gistfile1.rb

# this class will have to parse strings like "Data=B/P^122/82^^^^^^^" to get back a blood pressure of 122 over 82

class VitalSign
  attr_accessor :kind, :value
  
  def initialize(kind, value)
    @kind, @value = kind, value
  end
  
  def self.create_vital_sign_from_vista_string(vista_string)
    case vista_string
    when /Data=B\/P\^(\d+)\/(\d+).*/
      VitalSign.new(:blood_pressure, {:systolic => $1, :diastolic => $2})
    when /Data=Ht\.\^(\d+)\^(cm|in).*/
      VitalSign.new(:height, {:value => $1, :unit => $2})
    end
  end
end