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OC-KittenOS/code/libs/serial.lua
20kdc dcd7154ec2 License 'change' (Please see #5)
This license change should only increase the amount of stuff people can do in countries where the public domain is not a valid concept.
If this license somehow restricts you as opposed to the previous one, please file an issue.
2021-01-12 12:16:50 +00:00

47 lines
1.5 KiB
Lua

-- Copyright (C) 2018-2021 by KittenOS NEO contributors
--
-- Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
-- THIS SOFTWARE.
local doSerialize = nil
function doSerialize(s)
if type(s) == "table" then
local str = "{\n"
local p = 1
for k, v in pairs(s) do
if k == p then
str = str .. doSerialize(v) .. ",\n"
p = p + 1
else
str = str .. "[" .. doSerialize(k) .. "]=" .. doSerialize(v) .. ",\n"
end
end
return str .. "}"
end
if type(s) == "string" then
return string.format("%q", s)
end
if type(s) == "number" or type(s) == "boolean" then
return tostring(s)
end
if s == nil then
return "nil"
end
error("Cannot serialize " .. type(s))
end
return {
serialize = function (x) return "return " .. doSerialize(x) end,
deserialize = function (s)
local r1, r2 = pcall(function()
return load(s, "=serial", "t", {})()
end)
if r1 then
return r2
else
return nil, tostring(r2)
end
end
}