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

22 lines
625 B
Ruby

class Module
# Return the module which contains this one; if this is a root module, such as
# +::MyModule+, then Object is returned.
def parent
parent_name = name.split('::')[0..-2] * '::'
parent_name.empty? ? Object : parent_name.constantize
end
# Return all the parents of this module, ordered from nested outwards. The
# receiver is not contained within the result.
def parents
parents = []
parts = name.split('::')[0..-2]
until parts.empty?
parents << (parts * '::').constantize
parts.pop
end
parents << Object unless parents.include? Object
parents
end
end