Module: Graphdown::Renderable

Defined in:
lib/graphdown/renderable.rb

Instance Method Summary collapse

Instance Method Details

#block_code_with_graphdown(code, language) ⇒ Object Also known as: block_code 



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# File 'lib/graphdown/renderable.rb', line 14

def block_code_with_graphdown(code, language)
  if language == "dot"
    if code =~ /digraph\s+(\w+)\s+{/
      dot_path = Pathname.pwd.join("#{$1}.dot")
      dot_path.open("wb") { |f| f.write(code) }
      graph_path = Pathname.pwd.join("#{$1}.png")
      generate_graph(dot_path.to_s, graph_path.to_s)
      dot_path.delete
      %(<img src="#{graph_path.to_s}"/>)
    else
      %(<img src="#"/>)
    end
  else
    block_code_without_graphdown(code, language)
  end
end