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comparison core/loggingmanager.lua @ 1016:73afe3e30e97

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core.loggingmanager: A new manager (yay!) to manage log output
author Matthew Wild <mwild1@gmail.com>
date Tue, 21 Apr 2009 03:37:49 +0100
parents
children f9122efeaadd
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1015:9e31e9397cff 1016:73afe3e30e97
1
2 local format, rep = string.format, string.rep;
3 local io_write = io.write;
4 local pcall = pcall;
5 local debug = debug;
6 local tostring = tostring;
7 local math_max = math.max;
8
9 local logger = require "util.logger";
10
11 -- Global log function, because some people are too
12 -- lazy to get their own
13 _G.log = logger.init("general");
14
15 -- Disable log output, needs to read from config
16 -- logger.setwriter(function () end);
17
18 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
19 local do_pretty_printing = not os.getenv("WINDIR");
20
21 local logstyles = {};
22
23 --TODO: This should be done in config, but we don't have proper config yet
24 if do_pretty_printing then
25 logstyles["info"] = getstyle("bold");
26 logstyles["warn"] = getstyle("bold", "yellow");
27 logstyles["error"] = getstyle("bold", "red");
28 end
29
30 local sourcewidth = 20;
31 local math_max, rep = math.max, string.rep;
32 local function make_default_log_sink(level)
33 return function (name, _level, message, ...)
34 sourcewidth = math_max(#name+2, sourcewidth);
35 local namelen = #name;
36 if ... then
37 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", format(message, ...), "\n");
38 else
39 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", message, "\n");
40 end
41 end
42 end
43
44 -- Set default sinks
45 logger.add_level_sink("debug", make_default_log_sink("debug"));
46 logger.add_level_sink("info", make_default_log_sink("info"));
47 logger.add_level_sink("warn", make_default_log_sink("warn"));
48 logger.add_level_sink("error", make_default_log_sink("error"));
49