59 lines
1.8 KiB
Ruby
59 lines
1.8 KiB
Ruby
module Rails
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module Plugin
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class Locator
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include Enumerable
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attr_reader :initializer
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def initialize(initializer)
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@initializer = initializer
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end
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def plugins
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located_plugins.select(&:enabled?).sort
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end
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def each(&block)
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plugins.each(&block)
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end
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def plugin_names
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plugins.map(&:name)
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end
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private
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def located_plugins
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raise "The `located_plugins' method must be defined by concrete subclasses of #{self.class}"
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end
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end
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class FileSystemLocator < Locator
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private
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def located_plugins
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initializer.configuration.plugin_paths.flatten.inject([]) do |plugins, path|
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plugins.concat locate_plugins_under(path)
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plugins
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end.flatten
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end
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# This starts at the base path looking for directories that pass the plugin_path? test of the Plugin::Loader.
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# Since plugins can be nested arbitrarily deep within an unspecified number of intermediary directories,
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# this method runs recursively until it finds a plugin directory.
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#
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# e.g.
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#
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# locate_plugins_under('vendor/plugins/acts/acts_as_chunky_bacon')
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# => 'acts_as_chunky_bacon'
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def locate_plugins_under(base_path)
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Dir.glob(File.join(base_path, '*')).inject([]) do |plugins, path|
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plugin_loader = initializer.configuration.plugin_loader.new(initializer, path)
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if plugin_loader.plugin_path? && plugin_loader.enabled?
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plugins << plugin_loader
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elsif File.directory?(path)
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plugins.concat locate_plugins_under(path)
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end
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plugins
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end
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end
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end
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end
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end |