Class: Ab101

Inherits:
Object
  • Object
show all
Defined in:
lib/qb101.rb

Instance Method Summary collapse

Constructor Details

#initialize(qb, ab_xml = nil, filepath: '.', debug: false) ⇒ Ab101

note: the ab_xml file can be in CGRecorder log XML format



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# File 'lib/qb101.rb', line 88

def initialize(qb, ab_xml=nil, filepath: '.', debug: false)
  
  @debug = debug
  
  @qb = if qb.is_a?(String) and qb.lines.length < 2 then
    Qb101.new(qb)
  elsif qb.kind_of?(Qb101)
    qb
  end
  
  @dx = Dynarex.new('book[title, tags]/item(question, answer)')
  @dx.title = @qb.title
  @dx.tags = @qb.tags
  
  @qb.questions.each {|q| @dx.create({question: q}) }
  
  if ab_xml and File.exist?(ab_xml) then
    
    dx = Dynarex.new(ab_xml)
    
    # using each question, find the associated answer and 
    # add it the main record
    
    @qb.questions.each do |q|
      
      puts 'q: ' + q.inspect if @debug

      # note: the find_by ... method is passing in a regex because passing 
      #       in a String causes the xpath to execute which is known to have 
      #       a serious bug when the value contains *and*.
      if dx.schema =~ /question, answer/ then

        found = dx.find_by_question /#{q}/
        
        if found then
          rx = @dx.find_by_question /#{q}/
          rx.answer = found.answer 
        end
        
      else
        
        #puts 'dx: ' + dx.to_xml(pretty: true) if @debug
        found = dx.find_by_prompt /#{q}/
        puts 'found: ' + found.inspect if @debug
        
        if found then
          rx = @dx.find_by_question /#{q}/
          rx.answer = found.result 
        end
        
      end
      
    end
    
    #@dx.save ab_xml
    
  end
  
end

Instance Method Details

#save(filename) ⇒ Object 



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# File 'lib/qb101.rb', line 148

def save(filename)
  @dx.save filename
end

#to_html ⇒ Object 



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# File 'lib/qb101.rb', line 152

def to_html()

  doc = Rexle.new('<body>' + @qb.to_html.gsub(/<p>[^>]+>/,'<div>\0</div>') \
                  + '</body>')
  answers = @dx.all.map(&:answer)
  
  puts 'answers: ' + answers.inspect if @debug
  
  doc.root.xpath('//p').each.with_index do |para, i|


    s = answers[i].strip
    
    e = if s.lines.length > 1 then
    
      html = "<span>%s</span>" % Kramdown::Document.new(s).to_html      
      Rexle.new(html).root
      
    else
      
      Rexle::Element.new('p', attributes: {class: 'answer'})\
          .add_text s
      
    end
    para.insert_after e
    
  end
  
  doc.root.xml pretty: true
end

#to_xml ⇒ Object 



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# File 'lib/qb101.rb', line 183

def to_xml()
  @dx.to_xml(pretty: true)
end