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module PatronusFati
# This module provides the basis for an automatic Factory registration and
# generation system. Other modules that wish to make use of this
# functionality should extend this module. Those modules should then in turn
# be included by their respective generators.
module FactoryBase
# Turns the name of a class into it's snake cased equivalent.
#
# @param [Object] klass
# @return [Symbol]
def class_to_name(klass)
klass.to_s.split('::').last.scan(/[A-Z][a-z]*/).map(&:downcase)
.join('_').to_sym
end
# Factory method for triggering the lookup and return of the specific
# requested type of factory.
#
# @param [Symbol] type Type of generator to create
# @param [Hash<Symbol=>String>] options
def factory(type, opts = {})
return if ignored_types.include?(type)
if registered_factories[type].nil?
warn("Unknown factory #{type} (Available: #{registered_factories.keys})")
#puts opts.inspect
return
end
registered_factories[type].process(opts)
end
# Placeholder mechanism to allow sub-generators to not generate any
# warnings for specific types.
#
# @return [Array<Symbol>]
def ignored_types
[]
end
# Trigger for when this module gets included to register it with the
# factory.
#
# @param [Object#create] klass
# @return [Object]
def included(klass)
registered_factories[class_to_name(klass)] = klass
end
# Returns the hash containing the set of registered factories or
# initializes it if one doesn't exist.
#
# @return [Hash<Symbol=>Object>]
def registered_factories
@registered_factories ||= {}
end
end
end
Version data entries
44 entries across 44 versions & 1 rubygems