Module: Rviz::Helper

Included in:
Edge, Graph, Node
Defined in:
lib/rviz.rb

Instance Method Summary collapse

Instance Method Details

#attrs_to_s ⇒ Object

convert attr hash to a string in dot format



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# File 'lib/rviz.rb', line 4

def attrs_to_s
  attr_strs = Array.new

  @attrs.each do |k,v|
    k = self.quote(k)
    v = self.quote(v)
    attr_strs << sprintf('%s=%s', k, v)
  end
  attr_strs.join(", ")
end

#quote(str) ⇒ Object 



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# File 'lib/rviz.rb', line 19

def quote str
  if str.match(/\W/)
    %Q{"#{str.to_s}"}
  else
    str.to_s
  end
end

#set(key, value) ⇒ Object 



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

def set key, value
  @attrs[key] = value
end