X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=classes%2Fplflagset.php;h=c6c8d41f93b123407edf5a4545f95c60c2c6d9fc;hb=ac6f41acd95a154ff0893f5e239760e026eb9d2a;hp=b5f30d93cfc350fbb9ad59d4eccd5f43b044f9d2;hpb=988a0ceddebb96949ca74e62129d9b3dbe2450c3;p=platal.git

diff --git a/classes/plflagset.php b/classes/plflagset.php
index b5f30d9..c6c8d41 100644
--- a/classes/plflagset.php
+++ b/classes/plflagset.php
@@ -1,6 +1,6 @@
 <?php
 /*
- * Copyright (C) 2003-2010 Polytechnique.org
+ * Copyright (C) 2003-2011 Polytechnique.org
  * http://opensource.polytechnique.org/
  *
  * This program is free software; you can redistribute it and/or modify
@@ -21,7 +21,7 @@
 
 /** class for describing flags
  */
-class PlFlagSet extends PlAbstractIterable implements XDBFormat
+class PlFlagSet extends PlAbstractIterable implements XDBFormat, PlExportable
 {
     /** string that holds the PlFlagSet */
     private $values = array();
@@ -104,6 +104,13 @@ class PlFlagSet extends PlAbstractIterable implements XDBFormat
         }
     }
 
+    /** Remove all the flags.
+     */
+    public function clear()
+    {
+        $this->values = array();
+    }
+
 
     /** return the PlFlagSet
      */
@@ -121,6 +128,18 @@ class PlFlagSet extends PlAbstractIterable implements XDBFormat
         return $flags;
     }
 
+    /** export the PlFlagSet
+     */
+    public function export()
+    {
+        $array = array();
+        foreach ($this->values as $key=>$value) {
+            if ($value) {
+                $array[] = $key;
+            }
+        }
+        return $array;
+    }
 
     /** format for XDB
      */
@@ -134,13 +153,7 @@ class PlFlagSet extends PlAbstractIterable implements XDBFormat
      */
     public function iterate()
     {
-        $array = array();
-        foreach ($this->values as $key=>$value) {
-            if ($value) {
-                $array[] = $key;
-            }
-        }
-        return PlIteratorUtils::fromArray($array, 1, true);
+        return PlIteratorUtils::fromArray($this->export(), 1, true);
     }
 }