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Versions: 14
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Contents
module Cucumber
module Core
class Event
# Macro to generate new sub-classes of {Event} with
# attribute readers.
def self.new(*attributes)
# Use normal constructor for subclasses of Event
return super if self.ancestors.index(Event) > 0
Class.new(Event) do
attr_reader(*attributes)
define_method(:initialize) do |*args|
attributes.zip(args) do |name, value|
instance_variable_set "@#{name}".to_sym, value
end
end
define_method(:attributes) do
attributes.map { |attribute| self.send(attribute) }
end
define_method(:to_h) do
attributes.reduce({}) { |result, attribute|
value = self.send(attribute)
result[attribute] = value
result
}
end
define_method(:event_id) do
self.class.event_id
end
end
end
class << self
# @return [Symbol] the underscored name of the class to be used
# as the key in an event registry.
def event_id
underscore(self.name.split("::").last).to_sym
end
private
def underscore(string)
string.to_s.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
gsub(/([a-z\d])([A-Z])/, '\1_\2').
tr("-", "_").
downcase
end
end
end
end
end
Version data entries
14 entries across 14 versions & 4 rubygems