Class: ActiveSupport::FileWatcher

Inherits:
Object
  • Object
show all
Defined in:
activesupport/lib/active_support/file_watcher.rb

Defined Under Namespace

Classes: Backend

Instance Method Summary collapse

Constructor Details

#initialize ⇒ FileWatcher

Returns a new instance of FileWatcher.



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# File 'activesupport/lib/active_support/file_watcher.rb', line 14

def initialize
  @regex_matchers = {}
end

Instance Method Details

#trigger(files) ⇒ Object 



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# File 'activesupport/lib/active_support/file_watcher.rb', line 22

def trigger(files)
  trigger_files = Hash.new { |h,k| h[k] = Hash.new { |h2,k2| h2[k2] = [] } }

  files.each do |file, state|
    @regex_matchers.each do |pattern, block|
      trigger_files[block][state] << file if pattern === file
    end
  end

  trigger_files.each do |block, payload|
    block.call payload
  end
end

#watch(pattern, &block) ⇒ Object 



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# File 'activesupport/lib/active_support/file_watcher.rb', line 18

def watch(pattern, &block)
  @regex_matchers[pattern] = block
end