--- Prosody IM v0.4
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
local t_concat = table.concat;
local error = error;
local pairs = pairs;
+local next = next;
+local debug_traceback = debug.traceback;
+local log = require "util.logger".init("serialization");
module "serialization"
local indent = function(i)
elseif type(o) == "string" then
func(t, (("%q"):format(o):gsub("\\\n", "\\n")));
elseif type(o) == "table" then
- func(t, "{\n");
- for k,v in pairs(o) do
- func(t, indent(ind));
- func(t, "[");
- func(t, basicSerialize(k));
- func(t, "] = ");
- if ind == 0 then
- _simplesave(v, 0, t, func);
- else
- _simplesave(v, ind+1, t, func);
+ if next(o) ~= nil then
+ func(t, "{\n");
+ for k,v in pairs(o) do
+ func(t, indent(ind));
+ func(t, "[");
+ func(t, basicSerialize(k));
+ func(t, "] = ");
+ if ind == 0 then
+ _simplesave(v, 0, t, func);
+ else
+ _simplesave(v, ind+1, t, func);
+ end
+ func(t, ";\n");
end
- func(t, ",\n");
+ func(t, indent(ind-1));
+ func(t, "}");
+ else
+ func(t, "{}");
end
- func(t, indent(ind-1));
- func(t, "}");
elseif type(o) == "boolean" then
func(t, (o and "true" or "false"));
else
- error("cannot serialize a " .. type(o))
+ log("error", "cannot serialize a %s: %s", type(o), debug_traceback())
+ func(t, "nil");
end
end