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