Updated treefarm to new logger syntax

jlib/log.lua

@@ -15,7 +15,6 @@ local Logger = {
     prefixes = { "CRIT", "ERROR", "WARN", "INFO", "DEBUG" },
     filename = nil
 }
-Logger.__index = Logger
 
 
 -- Return a new logger 'object'.
@@ -34,11 +33,7 @@ Logger.__index = Logger
 function Logger:new(o)
     o = o or {}
     setmetatable(o, self)
-    -- Fill in default values where needed
+    self.__index = self
-    -- TODO find out if this is needed or not
-    -- for k, v in pairs(Logger) do
-    --     o[k] = o[k] or Logger[k]
-    -- end
 
     -- Open file handler
     if o.filename then

treefarm.lua

@@ -1,5 +1,5 @@
 -- Created by Jef Roosens
-local logger = require('jlib.log').init_logger(3, nil, "treefarm.log")
+local logger = require('jlib.log').Logger:new{level=3, filename="treefarm.log"}
 local fuel   = require('jlib.fuel')
 fuel.logger = logger
 local move   = require('jlib.move').move
@@ -43,7 +43,7 @@ local function chop(max_height, log_name)
     -- Return the new height if it's greater than the old
 
     max_height = math.max(max_height, height)
-    logger:log(4, "Max height: " .. max_height)
+    logger:debug("Max height: " .. max_height)
 
     return max_height
 end
@@ -75,7 +75,7 @@ end
 -- @return new height of tallest known tree
 local function cycle(width, depth, max_height, sapling_name, log_name,
     spacing)
-    logger:log(3, "Starting cycle")
+    logger:info("Starting cycle")
 
     for i = 1, width do
         -- Check for fuel to go through entire row
@@ -129,7 +129,7 @@ end
 
 -- Do maintenance stuff: drop off items, and restock on saplings
 local function maintenance(width, depth, sapling_name, log_name)
-    logger:log(3, "Doing maintenance")
+    logger:info("Doing maintenance")
     fuel.check(6, { log_name })
 
     -- Move towards sapling chest
@@ -163,14 +163,14 @@ local function maintenance(width, depth, sapling_name, log_name)
     turtle.turnRight()
     move('f', 2)
 
-    logger:log(3, "Maintenance finished")
+    logger:info("Maintenance finished")
 end
 
 
 local function main()
     -- Load the settings, or quit if it fails
     if not settings.load(".treefarm.conf") then
-        return logger:log(1, "Couldn't load configuration file. Please make sure it exists and doesn't contain syntax errors.")
+        return logger:critical("Couldn't load configuration file. Please make sure it exists and doesn't contain syntax errors.")
     end
 
     -- Get all variables (API calls are slow)
@@ -180,10 +180,10 @@ local function main()
         settings.get("sapling_name"), settings.get("delay")
     local max_height = 0
 
-    logger:log(3, "Settings loaded")
+    logger:info("Settings loaded")
 
     -- Start the main loop
-    logger:log(3, "Starting main loop")
+    logger:info("Starting main loop")
     while true do
         -- Get into start position for cycle
         fuel.check(2, { log_name })