Wed, 03 Dec 2008 19:43:59 +0100
Using new LFLAGS variable.
-- Prosody IM v0.1 -- Copyright (C) 2008 Matthew Wild -- Copyright (C) 2008 Waqas Hussain -- -- This program is free software; you can redistribute it and/or -- modify it under the terms of the GNU General Public License -- as published by the Free Software Foundation; either version 2 -- of the License, or (at your option) any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -- local _G = _G; local setmetatable, loadfile, pcall, rawget, rawset, io = setmetatable, loadfile, pcall, rawget, rawset, io; module "configmanager" local parsers = {}; local config = { ["*"] = { core = {} } }; local global_config = config["*"]; -- When host not found, use global setmetatable(config, { __index = function () return global_config; end}); local host_mt = { __index = global_config }; -- When key not found in section, check key in global's section function section_mt(section_name) return { __index = function (t, k) local section = rawget(global_config, section_name); if not section then return nil; end return section[k]; end }; end function getconfig() return config; end function get(host, section, key) local sec = config[host][section]; if sec then return sec[key]; end return nil; end function set(host, section, key, value) if host and section and key then local hostconfig = rawget(config, host); if not hostconfig then hostconfig = rawset(config, host, setmetatable({}, host_mt))[host]; end if not rawget(hostconfig, section) then hostconfig[section] = setmetatable({}, section_mt(section)); end hostconfig[section][key] = value; return true; end return false; end function load(filename, format) format = format or filename:match("%w+$"); if parsers[format] and parsers[format].load then local f, err = io.open(filename); if f then local ok, err = parsers[format].load(f:read("*a")); f:close(); return ok, err; end return f, err; end if not format then return nil, "no parser specified"; else return nil, "no parser for "..(format); end end function save(filename, format) end function addparser(format, parser) if format and parser then parsers[format] = parser; end end -- Built-in Lua parser do local loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable; local setfenv, rawget, tostring = _G.setfenv, _G.rawget, _G.tostring; parsers.lua = {}; function parsers.lua.load(data) local env; env = setmetatable({ Host = true; host = true; }, { __index = function (t, k) return rawget(_G, k) or function (settings_table) config[__currenthost or "*"][k] = settings_table; end; end, __newindex = function (t, k, v) set(env.__currenthost or "*", "core", k, v); end}); function env.Host(name) rawset(env, "__currenthost", name); set(name or "*", "core", "defined", true); end env.host = env.Host; local chunk, err = loadstring(data); if not chunk then return nil, err; end setfenv(chunk, env); local ok, err = pcall(chunk); if not ok then return nil, err; end return true; end end return _M;