Method: Mothership::Parser#parse_arguments

Defined in:
lib/mothership/parser.rb

#parse_arguments(args) ⇒ Object

FOO
BAR

FIZZ BUZZ:

1 2 => :fizz => 1, :buzz => 2
1 2 3 => :foo => 1, :fizz => 2, :buzz => 3
1 2 3 4 => :foo => 1, :bar => 2, :fizz => 3, :buzz => 4

Raises:



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# File 'lib/mothership/parser.rb', line 93

def parse_arguments(args)
  total = @command.arguments.size
  required = 0
  optional = 0
  @command.arguments.each do |arg|
    case arg[:type]
    when :optional
      optional += 1
    when :splat
      break
    else
      required += 1
    end
  end

  parse_optionals = args.size - required

  @command.arguments.each do |arg|
    name = arg[:name]
    next if @given.key? name

    input = @command.inputs[name]

    case arg[:type]
    when :splat
      @given[name] = []

      until args.empty?
        @given[name] << args.shift
      end

    when :optional
      if parse_optionals > 0 && val = args.shift
        @given[name] = val
        parse_optionals -= 1
      end

    else
      if val = args.shift
        @given[name] = val
      elsif !input[:default] && !input[:interact]
        raise MissingArgument.new(@command, name)
      end
    end
  end

  raise ExtraArguments.new(@command, args) unless args.empty?
end