Class: Gloss::Watcher
- Inherits:
-
Object
- Object
- Gloss::Watcher
- Defined in:
- lib/gloss/watcher.rb
Instance Method Summary collapse
-
#initialize(paths) ⇒ Watcher
constructor
A new instance of Watcher.
- #kill ⇒ Object
- #watch ⇒ Object
Constructor Details
#initialize(paths) ⇒ Watcher
Returns a new instance of Watcher.
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# File 'lib/gloss/watcher.rb', line 10 def initialize(paths) @paths = paths (if @paths.empty? @paths = [File.join(Dir.pwd, Config.src_dir)] @only = /(?:(\.gl|(?:(?<=\/)[^\.\/]+))\z|\A[^\.\/]+\z)/ else file_names = Array.new paths = Array.new @paths.each() { |pa| pn = Pathname.new(pa) paths.<<(pn.parent .to_s) file_names.<<((if pn.file? pn.basename .to_s else pa end)) } @paths = paths.uniq @only = /#{Regexp.union(file_names)}/ end) end |
Instance Method Details
#kill ⇒ Object
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# File 'lib/gloss/watcher.rb', line 74 def kill() Gloss.logger .info("Interrupt signal received, shutting down") (if @listener @listener.stop end) end |
#watch ⇒ Object
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# File 'lib/gloss/watcher.rb', line 33 def watch() Gloss.logger .info("Now listening for changes in #{@paths.join(", ")}") @listener ||= Listen.to(*@paths, latency: 2, only: @only) { |modified, added, removed| modified.+(added) .each() { |f| Gloss.logger .info("Rewriting #{f}") content = File.read(f) err = catch(:"error") { || Writer.new(Visitor.new(Parser.new(content) .run) .run, f) .run nil } (if err Gloss.logger .error(err) else Gloss.logger .info("Done") end) } removed.each() { |f| out_path = Utils.src_path_to_output_path(f) Gloss.logger .info("Removing #{out_path}") (if File.exist?(out_path) File.delete(out_path) end) Gloss.logger .info("Done") } } begin @listener.start sleep rescue Interrupt kill end end |