created logging module

rc.lua

@@ -11,6 +11,13 @@ conf            = require("localconf")
 
 layouts = require('layouts')
 
+-- {{{ Logging
+log = require("simplelog")
+log.add_logger(log.loggers.stdio, 0)
+log.add_logger(log.loggers.naughty, 2)
+
+-- }}}
+
 -- {{{ Tags
 
 tags = require('tags')

simplelog.lua

@@ -0,0 +1,81 @@
+local naughty = require("naughty")
+
+local simplelog = { loggers = {}, mt = {}}
+
+local defaults = {}
+local settings = {}
+
+defaults.loggers = { }
+defaults.defaultlevel = 0
+
+for key, value in pairs(defaults) do
+    settings[key] = value
+end
+
+level = {
+	ERROR = 3,
+	WARNING = 2,
+	NORMAL = 1,
+	DEBUG = 0
+}
+simplelog.level = level
+
+function loglv(msg, level)
+	for _,logger in ipairs(settings.loggers) do
+		logger(msg, level)
+	end
+end
+
+function debug(msg)
+	loglv(msg, 0)
+end
+simplelog.debug = debug
+
+function log(msg)
+	loglv(msg, 1)
+end
+simplelog.log = log
+
+function warn(msg)
+	loglv(msg, 2)
+end
+simplelog.warn = warn
+
+function error(msg)
+	loglv(msg, 3)
+end
+simplelog.error = error
+
+function add_logger(logger, level)
+	if level == nil then
+		level = settings.defaultlevel
+	end
+	print(inspect(logger))
+	table.insert(settings.loggers, function(msg, severity)
+		if severity >= level then 
+			logger(msg, severity) 
+		end
+	end)
+	print(inspect(settings.loggers))
+end
+simplelog.add_logger = add_logger
+
+function logger_naughty(msg, severity)
+	if severity == level.WARNING then
+		msg = "<span color=\"#ff6\">".. msg .. "</span>"
+	elseif severity == level.ERROR then
+		msg = "<span color=\"#f66\">".. msg .. "</span>"
+	end
+	naughty.notify({ text = msg })
+end
+simplelog.loggers.naughty = logger_naughty
+
+
+function logger_print(msg, severity)
+	print(msg)
+end
+simplelog.loggers.stdio = logger_print
+
+simplelog.mt.__call = log
+
+return setmetatable(simplelog, simplelog.mt)