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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-08-20 21:42:06 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-08-20 21:42:06 +0300 |
commit | 6e4e1050d9dba2b7b2523fdd1768823ab85feef4 (patch) | |
tree | 78be5963ec075d80116a932011d695dd33910b4e /lib/gitlab/asciidoc/mermaid_block_processor.rb | |
parent | 1ce776de4ae122aba3f349c02c17cebeaa8ecf07 (diff) |
Add latest changes from gitlab-org/gitlab@13-3-stable-ee
Diffstat (limited to 'lib/gitlab/asciidoc/mermaid_block_processor.rb')
-rw-r--r-- | lib/gitlab/asciidoc/mermaid_block_processor.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/gitlab/asciidoc/mermaid_block_processor.rb b/lib/gitlab/asciidoc/mermaid_block_processor.rb new file mode 100644 index 00000000000..03d1c7f1961 --- /dev/null +++ b/lib/gitlab/asciidoc/mermaid_block_processor.rb @@ -0,0 +1,35 @@ +# frozen_string_literal: true + +require 'asciidoctor' + +module Gitlab + module Asciidoc + # Mermaid BlockProcessor + class MermaidBlockProcessor < ::Asciidoctor::Extensions::BlockProcessor + use_dsl + + named :mermaid + on_context :literal, :listing + parse_content_as :simple + + def process(parent, reader, attrs) + create_mermaid_source_block(parent, reader.read, attrs) + end + + private + + def create_mermaid_source_block(parent, content, attrs) + # If "subs" attribute is specified, substitute accordingly. + # Be careful not to specify "specialcharacters" or your diagram code won't be valid anymore! + subs = attrs['subs'] + content = parent.apply_subs(content, parent.resolve_subs(subs)) if subs + html = %(<div><pre data-mermaid-style="display">#{CGI.escape_html(content)}</pre></div>) + ::Asciidoctor::Block.new(parent, :pass, { + content_model: :raw, + source: html, + subs: :default + }.merge(attrs)) + end + end + end +end |