ruby/lib/optparse/ac.rb

51 строка
1.4 KiB
Ruby

require 'optparse'
class OptionParser::AC < OptionParser
private
def _check_ac_args(name, block)
unless /\A\w[-\w]*\z/ =~ name
raise ArgumentError, name
end
unless block
raise ArgumentError, "no block given", ParseError.filter_backtrace(caller)
end
end
def _ac_arg_enable(prefix, name, help_string, block)
_check_ac_args(name, block)
sdesc = []
ldesc = ["--#{prefix}-#{name}"]
desc = [help_string]
q = name.downcase
enable = Switch::NoArgument.new(nil, proc {true}, sdesc, ldesc, nil, desc, block)
disable = Switch::NoArgument.new(nil, proc {false}, sdesc, ldesc, nil, desc, block)
top.append(enable, [], ["enable-" + q], disable, ['disable-' + q])
enable
end
public
def ac_arg_enable(name, help_string, &block)
_ac_arg_enable("enable", name, help_string, block)
end
def ac_arg_disable(name, help_string, &block)
_ac_arg_enable("disable", name, help_string, block)
end
def ac_arg_with(name, help_string, &block)
_check_ac_args(name, block)
sdesc = []
ldesc = ["--with-#{name}"]
desc = [help_string]
q = name.downcase
with = Switch::PlacedArgument.new(*search(:atype, String), sdesc, ldesc, nil, desc, block)
without = Switch::NoArgument.new(nil, proc {}, sdesc, ldesc, nil, desc, block)
top.append(with, [], ["with-" + q], without, ['without-' + q])
with
end
end