prosody
b86082df0bc0
tools/serialize.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Comparison

tools/serialize.lua @ 482:b86082df0bc0

ejabberd db dump importer for Prosody
author Waqas Hussain <waqas20@gmail.com>
date Sat, 29 Nov 2008 23:59:27 +0500
child 519:cccd610a0ef9
comparison
equal deleted inserted replaced
478:3abf90751a8f 482:b86082df0bc0
1
2 local indent = function(i)
3 return string.rep("\t", i);
4 end
5 local function basicSerialize (o)
6 if type(o) == "number" or type(o) == "boolean" then
7 return tostring(o);
8 else -- assume it is a string -- FIXME make sure it's a string. throw an error otherwise.
9 return (string.format("%q", tostring(o)):gsub("\\\n", "\\n"));
10 end
11 end
12 local function _simplesave (o, ind, t)
13 if type(o) == "number" then
14 table.insert(t, tostring(o));
15 elseif type(o) == "string" then
16 table.insert(t, (string.format("%q", o):gsub("\\\n", "\\n")));
17 elseif type(o) == "table" then
18 table.insert(t, "{\n");
19 for k,v in pairs(o) do
20 table.insert(t, indent(ind));
21 table.insert(t, "[");
22 table.insert(t, basicSerialize(k));
23 table.insert(t, "] = ");
24 _simplesave(v, ind+1, t);
25 table.insert(t, ",\n");
26 end
27 table.insert(t, indent(ind-1));
28 table.insert(t, "}");
29 elseif type(o) == "boolean" then
30 table.insert(t, (o and "true" or "false"));
31 else
32 error("cannot serialize a " .. type(o))
33 end
34 end
35 local t_concat = table.concat;
36
37 module "serialize"
38
39 function serialize(o)
40 local t = {};
41 _simplesave(o, 1, t);
42 return t_concat(t);
43 end
44
45 return _M;