class Diagram
Diagram
. @class_description
A Diagram library's implementation.
Diagram
. @class_description
A Diagram library's implementation. Implements Diagram's interface.
Constants
- BACKWARD_ARROW
Private constants.
- DIAGRAMMABLE
- FORWARD_ARROW
- PIPE
- SPACE
- VERSION
Public Class Methods
backward_arrow()
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self.backward_arrow(). @description
Gets a backward arrow symbol.
@return [String]
BACKWARD_ARROW'S reference.
# File lib/diagram_impl.rb, line 60 def self.backward_arrow() return BACKWARD_ARROW end
build(inst = nil)
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self.build(inst = nil). @description
Builds an instance's diagram.
@param inst [.]
Any diagrammable instance.
@return [.]
The instance's Diagram kind instance.
# File lib/diagram_impl.rb, line 42 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
diagrammable()
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self.diagrammable(). @description
Gets DIAGRAMMABLE.
@return [Set]
DIAGRAMMABLE's reference.
# File lib/diagram_impl.rb, line 19 def self.diagrammable() return DIAGRAMMABLE end
forward_arrow()
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self.forward_arrow(). @description
Gets a forward arrow symbol.
@return [String]
FORWARD_ARROW's reference.
# File lib/diagram_impl.rb, line 69 def self.forward_arrow() return FORWARD_ARROW end
pipe()
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self.pipe(). @description
Gets a vertical line symbol.
@return [String]
PIPE's reference.
# File lib/diagram_impl.rb, line 78 def self.pipe() return PIPE end
space()
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self.space(). @description
Gets a space character.
@return [String]
SPACE's reference.
# File lib/diagram_impl.rb, line 87 def self.space() return SPACE end
verify_diagrammable(inst = nil)
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self.verify_diagrammable(inst = nil). @description
Verifies an instance is diagrammable.
@param inst [.]
Any instance.
@return [TrueClass, FalseClass]
True in the case the argument is a Diagrammable class instance. False otherwise.
# File lib/diagram_impl.rb, line 31 def self.verify_diagrammable(inst = nil) return DIAGRAMMABLE.include?(inst.class()) end