Module: Prompt

Included in:
BunchFinder, BunchURLGenerator, Menu
Defined in:
lib/bunch/url_generator.rb

Overview

CLI Prompt utilities

Instance Method Summary collapse

Instance Method Details

#choose_number(query = '->', max) ⇒ Object 



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# File 'lib/bunch/url_generator.rb', line 48

def choose_number(query = '->', max)
  stty_save = `stty -g`.chomp
  sel = nil
  begin
    while !sel =~ /^\d+$/ || sel.to_i <= 0 || sel.to_i > max
      sel = Readline.readline("#{query}", true)
      return nil if sel =~ /^\s*$/
    end
  rescue Interrupt
    system('stty', stty_save) # Restore
    exit
  end
  sel ? sel.to_i : nil
end

#get_line(query = '->') ⇒ Object 



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# File 'lib/bunch/url_generator.rb', line 63

def get_line(query = '->')
  stty_save = `stty -g`.chomp
  begin
    line = Readline.readline("#{query}: ", true)
  rescue Interrupt
    system('stty', stty_save) # Restore
    exit
  end
  line.chomp
end

#get_text(query = 'Enter text, ^d to end') ⇒ Object 



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# File 'lib/bunch/url_generator.rb', line 74

def get_text(query = 'Enter text, ^d to end')
  stty_save = `stty -g`.chomp
  lines = []
  puts query
  begin
    while (line = Readline.readline)
      lines << line
    end
  rescue Interrupt
    system('stty', stty_save) # Restore
    exit
  end
  lines.join("\n").chomp
end

#url_encode_text ⇒ Object 



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# File 'lib/bunch/url_generator.rb', line 122

def url_encode_text
  text = get_text
  puts
  CGI.escape(text).gsub(/\+/, '%20')
end

#yn(question, default_response: false) ⇒ Object 



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# File 'lib/bunch/url_generator.rb', line 89

def yn(question, default_response: false)
  default = default_response || 'n'

  # if this isn't an interactive shell, answer default
  return default.downcase == 'y' unless $stdout.isatty

  # clear the buffer
  if ARGV&.length
    ARGV.length.times do
      ARGV.shift
    end
  end
  system 'stty cbreak'

  options = if default
              default =~ /y/i ? '[Y/n]' : '[y/N]'
            else
              '[y/n]'
            end

  $stdout.syswrite "#{question.sub(/\?$/, '')} #{options}? "
  res = $stdin.sysread 1
  puts
  system 'stty cooked'

  res.chomp!
  res.downcase!

  res = default.downcase if res == ''

  res =~ /y/i
end