42 lines
1.0 KiB
Ruby
42 lines
1.0 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require "nokogiri"
|
|
require "asciidoctor-plantuml/plantuml"
|
|
|
|
module Banzai
|
|
module Filter
|
|
# HTML that replaces all `code plantuml` tags with PlantUML img tags.
|
|
#
|
|
class PlantumlFilter < HTML::Pipeline::Filter
|
|
def call
|
|
return doc unless doc.at('pre > code[lang="plantuml"]') && settings.plantuml_enabled
|
|
|
|
plantuml_setup
|
|
|
|
doc.css('pre > code[lang="plantuml"]').each do |node|
|
|
img_tag = Nokogiri::HTML::DocumentFragment.parse(
|
|
Asciidoctor::PlantUml::Processor.plantuml_content(node.content, {}))
|
|
node.parent.replace(img_tag)
|
|
end
|
|
|
|
doc
|
|
end
|
|
|
|
private
|
|
|
|
def settings
|
|
Gitlab::CurrentSettings.current_application_settings
|
|
end
|
|
|
|
def plantuml_setup
|
|
Asciidoctor::PlantUml.configure do |conf|
|
|
conf.url = settings.plantuml_url
|
|
conf.png_enable = settings.plantuml_enabled
|
|
conf.svg_enable = false
|
|
conf.txt_enable = false
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|