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Class: ActiveSupport::NumberHelper::NumberToHumanSizeConverter

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, NumberConverter
Instance Chain:
self, NumberConverter
Inherits: ActiveSupport::NumberHelper::NumberConverter
Defined in: activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb

Constant Summary

NumberConverter - Inherited

DEFAULTS

Class Attribute Summary

NumberConverter - Inherited

.namespace, .namespace?, .validate_float, .validate_float?

Class Method Summary

NumberConverter - Inherited

.convert, .new

Instance Attribute Summary

NumberConverter - Inherited

#namespace, #namespace?, #number, #opts, #validate_float, #validate_float?

Instance Method Summary

NumberConverter - Inherited

#execute, #default_format_options, #default_value, #format_options, #i18n_format_options, #options, #translate_in_locale, #translate_number_value_with_default, #valid_bigdecimal

Constructor Details

This class inherits a constructor from ActiveSupport::NumberHelper::NumberConverter

Instance Attribute Details

#smaller_than_base? ⇒ Boolean (readonly, private)

[ GitHub ] 

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 51



def smaller_than_base?
  number.to_i.abs < base
end


  







Instance Method Details



  

    #base   (private)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 55



def base
  1024
end


  








  

    #conversion_format   (private)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 31



def conversion_format
  translate_number_value_with_default("human.storage_units.format", locale: options[:locale], raise: true)
end


  








  

    #convert  
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 13



def convert
  @number = Float(number)

  # For backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files.
  unless options.key?(:strip_insignificant_zeros)
    options[:strip_insignificant_zeros] = true
  end

  if smaller_than_base?
    number_to_format = number.to_i.to_s
  else
    human_size = number / (base**exponent)
    number_to_format = NumberToRoundedConverter.convert(human_size, options)
  end
  conversion_format.gsub("%n", number_to_format).gsub("%u", unit)
end


  








  

    #exponent   (private)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 44



def exponent
  max = STORAGE_UNITS.size - 1
  exp = (Math.log(number.abs) / Math.log(base)).to_i
  exp = max if exp > max # avoid overflow for the highest unit
  exp
end


  








  

    #storage_unit_key   (private)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 39



def storage_unit_key
  key_end = smaller_than_base? ? "byte" : STORAGE_UNITS[exponent]
  "human.storage_units.units.#{key_end}"
end


  








  

    #unit   (private)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/number_helper/number_to_human_size_converter.rb', line 35



def unit
  translate_number_value_with_default(storage_unit_key, locale: options[:locale], count: number.to_i, raise: true)
end