Method: Gem::OptionParser::List#summarize

Defined in:
lib/rubygems/vendor/optparse/lib/optparse.rb

#summarize(*args, &block) ⇒ Object

Creates the summary table, passing each line to the block (without newline). The arguments args are passed along to the summarize method which is called on every option.



955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
 
# File 'lib/rubygems/vendor/optparse/lib/optparse.rb', line 955

def summarize(*args, &block)
  sum = []
  list.reverse_each do |opt|
    if opt.respond_to?(:summarize) # perhaps Gem::OptionParser::Switch
      s = []
      opt.summarize(*args) {|l| s << l}
      sum.concat(s.reverse)
    elsif !opt or opt.empty?
      sum << ""
    elsif opt.respond_to?(:each_line)
      sum.concat([*opt.each_line].reverse)
    else
      sum.concat([*opt.each].reverse)
    end
  end
  sum.reverse_each(&block)
end