1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
-- Prosody IM v0.1
-- Copyright (C) 2008 Matthew Wild
-- Copyright (C) 2008 Waqas Hussain
--
-- This program is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License
-- as published by the Free Software Foundation; either version 2
-- of the License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
--
local indent = function(i)
return string.rep("\t", i);
end
local function basicSerialize (o)
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 (string.format("%q", tostring(o)):gsub("\\\n", "\\n"));
end
end
local function _simplesave (o, ind, t)
if type(o) == "number" then
table.insert(t, tostring(o));
elseif type(o) == "string" then
table.insert(t, (string.format("%q", o):gsub("\\\n", "\\n")));
elseif type(o) == "table" then
table.insert(t, "{\n");
for k,v in pairs(o) do
table.insert(t, indent(ind));
table.insert(t, "[");
table.insert(t, basicSerialize(k));
table.insert(t, "] = ");
_simplesave(v, ind+1, t);
table.insert(t, ",\n");
end
table.insert(t, indent(ind-1));
table.insert(t, "}");
elseif type(o) == "boolean" then
table.insert(t, (o and "true" or "false"));
else
error("cannot serialize a " .. type(o))
end
end
local t_concat = table.concat;
module "serialize"
function serialize(o)
local t = {};
_simplesave(o, 1, t);
return t_concat(t);
end
return _M;
|
