Module: Rake::Opt::KeywordArgs::InstanceMethods

Defined in:
lib/rake/opt/keyword_args.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#arg_options ⇒ Object

Returns the value of attribute arg_options.



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# File 'lib/rake/opt/keyword_args.rb', line 90

def arg_options
  @arg_options
end

Instance Method Details

#arg_hash_to_str(hash) ⇒ Object 



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# File 'lib/rake/opt/keyword_args.rb', line 151

def arg_hash_to_str(hash)
  args = ''
  hash.each{ |k, v| args << "#{k}=#{v} " }
  return args.strip
end

#parse_args(args) ⇒ Object

Raises:



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# File 'lib/rake/opt/keyword_args.rb', line 92

def parse_args(args)
  raise Error, 'Expected only one argument'  if args.count > 1
  args = (args.first && args.first.last) ? args.first.last : ''
  parsed_args = Hashie::Mash.new
  args.split(PARAM_SEPARATOR).each do |pair|
    arg, value = pair.split('=', 2)
    parsed_args[arg] = value.blank? ? nil : value
  end

  return parsed_args
end

#verify_and_merge_args(args) ⇒ Object 



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# File 'lib/rake/opt/keyword_args.rb', line 146

def verify_and_merge_args(args)
  verified = verify_args(args)
  return self.parse_args(args).merge(verified)
end

#verify_args(args) ⇒ Object 



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# File 'lib/rake/opt/keyword_args.rb', line 104

def verify_args(args)
  return args unless self.arg_options

  parsed_args = self.parse_args(args)
  output = Hashie::Mash.new
  self.arg_options.each do |arg_name, options|
    # Extract Value if it's set, otherwise, use the default
    if parsed_args[arg_name]
      value = parsed_args[arg_name]
    else
      value = options[:default]
    end

    # Cast the argument to the proper type
    if value.nil?
    # Keep it as nil
    elsif [Fixnum, Integer].include? options[:class]
      value = value.to_i
    elsif Float == options[:class]
      value = value.to_f
    elsif Symbol == options[:class]
      value = value.to_sym
    elsif Rational == options[:class]
      value = value.to_r
    elsif [String, nil].include? options[:class]
      value = value.to_s
    elsif Boolean == options[:class]
      value = %w{ 1 true yes t }.include? value.to_s.downcase
    else
      raise UnsupportedTypeError, "Arguments of type #{options[:class]} are not supported"
    end

    # Set the output value
    output[arg_name] = value

    if options[:required] && output[arg_name].nil? && !Rake.application.options.dryrun
      raise ValidationError, "Argument :#{arg_name} is required for Task #{self.name}"
    end
  end
  return output
end