Class: StringWithUnit::Value

Inherits:
Object
  • Object
show all
Defined in:
lib/string_with_unit/value.rb

Constant Summary collapse

FORMAT = 
"%s %s".freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value, singular_unit, plural_unit = nil) ⇒ Value

Returns a new instance of Value.



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# File 'lib/string_with_unit/value.rb', line 3

def initialize(value, singular_unit, plural_unit = nil)
  @value = value
  @singular_unit = singular_unit
  @plural_unit = plural_unit
end

Instance Attribute Details

#singular_unit ⇒ Object (readonly)

Returns the value of attribute singular_unit.



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# File 'lib/string_with_unit/value.rb', line 8

def singular_unit
  @singular_unit
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/string_with_unit/value.rb', line 8

def value
  @value
end

Instance Method Details

#plural_unit ⇒ Object 



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# File 'lib/string_with_unit/value.rb', line 24

def plural_unit
  if @plural_unit
    @plural_unit
  elsif FORMAT.respond_to?(:pluralize)
    @plural_unit = singular_unit.pluralize
  else
    singular_unit
  end
end

#singular_number? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/string_with_unit/value.rb', line 20

def singular_number?
  value == 1
end

#to_s ⇒ Object 



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# File 'lib/string_with_unit/value.rb', line 12

def to_s
  format(FORMAT, value, unit)
end

#unit ⇒ Object 



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# File 'lib/string_with_unit/value.rb', line 16

def unit
  singular_number? ? singular_unit : plural_unit
end