Module: Rootage::Normalizer

Defined in:
lib/rootage/normalizer.rb

Overview

Normalizer is a utility module that normalizes values into normalization types. If values cannot normalize, this method raises NormalizerValueError. Normalization types are followings:

  • boolean
  • string
  • integer
  • positive_integer
  • float
  • date

And array is treated as special type, this type means the value should be included in the array.

Class Method Summary collapse

Class Method Details

.normalize(type, val) ⇒ Object

Normalize the value as the normalization type.

Parameters:

  • type (Symbol) —

    normalization type

  • val (Object) —

    source value

Returns:

  • (Object) —

    the normalized value



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# File 'lib/rootage/normalizer.rb', line 25

def normalize(type, val)
  if type.nil?
    raise ArgumentError.new("Normalization type should not be nil.")
  end

  if respond_to?(type, true)
    send(type, val)
  else
    raise NormalizerTypeError.new(type)
  end
end

.set(name) {|val| ... } ⇒ Object

Set normalization function.

Parameters:

  • name (Symbol) —

    normalization type name

Yield Parameters:

  • val (Object) —

    source object



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# File 'lib/rootage/normalizer.rb', line 43

def set(name, &block)
  singleton_class.instance_eval do
    define_method(name, &block)
  end
end