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author | Marcel Molina <marcel@vernix.org> | 2007-03-02 23:39:29 +0000 |
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committer | Marcel Molina <marcel@vernix.org> | 2007-03-02 23:39:29 +0000 |
commit | 15c466dd729e744379380d08b8c25b9860fd836d (patch) | |
tree | 1adf48f88b4cb7d7d98e939584f6c3c7a304bba5 /railties/lib/plugin/locater.rb | |
parent | b0e1430c523cf09155f72d5996be2cc2bf8e2eb7 (diff) | |
download | rails-15c466dd729e744379380d08b8c25b9860fd836d.tar.gz rails-15c466dd729e744379380d08b8c25b9860fd836d.tar.bz2 rails-15c466dd729e744379380d08b8c25b9860fd836d.zip |
Split out the basic plugin locator functionality into an abstract super class. Add a FileSystemLocator to do the job of checking the plugin_paths for plugins. Add plugin_locators configuration option which will iterate over the set of plugin locators and load each of the plugin loaders they return. Rename locater everywhere to locator. [Marcel Molina Jr.]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6290 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'railties/lib/plugin/locater.rb')
-rw-r--r-- | railties/lib/plugin/locater.rb | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/railties/lib/plugin/locater.rb b/railties/lib/plugin/locater.rb deleted file mode 100644 index 4a7aa774ee..0000000000 --- a/railties/lib/plugin/locater.rb +++ /dev/null @@ -1,88 +0,0 @@ -module Rails - module Plugin - class Locater - include Enumerable - attr_reader :initializer - - def initialize(initializer) - @initializer = initializer - end - - def plugins - if !explicit_plugin_loading_order? - # We don't care about which plugins get loaded or in what order they are loaded - # so we load 'em all in a reliable order - located_plugins.sort - elsif !registered_plugins.empty? - registered_plugins.inject([]) do |plugins, registered_plugin| - report_plugin_missing!(registered_plugin) unless plugin = locate_registered_plugin(registered_plugin) - plugins << plugin - end - else - [] - end - end - - def each(&block) - plugins.each(&block) - end - - def plugin_names - plugins.map {|plugin| plugin.name} - end - - private - def locate_registered_plugin(registered_plugin) - located_plugins.detect {|plugin| plugin.name == registered_plugin } - end - - def report_plugin_missing!(name) - raise LoadError, "Cannot find the plugin you registered called '#{name}'!" - end - - def explicit_plugin_loading_order? - !registered_plugins.nil? - end - - # The plugins that have been explicitly listed with config.plugins. If this list is nil - # then it means the client does not care which plugins or in what order they are loaded, - # so we load all in alphabetical order. If it is an empty array, we load no plugins, if it is - # non empty, we load the named plugins in the order specified. - def registered_plugins - initializer.configuration.plugins - end - - def located_plugins - # We cache this as locate_plugins_under on the entire set of plugin directories could - # be potentially expensive - @located_plugins ||= - begin - initializer.configuration.plugin_paths.flatten.inject([]) do |plugins, path| - plugins.concat locate_plugins_under(path) - plugins - end.flatten - end - 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? - plugins << plugin_loader if plugin_loader.enabled? - elsif File.directory?(path) - plugins.concat locate_plugins_under(path) - end - plugins - end - end - end - end -end
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