Class: Noir::Base::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/noir/base/command.rb

Class Method Summary collapse

Class Method Details

.check_command_not_found(command = nil, *args) ⇒ Object 



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# File 'lib/noir/base/command.rb', line 37

def check_command_not_found command=nil, *args
  return if command.nil?

  raise 'command not found : ' + command
end

.description ⇒ Object 



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# File 'lib/noir/base/command.rb', line 6

def description
  if @description.nil?
    raise "Undefined description : " + self.to_s
  else
    puts self.to_s.split(':').last.downcase.ljust(15) + " : " + @description
  end
end

.execute(*args) ⇒ Object 



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# File 'lib/noir/base/command.rb', line 14

def execute *args
  if self == Noir::Base::Command
    raise 'called raw Noir::Base::Command.execute. please call it in extended class.'
  end

  # check invalid command
  check_command_not_found(*args)

  # default execute is show description with sub commands.
  description
  puts '-- sub commands --'
  sub_commands.map{|c|eval(self.to_s + '::' + c.to_s)}.each{|c| c.description}
end

.sub_commands ⇒ Object 



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# File 'lib/noir/base/command.rb', line 28

def sub_commands
  consts = constants - superclass.constants
  consts = consts.select do |const|
    const_get(const).class == Class &&
    const_get(const).ancestors.include?(Noir::Base::Command)
  end
  consts.sort
end