From c9d09bbe43f268c11cadc9846652ff33521edf6c Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 25 Jan 2006 15:10:12 -0500
Subject: [PATCH] Updated localizations

---
 program/include/main.inc |  138 ++++++++++++++++++++++++++++++++-------------
 1 files changed, 98 insertions(+), 40 deletions(-)

diff --git a/program/include/main.inc b/program/include/main.inc
index c64ac7d..99eaa91 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -20,6 +20,8 @@
 */
 
 require_once('lib/des.inc');
+require_once('lib/utf7.inc');
+require_once('lib/utf8.class.php');
 
 
 // register session and connect to server
@@ -81,7 +83,7 @@
   if (!$_SESSION['client_id'])
     {
     $_SESSION['client_id'] = $sess_id;
-    $_SESSION['user_lang'] = substr($CONFIG['locale_string'], 0, 2);
+    $_SESSION['user_lang'] = rcube_language_prop($CONFIG['locale_string']);
     $_SESSION['auth_time'] = mktime();
     $_SESSION['auth'] = rcmail_auth_hash($sess_id, $_SESSION['auth_time']);
     unset($GLOBALS['_auth']);
@@ -89,7 +91,7 @@
 
   // set session vars global
   $sess_auth = $_SESSION['auth'];
-  $sess_user_lang = $_SESSION['user_lang'];
+  $sess_user_lang = rcube_language_prop($_SESSION['user_lang']);
 
 
   // overwrite config with user preferences
@@ -200,6 +202,9 @@
     $IMAP->close();
     $IMAP->write_cache();
     }
+    
+  // before closing the database connection, write session data
+  session_write_close();
   }
 
 
@@ -244,13 +249,48 @@
   
   return $table;
   }
-  
+
+
+// check the given string and returns language properties
+function rcube_language_prop($lang, $prop='lang')
+  {
+  global $INSTLL_PATH;
+  static $rcube_languages, $rcube_language_aliases, $rcube_charsets;
+
+  if (empty($rcube_languages))
+    @include($INSTLL_PATH.'program/localization/index.inc');
+    
+  // check if we have an alias for that language
+  if (!isset($rcube_languages[$lang]) && isset($rcube_language_aliases[$lang]))
+    $lang = $rcube_language_aliases[$lang];
+    
+  // try the first two chars
+  if (!isset($rcube_languages[$lang]) && strlen($lang>2))
+    {
+    $lang = substr($lang, 0, 2);
+    $lang = rcube_language_prop($lang);
+    }
+
+  if (!isset($rcube_languages[$lang]))
+    $lang = 'en_US';
+
+  // language has special charset configured
+  if (isset($rcube_charsets[$lang]))
+    $charset = $rcube_charsets[$lang];
+  else
+    $charset = 'UTF-8';    
+
+  if ($prop=='charset')
+    return $charset;
+  else
+    return $lang;
+  }
   
 
 // init output object for GUI and add common scripts
 function load_gui()
   {
-  global $CONFIG, $OUTPUT, $COMM_PATH, $JS_OBJECT_NAME, $CHARSET, $sess_user_lang;
+  global $CONFIG, $OUTPUT, $COMM_PATH, $JS_OBJECT_NAME, $sess_user_lang;
 
   // init output page
   $OUTPUT = new rcube_html_page();
@@ -268,37 +308,20 @@
 
   // set user-selected charset
   if (!empty($CONFIG['charset']))
-    {
     $OUTPUT->set_charset($CONFIG['charset']);
-    $CHARSET = $CONFIG['charset'];
-    }
   else
     rcmail_set_locale($sess_user_lang);
-  
+
   // add some basic label to client
   rcube_add_label('loading');
-  }  
+  }
 
 
 // set localization charset based on the given language
 function rcmail_set_locale($lang)
   {
-  global $OUTPUT, $INSTLL_PATH, $CHARSET;
-  static $rcube_charsets;
-
-  if (!$rcube_charsets)
-    @include($INSTLL_PATH.'program/localization/index.inc');
-
-  if (isset($rcube_charsets[$lang]))
-    {
-    $OUTPUT->set_charset($rcube_charsets[$lang]);
-    $CHARSET = $rcube_charsets[$lang];
-    }
-  else
-    {
-    $OUTPUT->set_charset('ISO-8859-1');
-    $CHARSET = 'ISO-8859-1';
-    }
+  global $OUTPUT;
+  $OUTPUT->set_charset(rcube_language_prop($lang, 'charset'));
   }
 
 
@@ -607,7 +630,7 @@
     }
 
   // send response code
-  print $js_code;
+  print rcube_charset_convert($js_code, 'UTF-8', $GLOBALS['CHARSET']);
 
   if ($flush)  // flush the output buffer
     flush();
@@ -675,10 +698,53 @@
 
 
 
+// convert a string from one charset to another
+// this function is not complete and not tested well
+function rcube_charset_convert($str, $from, $to=NULL)
+  {
+  $from = strtoupper($from);
+  $to = $to==NULL ? strtoupper($GLOBALS['CHARSET']) : strtoupper($to);
+  
+  if ($from==$to)
+    return $str;
+    
+  // convert charset using iconv module  
+  if (function_exists('iconv') && $from!='UTF-7' && $to!='UTF-7') {
+    return iconv($from, $to, $str);
+    }
+    
+  // convert string to UTF-8
+  if ($from=='UTF-7')
+    $str = rcube_charset_convert(UTF7DecodeString($str), 'ISO-8859-1');
+  else if ($from=='ISO-8859-1' && function_exists('utf8_encode'))
+    $str = utf8_encode($str);
+  else if ($from!='UTF-8')
+    {
+    $conv = new utf8($from);
+    $str = $conv->strToUtf8($str);
+    }
+
+  // encode string for output
+  if ($to=='UTF-7')
+    return UTF7EncodeString($str);
+  else if ($to=='ISO-8859-1' && function_exists('utf8_decode'))
+    return utf8_decode($str);
+  else if ($to!='UTF-8')
+    {
+    $conv = new utf8($to);    
+    return $conv->utf8ToStr($str);
+    }
+
+  // return UTF-8 string
+  return $str;
+  }
+
+
+
 // replace specials characters to a specific encoding type
 function rep_specialchars_output($str, $enctype='', $mode='', $newlines=TRUE)
   {
-  global $OUTPUT_TYPE, $CHARSET;
+  global $OUTPUT_TYPE, $OUTPUT;
   static $html_encode_arr, $js_rep_table, $rtf_rep_table, $xml_rep_table;
 
   if (!$enctype)
@@ -687,7 +753,6 @@
   // convert nbsps back to normal spaces if not html
   if ($enctype!='html')
     $str = str_replace(chr(160), ' ', $str);
-
 
   // encode for plaintext
   if ($enctype=='text')
@@ -698,14 +763,7 @@
     {
     if (!$html_encode_arr)
       {
-      if ($CHARSET=='ISO-8859-1')
-        {
-        $html_encode_arr = get_html_translation_table(HTML_ENTITIES);
-        $html_encode_arr[chr(128)] = '&euro;';
-        }
-      else
-        $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);
-        
+      $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS);        
       unset($html_encode_arr['?']);
       unset($html_encode_arr['&']);
       }
@@ -724,7 +782,7 @@
       $str = strip_tags($str);
       
     $out = strtr($str, $encode_arr);
-
+      
     return $newlines ? nl2br($out) : $out;
     }
 
@@ -744,7 +802,7 @@
       $rtf_rep_table[Chr($c)] = "\\'$hex";
       $xml_rep_table[Chr($c)] = "&#$c;";
       
-      if ($CHARSET=='ISO-8859-1')
+      if ($OUTPUT->get_charset()=='ISO-8859-1')
         $js_rep_table[Chr($c)] = sprintf("\u%s%s", str_repeat('0', 4-strlen($hex)), $hex);
       }
 
@@ -841,7 +899,7 @@
 
 function rcube_xml_command($command, $str_attrib, $a_attrib=NULL)
   {
-  global $IMAP, $CONFIG;
+  global $IMAP, $CONFIG, $OUTPUT;
   
   $attrib = array();
   $command = strtolower($command);
@@ -952,7 +1010,7 @@
         else if (isset($GLOBALS['PAGE_TITLE']))
           $title .= $GLOBALS['PAGE_TITLE'];
         else if ($task=='mail' && ($mbox_name = $IMAP->get_mailbox_name()))
-          $title .= UTF7DecodeString($mbox_name);
+          $title .= rcube_charset_convert($mbox_name, 'UTF-7', 'UTF-8');
         else
           $title .= $task;
           

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