diff -r 0ae8584ba3e7 -r 8ff454831f7d util/datamanager.lua
--- a/util/datamanager.lua	Thu Dec 25 05:16:11 2008 +0500
+++ b/util/datamanager.lua	Thu Dec 25 06:35:05 2008 +0500
@@ -26,11 +26,13 @@
 local log = require "util.logger".init("datamanager");
 local io_open = io.open;
 local os_remove = os.remove;
+local io_popen = io.popen;
 local tostring, tonumber = tostring, tonumber;
 local error = error;
 local next = next;
 local t_insert = table.insert;
 local append = require "util.serialization".append;
+local path_separator = "/"; if os.getenv("WINDIR") then path_separator = "\\" end
 
 module "datamanager"
 
@@ -48,21 +50,37 @@
 	end
 end
 
+local _mkdir = {};
+local function mkdir(path)
+	path = path:gsub("/", path_separator); -- TODO as an optimization, do this during path creation rather than here
+	if not _mkdir[path] then
+		local x = io_popen("mkdir \""..path.."\" 2>&1"):read("*a");
+		_mkdir[path] = true;
+	end
+	return path;
+end
+
+local data_path = "data";
+
 ------- API -------------
 
-local data_path = "data";
 function set_data_path(path)
 	log("info", "Setting data path to %s", path);
 	data_path = path;
 end
 
-function getpath(username, host, datastore, ext)
+function getpath(username, host, datastore, ext, create)
 	ext = ext or "dat";
+	host = host and encode(host);
+	username = username and encode(username);
 	if username then
-		return format("%s/%s/%s/%s.%s", data_path, encode(host), datastore, encode(username), ext);
+		if create then mkdir(mkdir(mkdir(data_path).."/"..host).."/"..datastore); end
+		return format("%s/%s/%s/%s.%s", data_path, host, datastore, username, ext);
 	elseif host then
-		return format("%s/%s/%s.%s", data_path, encode(host), datastore, ext);
+		if create then mkdir(mkdir(data_path).."/"..host); end
+		return format("%s/%s/%s.%s", data_path, host, datastore, ext);
 	else
+		if create then mkdir(data_path); end
 		return format("%s/%s.%s", data_path, datastore, ext);
 	end
 end
@@ -87,7 +105,7 @@
 		data = {};
 	end
 	-- save the datastore
-	local f, msg = io_open(getpath(username, host, datastore), "w+");
+	local f, msg = io_open(getpath(username, host, datastore, nil, true), "w+");
 	if not f then
 		log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil"));
 		return;
@@ -106,7 +124,7 @@
 function list_append(username, host, datastore, data)
 	if not data then return; end
 	-- save the datastore
-	local f, msg = io_open(getpath(username, host, datastore, "list"), "a+");
+	local f, msg = io_open(getpath(username, host, datastore, "list", true), "a+");
 	if not f then
 		log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil"));
 		return;
@@ -123,7 +141,7 @@
 		data = {};
 	end
 	-- save the datastore
-	local f, msg = io_open(getpath(username, host, datastore, "list"), "w+");
+	local f, msg = io_open(getpath(username, host, datastore, "list", true), "w+");
 	if not f then
 		log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil"));
 		return;