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Commit 8ce390333a7e08c2956d6334f587e1db7668133e

Authored by Riyad Preukschas
1 parent de2770bb
Exists in master and in 4 other branches 6-8-stable, 7-0-stable, 7-0-stable-spb, spb-stable

Add GFM helper

Showing 1 changed file with 68 additions and 0 deletions   Show diff stats
app/helpers/application_helper.rb
  Diff comments   View file @8ce3903
... ... @@ -42,6 +42,74 @@ module ApplicationHelper
42 42 grouped_options_for_select(options, @ref || @project.default_branch)
43 43 end
44 44  
  45 + def gfm(text, html_options = {})
  46 + return text if text.nil?
  47 +
  48 + # Extract pre blocks
  49 + # from http://github.github.com/github-flavored-markdown/
  50 + extractions = {}
  51 + text.gsub!(%r{<pre>.*?</pre>|<code>.*?</code>}m) do |match|
  52 + md5 = Digest::MD5.hexdigest(match)
  53 + extractions[md5] = match
  54 + "{gfm-extraction-#{md5}}"
  55 + end
  56 +
  57 + # match 1 2 3 4 5 6
  58 + text.gsub!(/(\W)?(@([\w\._]+)|[#!$](\d+)|([\h]{6,40}))(\W)?/) do |match|
  59 + prefix = $1
  60 + reference = $2
  61 + user_name = $3
  62 + issue_id = $4
  63 + merge_request_id = $4
  64 + snippet_id = $4
  65 + commit_id = $5
  66 + suffix = $6
  67 +
  68 + # TODO: add popups with additional information
  69 + ref_link = case reference
  70 +
  71 + # team member: @foo
  72 + when /^@/
  73 + user = @project.users.where(:name => user_name).first
  74 + member = @project.users_projects.where(:user_id => user).first if user
  75 + link_to("@#{user_name}", project_team_member_path(@project, member), html_options.merge(:class => "gfm gfm-team_member #{html_options[:class]}")) if member
  76 +
  77 + # issue: #123
  78 + when /^#/
  79 + # avoid HTML entities
  80 + unless prefix.try(:end_with?, "&") && suffix.try(:start_with?, ";")
  81 + issue = @project.issues.where(:id => issue_id).first
  82 + link_to("##{issue_id}", project_issue_path(@project, issue), html_options.merge(:title => "Issue: #{issue.title}", :class => "gfm gfm-issue #{html_options[:class]}")) if issue
  83 + end
  84 +
  85 + # merge request: !123
  86 + when /^!/
  87 + merge_request = @project.merge_requests.where(:id => merge_request_id).first
  88 + link_to("!#{merge_request_id}", project_merge_request_path(@project, merge_request), html_options.merge(:title => "Merge Request: #{merge_request.title}", :class => "gfm gfm-merge_request #{html_options[:class]}")) if merge_request
  89 +
  90 + # snippet: $123
  91 + when /^\$/
  92 + snippet = @project.snippets.where(:id => snippet_id).first
  93 + link_to("$#{snippet_id}", project_snippet_path(@project, snippet), html_options.merge(:title => "Snippet: #{snippet.title}", :class => "gfm gfm-snippet #{html_options[:class]}")) if snippet
  94 +
  95 + # commit: 123456...
  96 + when /^\h/
  97 + commit = @project.commit(commit_id)
  98 + link_to(commit_id, project_commit_path(@project, :id => commit.id), html_options.merge(:title => "Commit: #{commit.author_name} - #{CommitDecorator.new(commit).title}", :class => "gfm gfm-commit #{html_options[:class]}")) if commit
  99 +
  100 + end # case
  101 +
  102 + ref_link.nil? ? match : "#{prefix}#{ref_link}#{suffix}"
  103 + end # gsub
  104 +
  105 + # Insert pre block extractions
  106 + text.gsub!(/\{gfm-extraction-(\h{32})\}/) do
  107 + extractions[$1]
  108 + end
  109 +
  110 + text.html_safe
  111 + end
  112 +
45 113 def markdown(text)
46 114 @__renderer ||= Redcarpet::Markdown.new(Redcarpet::Render::GitlabHTML.new(self, filter_html: true), {
47 115 no_intra_emphasis: true,
... ...