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Contents
#!/usr/bin/env ruby
# vim: set nosta noet ts=4 sw=4:
# encoding: utf-8
require 'loggability' unless defined?( Loggability )
require 'loggability/formatter' unless defined?( Loggability::Formatter )
require 'loggability/formatter/default'
# ANSI color log formatter. Outputs log messages color-coded by their
# severity if the current terminal appears to support it.
class Loggability::Formatter::Color < Loggability::Formatter::Default
# ANSI reset
RESET = "\e[0m"
# ANSI color escapes keyed by severity
LEVEL_CODES = {
:debug => "\e[1;30m", # bold black
:info => "\e[37m", # white
:warn => "\e[1;33m", # bold yellow
:error => "\e[31m", # red
:fatal => "\e[1;31m", # bold red
}
# Pattern for matching color terminals
COLOR_TERMINAL_NAMES = /(?:vt10[03]|xterm(?:-color)?|linux|screen)/i
### Create a new formatter.
def initialize( * )
super
@color_enabled = COLOR_TERMINAL_NAMES.match( ENV['TERM'] ) ? true : false
end
######
public
######
### Format the specified +msg+ for output to the log.
def msg2str( msg, severity )
msg = super
if @color_enabled
color = severity.downcase.to_sym
msg = [ LEVEL_CODES[color], msg, RESET ].join( '' )
end
return msg
end
end # class Loggability::Formatter::Color
Version data entries
24 entries across 24 versions & 1 rubygems