Module: PIExtensions

Included in:
Object
Defined in:
lib/cli/core_ext.rb

Instance Method Summary collapse

Instance Method Details



13
14
15
16
 
# File 'lib/cli/core_ext.rb', line 13

def banner(message)
  say "\n"
  say message
end

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


44
45
46
 
# File 'lib/cli/core_ext.rb', line 44

def blank?
  self.to_s.blank?
end

#clear(size = 80) ⇒ Object 



29
30
31
32
33
34
 
# File 'lib/cli/core_ext.rb', line 29

def clear(size=80)
  return unless PI::Cli::Config.output
  PI::Cli::Config.output.print("\r")
  PI::Cli::Config.output.print(" " * size)
  PI::Cli::Config.output.print("\r")
end

#display(message, nl = true) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
 
# File 'lib/cli/core_ext.rb', line 18

def display(message, nl=true)
  if nl
    say message
  else
    if PI::Cli::Config.output
      PI::Cli::Config.output.print(message)
      PI::Cli::Config.output.flush
    end
  end
end

#err(message, prefix = 'Error: ') ⇒ Object

Raises:



36
37
38
 
# File 'lib/cli/core_ext.rb', line 36

def err(message, prefix='Error: ')
  raise PI::Cli::CliExit, "#{prefix}#{message}"
end

#header(message, filler = '-') ⇒ Object 



7
8
9
10
11
 
# File 'lib/cli/core_ext.rb', line 7

def header(message, filler = '-')
  say "\n"
  say message
  say filler.to_s * message.size
end

#pretty_size(size, prec = 1) ⇒ Object 



59
60
61
62
63
64
65
 
# File 'lib/cli/core_ext.rb', line 59

def pretty_size(size, prec=1)
  return 'NA' unless size
  return "#{size}B" if size < 1024
  return sprintf("%.#{prec}fK", size/1024.0) if size < (1024*1024)
  return sprintf("%.#{prec}fM", size/(1024.0*1024.0)) if size < (1024*1024*1024)
  return sprintf("%.#{prec}fG", size/(1024.0*1024.0*1024.0))
end

#quit(message = nil) ⇒ Object

Raises:



40
41
42
 
# File 'lib/cli/core_ext.rb', line 40

def quit(message = nil)
  raise PI::Cli::GracefulExit, message
end

#say(message) ⇒ Object 



3
4
5
 
# File 'lib/cli/core_ext.rb', line 3

def say(message)
  PI::Cli::Config.output.puts(message) if PI::Cli::Config.output
end

#uptime_string(delta) ⇒ Object 



48
49
50
51
52
53
54
55
56
57
 
# File 'lib/cli/core_ext.rb', line 48

def uptime_string(delta)
  num_seconds = delta.to_i
  days = num_seconds / (60 * 60 * 24);
  num_seconds -= days * (60 * 60 * 24);
  hours = num_seconds / (60 * 60);
  num_seconds -= hours * (60 * 60);
  minutes = num_seconds / 60;
  num_seconds -= minutes * 60;
  "#{days}d:#{hours}h:#{minutes}m:#{num_seconds}s"
end