161: def to_s( t = '' )
162:
163: label = @options['shape'] != 'record' && @ports.length == 0 ?
164: @options['label'] ?
165: t + $tab + "label = \"#{@options['label']}\"\n" :
166: '' :
167: t + $tab + 'label = "' + " \\\n" +
168: t + $tab2 + "#{@options['label']}| \\\n" +
169: @ports.collect{ |i|
170: t + $tab2 + i.to_s
171: }.join( "| \\\n" ) + " \\\n" +
172: t + $tab + '"' + "\n"
173:
174: t + "#{@name} [\n" +
175: @options.to_a.collect{ |i|
176: i[1] && i[0] != 'label' ?
177: t + $tab + "#{i[0]} = #{i[1]}" : nil
178: }.compact.join( ",\n" ) + ( label != '' ? ",\n" : "\n" ) +
179: label +
180: t + "]\n"
181: end