Changeset 1579 for trunk/gregarius/cls/l10n.php

Timestamp:

09/14/06 10:19:14 (2 years ago)

Author:

mbonetti

Message:

locale negotiation

Files:

• trunk/gregarius/cls/l10n.php (modified) (4 diffs)

trunk/gregarius/cls/l10n.php

@@ -28 +28 @@
 rss_require('extlib/l10n/streams.php');
 rss_require('extlib/l10n/gettext.php');
-
+define('RSS_LOCALE_COOKIE','rss_preferred_locale');
 class RSSl10n {
     
@@ -36 +36 @@
     
     function RSSl10n($locale) {
-        $locale = preg_replace('#[^a-zA-Z_]#','',$locale);
-        $this -> locale = $locale;
-        if (function_exists('version_compare') && version_compare("4.3.0",PHP_VERSION, "<=") && preg_match('#([a-z]{2})_([A-Z]{2})#',$locale,$m)) {
+        $this -> locale = preg_replace('#[^a-zA-Z_]#','',$this -> __detectUserLang());
+        if (function_exists('version_compare') && version_compare("4.3.0",PHP_VERSION, "<=") && preg_match('#([a-z]{2})_([A-Z]{2})#',$this -> locale,$m)) {
             $locales=array(
                 $m[0].'UTF-8',
@@ -49 +48 @@
             setlocale(LC_ALL, $locales);    
         } else {
-            setlocale(LC_ALL, $locale);
+            setlocale(LC_ALL, $this -> locale);
         }
     
-        $path = GREGARIUS_HOME .'/intl/' . $locale . '/LC_MESSAGES/messages.mo';
+        $path = GREGARIUS_HOME .'/intl/' . $this -> locale . '/LC_MESSAGES/messages.mo';
         $streamer = new FileReader($path);
         $this -> l10n = new gettext_reader($streamer);
@@ -66 +65 @@
         return $ret;
     }
+    
+    function getLocale() {
+        return $this -> locale;
+    }
+    /**
+     * Detect users preferred language. Losely based on http://grep.be/data/accept-to-gettext.inc
+     */
+    function __detectUserLang() {
+       if (isset($_REQUEST['lang']) && preg_match('#^[a-z]{2}_[A-Z]{2}$#',$_REQUEST['lang']) && file_exists(GREGARIUS_HOME .'intl/'.$_REQUEST['lang'])) {
+            return  $_REQUEST['lang'];
+        } elseif (isset($_COOKIE[RSS_LOCALE_COOKIE])) {
+            return trim($_COOKIE[RSS_LOCALE_COOKIE]);
+       } elseif (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+            $alparts=@preg_split("/,/",$_SERVER['HTTP_ACCEPT_LANGUAGE']);
+            foreach($alparts as $part) {
+                $part=trim($part);
+                if(preg_match("/;/", $part)) {
+                    $lang=@preg_split("/;/",$part);
+                    $ll = $lang[0];
+                } else {
+                    $ll = $part;
+                }
+
+                if (preg_match('#^([a-z]{2})[\-_]?([a-z]{2})?$#i',$ll,$pm)) {
+                    $ret =null;
+                    if (isset($pm[2])){
+                        if (file_exists(GREGARIUS_HOME .'intl/'.$pm[1] ."_".strtoupper($pm[2]))) {
+                            // xx-yy -> xx_YY
+                            $ret= $pm[1] ."_".strtoupper($pm[2]);
+                        } elseif(file_exists(GREGARIUS_HOME .'intl/'.$pm[1] ."_".strtoupper($pm[1]))) {
+                            // xx-yy -> xx_XX
+                            $ret= $pm[1] ."_".strtoupper($pm[1]);
+                        }
+                    } elseif(file_exists(GREGARIUS_HOME .'intl/'.$pm[1] ."_".strtoupper($pm[1]))) {
+                        // xx  -> xx_XX
+                        $ret= $pm[1] ."_".strtoupper($pm[1]);
+                    }
+                    if ($ret) {
+                        // remember the detected locale for a couple hours
+                        setcookie(RSS_LOCALE_COOKIE,$ret,time()+3600*6,getPath());
+                        return $ret;
+                    }
+                }
+                
+            }
+        }
+        // If everything fails, return the user selected language
+        return getConfig('rss.output.lang');
+    }
 }
+    
+
 
 function __($msg, $cnt = null) {