class Showoff::Compiler::TableOfContents
adds table of content generation to the compiler
Public Class Methods
generate!(doc)
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Render a table of contents
@param doc [Nokogiri::HTML::DocumentFragment]
The presentation document
@return [Nokogiri::HTML::DocumentFragment]
The presentation DOM with the table of contents rendered.
@see
https://github.com/puppetlabs/showoff/blob/3f43754c84f97be4284bb34f9bc7c42175d45226/lib/showoff.rb#L747-L768
# File lib/showoff/compiler/table_of_contents.rb, line 14 def self.generate!(doc) container = doc.search('p').find {|p| p.text == '~~~TOC~~~' } return doc unless container section = nil toc = Nokogiri::XML::Node.new('ol', doc) toc.set_attribute('id', 'toc') doc.search('div.slide:not(.toc)').each do |slide| next if slide.search('.content').first.classes.include? 'cover' heads = slide.search('div.content h1:not(.section_title)') title = heads.empty? ? slide['data-title'] : heads.first.text href = "##{slide['id']}" entry = Nokogiri::XML::Node.new('li', doc) entry.add_class('tocentry') link = Nokogiri::XML::Node.new('a', doc) link.set_attribute('href', href) link.content = title entry.add_child(link) if (section and slide['data-section'] == section['data-section']) section.add_child(entry) else section = Nokogiri::XML::Node.new('ol', doc) section.add_class('major') section.set_attribute('data-section', slide['data-section']) entry.add_child(section) toc.add_child(entry) end end container.replace(toc) doc end