Method: Launchr::Mixlib::CLI#initialize

Defined in:

lib/launchr/mixin/mixlib_cli.rb

#initialize(*args) ⇒ Object

Create a new Mixlib::CLI class. If you override this, make sure you call super!

Parameters

*args<Array>

The array of arguments passed to the initializer

Returns

object<Mixlib::Config>

Returns an instance of whatever you wanted :)

Raises:

• (ArgumentError)

# File 'lib/launchr/mixin/mixlib_cli.rb', line 289

def initialize(*args)
  @options   = Launchr::OrderedHash.new
  @arguments = Launchr::OrderedHash.new
  @options_arguments = Launchr::OrderedHash.new
  @config  = Hash.new
  @filtered_argv = []

  # Set the banner
  @banner  = self.class.banner
  @header  = self.class.header
  @footer  = self.class.footer

  @summary_indent  = self.class.summary_indent
  @summary_width   = self.class.summary_width
  @spaced_summary  = self.class.spaced_summary

  # Dupe the class options for this instance
  klass_options = self.class.options
  klass_options.keys.inject(@options) { |memo, key| memo[key] = klass_options[key].dup; memo }

  # Dupe the class arguments for this instance
  klass_arguments = self.class.arguments
  klass_arguments.keys.inject(@arguments) { |memo, key| memo[key] = klass_arguments[key].dup; memo }

  # Dupe the class arguments for this instance
  klass_options_arguments = self.class.options_arguments
  klass_options_arguments.keys.inject(@options_arguments) { |memo, key| memo[key] = klass_options_arguments[key].dup; memo }

  # check argument and option :name keys dont conflict
  name_collision = klass_options.keys & klass_arguments.keys
  raise ArgumentError, "An option cannot have the same name as an argument: #{name_collision.join(', ')}" unless name_collision.empty?

  koso, kolo = [], []
  klass_options.each do |name, kargs|
    koso << (kargs[:short_strip] || "")
    kolo << (kargs[:long_strip] || "")
  end
  
  kasa, kala = [], []
  klass_arguments.each do |name, kargs|
    kasa << (kargs[:short_strip] || "")
    kala << (kargs[:long_strip] || "")
  end

  # Check that argument an option --long switches dont conflict
  loa_collision = kolo & kala - [""]
  opt_name = klass_options.keys[kolo.index(loa_collision.first) || 0]
  arg_name = klass_arguments.keys[kala.index(loa_collision.first) || 0]
  raise ArgumentError, "Collision: switch '#{loa_collision.first}' for option(#{opt_name.inspect}) and argument(#{arg_name.inspect}) cannot be the same" unless loa_collision.empty?

  # Check that argument an option -s short switches dont conflict
  soa_collision = koso & kasa - [""]
  opt_name = klass_options.keys[kolo.index(soa_collision.first) || 0]
  arg_name = klass_arguments.keys[kala.index(soa_collision.first) || 0]
  raise ArgumentError, "Collision: switch '#{soa_collision.first}' for option(#{opt_name.inspect}) and argument(#{arg_name.inspect}) cannot be the same" unless soa_collision.empty?
  
  # Set the default configuration values for this instance
  @options.each do |config_key, config_opts|
    config_opts[:on] ||= :on
    config_opts[:boolean] ||= false
    config_opts[:requires] ||= nil
    config_opts[:proc] ||= nil
    config_opts[:show_options] ||= false
    config_opts[:exit] ||= nil
  
    if config_opts.has_key?(:default)
      @config[config_key] = config_opts[:default]
    end
  end

  @arguments.each do |config_key, config_opts|
    config_opts[:on] ||= :on
    config_opts[:boolean] ||= false
    config_opts[:requires] ||= nil
    config_opts[:proc] ||= nil
    config_opts[:show_options] ||= false
    config_opts[:exit] ||= nil
  
    if config_opts.has_key?(:default)
      @config[config_key] = config_opts[:default]
    end
  end

  @options_arguments.each do |config_key, config_opts|
    config_opts[:on] ||= :on
    config_opts[:boolean] ||= false
    config_opts[:requires] ||= nil
    config_opts[:proc] ||= nil
    config_opts[:show_options] ||= false
    config_opts[:exit] ||= nil
  
    if config_opts.has_key?(:default)
      @config[config_key] = config_opts[:default]
    end
  end

  super(*args)
end