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-rw-r--r--util/datamanager.lua66
1 files changed, 37 insertions, 29 deletions
diff --git a/util/datamanager.lua b/util/datamanager.lua
index 754c5620..e5a74acd 100644
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -8,6 +8,12 @@ local io_open = io.open;
local tostring = tostring;
local error = error;
+local indent = function(f, i)
+ for n = 1, i do
+ f:write("\t");
+ end
+end
+
module "datamanager"
@@ -29,34 +35,36 @@ do
end
local function basicSerialize (o)
- if type(o) == "number" or type(o) == "boolean" then
- return tostring(o)
- else -- assume it is a string
- return format("%q", tostring(o))
- end
+ if type(o) == "number" or type(o) == "boolean" then
+ return tostring(o);
+ else -- assume it is a string -- FIXME make sure it's a string. throw an error otherwise.
+ return (format("%q", tostring(o)):gsub("\\\n", "\\n"));
+ end
end
-local function simplesave (f, o)
- if type(o) == "number" then
- f:write(o)
- elseif type(o) == "string" then
- f:write(format("%q", o))
- elseif type(o) == "table" then
- f:write("{\n")
- for k,v in pairs(o) do
- f:write(" [", basicSerialize(k), "] = ")
- simplesave(f, v)
- f:write(",\n")
- end
- f:write("}\n")
- elseif type(o) == "boolean" then
- f:write(o and "true" or "false");
- else
- error("cannot serialize a " .. type(o))
- end
- end
-
+local function simplesave (f, o, ind)
+ if type(o) == "number" then
+ f:write(o)
+ elseif type(o) == "string" then
+ f:write((format("%q", o):gsub("\\\n", "\\n")))
+ elseif type(o) == "table" then
+ f:write("{\n")
+ for k,v in pairs(o) do
+ indent(f, ind);
+ f:write("[", basicSerialize(k), "] = ")
+ simplesave(f, v, ind+1)
+ f:write(",\n")
+ end
+ indent(f, ind-1);
+ f:write("}")
+ elseif type(o) == "boolean" then
+ f:write(o and "true" or "false");
+ else
+ error("cannot serialize a " .. type(o))
+ end
+end
+
------- API -------------
function getpath(username, host, datastore)
@@ -72,13 +80,13 @@ end
function load(username, host, datastore)
local data, ret = loadfile(getpath(username, host, datastore));
if not data then
- log("warn", "Failed to load "..datastore.." storage ('"..ret.."') for user: "..(username or nil).."@"..(host or nil));
+ log("warn", "Failed to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil"));
return nil;
end
setfenv(data, {});
local success, ret = pcall(data);
if not success then
- log("error", "Unable to load "..datastore.." storage ('"..ret.."') for user: "..(username or nil).."@"..(host or nil));
+ log("error", "Unable to load "..datastore.." storage ('"..ret.."') for user: "..(username or "nil").."@"..(host or "nil"));
return nil;
end
return ret;
@@ -87,11 +95,11 @@ end
function store(username, host, datastore, data)
local f, msg = io_open(getpath(username, host, datastore), "w+");
if not f then
- log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or nil).."@"..(host or nil));
+ log("error", "Unable to write to "..datastore.." storage ('"..msg.."') for user: "..(username or "nil").."@"..(host or "nil"));
return nil;
end
f:write("return ");
- simplesave(f, data);
+ simplesave(f, data, 1);
f:close();
return true;
end