Method: Launchr::Mixlib::CLI#guess_and_switchify_arguments

Defined in:

lib/launchr/mixin/mixlib_cli.rb

#guess_and_switchify_arguments(argv) ⇒ Object

# File 'lib/launchr/mixin/mixlib_cli.rb', line 389

def guess_and_switchify_arguments argv
  # collect argument declarations
  short_args = @arguments.values.map { |args| args[:short_strip] }
  long_args  = @arguments.values.map { |args| args[:long_strip]  }

  short_opts_args = @options_arguments.values.map { |args| args[:short_strip] }
  long_opts_args  = @options_arguments.values.map { |args| args[:long_strip]  }

  short_opts_args_unfiltered = @options_arguments.values.map { |args| args[:short] }
  long_opts_args_unfiltered  = @options_arguments.values.map { |args| args[:long]  }

  i = 0
  while i < argv.size

    # switchify the argv argument if it looks like a recognised argument
    if short_args.include?("-"+argv[i].sub(/^no-/,"").sub(/(=|\s).*/,""))
      argv[i] = "-" + argv[i]
    end

    if long_args.include?("--"+argv[i].sub(/^no-/,"").sub(/(=|\s).*/,""))
      argv[i] = "--" + argv[i]
    end

    # when the argv argument matches a recognised option or argument
    # without the style =value, the following argument might have to be skipped...

    # so find the index of the switch declaration
    j = nil
    if short_opts_args.include?(argv[i])
      j = short_opts_args.index(argv[i])
    end
    if long_opts_args.include?(argv[i])
      j = long_opts_args.index(argv[i])
    end

    if j
      # when the switch declaration has a required argument
      if short_opts_args_unfiltered[j] =~ /( .+|\<|\=|[A-Z])/
        # skip forward one
        i += 1
      end
      # when the switch declaration has a required argument
      if long_opts_args_unfiltered[j] =~ /( .+|\<|\=|[A-Z])/
        # skip forward one
        i += 1
      end
    end
    # next argument
    i += 1
  end

  argv
end