Class: Flowchartviz

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

Instance Method Summary collapse

Constructor Details

#initialize(s, truthlabels: %i(yes no), style: default_stylesheet(), delimiter: ' # ') ⇒ Flowchartviz

Returns a new instance of Flowchartviz.



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# File 'lib/flowchartviz.rb', line 12

def initialize(s,truthlabels: %i(yes no), style: default_stylesheet(), 
               delimiter: ' # ')        
  
  @true, @false = truthlabels
  
  if s =~ /<?flowchartviz / then
    
    raw_fc = s.clone
    s2 = raw_fc.slice!(/<\?flowchartviz [^>]*\?>/)
    
    if s2 then
      
      attributes = %w(delimiter id).inject({}) do |r, keyword|
        found = s2[/(?<=#{keyword}=['"])[^'"]+/]
        found ? r.merge(keyword.to_sym => found) : r
      end
      
    end
    
    h = {delimiter: delimiter }.merge attributes || {}
    s = raw_fc

    delimiter = h[:delimiter]

  end    
  
  plaintext = scan(LineTree.new(s).to_a).flatten.compact.join("\n")
  
  schema = 'items[direction]/item[label, url, connection, shape]'    

raw_doc=<<EOF
<?polyrex schema='#{schema}' delimiter='#{delimiter}'?>
direction: TB
#{plaintext}
EOF

  super(raw_doc, style: style)
 
end