core/configmanager.lua

changeset 376
6d87944df37c
parent 371
0dc5819660e8
child 466
0ecfd89c2cc0
--- a/core/configmanager.lua	Sun Nov 23 02:11:58 2008 +0000
+++ b/core/configmanager.lua	Sun Nov 23 02:12:46 2008 +0000
@@ -1,5 +1,7 @@
 
 local _G = _G;
+local 	setmetatable, loadfile, pcall, rawget, rawset, io = 
+		setmetatable, loadfile, pcall, rawget, rawset, io;
 module "configmanager"
 
 local parsers = {};
@@ -21,6 +23,10 @@
 							end };
 end
 
+function getconfig()
+	return config;
+end
+
 function get(host, section, key)
 	local sec = config[host][section];
 	if sec then
@@ -45,15 +51,20 @@
 end
 
 function load(filename, format)
+	format = format or filename:match("%w+$");
 	if parsers[format] and parsers[format].load then
 		local f = io.open(filename);
 		if f then 
-			local ok, err = parsers[format](f:read("*a"));
+			local ok, err = parsers[format].load(f:read("*a"));
 			f:close();
 			return ok, err;
 		end
 	end
-	return false, "no parser";
+	if not format then
+		return nil, "no parser specified";
+	else
+		return false, "no parser";
+	end
 end
 
 function save(filename, format)
@@ -65,21 +76,28 @@
 	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 = setmetatable({}, { __index = function (t, k)
-											if k:match("^mod_") then
-												return function (settings_table)
+		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
-											return rawget(_G, k);
+										end,
+								__newindex = function (t, k, v)
+											set(env.__currenthost or "*", "core", k, v);
 										end});
 		
 		function env.Host(name)
-			env.__currenthost = name;
+			rawset(env, "__currenthost", name);
+			set(name or "*", "core", "defined", true);
 		end
+		env.host = env.Host;
 		
 		local chunk, err = loadstring(data);
 		
@@ -95,8 +113,6 @@
 			return nil, err;
 		end
 		
-		
-		
 		return true;
 	end
 	

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