gitlabhq/app/helpers/gitlab_markdown_helper.rb

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module GitlabMarkdownHelper
def gfm(text, html_options = {})
return text if text.nil?
return text if @project.nil?
# Extract pre blocks
# from http://github.github.com/github-flavored-markdown/
extractions = {}
text.gsub!(%r{<pre>.*?</pre>|<code>.*?</code>}m) do |match|
md5 = Digest::MD5.hexdigest(match)
extractions[md5] = match
"{gfm-extraction-#{md5}}"
end
# TODO: add popups with additional information
parser = Gitlab::Markdown.new(@project, html_options)
text = parser.parse(text)
# Insert pre block extractions
text.gsub!(/\{gfm-extraction-(\h{32})\}/) do
extractions[$1]
end
text.html_safe
end
# circumvents nesting links, which will behave bad in browsers
def link_to_gfm(body, url, html_options = {})
gfm_body = gfm(body, html_options)
gfm_body.gsub!(%r{<a.*?>.*?</a>}m) do |match|
"</a>#{match}#{link_to("", url, html_options)[0..-5]}" # "</a>".length +1
end
link_to(gfm_body.html_safe, url, html_options)
end
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def markdown(text)
@__renderer ||= Redcarpet::Markdown.new(Redcarpet::Render::GitlabHTML.new(self, filter_html: true, with_toc_data: true), {
no_intra_emphasis: true,
tables: true,
fenced_code_blocks: true,
autolink: true,
strikethrough: true,
lax_html_blocks: true,
space_after_headers: true,
superscript: true
})
@__renderer.render(text).html_safe
end
end