comparison lib/redmine/helpers/diff.rb @ 909:cbb26bc654de redmine-1.3

Update to Redmine 1.3-stable branch (Redmine SVN rev 8964)
author Chris Cannam
date Fri, 24 Feb 2012 19:09:32 +0000
parents 051f544170fe
children 433d4f72a19b
comparison
equal deleted inserted replaced
908:c6c2cbd0afee 909:cbb26bc654de
3 # 3 #
4 # This program is free software; you can redistribute it and/or 4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License 5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2 6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version. 7 # of the License, or (at your option) any later version.
8 # 8 #
9 # This program is distributed in the hope that it will be useful, 9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details. 12 # GNU General Public License for more details.
13 # 13 #
14 # You should have received a copy of the GNU General Public License 14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software 15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 17
18 module Redmine 18 module Redmine
20 class Diff 20 class Diff
21 include ERB::Util 21 include ERB::Util
22 include ActionView::Helpers::TagHelper 22 include ActionView::Helpers::TagHelper
23 include ActionView::Helpers::TextHelper 23 include ActionView::Helpers::TextHelper
24 attr_reader :diff, :words 24 attr_reader :diff, :words
25 25
26 def initialize(content_to, content_from) 26 def initialize(content_to, content_from)
27 @words = content_to.to_s.split(/(\s+)/) 27 @words = content_to.to_s.split(/(\s+)/)
28 @words = @words.select {|word| word != ' '} 28 @words = @words.select {|word| word != ' '}
29 words_from = content_from.to_s.split(/(\s+)/) 29 words_from = content_from.to_s.split(/(\s+)/)
30 words_from = words_from.select {|word| word != ' '} 30 words_from = words_from.select {|word| word != ' '}
31 @diff = words_from.diff @words 31 @diff = words_from.diff @words
32 end 32 end
33 33
34 def to_html 34 def to_html
35 words = self.words.collect{|word| h(word)} 35 words = self.words.collect{|word| h(word)}
36 words_add = 0 36 words_add = 0
37 words_del = 0 37 words_del = 0
38 dels = 0 38 dels = 0
39 del_off = 0 39 del_off = 0
40 diff.diffs.each do |diff| 40 diff.diffs.each do |diff|
41 add_at = nil 41 add_at = nil
42 add_to = nil 42 add_to = nil
43 del_at = nil 43 del_at = nil
44 deleted = "" 44 deleted = ""
45 diff.each do |change| 45 diff.each do |change|
46 pos = change[1] 46 pos = change[1]
47 if change[0] == "+" 47 if change[0] == "+"
48 add_at = pos + dels unless add_at 48 add_at = pos + dels unless add_at
49 add_to = pos + dels 49 add_to = pos + dels
63 dels += 1 63 dels += 1
64 del_off += words_del 64 del_off += words_del
65 words_del = 0 65 words_del = 0
66 end 66 end
67 end 67 end
68 words.join(' ') 68 words.join(' ').html_safe
69 end 69 end
70 end 70 end
71 end 71 end
72 end 72 end