improve chat command definition

mods/MISC/mcl_commands/init.lua

@@ -25,9 +25,9 @@ mcl_commands.types = {
 	json         = "(.+)",
 }
 
-function mcl_commands.register_command(name, func, def)
+function mcl_commands.register_command(name, def)
 	def = def or {}
-	local cmd = mcl_commands.build(func, def)
+	local cmd = mcl_commands.build(name, def)
 	if minetest.registered_chatcommands[name] then
 		error("[mcl_commands] Failed to register command: ["..name.."] command already existing! Use mcl_commands.overide_command() if you want to overide existing command")
 	end
@@ -36,9 +36,9 @@ function mcl_commands.register_command(name, func, def)
 	return cmd
 end
 
-function mcl_commands.overide_command(name, func, def)
+function mcl_commands.overide_command(name, def)
 	def = def or {}
-	local cmd = mcl_commands.build(func, def)
+	local cmd = mcl_commands.build(name, def)
 	if minetest.registered_chatcommands[name] then
 		minetest.unregister_chatcommand(name)
 	end
@@ -61,7 +61,7 @@ end
 
 local dprint = function() end
 
-function mcl_commands.build(func, def)
+function mcl_commands.build(def)
 	local cmd = {
 		_subs = {}
 	}
@@ -174,8 +174,8 @@ function mcl_commands.build(func, def)
 		table.insert(self._subs, sub)
 	end
 
-	if func then
-		func(cmd)
+	if def.func then
+		def.func(cmd)
 	end
 
 	cmd.func = function(name, param)
@@ -218,13 +218,17 @@ function mcl_commands.build(func, def)
 				else
 					local missing_privs_str = ""
 					for i = 1, #missing_privs do
+						if not i == #missing_privs then
 							missing_privs_str = missing_privs_str..missing_privs[i].." "
+						else
+							missing_privs_str = missing_privs_str..missing_privs[i]
+						end
 					end
 					return false, "You don't have permission to run this command (missing privilege: "..missing_privs_str..")" --TODO:replace message
 				end
 			end
 		end
-		return false, "Invalid command"
+		return false, "Invalid parameters: "
 	end
 	if not def.params then
 		def.params = ""

mods/MISC/mcl_commands/say.lua

@@ -4,15 +4,31 @@ minetest.register_privilege("announce", {
 	description = S("Can use /say"),
 	give_to_singleplayer = false,
 })
-minetest.register_chatcommand("say", {
-	params = S("<message>"),
-	description = S("Send a message to every player"),
-	privs = {announce=true},
-	func = function(name, param)
-		if not param then
-			return false, S("Invalid usage, see /help say.")
-		end
-		minetest.chat_send_all(("["..name.."] "..param))
+
+mcl_commands.register_command("say", function(cmd)
+    cmd:sub(":message:text",  {
+		func = function(name, message)
+			minetest.chat_send_all(("["..name.."] "..message))
 			return true
+		end})
 	end,
+	{
+    description = S("Send a message to every player"),
+	params = S("<message>"),
+    privs = {
+        announce = true,
+    }
+})
+
+mcl_commands.register_command("say", {
+	func = function(cmd)
+		cmd:sub(":message:text",  {
+			func = function(name, message)
+			minetest.chat_send_all(("["..name.."] "..message))
+			return true
+		end})
+	end,
+    description = S("Send a message to every player"),
+	params = S("<message>"),
+    privs = {announce = true},
 })

mods/MISC/mcl_commands/title.lua

@@ -103,7 +103,8 @@ function mcl_title.reset(playername)
 	end
 end
 
-mcl_commands.register_command("title", function(cmd)
+mcl_commands.register_command("title", {
+	func = function(cmd)
 		cmd:sub(":name:username title :params:json", {
 			func = function(name, target, json)
 				return mcl_title.set(target, "title", json)
@@ -134,10 +135,8 @@ mcl_commands.register_command("title", function(cmd)
 				return mcl_title.reset(target)
 			end,
 		})
-end, {
+	end,
     description = "Controls text displayed on the screen.",
 	params = "<target> command <params>",
-    privs = {
-        server = true,
-    }
+    privs = {server = true},
 })