class Docopt::Option

# File lib/docopt.rb, line 242
def initialize(short=nil, long=nil, argcount=0, value=false)
  unless [0, 1].include? argcount
    raise RuntimeError
  end

  @short, @long = short, long
  @argcount, @value = argcount, value

  if value == false and argcount > 0
    @value = nil
  else
    @value = value
  end
end

# File lib/docopt.rb, line 257
def self.parse(option_description)
  short, long, argcount, value = nil, nil, 0, false
  options, _, description = option_description.strip.partition('  ')

  options = options.gsub(',', ' ').gsub('=', ' ')

  for s in options.split
    if s.start_with?('--')
      long = s
    elsif s.start_with?('-')
      short = s
    else
      argcount = 1
    end
  end
  if argcount > 0
    matched = description.scan(/\[default: (.*)\]/i)
    value = matched[0][0] if matched.count > 0
  end
  new(short, long, argcount, value)
end

# File lib/docopt.rb, line 292
def inspect
  return "Option(#{self.short}, #{self.long}, #{self.argcount}, #{self.value})"
end

# File lib/docopt.rb, line 288
def name
  return self.long ? self.long : self.short
end

# File lib/docopt.rb, line 279
def single_match(left)
  left.each_with_index do |p, n|
    if self.name == p.name
      return [n, p]
    end
  end
  return [nil, nil]
end