Module: HasGuardedHandlers

Defined in:
lib/has_guarded_handlers.rb,
lib/has_guarded_handlers/version.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Instance Method Details

#clear_handlers(type, *guards) ⇒ Object

Clear handlers with given guards

Parameters:

  • remove filters for a specific handler

  • take a look at the guards documentation



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# File 'lib/has_guarded_handlers.rb', line 23

def clear_handlers(type, *guards)
  @handlers[type].delete_if { |g, _| g == guards }
end

#initialize(*args) ⇒ Object 



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# File 'lib/has_guarded_handlers.rb', line 4

def initialize(*args)
  @handlers = {}
end

#register_handler(type, *guards) {|Object| ... } ⇒ Object

Register a handler

Parameters:

  • set the filter on a specific handler

  • take a look at the guards documentation

Yields:

  • (Object) —

    stanza the incoming event



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# File 'lib/has_guarded_handlers.rb', line 13

def register_handler(type, *guards, &handler)
  check_guards guards
  @handlers[type] ||= []
  @handlers[type] << [guards, handler]
end

#trigger_handler(type, event) ⇒ Object 



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# File 'lib/has_guarded_handlers.rb', line 27

def trigger_handler(type, event)
  return unless handler = @handlers[type]
  catch :halt do
    handler.find do |guards, handler|
      catch(:pass) { call_handler handler, guards, event }
    end
  end
end