Class: Listen::Directory
- Inherits:
-
Object
- Object
- Listen::Directory
- Defined in:
- lib/listen/directory.rb
Overview
TODO: refactor (turn it into a normal object, cache the stat, etc)
Class Method Summary collapse
- ._async_changes(snapshot, path, previous, options) ⇒ Object
- ._change(snapshot, type, path, options) ⇒ Object
- ._children(path) ⇒ Object
- .scan(snapshot, rel_path, options) ⇒ Object
Class Method Details
._async_changes(snapshot, path, previous, options) ⇒ Object
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# File 'lib/listen/directory.rb', line 56 def self._async_changes(snapshot, path, previous, ) fail "Not a Pathname: #{path.inspect}" unless path.respond_to?(:children) previous.each do |entry, data| # TODO: this is a hack with insufficient testing type = data.key?(:mtime) ? :file : :dir rel_path_s = (path + entry).to_s _change(snapshot, type, rel_path_s, ) end end |
._change(snapshot, type, path, options) ⇒ Object
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# File 'lib/listen/directory.rb', line 66 def self._change(snapshot, type, path, ) return snapshot.invalidate(type, path, ) if type == :dir # Minor param cleanup for tests # TODO: use a dedicated Event class opts = .dup opts.delete(:recursive) snapshot.invalidate(type, path, opts) end |
._children(path) ⇒ Object
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# File 'lib/listen/directory.rb', line 76 def self._children(path) return path.children unless RUBY_ENGINE == 'jruby' # JRuby inconsistency workaround, see: # https://github.com/jruby/jruby/issues/3840 exists = path.exist? directory = path.directory? return path.children unless exists && !directory raise Errno::ENOTDIR, path.to_s end |
.scan(snapshot, rel_path, options) ⇒ Object
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# File 'lib/listen/directory.rb', line 6 def self.scan(snapshot, rel_path, ) record = snapshot.record dir = Pathname.new(record.root) previous = record.dir_entries(rel_path) record.add_dir(rel_path) # TODO: use children(with_directory: false) path = dir + rel_path current = Set.new(_children(path)) Listen::Logger.debug do format('%s: %s(%s): %s -> %s', ([:silence] ? 'Recording' : 'Scanning'), rel_path, .inspect, previous.inspect, current.inspect) end begin current.each do |full_path| type = ::File.lstat(full_path.to_s).directory? ? :dir : :file item_rel_path = full_path.relative_path_from(dir).to_s _change(snapshot, type, item_rel_path, ) end rescue Errno::ENOENT # The directory changed meanwhile, so rescan it current = Set.new(_children(path)) retry end # TODO: this is not tested properly previous = previous.reject { |entry, _| current.include? path + entry } _async_changes(snapshot, Pathname.new(rel_path), previous, ) rescue Errno::ENOENT, Errno::EHOSTDOWN record.unset_path(rel_path) _async_changes(snapshot, Pathname.new(rel_path), previous, ) rescue Errno::ENOTDIR # TODO: path not tested record.unset_path(rel_path) _async_changes(snapshot, path, previous, ) _change(snapshot, :file, rel_path, ) rescue Listen::Logger.warn do format('scan DIED: %s:%s', $ERROR_INFO, $ERROR_POSITION * "\n") end raise end |