208: def to_s (t = '')
209:
210:
211:
212: label = @options['shape'] != 'record' && @ports.length == 0 ?
213: @options['label'] ?
214: t + $tab + "label = \"#{@options['label']}\"\n" :
215: '' :
216: t + $tab + 'label = "' + " \\\n" +
217: t + $tab2 + "#{@options['label']}| \\\n" +
218: @ports.collect{ |i|
219: t + $tab2 + i.to_s
220: }.join( "| \\\n" ) + " \\\n" +
221: t + $tab + '"' + "\n"
222:
223: t + "#{@name} [\n" +
224: @options.to_a.collect{ |i|
225: i[1] && i[0] != 'label' ?
226: t + $tab + "#{i[0]} = #{i[1]}" : nil
227: }.compact.join( ",\n" ) + ( label != '' ? ",\n" : "\n" ) +
228: label +
229: t + "]\n"
230: end