summaryrefslogtreecommitdiff
path: root/lib/optparse/kwargs.rb
blob: ccf20c65e9eab4bc9bb65b6a0540dd052463f3ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
# frozen_string_literal: true
require 'optparse'

class OptionParser
  # :call-seq:
  #   define_by_keywords(options, method, **params)
  #
  # :include: ../../doc/optparse/creates_option.rdoc
  #
  def define_by_keywords(options, meth, **opts)
    meth.parameters.each do |type, name|
      case type
      when :key, :keyreq
        op, cl = *(type == :key ? %w"[ ]" : ["", ""])
        define("--#{name}=#{op}#{name.upcase}#{cl}", *opts[name]) do |o|
          options[name] = o
        end
      end
    end
    options
  end
end