instiki/vendor/rails/activesupport/lib/active_support/core_ext/class/removal.rb
2007-01-22 07:43:50 -06:00

25 lines
676 B
Ruby

class Class #:nodoc:
def remove_subclasses
Object.remove_subclasses_of(self)
end
def subclasses
Object.subclasses_of(self).map { |o| o.to_s }
end
def remove_class(*klasses)
klasses.flatten.each do |klass|
# Skip this class if there is nothing bound to this name
next unless defined?(klass.name)
basename = klass.to_s.split("::").last
parent = klass.parent
# Skip this class if it does not match the current one bound to this name
next unless parent.const_defined?(basename) && klass = parent.const_get(basename)
parent.send :remove_const, basename unless parent == klass
end
end
end