Class: Byebug::History

Inherits:
Object
  • Object
show all
Defined in:
lib/byebug/history.rb

Overview

Handles byebug’s history of commands.

Class Method Summary collapse

Class Method Details

.load ⇒ Object 



9
10
11
12
13
14
15
16
 
# File 'lib/byebug/history.rb', line 9

def load
  open(Setting[:histfile], 'r') do |file|
    file.each do |line|
      line.chomp!
      Readline::HISTORY << line
    end
  end if File.exist?(Setting[:histfile])
end

.save ⇒ Object 



18
19
20
21
22
23
24
 
# File 'lib/byebug/history.rb', line 18

def save
  open(Setting[:histfile], 'w') do |file|
    Readline::HISTORY.to_a.last(Setting[:histsize]).each do |line|
      file.puts line unless line.strip.empty?
    end
  end
end

.to_s(size = Setting[:histsize]) ⇒ Object 



26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/byebug/history.rb', line 26

def to_s(size = Setting[:histsize])
  rl_size = Readline::HISTORY.length
  n_entries = rl_size < size ? rl_size : size

  first = rl_size - n_entries
  commands = Readline::HISTORY.to_a.last(n_entries)

  s = ''
  commands.each_with_index do |command, index|
    s += format("%5d  %s\n", first + index + 1, command)
  end

  s
end