Class: Graph::Thingy

Inherits:
Struct show all
Defined in:
lib/graph.rb

Overview

You know… THINGY!

Has a pointer back to its graph parent and attributes.

Direct Known Subclasses

Edge, Node

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(graph) ⇒ Thingy

:nodoc:



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# File 'lib/graph.rb', line 500

def initialize graph # :nodoc:
  super graph, []
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes

Returns:

  • (Object) —

    the current value of attributes



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# File 'lib/graph.rb', line 499

def attributes
  @attributes
end

#graph ⇒ Object

Returns the value of attribute graph

Returns:

  • (Object) —

    the current value of graph



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# File 'lib/graph.rb', line 499

def graph
  @graph
end

Instance Method Details

#attributes? ⇒ Boolean

Does this thing have attributes?

Returns:

  • (Boolean) 


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# File 'lib/graph.rb', line 521

def attributes?
  not self.attributes.empty?
end

#initialize_copy(other) ⇒ Object

:nodoc:



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# File 'lib/graph.rb', line 504

def initialize_copy other # :nodoc:
  super
  self.attributes = other.attributes.dup
end

#label(name) ⇒ Object

Shortcut method to set the label attribute.



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# File 'lib/graph.rb', line 512

def label name
  attributes.reject! { |s| s =~ /^label =/ }
  attributes << "label = #{Graph.escape_label name}"
  self
end