Class: EhbrsRubyUtils::CookingBook::Recipe::Measure

Inherits:
Object
  • Object
show all
Defined in:
lib/ehbrs_ruby_utils/cooking_book/recipe/measure.rb

Constant Summary collapse

FLOAT_PATTERN = 
/\d+(?:\.\d+)?/.freeze
FRACTION_PATTERN = 
%r{(#{FLOAT_PATTERN})(?:\s*/\s*(#{FLOAT_PATTERN}))?}.freeze
QUANTITY_UNIT_PATTERN = 
/\A#{FRACTION_PATTERN}(?:\s*(\S+))?\z/.freeze
VARIABLE_PATTERN = 
/\A~\z/.freeze
VARIABLE_TEXT = 
'a gosto'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build(value) ⇒ Object 



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# File 'lib/ehbrs_ruby_utils/cooking_book/recipe/measure.rb', line 14

def build(value)
  value = value.to_s.strip
  build_from_variable(value) || build_from_pattern(value) || build_unknown(value)
end

Instance Method Details

#quantity_to_s ⇒ Object 



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# File 'lib/ehbrs_ruby_utils/cooking_book/recipe/measure.rb', line 46

def quantity_to_s
  numerator.to_s + denominator.if_present('') { |v| "/ #{v}" }
end

#to_s ⇒ Object 



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# File 'lib/ehbrs_ruby_utils/cooking_book/recipe/measure.rb', line 40

def to_s
  return VARIABLE_TEXT if variable?

  "#{quantity_to_s} #{unit}"
end

#variable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ehbrs_ruby_utils/cooking_book/recipe/measure.rb', line 50

def variable?
  numerator.blank?
end