Class: GraphViz::Types::LblString

Inherits:
Common show all
Defined in:
lib/graphviz/types/lbl_string.rb

Instance Method Summary collapse

Constructor Details

This class inherits a constructor from GraphViz::Types::Common

Instance Method Details

#check(data) ⇒ Object 



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# File 'lib/graphviz/types/lbl_string.rb', line 6

def check(data)
  return data
end

#output ⇒ Object Also known as: to_gv, to_s, to_ruby 



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# File 'lib/graphviz/types/lbl_string.rb', line 10

def output
  html = /^<(.*)>$/m.match(@data.to_s)
  if html != nil
    xml = "<gv>" + html[1].to_s + "</gv>"
    begin
      doc = REXML::Document.new(xml)
      unless doc.root.text == html[1].to_s
        "<#{html[1]}>"
      else
        @data.to_s.inspect.gsub( "\\\\", "\\" )
      end
    rescue REXML::ParseException => _
      @data.to_s.inspect.gsub( "\\\\", "\\" )
    end
  else
    @data.to_s.inspect.gsub( "\\\\", "\\" )
  end
end