line_old = 1
line_new = 1
type = nil
-
- lines_arr = diff_arr
+
+ lines_arr = inline_diff diff_arr
+ #lines_arr = diff_arr
lines_arr.each do |line|
next if line.match(/^\-\-\- \/dev\/null/)
next if line.match(/^\+\+\+ \/dev\/null/)
full_line = html_escape(line.gsub(/\n/, ''))
+ full_line.gsub!("#!idiff-start!#", "<span class='idiff'>")
+ full_line.gsub!("#!idiff-finish!#", "</span>")
+
if line.match(/^@@ -/)
type = "match"
nil
end
end
+
+ def inline_diff diff_arr
+ chain_of_first_symbols = ""
+ diff_arr.each_with_index do |line, i|
+ chain_of_first_symbols += line[0]
+ end
+ chain_of_first_symbols.gsub!(/[^\-\+]/, "#")
+
+ offset = 0
+ indexes = []
+ while index = chain_of_first_symbols.index("#-+#", offset)
+ indexes << index
+ offset = index + 1
+ end
+
+ indexes.each do |index|
+ first_line = diff_arr[index+1]
+ second_line = diff_arr[index+2]
+ 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_token = first_line[0..first_the_same_symbols][1..-1]
+
+ diff_arr[index+1].sub!(first_token, first_token + "#!idiff-start!#")
+ diff_arr[index+2].sub!(first_token, first_token + "#!idiff-start!#")
+
+ last_the_same_symbols = 0
+ (1..max_length + 1).each do |i|
+ last_the_same_symbols = -i
+ if first_line[-i] != second_line[-i]
+ break
+ end
+ end
+ last_the_same_symbols += 1
+ last_token = first_line[last_the_same_symbols..-1]
+
+ diff_arr[index+1].sub!(/#{last_token}$/, "#!idiff-finish!#" + last_token)
+ diff_arr[index+2].sub!(/#{last_token}$/, "#!idiff-finish!#" + last_token)
+ end
+ diff_arr
+ end
end