Class: Docs::Go::CleanHtmlFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/docs/filters/go/clean_html.rb

Constant Summary

Constants inherited from Filter

Filter::SCHEME_RGX

Instance Method Summary collapse

Methods inherited from Filter

#absolute_url_string?, #at_css, #at_xpath, #base_url, #css, #current_url, #fragment_url_string?, #initial_page?, #parse_html, #relative_url_string?, #root_page?, #root_path, #root_url, #slug, #subpath, #subpath_to, #xpath

Instance Method Details

#callObject


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# File 'lib/docs/filters/go/clean_html.rb', line 4

def call
  if root_page?
    at_css('h1').content = 'Go Programming Language'

    # Remove empty columns
    css('tr:first-child + tr', 'th:first-child + th', 'td:first-child + td').remove

    # Remove links to unscraped pages
    css('td + td:empty').each do |node|
      node.previous_element.content = node.previous_element.content
    end
  end

  css('#plusone', '#nav', '.pkgGopher', '#footer', '.collapsed').remove

  # Remove triangle character
  css('h2', '.exampleHeading').each do |node|
    node.content = node.content.remove("\u25BE")
    node.name = 'h2'
  end

  # Turn <dl> into <ul>
  css('#short-nav', '#manual-nav').each do |node|
    node.children = node.css('dd').tap { |nodes| nodes.each { |dd| dd.name = 'li' } }
    node.name = 'ul'
  end

  # Remove code highlighting
  css('pre').each do |node|
    node.content = node.content
  end

  # Fix example markup
  css('.play').each do |node|
    node.children = node.at_css('.code').children
    node.name = 'pre'
  end

  doc
end