1require 'optparse' 2 3class OptionParser::AC < OptionParser 4 private 5 6 def _check_ac_args(name, block) 7 unless /\A\w[-\w]*\z/ =~ name 8 raise ArgumentError, name 9 end 10 unless block 11 raise ArgumentError, "no block given", ParseError.filter_backtrace(caller) 12 end 13 end 14 15 def _ac_arg_enable(prefix, name, help_string, block) 16 _check_ac_args(name, block) 17 18 sdesc = [] 19 ldesc = ["--#{prefix}-#{name}"] 20 desc = [help_string] 21 q = name.downcase 22 enable = Switch::NoArgument.new(nil, proc {true}, sdesc, ldesc, nil, desc, block) 23 disable = Switch::NoArgument.new(nil, proc {false}, sdesc, ldesc, nil, desc, block) 24 top.append(enable, [], ["enable-" + q], disable, ['disable-' + q]) 25 enable 26 end 27 28 public 29 30 def ac_arg_enable(name, help_string, &block) 31 _ac_arg_enable("enable", name, help_string, block) 32 end 33 34 def ac_arg_disable(name, help_string, &block) 35 _ac_arg_enable("disable", name, help_string, block) 36 end 37 38 def ac_arg_with(name, help_string, &block) 39 _check_ac_args(name, block) 40 41 sdesc = [] 42 ldesc = ["--with-#{name}"] 43 desc = [help_string] 44 q = name.downcase 45 with = Switch::PlacedArgument.new(*search(:atype, String), sdesc, ldesc, nil, desc, block) 46 without = Switch::NoArgument.new(nil, proc {}, sdesc, ldesc, nil, desc, block) 47 top.append(with, [], ["with-" + q], without, ['without-' + q]) 48 with 49 end 50end 51