Class: Loofah::Scrubbers::DoubleBreakpoint

Inherits:
Loofah::Scrubber show all
Defined in:
lib/loofah/scrubbers.rb

Overview

scrub!(:double_breakpoint)

+:double_breakpoint+ replaces double-break tags with closing/opening paragraph tags.

   markup = "<p>Some text here in a logical paragraph.<br><br>Some more text, apparently a second paragraph.</p>"
   Loofah.html5_fragment(markup).scrub!(:double_breakpoint)
   => "<p>Some text here in a logical paragraph.</p><p>Some more text, apparently a second paragraph.</p>"

Constant Summary

Constants inherited from Loofah::Scrubber

Loofah::Scrubber::CONTINUE, Loofah::Scrubber::STOP

Instance Attribute Summary

Attributes inherited from Loofah::Scrubber

#block, #direction

Instance Method Summary collapse

Methods inherited from Loofah::Scrubber

#append_attribute, #traverse

Constructor Details

#initialize ⇒ DoubleBreakpoint

rubocop:disable Lint/MissingSuper



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# File 'lib/loofah/scrubbers.rb', line 363

def initialize # rubocop:disable Lint/MissingSuper
  @direction = :top_down
end

Instance Method Details

#scrub(node) ⇒ Object 



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# File 'lib/loofah/scrubbers.rb', line 367

def scrub(node)
  return CONTINUE unless (node.type == Nokogiri::XML::Node::ELEMENT_NODE) && (node.name == "p")

  paragraph_with_break_point_nodes = node.xpath("//p[br[following-sibling::br]]")

  paragraph_with_break_point_nodes.each do |paragraph_node|
    new_paragraph = paragraph_node.add_previous_sibling("<p>").first

    paragraph_node.children.each do |child|
      remove_blank_text_nodes(child)
    end

    paragraph_node.children.each do |child|
      # already unlinked
      next if child.parent.nil?

      if child.name == "br" && child.next_sibling.name == "br"
        new_paragraph = paragraph_node.add_previous_sibling("<p>").first
        child.next_sibling.unlink
        child.unlink
      else
        child.parent = new_paragraph
      end
    end

    paragraph_node.unlink
  end

  CONTINUE
end