Merge pull request #2095 from riyad/fix-code-highlighting

Fix code highlighting

app/assets/stylesheets/gitlab_bootstrap/files.scss

@@ -95,8 +95,8 @@
         pre {
           padding:0;
           margin:0;
-          background:none;
           border:none;
+          border-radius: 0;
         }
       }
     }
@@ -142,8 +142,8 @@
         table-layout: fixed;
 
         pre {
-          background: none;
           border: none;
+          border-radius: 0;
           font-family: 'Menlo', 'Liberation Mono', 'Consolas', 'Courier New', 'andale mono','lucida console',monospace;
           font-size: 12px !important;
           line-height: 16px !important;

app/assets/stylesheets/highlight/dark.scss

-.black .lines .highlight {
-  background: #333;
-  pre { color: #eee; }
+.black .highlight {
+  pre {
+    background-color: #333;
+    color: #eee;
+  }
 
   .hll { display: block; background-color: darken($hover, 65%) }
   .c { color: #888888; font-style: italic } /* Comment */

app/assets/stylesheets/highlight/white.scss

-.white .lines .highlight {
-  background: white;
-  pre { color: #333; }
+.white .highlight {
+  pre {
+    background-color: #fff;
+    color: #333;
+  }
 
   .hll { display: block; background-color: $hover }
   .c { color: #888888; font-style: italic } /* Comment */

app/helpers/application_helper.rb

@@ -126,6 +126,10 @@ module ApplicationHelper
     Gitlab::Theme.css_class_by_id(current_user.try(:theme_id))
   end
 
+  def user_color_scheme_class
+    current_user.dark_scheme ? :black : :white
+  end
+
   def show_last_push_widget?(event)
     event &&
       event.last_push_to_non_root? &&

app/views/snippets/_blob.html.haml

@@ -6,8 +6,7 @@
       = link_to "raw", raw_project_snippet_path(@project, @snippet), class: "btn very_small", target: "_blank"
   .file_content.code
     - unless @snippet.content.empty?
-      %div{class: current_user.dark_scheme ? "black" : "white"}
-        :preserve
-          #{raw @snippet.colorize(formatter: :gitlab)}
+      %div{class: user_color_scheme_class}
+        = raw @snippet.colorize(formatter: :gitlab)
     - else
       %p.nothing_here_message Empty file

app/views/tree/blob/_text.html.haml

@@ -8,8 +8,7 @@
 - else
   .file_content.code
     - unless blob.empty?
-      %div{class: current_user.dark_scheme ? "black" : "white"}
-        = preserve do
-          = raw blob.colorize(formatter: :gitlab)
+      %div{class: user_color_scheme_class}
+        = raw blob.colorize(formatter: :gitlab)
     - else
       %p.nothing_here_message Empty file

lib/redcarpet/render/gitlab_html.rb

@@ -12,10 +12,12 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
   def block_code(code, language)
     options = { options: {encoding: 'utf-8'} }
 
-    if Pygments::Lexer.find(language)
-      Pygments.highlight(code, options.merge(lexer: language.downcase))
-    else
-      Pygments.highlight(code, options)
+    h.content_tag :div, class: h.user_color_scheme_class do
+      if Pygments::Lexer.find(language)
+        Pygments.highlight(code, options.merge(lexer: language.downcase))
+      else
+        Pygments.highlight(code, options)
+      end.html_safe
     end
   end