23 lines
407 B
Ruby
23 lines
407 B
Ruby
class YieldParser
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Result = Struct.new(:number, :label)
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def self.parse(yield_string)
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begin
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vu = UnitConversion::parse(yield_string)
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rescue UnparseableUnitError
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vu = nil
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end
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case
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when vu.nil?
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nil
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when vu.unit.nil?
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Result.new(vu.raw_value.to_f, 'each')
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else
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Result.new(vu.raw_value.to_f, vu.unit.to_s.singularize)
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end
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end
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end |