Class: Chake::Readline

Inherits:
Object
  • Object
show all
Defined in:
lib/chake/readline.rb

Direct Known Subclasses

Commands, Recipes

Defined Under Namespace

Classes: Commands, Recipes

Class Method Summary collapse

Class Method Details

.finish ⇒ Object 



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# File 'lib/chake/readline.rb', line 27

def finish
  return if !File.writable?(File.dirname(history_file)) || history.empty?

  File.open(history_file, 'w') do |f|
    history.last(500).each do |line|
      f.puts(line)
    end
  end
end

.history ⇒ Object 



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# File 'lib/chake/readline.rb', line 13

def history
  @history ||= []
end

.history_file ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chake/readline.rb', line 9

def history_file
  raise NotImplementedError
end

.init ⇒ Object 



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# File 'lib/chake/readline.rb', line 21

def init
  return unless File.exist?(history_file)

  @history = File.readlines(history_file).map(&:strip)
end

.prompt ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chake/readline.rb', line 17

def prompt
  raise NotImplementedError
end

.readline ⇒ Object 



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# File 'lib/chake/readline.rb', line 37

def readline
  ::Readline::HISTORY.clear
  history.each do |cmd|
    ::Readline::HISTORY.push(cmd)
  end
  input = ::Readline.readline(prompt)
  history.push(input) if input && input.strip != '' && input != @last
  input
end