Class: Literal::Method

Inherits:
Object
  • Object
show all
Defined in:
lib/literal/method.rb

Overview

 @api private

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, object_class) ⇒ Method

Returns a new instance of Method.



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# File 'lib/literal/method.rb', line 5

def initialize(name, object_class)
	@name = name
	@object_class = object_class

	@method = @object_class.instance_method(@name)
	@parameters = @method.parameters.map(&:first)

	@rest = @parameters.include?(:rest)
	@keyrest = @parameters.include?(:keyrest)

	@number_of_required_positional_parameters	= @parameters.count(:req)
	@number_of_optional_positional_parameters	= @parameters.count(:opt)

	@number_of_required_keyword_parameters = @parameters.count(:keyreq)
	@number_of_optional_keyword_parameters = @parameters.count(:key)

	@visibility = if @object_class.public_instance_methods.include?(name)
		:public
	elsif @object_class.protected_instance_methods.include?(name)
		:protected
	else
		:private
	end
end

Instance Attribute Details

#keyrest ⇒ Object (readonly) Also known as: keyrest?

Returns the value of attribute keyrest.



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# File 'lib/literal/method.rb', line 30

def keyrest
  @keyrest
end

#method ⇒ Object (readonly)

Returns the value of attribute method.



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# File 'lib/literal/method.rb', line 30

def method
  @method
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/literal/method.rb', line 30

def name
  @name
end

#number_of_optional_keyword_parameters ⇒ Object (readonly)

Returns the value of attribute number_of_optional_keyword_parameters.



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# File 'lib/literal/method.rb', line 30

def number_of_optional_keyword_parameters
  @number_of_optional_keyword_parameters
end

#number_of_optional_positional_parameters ⇒ Object (readonly)

Returns the value of attribute number_of_optional_positional_parameters.



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# File 'lib/literal/method.rb', line 30

def number_of_optional_positional_parameters
  @number_of_optional_positional_parameters
end

#number_of_required_keyword_parameters ⇒ Object (readonly)

Returns the value of attribute number_of_required_keyword_parameters.



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# File 'lib/literal/method.rb', line 30

def number_of_required_keyword_parameters
  @number_of_required_keyword_parameters
end

#number_of_required_positional_parameters ⇒ Object (readonly)

Returns the value of attribute number_of_required_positional_parameters.



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# File 'lib/literal/method.rb', line 30

def number_of_required_positional_parameters
  @number_of_required_positional_parameters
end

#object_class ⇒ Object (readonly)

Returns the value of attribute object_class.



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# File 'lib/literal/method.rb', line 30

def object_class
  @object_class
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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# File 'lib/literal/method.rb', line 30

def parameters
  @parameters
end

#rest ⇒ Object (readonly) Also known as: rest?

Returns the value of attribute rest.



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# File 'lib/literal/method.rb', line 30

def rest
  @rest
end

#visibility ⇒ Object (readonly)

Returns the value of attribute visibility.



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# File 'lib/literal/method.rb', line 30

def visibility
  @visibility
end

Instance Method Details

#<(other) ⇒ Object 



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# File 'lib/literal/method.rb', line 49

def <(other)
	self != other &&
		positional_parameters_match?(other) &&
			keyword_parameters_match?(other) &&
				visibility_match?(other)
end

#==(other) ⇒ Object 



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# File 'lib/literal/method.rb', line 45

def ==(other)
	@method == other.method
end

#keyword_parameters_match?(other) ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/literal/method.rb', line 74

def keyword_parameters_match?(other)
	number_of_required_keyword_parameters <= other.number_of_required_keyword_parameters && (
		keyrest? || (!other.keyrest? && (
			number_of_keyword_parameters >= other.number_of_keyword_parameters
		))
	)
end

#number_of_keyword_parameters ⇒ Object 



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# File 'lib/literal/method.rb', line 60

def number_of_keyword_parameters
	@number_of_required_keyword_parameters + @number_of_optional_keyword_parameters
end

#number_of_positional_parameters ⇒ Object 



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# File 'lib/literal/method.rb', line 56

def number_of_positional_parameters
	@number_of_required_positional_parameters + @number_of_optional_positional_parameters
end

#positional_parameters_match?(other) ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/literal/method.rb', line 66

def positional_parameters_match?(other)
	number_of_required_positional_parameters <= other.number_of_required_positional_parameters && (
		rest? || (!other.rest? && (
			number_of_positional_parameters >= other.number_of_positional_parameters
		))
	)
end

#visibility_match?(other) ⇒ Boolean (private)

Returns:

  • (Boolean) 


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# File 'lib/literal/method.rb', line 82

def visibility_match?(other)
	case other.visibility
	when :public
		visibility == :public
	when :protected
		visibility == :public || visibility == :protected
	else
		true
	end
end