Module: Subvirtus::ClassMethods

Defined in:
lib/subvirtus.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/subvirtus.rb', line 7

def attributes
  @attributes
end

#set_attributes ⇒ Object (readonly)

Returns the value of attribute set_attributes.



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# File 'lib/subvirtus.rb', line 8

def set_attributes
  @set_attributes
end

#value_attributes ⇒ Object (readonly)

Returns the value of attribute value_attributes.



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# File 'lib/subvirtus.rb', line 9

def value_attributes
  @value_attributes
end

Instance Method Details

#attribute(name, type = nil, options = {}) ⇒ Object 



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# File 'lib/subvirtus.rb', line 11

def attribute( name, type = nil, options = {} )
  if @in_values
    @value_attributes ||= []
    @value_attributes << name unless @value_attributes.include? name
  end
  @attributes ||= []
  @attributes << name unless @attributes.include? name
  define_method( "#{ name }=") do |value|
    @set_attributes ||= []
    @set_attributes << name
    instance_variable_set "@#{ name }", value
  end
  define_method( name ) do
    value = instance_variable_get "@#{ name }"
    coercer = options[ :coercer ]
    default = options[ :default ]
    if coercer
      coercer.call value
    elsif value.nil? and not default.nil? and default.is_a? Symbol and respond_to? default
      send default
    else
      if type.is_a? Array
        if value.nil?
          []
        elsif value.is_a? Array
          value.map { |v| determine_value name, v, type.first, options }
        else
          determine_value name, value, type.first, options
        end
      else
        determine_value name, value, type, options
      end
    end
  end
  private :"#{ name }" if options[ :reader ] == :private
  self
end