From f827482c12b3aeec2ed5f60afbf7c676e27435e3 Mon Sep 17 00:00:00 2001
From: Marin Jankovski <marin@gitlab.com>
Date: Thu, 4 Sep 2014 11:25:14 +0200
Subject: [PATCH] Remove duplication, expand for next_line.

---
 app/helpers/commits_helper.rb                 |  4 +-
 .../projects/commits/_parallel_view.html.haml |  7 ++-
 .../diffs/_match_line_parallel.html.haml      |  4 ++
 lib/gitlab/diff_parser.rb                     | 43 +------------------
 4 files changed, 12 insertions(+), 46 deletions(-)
 create mode 100644 app/views/projects/commits/diffs/_match_line_parallel.html.haml

diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index 2c1df6beeab..fe6c303ecf2 100644
--- a/app/helpers/commits_helper.rb
+++ b/app/helpers/commits_helper.rb
@@ -25,8 +25,8 @@ module CommitsHelper
 
   def side_diff_line(diff, index)
     Gitlab::DiffParser.new(diff.diff.lines.to_a, diff.new_path)
-      .each_for_parallel do |full_line, type, line_code, line_new, line_old, next_line|
-        yield(full_line, type, line_code, line_new, line_old, next_line)
+      .each do |full_line, type, line_code, line_new, line_old, raw_line, next_line|
+        yield(full_line, type, line_code, line_new, line_old, raw_line, next_line)
       end
   end
 
diff --git a/app/views/projects/commits/_parallel_view.html.haml b/app/views/projects/commits/_parallel_view.html.haml
index e566b1dfca4..92425f36577 100644
--- a/app/views/projects/commits/_parallel_view.html.haml
+++ b/app/views/projects/commits/_parallel_view.html.haml
@@ -1,10 +1,13 @@
 / Side-by-side diff view
 %div.text-file
   %table
-    - side_diff_line(diff, index) do |line, type, line_code, line_new, line_old, next_line|
+    - side_diff_line(diff, index) do |line, type, line_code, line_new, line_old, raw_line, next_line|
       - next if type == 'new'
       %tr.line_holder.parallel{ id: line_code, class: "#{type}" }
-        - if type != 'match'
+        - if type == "match"
+          = render "projects/commits/diffs/match_line_parallel", {line: line,
+          line_old: line_old, line_new: line_new, bottom: false}
+        - else
           %td.old_line
             = link_to raw(line_old), "##{line_code}", id: line_code
             - if type == 'old'
diff --git a/app/views/projects/commits/diffs/_match_line_parallel.html.haml b/app/views/projects/commits/diffs/_match_line_parallel.html.haml
new file mode 100644
index 00000000000..815df16aa4a
--- /dev/null
+++ b/app/views/projects/commits/diffs/_match_line_parallel.html.haml
@@ -0,0 +1,4 @@
+%td.old_line
+  %td.line_content.parallel.matched= line
+%td.new_line
+  %td.line_content.parallel.matched= line
diff --git a/lib/gitlab/diff_parser.rb b/lib/gitlab/diff_parser.rb
index baec2e63baa..f226692a63c 100644
--- a/lib/gitlab/diff_parser.rb
+++ b/lib/gitlab/diff_parser.rb
@@ -14,47 +14,6 @@ module Gitlab
       line_new = 1
       type = nil
 
-      lines_arr = ::Gitlab::InlineDiff.processing lines
-      lines_arr.each do |line|
-        raw_line = line.dup
-
-        next if filename?(line)
-
-        full_line = html_escape(line.gsub(/\n/, ''))
-        full_line = ::Gitlab::InlineDiff.replace_markers full_line
-
-        if line.match(/^@@ -/)
-          type = "match"
-
-          line_old = line.match(/\-[0-9]*/)[0].to_i.abs rescue 0
-          line_new = line.match(/\+[0-9]*/)[0].to_i.abs rescue 0
-
-          next if line_old == 1 && line_new == 1 #top of file
-          yield(full_line, type, nil, line_new, line_old)
-          next
-        else
-          type = identification_type(line)
-          line_code = generate_line_code(new_path, line_new, line_old)
-          yield(full_line, type, line_code, line_new, line_old, raw_line)
-        end
-
-
-        if line[0] == "+"
-          line_new += 1
-        elsif line[0] == "-"
-          line_old += 1
-        else
-          line_new += 1
-          line_old += 1
-        end
-      end
-    end
-
-    def each_for_parallel
-      line_old = 1
-      line_new = 1
-      type = nil
-
       lines_arr = ::Gitlab::InlineDiff.processing lines
 
       lines_arr.each_cons(2) do |line, next_line|
@@ -80,7 +39,7 @@ module Gitlab
         else
           type = identification_type(line)
           line_code = generate_line_code(new_path, line_new, line_old)
-          yield(full_line, type, line_code, line_new, line_old, next_line)
+          yield(full_line, type, line_code, line_new, line_old, raw_line, next_line)
         end