prosody
c1a720db2157
util/logger.lua

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util/logger.lua @ 437:c1a720db2157

Nice enhancement for logging output
author Matthew Wild <mwild1@gmail.com>
date Thu, 27 Nov 2008 03:06:29 +0000
parent 360:e918c979ad1a
child 519:cccd610a0ef9
comparison
equal deleted inserted replaced
436:979072fd3981 437:c1a720db2157
1 1
2 local format = string.format; 2 local format, rep = string.format, string.rep;
3 local io_write = io.write;
3 local print = print; 4 local print = print;
4 local debug = debug; 5 local debug = debug;
5 local tostring = tostring; 6 local tostring = tostring;
7 local math_max = math.max;
6 8
7 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring; 9 local getstyle, getstring = require "util.termcolours".getstyle, require "util.termcolours".getstring;
8 local do_pretty_printing = not os.getenv("WINDIR"); 10 local do_pretty_printing = not os.getenv("WINDIR");
9 11
10 module "logger" 12 module "logger"
16 logstyles["info"] = getstyle("bold"); 18 logstyles["info"] = getstyle("bold");
17 logstyles["warn"] = getstyle("bold", "yellow"); 19 logstyles["warn"] = getstyle("bold", "yellow");
18 logstyles["error"] = getstyle("bold", "red"); 20 logstyles["error"] = getstyle("bold", "red");
19 end 21 end
20 22
23 local sourcewidth = 20;
24
21 function init(name) 25 function init(name)
22 --name = nil; -- While this line is not commented, will automatically fill in file/line number info 26 --name = nil; -- While this line is not commented, will automatically fill in file/line number info
27 sourcewidth = math_max(#name+2, sourcewidth);
28 local namelen = #name;
23 return function (level, message, ...) 29 return function (level, message, ...)
24 if not name then 30 if not name then
25 local inf = debug.getinfo(3, 'Snl'); 31 local inf = debug.getinfo(3, 'Snl');
26 level = level .. ","..tostring(inf.short_src):match("[^/]*$")..":"..inf.currentline; 32 level = level .. ","..tostring(inf.short_src):match("[^/]*$")..":"..inf.currentline;
27 end 33 end
28 if ... then 34 if ... then
29 print(name, getstring(logstyles[level], level), format(message, ...)); 35 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", format(message, ...), "\n");
30 else 36 else
31 print(name, getstring(logstyles[level], level), message); 37 io_write(name, rep(" ", sourcewidth-namelen), getstring(logstyles[level], level), "\t", message, "\n");
32 end 38 end
33 end 39 end
34 end 40 end
35 41
36 return _M; 42 return _M;