Module: WeatherData::Temperature

Extended by:
Temperature
Included in:
Temperature
Defined in:
lib/weather_data/temperature.rb,
lib/weather_data/temperature/base.rb,
lib/weather_data/temperature/kelvin.rb,
lib/weather_data/temperature/celsius.rb,
lib/weather_data/temperature/fahrenheit.rb

Defined Under Namespace

Modules: HelperMethods Classes: Base, Celsius, Fahrenheit, Kelvin

Constant Summary collapse

CELSIUS = 
:C
FAHRENHEIT = 
:F
KELVIN = 
:K

Instance Method Summary collapse

Instance Method Details

#parse(s) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/weather_data/temperature.rb', line 16

def parse(s)
  degrees, units = s.match(/([+-]?\d+(?:\.\d+)?)\s*(°?#{CELSIUS}|°?#{FAHRENHEIT}|#{KELVIN})\b/u).to_a[1..2]

  raise ArgumentError.new(%Q{"#{s}" doesn't contain temperature}) unless degrees && units

  units_class(units).new(degrees.to_f)
end