diff options
Diffstat (limited to 'lib/banzai/filter/gollum_tags_filter.rb')
| -rw-r--r-- | lib/banzai/filter/gollum_tags_filter.rb | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/lib/banzai/filter/gollum_tags_filter.rb b/lib/banzai/filter/gollum_tags_filter.rb index fe01dae4850..bcf5297e382 100644 --- a/lib/banzai/filter/gollum_tags_filter.rb +++ b/lib/banzai/filter/gollum_tags_filter.rb @@ -50,21 +50,30 @@ module Banzai # See https://github.com/gollum/gollum/wiki # # Rubular: http://rubular.com/r/7dQnE5CUCH - TAGS_PATTERN = %r{\[\[(.+?)\]\]} + TAGS_PATTERN = %r{\[\[(.+?)\]\]}.freeze # Pattern to match allowed image extensions - ALLOWED_IMAGE_EXTENSIONS = %r{.+(jpg|png|gif|svg|bmp)\z}i + ALLOWED_IMAGE_EXTENSIONS = %r{.+(jpg|png|gif|svg|bmp)\z}i.freeze def call search_text_nodes(doc).each do |node| - content = node.content + # A Gollum ToC tag is `[[_TOC_]]`, but due to MarkdownFilter running + # before this one, it will be converted into `[[<em>TOC</em>]]`, so it + # needs special-case handling + if toc_tag?(node) + next unless result[:toc].present? - next unless content.match(TAGS_PATTERN) + process_toc_tag(node) + else + content = node.content - html = process_tag($1) + next unless content =~ TAGS_PATTERN - if html && html != node.content - node.replace(html) + html = process_tag($1) + + if html && html != node.content + node.replace(html) + end end end @@ -73,6 +82,12 @@ module Banzai private + # Replace an entire `[[<em>TOC</em>]]` node with the result generated by + # TableOfContentsFilter + def process_toc_tag(node) + node.parent.parent.replace(result[:toc]) + end + # Process a single tag into its final HTML form. # # tag - The String tag contents (the stuff inside the double brackets). @@ -108,6 +123,12 @@ module Banzai end end + def toc_tag?(node) + node.content == 'TOC' && + node.parent.name == 'em' && + node.parent.parent.text == '[[TOC]]' + end + def image?(path) path =~ ALLOWED_IMAGE_EXTENSIONS end |