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author | Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> | 2015-11-13 02:44:16 +0300 |
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committer | Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com> | 2015-11-13 02:44:16 +0300 |
commit | ea6a78ef5cb665d6f3b06d71fa693ffa895b4b1a (patch) | |
tree | 2e4fa04f5ecce9ea1951835834e9fca3102c1067 | |
parent | bcc82511966aba863a0a912302e8cfe3368ebc32 (diff) |
Split complex Gitlab::InlineDiff::processing method
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
-rw-r--r-- | lib/gitlab/inline_diff.rb | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/lib/gitlab/inline_diff.rb b/lib/gitlab/inline_diff.rb index 99e7b529ba9..420c3099ce7 100644 --- a/lib/gitlab/inline_diff.rb +++ b/lib/gitlab/inline_diff.rb @@ -16,15 +16,7 @@ module Gitlab # Skip inline diff if empty line was replaced with content next if first_line == "-\n" - first_the_same_symbols = 0 - (0..max_length + 1).each do |i| - first_the_same_symbols = i - 1 - if first_line[i] != second_line[i] && i > 0 - break - end - end - - first_token = first_line[0..first_the_same_symbols][1..-1] + first_token = find_first_token(first_line, second_line) start = first_token + START if first_token.empty? @@ -36,25 +28,50 @@ module Gitlab diff_arr[index+2].sub!(first_token, first_token => start) end - last_the_same_symbols = 0 - (1..max_length + 1).each do |i| - last_the_same_symbols = -i - shortest_line = second_line.size > first_line.size ? first_line : second_line - if ( first_line[-i] != second_line[-i] ) || "#{first_token}#{START}".size == shortest_line[1..-i].size - break - end - end - last_the_same_symbols += 1 - last_token = first_line[last_the_same_symbols..-1] + last_token = find_last_token(first_line, second_line, first_token) + # This is tricky: escape backslashes so that `sub` doesn't interpret them # as backreferences. Regexp.escape does NOT do the right thing. replace_token = FINISH + last_token.gsub(/\\/, '\&\&') diff_arr[index+1].sub!(/#{Regexp.escape(last_token)}$/, replace_token) diff_arr[index+2].sub!(/#{Regexp.escape(last_token)}$/, replace_token) end + diff_arr end + def find_first_token(first_line, second_line) + max_length = [first_line.size, second_line.size].max + first_the_same_symbols = 0 + + (0..max_length + 1).each do |i| + first_the_same_symbols = i - 1 + + if first_line[i] != second_line[i] && i > 0 + break + end + end + + first_line[0..first_the_same_symbols][1..-1] + end + + def find_last_token(first_line, second_line, first_token) + max_length = [first_line.size, second_line.size].max + last_the_same_symbols = 0 + + (1..max_length + 1).each do |i| + last_the_same_symbols = -i + shortest_line = second_line.size > first_line.size ? first_line : second_line + + if (first_line[-i] != second_line[-i]) || "#{first_token}#{START}".size == shortest_line[1..-i].size + break + end + end + + last_the_same_symbols += 1 + first_line[last_the_same_symbols..-1] + end + def _indexes_of_changed_lines(diff_arr) chain_of_first_symbols = "" diff_arr.each_with_index do |line, i| |