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authorSean McGivern <sean@mcgivern.me.uk>2017-02-03 12:37:37 +0000
committerSean McGivern <sean@mcgivern.me.uk>2017-02-03 12:37:37 +0000
commit52ea505126da19717c9137e6bb301f55965eb6e4 (patch)
treeef0c47859906bfc18ce19d3633186edb1102cb80 /lib/banzai
parent1ca6e99d3850ee39588a9f518ffb53d3fb09e626 (diff)
parentd9e9ad2211c06159914e0183e4842abc16e5666f (diff)
downloadgitlab-ce-52ea505126da19717c9137e6bb301f55965eb6e4.tar.gz
Merge branch 'markdown-plantuml' into 'master'
PlantUML support for Markdown Closes #4048 See merge request !8588
Diffstat (limited to 'lib/banzai')
-rw-r--r--lib/banzai/filter/plantuml_filter.rb39
-rw-r--r--lib/banzai/pipeline/gfm_pipeline.rb1
2 files changed, 40 insertions, 0 deletions
diff --git a/lib/banzai/filter/plantuml_filter.rb b/lib/banzai/filter/plantuml_filter.rb
new file mode 100644
index 00000000000..e194cf59275
--- /dev/null
+++ b/lib/banzai/filter/plantuml_filter.rb
@@ -0,0 +1,39 @@
+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.plantuml') and settings.plantuml_enabled
+
+ plantuml_setup
+
+ doc.css('pre.plantuml').each do |el|
+ img_tag = Nokogiri::HTML::DocumentFragment.parse(
+ Asciidoctor::PlantUml::Processor.plantuml_content(el.content, {}))
+ el.replace img_tag
+ end
+
+ doc
+ end
+
+ private
+
+ def settings
+ ApplicationSetting.current || ApplicationSetting.create_from_defaults
+ 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
diff --git a/lib/banzai/pipeline/gfm_pipeline.rb b/lib/banzai/pipeline/gfm_pipeline.rb
index ac95a79009b..b25d6f18d59 100644
--- a/lib/banzai/pipeline/gfm_pipeline.rb
+++ b/lib/banzai/pipeline/gfm_pipeline.rb
@@ -10,6 +10,7 @@ module Banzai
def self.filters
@filters ||= FilterArray[
Filter::SyntaxHighlightFilter,
+ Filter::PlantumlFilter,
Filter::SanitizationFilter,
Filter::MathFilter,