Contents

# encoding: utf-8
require 'shellwords'
require 'fedux_org_stdlib/core_ext/shellwords/clean'

class Hash
  # Convert hash to command line options
  #
  # @example Convert true value
  #
  #   hash = {
  #     opt1: true
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1']
  #
  # @example Convert false value
  #
  #   hash = {
  #     opt1: false
  #   }
  #
  #   hash.to_options
  #   # => [ '--no-opt1']
  #
  # @example Convert other values
  #
  #   hash = {
  #     opt1: 'string'
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1', 'string']
  #
  # @example Clean keys
  #
  #   hash = {
  #     '$opt1' => 'string'
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1', 'string']
  #
  # @example Escape values
  #
  #   hash = {
  #     'opt1' => '$string'
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1', '\$string']
  def to_options
    each_with_object([]) do |(key, value), a|
      key = Shellwords.clean(key)

      if value.is_a? TrueClass
        a << "--#{key}"
      elsif value.is_a? FalseClass
        a << "--no-#{key}"
      else
        a << "--#{key}"
        a << Shellwords.escape(value)
      end
    end
  end
end

Version data entries

31 entries across 31 versions & 1 rubygems

Version	Path
fedux_org-stdlib-0.7.21	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.20	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.19	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.18	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.17	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.16	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.15	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.14	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.12	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.11	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.10	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.8	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.7	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.6	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.5	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.4	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.3	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.2	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.1	lib/fedux_org_stdlib/core_ext/hash/options.rb
fedux_org-stdlib-0.7.0	lib/fedux_org_stdlib/core_ext/hash/options.rb