Contents

module Scrivito

class TypeComputer
  def initialize(base_class, fallback_class)
    @base_class, @fallback_class = base_class, fallback_class
    @type_cache = {}
  end

  def compute_type(obj_class)
    @type_cache.fetch(obj_class) { calculate_type(obj_class) }
  end

  def special_class?(klass)
    klass == @base_class || klass == @fallback_class
  end

  private

  def calculate_type(obj_class)
    load_class(obj_class) || @fallback_class
  end

  def load_class(obj_class)
    klass = obj_class.constantize
    klass if inherits_from_base?(klass)
  rescue NameError
  end

  def inherits_from_base?(klass)
    klass.ancestors.include?(@base_class) && klass != @base_class
  end
end

end

Version data entries

8 entries across 8 versions & 1 rubygems

Version	Path
scrivito_sdk-0.18.1	lib/scrivito/type_computer.rb
scrivito_sdk-0.18.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.17.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.16.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.15.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.14.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.13.0	lib/scrivito/type_computer.rb
scrivito_sdk-0.12.0	lib/scrivito/type_computer.rb