Class: Jekyll::TableOfContents::Parser

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
lib/table_of_contents/parser.rb

Overview

Parse html contents and generate table of contents

Constant Summary

Constants included from Helper

Helper::PUNCTUATION_REGEXP

Instance Method Summary collapse

Methods included from Helper

#extract_text, #generate_toc_id

Constructor Details

#initialize(html, options = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/table_of_contents/parser.rb', line 11

def initialize(html, options = {})
  @doc = Nokogiri::HTML::DocumentFragment.parse(html)
  @configuration = Configuration.new(options)
  @entries = parse_content
end

Instance Method Details

#build_toc ⇒ Object 



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# File 'lib/table_of_contents/parser.rb', line 21

def build_toc
  %(<#{list_tag} id="#{@configuration.list_id}" class="#{@configuration.list_class}">\n#{build_toc_list(@entries)}</#{list_tag}>)
end

#inject_anchors_into_html ⇒ Object 



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# File 'lib/table_of_contents/parser.rb', line 25

def inject_anchors_into_html
  @entries.each do |entry|
    # NOTE: `entry[:id]` is automatically URL encoded by Nokogiri
    entry[:header_content].add_previous_sibling(
      %(<a class="anchor" href="##{entry[:id]}" aria-hidden="true"><span class="octicon octicon-link"></span></a>)
    )
  end

  @doc.inner_html
end

#toc ⇒ Object 



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# File 'lib/table_of_contents/parser.rb', line 17

def toc
  build_toc + inject_anchors_into_html
end