     final Map<CommandPath, BaseCommandCategory> categories = new HashMap<>();
@@ -29,6 +31,10 @@ final class BaseCommandCategory implements CommandCategory {
         return path;
     }
 
+    @Override public @NotNull CommandHandler getCommandHandler() {
+        return handler;
+    }
+
     @Override public @Nullable CommandCategory getParent() {
         return parent;
     }

common/src/main/java/revxrsal/commands/core/CommandParser.java

@@ -53,7 +53,7 @@ public static void parse(@NotNull BaseCommandHandler handler, @NotNull Class<?>
             int id = COMMAND_ID.getAndIncrement();
             boolean isDefault = reader.contains(Default.class);
             paths.forEach(path -> {
-                for (BaseCommandCategory category : getCategories(isDefault, path)) {
+                for (BaseCommandCategory category : getCategories(handler, isDefault, path)) {
                     categories.putIfAbsent(category.path, category);
                 }
                 CommandExecutable executable = new CommandExecutable();
@@ -147,12 +147,13 @@ private static Type getInsideGeneric(Type genericType) {
         }
     }
 
-    private static Set<BaseCommandCategory> getCategories(boolean respectDefault, @NotNull CommandPath path) {
+    private static Set<BaseCommandCategory> getCategories(CommandHandler handler, boolean respectDefault, @NotNull CommandPath path) {
         if (path.size() == 1 && !respectDefault) return Collections.emptySet();
         String parent = path.getParent();
         Set<BaseCommandCategory> categories = new HashSet<>();
 
         BaseCommandCategory root = new BaseCommandCategory();
+        root.handler = handler;
         root.path = CommandPath.get(parent);
         root.name = parent;
         categories.add(root);
@@ -163,6 +164,7 @@ private static Set<BaseCommandCategory> getCategories(boolean respectDefault, @N
         for (String subcommand : path.getSubcommandPath()) {
             pathList.add(subcommand);
             BaseCommandCategory cat = new BaseCommandCategory();
+            cat.handler = handler;
             cat.path = CommandPath.get(pathList);
             cat.name = cat.path.getName();
             categories.add(cat);