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|
# frozen_string_literal: true
require 'logger'
# Aruba
module Aruba
# Logger
#
# @private
class ArubaLogger
attr_reader :mode
# Create logger
#
# @param [Hash] opts
# Options
#
# @option opts [Symbol] :default_mode Log level
def initialize(opts = {})
@mode = opts.fetch(:default_mode, :info)
end
# @!method fatal(msg)
# Log a fatal level log message
# @!method warn(msg)
# Log a warn level log message
# @!method debug(msg)
# Log a debug level log message
# @!method info(msg)
# Log an info level log message
# @!method error(msg)
# Log an error level log message
# @!method unknown(msg)
# Log an unknown level log message
%i[fatal warn debug info error unknown].each do |m|
define_method m do |msg|
logger.public_send m, msg
end
end
# Create new logger on every invocation to make
# capturing $stderr possible
def logger
l = ::Logger.new($stderr)
if mode == :debug
format_debug(l)
else
format_standard(l)
end
l.level = case mode
when :debug
::Logger::DEBUG
when :silent
9_999
else
::Logger::INFO
end
l
end
# Is mode?
#
# @param [String, Symbol] m
# Mode to compare with
def mode?(m)
mode == m.to_sym
end
# Change mode of logger: :debug, ... + Change the output format
#
# @param [Symbol] m
# the mode: :debug, ...
def mode=(m)
@mode = m.to_sym
end
private
def format_debug(l)
l.formatter = proc { |severity, datetime, progname, msg|
format("%s %s %s: %s\n", datetime, severity, progname, msg)
}
end
def format_standard(l)
l.formatter = proc { |severity, datetime, _, msg|
format("%s %s: %s\n", datetime, severity, msg)
}
end
end
end
|
