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util/logger.lua @ 807:3ab6d7aec53f
Logging format improvement
author | Waqas Hussain <waqas20@gmail.com> |
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date | Fri, 13 Feb 2009 22:10:29 +0500 |
parent | 760:90ce865eebd8 |
child | 883:0112ae30f399 |
rev | line source |
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759 | 1 -- Prosody IM v0.3 |
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2 -- Copyright (C) 2008-2009 Matthew Wild |
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3 -- Copyright (C) 2008-2009 Waqas Hussain |
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4 -- |
758 | 5 -- This project is MIT/X11 licensed. Please see the |
6 -- COPYING file in the source package for more information. | |
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7 -- |
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8 |
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9 local format, rep = string.format, string.rep; |
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10 local io_write = io.write; |
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11 local pcall = pcall; |
30 | 12 local debug = debug; |
13 local tostring = tostring; | |
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14 local math_max = math.max; |
262 | 15 |
16 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring; | |
17 local do_pretty_printing = not os.getenv("WINDIR"); | |
18 | |
30 | 19 module "logger" |
20 | |
262 | 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 | |
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30 local sourcewidth = 20; |
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31 |
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32 local outfunction = nil; |
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33 |
30 | 34 function init(name) |
147 | 35 --name = nil; -- While this line is not commented, will automatically fill in file/line number info |
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36 local namelen = #name; |
30 | 37 return function (level, message, ...) |
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38 if outfunction then return outfunction(name, level, message, ...); end |
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39 |
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40 sourcewidth = math_max(#name+2, sourcewidth); |
30 | 41 if ... then |
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42 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", format(message, ...), "\n"); |
30 | 43 else |
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44 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", message, "\n"); |
30 | 45 end |
46 end | |
47 end | |
48 | |
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49 function setwriter(f) |
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50 local old_func = outfunction; |
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51 if not f then outfunction = nil; return true, old_func; end |
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52 local ok, ret = pcall(f, "logger", "info", "Switched logging output successfully"); |
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53 if ok then |
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54 outfunction = f; |
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55 ret = old_func; |
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56 end |
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57 return ok, ret; |
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58 end |
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59 |
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Remove or comment useless prints, or change them to log()
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60 return _M; |