diff options
Diffstat (limited to 'lib/gitlab/markdown/reference_filter.rb')
-rw-r--r-- | lib/gitlab/markdown/reference_filter.rb | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/gitlab/markdown/reference_filter.rb b/lib/gitlab/markdown/reference_filter.rb index a4c560f578c..b6d93e05ec7 100644 --- a/lib/gitlab/markdown/reference_filter.rb +++ b/lib/gitlab/markdown/reference_filter.rb @@ -122,6 +122,80 @@ module Gitlab doc end + # Iterate through the document's link nodes, yielding the current node's + # content if: + # + # * The `project` context value is present AND + # * The node's content matches `pattern` + # + # pattern - Regex pattern against which to match the node's content + # + # Yields the current node's String contents. The result of the block will + # replace the node and update the current document. + # + # Returns the updated Nokogiri::HTML::DocumentFragment object. + def replace_link_nodes_with_text(pattern) + return doc if project.nil? + + doc.search('a').each do |node| + klass = node.attr('class') + next if klass && klass.include?('gfm') + + link = node.attr('href') + text = node.text + + next unless link && text + + link = URI.decode(link) + # Ignore ending punctionation like periods or commas + next unless link == text && text =~ /\A#{pattern}/ + + html = yield text + + next if html == text + + node.replace(html) + end + + doc + end + + # Iterate through the document's link nodes, yielding the current node's + # content if: + # + # * The `project` context value is present AND + # * The node's HREF matches `pattern` + # + # pattern - Regex pattern against which to match the node's HREF + # + # Yields the current node's String HREF and String content. + # The result of the block will replace the node and update the current document. + # + # Returns the updated Nokogiri::HTML::DocumentFragment object. + def replace_link_nodes_with_href(pattern) + return doc if project.nil? + + doc.search('a').each do |node| + klass = node.attr('class') + next if klass && klass.include?('gfm') + + link = node.attr('href') + text = node.text + + next unless link && text + link = URI.decode(link) + next unless link && link =~ /\A#{pattern}\z/ + + html = yield link, text + + next if html == link + + node.replace(html) + end + + doc + end + # Ensure that a :project key exists in context # # Note that while the key might exist, its value could be nil! |