Class: ProgressBar::Console

Inherits:
Base
  • Object
show all
Defined in:
lib/progress-bar.rb

Instance Attribute Summary collapse

Attributes inherited from Base

#i, #max, #startts, #text

Instance Method Summary collapse

Methods inherited from Base

#done_dur, #done_rel, #increment!, #total_dur

Constructor Details

#initialize(*a, outfd: nil, errfd: nil, **options) ⇒ Console

Returns a new instance of Console.



66
67
68
69
70
 
# File 'lib/progress-bar.rb', line 66

def initialize *a, outfd: nil, errfd: nil, **options
	@outfd = outfd || STDERR
	@errfd = errfd || @outfd
	super *a, **options
end

Instance Attribute Details

#errfd ⇒ Object (readonly)

Returns the value of attribute errfd.



64
65
66
 
# File 'lib/progress-bar.rb', line 64

def errfd
  @errfd
end

#outfd ⇒ Object (readonly)

Returns the value of attribute outfd.



64
65
66
 
# File 'lib/progress-bar.rb', line 64

def outfd
  @outfd
end

Instance Method Details

#change_text ⇒ Object Also known as: change_progress 



90
91
92
93
94
95
96
 
# File 'lib/progress-bar.rb', line 90

def change_text
	l = [[100.0*i/max, 0].max, 100].min.to_i
	dd, td = done_dur, total_dur
	b = ?= * l
	b[-1] = ?>  unless 0 == l or 100 == l
	@outfd.printf "\r\e[J%s / %s [%-*s] %s", format_time(dd), format_time(td), 100, b, text
end

#error(text) ⇒ Object 



99
100
101
102
 
# File 'lib/progress-bar.rb', line 99

def error text
	@errfd.printf "\r\e[J%s\n", text
	@errfd.flush
end

#finish ⇒ Object 



104
105
106
107
 
# File 'lib/progress-bar.rb', line 104

def finish
	@outfd.puts
	@outfd.flush
end

#format_time(t) ⇒ Object 



82
83
84
85
86
87
88
 
# File 'lib/progress-bar.rb', line 82

def format_time t
	if t.finite?
		sprintf "%02d:%02d:%02d", t/3600, t/60 % 3600, t % 60
	else
		"--:--:--"
	end
end

#possible? ⇒ Boolean

Returns:

  • (Boolean) 


72
73
74
 
# File 'lib/progress-bar.rb', line 72

def possible?
	@outfd.tty?
end

#start ⇒ Object 



76
77
78
79
80
 
# File 'lib/progress-bar.rb', line 76

def start
	super
	change_text
	self
end