Parse storyboard for ibtool and extract nib path list to be generated

parse_storyboard.rb

#!/usr/bin/env ruby
require 'rexml/document'

d = REXML::Document.new(File.read(ARGV[0]))

nib_list = []

d.elements.each('//*[@storyboardIdentifier]') do |e|
  nib_list << e.attribute('storyboardIdentifier').to_s
  if e.name.intern == :viewController
    prefix = e.attributes['id'].to_s
    e.each_element('view') do |v|
      view_id = v.attributes['id'].to_s
      nib_list << "#{prefix}-view-#{view_id}"
    end
  end
end

sorted_nib_list = nib_list.sort.map do |nib_prefix|
  "#{nib_prefix}.nib"
end

p sorted_nib_list