Class: GeneralUnits::Base::Unit

Inherits:
Object
  • Object
show all
Defined in:
lib/general_units/units/base/unit.rb

Direct Known Subclasses

Length::Unit, Volume::Unit, Weight::Unit

Constant Summary collapse

METRIC_SYSTEMS = 
[:metric, :english, :american]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(owner_class, code, fractional, system = :metric) ⇒ Unit

Returns a new instance of Unit.



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# File 'lib/general_units/units/base/unit.rb', line 9

def initialize(owner_class, code, fractional, system = :metric)
  @owner_class = owner_class
  @code = code
  @fractional = fractional.to_d
  @system = system.to_sym
  METRIC_SYSTEMS.each do |s|
    class_eval do
      define_method "#{s}?" do
        self.system == s
      end
    end
  end
end

Instance Attribute Details

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/general_units/units/base/unit.rb', line 6

def code
  @code
end

#fractional ⇒ Object (readonly)

Returns the value of attribute fractional.



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# File 'lib/general_units/units/base/unit.rb', line 6

def fractional
  @fractional
end

#owner_class ⇒ Object (readonly)

Returns the value of attribute owner_class.



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# File 'lib/general_units/units/base/unit.rb', line 6

def owner_class
  @owner_class
end

#system ⇒ Object (readonly)

Returns the value of attribute system.



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# File 'lib/general_units/units/base/unit.rb', line 6

def system
  @system
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/general_units/units/base/unit.rb', line 30

def inspect
  code
end

#to_s(*args) ⇒ Object 



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# File 'lib/general_units/units/base/unit.rb', line 23

def to_s(*args)
  options = args.extract_options!
  options[:format] ||= :long
  options[:count] ||= 1
  i18n_key(code.to_sym, options)
end