From be9aacaa5296dfca63fb3a01c2dc52538d1546aa Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Sat, 17 Nov 2012 12:31:31 -0500
Subject: [PATCH] Bring back lost localization for the about page

---
 program/include/rcube_string_replacer.php |   63 +++++++++++++++++++++----------
 1 files changed, 42 insertions(+), 21 deletions(-)

diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index e0a7364..9af6b33 100644
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -5,8 +5,11 @@
  | program/include/rcube_string_replacer.php                             |
  |                                                                       |
  | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2009, Roundcube Dev. - Switzerland                      |
- | Licensed under the GNU GPL                                            |
+ | Copyright (C) 2009, The Roundcube Dev Team                            |
+ |                                                                       |
+ | Licensed under the GNU General Public License version 3 or            |
+ | any later version with exceptions for skins & plugins.                |
+ | See the README file for a full license statement.                     |
  |                                                                       |
  | PURPOSE:                                                              |
  |   Handle string replacements based on preg_replace_callback           |
@@ -14,16 +17,14 @@
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
-
- $Id$
-
 */
 
 
 /**
  * Helper class for string replacements based on preg_replace_callback
  *
- * @package Core
+ * @package    Framework
+ * @subpackage Utils
  */
 class rcube_string_replacer
 {
@@ -36,15 +37,17 @@
   function __construct()
   {
     // Simplified domain expression for UTF8 characters handling
-    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.[a-z]{2,5}';
-    $url = '[a-z0-9%=#@+?.:;&\\/_~\\[\\]-]+';
+    // Support unicode/punycode in top-level domain part
+    $utf_domain = '[^?&@"\'\\/()\s\r\t\n]+\\.?([^\\x00-\\x2f\\x3b-\\x40\\x5b-\\x60\\x7b-\\x7f]{2,}|xn--[a-zA-Z0-9]{2,})';
+    $url1 = '.:;,';
+    $url2 = 'a-zA-Z0-9%=#$@+?!&\\/_~\\[\\]{}\*-';
 
-    $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)($utf_domain($url)?)/i";
+    $this->link_pattern = "/([\w]+:\/\/|\W[Ww][Ww][Ww]\.|^[Ww][Ww][Ww]\.)($utf_domain([$url1]?[$url2]+)*)/";
     $this->mailto_pattern = "/("
         ."[-\w!\#\$%&\'*+~\/^`|{}=]+(?:\.[-\w!\#\$%&\'*+~\/^`|{}=]+)*"  // local-part
         ."@$utf_domain"                                                 // domain-part
-        ."(\?$url)?"                                                    // e.g. ?subject=test...
-        .")/i";
+        ."(\?[$url1$url2]+)?"                                           // e.g. ?subject=test...
+        .")/";
   }
 
   /**
@@ -79,20 +82,22 @@
     $i = -1;
     $scheme = strtolower($matches[1]);
 
-    if (preg_match('!^(http|ftp|file)s?://!', $scheme)) {
+    if (preg_match('!^(http|ftp|file)s?://!i', $scheme)) {
       $url = $matches[1] . $matches[2];
     }
-    else if (preg_match('/^(\W)www\.$/', $matches[1], $m)) {
-      $url        = 'www.' . $matches[2];
+    else if (preg_match('/^(\W*)(www\.)$/i', $matches[1], $m)) {
+      $url        = $m[2] . $matches[2];
       $url_prefix = 'http://';
       $prefix     = $m[1];
     }
 
-    $suffix = $this->parse_url_brackets($url);
-    $i = $this->add($prefix . html::a(array(
-      'href' => $url_prefix . $url,
-      'target' => '_blank'
-      ), Q($url)) . $suffix);
+    if ($url) {
+      $suffix = $this->parse_url_brackets($url);
+      $i = $this->add($prefix . html::a(array(
+          'href' => $url_prefix . $url,
+          'target' => '_blank'
+        ), rcmail::Q($url)) . $suffix);
+    }
 
     // Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
     return $i >= 0 ? $this->get_replacement($i) : $matches[0];
@@ -111,8 +116,8 @@
 
     $i = $this->add(html::a(array(
         'href' => 'mailto:' . $href,
-        'onclick' => "return ".JS_OBJECT_NAME.".command('compose','".JQ($href)."',this)",
-      ), Q($href)) . $suffix);
+        'onclick' => "return ".rcmail::JS_OBJECT_NAME.".command('compose','".rcmail::JQ($href)."',this)",
+      ), rcmail::Q($href)) . $suffix);
 
     return $i >= 0 ? $this->get_replacement($i) : '';
   }
@@ -130,6 +135,22 @@
   }
 
   /**
+   * Replace all defined (link|mailto) patterns with replacement string
+   *
+   * @param string $str Text
+   *
+   * @return string Text
+   */
+  public function replace($str)
+  {
+    // search for patterns like links and e-mail addresses
+    $str = preg_replace_callback($this->link_pattern, array($this, 'link_callback'), $str);
+    $str = preg_replace_callback($this->mailto_pattern, array($this, 'mailto_callback'), $str);
+
+    return $str;
+  }
+
+  /**
    * Replace substituted strings with original values
    */
   public function resolve($str)

--
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