Class: Stamp::Emitters::Ordinal

Inherits:
Object
  • Object
show all
Defined in:
lib/stamp/emitters/ordinal.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(field) ⇒ Ordinal

Returns a new instance of Ordinal.

Parameters:

  • the (field) —

    field to be formatted (e.g. +:month+, +:year+)



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# File 'lib/stamp/emitters/ordinal.rb', line 7

def initialize(field)
  @field = field
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/stamp/emitters/ordinal.rb', line 4

def field
  @field
end

Instance Method Details

#format(target) ⇒ Object 



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# File 'lib/stamp/emitters/ordinal.rb', line 11

def format(target)
  ordinalize(target.send(field))
end

#ordinalize(number) ⇒ Object

Cribbed from ActiveSupport::Inflector https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflector/methods.rb



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# File 'lib/stamp/emitters/ordinal.rb', line 17

def ordinalize(number)
  number.to_s + if (11..13).include?(number % 100)
    'th'
  else
    case number % 10
      when 1; 'st'
      when 2; 'nd'
      when 3; 'rd'
      else    'th'
    end
  end
end