class FlogCLI

def self.parse_options args = ARGV, extra_options = {}
  option = {
    :quiet    => false,
    :continue => false,
    :parser   => RubyParser,
  }.merge extra_options
  OptionParser.new do |opts|
    opts.separator "Standard options:"
    opts.on("-a", "--all", "Display all flog results, not top 60%.") do
      option[:all] = true
    end
    opts.on("-b", "--blame", "Include blame information for methods.") do
      option[:blame] = true
    end
    opts.on("-c", "--continue", "Continue despite syntax errors.") do
      option[:continue] = true
    end
    opts.on("-d", "--details", "Show method details.") do
      option[:details] = true
    end
    opts.on("-g", "--group", "Group and sort by class.") do
      option[:group] = true
    end
    opts.on("-h", "--help", "Show this message.") do
      puts opts
      exit
    end
    opts.on("-I dir1,dir2,dir3", Array, "Add to LOAD_PATH.") do |dirs|
      dirs.each do |dir|
        $: << dir
      end
    end
    opts.on("-m", "--methods-only", "Skip code outside of methods.") do
      option[:methods] = true
    end
    opts.on("-q", "--quiet", "Don't show parse errors.") do
      option[:quiet] = true
    end
    opts.on("-e", "--extended", "Put file:line on a separate line (for rubymine & friends).") do
      option[:extended] = true
    end
    opts.on("-s", "--score", "Display total score only.") do
      option[:score] = true
    end
    opts.on("-tN", "--threshold=N", Integer, "Set the report cutoff threshold (def: 60%).") do |n|
      option[:threshold] = n / 100.0
    end
    opts.on("-v", "--verbose", "Display progress during processing.") do
      option[:verbose] = true
    end
    next if self.plugins.empty?
    opts.separator "Plugin options:"
    extra = self.method_scores.grep(/parse_options/) - %w(parse_options)
    extra.sort.each do |msg|
      self.send msg, opts, option
    end
  end.parse! Array(args)
  option
end