Class: RuTu::ValueNode

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

Direct Known Subclasses

NotValueNode, NullNode, RBasicNode

Instance Method Summary collapse

Constructor Details

#initialize(g, v) ⇒ ValueNode

Returns a new instance of ValueNode.



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# File 'lib/RuTu.rb', line 8

def initialize(g, v)
  @graph = g
  @value = v
end

Instance Method Details

#_obj_id ⇒ Object 



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# File 'lib/RuTu.rb', line 15

def _obj_id
  RuTuExt._obj_id(@value)
end

#color ⇒ Object 



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# File 'lib/RuTu.rb', line 33

def color
  "black"
end

#fields ⇒ Object 



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# File 'lib/RuTu.rb', line 27

def fields
  [ :header ]
end

#header_value ⇒ Object 



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# File 'lib/RuTu.rb', line 30

def header_value
  [ self.class.name.gsub(/.*::/, ''), _obj_id() ] 
end

#node_id ⇒ Object 



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# File 'lib/RuTu.rb', line 24

def node_id
  "node#{ _obj_id() }"
end

#same_value?(v) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/RuTu.rb', line 12

def same_value?(v)
  RuTuExt._equal?(@value, v)
end

#to_dot ⇒ Object 



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# File 'lib/RuTu.rb', line 36

def to_dot
  label = fields().map do |f|
    v = self.respond_to?("#{f}_value") ? self.send("#{f}_value") : f
    v = [ v ].flatten.map { |x| CGI.escapeHTML(x.to_s()) }.join("<br/>")
    %Q! <tr><td port="#{f}">#{v}</td></tr> ! 
  end.join(" ")
  label = "<table>#{label}</table>"
  node_id() + " [ shape=plaintext, color=#{color()}, label=<#{label}> ]"
end

#walk(new_value, node_class, relation) ⇒ Object 



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# File 'lib/RuTu.rb', line 18

def walk(new_value, node_class, relation)
  n = @graph.add(new_value, node_class)
  @graph.add_edge(self, n, relation)
  n
end