Contents

class DoubleException < RuntimeError
end

class GraphViz
  class Types
    class GvDouble < Common
      FLOAT_MASK = /[-+]?(?:[0-9]*\.[0-9]+|[0-9]+)/

      def check(data)
        if data.kind_of?(Numeric) or (data.is_a?(String) and FLOAT_MASK.match(data))
          return data
        end

        raise DoubleException, "Invalid double value"
      end
      
      def output
        return @data.to_s.inspect.gsub( "\\\\", "\\" )
      end
      
      def to_f
        @data.to_f
      end
      
      alias :to_gv :output
      alias :to_s :output
      alias :to_ruby :to_f
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
ruby-graphviz-1.0.3	lib/graphviz/types/gv_double.rb
ruby-graphviz-1.0.2	lib/graphviz/types/gv_double.rb
ruby-graphviz-1.0.1	lib/graphviz/types/gv_double.rb