diff options
Diffstat (limited to 'lib/banzai/filter/footnote_filter.rb')
| -rw-r--r-- | lib/banzai/filter/footnote_filter.rb | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/banzai/filter/footnote_filter.rb b/lib/banzai/filter/footnote_filter.rb index 5474242e03c..0f856dc0eb9 100644 --- a/lib/banzai/filter/footnote_filter.rb +++ b/lib/banzai/filter/footnote_filter.rb @@ -23,17 +23,23 @@ module Banzai FOOTNOTE_LINK_REFERENCE_PATTERN = /\A#{FOOTNOTE_LINK_ID_PREFIX}\d+\z/.freeze FOOTNOTE_START_NUMBER = 1 + CSS_SECTION = "ol > li[id=#{FOOTNOTE_ID_PREFIX}#{FOOTNOTE_START_NUMBER}]" + XPATH_SECTION = Gitlab::Utils::Nokogiri.css_to_xpath(CSS_SECTION).freeze + CSS_FOOTNOTE = 'sup > a[id]' + XPATH_FOOTNOTE = Gitlab::Utils::Nokogiri.css_to_xpath(CSS_FOOTNOTE).freeze + def call - return doc unless first_footnote = doc.at_css("ol > li[id=#{fn_id(FOOTNOTE_START_NUMBER)}]") + return doc unless first_footnote = doc.at_xpath(XPATH_SECTION) # Sanitization stripped off the section wrapper - add it back in first_footnote.parent.wrap('<section class="footnotes">') rand_suffix = "-#{random_number}" modified_footnotes = {} - doc.css('sup > a[id]').each do |link_node| + doc.xpath(XPATH_FOOTNOTE).each do |link_node| ref_num = link_node[:id].delete_prefix(FOOTNOTE_LINK_ID_PREFIX) - footnote_node = doc.at_css("li[id=#{fn_id(ref_num)}]") + node_xpath = Gitlab::Utils::Nokogiri.css_to_xpath("li[id=#{fn_id(ref_num)}]") + footnote_node = doc.at_xpath(node_xpath) if INTEGER_PATTERN.match?(ref_num) && (footnote_node || modified_footnotes[ref_num]) link_node[:href] += rand_suffix |