diff --git a/lib/banzai/filter/ascii_doc_post_processing_filter.rb b/lib/banzai/filter/ascii_doc_post_processing_filter.rb new file mode 100644 index 00000000000..c9fcf057c5f --- /dev/null +++ b/lib/banzai/filter/ascii_doc_post_processing_filter.rb @@ -0,0 +1,13 @@ +module Banzai + module Filter + class AsciiDocPostProcessingFilter < HTML::Pipeline::Filter + def call + doc.search('[data-math-style]').each do |node| + node.set_attribute('class', 'code math js-render-math') + end + + doc + end + end + end +end diff --git a/lib/banzai/filter/sanitization_filter.rb b/lib/banzai/filter/sanitization_filter.rb index 522217deae4..2d6e8ffc90f 100644 --- a/lib/banzai/filter/sanitization_filter.rb +++ b/lib/banzai/filter/sanitization_filter.rb @@ -31,6 +31,10 @@ module Banzai # Allow span elements whitelist[:elements].push('span') + # Allow data-math-style attribute in order to support LaTeX formatting + whitelist[:attributes]['code'] = %w(data-math-style) + whitelist[:attributes]['pre'] = %w(data-math-style) + # Allow html5 details/summary elements whitelist[:elements].push('details') whitelist[:elements].push('summary') diff --git a/lib/banzai/pipeline/ascii_doc_pipeline.rb b/lib/banzai/pipeline/ascii_doc_pipeline.rb new file mode 100644 index 00000000000..1048b927cd3 --- /dev/null +++ b/lib/banzai/pipeline/ascii_doc_pipeline.rb @@ -0,0 +1,14 @@ +module Banzai + module Pipeline + class AsciiDocPipeline < BasePipeline + def self.filters + FilterArray[ + Filter::SanitizationFilter, + Filter::ExternalLinkFilter, + Filter::PlantumlFilter, + Filter::AsciiDocPostProcessingFilter + ] + end + end + end +end diff --git a/lib/gitlab/asciidoc.rb b/lib/gitlab/asciidoc.rb index 96d38f6daa0..3d41ac76406 100644 --- a/lib/gitlab/asciidoc.rb +++ b/lib/gitlab/asciidoc.rb @@ -20,21 +20,20 @@ module Gitlab backend: :gitlab_html5, attributes: DEFAULT_ADOC_ATTRS } - context[:pipeline] = :markup + context[:pipeline] = :ascii_doc plantuml_setup html = ::Asciidoctor.convert(input, asciidoc_opts) html = Banzai.render(html, context) - html.html_safe end def self.plantuml_setup Asciidoctor::PlantUml.configure do |conf| - conf.url = ApplicationSetting.current.plantuml_url - conf.svg_enable = ApplicationSetting.current.plantuml_enabled - conf.png_enable = ApplicationSetting.current.plantuml_enabled + conf.url = current_application_settings.plantuml_url + conf.svg_enable = current_application_settings.plantuml_enabled + conf.png_enable = current_application_settings.plantuml_enabled conf.txt_enable = false end end @@ -47,13 +46,13 @@ module Gitlab def stem(node) return super unless node.style.to_sym == :latexmath - %(
#{node.content}
)
+ %(#{node.content}
)
end
def inline_quoted(node)
return super unless node.type.to_sym == :latexmath
- %(#{node.text}
)
+ %(#{node.text}
)
end
private
diff --git a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb b/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
index 5c502ce4fb5..8912d575878 100644
--- a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
+++ b/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
@@ -28,6 +28,40 @@ feature 'Projects > Wiki > User creates wiki page', js: true, feature: true do
expect(page).to have_content("Last edited by #{user.name}")
expect(page).to have_content('My awesome wiki!')
end
+
+ scenario 'creates ASCII wiki with LaTeX blocks' do
+ stub_application_setting(plantuml_url: 'http://localhost', plantuml_enabled: true)
+
+ ascii_content = <<~MD
+ :stem: latexmath
+
+ [stem]
+ ++++
+ \sqrt{4} = 2
+ ++++
+
+ another part
+
+ [latexmath]
+ ++++
+ \beta_x \gamma
+ ++++
+
+ stem:[2+2] is 4
+ MD
+
+ find('#wiki_format option[value=asciidoc]').select_option
+ fill_in :wiki_content, with: ascii_content
+
+ page.within '.wiki-form' do
+ click_button 'Create page'
+ end
+
+ page.within '.wiki' do
+ expect(page).to have_selector('.katex', count: 3)
+ expect(page).to have_content('2+2 is 4')
+ end
+ end
end
context 'when wiki is not empty' do
diff --git a/spec/lib/banzai/filter/ascii_doc_post_processing_filter_spec.rb b/spec/lib/banzai/filter/ascii_doc_post_processing_filter_spec.rb
new file mode 100644
index 00000000000..33b812ef425
--- /dev/null
+++ b/spec/lib/banzai/filter/ascii_doc_post_processing_filter_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+describe Banzai::Filter::AsciiDocPostProcessingFilter, lib: true do
+ include FilterSpecHelper
+
+ it "adds class for elements with data-math-style" do
+ result = filter('some code
some code
some code
some code
something+
something
+ something+
something
+ eta_x gamma
')
+ expect(render(input, context)).to include('2+2
is 4