Class: Eulerplate::ProblemParser

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

Class Method Summary collapse

Class Method Details

.parse(problem) ⇒ Object 



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# File 'lib/eulerplate/problems.rb', line 71

def self.parse(problem)
  result = []
  problem[0].traverse do |node|
    case
    when node.parent.name == "sup"
      result
    when node.name == "sup"
      result << "^#{node.text}"
    when node.text?
      result << node.text
    when node.name == "br"
      result << "\n"
    end
  end
  result.join.strip.gsub("\r","").gsub(/ *\n */,"\n")
end