core.registered_chatcommands = {}
-- Interpret the parameters of a command, separating options and arguments.
--- Input: parameters of a command
+-- Input: command, param
+-- command: name of command
+-- param: parameters of command
-- Returns: opts, args
-- opts is a string of option letters, or false on error
-- args is an array with the non-option arguments in order, or an error message
-- "cdg", {"a", "b", "e", "f"}
-- Negative numbers are taken as arguments. Long options (--option) are
-- currently rejected as reserved.
-local function getopts(param)
+local function getopts(command, param)
local opts = ""
local args = {}
for match in param:gmatch("%S+") do
if match:byte(1) == 45 then -- 45 = '-'
local second = match:byte(2)
if second == 45 then
- return false, S("Flags beginning with -- are reserved")
+ return false, S("Invalid parameters (see /help @1).", command)
elseif second and (second < 48 or second > 57) then -- 48 = '0', 57 = '9'
opts = opts .. match:sub(2)
else
end
local function do_help_cmd(name, param)
- local opts, args = getopts(param)
+ local opts, args = getopts("help", param)
if not opts then
return false, args
end