conf.lua

--[[
(C) PROMETHEUS TECHNLOGIES 2022

conf.lua v1.0
Lua configuration file parser
]]

conf = {}
local function loadStr(str)
    local r = {}
    for k,v in string.gmatch(str,"([%w_]+) *= *([;^]+);") do
       r[k] = v
    end
    return r
end

local function load(filename)
    local f = io.open(filename,"r")
    local s = f.read("*a")
    f:close()
    return loadStr(s)
end

local function saveStr(l)
    local r = ""
    for k,v in pairs(l) do
       r=r..string.format("%s=%s;\n",tostring(k),tostring(v))
    end
    return r
end

local function save(filename,l)
    local f = io.open(filename,"w")
    f:write(saveStr(l))
    f:flush()
    f:close()
end

conf.load = load
conf.loadStr = loadStr
conf.save = save
conf.saveStr = saveStr
conf.version = "1.0"
return conf