Class: PipeOperator::Proxy

Inherits:
Module
  • Object
show all
Defined in:
lib/pipe_operator/proxy.rb

Instance Method Summary collapse

Constructor Details

#initialize(object, singleton) ⇒ Proxy

Returns a new instance of Proxy.



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# File 'lib/pipe_operator/proxy.rb', line 3

def initialize(object, singleton)
  @object = object if singleton.singleton_class?
  @singleton = singleton
  super()
end

Instance Method Details

#define(method) ⇒ Object 



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# File 'lib/pipe_operator/proxy.rb', line 9

def define(method)
  if ::Proc == @object && method == :new
    return method
  elsif ::Symbol == @singleton && method == :to_proc
    return method
  elsif ::Module === @object
    namespace = @object.name.to_s.split("::").first
    return method if namespace == "PipeOperator"
  end

  define_method(method) do |*args, &block|
    if Pipe.open
      Pipe.new(self).__send__(method, *args, &block)
    else
      super(*args, &block)
    end
  end
end

#definitions ⇒ Object 



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# File 'lib/pipe_operator/proxy.rb', line 28

def definitions
  instance_methods(false).sort
end

#inspect ⇒ Object 



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# File 'lib/pipe_operator/proxy.rb', line 32

def inspect
  inspect =
    if @singleton.singleton_class?
      ::PipeOperator.inspect(@object)
    else
      "#<#{@singleton.name}>"
    end

  "#<#{self.class.name}:#{inspect}>"
end

#prepended ⇒ Object 



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# File 'lib/pipe_operator/proxy.rb', line 43

def prepended(*)
  if is_a?(Proxy)
    methods = @singleton.instance_methods(false)
    methods.each { |method| define(method) }
  end

  super
end

#undefine(method) ⇒ Object 



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# File 'lib/pipe_operator/proxy.rb', line 52

def undefine(method)
  remove_method(method)
rescue ::NameError # ignore
  method
end