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author | Joshua Peek <josh@joshpeek.com> | 2009-05-07 10:29:22 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-05-07 10:29:22 -0500 |
commit | 2854535b02bcee3668bda02c76c3105fc24730d3 (patch) | |
tree | b78660942bdc6f532a1109da57ee40d7d31cf603 /activesupport/lib/active_support/dependency_module.rb | |
parent | 783deae99a4850f597135146b19e7ee4622da94e (diff) | |
download | rails-2854535b02bcee3668bda02c76c3105fc24730d3.tar.gz rails-2854535b02bcee3668bda02c76c3105fc24730d3.tar.bz2 rails-2854535b02bcee3668bda02c76c3105fc24730d3.zip |
Make module dependency DSL opt in
Diffstat (limited to 'activesupport/lib/active_support/dependency_module.rb')
-rw-r--r-- | activesupport/lib/active_support/dependency_module.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/dependency_module.rb b/activesupport/lib/active_support/dependency_module.rb new file mode 100644 index 0000000000..0e1cc67b53 --- /dev/null +++ b/activesupport/lib/active_support/dependency_module.rb @@ -0,0 +1,24 @@ +module ActiveSupport + module DependencyModule + def setup(&blk) + @_setup_block = blk + end + + def append_features(base) + return if base < self + (@_dependencies ||= []).each { |dep| base.send(:include, dep) } + super + end + + def included(base) + base.extend const_get("ClassMethods") if const_defined?("ClassMethods") + base.class_eval(&@_setup_block) if instance_variable_defined?("@_setup_block") + end + + def depends_on(mod) + return if self < mod + @_dependencies ||= [] + @_dependencies << mod + end + end +end |