From dcba9f18e6f3a19af85bb66843eb97107805bb75 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Sun, 19 Jul 2009 14:23:15 +0000
Subject: [PATCH] Allow line breaks in wiki table cells (#2346).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2824 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redcloth3.rb                              |  9 +++-
 .../wiki_formatting/textile/formatter.rb      |  2 +-
 test/unit/helpers/application_helper_test.rb  | 41 ++++++++++++++++++-
 3 files changed, 48 insertions(+), 4 deletions(-)

diff --git a/lib/redcloth3.rb b/lib/redcloth3.rb
index a4d33f804..e99ccdf77 100644
--- a/lib/redcloth3.rb
+++ b/lib/redcloth3.rb
@@ -784,6 +784,7 @@ class RedCloth3 < String
     end
 
     LINK_RE = /
+            (
             ([\s\[{(]|[#{PUNCT}])?     # $pre
             "                          # start
             (#{C})                     # $atts
@@ -797,13 +798,16 @@ class RedCloth3 < String
             )               
             (\/)?                      # $slash
             ([^\w\=\/;\(\)]*?)         # $post
+            )
             (?=<|\s|$)
         /x 
 #"
     def inline_textile_link( text ) 
         text.gsub!( LINK_RE ) do |m|
-            pre,atts,text,title,url,proto,slash,post = $~[1..8]
-
+          all,pre,atts,text,title,url,proto,slash,post = $~[1..9]
+          if text.include?('<br />')
+            all
+          else
             url, url_title = check_refs( url )
             title ||= url_title
             
@@ -821,6 +825,7 @@ class RedCloth3 < String
             external = (url =~ /^https?:\/\//) ? ' class="external"' : ''
             
             "#{ pre }<a#{ atts }#{ external }>#{ text }</a>#{ post }"
+          end
         end
     end
 
diff --git a/lib/redmine/wiki_formatting/textile/formatter.rb b/lib/redmine/wiki_formatting/textile/formatter.rb
index 67e3579df..7e20c7bfc 100644
--- a/lib/redmine/wiki_formatting/textile/formatter.rb
+++ b/lib/redmine/wiki_formatting/textile/formatter.rb
@@ -44,7 +44,7 @@ module Redmine
         # Patch for RedCloth.  Fixed in RedCloth r128 but _why hasn't released it yet.
         # <a href="http://code.whytheluckystiff.net/redcloth/changeset/128">http://code.whytheluckystiff.net/redcloth/changeset/128</a>
         def hard_break( text ) 
-          text.gsub!( /(.)\n(?!\n|\Z|>| *(>? *[#*=]+(\s|$)|[{|]))/, "\\1<br />\n" ) if hard_breaks 
+          text.gsub!( /(.)\n(?!\n|\Z|>| *([#*=]+(\s|$)|[{|]))/, "\\1<br />" ) if hard_breaks
         end
         
         # Patch to add code highlighting support to RedCloth
diff --git a/test/unit/helpers/application_helper_test.rb b/test/unit/helpers/application_helper_test.rb
index 4d7719567..2dc506702 100644
--- a/test/unit/helpers/application_helper_test.rb
+++ b/test/unit/helpers/application_helper_test.rb
@@ -109,7 +109,7 @@ class ApplicationHelperTest < HelperTestCase
       '"link (Link title with "double-quotes")":http://foo.bar' => '<a href="http://foo.bar" title="Link title with &quot;double-quotes&quot;" class="external">link</a>',
       "This is not a \"Link\":\n\nAnother paragraph" => "This is not a \"Link\":</p>\n\n\n\t<p>Another paragraph",
       # no multiline link text
-      "This is a double quote \"on the first line\nand another on a second line\":test" => "This is a double quote \"on the first line<br />\nand another on a second line\":test",
+      "This is a double quote \"on the first line\nand another on a second line\":test" => "This is a double quote \"on the first line<br />and another on a second line\":test",
       # mailto link
       "\"system administrator\":mailto:sysadmin@example.com?subject=redmine%20permissions" => "<a href=\"mailto:sysadmin@example.com?subject=redmine%20permissions\">system administrator</a>",
       # two exclamation marks
@@ -396,6 +396,45 @@ EXPECTED
     assert_equal expected.gsub(%r{\s+}, ''), textilizable(raw).gsub(%r{\s+}, '')
   end
   
+  def test_table_with_line_breaks
+    raw = <<-RAW
+This is a table with line breaks:
+
+|cell11
+continued|cell12||
+|-cell21-||cell23
+cell23 line2
+cell23 *line3*|
+|cell31|cell32
+cell32 line2|cell33|
+
+RAW
+
+    expected = <<-EXPECTED
+<p>This is a table with line breaks:</p>
+
+<table>
+  <tr>
+    <td>cell11<br />continued</td>
+    <td>cell12</td>
+    <td></td>
+  </tr>
+  <tr>
+    <td><del>cell21</del></td>
+    <td></td>
+    <td>cell23<br/>cell23 line2<br/>cell23 <strong>line3</strong></td>
+  </tr>
+  <tr>
+    <td>cell31</td>
+    <td>cell32<br/>cell32 line2</td>
+    <td>cell33</td>
+  </tr>
+</table>
+EXPECTED
+
+    assert_equal expected.gsub(%r{\s+}, ''), textilizable(raw).gsub(%r{\s+}, '')
+  end
+  
   def test_default_formatter
     Setting.text_formatting = 'unknown'
     text = 'a *link*: http://www.example.net/'