A subgraph element is the same to graph, but has another header in dot notation.
# File lib/puppet/external/dot.rb, line 242 def initialize (params = {}, option_list = GRAPH_OPTS) super(params, option_list) @nodes = params['nodes'] ? params['nodes'] : [] @dot_string = 'graph' end
# File lib/puppet/external/dot.rb, line 252 def << (thing) @nodes << thing end
# File lib/puppet/external/dot.rb, line 248 def each_node @nodes.each{ |i| yield i } end
# File lib/puppet/external/dot.rb, line 260 def pop @nodes.pop end
# File lib/puppet/external/dot.rb, line 256 def push (thing) @nodes.push( thing ) end
# File lib/puppet/external/dot.rb, line 264 def to_s (t = '') hdr = t + "#{@dot_string} #{@name} {\n" options = @options.to_a.collect{ |name, val| val && name != 'label' ? t + $tab + "#{name} = #{val}" : name ? t + $tab + "#{name} = \"#{val}\"" : nil }.compact.join( "\n" ) + "\n" nodes = @nodes.collect{ |i| i.to_s( t + $tab ) }.join( "\n" ) + "\n" hdr + options + nodes + t + "}\n" end