Method: Gem::OptionParser::Switch::PlacedArgument#parse

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

#parse(arg, argv, &error) ⇒ Object

Returns nil if argument is not present or begins with ‘-’ and is not ‘-’.



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# File 'lib/rubygems/vendor/optparse/lib/optparse.rb', line 784

def parse(arg, argv, &error)
  if !(val = arg) and (argv.empty? or /\A-./ =~ (val = argv[0]))
    return nil, block
  end
  opt = (val = parse_arg(val, &error))[1]
  val = conv_arg(*val)
  if opt and !arg
    argv.shift
  else
    omitted_argument val
    val[0] = nil
  end
  val
end