Module: IIRC::Hooks

Included in:
Bot
Defined in:
lib/iirc/modules/hooks.rb

Instance Method Summary collapse

Instance Method Details

#>>(line) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 18

def >>(line)
  evt = parse(line)
  fire! evt.verb, evt
end

#call(action, *args, **kwargs) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 57

def call action, *args, **kwargs
  case action
  when Symbol
    args = method(action).arity.then { |n| n.negative? ? args : args[...n] }
    send(action, *args, **kwargs)
  else
    action.call(*args, **kwargs)
  end
end

#fire!(verb, *args, **kwargs) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 49

def fire! verb, *args, **kwargs
  for action in hook_seq(verb)
    call action, *args, **kwargs
  end
rescue StopIteration
  StopIteration
end

#hook(action = nil, &blk) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 45

def hook action=nil, &blk
  on nil, action, &blk
end

#hook_seq(verb) ⇒ Object (protected) 



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# File 'lib/iirc/modules/hooks.rb', line 68

def hook_seq(verb)
  [*hooks[nil], (:"on_#{verb}" if respond_to?(:"on_#{verb}")), *hooks[verb]].compact
end

#hooks ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 3

def hooks
  @hooks ||= Hash.new { |h,v| h[v] = Set.new }
end

#off(verb, action = nil, &blk) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 36

def off verb, action=nil, &blk
  action ||= blk
  if action
    hooks[verb].delete action
  else
    hooks[verb].clear
  end
end

#on(verb = nil, action = nil, &blk) ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 23

def on verb=nil, action=nil, &blk
  if action and blk
    define_singleton_method(action, blk)
    singleton_class.send :private, action
  end

  if action or blk
    hooks[verb] << (action || blk)
  else
    hooks[verb]
  end
end

#run ⇒ Object 



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# File 'lib/iirc/modules/hooks.rb', line 7

def run
  lines { |line|
    begin
      self >> line
    rescue Exception => ex
      puts ex.message
      puts ex.backtrace
    end
  }
end