From 4f4129d52df7ae37f4e65c3dfae7d08728d3e741 Mon Sep 17 00:00:00 2001 From: Waqas Hussain Date: Sun, 8 Mar 2009 01:07:29 +0500 Subject: Added core.objectmanager --- core/objectmanager.lua | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 core/objectmanager.lua (limited to 'core/objectmanager.lua') diff --git a/core/objectmanager.lua b/core/objectmanager.lua new file mode 100644 index 00000000..b8e5eb3f --- /dev/null +++ b/core/objectmanager.lua @@ -0,0 +1,60 @@ + +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; -- cgit v1.2.3