Class: DiagramExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/diagram_extractor.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DiagramExtractor

Returns a new instance of DiagramExtractor.



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# File 'lib/diagram_extractor.rb', line 2

def initialize
end

Instance Method Details

#extract_diagram(path, diagram_num) ⇒ Object 



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# File 'lib/diagram_extractor.rb', line 5

def extract_diagram(path, diagram_num)
  doc = File.open(path) { |f| Nokogiri::XML(f) }
  diagrams = doc.xpath("//mxfile//diagram")
  puts "Diagrams found at \"#{path}\": #{diagrams.length}. " \
       "Selected: #{diagram_num}. "

  diagram = diagrams[diagram_num]

  diagram_name = diagram["name"]
  diagram_content = diagram.to_html

  return diagram_name, diagram_content
end