Constants

Attributes

Methods

Diagram.diagrammable()

  def self.diagrammable()
    return DIAGRAMMABLE
  end

Gets DIAGRAMMABLE. Returns the Set reference.

Diagram.verify_diagrammable(inst = nil)

  def self.verify_diagrammable(inst = nil)
    return DIAGRAMMABLE.include?(inst.class())
  end

Verifies an instance is diagrammable. Takes any instance, inst. Returns true in the case the argument is a diagrammable class's instance. Returns false otherwise.

Diagram.build(inst = nil)

  def self.build(inst = nil)
​
    case
    when inst.instance_of?(Node)
      return NodeDiagram.new(inst)
    when inst.instance_of?(LinkedList)
      return LLDiagram.new(inst)
    when !self.verify_diagrammable(inst)
      raise(ArgumentError, "#{inst} is not a diagrammable class instance.")
    end
​
  end

Builds an instance's diagram. Takes a diagrammable instance, inst. Returns the instance's Diagram kind instance.

Diagram.backward_arrow()

  def self.backward_arrow()
    return BACKWARD_ARROW
  end

Gets BACKWARD_ARROW, a backward arrow symbol. Returns the String reference.

Diagram.forward_arrow()

  def self.forward_arrow()
    return FORWARD_ARROW
  end

Gets FORWARD_ARROW, a forward arrow symbol. Returns the String reference.

Diagram.pipe()

  def self.pipe()
    return PIPE
  end

Gets PIPE, a vertical line String. Returns the reference.

Diagram.space()

  def self.space()
    return SPACE
  end

Gets SPACE, a space character. Returns the String reference.