diff options
Diffstat (limited to 'railties/lib/rails/plugin/locator.rb')
| -rw-r--r-- | railties/lib/rails/plugin/locator.rb | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/railties/lib/rails/plugin/locator.rb b/railties/lib/rails/plugin/locator.rb new file mode 100644 index 0000000000..6c4f2605bb --- /dev/null +++ b/railties/lib/rails/plugin/locator.rb @@ -0,0 +1,59 @@ +module Rails + module Plugin + class Locator + include Enumerable + attr_reader :initializer + + def initialize(initializer) + @initializer = initializer + end + + def plugins + located_plugins.select(&:enabled?).sort + end + + def each(&block) + plugins.each(&block) + end + + def plugin_names + plugins.map(&:name) + end + + private + def located_plugins + raise "The `located_plugins' method must be defined by concrete subclasses of #{self.class}" + end + end + + class FileSystemLocator < Locator + private + def located_plugins + initializer.configuration.plugin_paths.flatten.inject([]) do |plugins, path| + plugins.concat locate_plugins_under(path) + plugins + end.flatten + end + + # This starts at the base path looking for directories that pass the plugin_path? test of the Plugin::Loader. + # Since plugins can be nested arbitrarily deep within an unspecified number of intermediary directories, + # this method runs recursively until it finds a plugin directory. + # + # e.g. + # + # locate_plugins_under('vendor/plugins/acts/acts_as_chunky_bacon') + # => 'acts_as_chunky_bacon' + def locate_plugins_under(base_path) + Dir.glob(File.join(base_path, '*')).inject([]) do |plugins, path| + plugin_loader = initializer.configuration.plugin_loader.new(initializer, path) + if plugin_loader.plugin_path? && plugin_loader.enabled? + plugins << plugin_loader + elsif File.directory?(path) + plugins.concat locate_plugins_under(path) + end + plugins + end + end + end + end +end
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