Class: Optimist::LongNames

Inherits:
Object
  • Object
show all
Defined in:
lib/optimist.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ LongNames

Returns a new instance of LongNames.



694
695
696
697
698
 
# File 'lib/optimist.rb', line 694

def initialize
  @truename = nil
  @long = nil
  @alts = []
end

Instance Method Details

#long ⇒ Object

long specified with :long has precedence over the true-name



718
 
# File 'lib/optimist.rb', line 718

def long ; @long || @truename ; end

#make_valid(lopt) ⇒ Object 



700
701
702
703
704
705
706
707
 
# File 'lib/optimist.rb', line 700

def make_valid(lopt)
  return nil if lopt.nil?
  case lopt.to_s
  when /^--([^-].*)$/ then $1
  when /^[^-]/        then lopt.to_s
  else                     raise ArgumentError, "invalid long option name #{lopt.inspect}"
  end
end

#names ⇒ Object

all valid names, including alts



721
722
723
 
# File 'lib/optimist.rb', line 721

def names
  [long] + @alts
end

#set(name, lopt, alts) ⇒ Object 



709
710
711
712
713
714
715
 
# File 'lib/optimist.rb', line 709

def set(name, lopt, alts)
  @truename = name
  lopt = lopt ? lopt.to_s : name.to_s.gsub("_", "-")
  @long = make_valid(lopt)
  alts = [alts] unless alts.is_a?(Array) # box the value
  @alts = alts.map { |alt| make_valid(alt) }.compact
end