Class: Asciidoctor::Html5s::AttachedColistTreeprocessor

Inherits:
Extensions::Treeprocessor
  • Object
show all
Defined in:
lib/asciidoctor/html5s/attached_colist_treeprocessor.rb

Overview

This extension moves every callout list immediately following listing block to instance variable @html5s_colist inside the listing block. The aim is to render callout list as part of the corresponding listing.

Instance Method Summary collapse

Instance Method Details

#process(document) ⇒ Object 



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# File 'lib/asciidoctor/html5s/attached_colist_treeprocessor.rb', line 11

def process(document)
  document.find_by(context: :colist) do |colist|
    blocks = colist.parent.blocks
    colist_idx = blocks.find_index(colist)
    prev_block = blocks[colist_idx - 1] if colist_idx

    if prev_block && prev_block.node_name == 'listing'
      prev_block.instance_variable_set(:@html5s_colist, colist)
      # XXX: This mutates node's blocks list!
      # :empty is our special block type that just outputs nothing.
      blocks[colist_idx] = create_block(colist.parent, :empty, '', {})
    end
  end
end