Class: ActiveSupport::FileWatcher

Inherits:

Object

• Object
• ActiveSupport::FileWatcher

show all

Defined in:

activesupport/lib/active_support/file_watcher.rb

Defined Under Namespace

Classes: Backend

Instance Method Summary (collapse)

• - (FileWatcher) initialize constructor

  A new instance of FileWatcher.

• - (Object) trigger(files)
• - (Object) watch(pattern, &block)

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

def initialize
  @regex_matchers = {}
end

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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

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

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