class VimwikiTOCFilter
Public Instance Methods
ascii_downcase(str)
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# File lib/vimwiki_markdown/vimwiki_toc_filter.rb, line 26 def ascii_downcase(str) str.downcase(:ascii) end
call()
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# File lib/vimwiki_markdown/vimwiki_toc_filter.rb, line 4 def call result[:toc] = String.new('') headers = Hash.new(1) doc.css('h1, h2, h3, h4, h5, h6').each do |node| text = node.text id = ascii_downcase(text) id.gsub!(PUNCTUATION_REGEXP, '') # remove punctuation id.tr!(' ', '-') # replace spaces with dash uniq = headers[id] > 1 ? "-#{headers[id]}" : '' headers[id] += 1 if header_content = node.children.first result[:toc] << %(<li><a href="##{id}#{uniq}">#{CGI.escape_html(text)}</a></li>\n) header_content.add_previous_sibling(%(<a id="#{id}#{uniq}" class="anchor" href="##{id}#{uniq}" aria-hidden="true">#{anchor_icon}</a>)) end end result[:toc] = %(<ul class="section-nav">\n#{result[:toc]}</ul>) unless result[:toc].empty? doc end