Module: Gren::DisplayUtil

Defined in:
lib/common/display_util.rb

Class Method Summary collapse

Class Method Details

.dump_methods(c) ⇒ Object 



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# File 'lib/common/display_util.rb', line 48

def dump_methods(c)
  unless c.is_a?(Class)
    c = c.class
  end
  
  while (true)
    p c
    break if (c == Object)
    puts "↓  " + c.public_instance_methods(false).inspect
    c = c.superclass
  end
end

.round(n, d) ⇒ Object 



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# File 'lib/common/display_util.rb', line 23

def round(n, d)
  (n * 10 ** d).round / 10.0 ** d
end

.size_s(size) ⇒ Object 



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# File 'lib/common/display_util.rb', line 28

def size_s(size)
  tb = 1024 ** 4
  gb = 1024 ** 3
  mb = 1024 ** 2
  kb = 1024

  if (size >= tb)
    round(size / tb.prec_f, 2).to_s + "TB"
  elsif (size >= gb)
    round(size / gb.prec_f, 2).to_s + "GB"
  elsif (size >= mb)
    round(size / mb.prec_f, 2).to_s + "MB"
  elsif (size >= kb)
    round(size / kb.prec_f, 2).to_s + "KB"
  else
    size.to_s + "Byte"
  end
end

.time_s(time) ⇒ Object 



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# File 'lib/common/display_util.rb', line 5

def time_s(time)
  t = time.truncate
  h = t / 3600
  t = t % 3600
  m = t / 60
  t = t % 60
  t += round(time - time.prec_i, 2)
  
  if (h > 0 && m > 0)
    "#{h}h #{m}m #{t}s"
  elsif (m > 0)
    "#{m}m #{t}s"
  else
    "#{t}sec"
  end
end