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author | Nicholas Seckar <nseckar@gmail.com> | 2006-03-27 05:13:46 +0000 |
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committer | Nicholas Seckar <nseckar@gmail.com> | 2006-03-27 05:13:46 +0000 |
commit | 9efca53908c09b7f188183aec6c0a4a2df347316 (patch) | |
tree | bd1eacf10bdcaef1112bf0c36d3a3743fb092733 /activesupport/lib/active_support/core_ext/module/introspection.rb | |
parent | 24403498ba8582d29f55aab16ffd5920dec1c669 (diff) | |
download | rails-9efca53908c09b7f188183aec6c0a4a2df347316.tar.gz rails-9efca53908c09b7f188183aec6c0a4a2df347316.tar.bz2 rails-9efca53908c09b7f188183aec6c0a4a2df347316.zip |
Dependencies cleanup. Fixes #4221.
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4060 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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 |