Module: ValueClass::ClassMethods

Defined in:
lib/value_class.rb

Instance Method Summary collapse

Instance Method Details

#config_help(prefix = "") ⇒ Object 



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# File 'lib/value_class.rb', line 87

def config_help(prefix = "")
  [
    "#{name}: #{value_description}",
    "  attributes:",
    value_attributes.map { |ca| ca.description(prefix + "    ") }
  ].flatten.join("\n") + "\n"
end

#declare_comparison_operators ⇒ Object 



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# File 'lib/value_class.rb', line 99

def declare_comparison_operators
  unless @comparison_operators_declared
    @comparison_operators_declared = true

    include AttrComparable
    attr_compare(value_attributes.map(&:name))
  end
end

#inherited(new_child_class) ⇒ Object 



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# File 'lib/value_class.rb', line 108

def inherited(new_child_class)
  value_attributes.each { |attr| new_child_class.value_attributes << attr }
end

#value_attr(attribute_name, options = {}) ⇒ Object 



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# File 'lib/value_class.rb', line 75

def value_attr(attribute_name, options = {})
  attribute = Attribute.new(attribute_name, options)
  value_attributes << attribute

  attr_reader(attribute.name)
end

#value_attributes ⇒ Object 



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# File 'lib/value_class.rb', line 95

def value_attributes
  @value_attributes ||= []
end

#value_attrs(*args) ⇒ Object 



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# File 'lib/value_class.rb', line 82

def value_attrs(*args)
  options = args.last.is_a?(::Hash) ? args.pop : {}
  args.each { |arg| value_attr(arg, options) }
end

#value_description(value = nil) ⇒ Object 



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# File 'lib/value_class.rb', line 64

def value_description(value = nil)
  if value
    @value_description = value
  end
  @value_description
end

#value_list_attr(attribute_name, options = {}) ⇒ Object 



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# File 'lib/value_class.rb', line 71

def value_list_attr(attribute_name, options = {})
  value_attr(attribute_name, options.merge(default: [], class_name: nil, list_of_class: options[:class_name]))
end