diff options
Diffstat (limited to 'activesupport/lib/active_support/dependencies/autoload.rb')
-rw-r--r-- | activesupport/lib/active_support/dependencies/autoload.rb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/dependencies/autoload.rb b/activesupport/lib/active_support/dependencies/autoload.rb new file mode 100644 index 0000000000..96ab04c61a --- /dev/null +++ b/activesupport/lib/active_support/dependencies/autoload.rb @@ -0,0 +1,49 @@ +require "active_support/inflector/methods" + +module ActiveSupport + module Autoload + @@autoloads = {} + @@under_path = nil + @@at_path = nil + @@autoload_defer = false + + def autoload(const_name, path = @@at_path) + full = [self.name, @@under_path, const_name.to_s, path].compact.join("::") + location = path || Inflector.underscore(full) + + unless @@autoload_defer + @@autoloads[const_name] = location + end + super const_name, location + end + + def autoload_under(path) + @@under_path, old_path = path, @@under_path + yield + ensure + @@under_path = old_path + end + + def autoload_at(path) + @@at_path, old_path = path, @@at_path + yield + ensure + @@at_path = old_path + end + + def deferrable + old_defer, @@autoload_defer = @@autoload_defer, true + yield + ensure + @@autoload_defer = old_defer + end + + def self.eager_autoload! + @@autoloads.values.each { |file| require file } + end + + def autoloads + @@autoloads + end + end +end |