Class: Asciidoctor::Question::MultipleChoiceBlockProcessor

Inherits:
Extensions::BaseProcessor show all
Defined in:
lib/asciidoctor-question/multiple_choice/extension.rb

Instance Method Summary collapse

Methods inherited from Extensions::BaseProcessor

inherited, #post_answers, #process_error, #process_error_push

Instance Method Details

#prepare_answer_lines(lines) ⇒ Object 



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# File 'lib/asciidoctor-question/multiple_choice/extension.rb', line 57

def prepare_answer_lines(lines)
  lines
end

#prepare_answers(answers_block, tag) ⇒ Object 



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# File 'lib/asciidoctor-question/multiple_choice/extension.rb', line 61

def prepare_answers(answers_block, tag)
  answers_block.blocks.shuffle! if tag[:shuffle]
  answers_block
end

#process(parent, source, tag) ⇒ Object 



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# File 'lib/asciidoctor-question/multiple_choice/extension.rb', line 10

def process(parent, source, tag)
  id = tag[:id]
  err = nil
  question = Array.new
  answers = Array.new ['[options=interactive]']
  switch = false

  source.lines.each do |line|
    switch = true if line =~ /^-\s?\[/
    if switch
      answers.push line
    else
      question.push line
    end
  end

  answers = prepare_answer_lines answers

  attrs = {'id' => "question_#{id}_type=mc"}

  attrs['id'] += '_shuffle' unless tag[:shuffle].nil?

  new_parent = Asciidoctor::Block.new parent, :open, {:attributes => attrs}

  reader = Asciidoctor::Reader.new(question)
  loop do
    block = Asciidoctor::Parser.next_block reader, new_parent
    break if block.nil?
    new_parent.blocks.push block
  end

  reader = Asciidoctor::Reader.new(answers)
  answers_block = Asciidoctor::Parser.next_block reader, new_parent
  if answers_block.nil?
    err = 'Es sind keine Antworten vorhanden!'
  end

  if err.nil?
    new_parent.blocks.push prepare_answers answers_block, tag
    post_answers new_parent, tag

  else
    process_error_push new_parent, err, answers
  end
  new_parent
end