diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/module/introspection.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/module/introspection.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/introspection.rb b/activesupport/lib/active_support/core_ext/module/introspection.rb new file mode 100644 index 0000000000..0cd0d1ff2c --- /dev/null +++ b/activesupport/lib/active_support/core_ext/module/introspection.rb @@ -0,0 +1,21 @@ +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 |