use datalib external mod with new functions rather than internal library

api.lua

@@ -143,17 +143,10 @@ function digicompute.register_terminal(termstring, desc)
         meta:set_string("name", fields.name) -- set name
         meta:set_string("setup", "true") -- set computer to configured
         -- create filesystem
-        digicompute.file.mkdir(path.."/"..fields.name.."/os/")
-        local conf = digicompute.file.read(modpath.."/bios/conf.lua")
-        local main = digicompute.file.read(modpath.."/bios/main.lua")
-        local start = digicompute.file.read(modpath.."/bios/start.lua")
-        digicompute.file.write(path.."/"..fields.name.."/os/conf.lua", conf)
-        digicompute.file.write(path.."/"..fields.name.."/os/main.lua", main)
-        digicompute.file.write(path.."/"..fields.name.."/os/start.lua", start)
-        digicompute.file.mkdir(path.."/"..fields.name.."/user/")
-        local conf = nil -- unset
-        local main = nil -- unset
-        local start = nil -- unset
+        datalib.mkdir(path.."/"..fields.name.."/os/")
+        datalib.copy(modpath.."/bios/conf.lua", path.."/"..fields.name.."/os/conf.lua")
+        datalib.copy(modpath.."/bios/main.lua", path.."/"..fields.name.."/os/main.lua")
+        datalib.copy(modpath.."/bios/start.lua", path.."/"..fields.name.."/os/start.lua")
         -- try to run when_on
         if not dofile(path.."/"..meta:get_string("name").."/os/start.lua") then
           meta:set_string("formspec", digicompute.formspec("", "")) -- set formspec

data.lua

@@ -1,130 +0,0 @@
--- digicompute/data.lua
-digicompute.file = {}
-digicompute.file.table = {} -- internal table global
-
--- logger
-function digicompute.log(content, log_type)
-  if log_type == nil then log_type = "action" end
-  minetest.log(log_type, "[digicompute.file:digicompute.file] "..content)
-end
-
--- global path variables
-digicompute.modpath = minetest.get_modpath("digicompute") -- modpath
-digicompute.worldpath = minetest.get_worldpath() -- worldpath
-digicompute.path = digicompute.worldpath.."/digicompute" -- path for general digicompute.file storage
--- local path variables
-local modpath = digicompute.modpath
-local worldpath = digicompute.worldpath
-local path = digicompute.path
-
--- check if digicompute.file world folder exists
-function digicompute.file.initdata()
-  local f = io.open(path)
-  if not f then
-    if minetest.mkdir then
-      minetest.mkdir(path) -- create directory if minetest.mkdir is available
-      return
-    else
-      os.execute('mkdir "'..path..'"') -- create directory with os mkdir command
-      return
-    end
-  end
-  f:close() -- close file
-end
-
-digicompute.file.initdata() -- initialize world data directory
-
--- check if file exists
-function digicompute.file.exists(path)
-  local f = io.open(path, "r") -- open file
-  if f ~= nil then f:close() return true else return false end
-end
-
--- create folder
-function digicompute.file.mkdir(path)
-  local f = io.open(path)
-  if not f then
-    if minetest.mkdir then
-      minetest.mkdir(path) -- create directory if minetest.mkdir is available
-      return
-    else
-      os.execute('mkdir "'..path..'"') -- create directory with os mkdir command
-      return
-    end
-  end
-  f:close() -- close file
-end
-
--- create file
-function digicompute.file.create(path)
-  -- check if file already exists
-  if digicompute.file.exists(path) == true then
-    digicompute.log("File ("..path..") already exists.") -- log
-    return true -- exit and return
-  end
-  local f = io.open(path, "w") -- create file
-  f:close() -- close file
-  digicompute.log("Created file "..path) -- log
-end
-
--- write to file
-function digicompute.file.write(path, data, serialize)
-  if digicompute.file.exists(path) ~= true then digicompute.file.create(path) end -- check if exists
-  if not serialize then local serialize = false end -- if blank serialize = true
-  local f = io.open(path, "w") -- open file for writing
-  if serialize == true then local data = minetest.serialize(data) end -- serialize data
-  f:write(data) -- write data
-  f:close() -- close file
-  digicompute.log('Wrote "'..data..'" to '..path) -- log
-end
-
--- append to file
-function digicompute.file.append(path, data, serialize)
-  if digicompute.file.exists(path) ~= true then return false end -- check if exists
-  if not serialize then local serialize = false end -- if blank serialize = true
-  local f = io.open(path, "a") -- open file for writing
-  if serialize == true then local data = minetest.serialize(data) end -- serialize data
-  f:write(data) -- write data
-  f:close() -- close file
-  digicompute.log('Wrote "'..data..'" to '..path) -- log
-end
-
--- load file
-function digicompute.file.read(path, deserialize)
-  if digicompute.file.exists(path) ~= true then return false end -- check if exists
-  local f = io.open(path, "r") -- open file for reading
-  local data = f:read("*all") -- read and store file data in variable data
-  if deserialize == true then local data = minetest.deserialize(data) end -- deserialize data
-  return data -- return file contents
-end
-
--- write table to file
-function digicompute.file.table.write(path, intable)
-  if digicompute.file.exists(path) ~= true then return false end -- check if exists
-  local intable = minetest.serialize(intable) -- serialize intable
-  local f = io.open(path, "w") -- open file for writing
-  f:write(intable) -- write intable
-  f:close() -- close file
-  digicompute.log("Wrote table to "..path)
-end
-
--- load table from file
-function digicompute.file.table.read(path)
-  if digicompute.file.exists(path) ~= true then return false end -- check if exists
-  local f = io.open(path, "r") -- open file for reading
-  local externaltable = minetest.deserialize(f:read()) -- deserialize and read externaltable
-  f:close() -- close file
-  return externaltable
-end
-
--- dofile
-function digicompute.file.dofile(path)
-  -- check if file exists
-  if digicompute.file.exists(path) == true then
-    dofile(path)
-    return true -- return true, successful
-  else
-    digicompute.log("File "..path.." does not exist.")
-    return false -- return false, unsuccessful
-  end
-end

depends.txt

@@ -1,2 +1,3 @@
 default
+datalib
 digilines?

init.lua

@@ -10,6 +10,10 @@ function digicompute.log(content, log_type)
   minetest.log(log_type, "[digicompute] "..content)
 end
 
+-- create mod world dir
+datalib.mkdir(datalib.worldpath.."/digicompute")
+digicompute.path = datalib.worldpath.."/digicompute"
+
 -- FORMSPECS
 -- normal
 function digicompute.formspec(input, output)
@@ -38,7 +42,6 @@ end
 -- /FORMSPECS
 
 -- load resources
-if not minetest.get_modpath("datalib") then dofile(modpath.."/data.lua") end -- load data api if not datalib mod
 dofile(modpath.."/os.lua") -- load os api
 dofile(modpath.."/api.lua") -- load api
 dofile(modpath.."/nodes.lua") -- load nodes

os.lua

@@ -5,8 +5,8 @@ local path = digicompute.path -- datapath pointer
 
 -- [function] load os
 function digicompute.os.load(os_name)
-  if digicompute.file.dofile(modpath.."/os/"..os_name..".lua") ~= true then
-    if digicompute.file.dofile(path.."/os/"..os_name.."/.lua") ~= true then
+  if datalib.dofile(modpath.."/os/"..os_name..".lua") ~= true then
+    if datalib.dofile(path.."/os/"..os_name.."/.lua") ~= true then
       -- print error
       digicompute.log(os_name.." os could not be found. Please place the OS file in "..modpath.."/os/ or "..path.."/os/ with extension '.lua'.", "error")
     end