Method: Consoler::Options#initialize

Defined in:
lib/consoler/options.rb

#initialize(options_def) ⇒ Options

Create a list of option based on a string definition

Parameters:

  • options_def (String) —

    A string definition of the desired options

Raises:

  • (RuntimeError) —

    if you try to use a duplicate name



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# File 'lib/consoler/options.rb', line 16

def initialize(options_def)
  @options = []
  @description = nil

  return if options_def.nil?

  # strip the description
  if (match = /(^|\s+)-- (?<description>.*)$/.match(options_def))
    @description = match[:description]
    options_def = options_def[0...-match[0].size]
  end

  options = options_def.split ' '
  tracker = Consoler::OptionalsTracker.new

  option_names = []

  while (option_def = options.shift)
    Consoler::Option.create option_def, tracker do |option|
      raise "Duplicate option name: #{option.name}" if option_names.include? option.name

      option_names.push option.name

      option.aliases.each do |alias_|
        raise "Duplicate alias name: #{alias_.name}" if option_names.include? alias_.name

        option_names.push alias_.name
      end

      @options.push option
    end
  end
end