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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;
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