- implemented php side of plural translation

- using it to generate labels dynamically for the expire options
(deprecating the [expire_labels] configuration).
- added translation of the human readable data sizes to support the
french octet
- fixed IEC label for kibibytes

lib/filter.php

@@ -33,7 +33,36 @@ class filter
     }
 
     /**
-     * format a given number of bytes
+     * format a given time string into a human readable label (localized)
+     *
+     * accepts times in the format "[integer][time unit]"
+     *
+     * @access public
+     * @static
+     * @param  string $time
+     * @throws Exception
+     * @return string
+     */
+    public static function time_humanreadable($time)
+    {
+        if (preg_match('/^(\d+) *(\w+)$/', $time, $matches) !== 1) {
+            throw new Exception("Error parsing time format '$time'", 30);
+        }
+        switch ($matches[2]) {
+            case 'sec':
+                $unit = 'second';
+                break;
+            case 'min':
+                $unit = 'minute';
+                break;
+            default:
+                $unit = rtrim($matches[2], 's');
+        }
+        return i18n::_(array('%d ' . $unit, '%d ' . $unit . 's'), (int) $matches[1]);
+    }
+
+    /**
+     * format a given number of bytes in IEC 80000-13:2008 notation (localized)
      *
      * @access public
      * @static
@@ -42,13 +71,13 @@ class filter
      */
     public static function size_humanreadable($size)
     {
-        $iec = array('B', 'kiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB');
+        $iec = array('B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB');
         $i = 0;
         while ( ( $size / 1024 ) >= 1 ) {
                 $size = $size / 1024;
                 $i++;
         }
-        return number_format($size, ($i ? 2 : 0), '.', ' ') . ' ' . $iec[$i];
+        return number_format($size, ($i ? 2 : 0), '.', ' ') . ' ' . i18n::_($iec[$i]);
     }
 
     /**

lib/i18n.php

@@ -17,14 +17,23 @@
  */
 class i18n
 {
+    /**
+     * language
+     *
+     * @access protected
+     * @static
+     * @var    string
+     */
+    protected static $_language = 'en';
+
     /**
      * translation cache
      *
-     * @access private
+     * @access protected
      * @static
      * @var    array
      */
-    private static $_translations = array();
+    protected static $_translations = array();
 
     /**
      * translate a string, alias for translate()
@@ -53,12 +62,30 @@ class i18n
     {
         if (empty($messageId)) return $messageId;
         if (count(self::$_translations) === 0) self::loadTranslations();
+        $messages = $messageId;
+        if (is_array($messageId))
+        {
+            $messageId = count($messageId) > 1 ? $messageId[1] : $messageId[0];
+        }
         if (!array_key_exists($messageId, self::$_translations))
         {
-            self::$_translations[$messageId] = $messageId;
+            self::$_translations[$messageId] = $messages;
         }
         $args = func_get_args();
-        $args[0] = self::$_translations[$messageId];
+        if (is_array(self::$_translations[$messageId]))
+        {
+            $number = (int) $args[1];
+            $key = self::_getPluralForm($number);
+            $max = count(self::$_translations[$messageId]) - 1;
+            if ($key > $max) $key = $max;
+
+            $args[0] = self::$_translations[$messageId][$key];
+            $args[1] = $number;
+        }
+        else
+        {
+            $args[0] = self::$_translations[$messageId];
+        }
         return call_user_func_array('sprintf', $args);
     }
 
@@ -91,6 +118,7 @@ class i18n
         // load translations
         if ($match != 'en')
         {
+            self::$_language = $match;
             self::$_translations = json_decode(
                 file_get_contents($path . DIRECTORY_SEPARATOR . $match . '.json'),
                 true
@@ -137,6 +165,27 @@ class i18n
         return $languages;
     }
 
+    /**
+     * determines the plural form to use based on current language and given number
+     *
+     * From: http://localization-guide.readthedocs.org/en/latest/l10n/pluralforms.html
+     *
+     * @param int $n
+     * @return int
+     */
+    protected static function _getPluralForm($n)
+    {
+        switch (self::$_language) {
+            case 'fr':
+                return ($n > 1 ? 1 : 0);
+            case 'pl':
+                return ($n == 1 ? 0 : $n%10 >= 2 && $n %10 <=4 && ($n%100 < 10 || $n%100 >= 20) ? 1 : 2);
+            // en, de
+            default:
+                return ($n != 1 ? 1 : 0);
+        }
+    }
+
     /**
      * compares two language preference arrays and returns the preferred match
      *

lib/zerobin.php

@@ -579,12 +579,8 @@ class zerobin
 
         // label all the expiration options
         $expire = array();
-        foreach ($this->_conf['expire_options'] as $key => $value) {
-            $expire[$key] = i18n::_(
-                array_key_exists($key, $this->_conf['expire_labels']) ?
-                $this->_conf['expire_labels'][$key] :
-                $key
-            );
+        foreach ($this->_conf['expire_options'] as $time => $seconds) {
+            $expire[$time] = ($seconds == 0) ? i18n::_(ucfirst($time)): filter::time_humanreadable($time);
         }
 
         $page = new RainTPL;