local new_multitable = require "util.multitable".new;

local t_insert = table.insert;

local t_concat = table.concat;

local tostring = tostring;

local unpack = unpack;

local pairs = pairs;

local error = error;

local type = type;

local _G = _G;

local data = new_multitable();

module "objectmanager"

function set(...)

	return data:set(...);

end

function remove(...)

	return data:remove(...);

end

function get(...)

	return data:get(...);

end

local function get_path(path)

	if type(path) == "table" then return path; end

	local s = {};

	for part in tostring(path):gmatch("[%w_]+") do

		t_insert(s, part);

	end

	return s;

end

function get_object(path)

	path = get_path(path)

	return data:get(unpack(path)), path;

end

function set_object(path, object)

	path = get_path(path);

	data:set(unpack(path), object);

end

data:set("ls", function(_dir)

	local obj, dir = get_object(_dir);

	if not obj then error("object not found: " .. t_concat(dir, '/')); end

	local r = {};

	if type(obj) == "table" then

		for key, val in pairs(obj) do

			r[key] = type(val);

		end

	end

	return r;

end);

data:set("get", get_object);

data:set("set", set_object);

data:set("echo", function(...) return {...}; end);

data:set("_G", _G);

return _M;