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local _G = _G;
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 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)
if parsers[format] and parsers[format].load then
local f = io.open(filename);
if f then
local ok, err = parsers[format](f:read("*a"));
f:close();
return ok, err;
end
end
return false, "no parser";
end
function save(filename, format)
end
function addparser(format, parser)
if format and parser then
parsers[format] = parser;
end
end
do
parsers.lua = {};
function parsers.lua.load(data)
local env = setmetatable({}, { __index = function (t, k)
if k:match("^mod_") then
return function (settings_table)
config[__currenthost or "*"][k] = settings_table;
end;
end
return rawget(_G, k);
end});
function env.Host(name)
env.__currenthost = name;
end
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;
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