Class: FoodIngredientParser::Loose::Transform::SplitENumbers

Inherits:
Object
  • Object
show all
Defined in:
lib/food_ingredient_parser/loose/transform/split_e_numbers.rb

Constant Summary collapse

SPLIT_RE =
Note:

mark and amount is lost, this is not expected on e-numbers

Transforms node tree to split e-number combinations.

/\s*(-|\ben\b|\band\b|\bund\b|\bet\b)\s*/.freeze
SINGLE_RE = 
/E(-|\s+)?\d{3}[a-z]?\s*(\([iv]+\)|\[[iv]+\])?/i.freeze
MATCH_RE = 
/\A\s*(#{SINGLE_RE})(?:#{SPLIT_RE}(#{SINGLE_RE}))+\s*\z/i.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node) ⇒ SplitENumbers

Returns a new instance of SplitENumbers.



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# File 'lib/food_ingredient_parser/loose/transform/split_e_numbers.rb', line 18

def initialize(node)
  @node = node
end

Class Method Details

.transform!(node) ⇒ Object 



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# File 'lib/food_ingredient_parser/loose/transform/split_e_numbers.rb', line 14

def self.transform!(node)
  new(node).transform!
end

Instance Method Details

#transform! ⇒ Object 



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# File 'lib/food_ingredient_parser/loose/transform/split_e_numbers.rb', line 22

def transform!
  transform_node!(@node)
  @node
end