Class: Timer

Inherits:
Object
  • Object
show all
Defined in:
lib/transcode/timer.rb

Overview

Measures elapsed time and reports it as a humanized string.

Constant Summary collapse

DIC = 
[
  [60,   :seconds, :second],
  [60,   :minutes, :minute],
  [24,   :hours,   :hour],
  [1000, :days,    :day]
].freeze

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Timer

Returns a new instance of Timer.



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# File 'lib/transcode/timer.rb', line 21

def initialize
  @sta = Time.now
end

Class Attribute Details

.less_sec ⇒ Object (readonly)

Returns the value of attribute less_sec.



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# File 'lib/transcode/timer.rb', line 11

def less_sec
  @less_sec
end

Instance Method Details

#humanize(sec) ⇒ Object 



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# File 'lib/transcode/timer.rb', line 29

def humanize(sec)
  return '' if sec.nil?
  return Timer.less_sec if sec < 1

  DIC.filter_map do |cnt, nms, nm1|
    next if sec <= 0

    sec, n = sec.divmod(cnt)
    "#{n.to_i} #{n.to_i == 1 ? nm1 : nms}"
  end.compact.reverse.join(' ')
end

#read ⇒ Object 



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# File 'lib/transcode/timer.rb', line 25

def read
  humanize(Time.now - @sta)
end